Results 31 - 40 of 5,800

Phantomnet: Exploring optimal multicellular multiple antenna systems

by Syed A. Jafar, Gerard J. Foschini - EURASIP Journal on Applied Signal Processing, Special Issue on MIMO Communications and Signal Processing , 2002
"... Abstract—We address the problem of providing the best possible service to new users joining a multicellular multiple antenna system without affecting existing users. Since, interferencewise, new users are invisible to existing users, the network is dubbed Phantom Net. I. ..."
Abstract - Cited by 44 (2 self) - Add to MetaCart
Abstract—We address the problem of providing the best possible service to new users joining a multicellular multiple antenna system without affecting existing users. Since, interferencewise, new users are invisible to existing users, the network is dubbed Phantom Net. I.

Secure Broadcasting Using Multiple Antennas

by Ersen Ekrem, Sennur Ulukus
"... Abstract: We consider three different secure broadcasting scenarios: i) Broadcast channels with common and confidential messages (BCC), ii) multi-receiver wiretap channels with public and confidential messages, and iii) compound wiretap channels. The BCC is a broadcast channel with two users, where ..."
Abstract - Cited by 7 (6 self) - Add to MetaCart
, as they are often the first step in obtaining the capacity results for the corresponding Gaussian MIMO channel models. Index Terms: Broadcast channels, information theoretic security, multiple antennas.

A Fundamental Tradeoff in Multiple Antenna Channels

by Lizhong Zheng, David N. C. Tse , 2002
"... Multiple antennas can be used for increasing the amount of diversity or the number of degrees of freedom in wireless communication systems. In this paper, we propose the point of view that both types of gains can be simultaneously obtained for a given multiple antenna channel, but there is a funda ..."
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Multiple antennas can be used for increasing the amount of diversity or the number of degrees of freedom in wireless communication systems. In this paper, we propose the point of view that both types of gains can be simultaneously obtained for a given multiple antenna channel, but there is a

Adaptive multiple-antenna receiver for CDMA mobile reception

by Stefan Werner, Timo Laakso, Jorma Lilleberg - Proc. ICC'98 , 1998
"... This paper examines the utilization of multiple antennas for Direct-Sequence Code Division Multiple Access (DS-CDMA) mobile communications at the mobile receiver. A linear singleuser multiple-antenna receiver is derived and its performance is compared with that of the conventional matched filter. An ..."
Abstract - Cited by 8 (4 self) - Add to MetaCart
This paper examines the utilization of multiple antennas for Direct-Sequence Code Division Multiple Access (DS-CDMA) mobile communications at the mobile receiver. A linear singleuser multiple-antenna receiver is derived and its performance is compared with that of the conventional matched filter

Space-time block codes from orthogonal designs

by Vahid Tarokh, Hamid Jafarkhani, A. R. Calderbank - IEEE Trans. Inform. Theory , 1999
"... Abstract — We introduce space–time block coding, a new paradigm for communication over Rayleigh fading channels using multiple transmit antennas. Data is encoded using a space–time block code and the encoded data is split into � streams which are simultaneously transmitted using � transmit antennas. ..."
Abstract - Cited by 1524 (42 self) - Add to MetaCart
Abstract — We introduce space–time block coding, a new paradigm for communication over Rayleigh fading channels using multiple transmit antennas. Data is encoded using a space–time block code and the encoded data is split into � streams which are simultaneously transmitted using � transmit antennas

Multiple Antenna Systems With Finite Rate Feedback

by Chandra R. Murthy, Jun Zheng, Bhaskar D. Rao , 2005
"... The performance of multiple antenna systems can be greatly improved by making the channel state information (CSI) available at the transmitter. In practice, therefore, a finite-rate feedback link is employed to convey a quantized version of the CSI to the transmitter. This semi-tutorial paper summ ..."
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The performance of multiple antenna systems can be greatly improved by making the channel state information (CSI) available at the transmitter. In practice, therefore, a finite-rate feedback link is employed to convey a quantized version of the CSI to the transmitter. This semi-tutorial paper

On the Capacity of Spatially Dense Multiple Antenna Systems 1

by Nicolae Chiurtu, Bixio Rimoldi, Emre Telatar, Volker Pauli
"... Nowadays it is widely understood that the use of multiple antennas at both ends of a communication system can greatly increase the capacity of the link. In particular, if the entries of the channel transfer matrix are assumed to be i.i.d. Gaussian ..."
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Nowadays it is widely understood that the use of multiple antennas at both ends of a communication system can greatly increase the capacity of the link. In particular, if the entries of the channel transfer matrix are assumed to be i.i.d. Gaussian

The Impact of Using Multiple Antennas on Wireless Localization

by Konstantinos Kleisouris, Yingying Chen, Jie Yang
"... Abstract—We show that signal strength variability can be reduced by employing multiple low-cost antennas at fixed locations. We further explore the impact of this reduction on wireless localization by analyzing a representative set of algorithms ranging from fingerprint matching, to statistical maxi ..."
Abstract - Cited by 11 (7 self) - Add to MetaCart
Abstract—We show that signal strength variability can be reduced by employing multiple low-cost antennas at fixed locations. We further explore the impact of this reduction on wireless localization by analyzing a representative set of algorithms ranging from fingerprint matching, to statistical

Multiple-Antenna Differential Lattice Decoding

by Cong Ling, Wai Ho Mow, Kwok H. Li, Alex C. Kot - IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS , 2005
"... From a lattice viewpoint, Clarkson, Sweldens and Zheng significantly reduced the complexity of multiantenna differential decoding. Their approximate decoding algorithm, however, has not unleashed the full potential of lattice decoding. In this paper, we present several improved algorithms, generally ..."
Abstract - Cited by 13 (4 self) - Add to MetaCart
of the lattice defined in this paper is independent of the number of receive antennas, which results in not only lower complexity, but also better performance for a multiantenna receiver.

Turbo Coding and Decoding for Multiple Antenna Channels

by Joseph Boutros, Nicolas Gresset, Loïc Brunel - International Symposium on Turbo Codes , 2003
"... In this paper, we design bit-interleaved coded modulations for multiple antenna channels under iterative detection and decoding. Binary QAM mappings and linear space-time precoders are fine tuned by the mean of a genie method that assumes perfect a priori information. We also describe the constructi ..."
Abstract - Cited by 24 (14 self) - Add to MetaCart
In this paper, we design bit-interleaved coded modulations for multiple antenna channels under iterative detection and decoding. Binary QAM mappings and linear space-time precoders are fine tuned by the mean of a genie method that assumes perfect a priori information. We also describe
Results 31 - 40 of 5,800