A review on synchronous CDMA systems: optimum overloaded codes, channel capacity, and power control

被引：7
|
作者：
Hosseini, Seyed Amirhossein [1 ]
Javidbakht, Omid
Pad, Pedram
Marvasti, Farrokh
机构：
[1] Sharif Univ Technol, ACRI, Tehran, Iran
来源：
EURASIP JOURNAL ON WIRELESS COMMUNICATIONS AND NETWORKING | 2011年
关键词：
Code Division Multiple Access (CDMA); Optimum codes; channel capacity bounds; near-far effects; power control; MULTIUSER DETECTION; SEQUENCE MULTISETS; SUM CAPACITY; SETS; BOUNDS; WIRELESS; NETWORKS; SIGNALS; DESIGN; REGION;
D O I：
10.1186/1687-1499-2011-62
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：
This paper is a tutorial review on important issues related to code-division multiple-access (CDMA) systems such as channel capacity, power control, and optimum codes; specifically, we consider optimum overloaded codes that achieve errorless transmission in the absence of noise for the binary and nonbinary cases. A survey of lower and upper bounds for the sum channel capacity of such systems is given in the presence and absence of channel noise. The asymptotic results for the channel capacity are also investigated. The channel capacity, errorless transmission codes, and power estimation for near-far effects are also explored. The emphasis of this tutorial review is on the overloaded CDMA systems.
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页数：22
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