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Multitone-Hopping CDMA Using Feedback-Controlled Hopping Pattern for Decentralized Multiple Access
Kazuki CHIBA Masanori HAMAMURA
Publication
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Vol.E91-A
No.12
pp.3723-3730 Publication Date: 2008/12/01 Online ISSN: 1745-1337
DOI: 10.1093/ietfec/e91-a.12.3723 Print ISSN: 0916-8508 Type of Manuscript: Special Section PAPER (Special Section on Signal Design and its Applications in Communications) Category: Spread Spectrum Communications Keyword: CDMA, decentralized, asynchronous, multipath, feedback, multitone,
Full Text: PDF>>
Summary:
We propose multitone-hopping code-division multiple access (MH-CDMA) using a feedback-controlled hopping pattern (FCHP) (FCHP/MH-CDMA). In the FCHP/MH-CDMA, part of the filter coefficients of an adaptive finite-duration impulse response (FIR) filter receiver are fed back to a transmitter, in which they are used as an updated hopping pattern. Each chip of the updated hopping pattern consists of plural tones. As a result, it is shown that the FCHP/MH-CDMA provides us with an excellent asynchronous, decentralized multiple-access performance over time-invariant multipath channels.
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