Intra-Vehicle Wireless 1394 System

Kazuya TAKAHASHI  Tomoyuki UDAGAWA  Honggang ZHANG  Takemi ARITA  Masao NAKAGAWA  

Publication
IEICE TRANSACTIONS on Communications   Vol.E85-B   No.5   pp.938-945
Publication Date: 2002/05/01
Online ISSN: 
DOI: 
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Wireless Communications Issue)
Category: 
Keyword: 
intra-vehicle wireless LAN,  Wireless 1394,  interference,  

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Summary: 
We investigated the use of the Wireless 1394 standard in an intra-vehicle environment. Wireless 1394 services are expected to be used both in homes and in vehicles, however the installation of twisted wire pairs in a car is difficult. In a vehicular environment, there is a problem of interference from nearby vehicles using the same frequency. In this paper, we examined the above problem of interference for vehicles using Wireless 1394 equipments, and measured the propagation characteristics between a transmitter in one vehicle and a receiver in another vehicle. We developed a mitigation method, based on the use of directional antennas as a solution to the problem of interference.