Implementation of Multi-Channel Modem for DSRC System on Signal Processing Platform for Software Defined Radio

Akihisa YOKOYAMA, Hiroshi HARADA

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Summary :

We previously proposed an architecture for software defined radio called the reconfigurable packet routing-oriented signal processing platform (RPPP). This architecture was suited to wireless signal processing applications, which require radio functions to be selected in real time depending on the transmitted signal. A number of radio standards are used in DSRC systems for vehicle communication and vehicle equipment is required to transmit and receive the radio signals used on each particular occasion. An implementation of RPPP is described in this paper that enables the dynamic handling of two ARIB standards for DSRC. After an explanation of the basic architecture and an analysis of RPPP, the implementation of a reconfigurable DSRC transceiver for ASK and π/4 shift-QPSK is described. The implementation is then discussed, evaluated in terms of the number of logic units needed. We concluded that our platform is 27.6% more efficient in utilizing logic than that achieved with fixed design.

Publication
IEICE TRANSACTIONS on Communications Vol.E89-B No.12 pp.3225-3232
Publication Date
2006/12/01
Publicized
Online ISSN
1745-1345
DOI
10.1093/ietcom/e89-b.12.3225
Type of Manuscript
Special Section PAPER (Special Section on Software Defined Radio Technology and Its Applications)
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