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Closed‐form statistics are highly desirable in wireless communications. With this motivation, this work presents the closed‐form expressions for the fundamental statistics of generalized α‐η‐μ/Inverse‐Gamma (I‐Gamma) composite distribution. The proposed distribution encompasses well‐known η‐μ/I‐Gamma, α‐μ/I‐Gamma and other variants. First, we derive a novel closed‐form expression for the probability...
In recently proposed multiple access techniques such as IDMA and OFDM-IDMA, the user separation is done by user specific interleavers in contrast to conventional CDMA scheme where user separation is assured with user-specific signature sequences. The user specific interleavers must demonstrate minimum probability of collision amongst each other in addition to other merits including minimal consumption...
This paper is concerned with the performance improvement of iterative Interleave-Division Multiple-Access (IDMA) scheme based receivers using optimum power allocation algorithm using tree based interleavers (TBI). Based on the optimized power allocation technique, we compare the performance of IDMA receiver with random interleaver, power interleaver, and tree based interleaver. The simulation results...
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