A Multiuser Receiver for CDMA Systems with Parity Bit Selected Spreading Sequences

被引：0
|
作者：
Mirzaee, Alireza [1 ]
D'Amours, Claude [1 ]
机构：
[1] Univ Ottawa, Sch Informat Technol & Engn, Ottawa, ON, Canada
来源：
2010 IEEE 72ND VEHICULAR TECHNOLOGY CONFERENCE FALL | 2010年
关键词：
Multiuser detection; CDMA; parallel interference cancellation; CHANNELS; SPECTRUM;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper we propose a multiuser receiver using multistage detection and interference cancellation for direct-sequence code-division multiple-access (DS/CDMA) systems with parity bit selected spreading sequences in synchronous channels. In a CDMA system with parity bit selected spreading sequences (CDMA/PB), the spreading code used by each user depends on the transmitted data bits and it is selected from a set of mutually orthogonal spreading waveforms allocated to each user. Multistage parallel interference cancellation (PIC) detector is used to estimate and subtract out all multiple-access interference (MAI) for each user in parallel. The performance of the proposed system is compared with the conventional uncoded CDMA systems.
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页数：4
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