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Frequency Selective Fading Channel

by Author(s Xiang, G Ng, Xiang Gui, Tung Sang Ng, Senior Member
"... ©1999 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other wo ..."
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©1999 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.

Frequency Selective Fading Channel

by Xiang Gui, Tung Sang Ng, Senior Member
"... ©1999 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other wo ..."
Abstract - Add to MetaCart
©1999 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.

1Equalization of Linearly Frequency-Selective Fading Channels

by W Ing Seng Leon, Umberto Mengali, Desmond P. Taylor
"... Abstract—A simple technique for removing intersymbol inter-ference (ISI) introduced by “linearly frequency-selective ” fading channels is presented. The technique involves the optimization of the overall impulse response of the transmit and receive filters and effectively reduces the channel to o ..."
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Abstract—A simple technique for removing intersymbol inter-ference (ISI) introduced by “linearly frequency-selective ” fading channels is presented. The technique involves the optimization of the overall impulse response of the transmit and receive filters and effectively reduces the channel

Optimized Delay Diversity for Frequency-Selective Fading Channels

by Thorsten Hehn, Robert Schober, Wolfgang H. Gerstacker - IEEE TRANS. ON WIRELESS COMMUN , 2005
"... This paper proposes an optimized delay diversity (ODD) scheme for frequency-selective fading channels. The novel scheme requires knowledge of the channel impulse response (CIR) autocorrelation matrix at the transmitter, but the CIRs themselves have to be available only at the receiver side. A cost f ..."
Abstract - Cited by 2 (2 self) - Add to MetaCart
This paper proposes an optimized delay diversity (ODD) scheme for frequency-selective fading channels. The novel scheme requires knowledge of the channel impulse response (CIR) autocorrelation matrix at the transmitter, but the CIRs themselves have to be available only at the receiver side. A cost

A Nonlinear and Frequency-selective Fading Channel

by Haris Gacanin, Fumiyuki Adachi
"... Abstract—Orthogonal frequency division multiplexing (OFDM) is adopted for several wireless network standards due to its high capacity and robustness against multipath fading. OFDM, however, has a problem with high peak-to-average power ratio (PAPR) that strictly limits its application. Recently, OFD ..."
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and discuss the trade-off for OFDM/TDM using MMSE-FDE between the channel capacity and the PAPR in a nonlinear and frequency-selective fading channel. Our results show that OFDM/TDM using MMSE-FDE achieves a larger capacity with a lower PAPR in comparison with the conventional OFDM. It is also shown

Effective Capacity Channel Model for Frequency-selective Fading Channels

by Dapeng Wu, Rohit Negi
"... To efficiently support quality of service (QoS) in future wireless networks, it is important to model a wireless channel in terms of connection-level QoS metrics such as data rate, delay and delay-violation probability. To achieve this, in [7], we proposed and developed a link-layer channel model te ..."
Abstract - Cited by 2 (0 self) - Add to MetaCart
termed effective capacity (EC) for flat fading channels. In this paper, we apply the effective capacity technique to modeling frequency selective fading channels. Specifically, we utilize the duality between the distribution of a queue with superposition of N i.i.d. sources, and the distribution of a

Optimal Training for MIMO Frequency-Selective Fading Channels

by Xiaoli Ma, Liuqing Yang, Georgios B. Giannakis - IEEE Trans. Wireless Commun , 2002
"... High data rates give rise to frequency-selective channel effects. Space-time multiplexing and/or coding offer attractive means of combating fading, and boosting capacity of multi-antenna communications. As the number of antennas increases, channel estimation becomes challenging because the number of ..."
Abstract - Cited by 49 (2 self) - Add to MetaCart
High data rates give rise to frequency-selective channel effects. Space-time multiplexing and/or coding offer attractive means of combating fading, and boosting capacity of multi-antenna communications. As the number of antennas increases, channel estimation becomes challenging because the number

Analysis of OFDMA Downlink Frame Synchronization Method in Frequency Selective Fading Channels

by K. Pushpa, Ch. N, A Kishore, Y. Yogan
"... standards specify OFDMA as a physical layer technique for fixed and nomadic BWA systems, respectively. OFDMA is very sensitive to time and frequency offsets. In this paper, a preamble based downlink frame synchronization method for OFDMA mode of WMAN is analyzed in frequency selective fading channel ..."
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selective fading channels to validate the theoretical predictions. Index Terms—WMAN, OFDM, OFDMA, Cell ID, frame synchronization, time synchronization, and frequency synchronization. I.

1Minimum SER Block Precoding and Equalization for Frequency-Selective Fading Channels

by Lingyang Song, Rodrigo C. De Lamare, Are Hjørungnes, Alister G. Burr, Manav R. Bhatnagar , 2009
"... In this paper, we study the joint transmitter and receiver design problem over frequency-selective fading channels. Motivated by the conventional MMSE-DFE, we present a simple approximate ML decision feedback equalizer at the receiver. We then perform precoding in a downlink scenario at the transmit ..."
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In this paper, we study the joint transmitter and receiver design problem over frequency-selective fading channels. Motivated by the conventional MMSE-DFE, we present a simple approximate ML decision feedback equalizer at the receiver. We then perform precoding in a downlink scenario

Optimal Training for Frequency-Selective Fading Channels

by H. Vikalo, B. Hassibi, B. Hochwald, T. Kailath - in Proc. of Intl. Conf. on ASSP , 2001
"... Many communications systems employ training, i.e., the transmission of known signals, so that the channel parameters may be learned at the receiver. This has a dual effect: too little training and the channel is improperly learned, too much training and there is no time left for data transmission be ..."
Abstract - Cited by 16 (0 self) - Add to MetaCart
before the channel changes. In this paper we use an information-theoretic approach to find the optimal amount of training for frequency selective channels described by a block-fading model. When the training and data powers are allowed to vary, we show that the optimal number of training symbols is equal
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