WO2019029706A1 - 一种信息发送、信息接收方法及装置 - Google Patents

一种信息发送、信息接收方法及装置 Download PDF

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Publication number
WO2019029706A1
WO2019029706A1 PCT/CN2018/099981 CN2018099981W WO2019029706A1 WO 2019029706 A1 WO2019029706 A1 WO 2019029706A1 CN 2018099981 W CN2018099981 W CN 2018099981W WO 2019029706 A1 WO2019029706 A1 WO 2019029706A1
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Prior art keywords
random access
uplink carrier
carrier
resource
identifier
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English (en)
French (fr)
Inventor
谢信乾
郭志恒
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to EP18844703.1A priority Critical patent/EP3637932B1/en
Priority to ES18844703T priority patent/ES2896676T3/es
Publication of WO2019029706A1 publication Critical patent/WO2019029706A1/zh
Priority to US16/697,872 priority patent/US11122630B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/11—Allocation or use of connection identifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1215—Wireless traffic scheduling for collaboration of different radio technologies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H04W74/006—Transmission of channel access control information in the downlink, i.e. towards the terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/02—Hybrid access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/22—Arrangements affording multiple use of the transmission path using time-division multiplexing

Definitions

  • the present application relates to the field of wireless communications technologies, and in particular, to a method for transmitting information and receiving information.
  • LTE long term evolution
  • NR 5G new radio interface
  • LTE systems are typically deployed on a frequency band of 1.8 GHz.
  • the NR system is currently most likely to be deployed in a frequency band of 3.5 GHz. Since the carrier frequency is higher in the wireless communication system, the path loss is larger, so that the coverage of the NR system on the frequency band F of 3.5 GHz is smaller than that on the frequency band of 1.8 GHz.
  • the network device of the NR system can adopt a beam forming technology based on a large-scale antenna to improve the coverage of the downlink transmission, but the number of antennas that can be equipped is much smaller than that of the base station due to limitations of the size and capability of the terminal device.
  • the number of antennas that can be equipped cannot achieve the uplink coverage capability of the same coverage capability as the downlink by the beamforming technology, so that the coverage of the terminal equipment of the NR system in the uplink direction is relatively small in the frequency band of 3.5 GHz. Unable to match the coverage of the network device in the downstream direction. If the coverage in the upstream direction is to be guaranteed, the uplink transmission rate will be limited.
  • the uplink carrier of the NR system can be deployed in the uplink frequency band of the LTE system, that is, the uplink frequency band of the frequency of 1.8 GHz to enhance the NR system.
  • the NR system and the LTE system are simultaneously present on the uplink frequency band of the frequency of 1.8 GHz, that is, the NR system and the LTE system share the uplink frequency band of the frequency of 1.8 GHz.
  • the base station configures a plurality of resources for the terminal device to perform random access for the terminal device.
  • resources may be referred to as physical random access channel (PRACH) resources.
  • PRACH resource includes a time domain resource including one or more subframes of one radio frame, and a frequency domain resource including one or more consecutive resource blocks in the frequency domain.
  • the steps for the terminal device to access the LTE system are as follows:
  • Step A The terminal device may select one PRACH resource among multiple PRACH resources configured by the base station, and use the PRACH resource to send a random preamble sequence (preamble).
  • Step B After receiving the preamble, the base station feeds back a random access response (RAR) to the terminal device.
  • RAR random access response
  • Step C The terminal device identifies, according to the terminal identifier carried in the received RAR, for example, whether the random access-radio network temporary identity (RA-RNTI) is the RA-RNTI of the terminal device. Whether the RAR is the RAR sent to the terminal device, so as to confirm whether the preamble sent by the terminal device is correctly received by the base station, thereby determining whether the subsequent access procedure can be continued.
  • RA-RNTI random access-radio network temporary identity
  • the RA-RNTI is usually calculated using the following formula (1).
  • RA-RNTI 1+t_id+10*f_id (1)
  • the t_id is related to the PRACH time domain resource used by the terminal device to send the preamble, and may be the sequence number of the first subframe occupied by the PRACH time domain resource, and the f_id is related to the PRACH frequency domain resource used by the terminal device to send the Preamble. Specifically, it may be a frequency domain resource sequence number of the PRACH frequency domain resource in the first subframe.
  • the terminal device may select one uplink carrier on the frequency band of 1.8 GHz and 3.5 GHz to transmit a preamble to the network device of the NR system for random access.
  • the network device of the NR system the network device can only send the RAR to the terminal device through the downlink carrier with a frequency of 3.5 GHz.
  • one terminal device selects to transmit a preamble on an uplink carrier in a frequency band of 1.8 GHz, and another terminal device selects to transmit a preamble on an uplink carrier in a frequency band of 3.5 GHz, If the sequence numbers of the PRACH time-frequency resources used by the two terminal devices are the same, that is, the t_id and the f_id are the same, the RA-RNTIs calculated by the two terminal devices are the same. Similarly, the RA-RNTI calculated by the network device for the two terminal devices is also the same, that is, the RA-RNTI in the RAR that the network device sends to the two terminal devices is the same.
  • the two terminal devices cannot correctly identify whether the received RAR is the RAR transmitted to the local terminal device through the RA-RNTI.
  • the RAR sent by the base station to the two terminal devices uses the same downlink carrier with the frequency of 3.5 GHz. Therefore, the two terminal devices cannot correctly identify whether the received RAR is sent to the terminal through the downlink carrier.
  • the RAR of the device is the same downlink carrier with the frequency of 3.5 GHz. Therefore, the two terminal devices cannot correctly identify whether the received RAR is sent to the terminal through the downlink carrier. The RAR of the device.
  • the preamble sent by the first terminal device of the two terminal devices is not correctly received by the network device, the preamble sent by the second terminal device is correctly received by the network device.
  • the base station only sends the preamble to the second terminal device.
  • Send RAR since the RA-RNTIs of the two terminal devices are the same, both terminal devices consider that the preamble of the terminal device is correctly received by the network device according to the RA-RNTI. This obviously causes an erroneous judgment of the first terminal device, and an error occurs when the first terminal device continues to perform the subsequent access procedure.
  • the first terminal device does not perform the step of resending the preamble, but sends the erroneously.
  • the message 3 of the subsequent access process affects the random access performance of the first terminal device.
  • the first terminal device incorrectly transmits the message 3, and may also affect the normal transmission of the message 3 of the second terminal device.
  • the embodiment of the present application provides an information sending and information receiving method, so that the terminal device can correctly receive the random access response sent by the network device.
  • an embodiment of the present application provides a method for sending information, where the method includes:
  • the network device receives the random access signal of the terminal device from the terminal device on a random access resource, where the random access resource is on the first uplink carrier or the second uplink carrier, the first uplink carrier and the second The uplink carrier corresponds to the same downlink carrier;
  • a random access identifier corresponding to the random access resource, where the random access identifier determined by the random access resource in the first uplink carrier is a first random access identifier, and the random access The random access identifier determined when the resource is in the second uplink carrier is a second random access identifier, where the first random access identifier is different from the second random access identifier;
  • the network device generates a random access response according to the determined random access identifier, and sends the random access response including the random access identifier to the terminal device by using the downlink carrier.
  • the random access identifier determined by the terminal device and the network device according to the first random access resource does not interfere with other random accesses.
  • the identification is repeated, so the terminal device can correctly receive the RAR sent to the terminal device from the network device according to the random access identifier, thereby preventing the terminal device from erroneously receiving the RAR of the other terminal device, thereby avoiding the terminal device being faulty. Receiving RAR to affect random access performance.
  • the method before the network device receives the random access signal, the method further includes:
  • the network device sends configuration information to the terminal device, where the configuration information is used to indicate an identifier of a target uplink carrier, where the target uplink carrier includes one or more carriers that the terminal device can send a random access signal, where The identifier of the target uplink carrier includes a carrier index of the target uplink carrier, and the target uplink carrier includes the first uplink carrier and the second uplink carrier.
  • an embodiment of the present application provides a method for receiving information, where the method includes:
  • the terminal device sends a random access signal to the network device on a random access resource, where the random access resource is on the first uplink carrier or the second uplink carrier, and the first uplink carrier and the second uplink carrier correspond to Same downlink carrier;
  • Determining, by the terminal device, a random access identifier corresponding to the random access resource, and the random access identifier determined by the random access resource in the first uplink carrier is a first random access identifier, and the random access The random access identifier determined when the resource is in the second uplink carrier is a second random access identifier, where the first random access identifier is different from the second random access identifier;
  • the terminal device receives, according to the determined random access identifier, a random access response that includes the random access identifier from the network device on the downlink carrier.
  • the method before the sending, by the terminal device, the random access signal, the method further includes:
  • configuration information is used to indicate an identifier of a target uplink carrier
  • the target uplink carrier includes one or more carriers that the terminal device can send a random access signal
  • the identifier of the target uplink carrier includes a carrier index of the target uplink carrier
  • the target uplink carrier includes the first uplink carrier and the second uplink carrier.
  • an information sending apparatus including:
  • a transceiver configured to receive, on a random access resource, a random access signal of the terminal device from a terminal device, where the random access resource is on a first uplink carrier or a second uplink carrier, where the first uplink carrier is Corresponding to the same downlink carrier with the second uplink carrier;
  • a processor configured to determine a random access identifier corresponding to the random access resource, where the random access identifier determined by the random access resource when the first uplink carrier is a first random access identifier, the random The random access identifier determined when the access resource is in the second uplink carrier is a second random access identifier, where the first random access identifier is different from the second random access identifier, and is used according to the determined
  • the random access identifier generates a random access response including the random access identifier;
  • the transceiver is further configured to send the random access response to the terminal device by using the downlink carrier.
  • the information sending device may be a network device.
  • the transceiver is further configured to: before receiving the random access signal, send configuration information to the terminal device, where the configuration information is used to indicate an identifier of a target uplink carrier, where the target uplink carrier includes The terminal device is capable of transmitting one or more carriers of a random access signal, where the identifier of the target uplink carrier includes a carrier index of the target uplink carrier, and the target uplink carrier includes the first uplink carrier and the first Two uplink carriers.
  • an information receiving apparatus including:
  • a transceiver configured to send a random access signal to the network device on a random access resource, where the random access resource is on the first uplink carrier or the second uplink carrier, the first uplink carrier and the second The uplink carrier corresponds to the same downlink carrier;
  • a processor configured to determine a random access identifier corresponding to the random access resource, and the random access identifier determined by the random access resource when the first uplink carrier is the first random access identifier, the random The random access identifier determined when the access resource is in the second uplink carrier is a second random access identifier, where the first random access identifier is different from the second random access identifier;
  • the transceiver is further configured to receive a random access response from the network device on the downlink carrier;
  • the processor is further configured to determine, according to the determined random access identifier, a random access response that includes the random access identifier as a random access response that is sent to the information receiving device.
  • the information receiving device may be a terminal device or a baseband chip.
  • the transceiver is further configured to: before the sending the random access signal, receive configuration information from the network device, where the configuration information is used to indicate an identifier of a target uplink carrier, where the target uplink carrier includes The terminal device is capable of transmitting one or more carriers of a random access signal, where the identifier of the target uplink carrier includes a carrier index of the target uplink carrier, and the target uplink carrier includes the first uplink carrier and the first Two uplink carriers.
  • the first random access identifier determined by the random access resource on the first uplink carrier satisfies a first formula
  • the network device is in the second uplink of the random access resource.
  • the second random access identifier determined when the carrier is satisfied satisfies a second formula, and the first formula is different from the second formula.
  • the first formula calculates a random access identifier according to a time-frequency resource sequence number of the random access resource
  • the second formula calculates a random access identifier according to the time-frequency resource sequence number of the random access resource and an offset;
  • the second formula calculates a random access identifier according to the time-frequency resource sequence number of the random access resource and the carrier sequence number of the second uplink carrier in the uplink carrier set, where the uplink carrier set includes at least one uplink carrier, and the uplink carrier set The uplink carrier and the first uplink carrier correspond to the same downlink carrier.
  • This embodiment provides various implementation manners, for example, the calculation of different random access identifiers can be easily implemented by combining the offsets, and another implementation manner is provided in combination with the carrier sequence numbers.
  • the first formula includes formula (1):
  • S is a random access identifier
  • t_id is a sequence number of a first time unit occupied by the random access resource
  • f_id is a frequency domain resource number of the random access resource in the first time unit
  • N1 is a positive integer
  • the second formula includes equation (2):
  • S is a random access identifier
  • t_id is a sequence number of a first time unit occupied by the random access resource
  • f_id is a frequency domain resource number of the random access resource in the first time unit
  • N2 and M are both positive integers
  • the second formula includes equation (3):
  • S is a random access identifier
  • t_id is a sequence number of a first time unit occupied by the random access resource
  • f_id is a frequency domain resource number of the random access resource in the first time unit
  • the c_id is the carrier number of the second uplink carrier in the uplink carrier set
  • the uplink carrier set includes at least one uplink carrier
  • the uplink carrier in the uplink carrier set and the first uplink carrier correspond to the same downlink carrier
  • n2 Both n3 and M are positive integers.
  • the frequency domain resource sequence number of at least one of the random access resources on the first uplink carrier and the random access resource on the second uplink carrier is the same
  • the third formula calculates the random access identifier according to the time-frequency resource sequence number and the carrier identifier of the random access resource.
  • the third formula includes formula (4):
  • S is a random access identifier
  • t_id is a sequence number of a first time unit occupied by the random access resource
  • f_id is a frequency domain resource number of the random access resource in the first time unit
  • the carrier_id is an identifier of the first uplink carrier or the second uplink carrier
  • both n2 and n3 are positive integers.
  • the frequency domain resource number of any one of the random access resources on the first uplink carrier and the frequency domain resource number of any one of the second uplink carriers All are different.
  • the first random access identifier determined when the random access resource is in the first uplink carrier, and the second random access determined when the random access resource is in the second uplink carrier The entry ID satisfies the same formula.
  • the formula calculates a random access identifier according to the time-frequency resource sequence number of the random access resource
  • the formula calculates a random access identifier according to the time-frequency resource sequence number of the random access resource and an offset
  • the formula calculates a random access identifier according to the time-frequency resource sequence number of the random access resource and the carrier sequence number of the second uplink carrier in the uplink carrier set, where the uplink carrier set includes at least one uplink carrier, and the uplink carrier set The uplink carrier and the first uplink carrier correspond to the same downlink carrier.
  • the first random access identifier determined when the random access resource is in the first uplink carrier, and the second random access identifier determined when the random access resource is in the second uplink carrier One of the aforementioned formulas (1) to (4) is satisfied.
  • the frequency band in which the first uplink carrier is located is different from the frequency band in which the second uplink carrier is located.
  • an embodiment of the present application provides a baseband chip, including a processor and a memory, where the memory is used to store program instructions, and the processor, by executing the instruction, causes the network device to perform each step of the foregoing first aspect.
  • the information transmitting device may be a baseband chip in a network device.
  • an embodiment of the present application provides a baseband chip, including a processor and a memory, where the memory is configured to store program instructions, and the processor, by executing the instruction, causes the terminal device to perform each step of the second aspect. .
  • the embodiment of the present application provides a computer program product, where the computer program product includes: computer program code, when the computer program code is run by a network device, causing the network device to perform the first aspect or The method of any of the possible implementations of the first aspect.
  • an embodiment of the present application provides a computer program product, where the computer program product includes: computer program code, when the computer program code is executed by a terminal device, causing the terminal device to perform the foregoing second aspect or The method of any of the possible implementations of the second aspect.
  • the embodiment of the present application provides a computer readable medium, where the computer readable medium stores program code, where the program code includes any one of the possible implementations of the first aspect or the first aspect.
  • the instructions of the method are not limited to:
  • the embodiment of the present application provides a computer readable medium, where the computer readable medium stores program code, where the program code includes any of the possible implementations of the second aspect or the second aspect.
  • the instructions of the method are not limited to:
  • FIG. 1 is a flowchart of an implementation of a method according to an embodiment of the present application
  • FIG. 2 is a schematic structural diagram of an information sending apparatus according to an embodiment of the present application.
  • FIG. 3 is a schematic structural diagram of an information receiving apparatus according to an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of a terminal device according to an embodiment of the present application.
  • the method of the embodiment of the present application can be applied to a new radio (NR) communication system, a long term evolution (LTE) system, and a long term evolution-advanced (LTE-A) system. It can be extended to similar wireless communication systems, such as the 3rd generation partnership project (3gpp) related cellular systems.
  • NR new radio
  • LTE long term evolution
  • LTE-A long term evolution-advanced
  • the network device is a device deployed in the radio access network to provide a wireless communication function for the terminal device.
  • Network devices may include various forms of base stations, including macro base stations, micro base stations (also referred to as small stations), relay stations, and access points, and the like.
  • the names of devices with network access capabilities may vary.
  • the network device may be a network device such as gNB or TRP in a 5G system, or a network device in a public evolved public land mobile network (PLMN) system, which may be a wireless local area networks.
  • PLMN public evolved public land mobile network
  • An access point (AP) in the WLAN which may also be an evolved NodeB (eNodeB) or a third-generation (3rd generation, 3G) node in the LTE system or the LTE-A system.
  • eNodeB evolved NodeB
  • 3G third-generation (3rd generation, 3G) node in the LTE system or the LTE-A system.
  • B Node B
  • the network device may also be an in-vehicle device or a wearable device.
  • the terminal device in the embodiment of the present application is a device that can provide voice and/or data connectivity to a user, and may be a device in a 5G system that accesses a system through a network device such as gNB or TRP, or may be a future.
  • the terminal device in the evolved PLMN network may also be a terminal device in a WLAN, an LTE system, an LTE-A system, or a 3G system.
  • a terminal device may also be called a user equipment (UE), an access terminal, a subscriber unit, a terminal station, a mobile station, a mobile station (MS), a remote station, a remote terminal, and a mobile device.
  • UE user equipment
  • the terminal device may include various handheld devices having wireless communication functions, in-vehicle devices, wearable devices, computing devices, or other processing devices connected to the wireless modem, and may also include a subscriber unit, a cellular phone, a smart phone (smart) Phone), wireless data card, personal digital assistant (PDA) computer, tablet computer, wireless modem (modem), handheld device, laptop computer, machine type communication (machine type) Communication, MTC) terminals, stations in wireless local area networks (WLAN), can also be cellular phones, cordless phones, session initiation protocol (SIP) phones, wireless local loops (wireless local loop, WLL) station.
  • PDA personal digital assistant
  • modem modem
  • MTC machine type communication
  • WLAN wireless local area networks
  • WLAN can also be cellular phones, cordless phones, session initiation protocol (SIP) phones, wireless local loops (wireless local loop, WLL) station.
  • SIP session initiation protocol
  • WLL wireless local loops
  • an implementation manner of the embodiment of the present application includes the following steps:
  • Step 101 The network device allocates multiple random access resources to the terminal device.
  • These random access resources may be physical random access channel (PRACH) resources.
  • PRACH physical random access channel
  • These random access resources may be allocated on uplink carriers of different frequencies, and these uplink carriers correspond to the same downlink carrier.
  • These uplink carriers may include an uplink carrier supporting TDD and an uplink carrier supporting FDD.
  • the number of random access resources on the uplink carrier supporting TDD is usually larger than the number of random access resources on the uplink carrier supporting FDD.
  • These uplink carriers may also include a supplementary uplink (SUL) carrier.
  • SUL supplementary uplink
  • these random access resources may be included in an uplink carrier of an NR dedicated frequency band and an uplink carrier of a frequency band in which NR and LTE coexist, and both uplink carriers correspond to downlink carriers of the NR.
  • the random access resources may be allocated on an uplink carrier in a frequency band of 3.5 GHz and an uplink carrier in a frequency band of 1.8 GHz, and both uplink carriers correspond to a 3.5 GHz frequency.
  • the subsequent NR dedicated frequency band is exemplified by a frequency band of 3.5 GHz.
  • the frequency band in which NR and LTE coexist is taken as a frequency band of 1.8 GHz. This example does not exclude that the frequency band in which NR and LTE coexist can also be used. Contains bands of other frequencies.
  • the uplink carrier on the 3.5 GHz band can support TDD
  • the uplink carrier on the 1.8 GHz band can support FDD.
  • the uplink carriers of different frequencies may also belong to different radio access technologies.
  • the uplink carrier in the frequency band of 3.5 GHz belongs to the access technology of 5G NR
  • the uplink carrier in the frequency band of 1.8 GHz mentioned above belongs to the access technology of LTE.
  • the uplink carrier on the frequency band of 3.5 GHz may include one uplink carrier, and the uplink carrier may have multiple random access resources, for example, six random access resources.
  • the uplink carrier in the frequency band of 1.8 GHz may include one uplink carrier, and may also include multiple uplink carriers, and each uplink carrier may have one or more random access resources, generally speaking, on a 1.8 GHz frequency band.
  • the number of random access resources on each uplink carrier is less than the number of random access resources on the uplink carrier of the 3.5 GHz band.
  • these random access resources can be independently numbered for different uplink carriers in the frequency domain.
  • the frequency domain resource number of the six random access resources on the first uplink carrier may be 0, 1, 2, 3, 4, and 5, and the frequency domain of one random access resource on the second uplink carrier.
  • the resource number can be 0. If there is still the third uplink carrier, the number of one random access resource on the third uplink carrier may be 1.
  • these random access resources can also be consecutively numbered for all uplink carriers.
  • an uplink carrier including a 3.5 GHz frequency includes one uplink carrier, that is, six random access resources on the first uplink carrier, and one uplink carrier included in the uplink carrier of the 1.8 GHz frequency, that is, one on the second uplink carrier.
  • the random access resource is used as an example, and the number of the six random access resources on the first uplink carrier may be 0, 1, 2, 3, 4, and 5, and one random access resource on the second uplink carrier. The number is 6. If the uplink carrier on the 1.8 GHz band further includes other uplink carriers, such as the third uplink carrier, the number of one random access resource on the third uplink carrier may be 7.
  • the above time unit refers to a length of time, and may be a subframe, a slot, a mini-slot or a symbol.
  • the time unit may also be a plurality of subframes, a plurality of slots, a plurality of mini-slots, or a plurality of symbols.
  • the time unit can be a time unit in the communication system for scheduling the transport block.
  • the time unit can be a transmission time interval (TTI).
  • Step 102 When the terminal device needs to access the network, select a random access resource from the random access resources, and send a random access signal to the network device by using the selected random access resource.
  • the random access signal can include a random preamble.
  • the selected random access resource is referred to as a first random access resource.
  • the first random access resource may be on the uplink carrier on the aforementioned 3.5 GHz band or on the uplink carrier on the 1.8 GHz band. Of course, if there are other bands on the uplink carrier, random access resources are also allocated.
  • the first random access resource may also be on the uplink carrier of the other frequency band.
  • Step 103 After determining the first random access resource used to send the signal, the terminal device may determine a random access identifier corresponding to the first random access resource, and the first random access resource is in the first The first random access identifier determined when an uplink carrier is different from the second random access identifier determined when the second random access resource is used by the second uplink carrier.
  • the terminal device determines that the random access identifier may be before sending a signal for random access, or after transmitting the signal.
  • the random access identifier is an identifier associated with random access.
  • the random access identifier may be an RA-RNTI.
  • Step 104 After receiving the random access signal, the network device also needs to determine a corresponding random access identifier according to the first random access resource that sends the random access signal, and the first random access resource is in the first The first random access identifier determined when the carrier is a carrier is different from the second random access identifier determined when the second random access resource is at the second carrier.
  • the method in which the terminal device and the network device determine the random access identifier is similar.
  • the calculated first random access identifier may satisfy the first formula.
  • the first formula may calculate a random access identifier according to a time-frequency resource sequence number of the random access resource.
  • the first formula may include the aforementioned formula (1). That is, the first random access identifier can be calculated according to the formula (1).
  • the S is a random access identifier
  • the t_id is related to the random access resource used by the terminal device to send the random access signal, which may be the sequence number of the first time unit occupied by the random access resource, and the f_id is connected to the terminal device.
  • the random access resource used for sending the random access signal is related to the frequency domain resource number of the random access resource in the first time unit, where n1 is an integer, and n1 is usually a positive integer. The case of a negative integer.
  • the calculated second random access identifier or the third random access identifier may satisfy the second formula.
  • the second formula calculates a random access identifier according to the time-frequency resource sequence number of the random access resource and an offset, or according to the time-frequency resource sequence number of the random access resource and the second uplink carrier.
  • the carrier sequence number of the uplink carrier set is used to calculate a random access identifier, where the uplink carrier set includes at least one uplink carrier, and the uplink carrier in the uplink carrier set and the first uplink carrier correspond to the same downlink carrier.
  • the second formula includes the following formula (2). That is, the second random access identifier or the third random access identifier may be calculated according to the formula (2).
  • S is a random access identifier
  • t_id is a sequence number of a first time unit occupied by the random access resource
  • f_id is a frequency domain resource sequence number of the random access resource in the first time unit
  • n2 and M is a positive integer, and of course, it is not excluded that at least one of n2 and M is a negative integer.
  • the n2 may be equal to n1 or may not be equal to n1.
  • the second formula includes the following formula (3)
  • n2 is equal to n1 or may not be equal to n1.
  • the uplink carrier set includes at least one uplink carrier, and the uplink carrier in the uplink carrier set and the first uplink carrier correspond to the same downlink carrier.
  • the uplink carriers included in the uplink carrier set may be uplink carriers to which random access resources are allocated, or only a part of uplink carriers may be allocated random access resources.
  • the uplink carrier included in the uplink carrier set is those uplink carriers on a frequency band in which NR and LTE coexist.
  • the second formula includes other formulas such as similar variations of the aforementioned formulas, or such as formula (a) and formula (b) below.
  • S is a random access identifier
  • t_id is a sequence number of the first time unit occupied by the random access resource
  • n is a carrier sequence number of the second uplink carrier or the third uplink carrier in the uplink carrier set.
  • the allocated random access resources are consecutively numbered in the frequency domain, that is, the numbers of the random access resources on the uplink carriers of different frequencies, and the real-time resource sequence numbers are different, the calculated random access identifiers are calculated.
  • the above formula (1) can be satisfied.
  • the time-frequency resource number is different, which usually means that the frequency domain resource number is different.
  • each random access identifier can be calculated according to the aforementioned formula (1), so that this scheme can directly use the formula of the prior art.
  • these random access identifiers can also be calculated using one of the other various formulas described above. Similar to the previous scheme, different formulas can also be used for different carriers.
  • each of the calculated random access identifiers can satisfy the third formula.
  • the third formula calculates a random access identifier according to the time-frequency resource sequence number and the carrier identifier of the random access resource.
  • the third formula may include the following formula (4). That is to say, each random access identifier can be calculated according to the formula (4).
  • the S is a random access identifier
  • the t_id is the sequence number of the first time unit occupied by the random access resource
  • the f_id is the frequency domain resource number of the random access resource in the first time unit
  • the carrier_id is The identifiers of the first uplink carrier or the second uplink carrier, n2 and n3 are all positive integers.
  • the identity of the carrier here may be a carrier index.
  • the terminal device For the implementation manner of determining the random access identifier in combination with the information of the uplink carrier, the terminal device also needs to determine the carrier index. If there are only two uplink carriers, the terminal device and the network device can determine that one of them is the first uplink carrier and the other is the second uplink carrier according to the set rule. Of course, it can also be configured by the network device, and the identifier of the uplink carrier is sent to the terminal device. For example, the network device sends the configuration information to the terminal device, where the configuration information is used to indicate the identifier of the target uplink carrier, where the target uplink carrier includes those carriers that the terminal device can send the random access signal, and the identifier of the target uplink carrier includes the target. Carrier index of the uplink carrier.
  • the network device performs the configuration and sends the configuration information, and is not limited to determining the random access identifier in the embodiment of the present application, and may also be used in other situations where the carrier index needs to be acquired.
  • Step 105 The network device determines a random access response (RAR) according to the determined random access identifier, and sends the RAR to the terminal device.
  • RAR random access response
  • Step 106 The terminal device receives the RAR from the network device according to the determined random access identifier.
  • the random access identifier determined by the terminal device and the network device according to the first random access resource does not overlap with other random access identifiers, because the random access identifiers determined by the respective random access resources are different. Therefore, the terminal device can correctly receive the RAR sent to the terminal device from the network device according to the random access identifier, thereby preventing the terminal device from erroneously receiving the RAR of the other terminal device, thereby preventing the terminal device from receiving the RAR by mistake. And affect random access performance.
  • the embodiment of the present application further provides an information sending apparatus for performing the foregoing network device side method, and the information sending apparatus may be a network device.
  • the information transmitting apparatus includes a transceiver 201 and a processor 202.
  • the transceiver 201 may be configured to receive, according to a random access resource, a random access signal of the terminal device from a terminal device, where the random access resource is on a first uplink carrier or a second uplink carrier, The first uplink carrier and the second uplink carrier correspond to the same downlink carrier;
  • the processor 202 may be configured to determine a random access identifier corresponding to the random access resource, where the random access identifier determined by the random access resource when the first uplink carrier is the first random access identifier, The random access identifier determined when the random access resource is in the second uplink carrier is a second random access identifier, where the first random access identifier is different from the second random access identifier; Determining a random access identifier to generate a random access response including the random access identifier;
  • the transceiver 201 is further configured to send the random access response to the terminal device by using the downlink carrier.
  • the transceiver 201 is further configured to: before receiving the random access signal, send configuration information to the terminal device, where the configuration information is used to indicate an identifier of a target uplink carrier, where the target uplink carrier includes the terminal device One or more carriers capable of transmitting a random access signal, where the identifier of the target uplink carrier includes a carrier index of the target uplink carrier, and the target uplink carrier includes the first uplink carrier and the second uplink carrier.
  • the embodiment of the present application further provides an information receiving apparatus for performing the foregoing terminal device side method, and the information receiving apparatus includes a transceiver 301 and a processor 302.
  • the information receiving device may be a terminal device or a baseband chip.
  • the transceiver 301 may be configured to send a random access signal to the network device on a random access resource, where the random access resource is on the first uplink carrier or the second uplink carrier, where the first uplink is The carrier and the second uplink carrier correspond to the same downlink carrier;
  • the processor 302 may be configured to determine a random access identifier corresponding to the random access resource, and the random access identifier determined by the random access resource when the first uplink carrier is the first random access identifier, The random access identifier determined by the random access resource when the second uplink carrier is determined is a second random access identifier, where the first random access identifier is different from the second random access identifier;
  • the transceiver 301 is further configured to receive a random access response from the network device on the downlink carrier.
  • the processor 302 is further configured to determine, according to the determined random access identifier, a random access response that includes the random access identifier as a random access response that is sent to the information receiving device.
  • the transceiver 302 is further configured to: before the sending the random access signal, receive configuration information from the network device, where the configuration information is used to indicate an identifier of a target uplink carrier, where the target uplink carrier includes the terminal
  • the device is capable of transmitting one or more carriers of the random access signal, where the identifier of the target uplink carrier includes a carrier index of the target uplink carrier, and the target uplink carrier includes the first uplink carrier and the second uplink carrier .
  • the related descriptions of the first random access identifier and the second random access identifier determined in the processor are as described in the foregoing method embodiments.
  • FIG. 4 Another embodiment of the present application is further provided, as shown in FIG. 4 .
  • Some of the descriptions in this embodiment are the same as or similar to the previous embodiments, and the following description is mainly directed to some differences.
  • This embodiment includes the following steps:
  • Step 401 The network device allocates multiple random access resources to the terminal device.
  • Step 402 When the terminal device needs to access the network, select a random access resource from the random access resources, and send a signal to the network device by using the selected random access resource.
  • the steps 401 to 402 are similar to the foregoing steps 101 to 102, and therefore will not be described again.
  • Step 403 After determining the first random access resource used to send the signal, the terminal device may determine a random access identifier corresponding to the first random access resource.
  • Step 404 After receiving the signal, the network device also needs to determine a corresponding random access identifier according to the first random access resource that sends the signal.
  • the random access identifier corresponding to the first random access resource may satisfy the foregoing formula, that is, the random access identifier may be calculated according to the foregoing formula.
  • Step 405 The network device determines the RAR according to the determined random access identifier, sends the RAR to the terminal device, and sends indication information for indicating the uplink carrier that includes the first random access resource to the terminal device.
  • the first indication information may be included in the RAR, and may be carried in the PDSCH that carries the RAR, or may be carried in the PDCCH that schedules the PDSCH.
  • the first indication information may include 1 bit, where state 0 indicates the first uplink carrier, and state 1 indicates the second uplink carrier.
  • the first indication information may include 2 bits for indicating the uplink carriers. For example, state 00 indicates the first uplink carrier, state 01 indicates the second uplink carrier, state 10 indicates the third uplink carrier, and state 11 indicates the fourth uplink carrier. This is just an example, but there are other ways to indicate it.
  • Each carrier has a carrier identifier, and the first indication information indicates the carrier identifier, and the carrier identifier may be a carrier index.
  • Step 406 The terminal device receives the indication information and the RAR, and determines, according to the indication information and the random access identifier, whether the RAR is an RAR sent to the terminal device.
  • the terminal device determines the uplink carrier that is indicated by the terminal device according to the indication information, and if the random access identifier in the RAR is the random access identifier of the terminal device, if the first random access resource is carried If the uplink carrier is the uplink carrier indicated by the indication information, the RAR is determined to be the RAR sent to the terminal device, and correspondingly, the terminal device may perform subsequent access processing according to the RAR; if the first random connection is carried If the uplink carrier of the incoming resource is not the uplink carrier indicated by the indication information, it is determined that the RAR is not the RAR sent to the terminal device, and accordingly, the terminal device cannot perform subsequent processing according to the RAR, for example, the terminal device needs to be connected. After entering the network, the random access signal can be resent.
  • the random access resource numbers in the uplink carriers may be the same. Therefore, the random access identifiers for different terminal devices may be duplicated.
  • the indication information for indicating the uplink carrier where the terminal device can determine, according to the indication information, whether the uplink carrier carrying the first random access resource is For the uplink carrier indicated by the indication information, it can be determined whether the RAR sent by the network device is an RAR sent to the local terminal device, thereby preventing the terminal device from erroneously receiving the RAR of the other terminal device, thereby avoiding the terminal device being faulty. Receiving RAR to affect random access performance.
  • the embodiment of the present application further provides an information sending apparatus, which may include a transceiver and a processor.
  • the transceiver is configured to receive, on a first random access resource, a random access signal of the terminal device from a terminal device, where the random access resource is on a first uplink carrier or a second uplink carrier, where the first uplink carrier is Corresponding to the same downlink carrier with the second uplink carrier;
  • the processor may be configured to determine a random access identifier corresponding to the random access resource, generate a random access response including the random access identifier according to the determined random access identifier, and generate an indication for including the first An indication of an uplink carrier of a random access resource;
  • the transceiver may be further configured to send the indication information and the random access response to the terminal device by using the downlink carrier.
  • the embodiment of the present application further provides an information receiving apparatus, where the apparatus may include a transceiver and a processor.
  • the transceiver may be configured to send a random access signal to the network device on the first random access resource, where the random access resource is on the first uplink carrier or the second uplink carrier, and the first uplink carrier and The second uplink carrier corresponds to the same downlink carrier, and is used for receiving indication information and a random access response for indicating an uplink carrier that includes the first random access resource;
  • the processor may be configured to determine a random access identifier corresponding to the first random access resource, and determine, according to the random access identifier and the indication information, whether the random access response is a random access response sent to the terminal device. .
  • transceiver in each device embodiment may be a transceiver unit, and the processor may be a processing unit.
  • the embodiment of the present application further provides a device, which is in the form of a product of a chip, the device includes a processor, a memory, the memory is used to store program instructions, and the processor implements the above FIG. 1 by executing program instructions stored in the memory.
  • a device which is in the form of a product of a chip, the device includes a processor, a memory, the memory is used to store program instructions, and the processor implements the above FIG. 1 by executing program instructions stored in the memory.
  • FIG. 5 is a simplified schematic diagram showing a possible design structure of a communication device such as a terminal device according to an embodiment of the present application, which may be the information receiving device shown in FIG.
  • the communication device includes a transceiver 51, a controller/processor 52, and may also include a memory 53 and a modem processor 54.
  • the transceiver 51 conditions (e.g., analog conversion, filtering, amplifying, upconverting, etc.) the output samples and generates an uplink signal that is transmitted via an antenna to the base station described in the above embodiments.
  • the antenna receives the downlink signal transmitted by the base station in the above embodiment.
  • Transceiver 51 conditions (eg, filters, amplifies, downconverts, digitizes, etc.) the signals received from the antenna and provides input samples.
  • encoder 541 receives the traffic data and signaling messages to be transmitted on the uplink and processes (e.g., formats, codes, and interleaves) the traffic data and signaling messages.
  • Modulator 542 further processes (e.g., symbol maps and modulates) the encoded traffic data and signaling messages and provides output samples.
  • the decoder 543 processes (e.g., deinterleaves and decodes) the symbol estimate and provides decoded data and signaling messages that are sent to the terminal device.
  • Demodulator 544 processes (e.g., demodulates) the input samples and provides symbol estimates.
  • Encoder 541, modulator 542, decoder 543, and demodulator 544 may be implemented by a composite modem processor 54. These units are processed according to the wireless technology employed by the radio access network (eg, access technologies for LTE and other evolved systems).
  • the controller/processor 52 controls the management of the actions of the communication device such as the terminal device for performing the processing by the terminal device in the above embodiment.
  • the terminal device receives the first information sent by the network device, and determines a mapping manner of the uplink subcarrier according to the first information.
  • the controller/processor 52 can be used to support the terminal device in performing the content of the terminal device involved in FIG. 1 or FIG.
  • the memory 53 is for storing program codes and data for the terminal device.
  • the above embodiments it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof.
  • a software program it may be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer instructions.
  • the computer program instructions When the computer program instructions are loaded and executed on a computer, the processes or functions in accordance with embodiments of the present application are generated in whole or in part.
  • the computer can be a general purpose computer, a special purpose computer, a computer network, or other programmable device.
  • the computer instructions can be stored in a computer readable storage medium or transferred from one computer readable storage medium to another computer readable storage medium, for example, the computer instructions can be wired from a website site, computer, server or data center (eg Coaxial cable, optical fiber, digital subscriber line (DSL) or wireless (such as infrared, wireless, microwave, etc.) is transmitted to another website, computer, server or data center.
  • the computer readable storage medium can be any available media that can be accessed by a computer or a data storage device that includes one or more servers, data centers, etc. that can be integrated with the media.
  • the usable medium may be a magnetic medium (for example, a floppy disk, a hard disk, a magnetic tape), an optical medium (for example, a DVD), or a semiconductor medium (for example, a solid state disk (SSD)) or the like.
  • a magnetic medium for example, a floppy disk, a hard disk, a magnetic tape
  • an optical medium for example, a DVD
  • a semiconductor medium for example, a solid state disk (SSD)

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Abstract

本申请实施例提供了一种信息发送方法和信息接收方法，网络设备在一个随机接入资源上从终端设备接收该终端设备的随机接入信号，该随机接入资源在第一上行载波或第二上行载波上，该第一上行载波和第二上行载波对应同一个下行载波；该网络设备确定该随机接入资源对应的随机接入标识，该随机接入资源在该第一上行载波时确定的随机接入标识为第一随机接入标识，该随机接入资源在该第二上行载波时确定的随机接入标识为第二随机接入标识，该第一随机接入标识与该第二随机接入标识不同；该网络设备根据所确定的随机接入标识生成随机接入响应，并将包含该随机接入标识的该随机接入响应通过该下行载波发送给该终端设备。

Description

一种信息发送、信息接收方法及装置
本申请要求于2017年8月11日提交中国专利局、申请号为201710687924.7、申请名称为“一种信息发送、信息接收方法及装置”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
本申请涉及无线通信技术领域，具体涉及一种信息发送、信息接收方法及装置。
背景技术
在部署无线通信系统时，频率在6GHz以下的频带上可以同时部署长期演进(long term evolution，LTE)系统和5G新空口(new radio interface，NR)系统。LTE系统通常部署在频率为1.8GHz的频带上。NR系统目前最有可能部署在频率为3.5GHz的频带上。由于在无线通信系统中，载波频率越高，则路径损耗越大，从而NR系统在频率为3.5GHz的频带F上的覆盖范围相比于在频率为1.8GHz的频带上的覆盖范围要小。通常，NR系统的网络设备可以基于大规模天线采用波束成型(beam forming)技术，以提升下行传输的覆盖范围，但是由于终端设备体积及能力的限制，其能够配备的天线的个数远小于基站能够配备的天线个数，无法通过波束成型技术来达到与下行相同覆盖能力的上行覆盖能力，从而导致在频率为3.5GHz的频带上，NR系统的终端设备在上行方向上的覆盖范围比较小，无法匹配网络设备在下行方向上的覆盖范围。而如果要保证在上行方向上的覆盖范围，上行传输速率则会受到限制。
为解决NR系统的终端设备在上行方向上的覆盖范围比较小的问题，可以将NR系统的上行载波增加部署在LTE系统的上行频带，即频率为1.8GHz的上行频带上，以增强NR系统的终端设备在上行方向上的覆盖范围。这种方式使得在该频率为1.8GHz的上行频带上同时存在NR系统和LTE系统，也即NR系统和LTE系统共享该频率为1.8GHz的上行频带。
在LTE系统中，基站会为终端设备配置用于终端设备进行随机接入的多个资源。此类资源可以称为物理随机接入信道(physical random access channel，PRACH)资源。PRACH资源包括时域资源和频域资源，其中时域资源包括一个无线帧的一个或多个子帧，频域资源包括频域上一个或多个连续的资源块。
终端设备接入LTE系统的步骤如下：
步骤A：该终端设备在需要随机接入LTE系统时，可以在基站配置的多个PRACH资源中选择一个PRACH资源，并使用该PRACH资源发送随机前导序列(preamble)。
步骤B：基站在接收到该preamble后，向该终端设备反馈随机接入响应(random access response，RAR)。
步骤C：该终端设备根据接收到的RAR中携带的终端标识，比如随机接入无线网 络临时标识(random access-radio network temporary identity，RA-RNTI)是否为本终端设备的RA-RNTI，来识别该RAR是否为发送给本终端设备的RAR，以此确认本终端设备发送的preamble是否被基站正确接收，从而确定是否能够继续执行后续的接入流程。
可以看出，基站和终端设备都需要计算该RA-RNTI。RA-RNTI通常使用下述公式(1)进行计算。
RA-RNTI＝1+t_id+10*f_id  (1)
其中，t_id与终端设备发送preamble所使用的PRACH时域资源相关，具体可以是该PRACH时域资源占用的第一个子帧的序号，f_id则与终端设备发送Preamble所使用的PRACH频域资源相关，具体可以是该PRACH频域资源在该第一个子帧中的频域资源序号。
对于NR系统和LTE系统共享上行频带的场景来说，终端设备可以在频率为1.8GHz和3.5GHz的频带上选择一个上行载波向NR系统的网络设备发送preamble以进行随机接入。但对于NR系统的网络设备而言，该网络设备只能通过频率为3.5GHz的这个下行载波向该终端设备发送RAR。
对于NR系统中的两个终端设备，一个终端设备选择了在频率为1.8GHz的频带上的上行载波上发送preamble，另一个终端设备选择了在频率为3.5GHz的频带的上行载波上发送preamble，如果这两个终端设备发送preamble所使用的PRACH时频资源的序号相同，即t_id与f_id分别相同，则这两个终端设备计算得到的RA-RNTI相同。类似地，网络设备为这两个终端设备计算得到的RA-RNTI也会相同，也即该网络设备发送给这两个终端设备的RAR中的RA-RNTI相同。因此，两个终端设备无法通过RA-RNTI正确识别收到的RAR是否为发送给本终端设备的RAR。而该基站为这两个终端设备发送的RAR都是使用该频率为3.5GHz的同一个下行载波，因此这两个终端设备也无法通过下行载波来正确识别收到的RAR是否为发送给本终端设备的RAR。
终端设备无法通过RA-RNTI正确识别RAR会带来以下问题：
如果两个终端设备中的第一终端设备所发送的preamble没有被网络设备正确接收，第二终端设备所发送的preamble被网络设备正确接收，这种情况下，基站只会向该第二终端设备发送RAR。但由于两个终端设备的RA-RNTI相同，所以两个终端设备根据RA-RNTI都认为本终端设备的preamble被网络设备正确接收了。这显然会造成第一终端设备的错误判断，在该第一终端设备继续执行后续接入流程时会出现错误，比如，该第一终端设备没有执行重新发送preamble的步骤，而是错误地发送用于后续接入流程的message 3，从而会影响该第一终端设备的随机接入性能。并且，第一终端设备错误地发送了message 3，还可能对第二终端设备的message 3的正常发送造成影响。
发明内容
有鉴于此，本申请实施例提供了一种信息发送、信息接收方法，以使得终端设备 能够正确接收网络设备发送的随机接入响应。
第一方面，本申请实施例提供了一种信息发送方法，该方法包括：
网络设备在一个随机接入资源上从终端设备接收所述终端设备的随机接入信号，所述随机接入资源在第一上行载波或第二上行载波上，所述第一上行载波和第二上行载波对应同一个下行载波；
所述网络设备确定所述随机接入资源对应的随机接入标识，所述随机接入资源在所述第一上行载波时确定的随机接入标识为第一随机接入标识，所述随机接入资源在所述第二上行载波时确定的随机接入标识为第二随机接入标识，所述第一随机接入标识与所述第二随机接入标识不同；
所述网络设备根据所确定的随机接入标识生成随机接入响应，并将包含所述随机接入标识的所述随机接入响应通过所述下行载波发送给所述终端设备。
对于上述实施例来说，由于根据各个随机接入资源确定的随机接入标识均不同，该终端设备和网络设备根据上述第一随机接入资源确定的随机接入标识不会与其他随机接入标识重复，所以该终端设备可以根据该随机接入标识从该网络设备正确地接收发送给该终端设备的RAR，从而避免了终端设备错误地接收其他终端设备的RAR，进而避免了终端设备因错误地接收RAR而影响随机接入性能。
可选的，在所述网络设备接收所述随机接入信号之前，所述方法进一步包括：
所述网络设备向所述终端设备发送配置信息，所述配置信息用于指示目标上行载波的标识，所述目标上行载波包括所述终端设备能够发送随机接入信号的一个或多个载波，所述目标上行载波的标识包括所述目标上行载波的载波索引，所述目标上行载波包括所述第一上行载波和所述第二上行载波。
第二方面，本申请实施例提供了一种信息接收方法，所述方法包括：
终端设备在一个随机接入资源上向网络设备发送随机接入信号，其中，所述随机接入资源在第一上行载波或第二上行载波上，所述第一上行载波和第二上行载波对应同一个下行载波；
所述终端设备确定所随机接入资源对应的随机接入标识，且所述随机接入资源在所述第一上行载波时确定的随机接入标识为第一随机接入标识，所述随机接入资源在所述第二上行载波时确定的随机接入标识为第二随机接入标识，所述第一随机接入标识与所述第二随机接入标识不同；
所述终端设备根据所确定的随机接入标识在所述下行载波上从所述网络设备接收包含所述随机接入标识的随机接入响应。
可选的，在所述终端设备发送所述随机接入信号之前，所述方法进一步包括：
所述终端设备从所述网络设备接收配置信息，所述配置信息用于指示目标上行载波的标识，所述目标上行载波包括所述终端设备能够发送随机接入信号的一个或多个载波，所述目标上行载波的标识包括所述目标上行载波的载波索引，所述目标上行载波包括所述第一上行载波和所述第二上行载波。
第三方面，本申请实施例提供了一种信息发送装置，包括：
收发器，用于在一个随机接入资源上从终端设备接收所述终端设备的随机接入信号，所述随机接入资源在第一上行载波或第二上行载波上，所述第一上行载波和第二 上行载波对应同一个下行载波；
处理器，用于确定所述随机接入资源对应的随机接入标识，所述随机接入资源在所述第一上行载波时确定的随机接入标识为第一随机接入标识，所述随机接入资源在所述第二上行载波时确定的随机接入标识为第二随机接入标识，所述第一随机接入标识与所述第二随机接入标识不同；以及用于根据所确定的随机接入标识生成包含所述随机接入标识的随机接入响应；
所述收发器还用于将所述随机接入响应通过所述下行载波发送给所述终端设备。
可选的，该信息发送装置可以是网络设备。
可选的，所述收发器还用于，在接收所述随机接入信号之前，向所述终端设备发送配置信息，所述配置信息用于指示目标上行载波的标识，所述目标上行载波包括所述终端设备能够发送随机接入信号的一个或多个载波，所述目标上行载波的标识包括所述目标上行载波的载波索引，所述目标上行载波包括所述第一上行载波和所述第二上行载波。
第四方面，本申请实施例提供了一种信息接收装置，包括：
收发器，用于在一个随机接入资源上向网络设备发送随机接入信号，其中，所述随机接入资源在第一上行载波或第二上行载波上，所述第一上行载波和第二上行载波对应同一个下行载波；
处理器，用于确定所随机接入资源对应的随机接入标识，且所述随机接入资源在所述第一上行载波时确定的随机接入标识为第一随机接入标识，所述随机接入资源在所述第二上行载波时确定的随机接入标识为第二随机接入标识，所述第一随机接入标识与所述第二随机接入标识不同；
所述收发器，还用于在所述下行载波上从所述网络设备接收随机接入响应；
所述处理器，还用于根据所确定的随机接入标识确定包含所述随机接入标识的随机接入响应为发送给所述信息接收装置的随机接入响应。
可选的，该信息接收装置可以是终端设备，也可以是基带芯片。
可选的，所述收发器还用于，在发送所述随机接入信号之前，从所述网络设备接收配置信息，所述配置信息用于指示目标上行载波的标识，所述目标上行载波包括所述终端设备能够发送随机接入信号的一个或多个载波，所述目标上行载波的标识包括所述目标上行载波的载波索引，所述目标上行载波包括所述第一上行载波和所述第二上行载波。
这几方面的实施例效果与前述第一方面的实施例类似，不再赘述。
针对前述各方面，所述随机接入资源在所述第一上行载波时所确定的第一随机接入标识满足第一公式，所述网络设备在所述随机接入资源在所述第二上行载波时所确定的第二随机接入标识满足第二公式，所述第一公式与所述第二公式不同。
可选的，所述第一公式根据随机接入资源的时频资源序号计算随机接入标识；
所述第二公式根据随机接入资源的时频资源序号以及一个偏移量计算随机接入标识；或者，
所述第二公式根据随机接入资源的时频资源序号以及第二上行载波在上行载波集中的载波序号计算随机接入标识，所述上行载波集包括至少一个上行载波，所述上行 载波集中的上行载波和所述第一上行载波对应同一个下行载波。
本实施例提供了各种实现方式，比如，结合偏移量可以简单地实现计算不同的随机接入标识，结合载波序号提供了另一种实现方式。
下述提供了多种公式，这些公式只是示例。可以通过对公式的简单变形获得其他类似公式。
可选的，所述第一公式包括公式(1)：
S＝1+t_id+n1*f_id  (1)
其中，S为随机接入标识，t_id为所述随机接入资源占用的第一个时间单元的序号，f_id为所述随机接入资源在所述第一个时间单元中的频域资源序号，n1为正整数；
所述第二公式包括公式(2)：
S＝1+t_id+n2*f_id+M  (2)
其中，S为随机接入标识，t_id为所述随机接入资源占用的第一个时间单元的序号，f_id为所述随机接入资源在所述第一个时间单元中的频域资源序号，n2和M均为正整数；
或者，所述第二公式包括公式(3)：
S＝1+t_id+n2*f_id+n3*c_id+M  (3)
其中，S为随机接入标识，t_id为所述随机接入资源占用的第一个时间单元的序号，f_id为所述随机接入资源在所述第一个时间单元中的频域资源序号，c_id为所述第二上行载波在上行载波集中的载波序号，所述上行载波集包括至少一个上行载波，所述上行载波集中的上行载波和所述第一上行载波对应同一个下行载波，n2、n3和M均为正整数。
针对前述各方面，对于同一个时间单元，所述第一上行载波上的随机接入资源中的至少一个随机接入资源的频域资源序号与所述第二上行载波上的随机接入资源中的至少一个随机接入资源的频域资源序号相同，
所述随机接入资源在所述第一上行载波时所确定的第一随机接入标识，以及所述随机接入资源在所述第二上行载波时所确定的第二随机接入标识满足第三公式，所述第三公式根据随机接入资源的时频资源序号及载波标识计算随机接入标识。
可选的，所述第三公式包括公式(4)：
S＝1+t_id+n2*f_id+n3*carrier_id  (4)
其中，S为随机接入标识，t_id为所述随机接入资源占用的第一个时间单元的序号，f_id为所述随机接入资源在所述第一个时间单元中的频域资源序号，carrier_id为所述第一上行载波或所述第二上行载波的标识，n2和n3均为正整数。
针对前述各方面，对于同一个时间单元，所述第一上行载波上的任一个随机接入资源的频域资源序号与所述第二上行载波上的任一个随机接入资源的频域资源序号均不同。
可选的，所述所述随机接入资源在所述第一上行载波时确定的第一随机接入标识，以及所述随机接入资源在所述第二上行载波时确定的第二随机接入标识满足同一个公式，
其中，所述公式根据随机接入资源的时频资源序号计算随机接入标识；
或者，所述公式根据随机接入资源的时频资源序号以及一个偏移量计算随机接入标识；
或者，所述公式根据随机接入资源的时频资源序号以及第二上行载波在上行载波集中的载波序号计算随机接入标识，所述上行载波集包括至少一个上行载波，所述上行载波集中的上行载波和所述第一上行载波对应同一个下行载波。
可选的，所述随机接入资源在所述第一上行载波时确定的第一随机接入标识，以及所述随机接入资源在所述第二上行载波时确定的第二随机接入标识满足前述公式(1)至公式(4)中的一个。
针对前述各方面，所述第一上行载波所在的频带与所述第二上行载波所在的频带不同。
第五方面，本申请实施例提供了一种基带芯片，包括处理器和存储器，其中，该存储器用于存储程序指令，该处理器通过执行该指令，使得网络设备执行上述第一方面的各个步骤。该信息发送装置可以是网络设备中的基带芯片。
第六方面，本申请实施例提供了一种基带芯片，包括处理器和存储器，其中，该存储器用于存储程序指令，该处理器通过执行该指令，使得终端设备执行上述第二方面的各个步骤。
第七方面，本申请实施例提供了一种计算机程序产品，所述计算机程序产品包括：计算机程序代码，当所述计算机程序代码被网络设备运行时，使得所述网络设备执行上述第一方面或第一方面任一种可能实现方式中的方法。
第八方面，本申请实施例提供了一种计算机程序产品，所述计算机程序产品包括：计算机程序代码，当所述计算机程序代码被终端设备运行时，使得所述终端设备执行上述第二方面或第二方面任一种可能实现方式中的方法。
第九方面，本申请实施例提供了一种计算机可读介质，所述计算机可读介质存储有程序代码，所述程序代码包括用于执行第一方面或第一方面任一种可能实现方式中的方法的指令。
第十方面，本申请实施例提供了一种计算机可读介质，所述计算机可读介质存储有程序代码，所述程序代码包括用于执行第二方面或第二方面任一种可能实现方式中的方法的指令。
附图说明
图1为本申请实施例的一个方法的实现流程图；
图2为本申请实施例的信息发送装置的结构示意图；
图3为本申请实施例的信息接收装置的结构示意图；
图4为本申请实施例的另一个方法的实现流程图；
图5为本申请实施例的终端设备的结构示意图。
具体实施方式
下面将结合附图，对本申请中的技术方案进行描述。
应理解，本申请实施例中的方式、情况以及类别的划分仅是为了描述的方便，不应构成特别的限定，各种方式、类别以及情况中的特征在不矛盾的情况下可以相结合。
本申请实施例的方法可以应用于新无线电(new radio，NR)通信系统，长期演进技术(long term evolution，LTE)系统，长期演进高级技术(long term evolution-advanced，LTE-A)系统，也可以扩展到类似的无线通信系统中，如第三代合作伙伴计划(3rd generation partnership project，3gpp)相关的蜂窝系统。
本申请实施例中，网络设备是一种部署在无线接入网中为终端设备提供无线通信功能的装置。网络设备可以包括各种形式的基站，包括宏基站、微基站(也称为小站)、中继站及接入点等。在采用不同的无线接入技术的系统中，具备网络接入功能的设备的名称可能会有所不同。例如，网络设备可以是5G系统中诸如gNB或TRP之类的网络设备，或者未来演进的公共陆地移动网络(public land mobile network，PLMN)系统中的网络设备，可以是无线局域网(wireless local area networks，WLAN)中的接入点(access point，AP)，还可以是LTE系统或LTE-A系统中的演进的节点B(evolved NodeB，eNodeB)、第三代(3rd generation，3G)系统的节点B(Node B)等。另外，该网络设备还可以是车载设备或可穿戴设备。
本申请实施例中的终端设备是一种可以向用户提供语音和/或数据连通性的设备，可以是5G系统中通过诸如gNB或TRP之类的网络设备接入系统的设备，也可以是未来演进的PLMN网络中的终端设备，还可以是WLAN、LTE系统、LTE-A系统或3G系统中的终端设备。终端设备也可以称为用户设备(user equipment，UE)、接入终端、终端设备单元(subscriber unit)、终端设备站、移动站、移动台(mobile station，MS)、远方站、远程终端、移动设备、用户终端、终端(terminal)、无线通信设备、终端设备代理或终端设备装置。终端设备可以包括各种具有无线通信功能的手持设备、车载设备、可穿戴设备、计算设备或连接到无线调制解调器的其它处理设备，还可以包括用户单元、蜂窝电话(cellular phone)、智能手机(smart phone)、无线数据卡、个人数字助理(personal digital assistant，PDA)电脑、平板型电脑、无线调制解调器(modem)、手持设备(handset)、膝上型电脑(laptop computer)、机器类型通信(machine type communication,MTC)终端、无线局域网(wireless local area networks，WLAN)中的站点(station，ST)，也可以是蜂窝电话、无绳电话、会话启动协议(session initiation protocol，SIP)电话、无线本地环路(wireless local loop，WLL)站等。
以5G NR系统为例，如图1所示，本申请实施例的一种实现方式包括以下步骤：
步骤101、网络设备为终端设备分配多个随机接入资源。
这些随机接入资源可以是物理随机接入信道(PRACH)资源。
这些随机接入资源可以被分配在不同频率的上行载波上，且这些上行载波对应同一个下行载波。
这些上行载波可以包括支持TDD的上行载波和支持FDD的上行载波。支持TDD的上行载波上的随机接入资源数量通常大于支持FDD的上行载波上的随机接入资源数量。这些上行载波也可以包括上行补充(supplementary uplink，SUL)载波。
以5G NR系统为例，这些随机接入资源可以包括在NR专用频带的上行载波以及NR和LTE共存的频带的上行载波上，而这两种上行载波均对应NR的下行载波。具体而言，这些随机接入资源可以被分配在频率为3.5GHz的频带上的上行载波上，以及频率为1.8GHz的频带上的上行载波上，而这两种上行载波均对应3.5GHz频率的下 行载波。为描述简洁起见，后续的NR专用频带以频率为3.5GHz的频带为例，NR和LTE共存的频带以频率为1.8GHz的频带为例，这种举例并不排除NR和LTE共存的频带也可以包含其他频率的频带。该3.5GHz的频带上的上行载波可以支持TDD，1.8GHz的频带上的上行载波则可以支持FDD。
该不同频率的上行载波还可以属于不同的无线接入技术。以5G NR系统为例，上述频率为3.5GHz的频带上的上行载波属于5G NR的接入技术，而上述频率为1.8GHz的频带上的上行载波则属于LTE的接入技术。
该频率为3.5GHz的频带上的上行载波可以包括一个上行载波，且该上行载波上可以有多个随机接入资源，比如有6个随机接入资源。
该频率为1.8GHz的频带上的上行载波可以包括一个上行载波，也可以包括多个上行载波，每个上行载波上可以有一个或多个随机接入资源，通常来讲，1.8GHz的频带上的每个上行载波上的随机接入资源数量少于3.5GHz的频带的上行载波上的随机接入资源数量。
对于同一个时间单元来说，这些随机接入资源在频域上可以针对不同的上行载波独立编号。比如，上述第一上行载波上的6个随机接入资源的频域资源序号可以为0、1、2、3、4、5，上述第二上行载波上的1个随机接入资源的频域资源序号可以为0。如果还有上述第三上行载波，则该第三上行载波上的1个随机接入资源的编号可以为1。
对于同一个时间单元来说，这些随机接入资源也可以针对所有的上行载波连续编号。比如，以3.5GHz频率的上行载波包括的一个上行载波，即第一上行载波上有6个随机接入资源，1.8GHz频率的上行载波包括的一个上行载波，即第二上行载波上有1个随机接入资源为例，则该第一上行载波上的6个随机接入资源的编号可以为0、1、2、3、4、5，该第二上行载波上的1个随机接入资源的编号为6。如果1.8GHz的频带上的上行载波上还包括其他上行载波，比如第三上行载波，则该第三上行载波上的1个随机接入资源的编号可以是7。
上述时间单元指一段时间长度，可以是一个子帧(subframe)、一个时隙(slot)、一个微时隙(mini-slot)或者一个符号等。该时间单元也可以是多个subframe、多个slot、多个mini-slot或者多个符号等。该时间单元可以是通信系统中用于调度传输块的时间单位。例如，该时间单元可以为传输时间间隔(transmission time interval，TTI)。
步骤102、该终端设备在需要接入网络时，从这些随机接入资源中选择一个随机接入资源，并通过所选择的随机接入资源向该网络设备发送随机接入信号。
该随机接入信号可以包括随机前导序列(preamble)。
为方便描述，将所选择的随机接入资源称为第一随机接入资源。该第一随机接入资源可以在前述3.5GHz的频带上的上行载波上，也可以在1.8GHz的频带上的上行载波上，当然，如果有其它频带的上行载波上也分配了随机接入资源，该第一随机接入资源也可以在该其他频带的上行载波上。
步骤103、在确定用于发送该信号的第一随机接入资源后，该终端设备即可确定与该第一随机接入资源对应的随机接入标识，且该第一随机接入资源在第一上行载波时所确定的第一随机接入标识与该第二随机接入资源在第二上行载波时所确定的第二 随机接入标识不同。
也即，该终端设备确定该随机接入标识可以是在发送用于随机接入的信号之前，也可以是在发送该信号之后。
该随机接入标识为与随机接入相关的一种标识。随机接入标识可以是RA-RNTI。
步骤104、该网络设备在收到该随机接入信号后，也需要根据发送该随机接入信号的第一随机接入资源确定对应的随机接入标识，且该第一随机接入资源在第一载波时所确定的第一随机接入标识与该第二随机接入资源在第二载波时所确定的第二随机接入标识不同。
具体来说，终端设备和网络设备确定随机接入标识的方法类似。
比如，可以针对不同载波使用不同的确定方法。
具体来说，当第一随机接入资源在第一上行载波时，计算的第一随机接入标识可以满足第一公式。该第一公式可以根据随机接入资源的时频资源序号计算随机接入标识。
比如，该第一公式可以包括前述公式(1)。也就是说，该第一随机接入标识可以按照该公式(1)计算。
S＝1+t_id+n1*f_id  (1)
其中，S为随机接入标识，t_id与终端设备发送随机接入信号所使用的随机接入资源相关，具体可以是该随机接入资源占用的第一个时间单元的序号，f_id则与终端设备发送随机接入信号所使用的随机接入资源相关，具体可以是该随机接入资源在该第一个时间单元中的频域资源序号，n1为整数，n1通常为正整数，当然也不排除为负整数的情况。
当第一随机接入资源在第二上行载波或第三上行载波时，计算的第二随机接入标识或第三随机接入标识可以满足第二公式。与第一公式不同的是，该第二公式根据随机接入资源的时频资源序号以及一个偏移量计算随机接入标识，或者根据随机接入资源的时频资源序号以及第二上行载波在上行载波集中的载波序号计算随机接入标识，该上行载波集包括至少一个上行载波，该上行载波集中的上行载波和该第一上行载波对应同一个下行载波。
比如，该第二公式包括下述公式(2)。也就是说，该第二随机接入标识或第三随机接入标识可以按照该公式(2)计算。
S＝1+t_id+n2*f_id+M  (2)
其中，S为随机接入标识，t_id为该随机接入资源占用的第一个时间单元的序号，f_id为该随机接入资源在所述第一个时间单元中的频域资源序号，n2和M均为正整数，当然也不排除n2和M中的至少一个为负整数的情况。该n2可以等于n1，也可以不等于n1。
或者，该第二公式包括下述公式(3)
S＝1+t_id+n2*f_id+n3*c_id+M  (3)
其中，S为随机接入标识，t_id为该随机接入资源占用的第一个时间单元的序号，f_id为该随机接入资源在所述第一个时间单元中的频域资源序号，c_id为该第二上行载波或第三上行载波在上行载波集中的载波序号，n2、n3和M均为正整数，当然也不 排除n2、n3和M中的至少一个为负整数的情况。类似地，该n2可以等于n1，也可以不等于n1。
该上行载波集包括至少一个上行载波，该上行载波集中的上行载波和该第一上行载波对应同一个下行载波。该上行载波集中包括的上行载波可以是都分配了随机接入资源的上行载波，也可以只有一部分上行载波分配了随机接入资源。以5G NR系统为例，该上行载波集中包括的上行载波为NR和LTE共存的频带上的那些上行载波。
或者，该第二公式包括其他公式，比如前述这些公式的类似变形，或者比如下述公式(a)和公式(b)。
S＝1+t_id+10*(n-1)+60  (a)
其中，S为随机接入标识，t_id为该随机接入资源占用的第一个时间单元的序号，n为该第二上行载波或第三上行载波在上述上行载波集中的载波序号。
如果该上行载波集中只有一个上行载波，比如第二上行载波，可以将上述公式(a)简化为公式(b)。
S＝1+t_id+60  (b)
再比如，如果分配的随机接入资源在频域上是连续编号，也即不同频率的上行载波上的随机接入资源的编号，即时频资源序号是不同的，则计算的各个随机接入标识可以满足前述公式(1)。其中，该时频资源序号不同，通常是指频域资源序号不同。
也就是说，各个随机接入标识可以按照前述公式(1)计算，从而这种方案可以直接使用现有技术的公式。显然，对于这种编号方式，也可以使用前述的其他各个公式中的一个计算这些随机接入标识。与前述方案类似地，也可以针对不同载波使用不同的公式。
如果分配的随机接入资源在频域上是独立编号，也即不同频率的上行载波上的随机接入资源的编号可能重复，则在确定随机接入标识时还需要结合上行载波的信息。比如，计算的各个随机接入标识可以满足第三公式。该第三公式根据随机接入资源的时频资源序号及载波标识计算随机接入标识。
比如，该第三公式可以包括下述公式(4)。也就是说，各个随机接入标识可以按照该公式(4)计算。
S＝1+t_id+n2*f_id+n3*carrier_id  (4)
其中，S为随机接入标识，t_id为该随机接入资源占用的第一个时间单元的序号，f_id为该随机接入资源在所述第一个时间单元中的频域资源序号，carrier_id为该第一上行载波或所述第二上行载波的标识，n2和n3均为正整数。这里载波的标识可以是载波索引。
对于需要结合上行载波的信息确定随机接入标识的实现方式来说，终端设备还需要确定载波索引。如果只有两个上行载波，则终端设备和网络设备可以根据设定的规则确定其中一个为第一上行载波，另一个为第二上行载波。当然也可以由网络设备进行配置，并将上行载波的标识发送给终端设备。比如，网络设备发送配置信息给终端设备，该配置信息用于指示目标上行载波的标识，该目标上行载波包括该终端设备能够发送随机接入信号的那些载波，该目标上行载波的标识包括该目标上行载波的载波索引。
如果有多个上行载波，则通常可以使用网络设备进行配置并发送配置信息的实现方式。
需要说明的是，本申请实施例网络设备进行配置并发送配置信息的实现方式，并不限于本申请实施例确定随机接入标识，还可以用于其他需要获取载波索引的情况。
步骤105、该网络设备根据确定的随机接入标识确定随机接入响应(RAR)，并将该RAR发送给该终端设备。
步骤106、该终端设备则根据确定的随机接入标识从该网络设备接收RAR。
上述方案中，由于根据各个随机接入资源确定的随机接入标识均不同，该终端设备和网络设备根据上述第一随机接入资源确定的随机接入标识不会与其他随机接入标识重复，所以该终端设备可以根据该随机接入标识从该网络设备正确地接收发送给该终端设备的RAR，从而避免了终端设备错误地接收其他终端设备的RAR，进而避免了终端设备因错误地接收RAR而影响随机接入性能。
如图2所示，本申请实施例还提供了用于执行上述网络设备侧方法的信息发送装置，该信息发送装置可以是网络设备。该信息发送装置包括收发器201和处理器202。
其中，该收发器201可以用于在一个随机接入资源上从终端设备接收所述终端设备的随机接入信号，所述随机接入资源在第一上行载波或第二上行载波上，所述第一上行载波和第二上行载波对应同一个下行载波；
该处理器202可以用于确定所述随机接入资源对应的随机接入标识，所述随机接入资源在所述第一上行载波时确定的随机接入标识为第一随机接入标识，所述随机接入资源在所述第二上行载波时确定的随机接入标识为第二随机接入标识，所述第一随机接入标识与所述第二随机接入标识不同；以及用于根据所确定的随机接入标识生成包含所述随机接入标识的随机接入响应；
该收发器201还可以用于将所述随机接入响应通过所述下行载波发送给所述终端设备。
该收发器201还用于，在接收所述随机接入信号之前，向所述终端设备发送配置信息，所述配置信息用于指示目标上行载波的标识，所述目标上行载波包括所述终端设备能够发送随机接入信号的一个或多个载波，所述目标上行载波的标识包括所述目标上行载波的载波索引，所述目标上行载波包括所述第一上行载波和所述第二上行载波。
如图3所示，本申请实施例还提供了用于执行上述终端设备侧方法的信息接收装置，该信息接收装置包括收发器301和处理器302。该信息接收装置可以是终端设备，也可以是基带芯片。
其中，该收发器301可以用于在一个随机接入资源上向网络设备发送随机接入信号，其中，所述随机接入资源在第一上行载波或第二上行载波上，所述第一上行载波和第二上行载波对应同一个下行载波；
处理器302可以用于确定所随机接入资源对应的随机接入标识，且所述随机接入资源在所述第一上行载波时确定的随机接入标识为第一随机接入标识，所述随机接入资源在所述第二上行载波时确定的随机接入标识为第二随机接入标识，所述第一随机接入标识与所述第二随机接入标识不同；
所述收发器301还可以用于在所述下行载波上从所述网络设备接收随机接入响应；
所述处理器302还可以用于根据所确定的随机接入标识确定包含所述随机接入标识的随机接入响应为发送给所述信息接收装置的随机接入响应。
该收发器302还可以用于，在发送所述随机接入信号之前，从所述网络设备接收配置信息，所述配置信息用于指示目标上行载波的标识，所述目标上行载波包括所述终端设备能够发送随机接入信号的一个或多个载波，所述目标上行载波的标识包括所述目标上行载波的载波索引，所述目标上行载波包括所述第一上行载波和所述第二上行载波。
对于上述信息发送装置和信息接收装置而言，其处理器中确定的第一随机接入标识和第二随机接入标识的相关描述如前述方法实施例所述。
本申请实施例还提供了另一种实施方式，具体如图4所示。该实施例中的一些描述与前述实施例相同或类似，下面主要针对一些不同点进行描述。该实施例包括以下步骤：
步骤401、网络设备为终端设备分配多个随机接入资源。
步骤402、该终端设备在需要接入网络时，从这些随机接入资源中选择一个随机接入资源，并通过所选择的随机接入资源向该网络设备发送信号。
该步骤401至402与前述步骤101至102类似，因此不再赘述。
步骤403、在确定用于发送该信号的第一随机接入资源后，该终端设备即可确定与该第一随机接入资源对应的随机接入标识。
步骤404、该网络设备在收到该信号后，也需要根据发送该信号的第一随机接入资源确定对应的随机接入标识。
上述步骤403和404中，与该第一随机接入资源对应的随机接入标识可以满足前述公式，也就是说，该随机接入标识可以按照前述公式计算得到。
步骤405、该网络设备根据确定的随机接入标识确定RAR，将该RAR发送给该终端设备，并将用于指示包含该第一随机接入资源的上行载波的指示信息发送给该终端设备。
其中，该第一指示信息可以包含在RAR中，具体可以携带在承载该RAR的PDSCH中，也可以携带在调度该PDSCH的PDCCH中。
如果有一个第一上行载波，一个第二第二上行载波，则该第一指示信息可以包含1比特，其中，状态0指示该第一上行载波，状态1指示该第二上行载波。
如果有一个第一上行载波，一个第二上行载波，以及一个第三上行载波，或者进一步包括一个第四上行载波，则该第一指示信息可以包含2比特，用于指示这些上行载波。比如，状态00指示第一上行载波，状态01指示第二上行载波，状态10指示第三上行载波，状态11指示第四上行载波。这里只是举例，也可以其他指示方式。每个载波都有个载波标识，该第一指示信息指示这些载波标识，该载波标识可以是载波索引。
步骤406、该终端设备接收该指示信息及RAR，并根据该指示信息及随机接入标识确定该RAR是否为发送给该终端设备的RAR。
具体来说，该终端设备根据该指示信息确定其所指示的上行载波，在该RAR中的 随机接入标识为该终端设备的随机接入标识的前提下，如果承载该第一随机接入资源的上行载波为该指示信息所指示的上行载波，则确定该RAR为发送给该终端设备的RAR，相应地，该终端设备可以根据该RAR进行后续的接入处理；如果承载该第一随机接入资源的上行载波不是该指示信息所指示的上行载波，则确定该RAR不是发送给该终端设备的RAR，相应地，该终端设备则不能根据该RAR进行后续处理，如该终端设备还需要接入网络，则可以重新发送随机接入信号。
上述方案中，可用于发送随机接入信号的上行载波有多个，在这些上行载波中的随机接入资源序号可能相同，因此针对不同终端设备的随机接入标识可能有重复，本申请实施例通过该网络设备为该终端设备发送用于指示上行载波的指示信息，使得在随机接入标识有重复的情况下，终端设备可以根据该指示信息确定承载该第一随机接入资源的上行载波是否为该指示信息所指示的上行载波，从而可以确定该网络设备发送的RAR是否为发送给本终端设备的RAR，因此避免了终端设备错误地接收其他终端设备的RAR，进而避免了终端设备因错误地接收RAR而影响随机接入性能。
与图4所述方案对应的，本申请实施例还提供了一种信息发送装置，该装置可以包括收发器和处理器。
该收发器用于在第一随机接入资源上从终端设备接收所述终端设备的随机接入信号，所述随机接入资源在第一上行载波或第二上行载波上，所述第一上行载波和第二上行载波对应同一个下行载波；
该处理器可以用于确定所述随机接入资源对应的随机接入标识，根据所确定的随机接入标识生成包含所述随机接入标识的随机接入响应，以及生成用于指示包含该第一随机接入资源的上行载波的指示信息；
该收发器还可以用于将该指示信息以及随机接入响应通过所述下行载波发送给所述终端设备。
与图4所述方案对应的，本申请实施例还提供了一种信息接收装置，该装置可以包括收发器和处理器。
该收发器可以用于在第一随机接入资源上向网络设备发送随机接入信号，其中，所述随机接入资源在第一上行载波或第二上行载波上，所述第一上行载波和第二上行载波对应同一个下行载波，以及用于接收用于指示包含该第一随机接入资源的上行载波的指示信息及随机接入响应；
该处理器可以用于确定该第一随机接入资源对应的随机接入标识，并根据该随机接入标识及该指示信息确定该随机接入响应是否为发送给该终端设备的随机接入响应。
需要说明的是，上述各装置实施例中的收发器可以是收发单元，处理器可以是处理单元。
本申请实施例还提供了一种装置，该装置以芯片的产品形态存在，该装置包括处理器、存储器，存储器用于存储程序指令，处理器通过执行存储器中存储的程序指令实现上述图1或图4所示方法中终端设备侧的步骤。
图5示出了本申请实施例所涉及的诸如终端设备之类的通信设备的一种可能的设计结构的简化示意图，所述通信设备可以是图3中所示的信息接收装置。所述通信设备包括收发器51，控制器/处理器52，还可包括存储器53和调制解调处理器54。
收发器51调节(例如，模拟转换、滤波、放大和上变频等)该输出采样并生成上行链路信号，该上行链路信号经由天线发射给上述实施例中中所述的基站。在下行链路上，天线接收上述实施例中基站发射的下行链路信号。收发器51调节(例如，滤波，放大、下变频以及数字化等)从天线接收的信号并提供输入采样。在调制解调处理器54中，编码器541接收要在上行链路上发送的业务数据和信令消息，并对业务数据和信令消息进行处理(例如，格式化、编码和交织)。调制器542进一步处理(例如，符号映射和调制)编码后的业务数据和信令消息并提供输出采样。解码器543处理(例如，解交织和解码)该符号估计并提供发送给终端设备的已解码的数据和信令消息。解调器544处理(例如解调)该输入采样并提供符号估计。编码器541、调制器542、解码器543和解调器544可以由合成的调制解调处理器54来实现。这些单元根据无线接入网采用的无线技术(例如，LTE及其他演进系统的接入技术)来进行处理。
控制器/处理器52对诸如终端设备之类的通信设备的动作进行控制管理，用于执行上述实施例中由终端设备进行的处理。终端设备接收网络设备发送的第一信息，根据所述第一信息确定上行子载波的映射方式。作为示例，控制器/处理器52可用于支持终端设备执行图1或图4中所涉及终端设备的内容。存储器53用于存储用于所述终端设备的程序代码和数据。
在上述实施例中，可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件程序实现时，可以全部或部分地以计算机程序产品的形式来实现。该计算机程序产品包括一个或多个计算机指令。在计算机上加载和执行计算机程序指令时，全部或部分地产生按照本申请实施例的流程或功能。计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。计算机指令可以存储在计算机可读存储介质中，或者从一个计算机可读存储介质向另一个计算机可读存储介质传输，例如，计算机指令可以从一个网站站点、计算机、服务器或者数据中心通过有线(例如同轴电缆、光纤、数字用户线(digital subscriber line，简称DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。计算机可读存储介质可以是计算机能够存取的任何可用介质或者是包含一个或多个可以用介质集成的服务器、数据中心等数据存储设备。可用介质可以是磁性介质(例如，软盘、硬盘、磁带)，光介质(例如，DVD)、或者半导体介质(例如固态硬盘(solid state disk，简称SSD))等。
虽然通过参照本申请的某些优选实施方式，已经对本发明实施例进行了图示和描述，但本领域的普通技术人员应该明白，可以在形式上和细节上对其作各种改变，而不偏离本申请的范围。

Claims (17)

  1. 一种信息发送方法，其特征在于，所述方法包括：
    网络设备在一个随机接入资源上从终端设备接收所述终端设备的随机接入信号，所述随机接入资源在第一上行载波或第二上行载波上，所述第一上行载波和第二上行载波对应同一个下行载波，所述第一上行载波为上行补充SUL载波，所述第二上行载波为时分双工TDD上行载波；
    所述网络设备确定所述随机接入资源对应的随机接入无线网络临时标识RA-RNTI，所述随机接入资源在所述SUL载波时确定的RA-RNTI为第一RA-RNTI，所述随机接入资源在所述TDD上行载波时确定的RA-RNTI为第二RA-RNTI，所述第一RA-RNTI与所述第二RA-RNTI不同；
    所述网络设备根据所确定的RA-RNTI生成随机接入响应，并将包含所述随机接入标识的所述随机接入响应通过所述下行载波发送给所述终端设备。
  2. 根据权利要求1所述的方法，其特征在于，在所述网络设备接收所述随机接入信号之前，所述方法进一步包括：
    所述网络设备向所述终端设备发送配置信息，所述配置信息用于指示目标上行载波的标识，所述目标上行载波包括所述终端设备能够发送随机接入信号的一个或多个载波，所述目标上行载波的标识包括所述目标上行载波的载波索引，所述目标上行载波包括所述第一上行载波和所述第二上行载波。
  3. 一种信息接收方法，其特征在于，所述方法包括：
    终端设备在一个随机接入资源上向网络设备发送随机接入信号，其中，所述随机接入资源在第一上行载波或第二上行载波上，所述第一上行载波和第二上行载波对应同一个下行载波，所述第一上行载波为上行补充SUL载波，所述第二上行载波为时分双工TDD上行载波；
    所述终端设备确定所随机接入资源对应的随机接入无线网络临时标识RA-RNTI，且所述随机接入资源在所述SUL载波时确定的RA-RNTI为第一RA-RNTI，所述随机接入资源在所述TDD上行载波时确定的RA-RNTI为第二RA-RNTI，所述第一RA-RNTI与所述第二RA-RNTI不同；
    所述终端设备根据所确定的RA-RNTI在所述下行载波上从所述网络设备接收包含所述RA-RNTI的随机接入响应。
  4. 根据权利要求3所述的方法，其特征在于，在所述终端设备发送所述随机接入信号之前，所述方法进一步包括：
    所述终端设备从所述网络设备接收配置信息，所述配置信息用于指示目标上行载波的标识，所述目标上行载波包括所述终端设备能够发送随机接入信号的一个或多个载波，所述目标上行载波的标识包括所述目标上行载波的载波索引，所述目标上行载波包括所述第一上行载波和所述第二上行载波。
  5. 一种信息发送装置，其特征在于，包括：
    收发器，用于在一个随机接入资源上从终端设备接收所述终端设备的随机接入信号，所述随机接入资源在第一上行载波或第二上行载波上，所述第一上行载波和第二上行载波对应同一个下行载波；
    处理器，用于确定所述随机接入资源对应的随机接入标识，所述随机接入资源在所述第一上行载波时确定的随机接入标识为第一随机接入标识，所述随机接入资源在所述第二上行载波时确定的随机接入标识为第二随机接入标识，所述第一随机接入标识与所述第二随机接入标识不同；以及用于根据所确定的随机接入标识生成包含所述随机接入标识的随机接入响应；
    所述收发器还用于将所述随机接入响应通过所述下行载波发送给所述终端设备。
  6. 根据权利要求5所述的装置，其特征在于，
    所述收发器还用于，在接收所述随机接入信号之前，向所述终端设备发送配置信息，所述配置信息用于指示目标上行载波的标识，所述目标上行载波包括所述终端设备能够发送随机接入信号的一个或多个载波，所述目标上行载波的标识包括所述目标上行载波的载波索引，所述目标上行载波包括所述第一上行载波和所述第二上行载波。
  7. 一种信息接收装置，其特征在于，包括：
    收发器，用于在一个随机接入资源上向网络设备发送随机接入信号，其中，所述随机接入资源在第一上行载波或第二上行载波上，所述第一上行载波和第二上行载波对应同一个下行载波；
    处理器，用于确定所随机接入资源对应的随机接入标识，且所述随机接入资源在所述第一上行载波时确定的随机接入标识为第一随机接入标识，所述随机接入资源在所述第二上行载波时确定的随机接入标识为第二随机接入标识，所述第一随机接入标识与所述第二随机接入标识不同；
    所述收发器，还用于在所述下行载波上从所述网络设备接收随机接入响应；
    所述处理器，还用于根据所确定的随机接入标识确定包含所述随机接入标识的随机接入响应为发送给所述信息接收装置的随机接入响应。
  8. 根据权利要求7所述的装置，其特征在于，
    所述收发器还用于，在发送所述随机接入信号之前，从所述网络设备接收配置信息，所述配置信息用于指示目标上行载波的标识，所述目标上行载波包括所述终端设备能够发送随机接入信号的一个或多个载波，所述目标上行载波的标识包括所述目标上行载波的载波索引，所述目标上行载波包括所述第一上行载波和所述第二上行载波。
  9. 根据权利要求1至4任一项所述的方法，或者根据权利要求5至8任一项所述的装置，其特征在于，
    所述随机接入资源在所述第一上行载波时所确定的第一随机接入标识满足第一公式，所述网络设备在所述随机接入资源在所述第二上行载波时所确定的第二随机接入标识满足第二公式，所述第一公式与所述第二公式不同。
  10. 根据权利要求9所述的方法或装置，其特征在于，
    所述第一公式根据随机接入资源的时频资源序号计算随机接入标识；
    所述第二公式根据随机接入资源的时频资源序号以及一个偏移量计算随机接入标识；或者，
    所述第二公式根据随机接入资源的时频资源序号以及第二上行载波在上行载波集中的载波序号计算随机接入标识，所述上行载波集包括至少一个上行载波，所述上行载波集中的上行载波和所述第一上行载波对应同一个下行载波。
  11. 根据权利要求9或10所述的方法或装置，其特征在于，
    所述第一公式包括公式(1)：
    S＝1+t_id+n1*f_id  (1)
    其中，S为随机接入标识，t_id为所述随机接入资源占用的第一个时间单元的序号，f_id为所述随机接入资源在所述第一个时间单元中的频域资源序号，n1为正整数；
    所述第二公式包括公式(2)：
    S＝1+t_id+n2*f_id+M  (2)
    其中，S为随机接入标识，t_id为所述随机接入资源占用的第一个时间单元的序号，f_id为所述随机接入资源在所述第一个时间单元中的频域资源序号，n2和M均为正整数；
    或者，所述第二公式包括公式(3)：
    S＝1+t_id+n2*f_id+n3*c_id+M  (3)
    其中，S为随机接入标识，t_id为所述随机接入资源占用的第一个时间单元的序号，f_id为所述随机接入资源在所述第一个时间单元中的频域资源序号，c_id为所述第二上行载波在上行载波集中的载波序号，所述上行载波集包括至少一个上行载波，所述上行载波集中的上行载波和所述第一上行载波对应同一个下行载波，n2、n3和M均为正整数。
  12. 根据权利要求1至4任一项所述的方法，或者根据权利要求5至8任一项所述的装置，其特征在于，所述SUL载波上的随机接入资源中的至少一个随机接入资源的频域资源序号与所述TDD上行载波上的随机接入资源中的至少一个随机接入资源的频域资源序号相同，
    所述随机接入资源在所述SUL载波时所确定的第一RA-RNTI，以及所述随机接入资源在所述TDD上行载波时所确定的第二RA-RNTI满足第三公式，所述第三公式根据随机接入资源占用的第一个符号的序号，所述随机接入资源在所述第一个符号中的频域资源序号及所述SUL载波或所述TDD上行载波的载波标识计算RA-RNTI。
  13. 根据权利要求12所述的方法或装置，其特征在于，
    所述第三公式包括公式(4)：
    S＝1+t_id+n2*f_id+n3*carrier_id  (4)
    其中，S为RA-RNTI，t_id为所述随机接入资源占用的第一个符号的序号，f_id为所述随机接入资源在所述第一个符号中的频域资源序号，carrier_id为所述SUL载波或所述TDD上行载波的标识，n2和n3均为大于1的正整数。
  14. 根据权利要求1至4任一项所述的方法，或者根据权利要求5至8任一项所述的装置，其特征在于，对于同一个时间单元，所述第一上行载波上的任一个随机接入资源的频域资源序号与所述第二上行载波上的任一个随机接入资源的频域资源序号均不同。
  15. 根据权利要求14所述的方法或装置，其特征在于，
    所述所述随机接入资源在所述第一上行载波时确定的第一随机接入标识，以及所述随机接入资源在所述第二上行载波时确定的第二随机接入标识满足同一个公式，
    其中，所述公式根据随机接入资源的时频资源序号计算随机接入标识；
    或者，所述公式根据随机接入资源的时频资源序号以及一个偏移量计算随机接入标识；
    或者，所述公式根据随机接入资源的时频资源序号以及第二上行载波在上行载波集中的载波序号计算随机接入标识，所述上行载波集包括至少一个上行载波，所述上行载波集中的上行载波和所述第一上行载波对应同一个下行载波。
  16. 根据权利要求15所述的方法或装置，其特征在于，所述随机接入资源在所述第一上行载波时确定的第一随机接入标识，以及所述随机接入资源在所述第二上行载波时确定的第二随机接入标识满足以下公式(1)至公式(4)中的一个，
    S＝1+t_id+n1*f_id  (1)
    其中，S为随机接入标识，t_id为所述随机接入资源占用的第一个时间单元的序号，f_id为所述随机接入资源在所述第一个时间单元中的频域资源序号，n1为正整数；
    S＝1+t_id+n2*f_id+M  (2)
    其中，S为随机接入标识，t_id为所述随机接入资源占用的第一个时间单元的序号，f_id为所述随机接入资源在所述第一个时间单元中的频域资源序号，n2和M均为正整数；
    S＝1+t_id+n2*f_id+n3*c_id+M  (3)
    其中，S为随机接入标识，t_id为所述随机接入资源占用的第一个时间单元的序号，f_id为所述随机接入资源在所述第一个时间单元中的频域资源序号，c_id为所述第二上行载波在上行载波集中的载波序号，所述上行载波集包括至少一个上行载波，所述上行载波集中的上行载波和所述第一上行载波对应同一个下行载波，n2、n3和M均为正整数；
    S＝1+t_id+n2*f_id+n3*carrier_id  (4)
    其中，S为随机接入标识，t_id为所述随机接入资源占用的第一个时间单元的序号，f_id为所述随机接入资源在所述第一个时间单元中的频域资源序号，carrier_id为所述第一上行载波或所述第二上行载波的标识，n2和n3均为正整数。
  17. 根据权利要求1至4任一项所述的方法，或者根据权利要求5至8任一项所述的装置，或者根据权利要求9至16任一项所述的方法或装置，其特征在于，
    所述第一上行载波所在的频带与所述第二上行载波所在的频带不同。
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