| 基于CDMA技术的Ad Hoc网络联合功率控制算法 |
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| 引用本文： | 张树,戎蒙恬,孙礼.基于CDMA技术的Ad Hoc网络联合功率控制算法[J].上海交通大学学报,2005,39(4):640-644. |
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| 作者姓名： | 张树 戎蒙恬 孙礼 |
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| 作者单位： | 1. 上海交通大学,电子工程系,上海,200030
2. 飞利浦东亚上海研究实验室,上海,200070 |
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| 摘 要： | 提出了一种用于Ad Hoc CDMA网络的联合功率控制算法．对于一个接收终端，分配在同一时隙的各个发射终端的功率调整是基于通信链路的当前状态信息，其中包括各发射终端下一步使用的调整后的新发射功率值．即发射终端调整后的新发射功率值是基于共同的通信资源计算得出的．使得各移动终端能够共享通信网络链路资源．仿真结果表明，这一新的功率控制算法能有效地减小接收端信噪比动态范围，降低干扰信号强度，提高能量效率和系统性能．
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| 关 键 词： | 自组织无线网络 码分多址 功率控制 信噪比 |
| 文章编号： | 1006-2467(2005)04-0640-05 |
| 修稿时间： | 2004年4月8日 |
Joint Power Control Algorithm for Ad Hoc CDMA-Based Networks |
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| ZHANG Shu,RONG Meng-tian,SUN Li.Joint Power Control Algorithm for Ad Hoc CDMA-Based Networks[J].Journal of Shanghai Jiaotong University,2005,39(4):640-644. |
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| Authors: | ZHANG Shu RONG Meng-tian SUN Li |
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| Institution: | ZHANG Shu~1,RONG Meng-tian~1,SUN Li~2 |
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| Abstract: | A joint power control algorithm for Ad Hoc CDMA-based networks was proposed. For a receiving node, all transmitting nodes assigned in the same time slot adjust their transmission power based on current information, which takes into account the power adjustment of other transmitting nodes in next step. In other words, the power adjustment of all transmitting nodes is derived jointly from the common network status resource. The goal is to allow nodes to share network resources equally. The simulation results indicate that the proposed algorithm outperforms the conventional algorithms in terms of higher energy efficiency, lower system interference and thus better system performance. |
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| Keywords: | self-organizing wireless network code division multiple access power control signal-to-(interference-ratio) |
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