Method and device for cooperative relay with multiple relay stations in wireless telecommunication network
AssigneeAlcatel Lucent
InventorsWei Ni, Gang Shen, Shan Jin
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Abstract
The invention provides a method and device for cooperative relay with multiple relay stations in the wireless telecommunication network. To be specific, according to the invention, in single-hop or multi-hop relay telecommunication link, the relay device and other relay devices within the same hop select space diversity or space multiplexing to carry out cooperative relay operation according to the processing indicating information from the base station, thus obtaining space diversity gain and space multiplexing gain.
Claims16
In a wireless telecommunication network, a method for performing a cooperative relay with multiple relay devices, said method comprising the following steps:
- receiving signals at a receiving node from at least one fore level network node sending the signals to the receiving node, said at least one fore level network node being one of a plurality of types, said plurality of types including a mobile terminal, a base station and at least one relay device;
- according to processing indicating information received at the receiving node from a base station, applying specific encoding and decoding methods to process said received signals, wherein the processing indicating information includes at least one of information from which the particular type of the fore level network node is determinable and information from which is determinable a first encoding method, if any, employed by the at least one fore level network node;
- and
- sending said processed signals to at least one next level network node.
A relay device in a wireless telecommunication network, for performing a cooperative relay with at least one other relay device, comprising:
- a receiver that receives signals from at least one fore level network node sending the signals to the receiver, said at least one fore level network node being one of a plurality of types, said plurality of types including a mobile terminal, a base station and at least one other relay device;
- a signal processor that, according to processing indicating information received at the receiving node from a base station, applies specific encoding and decoding methods to process said received signals, wherein the processing indicating information includes at least one of information from which the particular type of the fore level network node is determinable and information from which is determinable a first encoding method, if any, employed by the at least one fore level network node;
- and
- a transmitter that sends said processed signals to at least one next level network node.
A relay device in a wireless telecommunication network, for performing a cooperative relay with at least one other relay device, comprising:
- a receiver that receives signals from at least one fore level network node;
- a signal processor that, according to processing indicating information from a base station, applies specific encoding and/or decoding methods to process said received signals;
- and
- a transmitter that sends said processed signals to at least one next level network node;
- wherein said signal processor includes an encoder that is further used, when said at least one fore level network node is a mobile station or a base station, to encode the received signals with a specific second encoding method corresponding to said relay device, so as to generate an encoded signal sequence.
In a wireless network, a method for implementing cooperative relay with multiple relay stations, comprising the following steps:
- receiving signals from at least one fore level network node based on virtual multiple-input multiple-output, said at least one fore level network node being one of a plurality of types, said plurality of types including a mobile terminal, a base station and at least one relay device;
- according to processing indicating information received at the receiving node from a base station, applying a specific channel processing operating method to carry out a channel processing operation on said received signals, so as to generate a signal sequence after channel processing operation, wherein the processing indicating information includes at least one of information from which the particular type of the fore level network node is determinable and information from which is determinable a first forward channel processing operating method, if any, employed by the at least one fore level network node;
- and
- sending said signal sequence after channel processing operation to at least one next level network node.
A relay device in a wireless network, for implementing cooperative relay with multiple relay devices, comprising:
- a receiver that receives signals from at least one fore level network node based on virtual multiple-input multiple-output, said at least one fore level network node being one of a plurality of types, said plurality of types including a mobile terminal, a base station and at least one other relay device;
- a signal processor that applies a specific channel processing operating method to carry out a channel processing operation on said received signal, so as to generate signals after channel processing operation, wherein the processing indicating information received at the receiver includes at least one of information from which the particular type of the fore level network node is determinable and information from which is determinable a first forward channel processing operating method, if any, employed by the at least one fore level network node;
- and
- a transmitter that sends said signals after channel processing operation to at least one next level network node.
A relay device in a wireless network, for implementing cooperative relay with multiple relay devices based on virtual multiple-input multiple-output, comprising:
- a receiver that receives signals from at least one fore level network node;
- a signal processor that applies a specific channel processing operating method to carry out a channel processing operation on said received signal, so as to generate signals after channel processing operation;
- and
- a transmitter that sends said signals after channel processing operation to at least one next level network node;
- wherein said signal processor includes a forward channel processing operating part, said forward channel processing operating part being further used, when said fore level network node is a mobile station or a base station, such that a second forward channel processing operating method is used to perform a forward channel processing operation on said received signal, so as to generate the signal sequence after performed forward channel processing operation.
Dependencies are inferred from the claim text.