MC DS/SFH-CDMA systems for overlay systems

Wang, Jiangzhou and Huang, Hu (2002) MC DS/SFH-CDMA systems for overlay systems. IEEE Transactions on Wireless Communications, 1 (3). pp. 448-455. ISSN ISSN: 1536-1276. (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

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We introduce the slow frequency hopping (SFH) technique to the multicarrier (MC) code-division multiple-access (CDMA) systems for overlay situations. Using lower chip rate, which results in a narrower spectrum for each carrier and hopping the signal in frequency, the MC direct sequence (DS)/SFH system achieves better performance than the MC DS CDMA system in most cases, especially when the bandwidth of the narrowband interference (NBI) is narrower than one subchannel. It also exhibits a stable performance against the variations of the NBI location and bandwidth. When there is no NBI, the two systems perform approximately the same. The evaluation is performed over a frequency selective Rayleigh fading channel, with both Gaussian approximation and Monte Carlo simulation

Item Type: Article
Uncontrolled keywords: code-division multiple-access; multicarrier systems; frequency hopping; narrowband interference suppression
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK5101 Telecommunications
Divisions: Faculties > Science Technology and Medical Studies > School of Engineering and Digital Arts > Broadband & Wireless Communications
Depositing User: Yiqing Liang
Date Deposited: 18 Sep 2008 09:51
Last Modified: 11 Jun 2014 09:16
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