A method and device of controlling the data packet transmission in wireless relay network

A wireless relay network and control device technology, applied in the direction of digital transmission system, transmission system, network topology, etc., can solve the problems of difficult maintenance of topology structure, limitation of network scale flexibility, etc., and achieve topological and network scale flexibility Improvement and function simplification

Active Publication Date: 2012-11-07
ALCATEL LUCENT SHANGHAI BELL CO LTD
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Problems solved by technology

Since the relay station needs to establish a connection to send each service flow to the next-hop network device, as the service type of the data packet received from the previous-hop network device increases, the entire multi-hop wireless relay network will Adding many connections, therefore, makes the topology of the entire system difficult to maintain and the flexibility of the entire network scale will be greatly limited

Method used

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  • A method and device of controlling the data packet transmission in wireless relay network
  • A method and device of controlling the data packet transmission in wireless relay network
  • A method and device of controlling the data packet transmission in wireless relay network

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Embodiment Construction

[0017] The present invention is described in detail below with reference to accompanying drawing:

[0018] figure 1 A schematic diagram of logical division of a relay station according to the prior art is shown.

[0019] Such as figure 1 As shown, the relay stations of the wireless relay network can be logically divided into two parts: core relay stations and access relay stations.

[0020] The core relay station is used to communicate with the core relay stations of other relay stations in the wireless relay station network, and the access relay station is used to access the mobile terminal and provide services for it. specifically, figure 1 The relay link shown in is used to communicate with the core relay station in the previous hop relay station and the core relay station in the next hop relay station respectively, and the access link is used to provide services for the accessed mobile terminals.

[0021] figure 2 A schematic network diagram of data packet transmissi...

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Abstract

A method and device of controlling the data packet transmission in a wireless relay network are provided, wherein the network apparatus receives the input data packets from the next hop network apparatus, and determines the output QoS information of the input data packets; in one data packet transmission procedure, the network apparatus using the distributed network resources, basing on the priority of the QoS information included in plural input data packets from the former hop network apparatus, sends parts of or all of the input data packets form the former hop network apparatus to the next hop network apparatus.

Description

technical field [0001] The invention relates to a wireless relay network, in particular to network equipment in the wireless relay network. Background technique [0002] In recent years, in wireless communication networks, multi-hop networks are in a booming stage. In a multi-hop network, the source device does not need to communicate directly with the destination device, and user data can be relayed through the relay station during the transmission process from the source device to the destination device. Specifically, after receiving the data packet from the last-hop network device, the relay station performs corresponding processing on the data packet and forwards the data packet to the next-hop network device until the data packet finally reaches the destination device. Compared with the traditional single-hop network, the multi-hop relay network has great advantages in terms of flexibility and reliability, and the multi-hop relay network can expand the coverage of the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/56
CPCH04W84/22H04W28/18
Inventor 王栋耀刘继民沈钢
Owner ALCATEL LUCENT SHANGHAI BELL CO LTD
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