Download e-book for kindle: Adaptive Signal Processing in Wireless Communications by Mohamed Ibnkahla

By Mohamed Ibnkahla

ISBN-10: 1420046012

ISBN-13: 9781420046014

Adaptive recommendations play a key function in smooth instant conversation structures. the concept that of version is emphasised within the edition in instant Communications sequence via a unified framework throughout all layers of the instant protocol stack starting from the actual layer to the applying layer, and from mobile platforms to next-generation instant networks. This particular quantity, Adaptive sign Processing in instant Communications is dedicated to variation within the actual layer. It supplies an in-depth survey of adaptive sign processing strategies utilized in present and destiny generations of instant communique platforms. that includes the paintings of best overseas specialists, it covers adaptive channel modeling, id and equalization, adaptive modulation and coding, adaptive multiple-input-multiple-output (MIMO) platforms, and cooperative variety. It additionally addresses different vital elements of edition in instant communications corresponding to implementation, reconfigurable processing, and cognitive radio.

A moment quantity within the sequence, edition and Cross-layer layout in instant Networks(cat no.46039) is dedicated to model within the info hyperlink, community, and alertness layers.

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1998. Rate adaptation over mobile radio channels using channel quality information. In Proceedings of the IEEE Globecom’98 Communication Theory Mini Conference Record, pp. 46–52. [44] J. Jacobsmeyer. 1996. Adaptive data rate modem. S. Patent 5541955. 32 Adaptive Signal Processing in Wireless Communications [45] M. Türkboylari and G. L. Stüber. 1998. An efficient algorithm for estimating the signal-to-interference ratio in TDMA cellular systems. IEEE Transactions on Communications 46:728–31. [46] H.

Adaptive modulation and coding provide a framework to adjust modulation level and FEC coding rate depending on the link quality. Higher-order modulations (HOMs) allow more bits to be transmitted for a given symbol rate. On the other hand, HOM is less power efficient, requiring higher energy per bit for a given BER. Therefore, HOMs should be used only when the link quality is high, as they are less robust to channel impairments. Similarly, strong FEC and interleaving provide robustness against channel impairments at the expense of lower data rate and spectral efficiency, suggesting adaptation of coding rate based on the link quality.

5 Future Research for Adaptation Most of the techniques and issues that were described in the previous sections still need further research for the development of more efficient adaptation and parameter estimation algorithms. At the same time, there is a significant amount of effort in evolving current wireless communications systems to provide higher data rates, higher capacity, and better performance. New technologies are being introduced to accommodate these goals, like multicarrier wireless communications, MIMO, and ultrawideband (UWB).

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Adaptive Signal Processing in Wireless Communications by Mohamed Ibnkahla

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