• No results found

Wireless channels

Application of the Evidence Procedure to the Estimation of Wireless Channels

Application of the Evidence Procedure to the Estimation of Wireless Channels

... multiple channels by proposing a new graphical Bayesian model, where a single evidence parameter controls each multipath component observed with multiple ...

23

Adaptive Coding and Transmission Paradigms for Wireless Channels

Adaptive Coding and Transmission Paradigms for Wireless Channels

... Driven by the urge to support high data rates for a wide range of bearer services, Tarokh, Seshadri and Calderbank [70] proposed space-time trellis codes in 1998. By jointly designing the FEC, modulation, transmit ...

8

Design of FIR Precoders and Equalizers for Broadband MIMO Wireless Channels with Power Constraints

Design of FIR Precoders and Equalizers for Broadband MIMO Wireless Channels with Power Constraints

... of wireless spectrum have prompted the consid- eration in recent years of multiantenna wireless communica- tion systems that can support much higher data rates [1, 2, 3] than traditional single-input ...

13

An Integrated Signature Indexing Technique for Information Broadcasting over the Multi-level Wireless Channels

An Integrated Signature Indexing Technique for Information Broadcasting over the Multi-level Wireless Channels

... In the broadcast-based system, a broadcast program is needed which is used to construct the data sequence i.e. to the order of data items to broadcast. The main issue to generate a broadcast program is to minimize the ...

5

A Generalized Algorithm for the Generation of Correlated Rayleigh Fading Envelopes in Wireless Channels

A Generalized Algorithm for the Generation of Correlated Rayleigh Fading Envelopes in Wireless Channels

... Although generation of correlated Rayleigh fading envelopes has been intensively considered in the literature, all conventional methods have their own shortcomings, which seriously impede their applicability. A very ...

15

Digital Modulation Techniques for Performance Exploration of Optical Wireless Channels

Digital Modulation Techniques for Performance Exploration of Optical Wireless Channels

... M is an orthogonal modulation scheme for a wireless optical communications. When its comparison is done with all other remaining modulation schemes it is found that among them M P.P.M has the highest power ...

11

A Study of DAS delays and their Impact on the Wireless Channels with Application to Indoor Localization

A Study of DAS delays and their Impact on the Wireless Channels with Application to Indoor Localization

... the wireless industry for the last 9 years I have observed a need for a test equipment and design tools that predict and estimate the final performance of a deployed Distributed Antenna System (DAS) ...

99

Efficient Bidirectional DFE for Doubly Selective Wireless Channels

Efficient Bidirectional DFE for Doubly Selective Wireless Channels

... selective channels, equalization is ...dispersive channels, it is well known that nonlinear equalization outperforms linear equalization, due to its ability of reducing ISI by means of interference ...

10

Fading Characteristics over Wireless Channels

Fading Characteristics over Wireless Channels

... Multipath fading is seen to be an issue in many instances since the transmitted signals can take multiple paths to travel and as a result the received signal strengths at the receiving end decreases. In this study, we ...

8

Impulse response modeling for underwater optical wireless channels

Impulse response modeling for underwater optical wireless channels

... In this paper, we focus on the temporal dispersion of the fading-free line-of-sight (LOS) UOWC channel and investigate the channel impulse response in turbid water. Recently, Monte- Carlo simulations have been carried ...

9

Equalization and Decoding for Multiple Input Multiple Output Wireless Channels

Equalization and Decoding for Multiple Input Multiple Output Wireless Channels

... multipath channels, each with L + 1 ...multipath channels is approximated by the performance of a (1, D) system with maximal ratio combin- ing in flat ...

18

Power Ratio Enhancement of an Optical Wireless Channels

Power Ratio Enhancement of an Optical Wireless Channels

... of wireless communication for more details, we refer the reader ...Optical wireless communication systems offer a number of advantages over radio frequency (RF) communication ...Optical wireless ...

8

Voice Compression and Communications: Principles and Applications for Fixes and Wireless Channels

Voice Compression and Communications: Principles and Applications for Fixes and Wireless Channels

... The book has been written by the staff in the Electronics and Computer Science De- partment at the University of Southampton. We are indebted to our many colleagues who have enhanced our understanding of the subject. ...

258

On Enhancements of Physical Layer Secret Key Generation and Its Application in Wireless Communication Systems

On Enhancements of Physical Layer Secret Key Generation and Its Application in Wireless Communication Systems

... of wireless channels, channel response of the forward channel (from the transmitter to the receiver) is identical, in theory, to the channel response of the backward channel (from the receiver to the ...

106

Initial Results on Deep Learning-Based Pilot Contamination Mitigation in Massive MIMO Systems

Initial Results on Deep Learning-Based Pilot Contamination Mitigation in Massive MIMO Systems

... estimate wireless channels and that the possibility of mitigating pilot-contamination with deep-learning is possible given that the leaning model underwent an extensive training-phase and that it has been ...

10

Analytical Investigation of Channel Capacity of UWB MIMO Systems

Analytical Investigation of Channel Capacity of UWB MIMO Systems

... [4] Molisch, A.F., Steinbauer, M., Toeltsch, M., Bonek, E. and Thoma, R.S. (2002) Ca- pacity of MIMO Systems Based on Measured Wireless Channels. IEEE Journal on Selected Areas in Communications , 20, ...

8

On Limits of Multi-Antenna Wireless Communications in Spatially Selective Channels

On Limits of Multi-Antenna Wireless Communications in Spatially Selective Channels

... Multiple-Input Multiple-Output (MIMO) communications systems using multi- antenna arrays simultaneously during transmission and reception have generated significant interest in recent years. Theoretical work in the mid ...

24

Efficient method of MMSE Channel Estimation for MIMO-OFDM Using Spatial and Temporal Correlations

Efficient method of MMSE Channel Estimation for MIMO-OFDM Using Spatial and Temporal Correlations

... of wireless MIMO channels are exploited to improve the accuracy of the channel ...where wireless channels are sparse in nature, path delays of different transmit- receive antenna pairs share a ...

7

Error Resilient Image Transmission over Wireless Fading Channels

Error Resilient Image Transmission over Wireless Fading Channels

... over wireless channels is becoming more use of the ...a wireless medium is not very reliable in the way that it adds unwanted components and noise to the wireless ...over wireless ...

8

Optimizing the wireless power transfer over MIMO Channels

Optimizing the wireless power transfer over MIMO Channels

... Abstract. In this paper, the optimization of the power transfer over wireless channels having multiple-inputs and multiple-outputs (MIMO) is studied. Therefore, the trans- mitter, the receiver and the MIMO ...

7

Show all 10000 documents...

Related subjects