The traffic carrying capacity of wireless networks

被引：0
|
作者：
Gupta, P [1 ]
Kumar, PR [1 ]
机构：
[1] Univ Illinois, CSL, Urbana, IL 61801 USA
来源：
2000 IEEE INTERNATIONAL SYMPOSIUM ON INFORMATION THEORY, PROCEEDINGS | 2000年
关键词：
D O I：
10.1109/ISIT.2000.866732
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
How much traffic can wireless networks carry? Consider n nodes located in a disk of area A so. meters, each capable of transmitting at a data rate of W bits/sec. Under a protocol based model for successful receptions, the total network can carry only Theta (W root An) bit-meters/sec, where 1 bit carried a distance of 1 meter is counted as 1 bit-meter. This is the best possible even assuming the nodes locations, traffic patterns, and the range/power of each transmission, are all optimally chosen. If the node locations and their destinations are randomly chosen, and all transmissions employ the same power/range, then ach node only obtains a throughput of Theta (W/rootn log n) bits/sec, if the network is optimally operated. Similar results hold for a physical SIR based model.
引用
收藏
页码：434 / 434
页数：1
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