宽带无线网中的带宽分配方案及QoS分析

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A bandwidth allocation scheme and QoS analysis for broadband wireless networks

GUO Juan(1);LI Ming-yuan(2)

(1) Dept. of Communication Engineering, Xi’an School of Post and Communication, Xi’an 710061， China
(2) School of Electionic and Infomation Engineering, Xi’an Jiaotong Univ., Xi’an 710049， China

Received:1900-01-01 Revised:1900-01-01 Online:2006-04-20 Published:2006-04-20

Abstract

Abstract: A bandwidth allocation scheme for the broadband wireless network is presented. For the realtime services such as audio and video services, the required channels are allocated in every frame; for the handoff realtime calls, guard channels are reserved in every frame. Nonrealtime services, such as data services, use the remaining channels in each frame. In a multimedia wireless network based on TDMA/TDD, the performance of this scheme is analyzed and evaluated. Results show that the scheme can satisfy constrains on the blocking probability of the realtime new calls, the forced termination probability of realtime handoff calls, and the packet delay of data services.

Key words: broadband wireless network, handoff, QoS, bandwidth allocation

CLC Number:

TN92

GUO Juan(1);LI Ming-yuan(2).

A bandwidth allocation scheme and QoS analysis for broadband wireless networks

[J].J4, 2006, 33(2): 333-336.

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A bandwidth allocation scheme and QoS analysis for broadband wireless networks

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