一种用于HAPS WCDMA系统的嵌入式多波束覆盖方案  

A Multi-Beam Coverage Scheme with Embedded Beam for HAPS WCDMA Systems

作　　者：郭宪广[1] 金荣洪[1] 耿军平[1] 陈俊杰[1] 高波[1] 吴琦[1] 

机构地区：[1]上海交通大学电子工程系,上海200240

出　　处：《电子与信息学报》2008年第1期72-76,共5页Journal of Electronics & Information Technology

摘　　要：该文提出了一种用于平流层平台WCDMA系统的固定波束加可控波束天线覆盖方案。该方案根据不同用户分布,在原有固定波束中合理嵌入可控波束,并有效调整嵌入波束的位置和大小,来优化系统容量。仿真结果表明该方案能够有效地提高平流层通信系统容量,节省波束资源,并且在变化的用户分布情况下保持容量的稳定性。该方案的这种优越性尤其体现在通信热点问题的解决中。In this paper a coverage scheme consisting of both fixed and configurable beams is proposed for HAPS WCDMA systems. According to different user distribution, the system capacity is optimized by embedding configurable beams in fixed beams rationally and adjusting the position and size of them efficiently. The numerical results show that a higher and more stable system capacity is expectable despite variation of user distribution, and large number of beams are also economized. This good performance especially appears in solving the problem of the hot spot in communication.

关 键 词：WCDMA 多波束结构 嵌入波束 平流层通信 功率控制 通信热点 

分 类 号：TN914.53[电子电信—通信与信息系统]