在如以太网及数据包无线电之类的电信网络之中，吞吐量或网络吞吐量是指于一通讯通道上单位时间能成功传递的平均资料量，资料可以于实体或逻辑链接上传递，或通过某个网络节点。吞吐量的单位通常表示为位元每秒（bit/s或bps），有时也可看到数据包每秒或数据包每时隙等单位。
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系统吞吐量或汇集吞吐量是指于一网络内单位时间所有终端传递的资料量的总和。
吞吐量可以用等候理论作数学上的分析。其中，单位时间的数据包负戴标示为到达率λ，而单位时间的数据包吞吐量则标示为离开率μ。
吞吐量实质上同义于数码带宽消耗量。
另见
参考资料
- Rappaport, Theodore S. Wireless Communications, Principles and Practice second edition, Prentice Hall, 2002, ISBN 0130422320
- Blahut, Richard E. Algebraic Codes for Data Transmission Cambridge University Press, 2004, ISBN 0521553741
- Li, Harnes, Holte, "Impact of Lossy Links on Performance of Multihop Wireless Networks", IEEE, Proceedings of the 14th International Conference on Computer Communications and Networks, Oct 2005, 303 - 308
- Johnson, Graham, High Speed Digital Design, a Handbook of Black Magic, Prentice Hall, 1973, ISBN 0133957241
- Roddy, Dennis, Satellite Communications third edition, McGraw-Hill, 2001, ISBN 0071371761
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