在如乙太网路及封包无线电之类的电信网路之中，吞吐量或网路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结上传递，或通过某个网路节点。吞吐量的单位通常表示为位元每秒（bit/s或bps），有时也可看到封包每秒或封包每时槽等单位。
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系统吞吐量或汇集吞吐量是指于一网路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，单位时间的封包负戴标示为到达率λ，而单位时间的封包吞吐量则标示为离开率μ。
吞吐量实质上同义于数位频宽消耗量。
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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