The frequency planning for a cellular system enhanced with two-hop fixed relay nodes (FRNs) is investigated.

研究了两跳固定中继蜂窝网的频率规划问题。

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The key and crux to improve capacity of a cellular system is to abate the Co-Channel Interference (CCI) derived from frequency reuse.

提高蜂窝系统容量的关键和难点在于减小由频率复用产生的同频干扰。

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Oxidative stress occurs in a cellular system when the production of free radical moieties exceeds the antioxidant capacity of that system.

当细胞内的自由基产物超出其自身的抗氧化能力时，便会产生氧化应激。

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Steven Russell, director of Massachusetts General Hospital's Diabetes Unit and co-author of the study, the next step is for researchers to develop a portable system about the size of a cellular telephone.

VOA: standard.2010.04.15

It's bruited that the Israel Defense Forces will be moving forward on a plan to light up a new cellular system that will blast out SMS-CB alerts to citizens if and when a missile is fired in the direction of Israel.

ENGADGET: Israel to activate SMS-CB missile alert system next year

The latest generation of Opticom gear does away with infrared in favor of a combination of cellular radio and Global Positioning System links, which can pinpoint a vehicle's location and speed.

FORBES: Greening the Traffic Lights

Android likely falls into this camp as well, as mobile phone manufacturers and cellular carriers would not support a mobile operating system with very narrow appeal.

FORBES: Is Google Too Rushed to Pioneer?