Wireless ZigBee Transceiver for Smart Meter Reading System

被引：0
|
作者：
Cai Yuehong [1 ]
Xiao Yong [2 ]
Yan Xiao [1 ]
Qin Kaiyu [1 ]
机构：
[1] Univ Elect Sci & Technol China, Inst Aeronaut & Astronaut, Chengdu 611731, Peoples R China
[2] Guangdong Power Grid Corp, Elect Power Res Inst, Guangzhou 510080, Guangdong, Peoples R China
来源：
2012 POWER ENGINEERING AND AUTOMATION CONFERENCE (PEAM) | 2012年
关键词：
spectrum spreading chip sequences; ZigBee; DSSS; OQPSK;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Long spectrum spreading chip sequences are proposed in this paper to reduce ZigBee system bit error rate (BER) and improve anti-noise performance of the system. The direct sequence spread spectrum (DSSS) and offset quadrature phase shift keying (OQPSK) modulation wireless transceiver system in compliance with ZigBee regulation and its anti-noise performance in the additive white Gauss noise (AWGN) channel and Rayleigh channel have been studied. Experiments show that 32 yards long spread spectrum communication system BER can be reduced to 1/23 compared with 16 yards long spread spectrum communication system when signal-to-noise ratio (SNR) is 6dB. In other words, the performance withstanding noise could be enhanced using long spectrum spreading chip sequences.
引用
收藏
页码：347 / 352
页数：6
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