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Modern battlefield communications environment is very complex, the sensor network is extremely prone to splitting, in this situation the traditional routing protocols will fail, and opportunistic routing is regarded as the most promising techniques. While there have been some routing protocols such as Epidemic, Prophet Router, First Contact Router to use, none of these protocol allows multiple sending...
This paper presents a simple yet effective decoding for general quasi-cyclic low-density parity-check (QC-LDPC) codes, which not only achieves high hardware utility efficiency (HUE), but also brings about great memory block reduction without any performance degradation. The main idea is to split the check matrix into several row blocks, then to perform the improved message passing computations sequentially...
Antenna selection technology in MIMO diversity system can achieve almost the same diversity gain as omni-directional antenna without increasing the radio frequency link in system. Several drawbacks exist in commonly used diversity reception method since it only considers the intensity fading of signal rather than content analysis and comparison of signal. In this paper, we study the current wireless...
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