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In massive multiple-input multiple-out (M-MIMO) systems, the base station estimates each forward-link channel by using the reverse-link sounding pilot and the channel reciprocity property of time division duplex (TDD) operation. However, conventional non-cooperative sounding schemes, like a sounding sequence assignment scheme with reuse factor-1, cause cell edge users to suffer from pilot contamination...
There is no doubt that the future Internet traffic will be dominated by the multimedia services. However, their strict quality of service requirements, as well as bursty nature, are not well suited for the best-effort delivery of the Internet infrastructure. In this paper, we propose a novel multi-topology routing based traffic engineering approach. The scheme can provide simple, yet efficient, solution...
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