WO2013029567A1 - 数据发送方法和用户设备 - Google Patents

数据发送方法和用户设备 Download PDF

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Publication number
WO2013029567A1
WO2013029567A1 PCT/CN2012/080917 CN2012080917W WO2013029567A1 WO 2013029567 A1 WO2013029567 A1 WO 2013029567A1 CN 2012080917 W CN2012080917 W CN 2012080917W WO 2013029567 A1 WO2013029567 A1 WO 2013029567A1
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WO
WIPO (PCT)
Prior art keywords
grant
resource
data
uplink resource
transport block
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2012/080917
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English (en)
French (fr)
Inventor
韩广林
张戬
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Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to EP12828044.3A priority Critical patent/EP2744290B1/en
Publication of WO2013029567A1 publication Critical patent/WO2013029567A1/zh
Priority to US14/193,334 priority patent/US9414398B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/50Allocation or scheduling criteria for wireless resources
    • H04W72/56Allocation or scheduling criteria for wireless resources based on priority criteria
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058Allocation criteria
    • H04L5/0064Rate requirement of the data, e.g. scalable bandwidth, data priority
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/50Allocation or scheduling criteria for wireless resources
    • H04W72/56Allocation or scheduling criteria for wireless resources based on priority criteria
    • H04W72/566Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient
    • H04W72/569Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient of the traffic information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0001Arrangements for dividing the transmission path
    • H04L5/0003Two-dimensional division
    • H04L5/0005Time-frequency
    • H04L5/0007Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/23Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Definitions

  • the present invention relates to the field of mobile communications, and in particular, to a data transmitting method and user equipment.
  • LTE Long Term Evolution
  • an LCP Logical Channel Prioritization
  • the UE User Equipment
  • UL Grant Uplink Grant
  • the UE may select to multiplex the received UL Grant in an arbitrary order, and send the required UL LLP through the LCP process.
  • the content is multiplexed on the TB (Transport Block) corresponding to the UL Grant, and the UE can send the data from the logical channel and the MAC (Medium Access Control) CE (Control Element, Control Unit) ) is hosted on any TB.
  • TB Transport Block
  • MAC Medium Access Control
  • a data sending method includes:
  • the data to be transmitted is multiplexed and transmitted in a transport block corresponding to the multiplexed resource.
  • a user equipment includes:
  • a receiving module configured to receive at least two uplink resource grants allocated by the base station
  • a processing module configured to combine uplink resource authorizations received at different times in at least two uplink resource grants received by the receiving module, to obtain a multiplexing resource
  • a sending module configured to multiplex the data to be sent and sent in a transport block corresponding to the multiplexed resource acquired by the processing module.
  • the uplink resource grant When receiving the uplink resource grant allocated by the base station, the uplink resource grant is grouped according to the sending moment of the transport block corresponding to each uplink resource grant, to determine the multiplexed resource, and the uplink resource grant corresponding to the data multiplexed packet is correspondingly
  • the transmission block performs transmission, so that the UE can determine the delay condition of each uplink resource according to the transmission time, and adjust the multiplexing sequence according to the delay that may occur, thereby avoiding the delay increase of high priority data transmission.
  • FIG. 1 is a schematic diagram of uplink resource grant reception and transmission in LTE FDD;
  • FIG. 2 is a flowchart of a data sending method according to an embodiment of the present invention.
  • FIG. 3 is a schematic diagram of an uplink resource granting reception and transmission in an LTE FDD according to an embodiment of the present invention
  • FIG. 4 is a flowchart of a data sending method according to an embodiment of the present invention
  • FIG. 5 is a flowchart of a data sending method according to an embodiment of the present invention.
  • FIG. 6 is a flowchart of a data sending method according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of a user equipment according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic structural diagram of a user equipment according to an embodiment of the present disclosure.
  • FIG. 9 is a schematic structural diagram of a user equipment according to an embodiment of the present disclosure.
  • FIG. 10 is a schematic structural diagram of a user equipment according to an embodiment of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS In order to make the objects, technical solutions and advantages of the present invention more comprehensible, the embodiments of the present invention will be further described in detail below.
  • the eNodeB may configure an uplink resource grant for sending the uplink reference signal (SRS) to the UE, and the UE allocates the uplink resource. Send SRS on authorization.
  • SRS uplink reference signal
  • the UE may receive the RAR UL Grant through the RAR on a carrier or a cell that initiates an RA (Random Access) procedure, and the UE may simultaneously receive the dynamic scheduling obtained from the PDCCH on other carriers.
  • the PDCCH C-RNTI UL Grant, or the SPS C-RNTI UL Grant received from the semi-persistent scheduling obtained by dynamic scheduling of the PDCCH, or the configured uplink resource grant Configured UL Grant.
  • the UE receives the UL Grant 1 allocated by the PDCCH in the subframe subframe O on the Cell 1, and transmits the corresponding PUSCH in the subframe 4.
  • FIG. 2 is a flowchart of a data sending method according to an embodiment of the present invention.
  • the executor of the embodiment is a UE (User Equipment). Referring to FIG. 2, the embodiment includes:
  • the base station may cover one or more cells, and the uplink resource grant may be from different cells covered by the same base station.
  • the at least two uplink resource grants include at least two of the following uplink resource grants: PDCCH C-RNTI UL Grant SPS C-RNTI UL Grant RAR UL Grant and P Configured UL Grant, where PDCCH C-RNTI UL Grant and SPS C-RNTI UL Grant may be obtained by receiving dynamic scheduling from PDCCH, and RAR UL Grant may be UE initiated random
  • the base station of the access process is allocated to the UE through the RAR, and the Configured UL Grant may be a UL Grant repeatedly configured according to a preset rule configured on the user equipment after the semi-persistent scheduling is activated.
  • the uplink resource grants received at different times in the at least two uplink resource grants and the same sending time are grouped into one group. , get at least one set of reuse resources.
  • FIG. 3 is a schematic diagram of an uplink resource grant reception and transmission in an LTE FDD according to an embodiment of the present invention. Referring to FIG.
  • the UE receives the PDCCH C-RNTI UL Grant 1 of Cell 1 and the RAR UL Grant 2 of Cell 2 in subframe 0, and the transmission time of the transport block corresponding to the PDCCH C-RNTI UL Grant1 is subframe 4; for RAR UL Grant, because there is a relatively long delay between the reception and the transmission, the transmission time of the transport block corresponding to the RAR UL Grant2 is subframe 6; and the UE receives the PDCCH C-RNTI UL Grant3 from the Cell 1 in the subframe 2,
  • the transmission time of the transport block corresponding to the PDCCH C-RNTI UL Grant 3 is subframe 6, and the time of transmission of the transport block corresponding to the UL Grant 1 is earlier than the time of transmission of the transport block corresponding to the UL Grant 2, although UL Grant 1 and UL Grant 2 are simultaneously received by the UE.
  • UL Grant 1 and UL Grant 2 are not used as a group of multiplexing resources; the uplink sent by the transport block corresponding to UL Grant 2 and UL Grant 3 The time is the same. Therefore, the UL Grant 1 whose transmission time is subframe 4 is used as a group of multiplexing resources, and the RAR UL Grant 2 and the PDCCH C-RNTI UL Grant 3 whose transmission time is subframe 6 are divided into another. Multiplexing resources to perform the multiplexing process;
  • the multiplex resource refers to one or more UL Grants or one or more transport blocks corresponding to the UL Grant that need to be sent in the same subframe subframe or TTI.
  • the data to be sent is multiplexed and transmitted in a transport block corresponding to the multiplexed resource.
  • the step 203 specifically includes: multiplexing the data to be transmitted in the transmission order corresponding to the UL Grant 1 and the transmission corresponding to the UL Grant 2 and the UL Grant 3 according to the sequence of the sending time.
  • the transport block corresponding to the UL Grant 1 is transmitted in the subframe 4
  • the transport block corresponding to the UL Grant 2 and the UL Grant 3 is transmitted in the subframe 6.
  • FIG. 4 is a flowchart of a data sending method according to an embodiment of the present invention.
  • the executor of the embodiment is a user equipment (UE). Referring to FIG. 4, the embodiment includes:
  • the data to be sent is multiplexed and transmitted in a transport block corresponding to the multiplexed resource according to the second priority, the second priority is the The reuse priority of each uplink resource grant in the resource.
  • the at least two uplink resource grants include: PDCCH C-RNTI UL Grants SPS C-RNTI UL Grant, Configured UL Grant, and also includes RAR UL Grant.
  • the second priority of the PDCCH C-RNTI UL Grant and the SPS C-RNTI UL Grants Configured UL Grant is higher than the uplink resource grants in the same group of multiplex resources or the uplink resource grants sent by the same TTI.
  • the second priority of RAR UL Grant is higher than the uplink resource grants in the same group of multiplex resources or the uplink resource grants sent by the same TTI.
  • the multiplexing order or the multiplexing priority of the transport blocks corresponding to the PDCCH C-RNTI UL Grants SPS C-RNTI UL Grants Configured UL Grant and the RAR Grant are multiplexed one by one; for example, PDCCH C-RNTI UL Grant
  • the PSPS C-RNTI UL Grant and P Configured UL Grant have high priority multiplexing in multiplexing, and the RAR UL Grant has lower multiplexing priority; all uplink resource grant corresponding transport blocks can be used as a whole. Multiplexing, can also be multiplexed independently;
  • the second priority of the uplink resource grant may also be set according to the UL Grant category, for example: all PDCCHs
  • C-RNTI UL Grant and SPS C-RNTI UL Grant and P Configured UL Grant have high multiplexing priority, and have the same multiplexing between PDCCH C-RNTI UL Grant and SPS C-RNTI UL Grant and P Configured UL Grant Priority; all RAR UL Grants have low multiplexing priority and have the same multiplexing priority between RAR UL Grants; all uplink resource grants in each priority can be reused as a whole or independently Are reused.
  • the method provided in this embodiment when receiving the uplink resource grant allocated by the base station, grouping the uplink resource grant according to the sending moment of the transport block corresponding to each uplink resource grant, determining the multiplexing resource, and multiplexing the data into the grouping.
  • the transmission block corresponding to the uplink resource grant is sent, so that the UE can determine the delay of each uplink resource according to the sending time, and adjust the multiplexing sequence according to the delay that may occur, thereby avoiding the high priority.
  • the delay in data transmission increases. Further, by multiplexing the uplink resources of the same group of multiplex resources according to the multiplexing priority, the timeliness of data transmission is ensured.
  • FIG. 5 is a flowchart of a data sending method according to an embodiment of the present invention.
  • the executor of the embodiment is a UE (User Equipment).
  • the embodiment includes:
  • the first priority-high data to be transmitted is preferentially multiplexed in the second priority-high complex. Sending in a transport block corresponding to the resource;
  • the first priority is a multiplexing priority of the data in the to-be-sent data, and in order to ensure that the delay of the important data is small in the multiplexing process, the data with the higher priority is multiplexed in the QoS relative comparison.
  • the first priority may be set for the data to be sent, and the multiplexing order or the multiplexing priority level may be set for each uplink resource in the multiplexed resource.
  • the sending data includes: preset non-critical data, preset key data or control unit, the first priority of the preset key data or the control unit is higher than the preset non-critical data; or the key data or the control unit can be used only as a pre-predetermined data Set key data and use other data as the default non-critical data.
  • the at least two uplink resource grants include at least two of the following uplink resource grants: PDCCH C-RNTI UL Grant SPS C-RNTI UL Grant RAR UL Grant and Configured UL Grant, the PDCCH Grant and the SPS C-RNTI UL
  • the second priority of the Grant and Configured ULGrant is higher than the second priority of the RAR UL Grant.
  • the RAR UL Grant Since the RAR UL Grant has a large transmission delay, and for the random access in the contention mode, the RAR UL Grant has the risk of competing failure and losing data, so the preset key data or control unit can be selected during the multiplexing process.
  • the BSR MAC CE, the PHR MAC CE, and the like multiplex the transport block corresponding to at least one uplink resource grant among the PDCCH Grants SPS C-RNTI UL Grant and the Configured UL Grant, and preset non-critical data such as C-RNTI or other content. It is multiplexed on the RAR UL Grant, or the preset key data is not carried on the transport block corresponding to the RAR UL Grant.
  • the step 503 may specifically include: sorting each uplink resource grant in the multiplexed resource according to its second priority from high to low, and sequentially repeating the data in the data to be sent according to the first priority from high to low.
  • the data is transmitted in the transport block corresponding to each of the uplink resource grants. For example, the data with the highest priority is multiplexed and sent in the uplink resource grant with the highest priority.
  • the step includes:
  • the preset key data or control unit in the to-be-sent data is multiplexed in the The PDCCH C-RNTI UL Grants SPS C-RNTI UL Grant and the Configured UL Grant are transmitted in a transport block corresponding to at least one uplink resource grant, and the preset non-critical data is multiplexed in the RAR UL Grant. Transmitting in the transport block, or not carrying the preset key data or control unit on the transport block corresponding to the RAR UL Grant;
  • the at least two uplink resource grants include a PDCCH C-RNTI UL Grant and a RAR UL Grant
  • the preset key data or the control unit in the to-be-sent data is multiplexed in the SPS C-RNTI UL Grant. Transmitted in the transport block, and the preset non-critical data is multiplexed and transmitted in the transport block corresponding to the RAR UL Grant, or the preset key data or control unit is not carried in the transport block corresponding to the RAR UL Grant.
  • the preset key data or control unit in the to-be-sent data is multiplexed in a transport block corresponding to the SPS C-RNTI UL Grant. And transmitting the preset non-critical data in the transport block corresponding to the RAR UL Grant, or not carrying the preset key data or control unit on the transport block corresponding to the RAR UL Grant.
  • the method provided in this embodiment when receiving the uplink resource grant allocated by the base station, grouping the uplink resource grant according to the sending moment of the transport block corresponding to each uplink resource grant, determining the multiplexing resource, and multiplexing the data into the grouping.
  • the transmission block corresponding to the uplink resource grant is sent, so that the UE can determine the delay of each uplink resource according to the sending time, and adjust the multiplexing sequence according to the delay that may occur to avoid high priority data transmission.
  • the delay has increased.
  • the multiplexing of the data to be transmitted and the multiplexing priorities of the uplink resource grants in the same group of multiplexing resources are multiplexed, thereby ensuring the security and timeliness of the data with high priority.
  • FIG. 6 is a flowchart of a data sending method according to an embodiment of the present invention.
  • the interaction between the two parties is a UE (User Equipment) and a base station eNodeB (Evolved NodeB, evolved base station).
  • UE User Equipment
  • eNodeB evolved NodeB, evolved base station
  • the UE accesses the network, and establishes an RRC connection with the eNodeB. 602.
  • the eNodeB notifies the UE of the uplink resource information to be used by the UE by using a radio configuration message, such as PUCCH resource information, such as: scheduling request resource information, SRS resource information, SPS resource information, etc.; the wireless configuration message may be RRC (Radio) Resource Control, Radio Resource Control Protocol) message.
  • a radio configuration message such as PUCCH resource information, such as: scheduling request resource information, SRS resource information, SPS resource information, etc.
  • the wireless configuration message may be RRC (Radio) Resource Control, Radio Resource Control Protocol) message.
  • the UE After obtaining the resource information and successfully completing the configuration, the UE sends a success response message to the network. 604. After the eNodeB is configured, the base station allocates a PDCCH C-RNTI UL Grant to the UE by scheduling,
  • the eNodeB further allocates a shared channel uplink resource PUSCH UL Grant, a shared channel downlink assignment (resource) PDSCH Assignment, and the like to the UE.
  • the eNodeB can also allocate a scheduling request resource to the UE in the process.
  • the eNodeB can allocate the uplink reference signal to the UE, for example, in the case that the UE is synchronized with the eNodeB. : SRS (Sounding Reference Signal).
  • the UE may send a resource release indication to the eNodeB, so that the eNodeB sends a resource release command according to the resource release indication. Step request message;
  • the preset duration may be preset by a technician, and is not specifically limited in the embodiment of the present invention.
  • the eNodeB receives the resource release indication sent by the UE, or the eNodeB determines that the UE does not need to send data within the preset duration, or the eNodeB determines that the UE does not need to continue to synchronize with the UE, and the eNodeB sends a resource release command to the UE;
  • the resource release indication may be an out-of-synchronization request message. If the command is a resource release command, the resource release command may carry the specified resource that needs to be released. The resource release command may be a timing out-of-step command.
  • step 605 can be omitted, and in step 606, the eNodeB determines that the UE does not need to send data within the preset duration, and the eNodeB actively sends a resource release command, such as a timing out-of-synchronization command to the UE;
  • the command indicates that the UE timing advance timer expires, or indicates that the UE is out of synchronization, and enters an out-of-synchronization state, and releases or clears all UL Grants and Downlink Assignments, PUCCH resources, scheduling request resources, SRS resources, and clears all HARQs. (Hybrid Automatic Repeat reQuest, mixed automatic retransmission)
  • the UE may be instructed to release a specific resource, such as a PUCCH resource, or a specific type of resource in the PUCCH resource, such as: a scheduling request resource, an SRS resource, and the like.
  • a specific resource such as a PUCCH resource, or a specific type of resource in the PUCCH resource, such as: a scheduling request resource, an SRS resource, and the like.
  • the timing advance timer of all the cells or one cell of a Cell group may be timed out, or the out-of-synchronization state may be indicated, and only all the cells or ones in the group are released.
  • the cell of the cell can be divided into groups according to whether the cell can be divided according to whether it can be shared (Time Advance). That is, the cells that can share the same TA can belong to the same group.
  • Time Advance asynchronous.
  • the UE when the UE sends the uplink data, the UE must be in the synchronization state, and the UE adjusts the timing advance of the uplink transmission by accepting the timing out-of-synchronization command from the eNodeB to ensure synchronization with the base station, and when the UE receives the timing advance adjustment from the eNodeB.
  • the command TA Commnad the UE starts the TA timer Timer, and the UE always considers that it is in the synchronization state before the Timer expires. When the Timer expires, the UE enters the non-synchronization state.
  • a cell group can be configured to enable a base station to configure and activate a plurality of serving cells (Serving Cell) in a carrier aggregation scenario.
  • the base station or the user equipment can share the same uplink timing according to certain rules.
  • To group the serving cells can be configured to enable a base station to configure and activate a plurality of serving cells (Serving Cell) in a carrier aggregation scenario.
  • the base station or the user equipment can share the same uplink timing according to certain rules. To group the serving cells.
  • the UE receives a resource release command from the base station, where the resource release command is used to indicate that the specified resource is released.
  • the specified resource includes at least one of the following resources: an uplink resource grant of the received data channel, and a scheduling of the control channel. Requests resource and control channel uplink reference signal resources.
  • releasing the specified resource specifically includes: the UE timing advance timer expires, or enters an out-of-synchronization state, and releases or clears the designated resource.
  • the specified resource indicated in the resource release command is excluded, and once released, the designated resource does not participate in the subsequent multiplexing process, thereby avoiding unnecessary occupation of the UE. Resources, or data delays that result from multiplexing data on resources that have been released by the base station.
  • the multiplexing resource grouping process after the step 608 includes: combining the uplink resource authorizations received at different times in the at least two uplink resource grants to obtain the multiplexing resources; and the at least two uplink resource grants do not include the Specify the resources;
  • the scope of the packet does not include the specified resource that has been released.
  • the uplink resource when receiving the uplink resource allocated by the base station, the uplink resource is grouped according to the transmission time of the transport block corresponding to each uplink resource, to determine the multiplexed resource, and the data is multiplexed and grouped.
  • the transport block corresponding to the resource is sent, so that the UE can determine the delay of each uplink resource according to the sending time, and adjust the multiplexing sequence according to the delay that may occur, thereby avoiding the delay increase of high priority data transmission.
  • the base station promptly informs the UE to release the expired resource, so that the UL Grant in the resource release command can be excluded during multiplexing, and the UE is prevented from occupying unnecessary resources, or the data is reused in the already-based base. The data delay caused by the resources released by the station.
  • FIG. 7 is a schematic structural diagram of a user equipment according to an embodiment of the present invention.
  • the user equipment can be a terminal capable of communicating with the base station.
  • the user equipment includes:
  • the receiving module 701 is configured to receive at least two uplink resource grants allocated by the base station;
  • the processing module 702 is configured to: combine the uplink resource grants received by the receiving module 701 to receive the multiplexed resources at the same time;
  • the sending module 703 is configured to multiplex the data to be transmitted and multiplexed in the transport block corresponding to the multiplexed resource acquired by the processing module 702.
  • the processing module 702 is specifically configured to: according to the sending moments of the transport blocks corresponding to the at least two uplink resource grants received by the receiving module 701, receive the different moments in the at least two uplink resource grants, and the sending moments are the same.
  • the uplink resource authorization is divided into a group to obtain multiplexing resources.
  • the processing module 702 includes at least one of the following elements:
  • the first sending unit 702a is configured to: according to the first priority of the to-be-sent data and the second priority of the multiplexing resource acquired by the processing module 702, preferentially reset the data to be sent with the first priority Transmitting in a transport block corresponding to the second priority high multiplexing resource;
  • the second sending unit 702b is configured to: according to the second priority of the multiplexing resource acquired by the processing module 702, multiplex the data to be sent in the processing module 702 according to the order of the second priority from high to low.
  • the multiplexing resource corresponding to the transmission block is sent;
  • the first priority is a multiplexing priority of data in the to-be-transmitted data
  • the second priority is a multiplexing priority of each uplink resource authorized in the multiplexing resource.
  • the at least two uplink resource grants include at least two of the following uplink resource grants:
  • the first sending unit 702a is specifically configured to: when the at least two uplink resource grants include the PDCCH
  • the C-RNTI UL Grant, the SPS C-RNTI UL Grant, the Configured ULGrant, and the RAR UL Grant, the multiplexed key data or control unit in the to-be-transmitted data is multiplexed in the PDCCH C-RNTI UL Grant,
  • the first sending unit 702a is further configured to: when the at least two uplink resource grants include a PDCCH C-RNTI UL Grant and a RAR UL Grant, multiplex the preset key data or the control unit in the to-be-sent data Transmitting in the transport block corresponding to the PDCCH C-RNTI UL Grant, and multiplexing the preset non-critical data in the transport block corresponding to the RAR UL Grant, or not the preset key data or control
  • the unit is carried on a transport block corresponding to the RAR UL Grant;
  • the first sending unit 702a is further configured to: when the at least two uplink resource grants include an SPS C-RNTI UL Grant and a RAR UL Grant, multiplex the preset key data or control unit in the to-be-sent data Transmitting in the transport block corresponding to the SPS C-RNTI UL Grant, and multiplexing the preset non-critical data in the transport block corresponding to the RAR UL Grant, or not the preset key data or control
  • the unit is carried on a transport block corresponding to the RAR UL Grant;
  • the first sending unit 702a is further configured to: when the at least two uplink resource grants include a Configured UL Grant and a RAR UL Grant, multiplex the preset key data or control unit in the to-be-sent data in the SPS Transmitting in the transport block corresponding to the C-RNTI UL Grant, and multiplexing the preset non-critical data in the transport block corresponding to the RAR UL Grant, or not carrying the preset key data or control unit RAR UL Grant corresponds to the transport block.
  • the receiving module 701 is further configured to receive a resource release command from a base station, where the resource release command is used to release a specified resource.
  • the user equipment further includes:
  • the resource release module 704 is configured to release the specified resource according to the resource release command received by the receiving module 701.
  • the processing module 702 is specifically configured to combine the uplink resource authorization received at different times in the at least two uplink resource grants received by the receiving module 701 to obtain a multiplexing resource; the at least two uplink resource grants are not included.
  • the specified resource is specifically configured to combine the uplink resource authorization received at different times in the at least two uplink resource grants received by the receiving module 701 to obtain a multiplexing resource; the at least two uplink resource grants are not included.
  • the specified resource is specifically configured to combine the uplink resource authorization received at different times in the at least two uplink resource grants received by the receiving module 701 to obtain a multiplexing resource; the at least two uplink resource grants are not included.
  • the specified resource is specifically configured to combine the uplink resource authorization received at different times in the at least two uplink resource grants received by the receiving module 701 to obtain a multiplexing resource; the at least two uplink resource grants are not included.
  • the user equipment further includes:
  • the release indication sending module 705 is configured to send a resource release indication to the base station when the data is sent, or to determine that the data does not need to be sent within the preset duration, so that the base station sends the resource release command according to the resource release indication.
  • the resource release command is a timing out-of-synchronization command sent by the base station.
  • the resource release module 704 is specifically configured to: according to the resource release command received by the receiving module 701, the timing advance timer expires or enters a loss. Step status, and release or empty the specified resource.
  • the specified resource includes at least one of the following resources:
  • the received uplink resource grant, the scheduling request resource of the control channel, and the uplink reference signal resource of the control channel are provided.
  • the received uplink resource grant may include any one of the following uplink grants: physical downlink control channel cell radio network temporary identifier uplink resource grant PDCCH C-RNTI UL Grant, semi-persistent scheduling cell radio network temporary identifier uplink resource grant SPS C- RNTI UL Grants Random Access Response Upstream Resource Authorization RAR UL Grant and Configure Upstream Resource Authorization Configured UL Grant.
  • the above user equipment is applicable to the Long Term Evolution (LTE) system or the Universal Mobile Telecommunications System (UMTS).
  • LTE Long Term Evolution
  • UMTS Universal Mobile Telecommunications System
  • the user equipment provided in this embodiment is the same as the method embodiment, and the specific implementation process is described in the method embodiment, and details are not described herein again.

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Abstract

本发明公开了一种数据发送方法和用户设备,属于移动通信领域。该方法包括:接收基站分配的至少两份上行资源授权;组合该至少两份上行资源授权中不同时刻接收到的上行资源授权,获取复用资源;将待发送数据复用在该复用资源对应的传输块中发送。该用户设备包括:接收模块、处理模块和发送模块。本发明实施例根据各个上行资源授权所对应的传输块的发送时刻,对上行资源授权进行分组,以确定复用资源,将数据复用分组后的上行资源授权对应的传输块进行发送,使得 UE能够根据发送时刻来判断各个上行资源的延时情况,并根据可能发生的延时调整复用的顺序,避免高优先级数据传输时的延时增加。

Description

数据发送方法和用户设备 本申请要求于 2011年 09月 01 日提交中国专利局、 申请号为 201110256533. 2、 发 明名称为 "数据发送方法和用户设备"的中国专利申请的优先权, 其全部内容通过引用 结合在本申请中。 技术领域 本发明涉及移动通信领域, 特别涉及一种数据发送方法和用户设备。 背景技术 在 LTE (Long Term Evolution, 长期演进) 系统中, 当需要执行一次新传的时候, 在复用 (Multiplexing) 过程中, 需要应用 LCP (Logical Channel Prioritization, 逻辑信 道优先级复用) 过程。 当 UE (User Equipment, 用户设备) 接收到多个上行资源或 UL Grant (Uplink Grant, 上行资源授权), UE可以按照任意的顺序选择复用所接收到的 UL Grant, 通过 LCP过程将所要发送的内容复用在 UL Grant所对应的 TB (Transport Block, 传输块;)上, 并且 UE可以将所要发送的来自逻辑信道的数据和 MAC (Medium Access Control , 介质访问控制) CE (Control Element, 控制单元)承载在任意 TB 上。
在对现有技术进行分析后, 发明人发现现有技术至少具有如下缺点:
如果 UE按照任意顺序处理在同一个 TTI (Transmission Timer Interval, 传输时间间 隔) 所接收到的 UL Grant, 包括 RAR (Random Access Response, 随机接入响应) UL Grant、 PDCCH ( Physical Downlink Control Channel , 物理下行控制信道) C-RNTI (Cell-Radio Network Temporary Identifier, 小区无线网络临时标识) UL Grant禾 P SPS ( Semi -Persistent Scheduling, 半静态调度) C-RNTI UL Grant, 则 UE可能将高优先级 的数据复用在时延比较高的传输块上, 导致高优先级的数据传输时延增加。 发明内容 本发明实施例提供了一种数据发送方法和用户设备。 所述技术方案如下: 一方面, 一种数据发送方法, 包括:
接收基站分配的至少两份上行资源授权;
组合所述至少两份上行资源授权中不同时刻接收到的上行资源授权, 获取复用资 将待发送数据复用在所述复用资源对应的传输块中发送。
另一方面, 一种用户设备, 包括:
接收模块, 用于接收基站分配的至少两份上行资源授权;
处理模块,用于组合所述接收模块接收的至少两份上行资源授权中不同时刻接收到 的上行资源授权, 获取复用资源;
发送模块,用于将待发送数据复用在所述处理模块获取的复用资源对应的传输块中 发送。
本发明实施例提供的技术方案的有益效果是:
通过接收到基站分配的上行资源授权时,根据各个上行资源授权所对应的传输块的 发送时刻, 对上行资源授权进行分组, 以确定复用资源, 将数据复用分组后的上行资源 授权对应的传输块进行发送, 使得 UE能够根据发送时刻来判断各个上行资源的延时情 况, 并根据可能发生的延时调整复用的顺序, 避免高优先级数据传输时的延时增加。 附图说明 为了更清楚地说明本发明实施例或现有技术中的技术方案, 下面将对实施例或现有 技术描述中所需要使用的附图作简单地介绍, 显而易见地, 下面描述中的附图仅仅是本 发明的一些实施例, 对于本领域普通技术人员来讲, 在不付出创造性劳动性的前提下, 还可以根据这些附图获得其他的附图。
图 1是 LTE FDD中上行资源授权接收和发送情况示意图;
图 2是是本发明实施例提供的一种数据发送方法的流程图;
图 3是本发明实施例提供的一种 LTE FDD中上行资源授权接收和发送情况示意图; 图 4是本发明实施例提供的一种数据发送方法的流程图;
图 5是本发明实施例提供的一种数据发送方法的流程图;
图 6是本发明实施例提供的一种数据发送方法的流程图;
图 7是本发明实施例提供的一种用户设备的结构示意图;
图 8是本发明实施例提供的一种用户设备的结构示意图;
图 9是本发明实施例提供的一种用户设备的结构示意图;
图 10是本发明实施例提供的一种用户设备的结构示意图。 具体实施方式 为使本发明的目的、 技术方案和优点更加清楚, 下面将结合附图对本发明实施方式 作进一步地详细描述。
在介绍本发明提供的数据发送方法之前, 首先对本发明的所涉及的基本参数进行简 要的介绍:
在 LTE 系统中, 为了可以让 eNodeB 感知 UE 的上行无线链路的状态, eNodeB 可以为 UE 配置发送上行参考信号 SRS ( Sounding Reference Signal,上行参考信号) 的 上行资源授权, UE在所分配的上行资源授权上发送 SRS。
在载波聚合场景下, UE可以一个发起 RA (Random Access, 随机接入) 过程的 载波或小区上, 通过 RAR接收到 RAR UL Grant, 并且 UE可以同时在其他载波上接 收到来自 PDCCH动态调度获得的 PDCCH C-RNTI UL Grant,或接收到来自 PDCCH动 态调度获得的半静态调度的 SPS C-RNTI UL Grant,或配置上行资源授权 Configured UL Grant。对于 RAR UL Grant,其接收和传输之间存在比较长的时延,如图 1所示, UE在 Cell 1上的 子帧 subframe O 接收到 PDCCH 分配的 UL Grant 1, 对应 PUSCH的发送 在 subframe 4, 而如果 Cell 2 上同时接收到 RAR UL Grant 2, 其对应的 PUSCH发送 在 subframe 6。 而 Configured UL Grant所对应的上行资源授权, 依据 SPS调度激活时 刻和基站配置的规则在后续的子帧中规律的重复出现。 图 2 是本发明实施例提供的一种数据发送方法的流程图。 该实施例的执行主体为 UE (User Equipment, 用户设备), 参见图 2, 该实施例包括:
201、 接收基站分配的至少两份上行资源授权 (UL Grant);
基站可以覆盖一个或多个小区, 而该上行资源授权可以来自同一基站所覆盖的不同 小区,一般地, 该至少两份上行资源授权包括以下上行资源授权中的至少两种: PDCCH C-RNTI UL Grant SPS C-RNTI UL Grant RAR UL Grant禾 P Configured UL Grant,其中, PDCCH C-RNTI UL Grant和 SPS C-RNTI UL Grant可以是接收来自 PDCCH动态调度获 得的, 而 RAR UL Grant可以是 UE发起随机接入过程的基站通过 RAR分配给 UE , Configured UL Grant 可以是在激活半静态调度后用户设备上配置的按照预设规则重复 出现的 UL Grant。
202、 组合所述至少两份上行资源授权中不同时刻接收到的上行资源授权, 获取复 用资源; 在本实施例中, 根据所述至少两份上行资源授权对应的传输块的发送时刻, 将所述 至少两份上行资源授权中不同时刻接收且所述发送时刻相同的上行资源授权分为一组, 获取至少一组复用资源。
本领域技术人员可以获知, 不同类型的上行资源的接收时刻和发送时刻之间的间隔 不同, 因此在本实施例中, 对于 LTE FDD (Frequency Division Duplexing, 频分双工), UE 在 subframe n 时刻接收到的 RAR Grant, 可以与在 subframe n+2 所接收到的 PDCCH C-RNTI UL Grant 组合为同一组复用资源。 例如, 图 3是本发明实施例提供的 一种 LTE FDD中上行资源授权接收和发送情况示意图。 参见图 3, UE在 subframe 0接 收到 Cell 1 的 PDCCH C-RNTI UL Grant 1和 Cell 2的 RAR UL Grant2,该 PDCCH C-RNTI UL Grantl所对应的传输块的发送时刻为 subframe 4; 对于 RAR UL Grant, 由于其接收 和传输之间存在比较长的时延, 该 RAR UL Grant2 所对应的传输块的发送时刻为 subframe 6; 而 UE在 subframe 2接收到来自 Cell 1的 PDCCH C-RNTI UL Grant3 , 该 PDCCH C-RNTI UL Grant3所对应的传输块的发送时刻为 subframe 6, UL Grant 1所对应 的传输块所发送的时刻要先于比 UL Grant 2 所对应的传输块发送的时刻, 虽然 UL Grant 1与 UL Grant 2 被 UE 同时接收,在复用过程中,并不将 UL Grant 1与 UL Grant 2 作为一组复用资源;由于 UL Grant 2 与 UL Grant 3 所对应的传输块所发送的上行时 刻是相同的, 因此, 将发送时刻为 subframe 4的 UL Grant l作为一组复用资源, 将发送 时刻为 subframe 6的 RAR UL Grant2 禾口 PDCCH C-RNTI UL Grant3分为另一组复用资 源, 来执行复用过程;
需要说明的是,该复用资源是指在同一个子帧 subframe或 TTI中需要发送的一个或 多个 UL Grant, 或 UL Grant对应的一个或多个传输块。
203、 将待发送数据复用在所述复用资源对应的传输块中发送。
本领域技术人员可以获知, 该待发送数据的复用与现有技术的具体过程相同, 在此 不再赘述。 以图 3所示例子来说, 该步骤 203具体包括: 将待发送数据分别按照发送时 刻的先后顺序, 复用在 UL Grant 1 所对应的传输块和 UL Grant 2和 UL Grant 3 所对应 的传输块中, 在 subframe 4发送 UL Grant 1 所对应的传输块,并在 subframe 6发送 UL Grant 2和 UL Grant 3 所对应的传输块。
本实施例提供的方法, 通过接收到基站分配的上行资源授权时, 根据各个上行资源 授权所对应的传输块的发送时刻, 对上行资源授权进行分组, 以确定复用资源, 将数据 复用分组后的上行资源授权对应的传输块进行发送, 使得 UE能够根据发送时刻来判断 上行各份上行资源的延时情况, 并根据可能发生的延时调整复用的顺序, 避免高优先级 数据传输时的延时增加。 图 4 是本发明实施例提供的一种数据发送方法的流程图。 该实施例的执行主体为 UE (User Equipment, 用户设备), 参见图 4, 该实施例包括:
401、 接收基站分配的至少两份上行资源授权;
402、 组合所述至少两份上行资源授权中不同时刻接收到的上行资源授权, 获取复 用资源;
上述步骤 401-402的具体实施方式与步骤 201-202相同, 在此不再赘述;
403、 根据复用资源的第二优先级, 按照第二优先级由高到低的顺序, 将待发送数 据复用在复用资源对应的传输块中发送,所述第二优先级为所述用资源中各份上行资源 授权的复用优先级。
在本实施例中, 该至少两份上行资源授权包括: PDCCH C-RNTI UL Grants SPS C-RNTI UL Grant、 Configured UL Grant, 还包括 RAR UL Grant。 对于属于同一组复用 资源中的上行资源授权,或对应同一 TTI 发送的上行资源授权,所述 PDCCH C-RNTI UL Grant和 SPS C-RNTI UL Grants Configured UL Grant的第二优先级高于所述 RAR UL Grant的第二优先级。
在复用过程,按照 PDCCH C-RNTI UL Grants SPS C-RNTI UL Grants Configured UL Grant和 RAR Grant所对应的传输块的复用顺序或复用优先级逐个复用; 例如, PDCCH C-RNTI UL Grant禾 P SPS C-RNTI UL Grant禾 P Configured UL Grant在复用时具有高 优先级的复用, RAR UL Grant的复用优先级较低; 所有的上行资源授权对应的传输块 可以作为一个整体被复用, 也可以分别独立的被复用;
上行资源授权的第二优先级还可以按照 UL Grant 的类别设置,例如:所有 PDCCH
C-RNTI UL Grant和 SPS C-RNTI UL Grant禾 P Configured UL Grant具有高复用优先级, 而在 PDCCH C-RNTI UL Grant和 SPS C-RNTI UL Grant禾 P Configured UL Grant之间具 有相同复用优先级;所有 RAR UL Grant 具有低复用优先级,而在 RAR UL Grant之间 具有相同复用优先级; 每个优先级中的全部上行资源授权可以作为一个整体被复用, 也 可以分别独立的被复用。
本实施例提供的方法, 通过接收到基站分配的上行资源授权时, 根据各个上行资源 授权所对应的传输块的发送时刻, 对上行资源授权进行分组, 以确定复用资源, 将数据 复用分组后的上行资源授权对应的传输块进行发送, 使得 UE能够根据发送时刻来判断 上行各份上行资源的延时情况, 并根据可能发生的延时调整复用的顺序, 避免高优先级 数据传输时的延时增加。 进一步地, 通过对同一组复用资源中各份上行资源授权根据复 用优先级进行复用, 保证了数据发送的时效性。
图 5 是本发明实施例提供的一种数据发送方法的流程图。 该实施例的执行主体为 UE (User Equipment, 用户设备), 参见图 5, 该实施例包括:
501、 接收基站分配的至少两份上行资源授权;
502、 组合所述至少两份上行资源授权中不同时刻接收到的上行资源授权, 获取复 用资源;
上述步骤 501-502的具体实施方式与步骤 201-202相同, 在此不再赘述;
503、 根据所述待发送数据的第一优先级和所述复用资源的第二优先级, 优先将所 述第一优先级高的待发送数据复用在所述第二优先级高的复用资源对应的传输块中发 送;
其中, 所述第一优先级为所述待发送数据中数据的复用优先级, 在复用过程中为了 保证重要数据的延时较小,则将优先级高的数据复用在 QoS相对比较可靠的上行资源授 权对应的传输块上, 可以为待发送数据设置第一优先级, 并为复用资源中的各个上行资 源授权设置复用顺序或复用优先级别, 在本实施例中, 待发送数据中包括: 预设非关键 数据、 预设关键数据或控制单元, 预设关键数据或控制单元的第一优先级高于预设非关 键数据; 也可以只将关键数据或控制单元作为预设关键数据, 而将其他数据作为预设非 关键数据。 而所述至少两份上行资源授权包括以下上行资源授权中的至少两种: PDCCH C-RNTI UL Grant SPS C-RNTI UL Grant RAR UL Grant和 Configured UL Grant, 所述 PDCCH Grant和 SPS C-RNTI UL Grant和 Configured ULGrant的第二优先 级高于所述 RAR UL Grant的第二优先级。
由于 RAR UL Grant 存在发送时延比较大, 而且对于竞争方式的随机接入而言, RAR UL Grant存在竞争失败而丢失数据的风险, 因此在复用过程中可以选择将预设关 键数据或控制单元如 BSR MAC CE、PHR MAC CE等复用在 PDCCH Grants SPS C-RNTI UL Grant、 Configured UL Grant之中至少一个上行资源授权对应的传输块, 而将预设非 关键数据如 C-RNTI或其他内容复用在 RAR UL Grant 上, 或不将预设关键数据承载在 RAR UL Grant对应的传输块上。
该步骤 503具体可以包括: 将复用资源中的各份上行资源授权按照其第二优先级从 高到低排序,将待发送数据中的数据根据第一优先级从高到低的顺序依次复用在所述各 份上行资源授权对应的传输块中发送, 例如, 将第一优先级最高的数据复用在第二优先 级最高的上行资源授权中发送。 具体地, 针对上行资源授权的组成, 该步骤包括:
当所述至少两份上行资源授权包括 PDCCH C-RNTI UL Grants SPS C-RNTI UL Grant、 Configured ULGrant和 RAR UL Grant, 则将所述待发送数据中的预设关键数据 或控制单元复用在所述 PDCCH C-RNTI UL Grants SPS C-RNTI UL Grant和 Configured UL Grant之中至少一份上行资源授权所对应的传输块中发送,并将预设非关键数据复用 在所述 RAR UL Grant所对应的传输块中发送, 或不将所述预设关键数据或控制单元承 载在 RAR UL Grant对应的传输块上;
当所述至少两份上行资源授权包括 PDCCH C-RNTI UL Grant和 RAR UL Grant, 则 将所述待发送数据中的预设关键数据或控制单元复用在所述 PDCCH C-RNTI UL Grant 所对应的传输块中发送, 并将预设非关键数据复用在所述 RAR UL Grant所对应的传输 块中发送, 或不将所述预设关键数据或控制单元承载在 RAR UL Grant 对应的传输块 上;
当所述至少两份上行资源授权包括 SPS C-RNTI UL Grant和 RAR UL Grant,则将所 述待发送数据中的预设关键数据或控制单元复用在所述 SPS C-RNTI UL Grant所对应的 传输块中发送,并将预设非关键数据复用在所述 RAR UL Grant所对应的传输块中发送, 或不将所述预设关键数据或控制单元承载在 RAR UL Grant对应的传输块上;
当所述至少两份上行资源授权包括 Configured UL Grant和 RAR UL Grant, 则将所 述待发送数据中的预设关键数据或控制单元复用在所述 SPS C-RNTI UL Grant所对应的 传输块中发送,并将预设非关键数据复用在所述 RAR UL Grant所对应的传输块中发送, 或不将所述预设关键数据或控制单元承载在 RAR UL Grant对应的传输块上。
本实施例提供的方法, 通过接收到基站分配的上行资源授权时, 根据各个上行资源 授权所对应的传输块的发送时刻, 对上行资源授权进行分组, 以确定复用资源, 将数据 复用分组后的上行资源授权对应的传输块进行发送, 使得 UE能够根据发送时刻来判断 上行各份上行资源的延时情况, 并根据可能发生的延时调整复用的顺序, 避免高优先级 数据传输时的延时增加。 进一步地, 通过对待发送数据的复用有衔接和同一组复用资源 中各份上行资源授权的复用优先级进行复用, 保证了优先级高的数据的安全性和时效 性。
图 6 是本发明实施例提供的一种数据发送方法的流程图。 该实施例的交互双方为 UE (User Equipment, 用户设备) 和基站 eNodeB (Evolved NodeB , 演进基站), 参见 图 6, 该实施例包括:
601、 UE接入网络, 并与 eNodeB 建立 RRC连接; 602、 eNodeB通过无线配置消息, 将 UE所要使用的上行资源信息通知给 UE, 比 如 PUCCH 资源信息、 比如: 调度请求资源信息、 SRS资源信息、 SPS 资源信息等; 该无线配置消息可以为 RRC ( Radio Resource Control, 无线资源控制协议) 消息。
603、 UE在获得资源信息, 并成功完成配置后, 发送成功响应消息给网络; 604、 eNodeB 在配置完成后, 基站通过调度为 UE分配 PDCCH C-RNTI UL Grant、
SPS C-RNTI UL Grants Configured UL Grant中至少一份上行资源授权;
本领域技术人员可以获知, 在该分配的过程中, eNodeB还为 UE分配了共享信道 上行资源 PUSCH UL Grant, 共享信道下行指派 (资源) PDSCH Assignment等, 在 UE 与 eNodeB 同步的情况下, eNodeB 为了辅助 UE 发起资源请求, 在该过程中 eNodeB 还可以为 UE 分配调度请求资源; eNodeB 为了对 UE信道质量进行测量, 在 UE 与 eNodeB 同步的情况下, eNodeB可以为 UE 分配上行参考信号发送资源, 比 如: SRS ( Sounding Reference Signal, 监听参考信号)。
605、当用户设备发送数据完毕,或判断在预设时长内部不需要发送数据,则 UE可 以发送资源释放指示给 eNodeB , 使得 eNodeB根据资源释放指示发送资源释放命令; 该资源释放指示, 可以为失步请求消息;
该预设时长可以由技术人员预设, 本发明实施例不做具体限定。
606、 eNodeB 接收到 UE所发送的资源释放指示,或 eNodeB判断 UE在预设时长 内不会有数据需要发送, 或 eNodeB判断不需要继续与 UE保持同步, eNodeB发送资 源释放命令给 UE;
该资源释放指示可以为失步请求消息, 如果该命令为资源释放命令, 则该资源释放 命令中可以携带需要释放的指定资源。 其中, 该资源释放命令可以为定时失步命令。
需要说明的是, 步骤 605可以省略, 而直接在步骤 606中由 eNodeB判断 UE在预 设时长内不会有数据需要发送, eNodeB主动发送资源释放命令如定时失步命令给 UE; 该定时失步命令以指示 UE 定时提前定时器超时, 或指示 UE失步, 而进入失步状 态, 并释放或清空所有 UL Grant和下行指派 (Downlink Assignment )、 PUCCH 资源、 调度请求资源、 SRS 资源, 清空所有 HARQ (Hybrid Automatic Repeat reQuest, 混合 自动重传) buffer;
或, 可以指示 UE释放特定的资源, 比如 PUCCH 资源, 或 PUCCH 资源中特定 类型的资源, 比如: 调度请求资源、 SRS 资源等。
或在配置了多个服务小区时,可以指示一个 Cell 组的全部 Cell 或一个 Cell 的定 时提前定时器超时, 或指示进入失步状态, 进而只是释放该组中的全部 Cell 或一个 Cell 的资源; Cell 组可以按照 Band划分, 或依据是否能共享 TA (Time Advance, 定 时提前) 划分, 即可以共享相同 TA的 Cell可以属于同一个组; 本领域技术人员可以 获知, LTE 为非同步系统, 当 UE 发送上行数据时, UE必须处于同步状态, UE通过 接受来自 eNodeB的定时失步命令, 调整上行发送的定时提前, 来保证与基站的同步, 当 UE接收到来自 eNodeB 的定时提前调整命令 TA Commnad, UE启动 TA定时器 Timer, 在该 Timer超时之前, UE始终认为其处于同步状态, 当该 Timer超时之后, UE 进入非同步状态。
本领域技术人员可以获知, Cell组是指在载波聚合场景下, 基站可以为用户设备配 置、 激活多个服务小区 (Serving Cell), 基站或用户设备可以按照一定规则, 比如共享 相同的上行定时, 来为服务小区进行分组。
607、 UE接收来自基站的资源释放命令,所述资源释放命令用于指示释放指定资源; 其中, 所述指定资源包括以下至少一种资源: 接收到的数据信道的上行资源授权、 控制信道的调度请求资源和控制信道的上行参考信号资源。
608、 释放所述指定资源。
具体地, 当资源释放命令是定时失步命令时, 释放所述指定资源具体包括: UE定 时提前定时器超时, 或进入失步状态, 并释放或清空指定资源。
在本实施例中, 当 UE接收到资源释放命令时, 即排除该资源释放命令中指示的指 定资源, 一旦释放, 该指定资源即不会参与后续的复用过程, 避免了 UE占用不必要的 资源, 或是将数据复用在已经被基站释放的资源上会导致的数据延时。
相应地, 该步骤 608后的复用资源分组过程包括: 组合所述至少两份上行资源授权 中不同时刻接收到的上行资源授权, 获取复用资源; 所述至少两份上行资源授权不包括 所述指定资源;
在分组过程中, 分组的范围已不包括已经释放的指定资源。
需要说明的是, 本发明提供的上述实施例适用于 LTE 系统或 UMTS (Universal Mobile Telecommunications System, 通用移云力通信系统) 系统。
本实施例提供的方法, 通过接收到基站分配的上行资源时, 根据各个上行资源所对 应的传输块的发送时刻, 对上行资源进行分组, 以确定复用资源, 将数据复用分组后的 上行资源对应的传输块进行发送, 使得 UE能够根据发送时刻来判断上行各个上行资源 的延时情况, 并根据可能发生的延时调整复用的顺序, 避免高优先级数据传输时的延时 增加。 进一步地, 通过基站及时通知 UE释放已失效资源, 使得在复用时能够排除该资 源释放命令中的 UL Grant, 避免了 UE占用不必要的资源, 或是将数据复用在已经被基 站释放的资源上会导致的数据延时。
图 7是本发明实施例提供的一种用户设备的结构示意图。该用户设备可以为能够与 基站进行通信的终端。 参见图 7, 该用户设备包括:
接收模块 701, 用于接收基站分配的至少两份上行资源授权;
处理模块 702, 用于用于组合所述接收模块 701接收的至少两份上行资源授权中不 同时刻接收到的上行资源授权, 获取复用资源;
发送模块 703, 用于将待发送数据复用在所述处理模块 702获取的复用资源对应的 传输块中发送。
所述处理模块 702具体用于根据所述接收模块 701接收的至少两份上行资源授权对 应的传输块的发送时刻,将所述至少两份上行资源授权中不同时刻接收且所述发送时刻 相同的上行资源授权分为一组, 获取复用资源。
参见图 8, 所述处理模块 702包括以下单元中的至少一个:
第一发送单元 702a, 用于根据所述待发送数据的第一优先级和所述处理模块 702 获取的复用资源的第二优先级,优先将所述第一优先级高的待发送数据复用在所述第二 优先级高的复用资源对应的传输块中发送;
第二发送单元 702b,用于根据所述处理模块 702获取的复用资源的第二优先级,按 照第二优先级由高到低的顺序,将待发送数据复用在所述处理模块 702获取的复用资源 对应的传输块中发送;
其中, 所述第一优先级为所述待发送数据中数据的复用优先级, 所述第二优先级为 所述复用资源中各份上行资源授权的复用优先级。
所述至少两份上行资源授权包括以下上行资源授权中的至少两种:
物理下行控制信道小区无线网络临时标识上行资源授权 PDCCH C-RNTI UL Grants 半静态调度小区无线网络临时标识上行资源授权 SPS C-RNTI UL Grant, 随机接入响应 上行资源授权 RAR UL Grant和配置上行资源授权 Configured UL Grant, 所述 PDCCH C-RNTI UL Grants SPS C-RNTI UL Grant和 Configured UL Grant的第二优先级高于所述
RAR UL Grant的第二优先级。
当待发送数据中的预设关键数据或控制单元的第一优先级高于预设非关键数据, 所述第一发送单元 702a 具体用于当所述至少两份上行资源授权包括 PDCCH
C-RNTI UL Grant、 SPS C-RNTI UL Grant、 Configured ULGrant和 RAR UL Grant, 则将 所述待发送数据中的预设关键数据或控制单元复用在所述 PDCCH C-RNTI UL Grant,
SPS C-RNTI UL Grant和 Configured UL Grant之中至少一份上行资源授权所对应的传输 块中发送, 并将预设非关键数据复用在所述 RAR UL Grant所对应的传输块中发送, 或 不将所述预设关键数据或控制单元承载在 RAR UL Grant对应的传输块上;
所述第一发送单元 702a还用于当所述至少两份上行资源授权包括 PDCCH C-RNTI UL Grant和 RAR UL Grant, 则将所述待发送数据中的预设关键数据或控制单元复用在 所述 PDCCH C-RNTI UL Grant所对应的传输块中发送, 并将预设非关键数据复用在所 述 RAR UL Grant所对应的传输块中发送, 或不将所述预设关键数据或控制单元承载在 RAR UL Grant对应的传输块上;
所述第一发送单元 702a还用于当所述至少两份上行资源授权包括 SPS C-RNTI UL Grant和 RAR UL Grant, 则将所述待发送数据中的预设关键数据或控制单元复用在所述 SPS C-RNTI UL Grant所对应的传输块中发送,并将预设非关键数据复用在所述 RAR UL Grant 所对应的传输块中发送, 或不将所述预设关键数据或控制单元承载在 RAR UL Grant对应的传输块上;
所述第一发送单元 702a还用于当所述至少两份上行资源授权包括 Configured UL Grant和 RAR UL Grant, 则将所述待发送数据中的预设关键数据或控制单元复用在所述 SPS C-RNTI UL Grant所对应的传输块中发送,并将预设非关键数据复用在所述 RAR UL Grant 所对应的传输块中发送, 或不将所述预设关键数据或控制单元承载在 RAR UL Grant对应的传输块上。
所述接收模块 701还用于接收来自基站的资源释放命令,所述资源释放命令用于释 放指定资源;
相应地, 参见图 9, 所述用户设备还包括:
资源释放模块 704, 用于根据所述接收模块 701接收到的资源释放命令, 释放所述 指定资源。
相应地,所述处理模块 702具体用于组合所述接收模块 701接收的至少两份上行资 源授权中不同时刻接收到的上行资源授权, 获取复用资源; 所述至少两份上行资源授权 不包括所述指定资源。
参见图 10, 所述用户设备还包括:
释放指示发送模块 705, 用于当发送数据完毕, 或判断在预设时长内不需要发送数 据, 则发送资源释放指示给基站, 使得所述基站根据所述资源释放指示发送所述资源释 放命令。
所述资源释放命令为基站发送的的定时失步命令。,相应地,所述资源释放模块 704 具体用于根据所述接收模块 701接收到的资源释放命令, 定时提前定时器超时或进入失 步状态, 并释放或清空指定资源。
所述指定资源包括以下至少一种资源:
接收到的上行资源授权、 控制信道的调度请求资源和控制信道的上行参考信号资 源。
该接收到的上行资源授权可以包括以下上行授权的任意一种: 物理下行控制信道小 区无线网络临时标识上行资源授权 PDCCH C-RNTI UL Grant,半静态调度小区无线网络 临时标识上行资源授权 SPS C-RNTI UL Grants 随机接入响应上行资源授权 RAR UL Grant和配置上行资源授权 Configured UL Grant。
上述用户设备, 适用于长期演进系统 LTE或通用移动通信系统 UMTS。
本实施例提供的用户设备, 与方法实施例属于同一构思, 其具体实现过程详见方法 实施例, 这里不再赘述。
本领域普通技术人员可以理解实现上述实施例的全部或部分步骤可以通过硬件来 完成, 也可以通过程序来指令相关的硬件完成, 所述的程序可以存储于一种计算机可读 存储介质中, 上述提到的存储介质可以是只读存储器, 磁盘或光盘等。 以上所述仅为本发明的较佳实施例, 并不用以限制本发明, 凡在本发明的精神和原 则之内, 所作的任何修改、 等同替换、 改进等, 均应包含在本发明的保护范围之内。

Claims

权利要求
1、 一种数据发送方法, 其特征在于, 包括:
接收基站分配的至少两份上行资源授权;
组合所述至少两份上行资源授权中不同时刻接收到的上行资源授权, 获取复用资 源;
将待发送数据复用在所述复用资源对应的传输块中发送。
2、 根据权利要求 1所述的方法, 其特征在于, 组合所述至少两份上行资源授权中 不同时刻接收到的上行资源授权, 获取复用资源, 具体包括:
根据所述至少两份上行资源授权对应的传输块的发送时刻,将所述至少两份上行资 源授权中不同时刻接收且所述发送时刻相同的上行资源授权分为一组, 获取复用资源。
3、 根据权利要求 1或 2所述的方法, 其特征在于, 将待发送数据复用在所述复用 资源对应的传输块中发送, 具体包括:
根据所述待发送数据的第一优先级和所述复用资源的第二优先级,优先将所述第一 优先级高的待发送数据复用在所述第二优先级高的复用资源对应的传输块中发送; 或,
根据复用资源的第二优先级, 按照第二优先级由高到低的顺序, 将待发送数据复用 在所述复用资源对应的传输块中发送;
其中, 所述第一优先级为所述待发送数据中数据的复用优先级, 所述第二优先级为 所述复用资源中各份上行资源授权的复用优先级。
4、 根据权利要求 3所述的方法, 其特征在于, 所述至少两份上行资源授权包括以 下上行资源授权中的至少两种:
物理下行控制信道小区无线网络临时标识上行资源授权 PDCCH C-RNTI UL Grants 半静态调度小区无线网络临时标识上行资源授权 SPS C-RNTI UL Grant, 随机接入响应 上行资源授权 RAR UL Grant和配置上行资源授权 Configured UL Grant, 所述 PDCCH C-RNTI UL Grants SPS C-RNTI UL Grant和 Configured UL Grant的第二优先级高于所述 RAR UL Grant的第二优先级。
5、 根据权利要求 4所述的方法, 其特征在于, 待发送数据中的预设关键数据或控 制单元的第一优先级高于预设非关键数据,所述根据所述待发送数据的第一优先级和所 述复用资源的第二优先级,优先将所述第一优先级高的待发送数据复用在所述第二优先 级高的复用资源对应的传输块中发送, 具体包括:
当所述至少两份上行资源授权包括 PDCCH C-RNTI UL Grants SPS C-RNTI UL Grant、 Configured ULGrant和 RAR UL Grant, 则将所述待发送数据中的预设关键数据 或控制单元复用在所述 PDCCH C-RNTI UL Grants SPS C-RNTI UL Grant和 Configured UL Grant之中至少一份上行资源授权所对应的传输块中发送,并将预设非关键数据复用 在所述 RAR UL Grant所对应的传输块中发送, 或不将所述预设关键数据或控制单元承 载在 RAR UL Grant对应的传输块上;
当所述至少两份上行资源授权包括 PDCCH C-RNTI UL Grant和 RAR UL Grant, 则 将所述待发送数据中的预设关键数据或控制单元复用在所述 PDCCH C-RNTI UL Grant 所对应的传输块中发送, 并将预设非关键数据复用在所述 RAR UL Grant所对应的传输 块中发送, 或不将所述预设关键数据或控制单元承载在 RAR UL Grant 对应的传输块 上;
当所述至少两份上行资源授权包括 SPS C-RNTI UL Grant和 RAR UL Grant,则将所 述待发送数据中的预设关键数据或控制单元复用在所述 SPS C-RNTI UL Grant所对应的 传输块中发送,并将预设非关键数据复用在所述 RAR UL Grant所对应的传输块中发送, 或不将所述预设关键数据或控制单元承载在 RAR UL Grant对应的传输块上;
当所述至少两份上行资源授权包括 Configured UL Grant和 RAR UL Grant, 则将所 述待发送数据中的预设关键数据或控制单元复用在所述 SPS C-RNTI UL Grant所对应的 传输块中发送,并将预设非关键数据复用在所述 RAR UL Grant所对应的传输块中发送, 或不将所述预设关键数据或控制单元承载在 RAR UL Grant对应的传输块上。
6、 根据权利要求 1所述的方法, 其特征在于, 所述方法还包括:
接收来自基站的资源释放命令, 所述资源释放命令用于指示释放指定资源; 释放所述指定资源;
所述组合所述至少两份上行资源授权中不同时刻接收到的上行资源授权, 获取复用 资源, 具体包括:
组合所述至少两份上行资源授权中不同时刻接收到的上行资源授权, 获取复用资 源; 所述至少两份上行资源授权不包括所述指定资源。
7、 根据权利要求 6所述的方法, 其特征在于, 接收来自基站的资源释放命令, 之 前包括:
当发送数据完毕, 或判断在预设时长内不需要发送数据, 则发送资源释放指示给基 站, 使得所述基站根据所述资源释放指示发送所述资源释放命令。
8、 根据权利要求 6所述的方法, 其特征在于, 所述资源释放命令为基站发送的的 定时失步命令, 相应地, 释放所述指定资源, 具体包括:
定时提前定时器超时或进入失步状态, 并释放或清空指定资源。
9、 根据权利要求 6所述的方法, 其特征在于, 所述指定资源包括以下至少一种资 源:
接收到的上行资源授权 UL Grant,控制信道的调度请求资源和控制信道的上行参考 信号资源。
10、 根据权利要求 1-9任一项所述的方法, 其特征在于, 所述适用于长期演进系统 LTE或通用移动通信系统 UMTS。
11、 一种用户设备, 其特征在于, 包括:
接收模块, 用于接收基站分配的至少两份上行资源授权;
处理模块,用于组合所述接收模块接收的至少两份上行资源授权中不同时刻接收到 的上行资源授权, 获取复用资源;
发送模块,用于将待发送数据复用在所述处理模块获取的复用资源对应的传输块中 发送。
12、 根据权利要求 11 所述的用户设备, 其特征在于, 所述处理模块具体用于根据 所述接收模块接收的至少两份上行资源授权对应的传输块的发送时刻,将所述至少两份 上行资源授权中不同时刻接收且所述发送时刻相同的上行资源授权分为一组, 获取复用
13、 根据权利要求 11或 12所述的用户设备, 其特征在于, 所述发送模块包括以下 单元中的至少一个: 第一发送单元,用于根据所述待发送数据的第一优先级和所述处理模块获取的复用 资源的第二优先级,优先将所述第一优先级高的待发送数据复用在所述第二优先级高的 复用资源对应的传输块中发送;
第二发送单元, 用于根据所述处理模块获取的复用资源的第二优先级, 按照第二优 先级由高到低的顺序,将待发送数据复用在所述处理模块获取的复用资源对应的传输块 中发送;
其中, 所述第一优先级为所述待发送数据中数据的复用优先级, 所述第二优先级为 所述复用资源中各份上行资源授权的复用优先级。
14、 根据权利要求 13所述的用户设备, 其特征在于, 所述至少两份上行资源授权 包括以下上行资源授权中的至少两种:
物理下行控制信道小区无线网络临时标识上行资源授权 PDCCH C-RNTI UL Grants 半静态调度小区无线网络临时标识上行资源授权 SPS C-RNTI UL Grant, 随机接入响应 上行资源授权 RAR UL Grant和配置上行资源授权 Configured UL Grant, 所述 PDCCH C-RNTI UL Grants SPS C-RNTI UL Grant和 Configured UL Grant的第二优先级高于所述
RAR UL Grant的第二优先级。
15、 根据权利要求 14所述的用户设备, 其特征在于, 待发送数据中的预设关键数 据或控制单元的第一优先级高于预设非关键数据,
所述第一发送单元具体用于当所述至少两份上行资源授权包括 PDCCH C-RNTI UL
Grants SPS C-RNTI UL Grant、 Configured ULGrant和 RAR UL Grant, 则将所述待发送 数据中的预设关键数据或控制单元复用在所述 PDCCH C-RNTI UL Grants SPS C-RNTI UL Grant和 Configured UL Grant之中至少一份上行资源授权所对应的传输块中发送,并 将预设非关键数据复用在所述 RAR UL Grant所对应的传输块中发送, 或不将所述预设 关键数据或控制单元承载在 RAR UL Grant对应的传输块上;
所述第一发送单元还用于当所述至少两份上行资源授权包括 PDCCH C-RNTI UL Grant和 RAR UL Grant, 则将所述待发送数据中的预设关键数据或控制单元复用在所述 PDCCH C-RNTI UL Grant所对应的传输块中发送,并将预设非关键数据复用在所述 RAR UL Grant所对应的传输块中发送,或不将所述预设关键数据或控制单元承载在 RAR UL Grant对应的传输块上;
所述第一发送单元还用于当所述至少两份上行资源授权包括 SPS C-RNTI UL Grant 和 RAR UL Grant, 则将所述待发送数据中的预设关键数据或控制单元复用在所述 SPS C-RNTI UL Grant所对应的传输块中发送, 并将预设非关键数据复用在所述 RAR UL Grant 所对应的传输块中发送, 或不将所述预设关键数据或控制单元承载在 RAR UL Grant对应的传输块上;
所述第一发送单元还用于当所述至少两份上行资源授权包括 Configured UL Grant 和 RAR UL Grant, 则将所述待发送数据中的预设关键数据或控制单元复用在所述 SPS C-RNTI UL Grant所对应的传输块中发送, 并将预设非关键数据复用在所述 RAR UL Grant 所对应的传输块中发送, 或不将所述预设关键数据或控制单元承载在 RAR UL Grant对应的传输块上。
16、 根据权利要求 11 所述的用户设备, 其特征在于, 所述接收模块还用于接收来 自基站的资源释放命令, 所述资源释放命令用于指示释放指定资源;
所述用户设备还包括:
资源释放模块,用于根据所述接收模块接收到的资源释放命令,释放所述指定资源; 所述处理模块具体用于组合所述接收模块接收的至少两份上行资源授权中不同时 刻接收到的上行资源授权, 获取复用资源; 所述至少两份上行资源授权不包括所述指定 资源。
17、 根据权利要求 16所述的用户设备, 其特征在于, 所述用户设备还包括: 释放指示发送模块, 用于当发送数据完毕, 或判断在预设时长内不需要发送数据, 则发送资源释放指示给基站, 使得所述基站根据所述资源释放指示发送所述资源释放命 令。
18、 根据权利要求 16所述的用户设备, 其特征在于, 所述资源释放命令为基站发 送的的定时失步命令, 相应地, 所述资源释放模块具体用于根据所述接收模块接收到的 资源释放命令, 定时提前定时器超时或进入失步状态, 并释放或清空指定资源。
19、 根据权利要求 16所述的用户设备, 其特征在于, 所述指定资源包括以下至少 一种资源:
接收到的上行资源授权 UL Grant,控制信道的调度请求资源和控制信道的上行参考 信号资源。
20、 根据权利要求 11-19任一项所述的用户设备, 其特征在于, 所述适用于长期演 进系统 LTE或通用移动通信系统 UMTS。
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