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Multi-net cooperative transmission resource distribution system in heterogeneous wireless environment and method

A wireless environment and resource allocation technology, applied in the direction of network traffic/resource management, wireless communication, electrical components, etc., to achieve load balancing and optimize system performance

Inactive Publication Date: 2010-09-08
BEIJING UNIV OF POSTS & TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, if the terminal maintains connections with multiple different networks at the same time to transmit data, multiple sets of transceivers operating in different frequency bands and with different powers will be required. is a great challenge

Method used

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  • Multi-net cooperative transmission resource distribution system in heterogeneous wireless environment and method
  • Multi-net cooperative transmission resource distribution system in heterogeneous wireless environment and method
  • Multi-net cooperative transmission resource distribution system in heterogeneous wireless environment and method

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Embodiment

[0044] Figure 4 It shows an explanatory diagram of the cooperation between the wireless wide area network and the wireless personal area network, service distribution and terminal subsystem in the heterogeneous wireless environment in this embodiment. In this heterogeneous wireless environment, there are four different radio access networks, which are respectively recorded as radio access network 1 (abbreviated as RAN1), radio access network 2 (abbreviated as RAN 2), radio access network 3 (abbreviated as RAN 3 ) and radio access network 4 (abbreviated as RAN 4 ). Among them, RAN 1, RAN 2 and RAN 3 are wireless wide area networks, and RAN 4 is a wireless personal area network. The terminal devices working in three different wireless wide area networks are terminal 1 (abbreviated as MT 1), terminal 2 (abbreviated as MT 2) and terminal 3 (abbreviated as MT 3), among which MT 1 is the main device Terminal, other equipment terminals are connected to MT 1 through the wireless pe...

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Abstract

The invention relates to a multi-net cooperative transmission resource distribution system in heterogeneous wireless environment and a method. The network side of the system comprises a service flow division unit and a service control unit, wherein the service flow division unit divides one service into a plurality of service sub flows according to the network carrying capability and the constriction conditions between different networks, the service control unit is used for processing a plurality of service sub flows and transmit the service sub flows to the terminal side through different wireless access networks. The terminal side comprises a consulting unit which identifies the service sub flows received by the equipment terminal and transfers the service sub flows to corresponding destination equipment terminals. The system and the method of the invention fully utilize the transmission capability of each wireless access network in the heterogeneous wireless environment, and divide the service into a plurality of sub flows to be transmitted on different networks, so single-mode terminals only supporting one network can support various kinds of services, resources of different networks can be fully utilized, and the load balance between different networks can be realized. Thereby, the system performances are optimized.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a resource allocation system and method for multi-network cooperative transmission in a heterogeneous wireless environment. Background technique [0002] The future wireless communication system will include a variety of wireless access networks, including cellular communication systems, 802.16x WIMAX and other wireless wide area networks, 802.11x WLAN wireless local area networks, and wireless personal area networks such as Bluetooth and Zigbee. Therefore, heterogeneity and cooperation will be important features of future wireless communication systems. However, how to make use of the heterogeneity of the network to make systems with different transmission capabilities cooperate with each other to serve users together has become a hot spot in the current heterogeneous network research. [0003] Currently, single-mode terminals widely used in a single netw...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W28/06H04W28/08H04W28/18
Inventor 田辉孙雷张平胡铮沈东明
Owner BEIJING UNIV OF POSTS & TELECOMM
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