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题名/责任者:

Wireless communications over rapidly time-varying channels / edited by Franz Hlawatsch, Gerald Matz.

版本说明:

1st ed.

出版发行项:

Oxford, UK ; Burlington, MA : Academic Press, 2011.

ISBN:

9780123744838 (hbk.)

ISBN:

0123744830 (hbk.)

载体形态项:

xxviii, 425 p. : ill. ; 25 cm.

附加个人名称:

Hlawatsch, F. (Franz)

附加个人名称:

Matz, Gerald.

论题主题:

Wireless communication systems.

论题主题:

Time-series analysis.

中图法分类号:

TN92

书目附注:

Includes bibliographical references and index.

内容附注:

Fundamentals of time-varying communication channels. Introduction ; The physics of time-varying channels ; Deterministic description ; Stochastic description ; Underspread channels ; Parsimonious channel models ; Measurement ; Conclusion -- Information theory of underspread WSSUS channels. The role of a system model ; A discretized system model ; The large-bandwidth regime : diagonalized I/O relation ; The large bandwidth regime : I/O relation with interference ; The high-SNR regime ; Conclusions -- Algebraic coding for fast fading channels. Introduction ; Product distance based code design ; Lattices ; Algebraic number theory ; Algebraic lattices ; Ideal lattices ; Algebraic rotations with high product distance ; Sphere decoding ; Performance of rotated constellations ; Conclusions -- Estimation of time-varying channels : a block approach. Introduction ; System and channel model ; Channel estimation based on a single block ; Channel estimation based on multiple blocks ; Extension to MIMO systems ; Adaptive channel estimation ; Conclusions -- Pilot design and optimization for transmission over time-varying channels. Introduction ; Pilot design : a framework ; Optimal TDM pilot insertion pattern in single carrier systems ; Alternative pilot insertion strategy : superimposed training ; Resource allocation : amount of training and power optimization ; Pilot design for MIMO channels ; Pilot design for wideband systems ; Conclusion ; The Kalman Filter for TDM training ; Proof of proposition 5.1 ; Proof of Lemma 5.1 ; Proof of theorem 5.1 -- Equalization of time-varying channels. Introduction ; System model ; Coherent equalization ; Noncoherent equalization ; Conclusion ; Derivation of posterior LLR expression (6.36) ; Derivation of the noncoherent MLSD expression (6.73) ; Explanation of EM recursion (6.91) ; Info EM(B) algorithms for noncoherent equalization -- OFDM communications over time-varying channels. OFDM systems ; ICI mitigation techniques ; Time-varying channel estimation ; Concluding remarks -- Multiuser MIMO receiver processing for time-varying channels. Introduction ; Multiuser MIMO systems ; Tools for complexity reduction ; Iterative multiuser MIMO time-varying channel estimation ; Linear joint antenna multiuser detection ; Nonlinear detection ; Simulation results ; Conclusions ; Computation of the log-likelihood ratio (8.44) -- Time-scale and dispersive processing for wideband time-varying channels. Introduction ; Narrowband channel characterization ; Wideband delay-scale channel characterization ; Wideband dispersive channel characterization ; Underwater wireless communication channels ; Application example.

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