Method for resource allocation in a wireless communication network, method for error-free transmission of information, node and wireless communication network

A wireless communication network and resource technology, applied in the field of adaptive resource allocation, can solve the problem of not considering resources, and achieve the effects of saving physical resources, high transmission power, and avoiding waste of resources

Inactive Publication Date: 2012-07-04
NTT DOCOMO INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Resources required for retransmissions are not considered

Method used

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  • Method for resource allocation in a wireless communication network, method for error-free transmission of information, node and wireless communication network
  • Method for resource allocation in a wireless communication network, method for error-free transmission of information, node and wireless communication network
  • Method for resource allocation in a wireless communication network, method for error-free transmission of information, node and wireless communication network

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Embodiment Construction

[0049] will now be in figure 2 Embodiments of the present invention are described on the basis of the wireless communication system shown in .

[0050] figure 2 A system model showing a three-terminal system. The system comprises: a source 100 , such as a user equipment UE; a destination 102 , such as a base station eNB; and a relay station or relay node (RN) 104 . At source 100, as shown in block 100', a signal d (e.g., a codeword or packet) to be transmitted to destination 102 is encoded by channel encoder C and modulated by modulator A to output source signal x S . Such as figure 2 As schematically shown in , a first channel 106 exists between a source 100 and a destination 102 such that the transmitted source signal y is received at the destination 102 SD . The wireless communication system also includes a second channel (first hop) 108 between the source 100 and the relay station 104 . Via channel 108, relay station 104 receives signal y SR , signal y SR is the s...

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Abstract

An approach for resource allocation in a wireless communication network including a sender (100), a relay station (104) and a receiver (102) in case of a retransmission of information from the relay station (104) to the receiver (102) is described, wherein a resource necessary for retransmission is determined on the basis of the relayed channel and the relay function.

Description

technical field [0001] Embodiments of the present invention relate to the field of wireless communication networks, and more particularly, to wireless communication networks comprising a transmitter, a relay station and a receiver, wherein the relay station is provided for forwarding information transmitted from the transmitter to the receiver. More specifically, embodiments of the present invention relate to a method for resource allocation in a wireless communication network in case of retransmission of information from a relay station to a receiver, for example using a relay station or a relay station and according to the HARQ protocol ( Adaptive resource allocation in HARQ = Hybrid Automatic Repeat Request) operating systems. Background technique [0002] In a conventional wireless communication network (eg, a cellular system), a repeater station or relay station is used to support communication between a transmitter (source) and a receiver (destination) of the cellular ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W28/04H04W72/04
CPCH04L1/1825H04L1/1819H04L1/0025H04L2001/0097H04L1/0026
Inventor P·维特卡姆普尔田冈秀一
Owner NTT DOCOMO INC
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