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In 3GPP LTE-Advanced Release-12, the feature of dual connectivity (DC) has been introduced to enhance small cell networks from the aspects of higher layer architecture and physical layer procedures, which can improve mobility robustness and per-user throughput as well as avoid frequent hard handover among small cells. To guarantee the UE maximum transmit power is not exceeded, the conventional power...
This paper proposes a non-cooperative Game-based Multichannel Power Control (GMPC) model and a wireless resource allocation scheme for CR networks. Considering the power constraint of primary users and secondary users, the proposed model attempt to not only maximize the network throughput but also minimize the total power consumed in a CR network with external interferences. Moreover, the theoretical...
TD-SCDMA is one of the third generation (3G) mobile communication standards, which is coming into the commercial phase. Along with the network deployment, planning and optimization tools are playing an important role to ensure the network performance. Scanner is one of the important tools, contributing to optimize the wireless network performance via drive test, tower site survey, in-building measurement,...
Multi-cell processing (MCP) is regarded as an effective way for interference mitigation in cellular networks. We propose a joint Base Station (BS) selection and linear precoding design algorithm for the downlink transmission in MCP enabled networks. The algorithm solves a regularized utility maximization problem to find a sparse solution for the precoding matrix. The BS selection is thus based on...
We propose a linear precoding technique, called multiuser generalized eigenmode transmission (MGET), based on the leakage-based precoding technique. A signal-to-leakage-plus-noise (SLNR) precoding scheme is one approach for linear precoding in the multiple-input multiple-output broadcast channel that sends multiple data streams to different users in the same cell. Unfortunately, SLNR-based scheme...
This paper presents noise suppression linearly constrained least square constant modulus algorithm (LSCMA) for blind suppression of multiuser interferences cancellation in CDMA system. The conventional least square constant modulus algorithm (LSCMA) is difficult to converge to the desired user in the system that has several constant modulus signals. To overcome this shortage, a linearly constrained...
This paper presents a robust least square constant modulus algorithm (LSCMA) for interference cancellation based on subspace decomposition in CDMA system. The conventional least square constant modulus algorithm (LSCMA) is easy to capture the interference signals in the system that has several constant modulus signals. In order to overcome this shortage, a linearly constrained LSCMA algorithm is proposed...
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