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Lattice reduction-aided equalization techniques have emerged as a low-complexity method to achieve the same diversity as maximum likelihood detectors. We address the VLSI implementation of these LR-aided equalizers by modifying the CLLL algorithm from a fixed-point hardware perspective. We then apply the modified algorithm together with additional micro-architecture and operation scheduling enhancements...
To increase the capacity and performance of TD- SCDMA system, the receiver will contain a joint detector. Joint detection is equivalent to solving a least squares problem with a block-Toeplitz system matrix. Therefore, algorithms and implementations must be developed that lower this complexity as far as possible without degrading the performance. In current TD-SCDMA system, MMSE-BLE detectors are...
The structure of an optimum linear precoder for a rotation-invariant performance measure is obtained subject to the constraint of limited input power for a block transmission scheme. It is shown that several known performance measures of a communication system are rotation invariant. The rotation invariant property provides a unified framework for obtaining the structure of an optimum linear precoder...
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