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Use of delay tolerant space time codes to combat synchronization errors in cooperative networks

机译:在合作网络中使用延迟容忍的时空代码来消除同步错误

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With the evolution of wireless systems, cooperative communications are promoted as promising candidate for future radio access technologies. However, due to the different processing and propagation delays among distributed relays, cooperative networks can be asynchronous. A possible solution is to apply a distributed synchronization which unfortunately increases the amount of needed power and time for the communication. Therefore, space time codes that can tolerate the delays are used here in cooperative networks in order to reduce this additional signaling for several multiple access technologies. The performance enhancement of the proposed scheme compared to another existing code is shown by numerical simulations.
机译:随着无线系统的发展,协作通信被推广为未来无线电接入技术的有希望的候选者。但是,由于分布式中继之间的处理和传播延迟不同,因此协作网络可能是异步的。一种可能的解决方案是应用分布式同步,这不幸地增加了通信所需的功率和时间。因此,这里在协作网络中使用可以容忍延迟的时空码,以便为多种多址技术减少这种额外的信令。数值模拟显示了与另一个现有代码相比,所提方案的性能增强。

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