Hongkui Yang

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In this paper, we propose a low memory design for Hybrid-ARQ systems that combines the new transmission with previous transmission either with Chase combining (CC) or code combining (IR: incremental redundancy). When the current transmission is decoded in error, the channel inputs to be stored for combining with next transmission are quantized with fewer(More)
The word error rate (WER) of soft-decision-decoded binary block codes rarely has closed-form. Bounding techniques are widely used to evaluate the performance of maximum-likelihood decoding algorithm. But the existing bounds are not tight enough especially for low signal-to-noise ratios and become looser when a suboptimum decoding algorithm is used. This(More)
In this paper, we present a novel spatial diversity technique which uses only one antenna element. For the static or quasi-static rich scattering environments, significant diversity gain can be attained by simply moving the antenna element around a certain geographical area. Such diversity gain is conventionally obtained by multiple fixed antennas. The(More)
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