A wireless transmission mechanism of the wireless CBTC system and performance analysis
Zhangyou Peng, Gangan Li, Haibing Wang, Qiong Wu · 2008
In this paper, We improve the transmission mechanism of the WLAN (wireless local area network), so that it will be suited to the wireless CBTC (communication based train control). Considering the characteristic of the wireless CBTC, the author brings forward a new frequency allocation proposal, which is combined all of sub-channels into an operating channel. The advantage of this improvement is that the bit error rate will be greatly reduced. Besides a new spread spectrum sequence is introduced, which improves the anti-jamming of the CBTC system. These improved methods can be introduced in the future work to further improve the reliability of the system.