WO2019223680A1 - 接入方法及传输点 - Google Patents

接入方法及传输点 Download PDF

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Publication number
WO2019223680A1
WO2019223680A1 PCT/CN2019/087770 CN2019087770W WO2019223680A1 WO 2019223680 A1 WO2019223680 A1 WO 2019223680A1 CN 2019087770 W CN2019087770 W CN 2019087770W WO 2019223680 A1 WO2019223680 A1 WO 2019223680A1
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WO
WIPO (PCT)
Prior art keywords
transmission point
transmission
indication information
synchronization signal
receiving
Prior art date
Application number
PCT/CN2019/087770
Other languages
English (en)
French (fr)
Inventor
卢前溪
林晖闵
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to KR1020207032728A priority Critical patent/KR20210003155A/ko
Priority to EP19807503.8A priority patent/EP3780733B1/en
Priority to JP2020563603A priority patent/JP7317860B2/ja
Priority to AU2019273274A priority patent/AU2019273274B2/en
Priority to CN201980015356.3A priority patent/CN111758281A/zh
Priority to SG11202011138UA priority patent/SG11202011138UA/en
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to EP23184191.7A priority patent/EP4243565A3/en
Priority to CN202011200654.0A priority patent/CN112399513B/zh
Priority to RU2020138621A priority patent/RU2755210C1/ru
Publication of WO2019223680A1 publication Critical patent/WO2019223680A1/zh
Priority to US17/088,491 priority patent/US11706698B2/en
Priority to JP2022127040A priority patent/JP7477566B2/ja

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Classifications

    • 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
    • H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • H04B7/15507—Relay station based processing for cell extension or control of coverage area
    • 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
    • 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
    • H04W56/00—Synchronisation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/042—Public Land Mobile systems, e.g. cellular systems
    • H04W84/047—Public Land Mobile systems, e.g. cellular systems using dedicated repeater stations

Definitions

  • the present invention relates to communication technology, and particularly to an access method and a transmission point.
  • a relay node In a wireless communication system such as: an advanced long-term evolution (LTE-A) system, a relay node (RN) is introduced between a terminal and an evolved base station (Evolved NodeB, eNB), The relay node can wirelessly connect to a cell under the eNB to which it belongs.
  • the home eNB is called a Donor eNB (DeNB), and the cell under the home eNB is called a Donor cell.
  • Various aspects of the present invention provide an access method and a transmission point to enable a relay node to access a wireless access network.
  • an access method including:
  • the first transmission point accesses a wireless access network where the second transmission point is located according to the instruction information.
  • Another access method including:
  • the second transmission point sends instruction information to the first transmission point, which is used to instruct the second transmission point to support the relay function, so that the first transmission point can access the location of the second transmission point according to the instruction information.
  • Wireless access network Wireless access network.
  • a first transmission point including:
  • a receiving unit configured to receive instruction information sent by a second transmission point, and used to indicate that the second transmission point supports a relay function
  • the access unit is configured to access the wireless access network where the second transmission point is located according to the instruction information.
  • a second transmission point including:
  • a sending unit configured to send instruction information to a first transmission point to instruct the second transmission point to support a relay function, so that the first transmission point accesses the second transmission point according to the instruction information
  • the wireless access network configured to send instruction information to a first transmission point to instruct the second transmission point to support a relay function, so that the first transmission point accesses the second transmission point according to the instruction information
  • a communication device including a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory, and execute the method in any one of the first aspect to the second aspect described above or in each implementation manner thereof.
  • a chip is provided for implementing any one of the first to second aspects or a method in each implementation manner thereof.
  • the chip includes a processor for invoking and running a computer program from a memory, so that a device installed with the chip executes any one of the first to second aspects described above or implementations thereof. method.
  • a computer-readable storage medium for storing a computer program, which causes a computer to execute the method in any one of the first to second aspects described above or in each implementation thereof.
  • a computer program product including computer program instructions that cause a computer to execute the method in any one of the first to second aspects described above or in various implementations thereof.
  • a computer program that, when run on a computer, causes the computer to execute any one of the first to second aspects described above or a method in each implementation thereof.
  • the first transmission point receives instruction information sent by the second transmission point, and is used to indicate that the second transmission point supports a relay function, so that the first transmission point can be
  • the indication information is used to access the wireless access network where the second transmission point is located, so that the first transmission point is used as a relay node to access the wireless access network.
  • the first transmission is carried in the instruction information sent by the second transmission point by carrying the transmission level or transmission hop number of the second transmission point in the wireless access network.
  • the point can obtain the transmission resources used to access the wireless access network according to the transmission level or the number of transmission hops, and can effectively improve the access efficiency of the wireless access network.
  • FIG. 1 is a schematic flowchart of an access method according to an embodiment of the present invention
  • FIG. 2 is a schematic flowchart of another access method according to another embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of a first transmission point according to another embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a second transmission point according to another embodiment of the present invention.
  • FIG. 5 is a schematic block diagram of a communication device according to an embodiment of the present application.
  • FIG. 6 is a schematic block diagram of a chip according to an embodiment of the present application.
  • the terminals involved in the embodiments of the present invention may include, but are not limited to, a mobile phone, a Personal Digital Assistant (PDA), a wireless handheld device, a tablet computer, and a personal computer (PC). ), MP3 player, MP4 player, wearable devices (for example, smart glasses, smart watches, smart bracelets, etc.), car terminals, etc.
  • PDA Personal Digital Assistant
  • PC personal computer
  • MP3 player for example, MP3 player, MP4 player, wearable devices (for example, smart glasses, smart watches, smart bracelets, etc.), car terminals, etc.
  • FIG. 1 is a schematic flowchart of an access method according to an embodiment of the present invention, as shown in FIG. 1.
  • a first transmission point receives instruction information sent by a second transmission point, and is used to indicate that the second transmission point supports a relay function.
  • the first transmission point accesses a wireless access network where the second transmission point is located according to the instruction information.
  • the second transmission point supporting the relay function means that the second transmission point supports other transmission points (that is, the first transmission point).
  • a relay device or the like accesses the second transmission point. Point of the wireless access network.
  • accessing the wireless access network where the second transmission point is located means that the relay device (that is, the first transmission point) receives a synchronization signal sent by the second transmission point, and uses the first The two transmission points are used as access points to access the wireless access network.
  • the first transmission point can pass through the second transmission point to access the wireless access network where the second transmission point is located.
  • the first transmission point may include, but is not limited to, a first relay device; for a relay system supporting only single-hop access, the second transmission point may be a connection of the wireless access network.
  • the first transmission point may specifically receive all information sent by the second transmission point through a system broadcast message, a synchronization signal, or high-level signaling. Mentioned instructions.
  • the first transmission point may specifically receive the indication information sent by the second transmission point through a MIB or SIB in a system broadcast message.
  • the indication information may be specifically carried by using the existing master information block (Master Information Block, MIB) or system information block (System Information Block (SIB)) in the system broadcast message, where: K is an integer greater than or equal to 1, or a new SIB may be added to carry the indication information.
  • MIB Master Information Block
  • SIB System Information Block
  • a reference signal for transmitting an existing Master Information Block (Master Information Block, MIB) or System Information Block (System Information Block, SIB) in the system broadcast message may be specifically used to indicate the indication information.
  • the indication information may be indicated by a follow-up sequence of a reference signal, a cyclic shift (Cyclic shift), an orthogonal mask (Orthogonal cover code), and the like.
  • the first transmission point may receive, but is not limited to, the indication information sent by the second transmission point through a primary synchronization signal and / or a secondary synchronization signal.
  • the first transmission point may specifically receive the indication information sent by the second transmission point through a specified synchronization signal.
  • the first transmission point may specifically receive the indication information sent by the second transmission point through any synchronization signal in a designated packet.
  • the synchronization signals may be specifically grouped to obtain two packets of a first packet and a second packet.
  • the synchronization signals in the first packet all indicate that the second transmission point supports the relay function; the synchronization signals in the second packet all indicate that the second transmission point does not support the relay function.
  • the second transmission point may arbitrarily select a synchronization signal from a corresponding packet for transmission according to whether it supports a relay function.
  • the first mapping relationship may be a correspondence between a synchronization signal and a packet, or may also be a correspondence between a synchronization signal and whether or not a relay function is supported, which is not particularly limited in this embodiment.
  • the first transmission point may specifically receive the indication information sent by the second transmission point through a radio resource control (Radio Resource Control) message.
  • Radio Resource Control Radio Resource Control
  • the indication information may be carried specifically through an Information Element (IE) in an RRC message
  • the RRC message may be an RRC message in the prior art, for example, an RRC Connection Reconfiguration Message
  • IE Information Element
  • the IE of the existing RRC message is extended to carry the indication information, or the RRC message may be different from the existing RRC message in the prior art.
  • the first transmission point may specifically receive the indication sent by the second transmission point through a Media Access Control (MAC) Control Element (CE) message. information.
  • MAC Media Access Control
  • CE Control Element
  • the indication information may be carried specifically by adding a new MAC CE message.
  • the indication information received by the first transmission point may further carry the second transmission point in the wireless access Transmission level or number of transmission hops in the network.
  • Donor eNB is the access network device, and the relay system is the 0th transmission level or 0th transmission hop in the wireless access network.
  • RN1 connected to Donor eNB is the first transmission in the relay system.
  • Level or first transmission hop; RN2 connected to RN1 is used as the second transmission level or second transmission hop in the relay system.
  • the second transmission point of each transmission level carries the corresponding transmission level or transmission hop number of the second transmission point in the wireless access network in the corresponding instruction information sent by the second transmission point.
  • the instruction information sent by the second transmission point carries the transmission level or the number of transmission hops of the second transmission point in the wireless access network, so that the first transmission point can perform transmission according to the transmission level or transmission.
  • the number of hops, combined with the transmission hierarchy or the mapping relationship between the number of transmission hops and the transmission resources, so as to obtain the transmission resources used to access the wireless access network, can effectively improve the access efficiency of the wireless access network.
  • the mapping relationship may be pre-configured on the first transmission point or sent to the first transmission point through a network configuration.
  • the first transmission point receives the instruction information sent by the second transmission point, and is used to indicate that the second transmission point supports the relay function, so that the first transmission point can access according to the instruction information.
  • the wireless access network where the second transmission point is located thereby enabling the first transmission point to access the wireless access network as a relay node.
  • the first transmission is carried in the instruction information sent by the second transmission point by carrying the transmission level or the number of transmission hops of the second transmission point in the wireless access network.
  • the point can obtain the transmission resources used to access the wireless access network according to the transmission level or the number of transmission hops, and can effectively improve the access efficiency of the wireless access network.
  • FIG. 2 is a schematic flowchart of another access method according to another embodiment of the present invention, as shown in FIG. 2.
  • the second transmission point sends instruction information to the first transmission point, used to instruct the second transmission point to support a relay function, so that the first transmission point accesses the second transmission according to the instruction information.
  • the wireless access network where the point is located.
  • the second transmission point supporting the relay function means that the second transmission point supports other transmission points (that is, the first transmission point).
  • a relay device or the like accesses the second transmission point. Point of the wireless access network.
  • accessing the wireless access network where the second transmission point is located means that the relay device (that is, the first transmission point) receives a synchronization signal sent by the second transmission point, and uses the first The two transmission points are used as access points to access the wireless access network.
  • the first transmission point can pass through the second transmission point to access the wireless access network where the second transmission point is located.
  • the first transmission point may include, but is not limited to, a first relay device; for a relay system supporting only single-hop access, the second transmission point may be a connection of the wireless access network.
  • the second transmission point may specifically send the first transmission point to the first transmission point through a system broadcast message, a synchronization signal, or high-level signaling. Instructions.
  • the second transmission point may specifically receive and send the indication information to the first transmission point through a MIB or SIB in a system broadcast message.
  • the indication information may be specifically carried by using the existing master information block (Master Information Block, MIB) or system information block (System Information Block (SIB)) in the system broadcast message, where: K is an integer greater than or equal to 1, or a new SIB may be added to carry the indication information.
  • MIB Master Information Block
  • SIB System Information Block
  • a reference signal for transmitting an existing Master Information Block (Master Information Block, MIB) or System Information Block (System Information Block, SIB) in the system broadcast message may be specifically used to indicate the indication information.
  • the indication information may be indicated by a follow-up sequence of a reference signal, a cyclic shift (Cyclic shift), an orthogonal mask (Orthogonal cover code), and the like.
  • the second transmission point may specifically receive and send the instruction information to the first transmission point through a primary synchronization signal and / or a secondary synchronization signal.
  • the second transmission point may specifically send the indication information to the first transmission point by specifying a synchronization signal.
  • the second transmission point may specifically receive and send the instruction information to the first transmission point by using any synchronization signal within a designated packet.
  • the synchronization signals may be specifically grouped to obtain two packets of a first packet and a second packet.
  • the synchronization signals in the first packet all indicate that the second transmission point supports the relay function; the synchronization signals in the second packet all indicate that the second transmission point does not support the relay function.
  • the second transmission point may arbitrarily select a synchronization signal from a corresponding packet for transmission according to whether it supports a relay function.
  • the first mapping relationship may be a correspondence between a synchronization signal and a packet, or may also be a correspondence between a synchronization signal and whether or not a relay function is supported, which is not particularly limited in this embodiment.
  • the second transmission point may specifically receive and send the indication information to the first transmission point through a radio physical resource control (Radio Resource Control (RRC) message).
  • RRC Radio Resource Control
  • the indication information may be carried specifically through an Information Element (IE) in an RRC message
  • the RRC message may be an RRC message in the prior art, for example, an RRC Connection Reconfiguration Message
  • IE Information Element
  • the IE of the existing RRC message is extended to carry the indication information, or the RRC message may be different from the existing RRC message in the prior art.
  • the second transmission point may specifically send the instruction information to the first transmission point through a Media Access Control (MAC) Control Element (CE) message.
  • MAC Media Access Control
  • CE Control Element
  • the indication information may be carried specifically by adding a new MAC CE message.
  • the indication information sent by the second transmission point may further carry the second transmission point in the wireless access. Transmission level or number of transmission hops in the network.
  • Donor eNB is the access network device, and the relay system is the 0th transmission level or 0th transmission hop in the wireless access network.
  • RN1 connected to Donor eNB is the first transmission in the relay system Level or first transmission hop;
  • RN2 connected to RN1 is used as the second transmission level or second transmission hop in the relay system.
  • the second transmission point of each transmission level carries the corresponding transmission level of the second transmission point in the wireless access network or the number of transmission hops in the corresponding instruction information sent by the second transmission point.
  • the instruction information sent by the second transmission point carries the transmission level or the number of transmission hops of the second transmission point in the wireless access network, so that the first transmission point can perform transmission according to the transmission level or transmission.
  • the number of hops, combined with the transmission hierarchy or the mapping relationship between the number of transmission hops and the transmission resources, so as to obtain the transmission resources used to access the wireless access network, can effectively improve the access efficiency of the wireless access network.
  • the mapping relationship may be pre-configured on the first transmission point or sent to the first transmission point through a network configuration.
  • the first transmission point receives the instruction information sent by the second transmission point, and is used to indicate that the second transmission point supports the relay function, so that the first transmission point can access according to the instruction information.
  • the wireless access network where the second transmission point is located thereby enabling the first transmission point to access the wireless access network as a relay node.
  • the first transmission is carried in the instruction information sent by the second transmission point by carrying the transmission level or the number of transmission hops of the second transmission point in the wireless access network.
  • the point can obtain the transmission resources used to access the wireless access network according to the transmission level or the number of transmission hops, and can effectively improve the access efficiency of the wireless access network.
  • FIG. 3 is a schematic structural diagram of a first transmission point according to another embodiment of the present invention, as shown in FIG. 3.
  • the first transmission point in this embodiment may include a receiving unit 31.
  • the receiving unit 31 is configured to receive instruction information sent by a second transmission point to indicate that the second transmission point supports a relay function;
  • the access unit 32 is configured to access the first transmission point according to the instruction information.
  • the wireless access network where the transmission point is located.
  • the first transmission point may include, but is not limited to, a first relay device; for a relay system supporting only single-hop access, the second transmission point may be a connection of the wireless access network.
  • the receiving unit 31 may be specifically configured to receive the indication sent by the second transmission point through a system broadcast message, a synchronization signal, or high-level signaling. information.
  • the receiving unit 31 may be specifically configured to receive the indication information sent by the second transmission point through a MIB or SIB in a system broadcast message.
  • the receiving unit 31 may be specifically configured to receive the indication information sent by the second transmission point through a primary synchronization signal and / or a secondary synchronization signal.
  • the receiving unit 31 may be specifically configured to receive the indication information sent by the second transmission point through a specified synchronization signal; or receive the second transmission point through a specified packet. Any of the synchronization signals, the indication information sent.
  • the receiving unit 31 may be specifically configured to receive the indication information sent by the second transmission point through an RRC message.
  • the indication information may further carry a transmission level or a transmission hop number of the second transmission point in the wireless access network.
  • the method performed by the first transmission point in the embodiment corresponding to FIG. 1 may be implemented by the first transmission point provided in this embodiment.
  • the receiving unit receives instruction information sent by the second transmission point, and is used to indicate that the second transmission point supports the relay function, so that the access unit can access the second transmission according to the instruction information.
  • the wireless access network where the point is located thereby enabling the first transmission point to act as a relay node to access the wireless access network.
  • the first transmission is carried in the instruction information sent by the second transmission point by carrying the transmission level or transmission hop number of the second transmission point in the wireless access network.
  • the point can obtain the transmission resources used to access the wireless access network according to the transmission level or the number of transmission hops, and can effectively improve the access efficiency of the wireless access network.
  • FIG. 4 is a schematic structural diagram of a second transmission point according to another embodiment of the present invention, as shown in FIG. 4.
  • the second transmission point in this embodiment may include a sending unit 41, configured to send instruction information to the first transmission point, to indicate that the second transmission point supports a relay function, so that the first transmission point Indication information for accessing a wireless access network where the second transmission point is located.
  • the first transmission point may include, but is not limited to, a first relay device; for a relay system supporting only single-hop access, the second transmission point may be a connection of the wireless access network.
  • the sending unit 41 may be specifically configured to send the instruction information to the first transmission point through a system broadcast message, a synchronization signal, or high-level signaling. .
  • the sending unit 41 may be specifically configured to receive and send the instruction information to the first transmission point through a MIB or SIB in a system broadcast message.
  • the sending unit 41 may be specifically configured to receive and send the instruction information to the first transmission point through a primary synchronization signal and / or a secondary synchronization signal.
  • the sending unit 41 may be specifically configured to receive and send the instruction information to the first transmission point by specifying a synchronization signal; or, by using any synchronization signal in a specified packet, Receiving, by the first transmission point, the indication information.
  • the sending unit 41 may be specifically configured to receive and send the indication information to the first transmission point through an RRC message.
  • the indication information may further carry a transmission level or a transmission hop number of the second transmission point in the wireless access network.
  • the method performed by the second transmission point in the embodiment corresponding to FIG. 2 may be implemented by the second transmission point provided in this embodiment.
  • a sending unit sends instruction information to a first transmission point to indicate that the second transmission point supports a relay function, so that the first transmission point can access the first transmission point according to the instruction information.
  • the wireless access network where the two transmission points are located thereby enabling the first transmission point to access the wireless access network as a relay node.
  • the first transmission is carried in the instruction information sent by the second transmission point by carrying the transmission level or the number of transmission hops of the second transmission point in the wireless access network.
  • the point can obtain the transmission resources used to access the wireless access network according to the transmission level or the number of transmission hops, and can effectively improve the access efficiency of the wireless access network.
  • FIG. 5 is a schematic structural diagram of a communication device 500 according to an embodiment of the present application.
  • the communication device 500 shown in FIG. 5 includes a processor 510, and the processor 510 can call and run a computer program from a memory to implement the method in the embodiment of the present application.
  • the communication device 500 may further include a memory 520.
  • the processor 510 may call and run a computer program from the memory 520 to implement the method in the embodiment of the present application.
  • the memory 520 may be a separate device independent of the processor 510, or may be integrated in the processor 510.
  • the processor in the embodiment of the present application may be an integrated circuit chip and has a signal processing capability.
  • each step of the foregoing method embodiment may be completed by using an integrated logic circuit of hardware in a processor or an instruction in a form of software.
  • the above processor may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), an off-the-shelf programmable gate array (Field Programmable Gate Array, FPGA), or other Programming logic devices, discrete gate or transistor logic devices, discrete hardware components.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA off-the-shelf programmable gate array
  • Various methods, steps, and logical block diagrams disclosed in the embodiments of the present application may be implemented or executed.
  • a general-purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the steps of the method disclosed in combination with the embodiments of the present application may be directly implemented by a hardware decoding processor, or may be performed by using a combination of hardware and software modules in the decoding processor.
  • a software module may be located in a mature storage medium such as a random access memory, a flash memory, a read-only memory, a programmable read-only memory, or an electrically erasable programmable memory, a register, and the like.
  • the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
  • the memory in the embodiment of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), and an electronic memory. Erase programmable read-only memory (EPROM, EEPROM) or flash memory.
  • the volatile memory may be Random Access Memory (RAM), which is used as an external cache.
  • RAM Static Random Access Memory
  • DRAM Dynamic Random Access Memory
  • Synchronous Dynamic Random Access Memory Synchronous Dynamic Random Access Memory
  • SDRAM double data rate synchronous dynamic random access memory
  • Double SDRAM, DDR SDRAM enhanced synchronous dynamic random access memory
  • Enhanced SDRAM, ESDRAM synchronous connection dynamic random access memory
  • Synchronous DRAM Synchronous Dynamic Random Access Memory
  • Enhanced SDRAM Enhanced SDRAM, ESDRAM
  • synchronous connection dynamic random access memory Synchrobus RAM, SLDRAM
  • Direct Rambus RAM Direct Rambus RAM
  • the memory in the embodiments of the present application may also be static random access memory (static RAM, SRAM), dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (SDRAM), double data rate Synchronous dynamic random access memory (Double SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM), direct memory bus random access memory (Direct RAMbus RAM, DR RAM) and so on. That is, the memories in the embodiments of the present application are intended to include, but not limited to, these and any other suitable types of memories.
  • the communication device 500 may further include a transceiver 530, and the processor 510 may control the transceiver 530 to communicate with other devices, and specifically, may send information or data to other devices, or receive Information or data sent by the device.
  • the processor 510 may control the transceiver 530 to communicate with other devices, and specifically, may send information or data to other devices, or receive Information or data sent by the device.
  • the transceiver 530 may include a transmitter and a receiver.
  • the transceiver 530 may further include antennas, and the number of antennas may be one or more.
  • the communication device 500 may specifically be a network device according to an embodiment of the present application, and the communication device 500 may implement a corresponding process implemented by a network device in each method of the embodiments of the present application. .
  • the communication device 500 may specifically be a terminal device in the embodiment of the present application, and the communication device 500 may implement the corresponding process implemented by the terminal device in each method in the embodiments of the present application. .
  • FIG. 6 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • the chip 600 shown in FIG. 6 includes a processor 610, and the processor 610 may call and run a computer program from a memory to implement the method in the embodiment of the present application.
  • the chip 600 may further include a memory 620.
  • the processor 610 may call and run a computer program from the memory 620 to implement the method in the embodiment of the present application.
  • the memory 620 may be a separate device independent of the processor 610, or may be integrated in the processor 610.
  • the processor in the embodiment of the present application may be an integrated circuit chip and has a signal processing capability.
  • each step of the foregoing method embodiment may be completed by using an integrated logic circuit of hardware in a processor or an instruction in a form of software.
  • the above processor may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), an off-the-shelf programmable gate array (Field Programmable Gate Array, FPGA), or other Programming logic devices, discrete gate or transistor logic devices, discrete hardware components.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA off-the-shelf programmable gate array
  • Various methods, steps, and logical block diagrams disclosed in the embodiments of the present application may be implemented or executed.
  • a general-purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the steps of the method disclosed in combination with the embodiments of the present application may be directly implemented by a hardware decoding processor, or may be performed by using a combination of hardware and software modules in the decoding processor.
  • a software module may be located in a mature storage medium such as a random access memory, a flash memory, a read-only memory, a programmable read-only memory, or an electrically erasable programmable memory, a register, and the like.
  • the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
  • the memory in the embodiment of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), and an electronic memory. Erase programmable read-only memory (EPROM, EEPROM) or flash memory.
  • the volatile memory may be Random Access Memory (RAM), which is used as an external cache.
  • RAM Static Random Access Memory
  • DRAM Dynamic Random Access Memory
  • Synchronous Dynamic Random Access Memory Synchronous Dynamic Random Access Memory
  • SDRAM double data rate synchronous dynamic random access memory
  • Double SDRAM, DDR SDRAM enhanced synchronous dynamic random access memory
  • Enhanced SDRAM, ESDRAM synchronous connection dynamic random access memory
  • Synchronous DRAM Synchronous Dynamic Random Access Memory
  • Enhanced SDRAM Enhanced SDRAM, ESDRAM
  • synchronous connection dynamic random access memory Synchrobus RAM, SLDRAM
  • Direct Rambus RAM Direct Rambus RAM
  • the memory in the embodiment of the present application may also be a static random access memory (static RAM, SRAM), a dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (SDRAM), double data rate Synchronous dynamic random access memory (Double SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM), direct memory bus random access memory (Direct RAMbus RAM, DR RAM) and so on. That is, the memories in the embodiments of the present application are intended to include, but not limited to, these and any other suitable types of memories.
  • the chip 600 may further include an input interface 630.
  • the processor 610 may control the input interface 630 to communicate with other devices or chips. Specifically, the processor 610 may obtain information or data sent by other devices or chips.
  • the chip 600 may further include an output interface 640.
  • the processor 610 may control the output interface 640 to communicate with other devices or chips. Specifically, the processor 610 may output information or data to the other devices or chips.
  • the chip may be applied to the network device in the embodiment of the present application, and the chip may implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the chip may be applied to the network device in the embodiment of the present application, and the chip may implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the chip can be applied to the terminal device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the terminal device in each method of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the terminal device in each method of the embodiment of the present application.
  • the chip mentioned in the embodiments of the present application may also be referred to as a system-level chip, a system chip, a chip system or a system-on-chip.
  • An embodiment of the present application further provides a computer-readable storage medium for storing a computer program.
  • the computer-readable storage medium may be applied to the network device in the embodiment of the present application, and the computer program causes the computer to execute a corresponding process implemented by the network device in each method in the embodiment of the present application. For simplicity, here No longer.
  • the computer-readable storage medium may be applied to the terminal device in the embodiments of the present application, and the computer program causes the computer to execute the corresponding processes implemented by the terminal device in each method in the embodiments of the present application. For simplicity, here No longer.
  • An embodiment of the present application further provides a computer program product, including computer program instructions.
  • the computer program product can be applied to a network device in the embodiment of the present application, and the computer program instruction causes a computer to execute a corresponding process implemented by the network device in each method in the embodiment of the present application. More details.
  • the computer program product may be applied to a terminal device in the embodiment of the present application, and the computer program instruction causes a computer to execute a corresponding process implemented by the terminal device in each method in the embodiment of the present application. More details.
  • the embodiment of the present application also provides a computer program.
  • the computer program may be applied to a network device in the embodiment of the present application.
  • the computer program When the computer program is run on a computer, the computer is caused to execute a corresponding process implemented by the network device in each method in the embodiment of the present application. , Will not repeat them here.
  • the computer program may be applied to the terminal device in the embodiment of the present application.
  • the computer program When the computer program is run on a computer, the computer is caused to execute the corresponding processes implemented by the terminal device in each method in the embodiment of the present application. , Will not repeat them here.
  • the disclosed systems, devices, and methods may be implemented in other ways.
  • the device embodiments described above are only schematic.
  • the division of the unit is only a logical function division.
  • multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, which may be electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objective of the solution of this embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each of the units may exist separately physically, or two or more units may be integrated into one unit.
  • the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium.
  • the technical solution of the present application is essentially a part that contributes to the existing technology or a part of the technical solution can be embodied in the form of a software product.
  • the computer software product is stored in a storage medium, including Several instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method described in the embodiments of the present application.
  • the foregoing storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory) ROM, random access memory (Random Access Memory, RAM), magnetic disks or optical disks and other media that can store program codes .

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Abstract

本发明提供接入方法及传输点。本发明实施例通过第一传输点接收第二传输点发送的指示信息，用于指示所述第二传输点支持中继功能，使得所述第一传输点能够根据所述指示信息，接入所述第二传输点所在无线接入网络，从而实现了第一传输点作为中继节点接入无线接入网络。

Description

接入方法及传输点 技术领域
本发明涉及通信技术，尤其涉及接入方法及传输点。
背景技术
在无线通信系统例如：先进的长期演进(Long Term Evolution-Advanced，LTE-A)系统中，在终端与演进型基站(Evolved NodeB，eNB)之间引入了中继节点(Relay Node，RN)，中继节点可以通过无线方式，连接到其归属的eNB下的小区，该归属的eNB称为Donor eNB(DeNB)，该归属的eNB下的小区称为Donor cell。
然而，由于引入了中继节点，因此，亟需提供一种接入方法，以实现中继节点接入无线接入网络。
发明内容
本发明的多个方面提供接入方法及传输点，用以实现中继节点接入无线接入网络。
第一方面，提供一种接入方法，包括：
第一传输点接收第二传输点发送的指示信息，用于指示所述第二传输点支持中继功能；
所述第一传输点根据所述指示信息，接入所述第二传输点所在无线接入网络。
第二方面，提供另一种接入方法，包括：
第二传输点向第一传输点发送指示信息，用于指示所述第二传输点支持中继功能，以供所述第一传输点根据所述指示信息，接入所述第二传输点所在无线接入网络。
第三方面，提供一种第一传输点，包括：
接收单元，用于接收第二传输点发送的指示信息，用于指示所述第二传输点支持中继功能；
接入单元，用于根据所述指示信息，接入所述第二传输点所在无线接入网络。
第四方面，提供一种第二传输点，包括：
发送单元，用于向第一传输点发送指示信息，用于指示所述第二传输点支持中继功能，以供所述第一传输点根据所述指示信息，接入所述第二传输点所在无线接入网络。
第五方面，提供了一种通信设备，包括处理器和存储器。该存储器用于存储计算机程序，该处理器用于调用并运行该存储器中存储的计算机程序，执行上述第一方面至第二方面中任一方面或其各实现方式中的方法。
第六方面，提供了一种芯片，用于实现上述第一方面至第二方面中的任一方面或其各实现方式中的方法。
具体地，该芯片包括：处理器，用于从存储器中调用并运行计算机程序，使得安装有该芯片的设备执行如上述第一方面至第二方面中的任一方面或其各实现方式中的方法。
第七方面，提供了一种计算机可读存储介质，用于存储计算机程序，该计算机程序使得计算机执行上述第一方面至第二方面中的任一方面或其各实现方式中的方法。
第八方面，提供了一种计算机程序产品，包括计算机程序指令，该计算机程序指令使得计算机执行上述第一方面至第二方面中的任一方面或其各实现方式中的方法。
第九方面，提供了一种计算机程序，当其在计算机上运行时，使得计算机执行上述第一方面至第二方面中的任一方面或其各实现方式中的方法。
由上述技术方案可知，本发明实施例通过第一传输点接收第二传输点发送的指示信息，用于指示所述第二传输点支持中继功能，使得所述第一传输点能够根据所述指示信息，接入所述第二传输点所在无线接入网络，从而实现了第一传输点作为中继节点接入无线接入网络。
另外，采用本发明所提供的技术方案，通过在第二传输点所发送的指示信息中携带所述第二传输点在所述无线接入网络中的传输层级或者传输跳数，使得第一传输点能够根据所述传输层级或者传输跳数，从而获得接入所述无线接入网络所使用的传输资源，能够有效提高无线接入网络的接入效率。
附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作一简单地介绍，显而易见地，下面描述中的附图是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1为本发明一实施例提供的一种接入方法的流程示意图；
图2为本发明另一实施例提供的另一种接入方法的流程示意图；
图3为本发明另一实施例提供的第一传输点的结构示意图；
图4为本发明另一实施例提供的第二传输点的结构示意图；
图5是本申请实施例提供的一种通信设备的示意性框图。
图6是本申请实施例提供的一种芯片的示意性框图。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的全部其他实施例，都属于本发明保护的范围。
需要说明的是，本发明实施例中所涉及的终端可以包括但不限于手机、 个人数字助理(Personal Digital Assistant，PDA)、无线手持设备、平板电脑(Tablet Computer)、个人电脑(Personal Computer，PC)、MP3播放器、MP4播放器、可穿戴设备(例如，智能眼镜、智能手表、智能手环等)、车载终端等。
另外，本文中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
图1为本发明一实施例提供的一种接入方法的流程示意图，如图1所示。
101、第一传输点接收第二传输点发送的指示信息，用于指示所述第二传输点支持中继功能。
102、所述第一传输点根据所述指示信息，接入所述第二传输点所在无线接入网络。
可选的，本实施例中，所述第二传输点支持中继功能，是指该第二传输点支持其他传输点(即第一传输点)例如，中继设备等接入该第二传输点所在的无线接入网络。
可选的，本实施例中，所述接入所述第二传输点所在无线接入网络，是指中继设备(即第一传输点)通过接收第二传输点发送的同步信号，以第二传输点作为接入点接入到无线接入网络。
至此，由于第二传输点支持中继功能，使得第一传输点得以通过第二传输点，接入该第二传输点所在无线接入网络。
需要说明的是，所述第一传输点可以包括但不限于第一中继设备；对于仅支持单跳接入的中继系统，所述第二传输点可以为所述无线接入网络的接入网设备；对于支持多跳接入的中继系统，所述第二传输点可以为第二中继设备或者所述无线接入网络的接入网设备，本实施例对此不进行特别限定。
可选地，在本实施例的一个可能的实现方式中，在101中，所述第一传输点具体可以接收所述第二传输点通过系统广播消息、同步信号或者高层信令，发送的所述指示信息。
在一个具体的实现过程中，所述第一传输点具体可以接收所述第二传输点通过系统广播消息中的MIB或者SIB，发送的所述指示信息。
例如，具体可以采用所述系统广播消息中现有的主信息块(Master Information Block，MIB)或系统信息块(System Information Block，SIB)中的K比特(bit)携带所述指示信息，其中，K为大于或等于1的整数，或者还可以增加新的SIB携带所述指示信息。
或者，再例如，具体可以采用传输所述系统广播消息中现有的主信息块(Master Information Block，MIB)或系统信息块(System Information Block，SIB)的参考信号，指示所述指示信息。例如，可以通过参考信号的跟序列、循环移位(Cyclic shift)、正交掩码(Orthogonal cover code) 等，指示所述指示信息。
在另一个具体的实现过程中，所述第一传输点可以接收但不限于所述第二传输点通过主同步信号和/或辅同步信号，发送的所述指示信息。
在另一个具体的实现过程中，所述第一传输点具体可以接收所述第二传输点通过指定同步信号，发送的所述指示信息。
在另一个具体的实现过程中，所述第一传输点具体可以接收所述第二传输点通过指定分组内的任一同步信号，发送的所述指示信息。
具体来说，具体可以通过将同步信号进行分组，以获得第一分组和第二分组两个分组。在第一分组内的同步信号，均表示所述第二传输点支持中继功能；在第二分组内的同步信号，均表示所述第二传输点不支持中继功能。所述第二传输点可以根据自身是否支持中继功能，从相应的分组中，任意选择一个同步信号进行传输。
在所述第一传输点接收到同步信号之后，则可以根据该同步信号与预先配置的第一映射关系，确定所述第二传输点是否支持中继功能。其中，第一映射关系可以为同步信号与分组的对应关系，或者还可以为同步信号与是否支持中继功能的对应关系，本实施例对此不进行特别限定。
在另一个具体的实现过程中，所述第一传输点具体可以接收所述第二传输点通过无线物理资源控制(Radio Resource Control，RRC)消息，发送的所述指示信息。
具体地，具体可以通过RRC消息中的信息元素(Information Element，IE)携带所述指示信息，所述RRC消息可以为现有技术中的RRC消息，例如，RRC连接重配置(RRC CONNECTION RECONFIGURATION)消息等，本实施例对此不进行限定，通过对已有的RRC消息的IE进行扩展携带所述指示信息，或者所述RRC消息也可以为不同于现有技术中已有的RRC消息。
在另一个具体的实现过程中，所述第一传输点具体可以接收所述第二传输点通过媒体访问控制(Media Access Control，MAC)控制元素(Control Element，CE)消息，发送的所述指示信息。
具体地，具体可以通过增加新的MAC CE消息携带所述指示信息。
可选地，在本实施例的一个可能的实现方式中，在101中，所述第一传输点所接收的所述指示信息中还可以进一步携带所述第二传输点在所述无线接入网络中的传输层级或者传输跳数。
例如，Donor eNB即接入网设备，作为中继系统即所述无线接入网络中的第0传输层级或者第0传输跳数；与Donor eNB连接的RN1，作为中继系统中的第1传输层级或者第1传输跳数；与RN1连接的RN2，作为中继系统中的第2传输层级或者第2传输跳数。各传输层级的第二传输点，在其所发送的相应的指示信息中携带该第二传输点的在所述无线接入网络中的传输层级或者传输跳数。
这样，通过在第二传输点所发送的指示信息中携带所述第二传输点在所述无线接入网络中的传输层级或者传输跳数，使得第一传输点能够根据 所述传输层级或者传输跳数，结合传输层级或者传输跳数与传输资源之间的映射关系，从而获得接入所述无线接入网络所使用的传输资源，能够有效提高无线接入网络的接入效率。其中，所述映射关系可以是预配置在第一传输点上，或者通过网络配置的方式发送给第一传输点。
本实施例中，通过第一传输点接收第二传输点发送的指示信息，用于指示所述第二传输点支持中继功能，使得所述第一传输点能够根据所述指示信息，接入所述第二传输点所在无线接入网络，从而实现了第一传输点作为中继节点接入无线接入网络。
另外，采用本发明所提供的技术方案，通过在第二传输点所发送的指示信息中携带所述第二传输点在所述无线接入网络中的传输层级或者传输跳数，使得第一传输点能够根据所述传输层级或者传输跳数，从而获得接入所述无线接入网络所使用的传输资源，能够有效提高无线接入网络的接入效率。
图2为本发明另一实施例提供的另一种接入方法的流程示意图，如图2所示。
201、第二传输点向第一传输点发送指示信息，用于指示所述第二传输点支持中继功能，以供所述第一传输点根据所述指示信息，接入所述第二传输点所在无线接入网络。
可选的，本实施例中，所述第二传输点支持中继功能，是指该第二传输点支持其他传输点(即第一传输点)例如，中继设备等接入该第二传输点所在的无线接入网络。
可选的，本实施例中，所述接入所述第二传输点所在无线接入网络，是指中继设备(即第一传输点)通过接收第二传输点发送的同步信号，以第二传输点作为接入点接入到无线接入网络。
至此，由于第二传输点支持中继功能，使得第一传输点得以通过第二传输点，接入该第二传输点所在无线接入网络。
需要说明的是，所述第一传输点可以包括但不限于第一中继设备；对于仅支持单跳接入的中继系统，所述第二传输点可以为所述无线接入网络的接入网设备；对于支持多跳接入的中继系统，所述第二传输点可以为第二中继设备或者所述无线接入网络的接入网设备，本实施例对此不进行特别限定。
可选地，在本实施例的一个可能的实现方式中，在201中，所述第二传输点具体可以通过系统广播消息、同步信号或者高层信令，向所述第一传输点发送所述指示信息。
在一个具体的实现过程中，所述第二传输点具体可以通过系统广播消息中的MIB或者SIB，向所述第一传输点接收发送所述指示信息。
例如，具体可以采用所述系统广播消息中现有的主信息块(Master Information Block，MIB)或系统信息块(System Information Block，SIB)中的K比特(bit)携带所述指示信息，其中，K为大于或等于1的整数，或者还可以增加新的SIB携带所述指示信息。
或者，再例如，具体可以采用传输所述系统广播消息中现有的主信息块(Master Information Block，MIB)或系统信息块(System Information Block，SIB)的参考信号，指示所述指示信息。例如，可以通过参考信号的跟序列、循环移位(Cyclic shift)、正交掩码(Orthogonal cover code)等，指示所述指示信息。
在另一个具体的实现过程中，所述第二传输点具体可以通过主同步信号和/或辅同步信号，向所述第一传输点接收发送所述指示信息。
在另一个具体的实现过程中，所述第二传输点具体可以通过指定同步信号，向所述第一传输点接收发送所述指示信息。
在另一个具体的实现过程中，所述第二传输点具体可以通过指定分组内的任一同步信号，向所述第一传输点接收发送所述指示信息。
具体来说，具体可以通过将同步信号进行分组，以获得第一分组和第二分组两个分组。在第一分组内的同步信号，均表示所述第二传输点支持中继功能；在第二分组内的同步信号，均表示所述第二传输点不支持中继功能。所述第二传输点可以根据自身是否支持中继功能，从相应的分组中，任意选择一个同步信号进行传输。
在所述第一传输点接收到同步信号之后，则可以根据该同步信号与预先配置的第一映射关系，确定所述第二传输点是否支持中继功能。其中，第一映射关系可以为同步信号与分组的对应关系，或者还可以为同步信号与是否支持中继功能的对应关系，本实施例对此不进行特别限定。
在另一个具体的实现过程中，所述第二传输点具体可以通过无线物理资源控制(Radio Resource Control，RRC)消息，向所述第一传输点接收发送所述指示信息。
具体地，具体可以通过RRC消息中的信息元素(Information Element，IE)携带所述指示信息，所述RRC消息可以为现有技术中的RRC消息，例如，RRC连接重配置(RRC CONNECTION RECONFIGURATION)消息等，本实施例对此不进行限定，通过对已有的RRC消息的IE进行扩展携带所述指示信息，或者所述RRC消息也可以为不同于现有技术中已有的RRC消息。
在另一个具体的实现过程中，所述第二传输点具体可以通过媒体访问控制(Media Access Control，MAC)控制元素(Control Element，CE)消息，向所述第一传输点发送所述指示信息。
具体地，具体可以通过增加新的MAC CE消息携带所述指示信息。
可选地，在本实施例的一个可能的实现方式中，在201中，所述第二传输点所发送的所述指示信息中还可以进一步携带所述第二传输点在所述无线接入网络中的传输层级或者传输跳数。
例如，Donor eNB即接入网设备，作为中继系统即所述无线接入网络中的第0传输层级或者第0传输跳数；与Donor eNB连接的RN1，作为中继系统中的第1传输层级或者第1传输跳数；与RN1连接的RN2，作为中继系统中的第2传输层级或者第2传输跳数。各传输层级的第二传输点， 在其所发送的相应的指示信息中携带该第二传输点的在所述无线接入网络中的传输层级或者传输跳数。
这样，通过在第二传输点所发送的指示信息中携带所述第二传输点在所述无线接入网络中的传输层级或者传输跳数，使得第一传输点能够根据所述传输层级或者传输跳数，结合传输层级或者传输跳数与传输资源之间的映射关系，从而获得接入所述无线接入网络所使用的传输资源，能够有效提高无线接入网络的接入效率。其中，所述映射关系可以是预配置在第一传输点上，或者通过网络配置的方式发送给第一传输点。
本实施例中，通过第一传输点接收第二传输点发送的指示信息，用于指示所述第二传输点支持中继功能，使得所述第一传输点能够根据所述指示信息，接入所述第二传输点所在无线接入网络，从而实现了第一传输点作为中继节点接入无线接入网络。
另外，采用本发明所提供的技术方案，通过在第二传输点所发送的指示信息中携带所述第二传输点在所述无线接入网络中的传输层级或者传输跳数，使得第一传输点能够根据所述传输层级或者传输跳数，从而获得接入所述无线接入网络所使用的传输资源，能够有效提高无线接入网络的接入效率。
需要说明的是，对于前述的各方法实施例，为了简单描述，故将其都表述为一系列的动作组合，但是本领域技术人员应该知悉，本发明并不受所描述的动作顺序的限制，因为依据本发明，某些步骤可以采用其他顺序或者同时进行。其次，本领域技术人员也应该知悉，说明书中所描述的实施例均属于优选实施例，所涉及的动作和模块并不一定是本发明所必须的。
在上述实施例中，对各个实施例的描述都各有侧重，某个实施例中没有详述的部分，可以参见其他实施例的相关描述。
图3为本发明另一实施例提供的第一传输点的结构示意图，如图3所示。本实施例的第一传输点可以包括接收单元31。其中，接收单元31，用于接收第二传输点发送的指示信息，用于指示所述第二传输点支持中继功能；接入单元32，用于根据所述指示信息，接入所述第二传输点所在无线接入网络。
需要说明的是，所述第一传输点可以包括但不限于第一中继设备；对于仅支持单跳接入的中继系统，所述第二传输点可以为所述无线接入网络的接入网设备；对于支持多跳接入的中继系统，所述第二传输点可以为第二中继设备或者所述无线接入网络的接入网设备，本实施例对此不进行特别限定。
可选地，在本实施例的一个可能的实现方式中，所述接收单元31，具体可以用于接收所述第二传输点通过系统广播消息、同步信号或者高层信令，发送的所述指示信息。
在一个具体的实现过程中，所述接收单元31，具体可以用于接收所述第二传输点通过系统广播消息中的MIB或者SIB，发送的所述指示信息。
在另一个具体的实现过程中，所述接收单元31，具体可以用于接收所 述第二传输点通过主同步信号和/或辅同步信号，发送的所述指示信息。
在另一个具体的实现过程中，所述接收单元31，具体可以用于接收所述第二传输点通过指定同步信号，发送的所述指示信息；或者接收所述第二传输点通过指定分组内的任一同步信号，发送的所述指示信息。
在另一个具体的实现过程中，所述接收单元31，具体可以用于接收所述第二传输点通过RRC消息，发送的所述指示信息。
可选地，在本实施例的一个可能的实现方式中，所述指示信息中还可以进一步携带所述第二传输点在所述无线接入网络中的传输层级或者传输跳数。
需要说明的是，图1对应的实施例中第一传输点所执行的方法，可以由本实施例提供的第一传输点实现。详细描述可以参见图1对应的实施例中的相关内容，此处不再赘述。
本实施例中，通过接收单元接收第二传输点发送的指示信息，用于指示所述第二传输点支持中继功能，使得接入单元能够根据所述指示信息，接入所述第二传输点所在无线接入网络，从而实现了第一传输点作为中继节点接入无线接入网络。
另外，采用本发明所提供的技术方案，通过在第二传输点所发送的指示信息中携带所述第二传输点在所述无线接入网络中的传输层级或者传输跳数，使得第一传输点能够根据所述传输层级或者传输跳数，从而获得接入所述无线接入网络所使用的传输资源，能够有效提高无线接入网络的接入效率。
图4为本发明另一实施例提供的第二传输点的结构示意图，如图4所示。本实施例的第二传输点可以包括发送单元41，用于向第一传输点发送指示信息，用于指示所述第二传输点支持中继功能，以供所述第一传输点根据所述指示信息，接入所述第二传输点所在无线接入网络。
需要说明的是，所述第一传输点可以包括但不限于第一中继设备；对于仅支持单跳接入的中继系统，所述第二传输点可以为所述无线接入网络的接入网设备；对于支持多跳接入的中继系统，所述第二传输点可以为第二中继设备或者所述无线接入网络的接入网设备，本实施例对此不进行特别限定。
可选地，在本实施例的一个可能的实现方式中，所述发送单元41，具体可以用于通过系统广播消息、同步信号或者高层信令，向所述第一传输点发送所述指示信息。
在一个具体的实现过程中，所述发送单元41，具体可以用于通过系统广播消息中的MIB或者SIB，向所述第一传输点接收发送所述指示信息。
在另一个具体的实现过程中，所述发送单元41，具体可以用于通过主同步信号和/或辅同步信号，向所述第一传输点接收发送所述指示信息。
在另一个具体的实现过程中，所述发送单元41，具体可以用于通过指定同步信号，向所述第一传输点接收发送所述指示信息；或者通过指定分组内的任一同步信号，向所述第一传输点接收发送所述指示信息。
在另一个具体的实现过程中，所述发送单元41，具体可以用于通过RRC消息，向所述第一传输点接收发送所述指示信息。
可选地，在本实施例的一个可能的实现方式中，所述指示信息中还可以进一步携带所述第二传输点在所述无线接入网络中的传输层级或者传输跳数。
需要说明的是，图2对应的实施例中第二传输点所执行的方法，可以由本实施例提供的第二传输点实现。详细描述可以参见图2对应的实施例中的相关内容，此处不再赘述。
本实施例中，通过发送单元向第一传输点发送指示信息，用于指示所述第二传输点支持中继功能，以供所述第一传输点根据所述指示信息，接入所述第二传输点所在无线接入网络，从而实现了第一传输点作为中继节点接入无线接入网络。
另外，采用本发明所提供的技术方案，通过在第二传输点所发送的指示信息中携带所述第二传输点在所述无线接入网络中的传输层级或者传输跳数，使得第一传输点能够根据所述传输层级或者传输跳数，从而获得接入所述无线接入网络所使用的传输资源，能够有效提高无线接入网络的接入效率。
图5是本申请实施例提供的一种通信设备500示意性结构图。图5所示的通信设备500包括处理器510，处理器510可以从存储器中调用并运行计算机程序，以实现本申请实施例中的方法。
可选地，如图5所示，通信设备500还可以包括存储器520。其中，处理器510可以从存储器520中调用并运行计算机程序，以实现本申请实施例中的方法。
其中，存储器520可以是独立于处理器510的一个单独的器件，也可以集成在处理器510中。
应理解，本申请实施例的处理器可能是一种集成电路芯片，具有信号的处理能力。在实现过程中，上述方法实施例的各步骤可以通过处理器中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器可以是通用处理器、数字信号处理器(Digital Signal Processor，DSP)、专用集成电路(Application Specific Integrated Circuit，ASIC)、现成可编程门阵列(Field Programmable Gate Array，FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件。可以实现或者执行本申请实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。结合本申请实施例所公开的方法的步骤可以直接体现为硬件译码处理器执行完成，或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器，处理器读取存储器中的信息，结合其硬件完成上述方法的步骤。
可以理解，本申请实施例中的存储器可以是易失性存储器或非易失性 存储器，或可包括易失性和非易失性存储器两者。其中，非易失性存储器可以是只读存储器(Read-Only Memory，ROM)、可编程只读存储器(Programmable ROM，PROM)、可擦除可编程只读存储器(Erasable PROM，EPROM)、电可擦除可编程只读存储器(Electrically EPROM，EEPROM)或闪存。易失性存储器可以是随机存取存储器(Random Access Memory，RAM)，其用作外部高速缓存。通过示例性但不是限制性说明，许多形式的RAM可用，例如静态随机存取存储器(Static RAM，SRAM)、动态随机存取存储器(Dynamic RAM，DRAM)、同步动态随机存取存储器(Synchronous DRAM，SDRAM)、双倍数据速率同步动态随机存取存储器(Double Data Rate SDRAM，DDR SDRAM)、增强型同步动态随机存取存储器(Enhanced SDRAM，ESDRAM)、同步连接动态随机存取存储器(Synchlink DRAM，SLDRAM)和直接内存总线随机存取存储器(Direct Rambus RAM，DR RAM)。应注意，本文描述的系统和方法的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
应理解，上述存储器为示例性但不是限制性说明，例如，本申请实施例中的存储器还可以是静态随机存取存储器(static RAM，SRAM)、动态随机存取存储器(dynamic RAM，DRAM)、同步动态随机存取存储器(synchronous DRAM，SDRAM)、双倍数据速率同步动态随机存取存储器(double data rate SDRAM，DDR SDRAM)、增强型同步动态随机存取存储器(enhanced SDRAM，ESDRAM)、同步连接动态随机存取存储器(synch link DRAM，SLDRAM)以及直接内存总线随机存取存储器(Direct Rambus RAM，DR RAM)等等。也就是说，本申请实施例中的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
可选地，如图5所示，通信设备500还可以包括收发器530，处理器510可以控制该收发器530与其他设备进行通信，具体地，可以向其他设备发送信息或数据，或接收其他设备发送的信息或数据。
其中，收发器530可以包括发射机和接收机。收发器530还可以进一步包括天线，天线的数量可以为一个或多个。
可选地，该通信设备500具体可为本申请实施例的网络设备，并且该通信设备500可以实现本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该通信设备500具体可为本申请实施例的终端设备，并且该通信设备500可以实现本申请实施例的各个方法中由终端设备实现的相应流程，为了简洁，在此不再赘述。
图6是本申请实施例的芯片的示意性结构图。图6所示的芯片600包括处理器610，处理器610可以从存储器中调用并运行计算机程序，以实现本申请实施例中的方法。
可选地，如图6所示，芯片600还可以包括存储器620。其中，处理器610可以从存储器620中调用并运行计算机程序，以实现本申请实施例中的方法。
其中，存储器620可以是独立于处理器610的一个单独的器件，也可以集成在处理器610中。
应理解，本申请实施例的处理器可能是一种集成电路芯片，具有信号的处理能力。在实现过程中，上述方法实施例的各步骤可以通过处理器中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器可以是通用处理器、数字信号处理器(Digital Signal Processor，DSP)、专用集成电路(Application Specific Integrated Circuit，ASIC)、现成可编程门阵列(Field Programmable Gate Array，FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件。可以实现或者执行本申请实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。结合本申请实施例所公开的方法的步骤可以直接体现为硬件译码处理器执行完成，或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器，处理器读取存储器中的信息，结合其硬件完成上述方法的步骤。
可以理解，本申请实施例中的存储器可以是易失性存储器或非易失性存储器，或可包括易失性和非易失性存储器两者。其中，非易失性存储器可以是只读存储器(Read-Only Memory，ROM)、可编程只读存储器(Programmable ROM，PROM)、可擦除可编程只读存储器(Erasable PROM，EPROM)、电可擦除可编程只读存储器(Electrically EPROM，EEPROM)或闪存。易失性存储器可以是随机存取存储器(Random Access Memory，RAM)，其用作外部高速缓存。通过示例性但不是限制性说明，许多形式的RAM可用，例如静态随机存取存储器(Static RAM，SRAM)、动态随机存取存储器(Dynamic RAM，DRAM)、同步动态随机存取存储器(Synchronous DRAM，SDRAM)、双倍数据速率同步动态随机存取存储器(Double Data Rate SDRAM，DDR SDRAM)、增强型同步动态随机存取存储器(Enhanced SDRAM，ESDRAM)、同步连接动态随机存取存储器(Synchlink DRAM，SLDRAM)和直接内存总线随机存取存储器(Direct Rambus RAM，DR RAM)。应注意，本文描述的系统和方法的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
应理解，上述存储器为示例性但不是限制性说明，例如，本申请实施例中的存储器还可以是静态随机存取存储器(static RAM，SRAM)、动态随机存取存储器(dynamic RAM，DRAM)、同步动态随机存取存储器(synchronous DRAM，SDRAM)、双倍数据速率同步动态随机存取存储器(double data rate SDRAM，DDR SDRAM)、增强型同步动态随机存取存储器(enhanced SDRAM，ESDRAM)、同步连接动态随机存取存储器(synch link DRAM，SLDRAM)以及直接内存总线随机存取存储器(Direct Rambus RAM，DR RAM)等等。也就是说，本申请实施例中的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
可选地，该芯片600还可以包括输入接口630。其中，处理器610可以控制该输入接口630与其他设备或芯片进行通信，具体地，可以获取其他设备或芯片发送的信息或数据。
可选地，该芯片600还可以包括输出接口640。其中，处理器610可以控制该输出接口640与其他设备或芯片进行通信，具体地，可以向其他设备或芯片输出信息或数据。
可选地，该芯片可应用于本申请实施例中的网络设备，并且该芯片可以实现本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该芯片可应用于本申请实施例中的终端设备，并且该芯片可以实现本申请实施例的各个方法中由终端设备实现的相应流程，为了简洁，在此不再赘述。
应理解，本申请实施例提到的芯片还可以称为系统级芯片，系统芯片，芯片系统或片上系统芯片等。
本申请实施例还提供了一种计算机可读存储介质，用于存储计算机程序。
可选地，该计算机可读存储介质可应用于本申请实施例中的网络设备，并且该计算机程序使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该计算机可读存储介质可应用于本申请实施例中的终端设备，并且该计算机程序使得计算机执行本申请实施例的各个方法中由终端设备实现的相应流程，为了简洁，在此不再赘述。
本申请实施例还提供了一种计算机程序产品，包括计算机程序指令。
可选地，该计算机程序产品可应用于本申请实施例中的网络设备，并且该计算机程序指令使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该计算机程序产品可应用于本申请实施例中的终端设备，并且该计算机程序指令使得计算机执行本申请实施例的各个方法中由终端设备实现的相应流程，为了简洁，在此不再赘述。
本申请实施例还提供了一种计算机程序。
可选地，该计算机程序可应用于本申请实施例中的网络设备，当该计算机程序在计算机上运行时，使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该计算机程序可应用于本申请实施例中的终端设备，当该计算机程序在计算机上运行时，使得计算机执行本申请实施例的各个方法中由终端设备实现的相应流程，为了简洁，在此不再赘述。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使 用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read-Only Memory，)ROM、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应所述以权利要求的保护范围为准。

Claims (41)

  1. 一种接入方法，其特征在于，包括：
    第一传输点接收第二传输点发送的指示信息，用于指示所述第二传输点支持中继功能；
    所述第一传输点根据所述指示信息，接入所述第二传输点所在无线接入网络。
  2. 根据权利要求1所述的方法，其特征在于，所述第一传输点接收第二传输点发送的指示信息，包括：
    所述第一传输点接收所述第二传输点通过系统广播消息、同步信号或者高层信令，发送的所述指示信息。
  3. 根据权利要求2所述的方法，其特征在于，所述第一传输点接收所述第二传输点通过系统广播消息，发送的所述指示信息，包括：
    所述第一传输点接收所述第二传输点通过系统广播消息中的MIB或者SIB，发送的所述指示信息。
  4. 根据权利要求2所述的方法，其特征在于，所述第一传输点接收所述第二传输点通过同步信号，发送的所述指示信息，包括：
    所述第一传输点接收所述第二传输点通过主同步信号和/或辅同步信号，发送的所述指示信息。
  5. 根据权利要求2所述的方法，其特征在于，所述第一传输点接收所述第二传输点通过同步信号，发送的所述指示信息，包括：
    所述第一传输点接收所述第二传输点通过指定同步信号，发送的所述指示信息；或者
    所述第一传输点接收所述第二传输点通过指定分组内的任一同步信号，发送的所述指示信息。
  6. 根据权利要求2所述的方法，其特征在于，所述第一传输点接收所述第二传输点通过高层信令，发送的所述指示信息，包括：
    所述第一传输点接收所述第二传输点通过RRC消息，发送的所述指示信息。
  7. 根据权利要求1～6任一权利要求所述的方法，其特征在于，所述指示信息中携带所述第二传输点在所述无线接入网络中的传输层级或者传输跳数。
  8. 根据权利要求1～7任一权利要求所述的方法，其特征在于，
    所述第一传输点包括第一中继设备；
    所述第二传输点包括第二中继设备或者所述无线接入网络的接入网设备。
  9. 一种接入方法，其特征在于，包括：
    第二传输点向第一传输点发送指示信息，用于指示所述第二传输点支持中继功能，以供所述第一传输点根据所述指示信息，接入所述第二传输点所在无线接入网络。
  10. 根据权利要求9所述的方法，其特征在于，所述第二传输点向第一传输点发送指示信息，包括：
    所述第二传输点通过系统广播消息、同步信号或者高层信令，向所述第一传输点发送所述指示信息。
  11. 根据权利要求10所述的方法，其特征在于，所述第二传输点通过系统广播消息，向所述第一传输点发送所述指示信息，包括：
    所述第二传输点通过系统广播消息中的MIB或者SIB，向所述第一传输点接收发送所述指示信息。
  12. 根据权利要求10所述的方法，其特征在于，所述第二传输点通过同步信号，向所述第一传输点发送所述指示信息，包括：
    所述第二传输点通过主同步信号和/或辅同步信号，向所述第一传输点接收发送所述指示信息。
  13. 根据权利要求10所述的方法，其特征在于，所述第二传输点通过同步信号，向所述第一传输点发送所述指示信息，包括：
    所述第二传输点通过指定同步信号，向所述第一传输点接收发送所述指示信息；或者
    所述第二传输点通过指定分组内的任一同步信号，向所述第一传输点接收发送所述指示信息。
  14. 根据权利要求10所述的方法，其特征在于，所述第二传输点通过高层信令，向所述第一传输点发送所述指示信息，包括：
    所述第二传输点通过RRC消息，向所述第一传输点接收发送所述指示信息。
  15. 根据权利要求9～14任一权利要求所述的方法，其特征在于，所述指示信息中携带所述第二传输点在所述无线接入网络中的传输层级或者传输跳数。
  16. 根据权利要求9～15任一权利要求所述的方法，其特征在于，
    所述第一传输点包括第一中继设备；
    所述第二传输点包括第二中继设备或者所述无线接入网络的接入网设备。
  17. 一种第一传输点，其特征在于，包括：
    接收单元，用于接收第二传输点发送的指示信息，用于指示所述第二传输点支持中继功能；
    接入单元，用于根据所述指示信息，接入所述第二传输点所在无线接入网络。
  18. 根据权利要求17所述的第一传输点，其特征在于，所述接收单元，具体用于
    接收所述第二传输点通过系统广播消息、同步信号或者高层信令，发送的所述指示信息。
  19. 根据权利要求18所述的第一传输点，其特征在于，所述接收单元，具体用于
    接收所述第二传输点通过系统广播消息中的MIB或者SIB，发送的所述指示信息。
  20. 根据权利要求18所述的第一传输点，其特征在于，所述接收单元，具体用于
    接收所述第二传输点通过主同步信号和/或辅同步信号，发送的所述指示信息。
  21. 根据权利要求18所述的第一传输点，其特征在于，所述接收单元，具体用于
    接收所述第二传输点通过指定同步信号，发送的所述指示信息；或者接收所述第二传输点通过指定分组内的任一同步信号，发送的所述指示信息。
  22. 根据权利要求18所述的第一传输点，其特征在于，所述接收单元，具体用于
    接收所述第二传输点通过RRC消息，发送的所述指示信息。
  23. 根据权利要求17～22任一权利要求所述的第一传输点，其特征在于，所述指示信息中携带所述第二传输点在所述无线接入网络中的传输层级或者传输跳数。
  24. 根据权利要求17～23任一权利要求所述的第一传输点，其特征在于，
    所述第一传输点包括第一中继设备；
    所述第二传输点包括第二中继设备或者所述无线接入网络的接入网设备。
  25. 一种第二传输点，其特征在于，包括：
    发送单元，用于向第一传输点发送指示信息，用于指示所述第二传输点支持中继功能，以供所述第一传输点根据所述指示信息，接入所述第二传输点所在无线接入网络。
  26. 根据权利要求25所述的第二传输点，其特征在于，所述发送单元，具体用于
    通过系统广播消息、同步信号或者高层信令，向所述第一传输点发送所述指示信息。
  27. 根据权利要求26所述的第二传输点，其特征在于，所述发送单元，具体用于
    通过系统广播消息中的MIB或者SIB，向所述第一传输点接收发送所述指示信息。
  28. 根据权利要求26所述的第二传输点，其特征在于，所述发送单元，具体用于
    通过主同步信号和/或辅同步信号，向所述第一传输点接收发送所述指示信息。
  29. 根据权利要求26所述的第二传输点，其特征在于，所述发送单元，具体用于
    通过指定同步信号，向所述第一传输点接收发送所述指示信息；或者
    通过指定分组内的任一同步信号，向所述第一传输点接收发送所述指示信息。
  30. 根据权利要求26所述的第二传输点，其特征在于，所述发送单元，具体用于
    通过RRC消息，向所述第一传输点接收发送所述指示信息。
  31. 根据权利要求25～30任一权利要求所述的第二传输点，其特征在于，所述指示信息中携带所述第二传输点在所述无线接入网络中的传输层级或者传输跳数。
  32. 根据权利要求25～31任一权利要求所述的第二传输点，其特征在于，
    所述第一传输点包括第一中继设备；
    所述第二传输点包括第二中继设备或者所述无线接入网络的接入网设备。
  33. 一种通信设备，其特征在于，包括：处理器和存储器，该存储器用于存储计算机程序，所述处理器用于调用并运行所述存储器中存储的计算机程序，执行如权利要求1～16中任一项所述的方法。
  34. 一种芯片，其特征在于，包括：处理器，用于从存储器中调用并运行计算机程序，使得安装有所述芯片的设备执行如权利要求1～8中任一项所述的方法。
  35. 一种芯片，其特征在于，包括：处理器，用于从存储器中调用并运行计算机程序，使得安装有所述芯片的设备执行如权利要求9～16中任一项所述的方法。
  36. 一种计算机可读存储介质，其特征在于，用于存储计算机程序，所述计算机程序使得计算机执行如权利要求1～8中任一项所述的方法。
  37. 一种计算机可读存储介质，其特征在于，用于存储计算机程序，所述计算机程序使得计算机执行如权利要求9～16中任一项所述的方法。
  38. 一种计算机程序产品，其特征在于，包括计算机程序指令，该计算机程序指令使得计算机执行如权利要求1～8中任一项所述的方法。
  39. 一种计算机程序产品，其特征在于，包括计算机程序指令，该计算机程序指令使得计算机执行如权利要求9～16中任一项所述的方法。
  40. 一种计算机程序，其特征在于，所述计算机程序使得计算机执行如权利要求1～8中任一项所述的方法。
  41. 一种计算机程序，其特征在于，所述计算机程序使得计算机执行如权利要求9～16中任一项所述的方法。
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