WO2014194451A1 - Procédé de programmation de données de liaison montante, station de base et équipement d'utilisateur - Google Patents

Procédé de programmation de données de liaison montante, station de base et équipement d'utilisateur Download PDF

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Publication number
WO2014194451A1
WO2014194451A1 PCT/CN2013/076630 CN2013076630W WO2014194451A1 WO 2014194451 A1 WO2014194451 A1 WO 2014194451A1 CN 2013076630 W CN2013076630 W CN 2013076630W WO 2014194451 A1 WO2014194451 A1 WO 2014194451A1
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WIPO (PCT)
Prior art keywords
data
mac pdu
uplink scheduling
information
sent
Prior art date
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Ceased
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PCT/CN2013/076630
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English (en)
Chinese (zh)
Inventor
鲁振伟
李龠
朱松
郭小龙
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to PCT/CN2013/076630 priority Critical patent/WO2014194451A1/fr
Priority to CN201380001471.8A priority patent/CN104488341B/zh
Publication of WO2014194451A1 publication Critical patent/WO2014194451A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows

Definitions

  • Uplink data scheduling method base station and user equipment
  • the present invention relates to the field of communications technologies, and in particular, to an uplink data scheduling method, a base station, and a user equipment. Background technique
  • an eNB evolved NodeB
  • UE User Equipment
  • a UE communicates with the data of the destination UE, and the two UEs communicate through a short-range wireless communication method (such as Bluetooth, WiFi, etc.), which can be called MUCC (Multi-UE Cosd Communication).
  • MUCC Multi-UE Cosd Communication
  • the UE with the best channel condition can be selected to transmit uplink and downlink data in a certain number of UEs, thereby achieving the effect of multi-user diversity.
  • the UE that serves as the forwarding UE may be referred to as a S-UE (Supporting UE), and the destination UE may be referred to as a B-UE (Beneficial UE).
  • the MUCC communication protocol stack is different from the traditional LTE (Long Term Evolution) protocol stack.
  • the MUCC protocol stack needs to add a composite layer to transmit data by short-range wireless communication.
  • the synthesis layer is added on the PDCP (Packet Data Convergence Protocol) layer or between the PDCP layer and the RLC (Radio Link Control) layer.
  • PDCP Packet Data Convergence Protocol
  • RLC Radio Link Control
  • the eNB may set a traffic offloading policy for the data in the two UEs according to the quality of the uplink channel, and the B-UE becomes the data to be sent and is offloaded to the S-UE for storage, and the S-UE requests the eNB to send the uplink data.
  • the eNB sends an uplink data grant to the S-UE according to the uplink data transmission request of the S-UE, the S-UE can transmit the data.
  • the uplink channel quality of the S-UE may have changed. The strategy may no longer be applicable, and the shunting strategy adjustment is not timely enough. Summary of the invention
  • the embodiment of the invention provides an uplink data scheduling method, a base station and a user equipment, so as to implement timely scheduling of uplink data in multi-UE composite communication.
  • the present invention provides an uplink data scheduling method, including:
  • the base station sends the uplink scheduling information to the supporting user equipment S-UE and the benefit user equipment B-UE, so that the B-UE generates the MAC PDU to be sent according to the uplink scheduling information, and obtains the upload data of the MAC PDU to be sent. the way;
  • the base station receives the MAC PDU sent by the S-UE, and the MAC PDU sent by the S-UE is short-range wireless at the S-UE.
  • the communication mode is obtained after receiving the MAC PDU sent by the B-UE.
  • the uplink scheduling information includes at least: data generation identifier information and data transmission prompt information.
  • the method further includes:
  • the base station After receiving the MAC PDU sent by the S-UE, the base station sends a negative information to the S-UE, so that the S-UE retransmits the MAC PDU according to the denied information; Receiving the MAC PDU resent by the S-UE.
  • the present invention provides an uplink data scheduling method, including:
  • the benefit user equipment B-UE receives uplink scheduling information
  • the B-UE sends the MAC PDU to the S-UE by short-range wireless communication, so that the S-UE will The MAC PDU is sent to the base station.
  • the uplink scheduling information includes at least: data generation identifier information and data transmission prompt information.
  • the generating, by the B-UE, the MAC PDU to be sent according to the uplink scheduling information includes:
  • the B-UE generates the MAC PDU to be sent according to the data generation identifier information, and the method for obtaining the upload data of the MAC PDU to be sent includes:
  • the upload data mode of the MAC PDU to be transmitted is confirmed according to the data transmission prompt information.
  • the receiving, by the B-UE, the uplink scheduling information includes:
  • the B-UE receives uplink scheduling information sent by the base station; or
  • the B-UE receives uplink scheduling information forwarded by the S-UE.
  • the uplink scheduling information further includes receiving identifier information, where the method further Includes:
  • the B-UE confirms whether to receive the uplink scheduling information sent by the base station according to the received identification information.
  • the determining, by the B-UE, whether the receiving the uplink scheduling information sent by the base station according to the received identification information includes:
  • the B-UE confirms whether the received identification information stored by itself includes the received identification information according to the received identification information.
  • the present invention provides an uplink data scheduling method, including:
  • the S-UE receives the uplink scheduling information
  • the S-UE receives a MAC PDU sent by the benefit user equipment B-UE by short-range wireless communication, where the MAC
  • the PDU is generated by the B-UE according to the uplink scheduling information
  • the S-UE sends the MAC-PDU to a base station.
  • the uplink scheduling information includes: data generation identifier information and data transmission prompt information.
  • the determining, by the S-UE, the method for uploading data according to the uplink scheduling information includes:
  • the S-UE Before the S-UE receives the MAC PDU sent by the benefit user equipment B-UE by using short-range wireless communication, the S-UE further includes:
  • the S-UE confirms that the received MAC PDU is a MAC PDU generated by the S-UE corresponding to the B-UE according to the data generation identifier information.
  • the method further includes:
  • the S-UE forwards the uplink scheduling information to the B-UE.
  • the uplink scheduling information further includes receiving identifier information, and the S-UE forwards the uplink scheduling to the B-UE Information includes:
  • the S-UE confirms whether to forward the uplink scheduling information to the B-UE according to the received identification information.
  • the present invention provides an uplink data scheduling method, including:
  • the base station sends uplink scheduling information to the first user equipment UE and the second UE, so that the first UE and/or the second UE generate a MAC PDU to be sent according to the uplink scheduling information.
  • the base station receives a MAC PDU that is jointly sent by the first UE and the second UE by using a MU-MIMO communication manner, where the MAC PDU is a short-range wireless communication manner between the first UE and the second UE. Obtained after the sharing; the MU-MIMO communication mode is determined by the first UE and the second UE searching for the uploaded data stored by the first UE according to the uplink scheduling information.
  • the uplink scheduling information includes at least: data generation identifier information and data transmission prompt information.
  • the method further includes:
  • the base station sends an acknowledgment message sent by the first UE and the second UE; or, after receiving the MAC PDU that is sent by the first UE and the second UE, the base station sends the first message to the first The UE and the second UE send the denial information, so that the first UE and/or the second UE retransmit the MAC PDU according to the denial information;
  • the present invention provides an uplink data scheduling method, including:
  • a user equipment UE receives uplink scheduling information
  • Determining, by the UE, the method for uploading data according to the uplink scheduling information to determine an upload data manner is a MU-MIMO communication mode
  • the one UE transmits a MAC PDU to the base station by using MU-MIMO communication.
  • the uplink scheduling information includes at least: data generation identifier information and data transmission prompt information.
  • the one UE is configured to generate, according to the uplink scheduling information, a MAC PDU to be sent, including:
  • the one UE generates at least one MAC PDU to be sent according to the data generation identifier information
  • Determining, by the UE, the manner of uploading data according to the uplink scheduling information, and determining the method for uploading data as the MU-MIMO communication mode includes:
  • the one UE obtains an upload data manner of the MAC PDU to be sent according to the data sending prompt information.
  • the method further includes:
  • the one UE receives the denial information, and the one UE retransmits the MAC PDU according to the denial information.
  • the present invention provides an uplink data scheduling method, including:
  • a user equipment UE receives uplink scheduling information
  • Determining, by the UE, the method for uploading data according to the uplink scheduling information to determine an upload data manner is a MU-MIMO communication mode
  • the one UE interacts with another UE by short-range wireless communication to enable the A UE acquires a MAC PDU of another UE, and after confirming the data transmission mode, performs communication with the base station;
  • the one UE transmits a MAC PDU to the base station by using MU-MIMO communication.
  • the uplink scheduling information includes at least: data generation identifier information and data transmission prompt information.
  • the determining, by the UE, that the UE does not generate the MAC PDU according to the uplink scheduling information includes:
  • Determining, by the UE, the manner of uploading data according to the uplink scheduling information, and determining the method for uploading data as the MU-MIMO communication mode includes:
  • the one UE obtains an upload data manner of the MAC PDU to be sent according to the data sending prompt information.
  • the method further includes:
  • the one UE receives the denial information, and the one UE retransmits the MAC PDU according to the denial information.
  • the present invention provides an uplink data scheduling method, including:
  • the one user equipment UE receives uplink scheduling information with another UE;
  • the one UE and another UE respectively generate, according to the uplink scheduling information, that need to be sent.
  • Determining, by the one UE and another UE, the method for uploading data according to the uplink scheduling information to determine an upload data manner is a MU-MIMO communication mode
  • the uplink scheduling information includes at least: data generation identifier information and data transmission prompt information.
  • the one UE and another UE separately generate a MAC that needs to be sent according to the uplink scheduling information.
  • the PDU includes:
  • the manner in which the one UE and the other UE find the upload data according to the uplink scheduling information to determine the upload data manner is the MU-MIMO communication mode, including:
  • the one UE and the other UE determine the upload data mode as the MU-MIMO communication mode according to the manner in which the data sending prompt information finds the uploaded data stored by itself.
  • the method further includes:
  • the one UE and the other UE receive the denial information, and the one UE and the other UE retransmit the MAC PDU according to the denial information.
  • the present invention provides a base station, including:
  • a sending unit configured to send the uplink scheduling information to the supporting user equipment S-UE and the benefit user equipment B-UE, so that the B-UE generates a MAC PDU to be sent according to the uplink scheduling information, and obtains a MAC that needs to be sent.
  • PDU upload data method
  • a receiving unit configured to receive, when the data is uploaded by the S-UE, a MAC PDU sent by the S-UE, where the S-UE sends a MAC PDU that is passed by the S-UE
  • the short-range wireless communication mode is obtained after receiving the MAC PDU sent by the B-UE, and the MAC PDU is generated according to the uplink scheduling information sent by the sending unit.
  • the uplink scheduling information sent by the sending unit includes at least data generating identifier information and data sending prompt information.
  • the sending unit is further configured to:
  • the receiving unit is further configured to receive the MAC PDU that is resent by the S-UE.
  • the present invention provides a user equipment, including:
  • a receiving unit configured to receive uplink scheduling information
  • a generating unit configured to generate, according to the uplink scheduling information received by the receiving unit, a MAC PDU to be sent, and obtain an uplink data manner of the MAC PDU to be sent;
  • a sending unit configured to send, by the generating unit, the uplink data manner to the S-UE by using a distance-to-branch wireless communication manner, so that the S-UE sends the MAC PDU to the base station.
  • the uplink scheduling information received by the receiving unit includes at least data generation identifier information and data transmission prompt information.
  • the generating unit includes:
  • Generating a subunit configured to generate, according to the data received by the receiving unit, identification information to generate a MAC PDU to be sent;
  • an acknowledgment subunit configured to confirm, according to the data sending prompt information received by the receiving unit, an upload data manner of the MAC PDU to be sent.
  • the receiving unit is specifically configured to:
  • the uplink scheduling information received by the receiving unit further includes receiving the identifier information
  • the user equipment further includes:
  • an acknowledgment unit configured to confirm, according to the received identification information received by the receiving unit, whether to receive the uplink scheduling information sent by the base station.
  • the determining unit is specifically configured to: confirm, according to the received identification information received by the receiving unit, the received identification information stored by the receiving unit Whether the receiving identification information is included in the middle.
  • the present invention provides a user equipment, including:
  • a receiving unit configured to receive uplink scheduling information
  • the uplink scheduling information received by the receiving unit includes at least data generation identifier information and data transmission prompt information.
  • the determining unit is specifically configured to determine, according to the data sending prompt information received by the receiving unit, an upload data manner, where Uploading data by uploading data through the S-UE;
  • the user equipment further includes:
  • an acknowledgment unit configured to generate, according to the data received by the receiving unit, the identifier information to confirm that the received MAC PDU is a MAC PDU generated by the S-UE corresponding to the B-UE.
  • the user equipment further includes:
  • a forwarding unit configured to forward, to the B-UE, the uplink scheduling information received by the receiving unit.
  • the uplink scheduling information received by the receiving unit further includes receiving the identifier information
  • the forwarding unit is specifically configured to confirm, according to the received identification information received by the receiving unit, whether the uplink scheduling information is forwarded to the B-UE.
  • the present invention provides a base station, including:
  • a sending unit configured to send uplink scheduling information to the first user equipment UE and the second UE, so that the first UE and/or the second UE generate a MAC PDU to be sent according to the uplink scheduling information
  • a receiving unit configured to receive a MAC PDU that is jointly sent by the first UE and the second UE by using a MU-MIMO communication manner, where the MAC PDU is short-range wireless in the first UE and the second UE Obtained after the communication mode is shared; the MU-MIMO communication mode is determined by the first UE and the second UE searching for the uploaded data stored by the first scheduling unit according to the uplink scheduling information sent by the sending unit, where The MAC PDU is generated according to the uplink scheduling information sent by the sending unit.
  • the uplink tone sent by the sending unit includes at least data generation identification information and data transmission prompt information.
  • the sending unit is further configured to:
  • the second UE After receiving the MAC PDU that is jointly sent by the first UE and the second UE, sending, to the first UE and the second UE, negative information, so that the first UE and/or the The second UE resends the MAC PDU according to the denied information;
  • the receiving unit is further configured to receive the MAC PDU that is resent by the first UE and/or the second UE.
  • the present invention provides a user equipment, including:
  • a receiving unit configured to receive uplink scheduling information
  • a generating unit configured to generate, according to the uplink scheduling information received by the receiving unit, a MAC PDU to be sent;
  • a determining unit configured to determine, according to the uplink scheduling information received by the receiving unit, the method for determining the uploaded data by using the uplink data to be the MU-MIMO communication mode;
  • a sending unit configured to send, by using short-range wireless communication, the MAC PDU generated by the generating unit to another UE, so that the another UE acquires the MAC PDU, and after confirming the data sending manner, communicating with the base station ;
  • the sending unit is configured to send a MAC PDU to the base station by using a MU-MIMO communication manner determined by the determining unit.
  • the uplink scheduling information received by the receiving unit includes at least: data generation identifier information and data transmission prompt information.
  • the generating unit is configured to generate, according to the data generated identification information received by the receiving unit, at least one that needs to be sent.
  • the determining unit is specifically configured to obtain, according to the data sending prompt information received by the receiving unit, an uplink data manner of the MAC PDU to be sent.
  • the receiving unit is further configured to receive the acknowledgment information
  • the sending unit is further configured to resend according to the denial information received by the receiving unit The MAC PDU.
  • the present invention provides a user equipment, including:
  • a receiving unit configured to receive uplink scheduling information
  • a confirming unit configured to confirm, according to the uplink scheduling information received by the receiving unit, that the MAC PDU is not generated by itself;
  • a determining unit configured to determine, according to the uplink scheduling information received by the receiving unit, the method for determining the uploaded data by using the uplink data to be the MU-MIMO communication mode;
  • a sending unit configured to perform, by using short-range wireless communication, to interact with another UE, so that the one UE acquires a MAC PDU of another UE, and after confirming the data transmission mode, communicating with the base station;
  • the sending unit is configured to send a MAC PDU to the base station by using a MU-MIMO communication manner determined by the determining unit.
  • the uplink scheduling information received by the receiving unit at least includes: data generation identifier information and data transmission prompt information.
  • the determining unit is specifically configured to: according to the data generated by the receiving unit, generate identification information, and confirm that the user is not a MAC PDU.
  • the determining unit is specifically configured to obtain, according to the data sending prompt information received by the receiving unit, an uplink data manner of the MAC PDU to be sent.
  • the receiving unit is further configured to receive the acknowledgment information
  • the sending unit is further configured to resend the MAC PDU according to the denial information received by the receiving unit.
  • the present invention provides a user equipment, including:
  • a receiving unit configured to receive uplink scheduling information
  • a generating unit configured to generate, according to the uplink scheduling information received by the receiving unit, a MAC PDU to be sent;
  • a determining unit configured to determine, according to the uplink scheduling information received by the receiving unit, the method for determining the uploaded data by using the uplink data to be the MU-MIMO communication mode;
  • a communication unit configured to interact with another UE by short-range wireless communication
  • the MAC PDU generated by the element
  • a sending unit configured to send the MAC PDU to the base station by using the MU-MIMO communication manner determined by the determining unit.
  • the uplink scheduling information received by the receiving unit at least includes: data generation identifier information and data transmission prompt information.
  • the generating unit is specifically configured to generate, according to the data generated by the receiving unit, identifier information to generate a MAC to be sent. PDU;
  • the determining unit is specifically configured to determine, according to the manner in which the data sending prompt information received by the receiving unit searches for the uploaded data stored by the receiving unit, that the uploading data mode is a MU-MIMO communication mode.
  • the receiving unit is further configured to receive the acknowledgment information
  • the sending unit is further configured to resend the MAC PDU according to the denial information received by the receiving unit.
  • the base station sends the uplink scheduling information, so that the UE can directly generate the data to be sent according to the uplink scheduling information.
  • Another UE forwards or cooperates to transmit data to the base station, and reduces the time interval between when the UE generates the data to be transmitted and when the data is transmitted to the base station by another UE, and the scheduling of the base station can adjust the change of the uplink channel status in time.
  • FIG. 1 is a schematic structural diagram of a MUCC system or a MU-MIMO system according to an embodiment of the present invention
  • FIG. 2 is a schematic flowchart of an embodiment of an uplink data scheduling method according to an embodiment of the present invention
  • FIG. 3 is a schematic diagram of an uplink data scheduling method according to an embodiment of the present invention
  • FIG. 4 is a schematic flowchart of another embodiment of an uplink data scheduling method according to an embodiment of the present invention
  • FIG. 5 is a schematic flowchart of another embodiment of an uplink data scheduling method according to an embodiment of the present invention
  • FIG. 6 is a schematic flowchart of another embodiment of an uplink data scheduling method according to an embodiment of the present invention
  • FIG. 1 is a schematic structural diagram of a MUCC system or a MU-MIMO system according to an embodiment of the present invention
  • FIG. 2 is a schematic flowchart of an embodiment of an uplink data scheduling method according to an embodiment of the present invention
  • FIG. 3 is a schematic diagram of
  • FIG. 8 is a schematic flowchart of another embodiment of an uplink data scheduling method according to an embodiment of the present invention
  • FIG. 9 is a schematic diagram of signaling interaction of another embodiment of an uplink data scheduling method according to an embodiment of the present invention
  • FIG. 11 is a schematic flowchart of another embodiment of an uplink data scheduling method according to an embodiment of the present invention
  • FIG. 12 is a schematic flowchart of another embodiment of an uplink data scheduling method according to an embodiment of the present invention
  • FIG. 14 is a schematic flowchart of another embodiment of an uplink data scheduling method according to an embodiment of the present invention
  • FIG. 14 is a schematic flowchart of another embodiment of an uplink data scheduling method according to an embodiment of the present invention
  • Schematic diagram of another embodiment of the uplink data scheduling method FIG.
  • FIG. 17 is a schematic flow according to another embodiment of uplink data scheduling method of the present invention
  • FIG. 18 is a schematic view of one embodiment of a base station according to embodiments of the present invention
  • FIG. 19 is a schematic diagram of an embodiment of a user equipment according to an embodiment of the present invention.
  • FIG. 20 is a schematic diagram of another embodiment of a user equipment according to an embodiment of the present invention.
  • 21 is a schematic diagram of another embodiment of a base station according to an embodiment of the present invention.
  • FIG. 22 is a schematic diagram of another embodiment of a user equipment according to an embodiment of the present invention.
  • FIG. 23 is a schematic diagram of another embodiment of a user equipment according to an embodiment of the present invention.
  • FIG. 24 is a schematic diagram of another embodiment of a user equipment according to an embodiment of the present invention.
  • 25 is a schematic structural diagram of a base station according to an embodiment of the present invention.
  • FIG. 26 is a schematic structural diagram of a user equipment according to an embodiment of the present invention. detailed description
  • the uplink data scheduling method and the base station in the embodiment of the present invention may be applied to an FDD LTE network, and the LTE (Long Term Evolution) network may include TDD (Time Division Duplexing) and FDD (Frequency Division Duplexing). Duplex) Two duplex modes, FDD-based LTE is FDD-LTE.
  • the uplink data scheduling method and the base station in the embodiments of the present invention may be applied to include, but are not limited to, a MUCC system and a MU-MIMO (Multi-User Multiple-Input Multiple-Output) system.
  • a MUCC system and a MU-MIMO (Multi-User Multiple-Input Multiple-Output) system.
  • MU-MIMO Multi-User Multiple-Input Multiple-Output
  • FIG. 1 it is a schematic structural diagram of a MUCC or MU-MIMO system, where the base station eNB 10 schedules two user equipments UE20 to send uplink data to the base station.
  • the two UEs can communicate by short-range wireless communication.
  • the two UEs have a composite communication relationship.
  • the UE that serves forwarding is the S-UE, and the destination UE is the B-UE.
  • both UEs can be used as B-UEs or as S-UEs of the other party, and the eNBs are in a synchronous state, that is, these UEs can be regarded as a large UE with multiple antennas, each of which The UE may use the same time-frequency resource to send uplink data, and each sub-UE needs to have the data to be sent before the sub-UE sends the uplink data.
  • the protocol stack needs to add a composite layer.
  • the main function of the composite layer on the B-UE is packet offloading and transmitting the data packet to the S-UE through short-range wireless communication; the main function of the synthesizing layer on the S-UE is to receive the B from short-range wireless communication.
  • Each data packet of the UE is mapped to a certain composite bearer on the S-UE according to the header information added on the S-UE synthesis layer for uplink data transmission.
  • a new protocol stack structure is proposed. The composite layer is moved down, and the composite layer is placed in the MAC (Medium Access Control) layer. When the composite layer is moved down to the MAC layer, the UE is now The short-range wireless communication method is a MAC PDU (Protocol Data Unit).
  • MAC PDU Network Data Unit
  • each UE-TTI Transmission Time Interval
  • each pair of UEs may jointly send a total of two MAC PDUs, that is, each pair of UEs respectively generates one MAC
  • the PDUs are co-located, or two MAC PDUs are generated by one UE and are co-located with another UE.
  • a UE uploads a MAC PDU by itself it is similar to the MUCC system. Only one MAC PDU can be generated in one TTI. A MAC PDU is sent. Specifically, the manner in which the UE uploads data is scheduled by the base station.
  • the problem that the uplink data offloading policy existing in the prior art is not adjusted in time is solved, and since the composite layer is moved down to the MAC layer, the MAC layer does not have a buffer buffer, and cannot The MAC PDU is stored, so the B-UE cannot first offload the data to the S-UE storage. For this reason, the following embodiments provide an uplink data scheduling method.
  • FIG. 2 is a flowchart of Embodiment 1 of an uplink data scheduling method in the embodiment of the present invention
  • this embodiment may be applied to a MUCC system.
  • the method is implemented in a base station, which may include the following steps:
  • Step 101 The base station sends the uplink scheduling information to the S-UE and the B-UE, so that the B-UE generates the MAC PDU to be sent according to the uplink scheduling information, and obtains the upload data mode of the MAC PDU to be sent.
  • the base station eNB already knows the composite relationship of each UE, and knows that the B-UE has data to transmit and the size of the data to be transmitted.
  • the UE knows the C-RNTI (Cellular Network Temporary Identifier) of the other party. Temporary identification).
  • the base station in each TTI can schedule the S-UE to forward data for the B-UE or directly transmit data to the base station by the B-UE.
  • C-RNTI Cellular Network Temporary Identifier
  • the uplink scheduling information sent by the base station may include at least data generation identifier information and data transmission prompt information.
  • the data generation identification information may indicate which UE generates the MAC PDU and the number of the generated MAC PDUs. Since the present embodiment is applied to the MUCC scenario, each UE-TTI can only generate one MAC PDU according to the data generation identification information, and only Can send a MAC PDU.
  • the data sending prompt information may indicate whether the uplink data is sent by the UE that generates the data or is coordinated by the S-UE. The process of the UE transmitting the uplink data to the base station is similar to the traditional uplink data direct transmission method.
  • the embodiment of the present invention focuses on the scheduling method for the B-UE to send the uplink data to the base station through the S-UE.
  • the uplink scheduling information may further include receiving identifier information, and the receiving identifier information may prompt which UE receives the uplink scheduling information.
  • the base station sends the uplink scheduling information to the S-UE and the B-UE, and the B-UE can be rooted.
  • the MAC PDU to be sent is generated according to the data generation identification information, and the upload data is obtained according to the data sending prompt information.
  • the upload data of the MAC PDU to be sent may be uploaded by the S-UE or directly uploaded.
  • Step 102 If the data is uploaded by the S-UE, the base station receives the MAC PDU sent by the S-UE, and the MAC PDU sent by the S-UE is sent by the S-UE by the short-range wireless communication. Obtained after the MAC PDU.
  • the MAC PDU needs to be generated and transmitted after the UE obtains the uplink scheduling information.
  • the base station eNB directly receives the data uploaded by the S-UE, and reduces the The interval between the generation of the MAC PDU by the B-UE and the transmission of data to the base station by the S-UE, and the scheduling of the base station can adjust the change of the uplink channel status in time.
  • Short-range wireless communication methods include, but are not limited to, Bluetooth, wifi (wireless fidelity, wireless fidelity).
  • the embodiment of the method can be applied to the MUCC system.
  • the method for the uplink scheduling information is sent by the base station, so that the UE can flexibly perform data uploading according to the uplink scheduling information, so as to implement the purpose of the base station flexibly scheduling the uplink data.
  • FIG. 3 it is a flowchart of Embodiment 2 of an uplink data scheduling method in an embodiment of the present invention, including:
  • Step 201 The base station sends the uplink scheduling information to the S-UE and the B-UE, so that the B-UE generates the MAC PDU to be sent according to the uplink scheduling information, and obtains the upload data mode of the MAC PDU to be sent.
  • Step 202 If the data is uploaded by the S-UE, the base station receives the MAC PDU sent by the S-UE, and the MAC PDU sent by the S-UE is sent by the S-UE through the short-range wireless communication manner. Obtained after the MAC PDU.
  • Step 203 After receiving the MAC PDU sent by the S-UE, the base station sends an acknowledgement message ACK (Acknowledgement) to the S-UE, or sends a negative acknowledgement message NACK (Negative Acknowledgement) to the S-UE, so that The S-UE resends the MAC PDU according to the denied information.
  • ACK Acknowledgement
  • NACK Negative Acknowledgement
  • the S-UE can send the received MAC PDU to the corresponding HARQ (Hybrid Automatic Repeat reQuest, hybrid).
  • HARQ Hybrid Automatic Repeat reQuest, hybrid
  • the process of automatically requesting a retransmission is performed. Therefore, when the base station feedback does not correctly receive the data sent by the S-UE, the S-UE can directly transmit the data that is not successfully transmitted.
  • Step 204 The base station receives the MAC PDU retransmitted by the S-UE.
  • Steps 201-202 are similar to steps 101-102, and are not described herein again.
  • the base station after receiving the MAC PDU sent by the S-UE, the base station further includes sending the acknowledgement information or the denial information to the S-UE according to the received MAC PDU, so that the S-UE is denied according to the method.
  • the information resends the MAC PDU, and the base station receives the MAC PDU retransmitted by the S-UE to ensure correct transmission of the uplink data.
  • FIG. 4 it is a flowchart of Embodiment 3 of the uplink data scheduling method in the embodiment of the present invention.
  • This embodiment can be applied to the MUCC system.
  • the method is implemented in the B-UE, and the method may include the following steps:
  • Step 301 The B-UE receives uplink scheduling information.
  • the uplink scheduling information received by the B-UE may include at least: data generation identification information and data transmission prompt information.
  • Step 302 The B-UE generates a MAC PDU to be sent according to the uplink scheduling information, and obtains an uplink data manner of the MAC PDU to be sent.
  • the B-UE may generate the MAC PDU to be sent according to the data generation identifier information; and confirm the upload data manner of the MAC PDU to be sent according to the data sending prompt information.
  • Step 303 If the data is uploaded by using the S-UE, the B-UE sends the MAC PDU to the S-UE by short-range wireless communication, so that the S-UE sends the MAC PDU to the base station.
  • the uplink scheduling information may further include receiving the identifier information, and the B-UE may receive the uplink scheduling information sent by the base station according to the received identifier information.
  • the B-UE receives the uplink scheduling information forwarded by the S-UE. Specifically, the B-UE confirms whether to receive the uplink scheduling information sent by the base station according to the received identification information. Further, the B-UE confirms whether the received identification information stored in the received identification information is included in the received identification information according to the received identification information.
  • the uplink scheduling information carries the identity information of the B-UE as the received identification information, and the S-UE and the B-UE receive the uplink scheduling information from the base station, that is, the B-UE receives the uplink scheduling information sent by the base station; Carrying the identity information of the S-UE as the receiving identification information, Then, the S-UE receives the uplink scheduling information from the base station, and forwards the information to the B-UE, that is, the B-UE receives the uplink scheduling information forwarded by the S-UE.
  • the embodiment of the method can be applied to the MUCC system, corresponding to the foregoing method embodiment 1-2, and the B-UE is used as the main body, and the base station sends the uplink scheduling information, and the UE can flexibly perform data uploading, so that the base station can flexibly schedule the uplink data. purpose.
  • FIG. 5 it is a flowchart of Embodiment 4 of the uplink data scheduling method in the embodiment of the present invention.
  • This embodiment can be applied to the MUCC system.
  • the method is implemented in the S-UE, and the method may include the following steps:
  • Step 401 The S-UE receives uplink scheduling information.
  • the uplink scheduling information received by the S-UE may include at least: data generation identifier information and data transmission prompt information.
  • Step 402 The S-UE determines an upload data mode according to the uplink scheduling information.
  • Step 403 If the data is uploaded by using the S-UE, the S-UE receives the MAC PDU sent by the B-UE of the benefit user equipment by using short-range wireless communication, and the MAC PDU is generated by the B-UE according to the uplink scheduling information.
  • the S-UE may determine, according to the data sending prompt information, the method for uploading data, determine the manner of uploading the MAC PDU to be sent by using the S-UE, and send the data by the S-UE through the short-range wireless communication.
  • the MAC PDU may further include: the S-UE confirms that the received MAC PDU is a MAC PDU generated by the S-UE corresponding to the B-UE according to the data generation identifier information.
  • Step 404 The S-UE sends the MAC-PDU to the base station.
  • the S-UE may further forward the uplink scheduling information to the B-UE.
  • the uplink scheduling information may further include receiving the identifier information, and the S-UE may confirm whether to forward the uplink scheduling information to the B-UE according to the received identifier information. For example, if the uplink scheduling information carries the identity information of the S-UE as the received identification information, the S-UE receives the uplink scheduling information from the base station, and the S-UE can confirm the uplink scheduling information to the B-UE according to the received identification information.
  • the method embodiment can be applied to the MUCC system, corresponding to the foregoing method embodiment 1-2, and the S-UE is used as the main body, and the base station sends the uplink scheduling information, and the UE can flexibly perform data uploading, so that the base station can flexibly schedule the uplink data.
  • the S-UE is used as the main body
  • the base station sends the uplink scheduling information
  • the UE can flexibly perform data uploading, so that the base station can flexibly schedule the uplink data.
  • FIG. 6 is a flowchart of Embodiment 5 of the uplink data scheduling method according to the embodiment of the present invention, including:
  • Step 501 The base station sends uplink scheduling information to the S-UE and the B-UE, where the identity information of the B-UE is used as the receiving identifier information and the data to generate the identifier information, so that the S-UE and the B-UE receive the uplink scheduling information.
  • the B-UE generates a MAC PDU to be sent according to the data generation identifier information, and obtains an upload data manner of the MAC PDU to be sent according to the data transmission prompt information.
  • the uplink scheduling information When the uplink scheduling information carries the identity information of the B-UE as the received identification information and the data generation identifier information, for example, the uplink scheduling information is scrambled by the C-RNTI of the B-UE, and the S-UE and the B-UE receive the uplink scheduling. information.
  • the uplink scheduling information may indicate whether the B-UE uploads data to the base station or uploads data through the S-UE.
  • the uplink scheduling information may indicate whether the B-UE uploads data to the base station or uploads data through the S-UE. Specifically, which S-UE uploads data.
  • the uplink scheduling information may use a flag bit to indicate whether the B-UE uploads data to the base station or uploads data through the S-UE; and when a B-UE and multiple S-UEs Corresponding, the data transmission prompt information may include a C-RNTI of the S-UE, and may also include a pre-configured transmission path correspondence table, where the table includes an index value of each S-UE of the B-UE, and the uplink scheduling information may indicate The B-UE uploads data to the base station itself or through which S-UE.
  • Step 502 If the data is uploaded by the S-UE, the base station receives the MAC PDU sent by the S-UE, and the MAC PDU sent by the S-UE is sent by the S-UE by the short-range wireless communication. Obtained after the MAC PDU.
  • Step 503 After receiving the MAC PDU sent by the S-UE, the base station sends an acknowledgement information ACK to the S-UE, or sends a negative information NACK to the S-UE, so that the S-UE retransmits the MAC PDU according to the denied information.
  • Step 504 The base station receives the MAC PDU retransmitted by the S-UE.
  • the embodiment of the present invention further provides an uplink data scheduling system embodiment 1, which includes a base station eNB, a B-UE, and an S-UE. Combined with the signaling interaction diagram shown in FIG. 7, the functions of the above parts and the information interaction process between the parts are A brief introduction.
  • Step 601 The base station sends uplink scheduling information to the S-UE and the B-UE, where the identity information of the B-UE is used as the received identification information and the data generation identifier information, and the S-UE and the B-UE both receive the uplink scheduling information. .
  • Step 602 The B-UE generates a MAC PDU to be sent according to the data generation identifier information, and obtains an uplink data manner of obtaining the MAC PDU to be sent according to the data sending prompt information.
  • Step 603 If the data is uploaded by using the S-UE, the B-UE sends the MAC PDU to the S-UE by using the short-range wireless communication mode.
  • Step 604 The S-UE sends a MAC PDU to the base station, and the base station receives the MAC PDU.
  • Step 605 The base station sends an acknowledgement information ACK to the S-UE or a negative information NACK: to the S-UE.
  • Step 606 If the MAC PDU needs to be retransmitted, the S-UE retransmits the MAC PDU to the base station according to the denied information, and the base station receives the MAC PDU retransmitted by the S-UE.
  • the interval at which the base station receives the uplink data sent by the S-UE is 4 ms.
  • the embodiment of the present invention needs to consider the MAC PDU passing the short-range wireless communication between the UEs. For example, after the B-UE sends the scheduling delay of the MAC PDU to the S-UE, the base station sends the scheduling information to the UE, and then receives the MAC PDU after 5 ms.
  • Step 701 The base station sends uplink scheduling information to the S-UE and the B-UE, where the identity information of the S-UE is used as the receiving identifier information and the data sending prompt information, so that the S-UE receives the uplink scheduling information, and sends the uplink scheduling information to the B-UE.
  • the MAC PDU to be sent is generated according to the generated identification information, and the upload data manner of the MAC PDU to be transmitted is obtained according to the data transmission prompt information.
  • the uplink scheduling information carries the identity information of the S-UE as the received identification information and the data transmission prompt information, for example, the uplink scheduling information is scrambled by the C-RNTI of the S-UE, only the S-UE receives the uplink scheduling information.
  • the data generation identification information may include a C-RNTI of the B-UE, and may also include a pre-configured transmission path correspondence table, where the table includes an index value of each B-UE of the S-UE.
  • the S-UE needs to forward the uplink scheduling information to the B-UE through the short-range wireless communication according to the uplink scheduling information, and the B-UE can generate the MAC PDU to be transmitted and the upload data manner to upload the data through the S-UE according to the uplink scheduling information.
  • Step 702 When the data is uploaded by the S-UE, the base station receives the MAC PDU sent by the S-UE, and the MAC PDU sent by the S-UE is sent by the S-UE by the short-range wireless communication. After the MAC PDU is obtained.
  • Step 703 After receiving the MAC PDU sent by the S-UE, the base station sends an acknowledgement information ACK to the S-UE, or sends a negative information NACK to the S-UE, so that the S-UE retransmits the MAC PDU according to the denied information.
  • Step 704 The base station receives the MAC PDU retransmitted by the S-UE.
  • Steps 702-704 are similar to steps 502-504, and are not described herein again.
  • the information carried in the uplink scheduling information of the embodiment is different, and only the S-UE receives the uplink scheduling information, and the S-UE forwards the uplink scheduling information to the B-UE to complete the subsequent uplink. Data scheduling.
  • the B-UE and the S-UE simultaneously receive the uplink scheduling information or the S-UE receives the uplink scheduling information, and then the S-UE forwards the uplink scheduling information to the B-UE, and the base station establishes a synthetic relationship between the UEs. Time configuration.
  • the embodiment of the present invention further provides an embodiment 2 of an uplink data scheduling system, including a base station eNB, a B-UE, and an S-UE, corresponding to the data scheduling method embodiment 6.
  • an uplink data scheduling system including a base station eNB, a B-UE, and an S-UE, corresponding to the data scheduling method embodiment 6.
  • Step 801 The base station sends the uplink scheduling information to the S-UE and the B-UE, where the identity information of the S-UE is used as the receiving identifier information and the data sending prompt information, and only the S-UE receives the uplink scheduling information.
  • Step 802 The S-UE forwards the uplink scheduling information to the B-UE by using short-range wireless communication.
  • Step 803 The B-UE generates a MAC PDU to be sent according to the data generation identifier information, and obtains an upload data manner of the MAC PDU to be sent according to the data sending prompt information.
  • Step 804 If the data is uploaded by using the S-UE, the B-UE sends the MAC PDU to the S-UE by using the short-range wireless communication mode.
  • Step 805 The S-UE sends a MAC PDU to the base station, and the base station receives the MAC PDU.
  • Step 806 The base station sends an acknowledgement information ACK to the S-UE or sends a negative information to the S-UE.
  • Step 807 If the MAC PDU needs to be retransmitted, the S-UE retransmits the MAC PDU to the base station according to the denied information, and the base station receives the MAC PDU retransmitted by the S-UE.
  • the forwarding delay time of the uplink scheduling information sent by the S-UE to the B-UE is 1 ms
  • the forwarding delay time of the MAC PDU sent by the B-UE to the S-UE is 1 ms.
  • the MAC PDU is received after 6ms. It should be noted that the specific time of each step can be set according to the actual situation. Only an example is given in the figure, which is not limited by the embodiment of the present invention.
  • the base station eNB schedules the B-UE to forward data through the S-UE, but at this time, the quality of the short-range wireless communication link between the B-UE and the S-UE may not be good, and the MAC of the B-UE The PDU may not be successfully transmitted. Therefore, a corresponding timer can be set on the S-UE side, and if the MAC PDU from the B-UE is received before the timeout, the packet is normally forwarded and the timer is stopped; if the timer expires, the B-UE and the S-UE are considered. The short-range wireless communication link is broken, and it is not necessary to continue waiting, and the previously saved uplink scheduling information is discarded. In this way, the uplink time-frequency resource allocated by the base station eNB is blank. In this way, the base station eNB can be implicitly notified that the forwarding is unsuccessful, and the base station eNB does not need to request retransmission.
  • the S-UE can construct a MAC PDU, which includes a special MAC CE (MAC Control Element), and the rest are padding bits.
  • the MAC PDU is transmitted on the uplink time-frequency resource designated by the base station eNB.
  • the base station receives the MAC PDU, it can learn that the B-UE to S-UE data forwarding is unsuccessful by reading the special MAC CE.
  • the S-UE when the timer of the S-UE times out, the S-UE generates a MAC PDU of its own. This includes its own identity information, such as a flag bit, or a MAC CE containing its own C-RNTI. In this way, the eNB is informed that it is S-UE data, not B-UE.
  • the MAC PDU is sent on the uplink time-frequency resource designated by the eNB.
  • the base station receives the MAC PDU, by reading the identity information of the S-UE, it can be known that the MAC PDU is the data of the S-UE, not the data of the B-UE, and the B-UE to the S-UE. Data forwarding was not successful.
  • the B-UE can also learn that the short-range wireless communication link between the S-UE is not good or the B-UE MAC PDU is not successfully sent to the S-UE, and the B-UE can utilize the previously received uplink scheduling.
  • the information itself transmits the data to the base station eNB.
  • the above several cases can also be used for the base station to detect the quality of the short-range wireless communication link between the UEs.
  • This embodiment can be applied to the MU-MIMO system.
  • the method for implementing the method in the base station in this embodiment may include the following steps:
  • Step 901 The base station sends uplink scheduling information to the first UE and the second UE, so that the first UE and/or the second UE generate a MAC PDU to be sent according to the uplink scheduling information.
  • the base station eNB already knows the composite relationship of each UE, and also knows which UE has data to transmit and the size of data to be transmitted.
  • the UE knows the C-RNTL of the other party, and then sends data by a single UE in each TTI. Multi-UE joint transmission is scheduled by the base station.
  • the uplink scheduling information may include at least data generation identification information and data transmission prompt information.
  • the data generation identification information may indicate which UE generates the MAC PDU and the number of the generated MAC PDUs. Since the present embodiment is applied to the MU-MIMO scenario, each UE-TTI can generate one or two MACs according to the data generation identification information. PDU.
  • the data transmission prompt information may indicate whether the uplink data is sent by the UE that generates the data, or is coordinated by the two UEs, and specifically, which UE is co-transmitted.
  • the embodiment of the present invention focuses on a scheduling method in which two UEs jointly send uplink data to a base station.
  • the base station sends the uplink scheduling information to the first UE and the second UE, and the first UE and/or the second UE generates a MAC PDU to be sent according to the data generation identifier information, and obtains an upload data manner according to the data sending prompt information.
  • Step 902 The base station receives a MAC PDU that is jointly sent by the first UE and the second UE by using a MU-MIMO communication manner, where the MAC PDU is a short-range wireless communication between the first UE and the second UE.
  • the MU-MIMO communication mode is determined by the first UE and the second UE searching for the stored data stored by the UE according to the uplink scheduling information.
  • the MAC PDU needs to be generated and transmitted after the UE obtains the uplink scheduling information.
  • the base station directly receives the data jointly uploaded by the two UEs, and reduces the data MAC that needs to be sent from the UE.
  • the method embodiment can be applied to the MU-MIMO system, and does not distinguish between the S-UE and the B-UE.
  • the base station can schedule any one of the two UEs.
  • Two MAC PDUs are generated in one TTI, and the two UEs jointly upload the two MAC PDUs.
  • the first UE and the second UE are also configured to generate one MAC PDU, and the two UEs jointly upload the two MAC PDUs.
  • the two UEs need to first share the MAC PDUs that need to be sent, and then jointly send the MAC PDUs to the base station.
  • the base station can only schedule the UE to upload a MAC PDU generated by the UE in one TTI, which is similar to the prior art.
  • Step 1001 The base station sends uplink scheduling information to the first user equipment UE and the second UE, so that the first UE and/or the second UE generate a MAC PDU to be sent according to the uplink scheduling information.
  • Step 1002 The base station receives a MAC PDU that is jointly sent by the first UE and the second UE by using a MU-MIMO communication manner, where the MAC PDU is obtained after the first UE and the second UE share the short-range wireless communication manner; MU-MIMO communication The method is determined by the first UE and the second UE searching for the uploaded data stored by the first UE according to the uplink scheduling information.
  • Step 1003 After receiving the MAC PDU that is jointly sent by the first UE and the second UE, the base station sends the acknowledgement information to the first UE and the second UE, or sends the negative information to the first UE and the second UE, so that the first The UE and/or the second UE resends the MAC PDU according to the denied information.
  • Step 1004 The base station receives the MAC PDU retransmitted by the first UE and/or the second UE.
  • Steps 1001-1002 are similar to steps 901-902, and are not described herein again.
  • the method further includes sending, by the first UE and the second UE, acknowledgement information or denying according to the received MAC PDU. If the two MAC PDUs need to be retransmitted, the first UE and the second UE cooperate to retransmit according to the initial transmission mode. If only one MAC PDU needs to be retransmitted, the UE that generates the MAC PDU generates the MAC PDU.
  • the MAC PDU is retransmitted to the base station eNB.
  • the embodiment of the present invention further provides an embodiment 3 of an uplink data scheduling system, including a base station eNB, a first UE, and a second UE, corresponding to the data scheduling method embodiment 8. Referring to the signaling interaction diagram shown in FIG. 12, the function of each part mentioned above and the information interaction process between the parts are briefly introduced.
  • Step 1101 The base station sends uplink scheduling information to the first user equipment UE and the second UE.
  • Step 1102 The first UE and/or the second UE generate a media access control layer protocol data unit MAC PDU to be sent according to the uplink scheduling information.
  • Step 1103 The first UE and the second UE share the MAC PDU by short-range wireless communication.
  • Step 1104 The first UE and the second UE jointly transmit the MAC PDU by using the MU-MIMO communication manner, and the base station receives the MAC PDU that is jointly transmitted by the first UE and the second UE by using the MU-MIMO communication manner.
  • Step 1105 The base station sends the acknowledgement information to the first UE and the second UE, or sends the negative information to the first UE and the second UE.
  • Step 1106 If the MAC PDU needs to be retransmitted, the first UE and/or the second UE retransmit the MAC PDU according to the denied information, and the base station receives the MAC PDU retransmitted by the first UE and/or the second UE.
  • the interval at which the base station receives the uplink data sent by the UE is 4 ms.
  • the embodiment of the present invention needs to consider the time when the MAC PDU passes the short-range wireless communication between the UEs.
  • the delay time of the two UEs sharing the MAC PDU is lms.
  • the base station receives The time of the MAC PDU sent by the first UE and the second UE is N+5, the base station needs to avoid scheduling the first UE to upload the first UE's own data to the base station at the time of N+5 at the time of N+1, or Scheduling the second UE at time N+1 to directly address at time N+5
  • the base station uploads the data of the second UE itself.
  • the specific time of each step can be set according to the actual situation. Only an example is given in the figure, which is not limited by the embodiment of the present invention.
  • This embodiment can be applied to the MU-MIMO system.
  • the present embodiment is applied to only one UE generating a MAC PDU according to the uplink scheduling information.
  • the UE implementing the MAC PDU implements the method, which may include the following steps:
  • Step 1201 One UE receives uplink scheduling information.
  • the received uplink scheduling information may include at least: data generation identification information and data transmission prompt information.
  • Step 1202 One UE generates a MAC PDU to be sent according to the uplink scheduling information. Specifically, one UE generates at least one MAC PDU to be sent according to the data generation identifier information.
  • Step 1203 The UE finds the upload data stored by the UE according to the uplink scheduling information, and determines that the upload data mode is the MU-MIMO communication mode.
  • a UE obtains an upload data manner of the MAC PDU to be sent according to the data sending prompt information.
  • Step 1204 One UE sends a MAC PDU to another UE by short-range wireless communication, so that another UE acquires a MAC PDU, and after confirming the data transmission mode, communicates with the base station.
  • Step 1205 One UE sends a MAC PDU to the base station by using MU-MIMO communication. Further, a UE may also receive the denial information, and a UE may resend the MAC PDU according to the denial information.
  • the method embodiment can be applied to a MU-MIMO system.
  • the base station can schedule any one of the two UEs to generate two MAC PDUs in one TTI.
  • the UE that generates the MAC PDU is the execution subject, and the base station flexibly schedules the uplink data.
  • FIG. 14 the flow of Embodiment 10 of the uplink data scheduling method in the embodiment of the present invention is shown.
  • the present embodiment can be applied to a MU-MIMO system.
  • the present embodiment is applied to a method in which only one UE generates a MAC PDU according to the uplink scheduling information, and the UE does not generate a MAC PDU.
  • the method may include the following steps:
  • Step 1301 Each UE receives uplink scheduling information.
  • the received uplink scheduling information may include at least: data generation identification information and data transmission prompt information.
  • Step 1302 One UE confirms that it does not generate a MAC PDU according to the uplink scheduling information. Specifically, a UE confirms that it is not the source of the MAC PDU according to the data generation identification information.
  • Step 1303 The UE finds the upload data stored by the UE according to the uplink scheduling information, and determines that the upload data mode is the MU-MIMO communication mode.
  • a UE obtains an upload data manner of the MAC PDU to be sent according to the data sending prompt information.
  • Step 1304 One UE interacts with another UE by short-range wireless communication, so that one UE acquires the MAC PDU of another UE, confirms the data transmission mode, and communicates with the base station.
  • Step 1305 One UE sends a MAC PDU to the base station by using MU-MIMO communication. Further, one UE may receive the denial information, and one UE may retransmit the MAC PDU according to the denial information.
  • the method embodiment can be applied to the MU-MIMO system.
  • the base station can schedule any one of the two UEs to generate two MAC PDUs in one TTI.
  • the UE that does not generate the MAC PDU is used as the execution subject, and the base station flexibly schedules the uplink data.
  • FIG. 15 which is a flowchart of Embodiment 11 of the uplink data scheduling method in the embodiment of the present invention, this embodiment may be applied to a MU-MIMO system, and this embodiment is applied to two UEs to generate a MAC PDU according to uplink scheduling information.
  • the method is implemented on two UE sides, and may include the following steps: Step 1401: A user equipment UE receives uplink scheduling information with another UE.
  • the received uplink scheduling information may include at least: data generation identifier information and data transmission prompt information.
  • Step 1402 The UE and the other UE respectively generate a MAC PDU to be sent according to the uplink scheduling information.
  • one UE and another UE respectively generate a MAC PDU to be sent according to the data generation identification information.
  • Step 1403 The UE and the other UE determine the upload data mode as the MU-MIM0 communication mode by searching for the uplink data stored by the UE according to the uplink scheduling information.
  • one UE and another UE determine the upload data mode as the MU-MIM0 communication mode according to the data sending prompt information to search for the stored data stored by itself.
  • Step 1404 One UE exchanges a MAC PDU with another UE by short-range wireless communication.
  • Step 1405 A MAC PDU sent by the UE to another UE by using the MU-MIM0 communication manner.
  • One UE and another UE may also receive the denial information, and one UE and another UE may resend the MAC PDU according to the denial information.
  • the embodiment of the method can be applied to the MU-MIM0 system.
  • the base station can schedule two UEs to generate one MAC PDU in one TTI.
  • the UE that generates the MAC PDU is used as the execution entity, so that the base station can flexibly schedule the uplink data.
  • FIG. 16 it is a flowchart of Embodiment 12 of the uplink data scheduling method according to the embodiment of the present invention, which includes:
  • Step 1501 The base station sends uplink scheduling information to the first UE and the second UE, where the data generation identifier information may carry the identity information of the first UE, so that the first UE and the second UE receive uplink scheduling information, where the first UE is configured according to the first UE.
  • the data generation identifier information generates at least one MAC PDU that needs to be sent, and obtains an upload data manner according to the data sending prompt information;
  • the base station sends the uplink scheduling information to the first UE and the second UE, where the data generation identifier information may carry the identity information of the second UE, so that the first UE and the second UE receive the uplink scheduling information, and the second UE is configured according to the second UE.
  • the data generation identification information generates at least one MAC PDU that needs to be sent, and obtains an upload data manner according to the data transmission prompt information.
  • the two UEs receive the uplink scheduling information, and the data sending prompt information prompts that the uplink data of the MAC PDU to be sent is the first UE and the second UE through the MU-MIMO communication mode.
  • the data generation identifier information carries the identity information of the first UE (eg, the uplink scheduling information is scrambled by the C-RNTI of the first UE), and the first UE may be configured to generate two MAC PDUs or data generation identifier information that need to be sent.
  • Carrying the identity information of the second UE eg, the uplink scheduling information is scrambled by the C-RNTI of the second UE
  • the data transmission prompt information may further include a C-RNTI of another UE, and may also include a pre-configured transmission path correspondence table, where the table includes index values of other UEs having a composite relationship with one UE. It should be noted that, when the first UE has only a synthetic relationship with the second UE, when the data sending prompt information prompts the two UEs to jointly upload data, if the UE has been informed of which UE to upload data in cooperation, the data sending prompt information may not be Includes C-RNTL for another UE
  • the data sending prompt information may also prompt the uploading data mode to upload data to the base station by itself, and the data generating identification information may prompt the UE to generate a MAC PDU. This process is similar to the prior art and will not be described here.
  • Step 1502 The base station receives a MAC PDU that is jointly sent by the first UE and the second UE by using a MU-MIMO communication manner, and the MAC PDU that is jointly sent by the first UE and the second UE is a short-range wireless communication between the first UE and the second UE.
  • the MU-MIMO communication mode is determined by the manner in which the first UE and the second UE search for the uploaded data stored by the first UE and the second UE according to the uplink scheduling information.
  • Step 1503 After receiving the MAC PDU that is jointly sent by the first UE and the second UE, the base station sends the acknowledgement information to the first UE and the second UE, or sends the acknowledgement information to the first UE and the second UE, so that the first UE and the first UE / or the second UE resends the MAC PDU according to the denied information.
  • Step 1504 The base station receives the MAC PDU retransmitted by the first UE and/or the second UE.
  • the two MAC PDUs to be sent are from the same UE, and the uplink scheduling information carries the identity information of the UE, and the two UEs can be scheduled to jointly perform the coordinated uploading of the two MAC PDUs.
  • FIG. 17 which is a flowchart of Embodiment 13 of an uplink data scheduling method according to an embodiment of the present invention, including:
  • Step 1601 The base station sends uplink scheduling information to the first UE and the second UE, where the data generation identifier information carries the identity information of the first UE and the identity information of the second UE, so that the first The UE and the second UE receive the uplink scheduling information, and the first UE and the second UE respectively generate a MAC PDU to be sent according to the data generation identifier information, and obtain an upload data manner according to the data sending prompt information.
  • the two UEs receive the uplink scheduling information, and when the data sending prompt information indicates that the data to be sent is to be sent, the first UE and the second UE jointly upload data through the MU-MIMO communication manner, and the data generation identifier information carries the first UE.
  • the identity information and the identity information of the second UE eg, the uplink scheduling information utilizes the C-RNTI of the first UE, and includes the related identity information of the second UE
  • the first UE and the second UE respectively generate a MAC that needs to be sent. PDU.
  • the data transmission prompt information may further include a C-RNTI of another UE, and may also include a pre-configured transmission path correspondence table, where the table includes index values of other UEs having a composite relationship with one UE. It should be noted that, when the first UE has a composite relationship with the second UE, the data sending prompt information prompts the two UEs to jointly upload data, and the data sending prompt information may not be represented on behalf of a UE. Includes the C-RNTI of another UE.
  • Step 1602 The base station receives a MAC PDU that is jointly sent by the first UE and the second UE by using a MU-MIMO communication manner, and the MAC PDU that is jointly sent by the first UE and the second UE is a short-range wireless communication between the first UE and the second UE.
  • the MU-MIMO communication mode obtained by the manner in which the MAC PDU is shared is determined by the first UE and the second UE searching for the uploaded data stored by the UE according to the uplink scheduling information.
  • Step 1603 After receiving the MAC PDU that is jointly sent by the first UE and the second UE, the base station sends the acknowledgement information to the first UE and the second UE, or sends the acknowledgement information to the first UE and the second UE, so that the first UE and the first UE / or the second UE resends the MAC PDU according to the denied information.
  • Step 1604 The base station receives the MAC PDU retransmitted by the first UE and/or the second UE.
  • Steps 1602-1604 are similar to steps 1502-1504, and are not described herein again.
  • the case in this embodiment is that the two MAC PDUs to be uploaded are from different UEs, and the information carried in the uplink scheduling information is different, and the two UEs can be scheduled to complete two MACs together. Collaborative upload of PDUs.
  • the embodiment of the present invention further provides a base station embodiment 1. As shown in FIG.
  • the base station includes: a sending unit 1701, configured to send uplink scheduling information to the supporting user equipment S-UE and the benefit user equipment B-UE,
  • the B-UE is configured to generate a MAC PDU to be sent according to the uplink scheduling information. And get the way to upload data of the MAC PDU that needs to be sent.
  • the uplink scheduling information includes at least data generation identifier information and data transmission prompt information.
  • the sending unit may be specifically configured to send the uplink scheduling information to the S-UE and the B-UE, so that the B-UE generates the MAC PDU to be sent according to the data generation identifier information, and obtains the MAC PDU to be sent according to the data sending prompt information. Upload data method.
  • the uplink scheduling information may also include receiving identification information.
  • the receiving unit 1702 is configured to: when the data is uploaded by using the S-UE, receive the MAC PDU sent by the S-UE, and the MAC PDU sent by the S-UE is received by the S-UE by using short-range wireless communication.
  • the MAC PDU obtained after the MAC PDU sent by the UE is generated according to the uplink scheduling information sent by the sending unit.
  • the sending unit is further configured to: send the acknowledgement information to the S-UE; or, after receiving the MAC PDU sent by the S-UE, send the negative information to the S-UE, so that the S-UE retransmits the MAC PDU according to the denied information;
  • the receiving unit is further configured to receive the MAC PDU retransmitted by the S-UE.
  • the above modules may be embedded in the hardware of the base station or in the form of software, and may be stored in the terminal, such as the memory of the base station, so that the processor calls the corresponding operations of the above modules.
  • the processor can be a central processing unit (CPU), a microprocessor, a microcontroller, or the like.
  • the base station shown in FIG. 18 can perform the corresponding steps in the foregoing embodiments. For details, refer to the description of the foregoing embodiment. The effect achieved can also be seen in the above embodiment.
  • the embodiment of the present invention further provides a user equipment embodiment 1. As shown in FIG. 19, the user equipment includes:
  • the receiving unit 1801 is configured to receive uplink scheduling information.
  • the uplink scheduling information received by the receiving unit includes at least data generation identification information and data transmission prompt information.
  • the generating unit 1802 is configured to generate, according to the uplink scheduling information received by the receiving unit, a MAC PDU to be sent, and obtain an uplink data manner of the MAC PDU to be sent.
  • the sending unit 1803 is configured to: if the uploading data obtained by the generating unit is to upload data by supporting the user equipment S-UE, send the MAC PDU generated by the generating unit to the S-UE by short-range wireless communication, so that the S-UE The MAC PDU is sent to the base station.
  • the generating unit may include: Generating a subunit, configured to generate, according to data received by the receiving unit, identification information to generate a MAC PDU to be sent;
  • the confirmation subunit is configured to confirm the upload data mode of the MAC PDU to be sent according to the data sending prompt information received by the receiving unit.
  • the receiving unit is specifically used for:
  • the uplink scheduling information received by the receiving unit further includes receiving the identification information.
  • the user equipment further includes: an acknowledgment unit, configured to confirm, according to the received identification information received by the receiving unit, whether to receive the uplink scheduling information sent by the base station.
  • the acknowledgment unit is specifically configured to: determine, according to the received identification information received by the receiving unit, whether the received identification information stored in the received identification information is included in the received identification information.
  • the embodiment of the present invention further provides a user equipment embodiment 2, as shown in FIG. 20, the user equipment includes:
  • the receiving unit 1901 is configured to receive uplink scheduling information.
  • the uplink scheduling information received by the receiving unit includes at least data generation identification information and data transmission prompt information.
  • the determining unit 1902 is configured to determine, according to the uplink scheduling information received by the receiving unit, an upload data manner.
  • the receiving unit 1901 is configured to: if the uploading data mode confirmed by the confirming unit is to upload data through the S-UE, receive the MAC PDU sent by the benefit user equipment B-UE by short-range wireless communication, and the MAC PDU is the B-UE according to the uplink scheduling information. Generated.
  • the sending unit 1903 is configured to send the MAC-PDU received by the receiving unit to the base station.
  • the determining unit is specifically configured to determine, according to the data sending prompt information received by the receiving unit, the method for uploading data, and the method for uploading data is to upload data by using the S-UE.
  • the user equipment also includes:
  • an acknowledgment unit configured to generate an identification signal according to the data received by the receiving unit, and confirm that the received MAC PDU is a MAC PDU generated by the S-UE corresponding to the B-UE.
  • the user equipment also includes:
  • a forwarding unit configured to forward the uplink scheduling information received by the receiving unit to the B-UE. Further, the uplink scheduling information received by the receiving unit further includes receiving the identifier information. The forwarding unit is specifically configured to confirm whether to forward the uplink scheduling information to the B-UE according to the received identifier information received by the receiving unit.
  • the above modules may be embedded in the hardware of the base station in hardware, or may be stored in the terminal in the software, such as the memory of the UE, so that the processor calls the corresponding operations of the above modules.
  • the processor can be a central processing unit (CPU), a microprocessor, a microcontroller, or the like.
  • the user equipment shown in FIG. 19 or FIG. 20 can perform the corresponding steps in the foregoing embodiments. For details, refer to the description of the foregoing embodiment. The effect achieved can also be seen in the above embodiment.
  • the embodiment of the present invention further provides a second embodiment of the base station. As shown in FIG.
  • the base station includes: a sending unit 2001, configured to send uplink scheduling information to the first user equipment UE and the second UE, so that the first UE and the first UE / or the second UE generates a MAC to be sent according to the uplink scheduling information
  • the uplink scheduling information sent by the sending unit includes at least data generation identification information and data transmission prompt information.
  • the receiving unit 2002 is configured to receive a MAC PDU that is jointly sent by the first UE and the second UE by using a MU-MIMO communication manner, where the MAC PDU is obtained after the first UE and the second UE share the short-range wireless communication manner;
  • the MIMO communication mode is determined by the first UE and the second UE searching for the uplink data stored by the sending unit according to the uplink scheduling information sent by the sending unit, and the MAC PDU is generated according to the uplink scheduling information sent by the sending unit.
  • the sending unit is further configured to: send an acknowledgment message sent by the first UE and the second UE; or send, after receiving the MAC PDU that is sent by the first UE and the second UE, to the first UE and the second UE.
  • the information is denied, so that the first UE and/or the second UE retransmits the MAC PDU according to the denial information; the receiving unit is further configured to receive the MAC PDU retransmitted by the first UE and/or the second UE.
  • the above modules may be embedded in the hardware of the base station or in the form of software, and may be stored in the terminal, such as the memory of the base station, so that the processor calls the corresponding operations of the above modules.
  • the processor can be a central processing unit (CPU), a microprocessor, a microcontroller, or the like.
  • the base station shown in FIG. 21 can perform the corresponding steps in the foregoing embodiments. For details, refer to the description of the foregoing embodiment. The effect achieved can also be seen in the above embodiment.
  • the embodiment of the present invention further provides a user equipment embodiment 3, as shown in FIG. 22, the user equipment includes:
  • the receiving unit 2101 is configured to receive uplink scheduling information.
  • the uplink scheduling information received by the receiving unit may include at least: data generation identifier information and data transmission prompt information.
  • the generating unit 2102 is configured to generate, according to the uplink scheduling information received by the receiving unit, a MAC PDU that needs to be sent.
  • the determining unit 2103 is configured to determine, according to the uplink scheduling information received by the receiving unit, the method for determining the uploaded data by using the uplink data stored in the receiving unit as the MU-MIMO communication mode.
  • the sending unit 2104 is configured to send, by using short-range wireless communication, a MAC PDU generated by the generating unit to another UE, so that another UE acquires the MAC PDU, and after confirming the uploading data mode, communicates with the base station.
  • the sending unit 2104 is configured to send the MAC PDU to the base station by using the MU-MIMO communication mode determined by the determining unit.
  • the generating unit is configured to generate at least one MAC PDU that needs to be sent according to the data generated by the receiving unit, and the determining unit is configured to obtain, according to the data received by the receiving unit, the method for sending the data of the MAC PDU to be sent.
  • the embodiment of the present invention further provides a user equipment embodiment 4. As shown in FIG. 23, the user equipment includes:
  • the receiving unit 2201 is configured to receive uplink scheduling information.
  • the uplink scheduling information received by the receiving unit at least includes: data generation identification information and data transmission prompt information.
  • the confirming unit 2202 is configured to confirm that the MAC PDU is not generated according to the uplink scheduling information received by the receiving unit.
  • the determining unit 2203 is configured to determine, according to the uplink scheduling information received by the receiving unit, the manner of uploading data stored by the receiving unit to determine the manner of uploading data as the MU-MIMO communication mode.
  • the sending unit 2204 is configured to interact with another UE by using short-range wireless communication, so that one UE acquires a MAC PDU of another UE, and after confirming the data transmission mode, communicates with the base station.
  • the sending unit 2204 is configured to send the MAC PDU to the base station by using the MU-MIMO communication mode determined by the determining unit.
  • the acknowledgment unit is specifically configured to: according to the data received by the receiving unit, generate identification information to confirm that it is not the source of the MAC PDU; and the determining unit is specifically configured to obtain, according to the data received by the receiving unit, the information of the uploading data of the MAC PDU to be sent.
  • the embodiment of the present invention further provides a user equipment embodiment 5, as shown in FIG. 24, the user equipment includes:
  • the receiving unit 2301 is configured to receive uplink scheduling information.
  • the uplink scheduling information received by the receiving unit at least includes: data generation identification information and data transmission prompt information.
  • the generating unit 2302 is configured to generate, according to the uplink scheduling information received by the receiving unit, a MAC PDU that needs to be sent.
  • the determining unit 2303 is configured to determine, according to the uplink scheduling information received by the receiving unit, the manner of uploading data stored in the manner of determining the uploaded data mode to be the MU-MIMO communication mode.
  • the communication unit 2304 is configured to generate a unit-generated MAC PDU by interacting with another UE by short-range wireless communication.
  • the sending unit 2305 is configured to send the MAC PDU to the base station by using the MU-MIMO communication mode determined by the determining unit.
  • the generating unit is specifically configured to generate a MAC PDU to be sent according to the data generated by the receiving unit, and the determining unit is configured to determine, according to the data sending prompt information received by the receiving unit, the method for determining the uploaded data according to the manner of uploading the data stored by the receiving unit.
  • MU-MIMO communication method is specifically configured to generate a MAC PDU to be sent according to the data generated by the receiving unit, and the determining unit is configured to determine, according to the data sending prompt information received by the receiving unit, the method for determining the uploaded data according to the manner of uploading the data stored by the receiving unit.
  • the receiving unit is further configured to receive the denial information; the sending unit is further configured to resend the MAC PDU according to the denial information received by the receiving unit.
  • the above modules may be embedded in the hardware of the base station in hardware, or may be stored in the terminal in the software, such as the memory of the UE, so that the processor calls the corresponding operations of the above modules.
  • the processor can be a central processing unit (CPU), a microprocessor, a microcontroller, or the like.
  • the user equipment shown in FIG. 22, FIG. 23 or FIG. 24 can perform the corresponding steps in the foregoing embodiments. For details, refer to the description of the foregoing embodiment. The effect achieved can also be seen in the above embodiment.
  • the embodiment of the present invention further provides a configuration of the user equipment 100 and the base station 200, respectively.
  • a transmitter, a receiver, a processor, at least one network interface or other communication interface, a memory, and at least one communication bus may be included for enabling connection communication between the devices.
  • a transmitter is used to transmit data
  • a receiver is used to receive data
  • a processor is used to execute an executable module, such as a computer program, stored in the memory.
  • the memory may include a high speed random access memory (RAM: Random Access Memory), and may also include a non-volatile memory such as at least one disk memory.
  • the communication connection between the system gateway and at least one other network element is implemented by at least one network interface (which may be wired or wireless), and the Internet, a wide area network, a local network, a metropolitan area network, etc. may be used.
  • program instructions are stored in the memory, and the program instructions can be executed by the processor, the transmitter, and the receiver, where:
  • a transmitter configured to send the uplink scheduling information to the supporting user equipment S-UE and the benefit user equipment B-UE, so that the B-UE generates a MAC PDU to be sent according to the uplink scheduling information, and obtains a MAC that needs to be sent.
  • PDU upload data method
  • a receiver configured to: when the data is uploaded by the S-UE, receive a MAC PDU sent by the S-UE, where the S-UE sends a MAC PDU that is passed by the S-UE
  • the short-range wireless communication mode is obtained after receiving the MAC PDU sent by the B-UE, and the MAC PDU is generated according to the uplink scheduling information sent by the transmitter.
  • the uplink scheduling information sent by the transmitter includes at least data generation identification information and data transmission prompt information.
  • the transmitter is further configured to: send the acknowledgement information to the S-UE; or, after receiving the MAC PDU sent by the S-UE, send the negative information to the S-UE, so that the S The UE retransmits the MAC PDU according to the denial information; the receiver is further configured to receive the MAC PDU resent by the S-UE.
  • program instructions are stored in the memory, and the program instructions may be executed by the processor, the transmitter, and the receiver, where: the transmitter is configured to be used by the first user.
  • the device UE and the second UE send uplink scheduling information, so that the first UE and/or the second UE generate a MAC PDU to be sent according to the uplink scheduling information.
  • a receiver configured to receive a MAC PDU that is jointly sent by the first UE and the second UE by using a MU-MIMO communication manner, where the MAC PDU is short-range wireless in the first UE and the second UE Obtained after the communication mode is shared; the MU-MIMO communication mode is determined by the first UE and the second UE searching for the uplink data stored by the transmitter according to the uplink scheduling information sent by the transmitter, where The MAC PDU is generated according to the uplink scheduling information sent by the transmitter.
  • the uplink scheduling information sent by the transmitter includes at least data generation identification information and data transmission prompt information.
  • the transmitter is further configured to: send an acknowledgement message sent by the first UE and the second UE; or, after receiving the MAC PDU that is sent by the first UE and the second UE, Determining, by the first UE and the second UE, that the first UE and/or the second UE retransmit the MAC PDU according to the denial information; the receiver is further configured to receive the The MAC PDU retransmitted by the first UE and/or the second UE.
  • program instructions are stored in the memory, and the program instructions may be executed by the processor, the transmitter, and the receiver, where: the receiver is configured to receive the uplink scheduling.
  • a processor configured to generate, according to the uplink scheduling information received by the receiver, a MAC PDU to be sent, and obtain an uplink data manner of the MAC PDU to be sent;
  • a transmitter configured to send, by the processor, the MAC PDU generated by the processor to the S by short-range wireless communication, if the uploading data obtained by the processor is to upload data by supporting the user equipment S-UE a UE, such that the S-UE transmits the MAC PDU to a base station.
  • the uplink scheduling information received by the receiver includes at least data generation identification information and data transmission prompt information.
  • the processor package is specifically configured to generate, according to the data generated by the receiver, the MAC PDU to be sent according to the data generated by the receiver; and confirm the upload data of the MAC PDU to be sent according to the data sending prompt information received by the receiver. the way.
  • the receiver is specific And configured to receive uplink scheduling information sent by the base station, and receive uplink scheduling information forwarded by the S-UE.
  • the uplink scheduling information received by the receiver further includes receiving identifier information;
  • the processor is further configured to confirm, according to the received identification information received by the receiver, whether to receive the uplink scheduling information sent by the base station. Specifically, the receiving identifier information received by the receiver is used to confirm whether the received identifier information is included in the received identifier information stored by the receiver.
  • program instructions are stored in the memory, and the program instructions may be executed by the processor, the transmitter, and the receiver, where: the receiver is configured to receive the uplink scheduling.
  • the MAC PDU sent by the benefit user equipment B-UE by short-range wireless communication, the MAC PDU is the B-UE according to the information that is sent by the S-UE.
  • the uplink scheduling information is generated;
  • a processor configured to determine, according to the uplink scheduling information received by the receiver, an upload data manner
  • a transmitter configured to send the MAC-PDU received by the receiver to a base station.
  • the uplink scheduling information received by the receiver includes at least data generation identification information and data transmission prompt information.
  • the processor is specifically configured to determine, according to the data sending prompt information received by the receiver, an upload data manner, where the upload data manner is to upload data by using the S-UE; the processor is further configured to use according to The data received by the receiver generates identification information to confirm that the received MAC PDU is a MAC PDU generated by the S-UE corresponding to the B-UE.
  • the transmitter is further configured to forward the uplink scheduling information received by the receiver to the B-UE.
  • the uplink scheduling information received by the receiver further includes receiving the identifier information.
  • the transmitter is further configured to confirm whether to forward the uplink scheduling information to the B-UE according to the received identifier information received by the receiver.
  • program instructions are stored in the memory, and the program instructions may be executed by the processor, the transmitter, and the receiver, where: the receiver is configured to receive the uplink scheduling.
  • the processor is configured to: generate, according to the uplink scheduling information received by the receiver, a MAC PDU to be sent; and determine, according to the uplink scheduling information received by the receiver, how to upload the data, and determine the upload data mode as MU- MIMO communication method;
  • a transmitter configured to send the processor to another UE by short-range wireless communication Generating the MAC PDU, so that the another UE acquires the MAC PDU, confirms the data transmission mode, and communicates with the base station; and sends the MAC PDU to the base station by using the MU-MIMO communication mode determined by the processor.
  • the uplink scheduling information received by the receiver includes at least: data generation identifier information and data transmission prompt information.
  • the processor is specifically configured to generate at least one MAC PDU to be sent according to the data generation identifier information received by the receiver, and obtain an upload of the MAC PDU to be sent according to the data sending prompt information received by the receiver. Data method.
  • the receiver is further configured to receive the denial information; the transmitter is further configured to resend the MAC PDU according to the denial information received by the receiver.
  • program instructions are stored in the memory, and the program instructions may be executed by the processor, the transmitter, and the receiver, where: the receiver is configured to receive the uplink scheduling.
  • the processor is configured to confirm that the MAC PDU is not generated according to the uplink scheduling information received by the receiver, and determine, according to the uplink scheduling information received by the receiver, how to upload the data, and determine the upload data mode as MU- MIMO communication method;
  • a transmitter configured to interact with another UE by short-range wireless communication, so that the one UE acquires a MAC PDU of another UE, and after confirming the data transmission mode, communicates with the base station; the MU determined by the processor
  • the MIMO communication method transmits a MAC PDU to the base station.
  • the uplink scheduling information received by the receiver includes at least: data generation identifier information and data transmission prompt information.
  • the processor is specifically configured to: according to the data generated by the receiver, generate identification information to confirm that it is not a source of a MAC PDU; the processor is specifically configured to obtain, according to the data received by the receiver, a prompt information The method of uploading data of the sent MAC PDU.
  • the receiver is further configured to receive the denial information; the transmitter is further configured to resend the MAC PDU according to the denial information received by the receiver.
  • program instructions are stored in the memory, and the program instructions may be executed by the processor, the transmitter, and the receiver, where: the receiver is configured to receive the uplink scheduling. Information; by short-range wireless communication with another UE Interacting the MAC PDU generated by the processor;
  • the processor is configured to: generate, according to the uplink scheduling information received by the receiver, a MAC PDU to be sent; and determine, according to the uplink scheduling information received by the receiver, how to upload the data, and determine the upload data mode as MU- MIMO communication method;
  • a transmitter configured to exchange, by the MU-MIMO communication mode determined by the processor, a MAC PDU sent to the base station, and interact with another UE by the short-range wireless communication manner to generate the MAC PDU generated by the processor.
  • the uplink scheduling information received by the receiver includes at least: data generation identifier information and data transmission prompt information.
  • the processor is specifically configured to generate a MAC PDU that needs to be sent according to the data generated by the receiver, and the processor is specifically configured to search for the information according to the data sent by the receiver.
  • the stored upload data mode determines the upload data mode as the MU-MIMO communication mode.
  • the receiver is further configured to receive the denial information; the transmitter is further configured to resend the MAC PDU according to the denial information received by the receiver.
  • the device shown in FIG. 25 may be used to implement any method provided by the base station in the foregoing method embodiments, and the device shown in FIG. 26 may be used to implement the foregoing method embodiments. Any method of this will not be repeated here.
  • the base station sends the uplink scheduling information, so that the UE can generate the data to be sent according to the uplink scheduling information, and directly pass another UE. Forwarding or coordinating to send data to the base station reduces the time interval between the generation of data to be transmitted by the UE and the transmission of data by the other UE to the base station, and the scheduling of the base station can make timely adjustments to changes in the uplink channel status.
  • the disclosed system, apparatus, and method may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the modules or units is only a logical function division, and may be implemented in actual implementation.
  • multiple units or components may be combined or integrated into another system, or some features may be omitted or not implemented.
  • the coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separate, and the components displayed as the units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium.
  • the instructions include a plurality of instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor to perform all or part of the steps of the methods described in various embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a Read-Only Memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and the like, which can store program codes. .

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Abstract

La présente invention, selon des modes de réalisation, concerne un procédé de programmation de données de liaison montante, une station de base et un équipement d'utilisateur (EU). Le procédé comprend les étapes suivantes: la station de base envoie des informations de programmation de liaison montante vers un EU de support (S-UE) et un EU bénéficiaire (B-UE) de sorte que le B-UE, en fonction des informations de programmation de liaison montante, génère un PDU MAC qui doit être envoyé et obtient un mode de téléchargement de données pour le PDU MAC à envoyer; si le mode de téléchargement de données consiste à télécharger les données via le S-UE, la station de base reçoit le PDU MAC envoyé par le S-UE, le PDU MAC envoyé par le S-UE étant obtenu après que le le S-UE a utilisé un mode de communication sans fil courte distance afin de recevoir le PDU MAC envoyé par le B-UE. Il est ainsi possible de mettre en oeuvre une programmation flexible de données de liaison montante dans une communication à synthèse multi-EU.
PCT/CN2013/076630 2013-06-03 2013-06-03 Procédé de programmation de données de liaison montante, station de base et équipement d'utilisateur Ceased WO2014194451A1 (fr)

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CN201380001471.8A CN104488341B (zh) 2013-06-03 2013-06-03 一种上行数据调度方法、基站及用户设备

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