Journal Article10.1016/S1004-4132(08)60107-3
Adaptive bit and power loading algorithm with low complexity in MIMO-OFDM systems
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TL;DR: In this article, two adaptive power and bit loading algorithms to maximize the throughput of MIMO-OFDM systems in frequency selective fading environment are proposed, and the two algorithms allocate bit based on maximizing the overall throughput.
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About: This article is published in Journal of Systems Engineering and Electronics. The article was published on 01 Jun 2008. The article focuses on the topics: Bit error rate & Throughput (business).
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Citations
Interference alignment with frequency-clustering for efficient resource allocation in cognitive radio networks
Mohammed El-Absi,Musbah Shaat,Faouzi Bader,Thomas Kaiser +3 more
- 01 Dec 2014
TL;DR: Simulation results show that IA with frequency-clustering achieves a significant sum rate increase compared to CR systems with orthogonal multiple access transmission techniques.
Interference Alignment With Frequency-Clustering for Efficient Resource Allocation in Cognitive Radio Networks
Mohammed El-Absi,Musbah Shaat,Faouzi Bader,T. Kaiser +3 more
TL;DR: Simulation results show that IA with frequency-clustering achieves a significant sum rate increase compared to CR systems with orthogonal multiple access transmission techniques.
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•Dissertation
Novel Aspects of Interference Alignment in Wireless Communications
Mohammed El-Absi
- 23 Jun 2015
TL;DR: This dissertation concentrates on overcoming the challenges as well as exploiting the opportunities of IA in K-user multiple-input multiple-output (MIMO) interference channels, and proposes a simplified Min-Maxing IA algorithm for rank-deficient interference channels to achieve the targeted performance with less complexity.
1
Optimal modulation and coding for spatial multiplexing under flat fading channel.
Monika Jain,Sandeep Singh +1 more
TL;DR: Coding schemes can be used in link adaptation algorithms to improve data rates, effective use of allocated frequency spectrum and further to mitigate the effect of dynamic nature of the channel are used.
Analysis of Link Adaptation Algorithms Using Coding Scheme for OFDM Systems Under Frequency Selective Fading Environment
Sandeep Singh,Neetu Sood +1 more
TL;DR: This paper presents OFDM with link adaptation algorithms applied to Multi-Input Multi-output (MIMO) systems and applies an optimization discrete bit loading algorithm and power allocation for each subcarrier assuming instantaneous channel state information is known at both the transmitter and receiver.
References
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J. Campello
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TL;DR: In a previous work by Campello, necessary and sufficient conditions for a discrete bit assignment to be the solution to the discrete bit loading problems were derived and used to derive fast algorithms that can be efficiently implemented in practice.
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Adaptive OFDM for wideband radio channels
Andreas Czylwik
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TL;DR: The simulations show that with adaptive OFDM, the required signal power for an error probability of 10/sup -3/ can be reduced by 5...15 dB compared with fixed OFDM.
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Performance of an OFDM-TDMA mobile communication system
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TL;DR: It is shown that OFDM systems have a large potential concerning the flexible allocation of the total given bandwidth to different users and can be exploited to adapt to the impairments of the radio channel, thus increasing the overall performance.
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