multiple antenna fading channels
CDMA Downlink Transmission with Transmit Antenna Arrays and Power Control in Multipath Fading Channels
... an antenna array to achieve diversity gains or antenna gains so as to improve the system ...a fading environment, the antenna ele- ments should be separated sufficiently far apart to experience ...
14
Tracking Performance of an Adaptive Transmit Beamspace Beamformer in Dynamic Miso Wireless Channels
... uplink channels in a multipath environment are generally not the same, and the measured uplink channel cannot be directly applied as a reciprocal ...the channels from the base station antennas to the mobile ...
19
End to End Performance of Multiple Input Multiple Output Relay Transmission Link over Rayleigh Fading Channels
... a multiple-input-multiple-output (MIMO) relay system over a flat Rayleigh fading channel to study the performance in terms of outage probability (OP) and the average bit error rate (ABER) of the ...
6
Polarimetric Vector Receivers for CDMA Multipath Signals
... tor antenna systems on multipath fading ...vector antenna receivers for code-division multiple-access (CDMA) signals in the presence of multipath signal ...of antenna arrays in CDMA ...
120
Performance Comparison of MIMO Systems over AWGN and Rician Channels using OSTBC4 with Zero Forcing Receivers
... – Multiple-input multiple-output (MIMO) are used in wireless communications to achieve high data rates within the limited frequency ...uses multiple transmitting and receiving antennas so as to ...
7
Title: Improved Space Time Block Coding Diversity Technique for Rayleigh Fading Channel in Wireless Systems
... In this paper, the performance of MIMO systems are evaluated for Alamouti and STBC via both theoretical analysis and simulation results. In both scenarios, the use of QAM Modulation provides a significant performance ...
10
Performance Analysis of OFDM-Based Decode-and-Forward Relay Network with Multiple Interferers over Rayleigh Fading Channels
... use multiple DF relays with SNR threshold, the selected relays retransmit the same signals to the destination node in the TDM ...single-input- multiple-output (SIMO) ...
15
Adaptive antennas at the mobile and base stations in an OFDM/TDMA system
... joint multiple transmission and reception filters ...transmit antenna weights and minimum mean-square-error (MMSE) receive antenna weights are proposed for multi- channel communication systems, but ...
12
Transmitter Diversity and Multiuser Precoding for Rayleigh Fading Code Division Multiple Access Channels
... using multiple transmitter antennas provides similar performance gains as for the mobile station (MS) receiver diversity without the complexity of a second MS receiver ...
133
Wireless energy harvesting using signals from multiple fading channels
... n is a complex Gaussian random variable with mean zero and variance 2β 2 as well as independent real and imaginary parts. This is the case when the harvester harvests energy from simultaneous transmissions, such as ...
14
Optimizing time and space MIMO antenna system for frequency selective fading channels
... in antenna sizes and also the use of note- book computers in wireless computing applications may make this feasible in the future ...tiple-input multiple-output (MIMO) channels [10], [11] or joint ...
13
On Comparison Analysis of Multiple Interference MIMO Systems with Un Correlated Rician Fading Channels
... Vector channels, or multiple-input multiple-output (MIMO) channels, represent a very general description for a wide range of ...(Single-Input Multiple-Output) channels as special ...
5
Multiple Symbol Decision Feedback Space Time Differential Decoding in Fading Channels
... of antenna array spatial diversity and chan- nel coding, can provide significant capacity gains in wireless ...the fading channel state information (CSI) is available at the receiver for coherent ...fast ...
8
New Multiple Antennas Method based Energy Detector for Cognitive Radio over Fading Channels
... Nakagami- fading channels with asingle antenna, under ...[12], fading channels can be roughly divided into two types: (1) Large-scale fading due to (a) Path loss and (b) ...
6
Rayleigh Fading Multi Antenna Channels
... Rayleigh fading and per- fect channel knowledge at the receiver, various channel ca- pacity computations are carried out in Section ...the multiple access space-time channel capacity is shown to be ...
14
Modelling and Simulation of Multipath Fading Channels for Comparative Analysis of Different M-Array Modulation Schemes
... of multiple antennas to improve energy/spectral efficiency. Antenna diversity reception techniques are used extensively in fading channels to reduce the effect of flat fading on system ...
12
Performance analysis for cooperative wireless communications
... AF relaying can be further categorized into relays with channel state information (CSI) and relays without CSI (blind relaying). For the former case, the relays can use instantaneous CSI of the first hop to control the ...
255
Performance of Space Division Multiple Access Systems Communicating over Nakagami Fading Channels
... Abslracf- Performance of a space-division multiple-access SDMA system is investigated, when the space-time block coded signals based on two transmit antennas are transmitted over Nakagam[r] ...
5
Bi-Level Fh-Cdma Scheme For Communication Systems Over Rayleigh And Rician Channels
... The bi-level scheme is more flexible for selecting modulation codes and FH-patterns because each element of the modulation codes needs to be conveyed by an element of the FH-pattern. So it can be used in different ...
6
Outage Probability of Vehicular Networks under Unreliable Backhaul
... Future wireless networks are expected to be more dense and heterogeneous to satisfy the growing data demand. Heterogeneous networks (HetNets) can be exploited to cope with the increasing demand. In HetNets, small cells ...
5