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- W4302315074 abstract "The performance of integer-forcing equalization for communication over the compound multiple-input multipleoutput channel is investigated. An upper bound on the resulting outage probability as a function of the gap to capacity has been derived previously, assuming a random precoding matrix drawn from the circular unitary ensemble is applied prior to transmission. In the present work a simple and explicit lower bound on the worst-case outage probability is derived for the case of a system with two transmit antennas and two or more receive antennas, leveraging the properties of the Jacobi ensemble. The derived lower bound is also extended to random space-time precoding, and may serve as a useful benchmark for assessing the relative merits of various algebraic space-time precoding schemes. We further show that the lower bound may be adapted to the case of a $1 times N_t$ system. As an application of this, we derive closed-form bounds for the symmetric-rate capacity of the Rayleigh fading multiple-access channel where all terminals are equipped with a single antenna. Lastly, we demonstrate that the integer-forcing equalization coupled with distributed space-time coding is able to approach these bounds." @default.
- W4302315074 created "2022-10-06" @default.
- W4302315074 creator A5029983697 @default.
- W4302315074 creator A5074016554 @default.
- W4302315074 date "2017-06-11" @default.
- W4302315074 modified "2023-09-23" @default.
- W4302315074 title "Explicit Lower Bounds on the Outage Probability of Integer Forcing over Nrx2 Channels" @default.
- W4302315074 doi "https://doi.org/10.48550/arxiv.1706.03342" @default.
- W4302315074 hasPublicationYear "2017" @default.
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