Performance of amplify-and-forward cooperative networks with differential unitary space time coding |
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Authors: | Woong Cho |
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Institution: | (1) Electronics and Telecommunications Research Institute (ETRI), Daejeon, 305-700, Republic of Korea |
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Abstract: | In wireless communications, multi-input multi-output technology has been appreciated for its high transmission rate and diversity
gain. These can also be exploited in cooperative networks by using network nodes as virtual antenna arrays. In this paper,
we analyze the performance of cooperative networks with differential unitary space-time modulation under high signal-to-noise
ratio. Relaying protocol is based on amplify-and-forward. The effect of relay location and energy allocation as well as the
comparison with a conventional cooperative network is also addressed. |
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Keywords: | |
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