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In this paper, the insight into the scale effects oriented MIMO detector (SEOD) which is developed for the MIMO system that has to detect signals of multiple users, e.g., the multiple-antenna base-station (BS) system, is presented. The diversity order, complexity and scale effects of SEOD are investigated. The main contributions of this work can be listed as follows: (1) applying the concept of scale...
In this paper, the problem of exploiting potential benefit from centralized processing nature of cloud base-station is addressed. We propose to exploit one kind of benefit available in cloud base-station, called scale effects, for MIMO detection by employing the scale effects oriented MIMO detector (SEOD). From this study, it can be found that SEOD is a feasible scheme being able to exploit two types...
In this paper, the early-termination fixed-complexity sphere detector (ET-FSD) that is a channel-adaptive version of FSD, is developed to exploit scale effects for the multiple-antenna system which has to detect signals of multiple users under the constraint of sum complexity (e.g., the base-station systems always encounter the run-time limit of signal detection of all the users). In order to apply...
Although multiple-input-multiple-output (MIMO) detection has received much research attention in the past years, to the author's knowledge, few detection methods demonstrate optimal/near-optimal performance with low complexity. This paper proposes to incorporate automatic retransmission request (ARQ) with sub-optimal MIMO detectors so as to achieve both favorable performance and low complexity. In...
A block-wise MIMO detection scheme which reduces the search space greatly comparing with the ML detection but still achieves the near-optimal performance is proposed. The specific feature of the proposed detection scheme is that, the search space is reduced as much as possible before performing the exhaustive search, in other words, the required search space that is large enough to guarantee the acceptable...
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