Performance Analysis of the Ordered V-BLAST Approach over Nakagami-m Fading Channels
Provides analytical performance bounds for a specific MIMO detection scheme under a particular fading model, which is an incremental contribution for communication system designers.
The paper derives tight closed-form bounds for the average symbol error rate and outage probability of ordered V-BLAST with SIC over Nakagami-m fading channels, considering error propagation. Numerical results validate the analysis.
The performance of the V-BLAST approach, which utilizes successive interference cancellation (SIC) with optimal ordering, over independent Nakagami-m fading channels is studied. Systems with two transmit and n receive antennas are employed whereas the potential erroneous decision of SIC is also considered. In particular, tight closed-form bound expressions are derived in terms of the average symbol error rate (ASER) and the outage probability, in case of binary and rectangular M-ary constellation alphabets. The mathematical analysis is accompanied with selected performance evaluation and numerical results, which demonstrate the usefulness of the proposed approach.