Partial Capture Effect for Multi-Carrier Radio Packet Communication Network

Hiroyuki ATARASHI  Masao NAKAGAWA  

Publication
IEICE TRANSACTIONS on Communications   Vol.E80-B   No.2   pp.372-378
Publication Date: 1997/02/25
Online ISSN: 
DOI: 
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Radio Communication
Keyword: 
multi carrier modulation,  partial capture effect,  throughput,  average number of transmissions,  

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Summary: 
Partial capture effect for multi-carrier radio packet communication network is evaluated in frequency selective fading channel. In multi-carrier modulation (MCM) network where each terminal uses several sub-carriers for transmission,the terminals have different instantaneous frequency responses because of its location, fading pattern, and other various factors. This generates the difference of received power in frequency domain, then partial capture effect can be considered at each sub-carrier. Moreover these partially captured packets are not damaged by inter symbol interference (ISI) caused by frequency selective fading, which seriously degrades single-carrier modulation (SCM) network. From this point of view we present the partial capture effect for the MCM network in the frequency selective fading environment. The results show that the MCM network with partial capture has more advantages than the MCM network without partial capture in terms of the throughput and the average number of transmissions.