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Consider a parallel Gaussian channel with M subchannels each of which experiences independent flat fading. There exists a smart jammer which is capable of intercepting the feedback channel message such that channel state information (CSI) measured and sent back by a receiver can be perfectly known to the jammer, as well. We formulate a novel two-layer two-person zero-sum game. Under this zero-sum...
Relaying is often advocated for improving system performance by enhancing spatial diversity in wireless networks. In this paper, we address the issue of energy tradeoff made by relay nodes between transmitting their own data and forwarding other nodes' information in fading channels. First, assuming perfect channel state information (CSI), we propose a power control policy in a two-node relay network...
Relaying is often advocated for improving system performance by enhancing spatial diversity in wireless networks. Relay nodes make contributions to improving the source-destination link quality by sacrificing their own energy. In this paper, we address the issue of energy tradeoff made by relay nodes between transmitting their own data and forwarding other nodes' information in fading channels. Assuming...
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