Qian Clara Li

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 Cooperative communications enable efficient utilization of communication resources, by allowing nodes or terminals in a communication network to collaborate with each other in information transmission.  We survey cooperative communication schemes and discuss their advantages in improving system capacity and diversity.  We examine the applications of(More)
In this paper, we investigate the diversity-multiplexing tradeoff (DMT) of a multiple-input-multiple-output (MIMO) full-duplex single-user multihop relay channel, where a pair of source and destination communicates via multiple layers of relays. All communication terminals could be equipped with multiple antennas. The relays operate in a full-duplex mode.(More)
This paper considers a cellular network with multiple low-power relay nodes (RN) deployed in each cell, helping the downlink transmission between the base stations (BS) and the user equipments (UE). The difference in transmission power between the BSs and the RNs makes this network heterogeneous. With conventional mobile association schemes, traffic load(More)