WO2012159300A1 - 基于网络编码的协作传输方法及系统、基站及中继节点 - Google Patents
基于网络编码的协作传输方法及系统、基站及中继节点 Download PDFInfo
- Publication number
- WO2012159300A1 WO2012159300A1 PCT/CN2011/076437 CN2011076437W WO2012159300A1 WO 2012159300 A1 WO2012159300 A1 WO 2012159300A1 CN 2011076437 W CN2011076437 W CN 2011076437W WO 2012159300 A1 WO2012159300 A1 WO 2012159300A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- relay node
- mobile terminal
- base station
- data
- network coding
- Prior art date
Links
Classifications
-
- 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
- H04B7/15592—Adapting at the relay station communication parameters for supporting cooperative relaying, i.e. transmission of the same data via direct - and relayed path
-
- 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
- H04B7/15521—Ground-based stations combining by calculations packets received from different stations before transmitting the combined packets as part of network coding
Definitions
- the present invention relates to the field of wireless communication technologies, and in particular, to a cooperative transmission method and system based on network coding, a base station, and a relay node. Background technique
- the idea of collaborative communication originally originated from relay communication that is, the user and other relay nodes cooperated to transmit information, and the communication between the user and the destination node is guaranteed.
- the relay-based next-generation network architecture not only supports direct communication between the source node and the destination node through cooperative transmission technology, but also introduces one or more relay nodes, so that the information sent by the source node can also be transmitted by each relay node. After some processing, it is forwarded to the destination node.
- This multi-hop transmission method can bypass the obstacles that hinder the transmission of radio waves, overcome the influence of large-scale fading to a certain extent, reduce the path loss between the transceiver terminals, and reduce the transmission power of the equipment, thereby suppressing system interference and improving Signal to noise ratio of the signal.
- the traditional communication network transmits data in a manner of store-and-forward, that is, nodes other than the transmitting node and the receiving node of the data are only responsible for routing, and do not perform any processing on the data content, and the intermediate node acts as a repeater. character of.
- the relay node uses a store-and-forward mechanism to transmit data, and the relay node does not perform data transmission. Processing, system performance and system throughput are not high. Summary of the invention
- Embodiments of the present invention provide a cooperative transmission method and system based on network coding, a base station, and a relay node, which effectively combine cooperative relay and network coding, and perform network coding on data of multiple users through a relay node. Collaborate and forward to improve system performance and system throughput.
- a cooperative transmission method based on network coding comprising: After receiving the data sent by the multiple mobile terminals, the base station determines whether the data sent by the multiple mobile terminal is correctly received;
- a cooperative transmission method based on network coding comprising:
- the relay node receives data sent by the multiple mobile terminals
- the relay node demodulates and decodes the data sent by the multiple mobile terminals to obtain multi-channel demodulated and decoded data;
- the relay node determines whether the data transmitted by the multiple mobile terminal is correctly received; the relay node reports the determination result of whether the relay node correctly receives the data sent by the multiple mobile terminal to the base station ;
- the relay node performs network coding on the demodulated and decoded data according to the network coding control information, to obtain data encoded by one network;
- the relay node forwards the encoded data of the one network to the base station.
- a base station comprising:
- a first receiving module configured to receive data sent by the multiple mobile terminals
- a determining module configured to determine whether the data sent by the multiple mobile terminal is correctly received; the first receiving module is further configured to receive, by the relay node, whether the relay node correctly receives the multiple mobile terminal The judgment result of the transmitted data; a first determining module, configured to determine, according to whether the base station correctly receives data sent by the multiple mobile terminal, and whether the relay node reports whether the relay node correctly receives the multiple mobile terminal The judgment result of the data determines a mobile terminal that performs cooperative transmission based on the network coding;
- a sending module configured to send network coding control information to the relay node
- the first receiving module is further configured to receive data that is used by the relay node to perform network coding on data sent by the multiple mobile terminal according to the network coding control information.
- a relay node comprising:
- a second receiving module configured to receive data sent by the multiple mobile terminals
- a demodulation and decoding module configured to demodulate and decode data sent by the multiple mobile terminal, to obtain multiple demodulated and decoded data
- a second determining module configured to determine whether the relay node correctly receives data sent by the multiple mobile terminal
- a reporting module configured to report, to the base station, a determination result of whether the relay node correctly receives data sent by the multiple mobile terminal;
- the second receiving module is further configured to receive network coding control information sent by the base station, where the network coding module is configured to perform network coding on the demodulated and decoded data according to the network coding control information. , get the data encoded by the network all the way;
- a forwarding module configured to forward the encoded data of the one network to the base station.
- a cooperative transmission system based on network coding comprising:
- a base station a relay node, and a multi-path mobile terminal, wherein
- the base station is configured to: after receiving the data sent by the multiple mobile terminal, determine whether the data sent by the multiple mobile terminal is correctly received, and receive, by the relay node, whether the relay node correctly receives the received Determining, by the eNB, whether the base station correctly receives the data sent by the multiplex mobile terminal, and whether the relay node reports whether the relay node correctly receives the The judgment result of the data transmitted by the multi-way mobile terminal, Determining, by the mobile terminal that performs cooperative transmission based on the network coding, sending network coding control information to the relay node, and receiving, by the relay node, network coding the data sent by the multiple mobile terminal according to the network coding control information The data;
- the relay node is configured to receive data sent by the multi-path mobile terminal, demodulate and decode the data sent by the multiple mobile terminal, and obtain multi-channel demodulated and decoded data, and determine whether the multi-channel decoded data is correctly received. And the data sent by the mobile terminal is reported to the base station, and the network coding control information sent by the base station is received according to the network coding, if the relay node correctly receives the data sent by the multiple mobile terminal. Controlling information, performing network coding on the demodulated and decoded data to obtain one network coded data, and forwarding the data encoded by the one network to the base station.
- the network coding-based cooperative transmission method and system, the base station, and the relay node provided by the embodiment of the present invention the base station determines whether the base station correctly receives the data sent by the multiple mobile terminal, and the relay node reports the The mobile terminal that performs cooperative transmission based on the network coding is determined according to whether the node correctly receives the judgment result of the data sent by the multiple mobile terminal.
- the network coding-based cooperative transmission method and system, the base station, and the relay node provided by the embodiments of the present invention effectively combine the cooperative relay and the network coding, and the data of the multi-channel user through the relay node. Network coding is performed before cooperative forwarding, thereby improving system performance and system throughput.
- Embodiment 1 is a flowchart of a method according to Embodiment 1 of the present invention.
- FIG. 3 is a flowchart of a method according to Embodiment 2 of the present invention.
- FIG. 4 is a flowchart of a method according to Embodiment 3 of the present invention
- FIG. 5 is a flowchart of a method according to Embodiment 4 of the present invention
- FIG. 6 is a flowchart of a method for a relay node to determine a list of mobile terminals in a coverage area according to Embodiment 4 of the present invention
- FIG. 7 is a schematic diagram of processing, by a relay node, data received according to Embodiment 4 of the present invention.
- FIG. 8 is a schematic structural diagram of a base station according to Embodiment 5 of the present invention.
- FIG. 9 is a schematic structural diagram of a relay node according to Embodiment 6 of the present invention.
- FIG. 10 is a schematic structural diagram of a relay node according to Embodiment 6 of the present invention.
- FIG. 11 is a schematic diagram of a system according to Embodiment 7 of the present invention. detailed description
- the embodiment provides a cooperative transmission method based on network coding. As shown in FIG. 1, the method includes:
- the base station After receiving the data sent by the multiple mobile terminals, the base station determines whether the data sent by the multiple mobile terminal is correctly received.
- the base station receives, by the relay node, a determination result about whether the relay node correctly receives data sent by the multiple mobile terminal.
- the base station determines, according to whether the base station correctly receives data sent by the multiple mobile terminal, and whether the relay node reports whether the relay node correctly receives data sent by the multiple mobile terminal. Judging result, determining the mobile terminal based on network coding for cooperative transmission End
- the base station sends network coding control information to the relay node.
- the base station receives network coded data that is sent by the relay node to the data sent by the multiple terminal according to the network coding control information.
- the network coding-based cooperative transmission method provided by the embodiment of the present invention the base station determines, according to whether the base station correctly receives data sent by the multiple mobile terminal, and whether the relay node reports whether the relay node correctly receives the multiple
- the judgment result of the data transmitted by the mobile terminal determines a mobile terminal that performs cooperative transmission based on the network coding.
- the network coding-based cooperative transmission method provided by the embodiment of the present invention effectively combines cooperative relay and network coding, and performs network coding on the data of multiple users through the relay node, and then performs cooperative forwarding. , thereby improving system performance and system throughput.
- the embodiment provides a cooperative transmission method based on network coding. As shown in FIG. 2, the method includes:
- the base station sends data transmission control information to the multiple mobile terminal.
- the data transmission control information includes at least resource allocation information (Transportation Information) and transmission format (Transmi s s ion Forma) information required by the multiplex mobile terminal to transmit data.
- Transportation Information Resource allocation information
- Transmi s s ion Forma transmission format
- the base station receives data that is sent by the multiple mobile terminal according to the data transmission control information.
- the multiplex mobile terminal After receiving the resource assignment information, the transmission format, and the like sent by the base station, the multiplex mobile terminal transmits data to the base station by using a corresponding transmission format on the corresponding time-frequency resource, for example: MS1 (Mobi le Sta t t Ion, mobile terminal) transmits data ml, MS2 transmits data m2.
- MS1 Mole Sta t t Ion, mobile terminal
- the base station After receiving the data sent by the multiple mobile terminal, the base station determines whether the data sent by the multiple mobile terminal is correctly received.
- the base station receives, by the relay node, whether the relay node correctly receives the The judgment result of the data transmitted by the multi-path mobile terminal;
- the relay node After receiving the data sent by the multiple mobile terminal, the relay node performs demodulation and decoding, and determines whether the relay node receives correctly, and feeds back a determination result of whether the channel is correctly received to the base station, if correct Receiving, feeding back an ACK to the base station, and if not receiving the acknowledgement, feeding back a NACK to the base station.
- the base station determines, according to whether the base station correctly receives data sent by the multiple mobile terminal, and whether the relay node reports whether the relay node correctly receives data sent by the multiple mobile terminal. a result of the determination, determining a mobile terminal that performs cooperative transmission based on the network coding;
- the base station determines, by the base station, whether the base station correctly receives the data sent by the multiple mobile terminal, and simultaneously determining whether the relay node reports the data sent by the multiple mobile terminal to the base station.
- the base station determines for which mobile terminals to perform cooperative transmission based on the network coding, as shown in FIG. 3, the base station determines cooperative transmission based on the network coding for the MS 1 and the MS 2.
- the base station sends network coding control information to the relay node.
- the base station sends the network coding control information to the relay node, for example: resource block as s ign ment and hopping resource al loca t ion , modulation coding mode and redundancy Modulanation and coding scheme and redundancy vers ion, new data indication (New da ta indica tor ), power control indication ( TPC Command for scheduled PUSCH ), network coding indica t ion , network Encoded User ID (UE ID).
- resource block as s ign ment and hopping resource al loca t ion , modulation coding mode and redundancy Modulanation and coding scheme and redundancy vers ion, new data indication (New da ta indica tor ), power control indication ( TPC Command for scheduled PUSCH ), network coding indica t ion , network Encoded User ID (UE ID).
- the base station sends, to the mobile terminal that performs cooperative transmission based on network coding, acknowledgement information of correctly receiving data.
- the base station sends ACK information to the MS1 and the MS1, and after receiving the ACK information sent by the base station, the MS1 and the MS2 do not retransmit the ml and m2 information.
- the base station receives, by the relay node, the multipath according to the network coding control information.
- the data sent by the mobile terminal is subjected to network-encoded data.
- the network coding-based cooperative transmission method provided by the embodiment of the present invention the base station determines, according to whether the base station correctly receives data sent by the multiple mobile terminal, and whether the relay node reports whether the relay node correctly receives the multiple
- the judgment result of the data transmitted by the mobile terminal determines a mobile terminal that performs cooperative transmission based on the network coding.
- the network coding-based cooperative transmission method provided by the embodiment of the present invention effectively combines cooperative relay and network coding, and performs network coding on the data of multiple users through the relay node, and then performs cooperative forwarding. , thereby improving system performance and system throughput.
- the embodiment provides a cooperative transmission method based on network coding. As shown in FIG. 4, the method includes:
- the relay node receives data sent by the multiple mobile terminals.
- the relay node demodulates and decodes data sent by the multiple mobile terminal to obtain multiple demodulated and decoded data.
- the relay node determines whether the data sent by the multiple mobile terminal is correctly received.
- the relay node reports, to the base station, a determination result of whether the relay node correctly receives data sent by the multiple mobile terminal.
- the relay node receives network coding control information sent by the base station.
- the relay node performs network coding on the demodulated and decoded data according to the network coding control information, to obtain data encoded by one network;
- the relay node forwards the data encoded by the one network to the base station.
- the network coding-based cooperative transmission method provided by the embodiment of the present invention, after receiving the data sent by the multiple mobile terminals, the relay node performs demodulation and decoding, determines whether the data sent by the multiple mobile terminal is correctly received, and Determining whether the relay node correctly receives the data sent by the multiple mobile terminal to the base station, and after receiving the network coding control information sent by the base station, performing the demodulated and decoded data on the network Encoded and forwarded to the base station.
- the cooperative relay and the network coding are effectively combined, and the data of the multi-channel user is coded by the relay node, and then cooperatively forwarded, thereby improving System performance and system throughput.
- the embodiment provides a cooperative transmission method based on network coding. As shown in FIG. 5, the method includes:
- the relay node determines a list of mobile terminals that are within the coverage of the relay node. Specifically, as shown in FIG. 6, the relay node measures an intensity of a sounding signal transmitted by the mobile terminal to the base station. Determining whether the strength of the sounding signal is greater than a preset threshold value, wherein the mobile terminal transmits the sounding signal to the base station on a corresponding time-frequency resource according to the sounding-related parameter information, where the sounding correlation is Parameter information includes transmission bandwidth, configuration period, and transmission offset.
- the configuration period and transmission offset of the probe related parameter information are as follows:
- the bandwidth configuration of the probe related parameter information is as follows:
- the strength of the sounding signal is not greater than a preset threshold, it is determined that the mobile terminal is not within the coverage of the relay node.
- the relay node reports the list of mobile terminals in the coverage of the relay node to the base station.
- the relay node receives data sent by multiple mobile terminals.
- the relay node demodulates and decodes data sent by the multiple mobile terminals to obtain multiple demodulated and decoded data.
- the relay node determines whether the data sent by the multiple mobile terminal is correctly received.
- the relay node reports, to the base station, a determination result of whether the relay node correctly receives data sent by the multiple mobile terminal, and receives network coding control information sent by the base station.
- the relay node performs network coding on the demodulated and decoded data according to the network coding control information, to obtain data encoded by one network;
- the relay node performs coding, modulation, precoding, and resource mapping on the encoded data of the one network, and generates a single carrier frequency division multiple access SC-F A signal;
- the relay node forwards the data that is encoded, coded, modulated, precoded, and resource mapped by the network, and generates a single carrier frequency division multiple access SC-F A signal to the base station.
- the relay node will be in the The mobile terminal list in the coverage of the relay node is reported to the base station, and after receiving the data sent by the multiple mobile terminal, performing demodulation and decoding, determining whether the data sent by the multiple mobile terminal is correctly received, and And determining, according to whether the node correctly receives the data sent by the multiple mobile terminal, reporting the result to the base station, and after receiving the network coding control information sent by the base station, performing network coding on the demodulated and decoded data. And forwarded to the base station.
- the network coding-based cooperative transmission method provided by the embodiment of the present invention effectively combines cooperative relay and network coding, and performs network coding on the data of multiple users through the relay node, and then performs cooperative forwarding. , thereby improving system performance and system throughput.
- the embodiment provides a base station.
- the base station includes:
- the first receiving module 81 is configured to receive data sent by the multiple mobile terminals
- the first determining module 82 is configured to determine whether the data sent by the multiple mobile terminal is correctly received.
- the first receiving module 81 is further configured to receive, by the relay node, whether the relay node correctly receives the The judgment result of the data transmitted by the multi-path mobile terminal;
- a first determining module 83 configured to determine, according to whether the base station correctly receives data sent by the multiple mobile terminal, and whether the relay node reports correctly whether the relay node correctly receives the multiple mobile terminal a determination result of the transmitted data, determining a mobile terminal that performs cooperative transmission based on the network coding;
- a sending module 84 configured to send network coding control information to the relay node
- the first receiving module 81 is further configured to receive data that is used by the relay node to perform network coding on data sent by the multiple terminal according to the network coding control information.
- the sending module 84 is further configured to send data transmission control information to the multiple mobile terminal;
- the first receiving module 81 is further configured to receive data that is sent by the multiple mobile terminal according to the data transmission control information.
- the data transmission control information includes at least the data required by the multiple mobile terminal to transmit data. Required resource assignment information and transport format information.
- the sending module 84 is specifically configured to send a resource block and a frequency hopping resource indication, a modulation and coding mode, a redundancy version, a new data indication, a power control indication, a network coding indication, and a network to the relay node.
- the encoded user ID is specifically configured to send a resource block and a frequency hopping resource indication, a modulation and coding mode, a redundancy version, a new data indication, a power control indication, a network coding indication, and a network to the relay node.
- the sending module 84 is further configured to send, to the mobile terminal that performs cooperative transmission based on the network coding, acknowledgement information that correctly receives data.
- the base station provided by the embodiment of the present invention is configured to determine, according to whether the base station correctly receives data sent by the multiple mobile terminal, and whether the relay node reports whether the relay node correctly receives the multiple mobile terminal. The result of the judgment of the data determines a mobile terminal that performs cooperative transmission based on the network coding.
- the base station provided by the embodiment of the present invention effectively combines cooperative relay and network coding, and performs network coding on the data of multiple users through the relay node, and then performs cooperative forwarding, thereby improving system performance and System throughput.
- the embodiment provides a relay node.
- the relay node includes: a second receiving module 901, configured to receive data sent by multiple terminals;
- a demodulation and decoding module 902 configured to demodulate and decode data sent by the multiple mobile terminal to obtain multiple demodulated and decoded data
- a second determining module 903 configured to determine whether the relay node correctly receives data sent by the multiple mobile terminal
- the reporting module 904 is configured to report, to the base station, a determination result of whether the relay node correctly receives data sent by the multiple mobile terminal;
- the second receiving module 901 is further configured to receive network coding control information sent by the base station, where the network coding module 905 is configured to perform, according to the network coding control information, the demodulated and decoded data. Network coding, obtaining the data encoded by the network;
- the forwarding module 906 is configured to forward the encoded data of the one network to the base station.
- the relay node may further include:
- the encoding module 907 is configured to encode the data encoded by the one network, and the modulation module 908 is configured to modulate the encoded data.
- a precoding module 909 configured to perform precoding on the one-way modulated data using a discrete Fourier transform DFT;
- the resource mapping module 91 0 is configured to perform resource mapping on the one-way pre-coded data, and the single-carrier frequency division multiple access SC-F A signal generation module 91 1 is configured to generate data after mapping the one-way resource.
- the relay node may further include:
- a second determining module 912 configured to determine a list of mobile terminals within the coverage of the relay node
- the reporting module 904 is further configured to report the list of mobile terminals within the coverage of the relay node to the base station.
- the second determining module 912 includes:
- the measuring unit 9121 is configured to measure a strength of the sounding signal transmitted by the mobile terminal to the base station;
- the determining unit 9122 is configured to determine whether the strength of the detection signal is greater than a preset threshold, where the mobile terminal transmits the detection to the base station according to the detection related parameter information on a corresponding time-frequency resource.
- a signal, the detection related parameter information includes a transmission bandwidth, a configuration period, and a transmission offset;
- a first determining unit 9123 configured to determine, when the strength of the sounding signal is greater than a preset threshold, that the mobile terminal is within a coverage of the relay node;
- the second determining unit 9124 is configured to determine that the mobile terminal is not in the coverage of the relay node when the strength of the sounding signal is not greater than a preset threshold.
- the relay node provided by the embodiment of the present invention reports the list of mobile terminals in the coverage of the relay node to the base station by using the second determining module, and after receiving the data sent by the multiple mobile terminals by using the second receiving module, Demodulation and decoding, and determining whether to correctly receive the device by the second determining module
- the data sent by the multiplexed mobile terminal is reported to the base station by the reporting module whether the relay node correctly receives the data sent by the multiple mobile terminal, and after receiving the network coding control information sent by the base station And demultiplexing and decoding the multi-channel demodulated and decoded data to the base station by using a forwarding module.
- the relay node provided by the embodiment of the present invention effectively combines the cooperative relay and the network coding, and performs network coding on the data of the multiple users by the relay node, and then performs cooperative forwarding, thereby improving the system. Performance and system throughput.
- the embodiment provides a cooperative transmission system based on network coding.
- the system includes a base station, a relay node, and a multi-path mobile terminal, where
- the base station is configured to: after receiving the data sent by the multiple mobile terminal, determine whether the data sent by the multiple mobile terminal is correctly received, and receive, by the relay node, whether the relay node correctly receives the received Determining, by the eNB, whether the base station correctly receives the data sent by the multiplex mobile terminal, and whether the relay node reports whether the relay node correctly receives the a determination result of the data sent by the multiplex mobile terminal, determining a mobile terminal that performs cooperative transmission based on the network coding, transmitting network coding control information to the relay node, and receiving, by the relay node, the network coding control information according to the
- the data sent by the multi-path mobile terminal is subjected to network-encoded data;
- the relay node is configured to receive data sent by the multi-path mobile terminal, demodulate and decode the data sent by the multiple mobile terminal, and obtain multi-channel demodulated and decoded data, and determine whether the multi-channel decoded data is correctly received. And the data sent by the mobile terminal is reported to the base station, and the network coding control information sent by the base station is received according to the network coding, if the relay node correctly receives the data sent by the multiple mobile terminal. Controlling information, performing network coding on the demodulated and decoded data to obtain one network coded data, and forwarding the data encoded by the one network to the base station.
- the base station determines whether the base station correctly receives the data sent by the multiple mobile terminal and the information reported by the relay node. Whether the relay node correctly receives the determination result of the data sent by the multiple mobile terminal, and determines the mobile terminal that performs cooperative transmission based on the network coding.
- the network coding-based cooperative transmission system provided by the embodiment of the present invention effectively combines cooperative relay and network coding, and performs network coding on the data of multiple users through the relay node, and then performs cooperative forwarding. , thereby improving system performance and system throughput.
- the network coding-based cooperative transmission method and system, the base station, and the relay node provided by the embodiment of the present invention may implement the foregoing method embodiments.
- the network coding-based cooperative transmission method, the base station, and the relay node provided by the embodiments of the present invention may be applied to the TDD mode, but are not limited thereto.
- the storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
本发明实施例公开了一种基于网络编码的协作传输方法及系统、基站及中继节点，所述方法包括：判断基站是否正确接收所述多路移动终端发送的数据；所述基站根据基站是否正确接收所述多路移动终端发送的数据的判断结果和所述中继节点上报的关于所述中继节点是否正确接收所述多路移动终端发送的数据的判断结果，确定基于网络编码进行协作传输的移动终端；所述基站向所述中继节点发送网络编码控制信息；所述基站接收所述中继节点根据所述网络编码控制信息对所述多路终端发送的数据进行网络编码后的数据。本发明适用于无线通信领域中的基于网络编码的协作传输。
Description
基于网络编码的协作传输方法及系统、 基站及中继节点 技术领域
本发明涉及无线通信技术领域， 特别涉及一种基于网络编码的协作传输 方法及系统、 基站及中继节点。 背景技术
协作通信的思想最初来源于中继通信， 即用户与其他中继节点之间通过 协作来进行信息传输， 保障用户与目的节点之间的通信。 基于中继的下一代 网络架构通过协作传输技术， 不仅可以支持源节点与目的节点之间的直接通 信， 而且引入一个或多个中继节点， 使得源节点发出的信息还能由各中继节 点经过一定方式的处理后再转发至目的节点。 这种多跳传输方式可以绕开阻 碍电波传输的障碍物， 在一定程度上克服了大尺度衰落的影响， 减少了收发 终端间的路径损耗， 降低了设备的发射功率， 从而抑制系统干扰并提高信号 的信噪比。
在现有的协作通信中， 传统的通信网络传送数据的方式是存储转发， 即 除了数据的发送节点和接收节点以外的节点只负责路由， 而不对数据内容做 任何处理， 中间节点扮演着转发器的角色。
在实现本发明的过程中， 发明人发现现有技术中至少存在如下问题： 在现有的协作通信中， 中继节点釆用存储转发的机制来传输数据， 中继 节点没有对传输的数据进行加工， 系统性能及系统吞吐量不高。 发明内容
本发明的实施例提供一种基于网络编码的协作传输方法及系统、 基站及 中继节点， 将协作中继与网络编码有效结合起来， 通过中继节点对多路用户 的数据进行网络编码后再进行协作转发， 从而提升系统性能及系统吞吐量。
本发明实施例釆用的技术方案为：
一种基于网络编码的协作传输方法， 包括：
基站接收多路移动终端发送的数据后， 判断否正确接收所述多路移动终 端发送的数据；
所述基站接收中继节点上报的关于所述中继节点是否正确接收所述多路 移动终端发送的数据的判断结果；
所述基站根据所述基站是否正确接收所述多路移动终端发送的数据的判 断结果和所述中继节点上报的关于所述中继节点是否正确接收所述多路移动 终端发送的数据的判断结果， 确定基于网络编码进行协作传输的移动终端； 所述基站向所述中继节点发送网络编码控制信息；
所述基站接收所述中继节点根据所述网络编码控制信息对所述多路移动 终端发送的数据进行网络编码后的数据。
一种基于网络编码的协作传输方法， 包括：
中继节点接收多路移动终端发送的数据；
所述中继节点将所述多路移动终端发送的数据进行解调解码， 得到多路 经解调解码后的数据；
所述中继节点判断是否正确接收所述多路移动终端发送的数据； 所述中继节点将所述中继节点是否正确接收所述多路移动终端发送的数 据的判断结果上报给所述基站；
所述中继节点接收所述基站发送的网络编码控制信息；
所述中继节点根据所述网络编码控制信息， 将所述多路经解调解码后的 数据进行网络编码， 得到一路网络编码后的数据；
所述中继节点将所述一路网络编码后的数据转发给基站。
一种基站， 包括：
第一接收模块， 用于接收多路移动终端发送的数据；
判断模块， 用于判断是否正确接收所述多路移动终端发送的数据； 所述第一接收模块， 还用于接收中继节点上报的关于所述中继节点是否 正确接收所述多路移动终端发送的数据的判断结果；
第一确定模块， 用于根据所述基站是否正确接收所述多路移动终端发送 的数据的判断结果和所述中继节点上报的关于所述中继节点是否正确接收所 述多路移动终端发送的数据的判断结果， 确定基于网络编码进行协作传输的 移动终端；
发送模块， 用于向所述中继节点发送网络编码控制信息；
所述第一接收模块， 还用于接收所述中继节点根据所述网络编码控制信 息对所述多路移动终端发送的数据进行网络编码后的数据。
一种中继节点， 包括：
第二接收模块， 用于接收多路移动终端发送的数据；
解调解码模块， 用于将所述多路移动终端发送的数据进行解调解码， 得 到多路经解调解码后的数据；
第二判断模块， 用于判断所述中继节点是否正确接收所述多路移动终端 发送的数据；
上报模块， 用于将所述中继节点是否正确接收所述多路移动终端发送的 数据的判断结果上报给所述基站；
所述第二接收模块， 还用于接收所述基站发送的网络编码控制信息； 网络编码模块， 用于根据所述网络编码控制信息， 将所述多路经解调解 码后的数据进行网络编码， 得到一路网络编码后的数据；
转发模块， 用于将所述一路网络编码后的数据转发给基站。
一种基于网络编码的协作传输系统， 包括：
基站、 中继节点和多路移动终端， 其中，
所述基站， 用于接收所述多路移动终端发送的数据后， 判断是否正确接 收所述多路移动终端发送的数据， 接收所述中继节点上报的关于所述中继节 点是否正确接收所述多路移动终端发送的数据的判断结果， 根据所述基站是 否正确接收所述多路移动终端发送的数据的判断结果和所述中继节点上报的 关于所述中继节点是否正确接收所述多路移动终端发送的数据的判断结果，
确定基于网络编码进行协作传输的移动终端， 向所述中继节点发送网络编码 控制信息， 接收所述中继节点根据所述网络编码控制信息对所述多路移动终 端发送的数据进行网络编码后的数据；
所述中继节点， 用于接收多路移动终端发送的数据， 将所述多路移动终 端发送的数据进行解调解码， 得到多路经解调解码后的数据， 判断是否正确 接收所述多路移动终端发送的数据， 将所述中继节点是否正确接收所述多路 移动终端发送的数据的判断结果上报给所述基站， 接收所述基站发送的网络 编码控制信息， 根据所述网络编码控制信息， 将所述多路经解调解码后的数 据进行网络编码， 得到一路网络编码后的数据， 将所述一路网络编码后的数 据转发给所述基站。
本发明实施例提供的基于网络编码的协作传输方法及系统、 基站及中继 节点， 基站根据所述基站是否正确接收多路移动终端发送的数据的判断结果 以及中继节点上报的关于所述中继节点是否正确接收所述多路移动终端发送 的数据的判断结果， 确定基于网络编码进行协作传输的移动终端。 与现有技 术相比， 本发明实施例提供的基于网络编码的协作传输方法及系统、 基站及 中继节点， 将协作中继与网络编码有效结合起来， 通过中继节点对多路用户 的数据进行网络编码后再进行协作转发， 从而提升系统性能及系统吞吐量。 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简单地介绍， 显而易见地， 下面描述中的附 图仅仅是本发明的一些实施例， 对于本领域普通技术人员来讲， 在不付出创 造性劳动的前提下， 还可以根据这些附图获得其它的附图。
图 1为本发明实施例一提供的方法流程图；
图 2为本发明实施例二提供的方法流程图；
图 3为本发明实施例二提供的方法流程图；
图 4为本发明实施例三提供的方法流程图；
图 5为本发明实施例四提供的方法流程图；
图 6为本发明实施例四提供的中继节点确定覆盖范围内移动终端列表的 方法流程图；
图 7为本发明实施例四提供的中继节点对接收到的数据进行处理的示意 图；
图 8为本发明实施例五提供的基站结构示意图；
图 9为本发明实施例六提供的中继节点结构示意图；
图 10为本发明实施例六提供的中继节点结构示意图；
图 11为本发明实施例七提供的系统示意图。 具体实施方式
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， 所描述的实施例仅仅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做 出创造性劳动前提下所获得的所有其它实施例， 都属于本发明保护的范围。
为使本发明技术方案的优点更加清楚， 下面结合附图和实施例对本发明 作详细说明。
实施例一
本实施例提供一种基于网络编码的协作传输方法， 如图 1所示， 所述方法 包括：
101、 基站接收多路移动终端发送的数据后， 判断是否正确接收所述多路 移动终端发送的数据；
102、 所述基站接收中继节点上报的关于所述中继节点是否正确接收所述 多路移动终端发送的数据的判断结果；
103、 所述基站根据所述基站是否正确接收所述多路移动终端发送的数据 的判断结果和所述中继节点上报的关于所述中继节点是否正确接收所述多路 移动终端发送的数据的判断结果， 确定基于网络编码进行协作传输的移动终
端；
104、 所述基站向所述中继节点发送网络编码控制信息；
105、 所述基站接收所述中继节点根据所述网络编码控制信息对所述多路 终端发送的数据进行网络编码后的数据。
本发明实施例提供的基于网络编码的协作传输方法， 基站根据所述基站 是否正确接收多路移动终端发送的数据的判断结果以及中继节点上报的关于 所述中继节点是否正确接收所述多路移动终端发送的数据的判断结果， 确定 基于网络编码进行协作传输的移动终端。 与现有技术相比， 本发明实施例提 供的基于网络编码的协作传输方法， 将协作中继与网络编码有效结合起来， 通过中继节点对多路用户的数据进行网络编码后再进行协作转发， 从而提升 系统性能及系统吞吐量。
实施例二
本实施例提供一种基于网络编码的协作传输方法， 如图 2所示， 所述方法 包括：
201、 基站向所述多路移动终端发送数据传输控制信息；
其中， 数据传输控制信息至少包括所述多路移动终端发送数据所需要的 资源指配信息 ( Resource As s ignment )和传输格式 ( Transmi s s ion Forma ) 信息。
202、 所述基站接收所述多路移动终端根据所述数据传输控制信息发送的 数据；
所述多路移动终端接收到基站发送的资源指配信息、 传输格式等后， 在 相应的时频资源上， 釆用相应的传输格式向所述基站传输数据， 例如： MS1 ( Mobi le Sta t ion, 移动终端）传输数据 ml, MS2传输数据 m2。
203、 所述基站接收所述多路移动终端发送的数据后， 判断是否正确接收 所述多路移动终端发送的数据；
204、 所述基站接收中继节点上报的关于所述中继节点是否正确接收所述
多路移动终端发送的数据的判断结果；
所述中继节点在收到所述多路移动终端发送的数据后， 进行解调解码， 并判断所述中继节点是否正确接收， 将是否正确接收的判断结果反馈给所述 基站， 如果正确接收， 向所述基站反馈 ACK, 如果不确认接收， 则向所述基站 反馈 NACK。
205、 所述基站根据所述基站是否正确接收所述多路移动终端发送的数据 的判断结果和所述中继节点上报的关于所述中继节点是否正确接收所述多路 移动终端发送的数据的判断结果， 确定基于网络编码进行协作传输的移动终 端；
所述基站根据所述基站是否正确接收所述多路移动终端发送的数据的判 断结果， 同时结合所述中继节点向所述基站上报的是否正确接收所述多路移 动终端发送的数据的判断结果， 所述基站确定对于哪些移动终端基于网络编 码进行协作传输， 如图 3所示， 所述基站确定对 MS 1和 MS 2基于网络编码进行协 作传输。
206、 所述基站向所述中继节点发送网络编码控制信息；
具体地， 所述基站向所述中继节点发送所述网络编码控制信息， 例如： 资源块及兆频资源指示 ( Resource block as s ignment and hopping resource a l loca t ion ), 调制编码方式及冗余版本 ( Modula t ion and coding scheme and redundancy vers ion ), 新数据指示 ( New da ta indica tor ), 功率控制指示 ( TPC Command for scheduled PUSCH )、 网络编码指示 （Network coding indica t ion ), 釆用网络编码的用户 ID ( UE ID )。
207、 所述基站向所述基于网络编码进行协作传输的移动终端发送正确接 收数据的确认信息；
具体地， 所述基站向 MS1和 MS1发送 ACK信息， 所述 MS 1和 MS 2收到所述基站 发送的 ACK信息后， 不再重传 ml和 m2信息。
208、 所述基站接收所述中继节点根据所述网络编码控制信息对所述多路
移动终端发送的数据进行网络编码后的数据。
本发明实施例提供的基于网络编码的协作传输方法， 基站根据所述基站 是否正确接收多路移动终端发送的数据的判断结果以及中继节点上报的关于 所述中继节点是否正确接收所述多路移动终端发送的数据的判断结果， 确定 基于网络编码进行协作传输的移动终端。 与现有技术相比， 本发明实施例提 供的基于网络编码的协作传输方法， 将协作中继与网络编码有效结合起来， 通过中继节点对多路用户的数据进行网络编码后再进行协作转发， 从而提升 系统性能及系统吞吐量。
实施例三
本实施例提供一种基于网络编码的协作传输方法， 如图 4所示， 所述方法 包括：
401、 中继节点接收多路移动终端发送的数据；
402、 所述中继节点将所述多路移动终端发送的数据进行解调解码， 得到 多路经解调解码后的数据；
403、 所述中继节点判断是否正确接收所述多路移动终端发送的数据；
404、 所述中继节点将所述中继节点是否正确接收所述多路移动终端发送 的数据的判断结果上报给所述基站；
405、 所述中继节点接收所述基站发送的网络编码控制信息；
406、 所述中继节点根据所述网络编码控制信息， 将所述多路经解调解码 后的数据进行网络编码， 得到一路网络编码后的数据；
407、 所述中继节点将所述一路网络编码后的数据转发给基站。
本发明实施例提供的基于网络编码的协作传输方法， 中继节点接收到多 路移动终端发送的数据后进行解调解码， 判断是否正确接收所述多路移动终 端发送的数据， 并将所述中继节点是否正确接收所述多路移动终端发送的数 据的判断结果上报给基站， 在接收到所述基站发动的网络编码控制信息以后， 将所述多路经解调解码后的数据进行网络编码并转发给所述基站。 与现有技
术相比， 本发明实施例提供的基于网络编码的协作传输方法， 将协作中继与 网络编码有效结合起来， 通过中继节点对多路用户的数据进行网络编码后再 进行协作转发， 从而提升系统性能及系统吞吐量。
实施例四
本实施例提供一种基于网络编码的协作传输方法， 如图 5所示， 所述方法 包括：
501、 中继节点确定在所述中继节点覆盖范围内的移动终端列表； 具体地， 如图 6所示， 所述中继节点测量所述移动终端向所述基站传输的 探测信号的强度， 判断所述探测信号的强度是否大于预设的门限值， 其中， 所述移动终端根据所述探测相关参数信息在相应的时频资源上向所述基站传 输所述探测信号， 所述探测相关参数信息包括传输带宽、 配置周期和传输偏 置。
例 ¾口在 TDD ( Time Divi s ion Duplexing , 时分双工）模式下， 所述探测 相关参数信息的配置周期和传输偏置如下：
例如在上行带宽在 6 OM至 8 OM时， 所述探测相关参数信息的带宽配置如下:
如果所述探测信号的强度大于预设的门限值， 确定所述移动终端在所述 中继节点的覆盖范围内；
如果所述探测信号的强度不大于预设的门限值， 确定所述移动终端不在 所述中继节点的覆盖范围内。
502、 所述中继节点将在所述中继节点覆盖范围内的移动终端列表上报给 所述基站；
503、 所述中继节点接收多路移动终端发送的数据；
504、 所述中继节点将所述多路移动终端发送的数据进行解调解码， 得到 多路经解调解码后的数据；
505、 所述中继节点判断是否正确接收所述多路移动终端发送的数据；
506、 所述中继节点将所述中继节点是否正确接收所述多路移动终端发送 的数据的判断结果上报给所述基站， 并接收所述基站发送的网络编码控制信 息；
507、 如图 7所示， 所述中继节点根据所述网络编码控制信息， 将所述多 路经解调解码后的数据进行网络编码， 得到一路网络编码后的数据；
508、 所述中继节点对所述一路网络编码后的数据进行编码、 调制、 预 编码、 资源映射， 并生成单载波频分多址 SC-F丽 A信号；
509、 所述中继节点将所述一路经网络编码、 编码、 调制、 预编码、 资源 映射， 并生成单载波频分多址 SC-F丽 A信号的数据转发给基站。
本发明实施例提供的基于网络编码的协作传输方法， 中继节点将在所述
中继节点覆盖范围内的移动终端列表上报给所述基站， 接收到多路移动终端 发送的数据后进行解调解码， 判断是否正确接收所述多路移动终端发送的数 据， 并将所述中继节点是否正确接收所述多路移动终端发送的数据的判断结 果上报给基站， 在接收到所述基站发动的网络编码控制信息以后， 将所述多 路经解调解码后的数据进行网络编码并转发给所述基站。 与现有技术相比， 本发明实施例提供的基于网络编码的协作传输方法， 将协作中继与网络编码 有效结合起来， 通过中继节点对多路用户的数据进行网络编码后再进行协作 转发， 从而提升系统性能及系统吞吐量。
实施例五
本实施例提供一种基站， 如图 8所示， 所述基站包括：
第一接收模块 81 , 用于接收多路移动终端发送的数据；
第一判断模块 82 , 用于判断是否正确接收所述多路移动终端发送的数据； 所述第一接收模块 81， 还用于接收中继节点上报的关于所述中继节点是 否正确接收所述多路移动终端发送的数据的判断结果；
第一确定模块 83 , 用于根据所述基站是否正确接收所述多路移动终端发 送的数据的判断结果和所述中继节点上报的关于所述中继节点是否正确接收 所述多路移动终端发送的数据的判断结果， 确定基于网络编码进行协作传输 的移动终端；
发送模块 84 , 用于向所述中继节点发送网络编码控制信息；
所述第一接收模块 81， 还用于接收所述中继节点根据所述网络编码控制 信息对所述多路终端发送的数据进行网络编码后的数据。
进一步的， 所述发送模块 84 , 还用于向所述多路移动终端发送数据传输 控制信息；
所述第一接收模块 81 , 还用于接收所述多路移动终端根据所述数据传输 控制信息发送的数据。
其中， 所述数据传输控制信息至少包括所述多路移动终端发送数据所需
要的资源指配信息和传输格式信息。
进一步的， 所述发送模块 84 , 具体用于向所述中继节点发送资源块及跳 频资源指示， 调制编码方式及冗余版本， 新数据指示， 功率控制指示， 网络 编码指示， 釆用网络编码的用户 ID。
所述发送模块 84 , 还用于向所述基于网络编码进行协作传输的移动终端 发送正确接收数据的确认信息。
本发明实施例提供的基站， 通过确定模块根据所述基站是否正确接收多 路移动终端发送的数据的判断结果以及中继节点上报的关于所述中继节点是 否正确接收所述多路移动终端发送的数据的判断结果， 确定基于网络编码进 行协作传输的移动终端。 与现有技术相比， 本发明实施例提供的基站， 将协 作中继与网络编码有效结合起来， 通过中继节点对多路用户的数据进行网络 编码后再进行协作转发， 从而提升系统性能及系统吞吐量。
实施例六
本实施例提供一种中继节点， 如图 9所示， 所述中继节点包括： 第二接收模块 901 , 用于接收多路终端发送的数据；
解调解码模块 902 , 用于将所述多路移动终端发送的数据进行解调解码， 得到多路经解调解码后的数据；
第二判断模块 903 , 用于判断所述中继节点是否正确接收所述多路移动终 端发送的数据；
上报模块 904 , 用于将所述中继节点是否正确接收所述多路移动终端发送 的数据的判断结果上报给所述基站；
所述第二接收模块 901， 还用于接收所述基站发送的网络编码控制信息； 网络编码模块 905 , 用于根据所述网络编码控制信息， 将所述多路经解调 解码后的数据进行网络编码， 得到一路网络编码后的数据；
转发模块 906 , 用于将所述一路网络编码后的数据转发给基站。
进一步的， 如图 10所示， 所述中继节点还可以包括：
编码模块 907 , 用于对所述一路网络编码后的数据进行编码； 调制模块 908 , 用于对所述一路编码后的数据进行调制；
预编码模块 909 , 用于对所述一路调制后的数据釆用离散傅里叶变换 DFT 进行预编码；
资源映射模块 91 0 , 用于对所述一路预编码后的数据进行资源映射； 单载波频分多址 SC-F丽 A信号生成模块 91 1 , 用于对所述一路资源映射后 的数据生成单载波频分多址 SC-F丽 A信号。
进一步的， 所述中继节点还可以包括：
第二确定模块 912 , 用于确定在所述中继节点覆盖范围内的移动终端列 表；
所述上报模块 904 , 还用于将在所述中继节点覆盖范围内的移动终端列表 上报给所述基站。
进一步的， 所述第二确定模块 912包括：
测量单元 9121 , 用于测量所述移动终端向所述基站传输的探测信号的强 度；
判断单元 9122 , 用于判断所述探测信号的强度是否大于预设的门限值， 其中， 所述移动终端根据所述探测相关参数信息在相应的时频资源上向所述 基站传输所述探测信号， 所述探测相关参数信息包括传输带宽、 配置周期和 传输偏置；
第一确定单元 9123 , 用于当所述探测信号的强度大于预设的门限值时， 确定所述移动终端在所述中继节点的覆盖范围内；
第二确定单元 9124 , 用于当所述探测信号的强度不大于预设的门限值时， 确定所述移动终端不在所述中继节点的覆盖范围内。
本发明实施例提供的中继节点， 通过第二确定模块将在所述中继节点覆 盖范围内的移动终端列表上报给所述基站， 通过第二接收模块接收到多路移 动终端发送的数据后进行解调解码， 通过第二判断模块判断是否正确接收所
述多路移动终端发送的数据， 通过上报模块将所述中继节点是否正确接收所 述多路移动终端发送的数据的判断结果上报给基站， 在接收到所述基站发动 的网络编码控制信息以后， 通过转发模块将所述多路经解调解码后的数据进 行网络编码并转发给所述基站。 与现有技术相比， 本发明实施例提供的中继 节点， 将协作中继与网络编码有效结合起来， 通过中继节点对多路用户的数 据进行网络编码后再进行协作转发， 从而提升系统性能及系统吞吐量。
实施例七
本实施例提供一种基于网络编码的协作传输系统， 如图 11所示， 所述系 统包括基站、 中继节点和多路移动终端， 其中，
所述基站， 用于接收所述多路移动终端发送的数据后， 判断是否正确接 收所述多路移动终端发送的数据， 接收所述中继节点上报的关于所述中继节 点是否正确接收所述多路移动终端发送的数据的判断结果， 根据所述基站是 否正确接收所述多路移动终端发送的数据的判断结果和所述中继节点上报的 关于所述中继节点是否正确接收所述多路移动终端发送的数据的判断结果， 确定基于网络编码进行协作传输的移动终端， 向所述中继节点发送网络编码 控制信息， 接收所述中继节点根据所述网络编码控制信息对所述多路移动终 端发送的数据进行网络编码后的数据；
所述中继节点， 用于接收多路移动终端发送的数据， 将所述多路移动终 端发送的数据进行解调解码， 得到多路经解调解码后的数据， 判断是否正确 接收所述多路移动终端发送的数据， 将所述中继节点是否正确接收所述多路 移动终端发送的数据的判断结果上报给所述基站， 接收所述基站发送的网络 编码控制信息， 根据所述网络编码控制信息， 将所述多路经解调解码后的数 据进行网络编码， 得到一路网络编码后的数据， 将所述一路网络编码后的数 据转发给所述基站。
本发明实施例提供的基于网络编码的协作传输系统， 基站根据所述基站 是否正确接收多路移动终端发送的数据的判断结果以及中继节点上报的关于
所述中继节点是否正确接收所述多路移动终端发送的数据的判断结果， 确定 基于网络编码进行协作传输的移动终端。 与现有技术相比， 本发明实施例提 供的基于网络编码的协作传输系统， 将协作中继与网络编码有效结合起来， 通过中继节点对多路用户的数据进行网络编码后再进行协作转发， 从而提升 系统性能及系统吞吐量。
本发明实施例提供的基于网络编码的协作传输方法及系统、 基站及中继 节点， 可以实现上述提供的方法实施例， 具体功能实现请参见方法实施例中 的说明， 在此不再赘述。 本发明实施例提供的基于网络编码的协作传输方法、 基站及中继节点可以适用于 TDD模式， 但不仅限于此。
本领域普通技术人员可以理解实现上述实施例方法中的全部或部分流 程， 是可以通过计算机程序来指令相关的硬件来完成， 所述的程序可存储于 一计算机可读取存储介质中， 该程序在执行时， 可包括如上述各方法的实施 例的流程。其中，所述的存储介质可为磁碟、光盘、只读存储记忆体（ Read-Only Memory, ROM )或随机存^ "i己忆体 ( Random Access Memory, RAM )等。
以上所述， 仅为本发明的具体实施方式， 但本发明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发明揭露的技术范围内， 可轻易 想到的变化或替换， 都应涵盖在本发明的保护范围之内。 因此， 本发明的保 护范围应该以权利要求的保护范围为准。
Claims
1、 一种基于网络编码的协作传输方法， 其特征在于， 包括：
基站接收多路移动终端发送的数据后， 判断是否正确接收所述多路移动终 端发送的数据；
所述基站接收中继节点上报的关于所述中继节点是否正确接收所述多路移 动终端发送的数据的判断结果；
所述基站根据所述基站是否正确接收所述多路移动终端发送的数据的判断 结果和所述中继节点上报的关于所述中继节点是否正确接收所述多路移动终端 发送的数据的判断结果， 确定基于网络编码进行协作传输的移动终端；
所述基站向所述中继节点发送网络编码控制信息；
所述基站接收所述中继节点根据所述网络编码控制信息对所述多路移动终 端发送的数据进行网络编码后的数据。
2、 根据权利要求 1所述的方法， 其特征在于， 所述基站接收多路移动终端 发送的数据， 包括：
所述基站向所述多路移动终端发送数据传输控制信息；
所述基站接收所述多路移动终端根据所述数据传输控制信息发送的数据。
3、 根据权利要求 2所述的方法， 其特征在于， 所述数据传输控制信息至少 包括所述多路移动终端发送数据所需要的资源指配信息和传输格式信息。
4、 根据权利要求 1所述的方法， 其特征在于， 所述基站向所述中继节点发 送网络编码控制信息， 包括：
所述基站向所述中继节点发送资源块及跳频资源指示、 调制编码方式及冗 余版本、 新数据指示、 功率控制指示、 网络编码指示、 釆用网络编码的用户 ID。
5、 一种基于网络编码的协作传输方法， 其特征在于， 包括：
中继节点接收多路移动终端发送的数据；
所述中继节点将所述多路移动终端发送的数据进行解调解码， 得到多路经 解调解码后的数据； 所述中继节点判断是否正确接收所述多路移动终端发送的数据； 所述中继节点将所述中继节点是否正确接收所述多路移动终端发送的数据 的判断结果上报给所述基站；
所述中继节点接收所述基站发送的网络编码控制信息；
所述中继节点根据所述网络编码控制信息， 将所述多路经解调解码后的数 据进行网络编码， 得到一路网络编码后的数据；
所述中继节点将所述一路网络编码后的数据转发给基站。
6、 根据权利要求 5所述的基于网络编码的协作传输方法， 其特征在于， 在 所述中继节点将所述一路网络编码后的数据转发给基站之前， 还包括：
所述中继节点对所述一路网络编码后的数据进行编码、 调制、 釆用离散傅 里叶变换 DFT预编码、 资源映射， 并生成单载波频分多址 SC-F丽 A信号。
7、 根据权利要求 5所述的方法， 其特征在于， 在所述中继节点接收多路移 动终端发送的数据之前， 还包括：
所述中继节点确定在所述中继节点覆盖范围内的移动终端列表；
所述中继节点将在所述中继节点覆盖范围内的移动终端列表上报给所述基 站。
8、 根据权利要求 7所述的方法， 其特征在于， 所述中继节点确定在所述中 继节点覆盖范围内的移动终端列表， 包括：
所述中继节点测量所述移动终端向所述基站传输的探测信号的强度， 判断 所述探测信号的强度是否大于预设的门限值， 其中， 所述移动终端根据所述探 测相关参数信息在相应的时频资源上向所述基站传输所述探测信号， 所述探测 相关参数信息包括传输带宽、 配置周期和传输偏置；
如果所述探测信号的强度大于预设的门限值， 确定所述移动终端在所述中 继节点的覆盖范围内；
如果所述探测信号的强度不大于预设的门限值， 确定所述移动终端不在所 述中继节点的覆盖范围内。
9、 一种基站， 其特征在于， 包括：
第一接收模块， 用于接收多路移动终端发送的数据；
第一判断模块， 用于判断是否正确接收所述多路移动终端发送的数据； 所述第一接收模块， 还用于接收中继节点上报的关于所述中继节点是否正 确接收所述多路移动终端发送的数据的判断结果；
第一确定模块， 用于根据所述基站是否正确接收所述多路移动终端发送的 数据的判断结果和所述中继节点上报的关于所述中继节点是否正确接收所述多 路移动终端发送的数据的判断结果， 确定基于网络编码进行协作传输的移动终 端；
发送模块， 用于向所述中继节点发送网络编码控制信息；
所述第一接收模块， 还用于接收所述中继节点根据所述网络编码控制信息 对所述多路移动终端发送的数据进行网络编码后的数据。
10、 根据权利要求 9所述的基站， 其特征在于，
所述发送模块， 还用于向所述多路移动终端发送数据传输控制信息； 所述第一接收模块， 还用于接收所述多路移动终端根据所述数据传输控制 信息发送的数据。
11、 根据权利要求 10所述的基站， 其特征在于， 所述数据传输控制信息至 少包括所述多路移动终端发送数据所需要的资源指配信息和传输格式信息。
12、 根据权利要求 9所述的基站， 其特征在于， 所述发送模块， 具体用于向 所述中继节点发送资源块及跳频资源指示、 调制编码方式及冗余版本、 新数据 指示、 功率控制指示、 网络编码指示、 釆用网络编码的用户 ID。
13、 一种中继节点， 其特征在于， 包括：
第二接收模块， 用于接收多路移动终端发送的数据；
解调解码模块， 用于将所述多路移动终端发送的数据进行解调解码， 得到 多路经解调解码后的数据；
第二判断模块， 用于判断所述中继节点是否正确接收所述多路移动终端发 送的数据；
上报模块， 用于将所述中继节点是否正确接收所述多路移动终端发送的数 据的判断结果上报给所述基站；
所述第二接收模块， 还用于接收所述基站发送的网络编码控制信息； 网络编码模块， 用于根据所述网络编码控制信息， 将所述多路经解调解码 后的数据进行网络编码， 得到一路网络编码后的数据；
转发模块， 用于将所述一路网络编码后的数据转发给基站。
14、 根据权利要求 1 3所述的中继节点， 其特征在于， 还包括：
编码模块， 用于对所述一路网络编码后的数据进行编码；
调制模块， 用于对所述一路编码后的数据进行调制；
预编码模块， 用于对所述一路调制后的数据釆用离散傅里叶变换 DFT进行预 编码；
资源映射模块， 用于对所述一路预编码后的数据进行资源映射；
单载波频分多址 SC-F丽 A信号生成模块， 用于对所述一路资源映射后的数据 生成单载波频分多址 SC-F丽 A信号。
15、 根据权利要求 1 3所述的中继节点， 其特征在于， 还包括：
第二确定模块， 用于确定在所述中继节点覆盖范围内的移动终端列表； 所述上报模块， 还用于将在所述中继节点覆盖范围内的移动终端列表上报 给所述基站。
16、 根据权利要求 15所述的中继节点， 其特征在于， 所述第二确定模块包 括：
测量单元， 用于测量所述移动终端向所述基站传输的探测信号的强度； 判断单元， 用于判断所述探测信号的强度是否大于预设的门限值， 其中， 所述移动终端根据所述探测相关参数信息在相应的时频资源上向所述基站传输 所述探测信号， 所述探测相关参数信息包括传输带宽、 配置周期和传输偏置； 第一确定单元， 用于当所述探测信号的强度大于预设的门限值时， 确定所 述移动终端在所述中继节点的覆盖范围内；
第二确定单元， 用于当所述探测信号的强度不大于预设的门限值时， 确定 所述移动终端不在所述中继节点的覆盖范围内。
17、 一种基于网络编码的协作传输系统， 其特征在于， 包括基站、 中继节 点和多路移动终端， 其中，
所述基站， 用于接收所述多路移动终端发送的数据后， 判断是否正确接收 所述多路移动终端发送的数据， 接收所述中继节点上报的关于所述中继节点是 否正确接收所述多路移动终端发送的数据的判断结果， 根据所述基站是否正确 接收所述多路移动终端发送的数据的判断结果和所述中继节点上报的关于所述 中继节点是否正确接收所述多路移动终端发送的数据的判断结果， 确定基于网 络编码进行协作传输的移动终端， 向所述中继节点发送网络编码控制信息， 接 收所述中继节点根据所述网络编码控制信息对所述多路移动终端发送的数据进 行网络编码后的数据；
所述中继节点， 用于接收多路移动终端发送的数据， 将所述多路移动终端 发送的数据进行解调解码， 得到多路经解调解码后的数据， 判断是否正确接收 所述多路移动终端发送的数据， 将所述中继节点是否正确接收所述多路移动终 端发送的数据的判断结果上报给所述基站， 接收所述基站发送的网络编码控制 信息， 根据所述网络编码控制信息， 将所述多路经解调解码后的数据进行网络 编码， 得到一路网络编码后的数据， 将所述一路网络编码后的数据转发给所述 基站。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201180000904.9A CN102972061B (zh) | 2011-06-27 | 2011-06-27 | 基于网络编码的协作传输方法及系统、基站及中继节点 |
| PCT/CN2011/076437 WO2012159300A1 (zh) | 2011-06-27 | 2011-06-27 | 基于网络编码的协作传输方法及系统、基站及中继节点 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2011/076437 WO2012159300A1 (zh) | 2011-06-27 | 2011-06-27 | 基于网络编码的协作传输方法及系统、基站及中继节点 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2012159300A1 true WO2012159300A1 (zh) | 2012-11-29 |
Family
ID=47216546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2011/076437 WO2012159300A1 (zh) | 2011-06-27 | 2011-06-27 | 基于网络编码的协作传输方法及系统、基站及中继节点 |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102972061B (zh) |
| WO (1) | WO2012159300A1 (zh) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103338091A (zh) * | 2013-06-07 | 2013-10-02 | 天津大学 | 一种基于分布式非二进制ldpc码的协作传输方法 |
| CN106301673A (zh) * | 2015-05-21 | 2017-01-04 | 中兴通讯股份有限公司 | 一种基于协作网络编码场景的传输方法及系统 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102724021B (zh) * | 2012-06-21 | 2015-04-15 | 天津大学 | 基于分布式交织与分组编码的协作传输方法 |
| US9713124B2 (en) | 2013-07-12 | 2017-07-18 | Lg Electronics Inc. | Method and apparatus for transmitting signal in wireless communication system |
| CN115134047B (zh) * | 2021-03-29 | 2024-09-13 | 维沃移动通信有限公司 | 传输方法、装置、设备及可读存储介质 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101170351A (zh) * | 2006-10-23 | 2008-04-30 | 株式会社Ntt都科摩 | 一种数据传输方法 |
| CN101325549A (zh) * | 2008-06-06 | 2008-12-17 | 北京邮电大学 | 在无线中继网络中采用网络编码通信的方法 |
| CN101562507A (zh) * | 2008-04-14 | 2009-10-21 | 中兴通讯股份有限公司 | 数据传输方法 |
| CN101697510A (zh) * | 2009-11-05 | 2010-04-21 | 华为技术有限公司 | 上行数据传输的方法和装置 |
| CN101835172A (zh) * | 2010-05-06 | 2010-09-15 | 北京邮电大学 | 基于网络编码技术对多用户进行分组协作通信的方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101453800B (zh) * | 2007-11-30 | 2012-08-08 | 株式会社Ntt都科摩 | 多跳接力系统中的双向数据传输处理方法及通信中间装置 |
| US8929329B2 (en) * | 2007-12-19 | 2015-01-06 | Verizon Patent And Licensing Inc. | System and method for dual-mode handoff |
| CN101631007B (zh) * | 2008-07-14 | 2013-06-05 | 电信科学技术研究院 | 一种数据传输方法、装置和系统 |
-
2011
- 2011-06-27 CN CN201180000904.9A patent/CN102972061B/zh active Active
- 2011-06-27 WO PCT/CN2011/076437 patent/WO2012159300A1/zh active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101170351A (zh) * | 2006-10-23 | 2008-04-30 | 株式会社Ntt都科摩 | 一种数据传输方法 |
| CN101562507A (zh) * | 2008-04-14 | 2009-10-21 | 中兴通讯股份有限公司 | 数据传输方法 |
| CN101325549A (zh) * | 2008-06-06 | 2008-12-17 | 北京邮电大学 | 在无线中继网络中采用网络编码通信的方法 |
| CN101697510A (zh) * | 2009-11-05 | 2010-04-21 | 华为技术有限公司 | 上行数据传输的方法和装置 |
| CN101835172A (zh) * | 2010-05-06 | 2010-09-15 | 北京邮电大学 | 基于网络编码技术对多用户进行分组协作通信的方法 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103338091A (zh) * | 2013-06-07 | 2013-10-02 | 天津大学 | 一种基于分布式非二进制ldpc码的协作传输方法 |
| CN106301673A (zh) * | 2015-05-21 | 2017-01-04 | 中兴通讯股份有限公司 | 一种基于协作网络编码场景的传输方法及系统 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102972061A (zh) | 2013-03-13 |
| CN102972061B (zh) | 2016-03-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101999094B1 (ko) | 무선 통신 시스템에서 단말 대 단말 통신 방법 | |
| KR20210138570A (ko) | 무선 통신 시스템의 v2x 통신에서 harq 동작 및 전력 제어를 위한 방법 및 장치 | |
| CN102045135B (zh) | 无线通信装置和无线通信方法 | |
| CN103503501B (zh) | 无线网络中的通信方法、中继节点和接入节点 | |
| US8989033B2 (en) | Downlink MCS selection in a type 2 relay network | |
| US10616381B2 (en) | Method and apparatus for performing hybrid automatic repeat request in wireless communication system | |
| US11153040B2 (en) | System and method for dual-coding transmissions for relays | |
| JP2009177628A (ja) | リレー伝送システム、基地局、中継局及び方法 | |
| EP2929634B1 (en) | Method and apparatus for selectively transmitting data using spatial diversity | |
| KR20110119586A (ko) | 중계 노드 기반 무선 통신 시스템에서의 전송 방법 | |
| KR20080069753A (ko) | 다중안테나 시스템에서 협력전송을 위한 중계 장치 및 방법 | |
| JP6736046B2 (ja) | デュアルコーディングによるロバストなリレー再送 | |
| JP2012524482A (ja) | 無線リレーの方法およびデバイス | |
| WO2012159300A1 (zh) | 基于网络编码的协作传输方法及系统、基站及中继节点 | |
| JP2014204343A (ja) | 基地局及び通信制御方法 | |
| JP2008289114A (ja) | 移動通信システム、基地局装置、ユーザ装置及び方法 | |
| US20240080089A1 (en) | System and method for dual-control signaling for the relay scenarios | |
| EP2790345A1 (en) | Retransmission method and apparatus | |
| US11233586B2 (en) | Providing user equipment feedback via signal forwarding device | |
| EP4005129B1 (en) | Method and apparatus for improving harq in a non-terrestrial network | |
| WO2012130005A1 (zh) | Tdd系统中回程链路上行反馈信息的处理方法与系统 | |
| JP2020072318A (ja) | 無線通信装置、無線通信システム、無線通信方法及びプログラム | |
| US20230217462A1 (en) | Method and apparatus for inter-ue co-ordination signaling | |
| Moualeu et al. | Power assignment in multi-relay adaptive DF cooperative networks |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WWE | Wipo information: entry into national phase |
Ref document number: 201180000904.9 Country of ref document: CN |
|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 11866147 Country of ref document: EP Kind code of ref document: A1 |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 11866147 Country of ref document: EP Kind code of ref document: A1 |