激光技术2012，Vol.36Issue(1)：67-76,10.DOI:10.3969/j.issn.1001-3806.2012.01.018
无线激光通信类脉冲位置调制性能比较
Performance comparison of various pulse position modulation in wireless laser communication
摘要
Abstract
In order to compare the performance of various types of pulse position modulation, the coding structure, average transmitted power, bandwidth requirements, transmission rate, power spectral density and channel capacity were compared. Their characteristics and application fields were analyzed. The results show that, on off keying is easy to implement, but power utilization ratio is too low; pulse position modulation improves power utilization ratio but bandwidth availability ratio is low and it need symbol synchronization; digital pulse interval modulation shortens the length of the symbols, it has high bandwidth availability ratio and does not need symbol synchronization, but it is too complex; dual header pulse interval modulation improves the bandwidth efficiency and transmission capacity and do not need symbol synchronization, greatly simplify the complexity of the system implementation.关键词
光通信/无线激光通信/类脉冲位置调制/脉冲位置调制/差分脉冲位置调制/多脉冲位置调制Key words
optical communication/ optical wireless communication/ class of pulse position modulation/ pulse position modulation/ differential pulse position modulation/ multipulse position modulation分类
信息技术与安全科学引用本文复制引用
柯熙政,陈锦妮..无线激光通信类脉冲位置调制性能比较[J].激光技术,2012,36(1):67-76,10.基金项目
国家自然科学基金资助项目(60977054) （60977054）
