WO2018098640A1 - Procédé, appareil, et système de communication - Google Patents

Procédé, appareil, et système de communication Download PDF

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Publication number
WO2018098640A1
WO2018098640A1 PCT/CN2016/107755 CN2016107755W WO2018098640A1 WO 2018098640 A1 WO2018098640 A1 WO 2018098640A1 CN 2016107755 W CN2016107755 W CN 2016107755W WO 2018098640 A1 WO2018098640 A1 WO 2018098640A1
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Prior art keywords
access preamble
base station
coding type
coding
access
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PCT/CN2016/107755
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English (en)
Chinese (zh)
Inventor
侯智强
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华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201680090459.2A priority Critical patent/CN109997401B/zh
Priority to PCT/CN2016/107755 priority patent/WO2018098640A1/fr
Publication of WO2018098640A1 publication Critical patent/WO2018098640A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA

Definitions

  • the present application relates to the field of wireless communication technologies, and in particular, to a communication method, device, and system.
  • the encoding mode of the wireless channel defined in the existing communication protocol requires that the coding mode of the user equipment (User Equipment, UE) and the network device must be consistent. Otherwise, the other party will fail to decode and cannot establish a connection. For example, in the current random access procedure, if the coding modes of the UE and the base station are inconsistent, the random access procedure will fail.
  • UE User Equipment
  • the embodiments of the present application provide a communication method, device, and system to ensure at least the consistency of coding modes of a UE and a network device in a communication process.
  • the embodiment of the present application provides the following technical solutions:
  • a communication method includes: receiving, by a base station, an access preamble sent by a user equipment UE; the base station determining, according to an access preamble of the UE, an encoding type supported by the UE; and the base station according to the coding type supported by the UE Determining a first coding type; the base station transmitting an access response to the UE, wherein the access response is encoded using the first coding type. That is, in the communication method provided by the embodiment of the present application, after the UE sends the access preamble to the base station, the base station can learn the coding type supported by the UE, and further determine the first coding type based on the coding type supported by the UE.
  • an access response is sent to the UE.
  • the UE may be successfully decoded because the coding mode of the base station and the UE are consistent, and the UE may be successfully accessed.
  • the determining, by the base station, the coding type supported by the UE according to the access preamble of the UE includes: determining, by the base station, an identifier of an access preamble of the UE according to an access preamble of the UE; The identifier of the access preamble and the correspondence between the identifier of the access preamble and the coding type determine the coding type supported by the UE. That is, the mapping between the identifier of the access preamble and the coding type is pre-configured in the base station. After determining the identifier of the access preamble according to the received access preamble, the base station may determine the coding type supported by the UE based on the correspondence.
  • the type of encoding supported by the UE includes the first encoding type.
  • the access preamble is used for a contention based random access procedure.
  • the method before the base station receives the access preamble sent by the UE, the method further includes: sending, by the base station, a correspondence between the identifier of the access preamble and the coding type to the UE by using multiple coding types, the multiple coding The type includes one of the encoding types supported by the UE. After the UE receives the correspondence between the identifier of the access preamble and the coding type, the correspondence between the access preamble and the coding type may be saved according to the correspondence.
  • the second aspect provides a communication method, where the user equipment UE sends an access preamble to the base station by using the coding type supported by the UE, and the UE receives the access response sent by the base station, where the access response is
  • the first coding type is encoded, and the first coding type is determined by the base station according to the coding type supported by the UE. That is, in the communication method provided by the embodiment of the present application, after the UE sends the access preamble to the base station, the base station can learn the coding type supported by the UE, and further determine the first coding type based on the coding type supported by the UE. After the access response is encoded by using the first coding type, an access response is sent to the UE. In this way, after receiving the access response, the UE may be successfully decoded because the coding mode of the base station and the UE are consistent, and the UE may be successfully accessed.
  • the UE sends an access preamble to the base station by using the coding type supported by the UE, including: the UE acquiring the correspondence between the access preamble and the coding type; and the UE according to the access preamble and the coding type.
  • the access preamble corresponding to the coding type supported by the UE is sent to the base station by using the coding type supported by the UE. That is to say, the access preamble sent by the UE to the base station is an access preamble corresponding to the coding type supported by the UE.
  • the correspondence between the access preamble and the coding type is stored in the UE.
  • the method before the UE sends an access preamble to the base station by using the coding type supported by the UE, the method further includes: receiving, by the UE, the identifier of the access preamble sent by the base station to the UE by using multiple coding types.
  • the identifier of the access preamble uniquely corresponds to one access preamble
  • the multiple coding types include at least one of the coding types supported by the UE; and the UE corresponds to the coding type according to the identifier of the access preamble Relationship, the correspondence between the access preamble and the coding type is saved.
  • the correspondence between the access preamble and the coding type may be pre-stored in the UE, or may be the identifier and coding type of the access preamble sent by the UE to the UE by using multiple coding types.
  • the correspondence between the access preamble and the coding type is saved according to the correspondence between the identifier of the access preamble and the coding type, and the identifier of the access preamble uniquely corresponds to one access preamble, and the multiple coding types include at least one One of the encoding types supported by the UE.
  • the embodiment of the present application does not specifically limit how the UE obtains the correspondence between the access preamble and the coding type.
  • the type of encoding supported by the UE includes the first encoding type.
  • the access preamble is used for a contention based random access procedure.
  • a base station including: a receiving module, a determining module, and a sending module; the receiving module is configured to receive an access preamble sent by the user equipment UE, and the determining module is configured to determine, according to an access preamble of the UE, a coding type supported by the UE; the determining module is further configured to determine a first coding type according to an encoding type supported by the UE; the sending module is configured to send an access response to the UE, where the access response is The first encoding type is encoded.
  • the determining module determines, according to an access preamble of the UE, an encoding type supported by the UE, including: determining, according to an access preamble of the UE, an identifier of an access preamble of the UE; and accessing according to the UE
  • the identifier of the preamble and the correspondence between the identifier of the access preamble and the coding type determine the coding type supported by the UE.
  • the type of encoding supported by the UE includes the first encoding type.
  • the access preamble is used for a contention based random access procedure.
  • the sending module is further configured to: before the receiving module receives the access preamble sent by the UE, send the identifier of the access preamble to the UE by using multiple coding types.
  • a correspondence of code types including one of coding types supported by the UE.
  • the base station provided by the embodiment of the present application can be used to perform the communication method of the foregoing first aspect. Therefore, the technical effects that can be obtained by reference to the foregoing method embodiments are not described herein.
  • a fourth aspect of the present invention provides a user equipment UE, where the UE includes: a sending module and a receiving module; the sending module is configured to send an access preamble to the base station by using an encoding type supported by the UE; and the receiving module is configured to receive the base station The received access response, wherein the access response is encoded by the first coding type, and the first coding type is determined by the base station according to the coding type supported by the UE.
  • the sending module sends an access preamble to the base station by using the coding type supported by the UE, including: obtaining a correspondence between the access preamble and the coding type; and according to the correspondence between the access preamble and the coding type, The access preamble corresponding to the coding type supported by the UE is sent to the base station by using the coding type supported by the UE.
  • the correspondence between the access preamble and the coding type is stored in the UE.
  • the UE further includes a storage module, and the receiving module is further configured to: before the sending module sends the access preamble to the base station by using the coding type supported by the UE, receiving the base station to adopt multiple coding types to Corresponding relationship between the identifier of the access preamble and the coding type sent by the UE, where the identifier of the access preamble uniquely corresponds to one access preamble, and the multiple coding types include at least one of coding types supported by the UE; the storage module, The function is further configured to save the correspondence between the access preamble and the coding type according to the correspondence between the identifier of the access preamble and the coding type.
  • the type of encoding supported by the UE includes the first encoding type.
  • the access preamble is used for a contention based random access procedure.
  • the UE provided by the embodiment of the present application can be used to perform the communication method of the foregoing first aspect. Therefore, the technical effects that can be obtained by reference to the foregoing method embodiments are not described herein.
  • a fifth aspect provides a communication device, including: a processor, a memory, a bus, and a communication interface; the memory is configured to store a computer execution instruction, and the processor is connected to the memory through the bus, when the communication device is running, The processor executing the computer-executable instructions stored by the memory to cause the communication device to perform the communication method of any of the above first aspects, or to cause the communication device to perform the communication of any of the above second aspects method.
  • the embodiment of the present application provides a computer storage medium, configured to store computer software instructions used by the base station or the UE, and includes a program designed to perform the foregoing aspects for a base station or a UE.
  • the embodiment of the present application provides a computer program, where the computer program includes instructions, when the computer program is executed by a computer, to enable the computer to perform the communication method according to any one of the first aspect or the second aspect. Process.
  • FIG. 1 is a schematic diagram of an existing contention-based random access procedure
  • FIG. 2 is a schematic structural diagram of a communication system according to an embodiment of the present application.
  • FIG. 3 is a schematic structural diagram of a communication device according to an embodiment of the present application.
  • FIG. 4 is a schematic flowchart 1 of a communication method according to an embodiment of the present application.
  • FIG. 5 is a second schematic flowchart of a communication method according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram 1 of a base station according to an embodiment of the present application.
  • FIG. 7 is a schematic structural diagram 2 of a base station according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic structural diagram 1 of a UE according to an embodiment of the present application.
  • FIG. 9 is a schematic structural diagram 2 of a UE according to an embodiment of the present disclosure.
  • the random access procedure is divided into a contention based random access procedure and a non-contention based random access procedure.
  • different random access types are distinguished by setting different Preamble ID intervals. For example, the Preamble ID of the [0, A) interval is allocated for contention-based random access, and the Preamble ID of the [A, C] interval is allocated for non-contention based random access.
  • FIG. 1 is an existing contention-based random access procedure, including: S101: A UE sends a random access preamble to a base station. S102. The base station sends a random access response to the UE. S103. Perform radio resource control (RRC) connection establishment between the base station and the UE. If the random access of the UE is successful, the method further includes: S104: The UE sends a UE capability request to the base station. S105. The base station sends, to the UE, capability information of the UE, such as a coding type supported by the UE.
  • the random access response in step S102 needs to be encoded by the base station and then sent to the UE. For some types of UEs, the base station does not know the capability of the UE when encoding the random access response, so that the UE may fail to decode after receiving the random access response sent by the base station, thereby causing random access. failure.
  • FIG. 2 is a schematic structural diagram of a communication system provided by an embodiment of the present application, where the communication system includes a base station and multiple UEs in a cell managed by the base station.
  • the base station can separately communicate with each of the multiple UEs.
  • the foregoing communication system can be applied to the current LTE or LTE-A system, and can also be applied to other networks in the future, such as a 5th-generation (5G) network in the future.
  • 5G 5th-generation
  • the foregoing communication system may be used for random access, and may also be used for other processes including an access preamble, which is not specifically limited in this embodiment of the present application.
  • the UE in this embodiment is a terminal device, and may be a mobile terminal device or a non-mobile terminal device.
  • the device is mainly used to receive or send business data.
  • User equipment can be distributed in the network. User equipments have different names in different networks, such as: terminals, mobile stations, subscriber units, stations, cellular phones, personal digital assistants, wireless modems, wireless communication devices, handheld devices, knees. Upper computer, cordless phone, wireless local loop station, etc.
  • the user equipment can communicate with one or more core networks via a Radio Access Network (RAN), such as exchanging voice and/or data with the radio access network.
  • RAN Radio Access Network
  • the base station in the embodiment of the present application is a device deployed in a radio access network to provide a wireless communication function.
  • An apparatus that provides a base station function for example, in an LTE system or an LTE-A system, includes an evolved Node B (eNB).
  • eNB evolved Node B
  • the base station and the UE in the communication system shown in FIG. 2 can be implemented by the communication device (or system) in FIG.
  • FIG. 3 is a schematic diagram of a communication device according to an embodiment of the present application.
  • the communication device 300 includes at least one processor 301, a communication bus 302, a memory 303, and at least one communication interface 304.
  • the processor 301 can be a general central processing unit (CPU), a microprocessor, an application-specific integrated circuit (ASIC), or one or more for controlling the execution of the program of the present application. integrated circuit.
  • CPU central processing unit
  • ASIC application-specific integrated circuit
  • Communication bus 302 can include a path for communicating information between the components described above.
  • the communication interface 304 uses a device such as any transceiver for communicating with other devices or communication networks, such as Ethernet, radio access network (RAN), wireless local area networks (WLAN), etc. .
  • a device such as any transceiver for communicating with other devices or communication networks, such as Ethernet, radio access network (RAN), wireless local area networks (WLAN), etc. .
  • RAN radio access network
  • WLAN wireless local area networks
  • the memory 303 can be a read-only memory (ROM) or other type of static storage device that can store static information and instructions, a random access memory (RAM) or other type that can store information and instructions.
  • the dynamic storage device can also be an electrically erasable programmable read-only memory (EEPROM), a compact disc read-only memory (CD-ROM) or other optical disc storage, and a disc storage device. (including compressed light A disc, a laser disc, a compact disc, a digital versatile disc, a Blu-ray disc, etc., a magnetic disk storage medium or other magnetic storage device, or can be used to carry or store a desired program code in the form of an instruction or data structure and can be stored by the communication device 300. Any other media taken, but not limited to this.
  • the memory can exist independently and be connected to the processor via a bus.
  • the memory can also be integrated with the processor.
  • the memory 303 is used to store application code for executing the solution of the present application, and is controlled by the processor 301 for execution.
  • the processor 301 is configured to execute the application code stored in the memory 303, thereby implementing the communication method in the embodiment of the present application.
  • processor 301 may include one or more CPUs, such as CPU0 and CPU1 in FIG.
  • communication device 300 can include multiple processors, such as processor 301 and processor 308 in FIG. Each of these processors can be a single-CPU processor or a multi-core processor.
  • processors herein may refer to one or more devices, circuits, and/or processing cores for processing data, such as computer program instructions.
  • the communication device 300 can also include an output device 305 and an input device 306.
  • Output device 305 is in communication with processor 301 and can display information in a variety of ways.
  • the output device 305 can be a liquid crystal display (LCD), a light emitting diode (LED) display device, a cathode ray tube (CRT) display device, or a projector. Wait.
  • Input device 306 is in communication with processor 301 and can accept user input in a variety of ways.
  • input device 306 can be a mouse, keyboard, touch screen device, or sensing device, and the like.
  • the communication device 300 described above may be a general communication device or a dedicated communication device.
  • the communication device 300 can be a desktop computer, a portable computer, a network server, a personal digital assistant (PDA), a mobile phone, a tablet computer, a wireless terminal device, a communication device, an embedded device, or have FIG. A device of similar structure.
  • PDA personal digital assistant
  • the embodiment of the present application does not limit the type of the communication device 300.
  • FIG. 4 a schematic flowchart of a communication method provided by an embodiment of the present application is an example of interaction between any UE and a base station in the communication system shown in FIG. 2, including, for example, Next steps:
  • the UE sends an access preamble to the base station by using an encoding type supported by the UE.
  • the type of the code supported by the UE may be one, or may be multiple, which is not specifically limited in this embodiment of the present application.
  • the UE sends the access preamble to the base station by using the coding type supported by the UE, which may include:
  • the UE obtains the correspondence between the access preamble and the coding type. According to the correspondence, the access preamble corresponding to the coding type supported by the UE is sent to the base station by using the coding type supported by the UE.
  • the correspondence between the access preamble and the coding type may be pre-stored in the UE, or may be the correspondence between the identifier of the access preamble and the coding type sent by the UE to the UE by using multiple coding types.
  • One. The embodiment of the present application does not specifically limit how the UE obtains the correspondence between the access preamble and the coding type.
  • the corresponding relationship between the access preamble and the coding type may be the corresponding relationship between the access preamble sequence and the coding type, or the correspondence between the access preamble identifier and the coding type, which is not specifically limited in this embodiment of the present application.
  • the following is an example in which the correspondence between the access preamble and the coding type is specifically the correspondence between the access preamble and the coding type. The following two situations may be used.
  • the communication method is specifically applied to a contention-based random access procedure, and a Preamble ID defining an interval of [0, A) in an existing protocol is allocated to contention-based random access, [A, C] interval
  • the Preamble ID is assigned to non-contention based random access usage. That is to say, the range of the Preamble ID is 0 to C, and in the embodiment of the present application:
  • the correspondence between the coding type of the access preamble and the contention based random access and the non-contention based random access may be as shown in Table 1:
  • the division interval of the Preamble ID in the existing protocol may be changed. It is clearly defined in the protocol that the range of preamble IDs is re-divided into different groups, and each group is used for random access by different types of UEs. For example, in Table 1, the Preamble ID defining the [0, x1) interval is used to support low-density parity-check (LDPC)-encoded UE access, and the Prexmble ID of the [x1, x2) interval.
  • LDPC low-density parity-check
  • Preamble ID for [x2, x3) interval is used for UE access supporting Polar coding and Turbo coding
  • Preamble ID for [x3, C] interval is used for UEs of various capabilities based on Non-competitive random access is used.
  • the correspondence between the foregoing access preamble and the coding type is usually after the UE receives the correspondence between the identifier of the access preamble and the coding type sent by the base station to the UE by using multiple coding types, and according to the identifier and coding of the access preamble.
  • the correspondence of types is stored in the UE.
  • the method further includes: the UE receiving the correspondence between the identifier of the access preamble and the coding type sent by the base station to the UE by using multiple coding types, where The identifier of the access preamble uniquely corresponds to one access preamble, and the multiple coding types include at least one of the coding types supported by the UE; and further, the UE saves the access preamble according to the correspondence between the identifier of the access preamble and the coding type. Correspondence with the encoding type.
  • the access preamble corresponding to the coding type supported by the UE may be sent to the base station according to the correspondence type. For example, if the UE supports LDPC coding, according to Table 1, the Preamble ID of the [0, x1) interval is used for support. The LDPC-encoded UE is accessed. Therefore, the UE can select an access preamble in the [0, x1) interval for random access by using the coding type supported by the UE.
  • Table 1 is only an exemplary example of LDPC encoding, Turbo encoding, and Polar encoding.
  • other encoding methods may exist, or other grouping situations may exist.
  • the embodiment does not specifically limit this.
  • the value of the interval endpoints x1, x2, and x3 may be the same as the value of the interval endpoint A in the existing protocol, or may be different, which is not specifically limited in this embodiment of the present application.
  • the correspondence between the coding type of the access preamble and the contention-based random access and the non-contention-based random access may be as shown in Table 2:
  • the division interval of the contention-based random access and the non-contention-based random access Preamble ID in the existing protocol may not be changed, but the protocol defines a mandatory coding mode, for example, LDPC coding requires both the UE and the base station to support, and defines the Preamble ID of the [0, A) interval for contention-based random access, and the Preamble ID of the [A, C] interval is used for non-contention based random access.
  • LDPC coding requires both the UE and the base station to support, and defines the Preamble ID of the [0, A) interval for contention-based random access, and the Preamble ID of the [A, C] interval is used for non-contention based random access.
  • the base station can divide a range in [A, C] for contention-based random access using UEs that do not support LDPC coding, such as [A, The y1) interval is used for UEs that only support Turbo coding for contention-based random access, [y1, y2) UEs with Turbo coding and Polar coding are used for contention-based random access.
  • the preamble ID of the [y2, C] interval is used for UEs of various capabilities for non-contention based random access use. In this scenario, the correspondence between the foregoing access preamble and the coding type is usually pre-stored in the UE.
  • the preamble ID of the [A, y1] interval in the UE supporting Turbo coding is used to support the Turbo coded UE.
  • the preamble ID of the [y1, y2) interval in the UE supporting the Turbo coding and the Polar coding is used to support the correspondence between the Turbo coding and the Polar coded UE access. That is, in this scenario, for a UE that does not support LDPC coding, the base station may negotiate with the UE in advance or appoint a preamble ID, and the UE obtains the correspondence between the access preamble and the coding type, which includes: the UE acquisition is pre-stored in the UE. The correspondence between the access preamble and the coding type.
  • the access preamble corresponding to the coding type supported by the UE may be sent to the base station according to the correspondence type. For example, if the UE supports Turbo coding, according to Table 2, the Preamble ID of the [A, y1) interval and the [y1, y2] interval is used to support Turbo-coded UE access. Therefore, the UE may adopt the coding type supported by the UE. Select a access prea in the [A, y1) interval or [y1, y2) interval for random access.
  • Table 2 is only an exemplary example of the LDPC encoding, the Turbo encoding, and the Polar encoding.
  • other encoding modes may be used, which is not specifically limited in this embodiment of the present application.
  • the base station receives an access preamble sent by the UE.
  • the base station determines, according to an access preamble of the UE, a coding type supported by the UE.
  • the determining, by the base station, the coding type supported by the UE according to the access preamble of the UE may include: determining, by the base station, an identifier of the access preamble of the UE according to the access preamble of the UE; and determining, according to the identifier of the access preamble of the UE The correspondence between the identifier of the incoming preamble and the coding type determines the coding type supported by the UE.
  • the base station determines the first coding type according to the coding type supported by the UE.
  • the first coding type may include one coding type, and may also include multiple coding types, which is not specifically limited in this embodiment of the present application.
  • the base station sends an access response to the UE, where the access response is encoded by using a first coding type.
  • the UE receives an access response sent by the base station.
  • the correspondence between the identifier of the access preamble and the coding type is as shown in Table 1.
  • the access preamble identifier received by the base station is P1, and x2 ⁇ P1 ⁇ x3, and the base station can according to the correspondence shown in Table 1.
  • the base station determines that the UE supports Turbo coding and Polar coding.
  • the base station determines that the first coding type is Turbo coding according to the coding type supported by the UE, and the base station may encode the access response by using Turbo coding. In this way, after the UE receives the access response, the UE may be successfully decoded because the access response is encoded by using the first coding type determined according to the coding type supported by the UE, and the UE may be successfully accessed.
  • the base station may be according to Table 2
  • the base station may encode the access response by using Turbo coding and Polar coding.
  • the UE may be successfully decoded because the access response is encoded by using the first coding type determined according to the coding type supported by the UE, and the UE may be successfully accessed.
  • the base station can distinguish UEs of different coding types without modifying the protocol, and ensure that UEs with different coding capabilities can access normally.
  • the UE sends an access preamble to the base station by using the coding type supported by the UE.
  • the base station determines the coding type supported by the UE according to the access preamble, and further supports the UE according to the access preamble.
  • the encoding type determines the first encoding type.
  • the base station then sends an access response to the UE, the access response being encoded using the first coding type. That is, in the communication method provided by the embodiment of the present application, after the UE sends the access preamble to the base station, the base station can learn the coding type supported by the UE, and further determine the first coding type based on the coding type supported by the UE.
  • an access response is sent to the UE.
  • the UE The coding mode of the base station and the UE is the same, so the UE can successfully decode, and the UE may be successfully accessed.
  • the action of the UE in the foregoing S401 and S406 can be performed by the processor 301 in the communication device 300 shown in FIG. 3 to call the application code stored in the memory 303, which is not limited in this embodiment.
  • the action of the base station in the foregoing S402, S403, S404, and S405 can be performed by the processor 301 in the communication device 300 shown in FIG. 3, and the application code stored in the memory 303 is called, and the embodiment of the present application does not impose any limitation on this. .
  • the correspondence between the access preamble and the coding type is as shown in Table 1.
  • UE1 and UE2 performing contention-based random access, where UE1 supports LDPC coding, and the preamble ID value of the random access preamble used in performing random access is Q1, 0 ⁇ Q1 ⁇ x1;
  • UE2 Supporting Turbo coding and Polar coding, the preamble ID value of the random access preamble used in performing random access is Q2, and x2 ⁇ Q2 ⁇ x3, as shown in FIG. 5, the communication method includes:
  • the UE1 sends an access preamble to the base station.
  • the access preamble sent by the UE2 to the base station is used as the access preamble 1.
  • the base station determines that the first coding type corresponding to the UE1 is LDPC coding.
  • the base station sends an access response to the UE1, where the access response is based on LDPC coding.
  • UE1 receives the access response, and decodes the access response based on the LDPC.
  • the UE2 sends an access preamble to the base station.
  • the present application implements the access preamble transmitted by the UE2 to the base station as the access preamble 2.
  • the base station determines that the first coding type corresponding to the UE2 is Turbo coding.
  • the base station sends an access response to the UE2, where the access response is based on Turbo coding.
  • the UE2 receives the access response and decodes the access response based on the Turbo.
  • UE1 Since UE1 supports LDPC encoding, UE1 can successfully decode after receiving an LDPC-based access response. Since UE2 supports Turbo coding, UE2 can successfully decode after receiving the Turbo coded access response. Thus, both UE1 and UE2 can establish communication with the base station.
  • steps S501a-S505a and steps S501b-S505b there is no necessary sequence of execution between the above steps S501a-S505a and steps S501b-S505b, and steps S501a-S505a may be performed first, and then steps S501b-S505b may be performed; or steps S501b-S505b may be performed first. Steps S501a-S505a are performed again; steps S501a-S505a and steps S501b-S505b may be performed at the same time, which is not specifically limited in this embodiment of the present application.
  • the solution provided by the embodiment of the present application is mainly introduced from the perspective of interaction between the network elements. It can be understood that, in order to implement the above functions, the foregoing UE and the base station include corresponding hardware structures and/or software modules for performing respective functions.
  • the present application can be implemented in a combination of hardware or hardware and computer software in combination with the elements and algorithm steps of the various examples described in the embodiments disclosed herein. Whether a function is implemented in hardware or computer software to drive hardware depends on the specific application and design constraints of the solution. A person skilled in the art can use different methods to implement the described functions for each particular application, but such implementation should not be considered to be beyond the scope of the present application.
  • the embodiments of the present application may divide the function modules of the base station and the UE according to the foregoing method.
  • each function module may be divided according to each function, or two or more functions may be integrated into one processing module.
  • the above integrated modules can be implemented in the form of hardware or in the form of software functional modules. It should be noted that the division of modules in the embodiments of the present application is schematic, and is only a logical function division. There can be another way of dividing.
  • FIG. 6 is a schematic structural diagram of a base station involved in the embodiment of the present application.
  • the base station 60 includes a receiving module 601, a determining module 602, and a sending module. 603.
  • the receiving module 601 is configured to support the base station 60 to perform step S402 in FIG. 4;
  • the determining module 602 is configured to support the base station 60 to perform steps S403 and S404 in FIG. 4;
  • the sending module 603 is configured to support the base station 60 to perform the method in FIG. Step S405.
  • the receiving module 601 is configured to support the base station 60 to receive the access preamble sent by the UE; the determining module 602 is configured to support the base station 60 to perform steps S502a, S503a, S502b, and S503b in FIG. 5; and the sending module 603 is configured to support the base station. 60 performs steps S504a and S504b in FIG.
  • FIG. 7 shows a possible structural diagram of the base station involved in the foregoing embodiment, and the base station 70 includes a processing module 701 and a communication module 702.
  • the processing module 701 can be used to perform the operations that can be performed by the determining module 602 in FIG. 6.
  • the communications module 702 can be used to perform the operations performed by the receiving module 601 and the sending module 603 in FIG.
  • the embodiments of the present application are not described herein again.
  • the base station is presented in the form of dividing each functional module corresponding to each function, or the base station is presented in a form that divides each functional module in an integrated manner.
  • a “module” herein may refer to an Application-Specific Integrated Circuit (ASIC), circuitry, a processor and memory that executes one or more software or firmware programs, integrated logic circuitry, and/or other functions that provide the functionality described above. Device.
  • ASIC Application-Specific Integrated Circuit
  • base station 60 or base station 70 may take the form shown in FIG.
  • the receiving module 601, the determining module 602, and the sending module 603 in FIG. 6 may be implemented by the processor 301 and the memory 303 of FIG. 3.
  • the receiving module 601, the determining module 602, and the sending module 603 may pass the processor. 301 to call save
  • the application code stored in the storage 303 is executed, and the embodiment of the present application does not impose any limitation on this.
  • the processing module 701 and the communication module 702 in FIG. 7 may be implemented by the processor 301 and the memory 303 of FIG. 3.
  • the processing module 701 and the communication module 702 may be called by the processor 301 in the memory 303.
  • the stored application code is executed, and the embodiment of the present application does not impose any limitation on this.
  • the embodiment of the present application further provides a computer storage medium for storing computer software instructions used by the base station, which includes a program designed to execute the foregoing method embodiments.
  • the above communication method can be realized by executing a stored program.
  • FIG. 8 is a schematic structural diagram of a UE involved in the embodiment of the present application.
  • the UE 80 includes a sending module 801 and a receiving module 802.
  • the sending module 801 is configured to support the UE 80 to perform step S401 in FIG. 4, and the receiving module 802 is configured to support the UE 80 to perform step S406 in FIG. 4.
  • the sending module 801 is configured to support the UE 80 to perform steps S501a and S501b in FIG. 5, and the receiving module 802 is configured to support the UE 80 to receive an access response sent by the base station.
  • the UE 80 provided in this embodiment of the present application may further include a storage module 803.
  • the storage module 803 is configured to store a correspondence between an access preamble and an encoding type.
  • FIG. 9 is a schematic diagram of a possible structure of a UE involved in the foregoing embodiment, where the UE 90 includes a storage module 901 and a communication module 902.
  • the storage module 901 can be used to store the correspondence between the access preamble and the encoding type.
  • the communication module 902 can be used to perform operations performed by the sending module 801 and the receiving module 802 in FIG. The embodiments of the present application are not described herein again.
  • the UE is presented in the form of dividing each functional module corresponding to each function, or the UE is presented in a form that divides each functional module in an integrated manner.
  • module can refer to application-specific integrated circuit (Application-Specific Integrated Circuits, ASICs, circuits, processors and memories that execute one or more software or firmware programs, integrated logic circuits, and/or other devices that provide the above functionality.
  • ASICs Application-Specific Integrated Circuits
  • UE 80 or UE 90 may take the form shown in FIG.
  • the sending module 801, the receiving module 802, and the storage module 803 in FIG. 8 may be implemented by the processor 301 and the memory 303 of FIG. 3.
  • the sending module 801, the receiving module 802, and the storage module 803 may pass the processor.
  • the application code 301 is used to execute the application code stored in the memory 303.
  • the embodiment of the present application does not impose any limitation on this.
  • the storage module 901 and the communication module 902 in FIG. 9 may be implemented by the processor 301 and the memory 303 of FIG. 3.
  • the storage module 901 and the communication module 902 may be called by the processor 301 in the memory 303.
  • the stored application code is executed, and the embodiment of the present application does not impose any limitation on this.
  • the embodiment of the present application further provides a computer storage medium for storing computer software instructions used by the UE, which includes a program designed to execute the foregoing method embodiments.
  • the above communication method can be realized by executing a stored program.
  • the embodiment of the present application further provides a computer program, which includes instructions, when the computer program is executed by a computer, to enable the computer to execute the flow of the foregoing method embodiment.
  • embodiments of the present application can be provided as a method, apparatus (device), or computer program product.
  • the present application can take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment in combination of software and hardware.
  • the application can employ a computer program product embodied on one or more computer usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) having computer usable program code embodied therein. form.
  • the computer program is stored/distributed in a suitable medium, provided with other hardware or as part of the hardware, or in other distributed forms, such as over the Internet or other wired or wireless telecommunication systems.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Les modes de réalisation de la présente invention concernent un procédé, un appareil et un système de communication visant à garantir au moins la cohérence des modes de codage d'un équipement d'utilisateur (UE) et d'un dispositif de réseau dans un processus de communication. Le procédé comprend les étapes suivantes : une station de base reçoit un préambule d'accès envoyé par un équipement d'utilisateur (UE); la station de base détermine un type de codage pris en charge par l'UE en fonction du préambule d'accès de l'UE; la station de base détermine un premier type de codage en fonction du type de codage pris en charge par l'UE; et la station de base envoie une réponse d'accès à l'UE, la réponse d'accès étant codée en utilisant le premier type de codage. La présente invention est applicable au domaine technique des communications sans fil.
PCT/CN2016/107755 2016-11-29 2016-11-29 Procédé, appareil, et système de communication WO2018098640A1 (fr)

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CN201680090459.2A CN109997401B (zh) 2016-11-29 2016-11-29 通信方法、设备及系统
PCT/CN2016/107755 WO2018098640A1 (fr) 2016-11-29 2016-11-29 Procédé, appareil, et système de communication

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KR101556166B1 (ko) * 2009-01-15 2015-09-30 엘지전자 주식회사 신호 송수신 장치 및 방법
EP2826288B1 (fr) * 2012-03-16 2018-12-05 Interdigital Patent Holdings, Inc. Procédures d'accès aléatoire dans des systèmes de communication sans fil
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CN102498746A (zh) * 2009-06-16 2012-06-13 高通股份有限公司 无线通信系统中的随机接入过程
CN102316070A (zh) * 2011-09-21 2012-01-11 中兴通讯股份有限公司 数据传输方法及装置、数据处理方法及装置
CN104640212A (zh) * 2013-11-11 2015-05-20 中国移动通信集团公司 一种资源分配方法及装置
US20160192398A1 (en) * 2014-12-29 2016-06-30 Telefonaktiebolaget L M Ericsson (Publ) Methods and Devices for Generating and Detecting Random Access Preambles

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