A CPCH access method for prioritized services in W-CDMA

被引：5
|
作者：
Choi, MY [1 ]
Yao, YD
Heffes, H
机构：
[1] Samsung Elect Co, Digital Media R&D Ctr, Connect Lab, Gyeonggi Do 442742, South Korea
[2] Stevens Inst Technol, Dept Elect & Comp Engn, WISELAB, Hoboken, NJ 07030 USA
来源：
IEEE COMMUNICATIONS LETTERS | 2004年 / 8卷 / 01期
关键词：
access control; channel assignment; common packet channel (CPCH); wideband code-division multiple-access (W-CDMA);
D O I：
10.1109/LCOMM.2003.822498
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
Common packet channel (CPCH) access is an efficient approach to support packet data transmissions in a wideband code-division multiple-access (W-CDMA) system. This letter introduces a simple access control method for CPCH, which results in higher throughput. This method also provides prioritized services for different traffic classes. Each traffic class is assigned a distinct transmit permission probability that is determined at the new call initiation stage based on the status of CPCH channel occupancy. The differentiated service qualities, which correspond to different transmit permission probabilities, are evaluated in terms of packet blocking rates. The overall system performance is. also evaluated in terms of normalized throughput.
引用
收藏
页码：9 / 11
页数：3
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