Results 21 to 30 of about 145,380 (224)
Performance Analysis of Compressive Sensing based LS and MMSE Channel Estimation Algorithm
Journal of Communications Software and Systems, 2021 In this paper, we have developed and implemented Minimum Mean Square Channel Estimation with Compressive Sensing (MMSE-CS) algorithm in MIMO-OFDM systems.
Ami Munshi, Srija Unnikrishnan
doaj +1 more source
On the performance of SU-MIMO and MU-MIMO in 3GPP LTE downlink [PDF]
, 2009 LTE (Long Term Evolution) is a next major step in mobile radio communications, and will be introduced as Release 8 in the 3rd Generation Partnership Project (3GPP). The new evolution aims to reduce delays, improve spectrum flexibility and reduce cost for
Beh, KC, Doufexi, A, Armour, SMD
core +1 more source
GA Based Estimation of Sparse MIMO Channels with Superimposed Training
Elektronika ir Elektrotechnika, 2018 Multiple-input multiple-output (MIMO) techniques are foreseen to play a vital role in future 5G cellular networks. This paper presents a novel approach that employs genetic algorithm (GA) to estimate the sparse uplink MIMO channels using superimposed ...
Babar Mansoor +4 more
doaj +1 more source
BER Performance of MIMO-FTN-OWC Communication over Log-normal Fading Channel
Guangtongxin yanjiu, 2022 Faster-than-Nyquist (FTN) technology can improve the spectral efficiency of Optical Wireless Communications (OWC). However, it is affected by the artificially introduced Inter-Symbol Interference (ISI) and atmospheric turbulence, which leads to the ...
Wen-wen LI +4 more
doaj +1 more source
A Compact Ultra-Wideband Chip Antenna with Bandwidth Extension Patch and Simple Isolator for MIMO Systems for Mobile Handheld Terminals [PDF]
Journal of Electromagnetic Engineering and Science, 2022 A compact ultra-wideband (UWB) chip antenna that has high isolation for multi-input multi-output (MIMO) systems is presented in this paper. The antenna is composed of a chip antenna, a printed circuit board, and an isolator stub.
Jung-Nam Lee +2 more
doaj +1 more source
2012 IEEE Global Communications Conference (GLOBECOM), 2012 In a generic switching problem, a switching pattern consists of a one-to-one mapping from a set of inputs to a set of outputs (i.e., a permutation). We propose and investigate a wireless switching framework in which a multi-antenna relay is responsible for switching traffic among a set of $N$ stations. We refer to such a relay as a MIMO switch.
Fanggang Wang 0001, Soung Chang Liew
openaire +3 more sources
A line-of-sight optimised MIMO architecture for outdoor environments [PDF]
, 2006 The authors present an investigation on the capacity of Line-of-Sight (LoS) optimised and conventional (narrow-spaced) Multiple-Input Multiple-Output (MIMO) communication systems in outdoor environments. Under a LoS scenario, the channel is normally rank
Sarris, I +4 more
core +1 more source
Capacity limits of MIMO channels with co-channel interference [PDF]
, 2004 We consider both analytically and via Monte Carlo simulation the variation of the information theoretic capacity of multiple-input, multiple output (MIMO) communication systems.
Nix, AR +5 more
core +1 more source
IEEE Signal Processing Magazine, 2008 Radio regulatory bodies are recognizing that the rigid spectrum assignment granting exclusive use to licensed services is highly inefficient, due to the high variability of the traffic statistics across time, space, and frequency. Recent Federal Communications Commission (FCC) measurements show that, in fact, the spectrum usage is typically ...
Gesualdo Scutari +2 more
openaire +4 more sources
IMPLEMENTING CHANNEL ESTIMATION AND MODULATION TECHNIQUES USING MIMO-PSK [PDF]
Proceedings on Engineering SciencesWireless communication must be designed with the inbuilt characteristics inclusive of high data rates, transmission efficiency, high quality of data transmission and multimedia transmission in communication framework.
K. R. Priya Dharshini , R. Kalaivani
doaj +1 more source