space-time wireless communication channel
Space-Time Coded OFDM for High Data rate Wireless Communication over Wideband Channels
... compared time-chosen fading channels and ...the time-selectivity product array is the input parameter to describe the associated fading channel outage ...that space-time codes with huge ...
6
Space-Time Coding and Space-Time Channel Modelling for Wireless Communications
... non-coherent space-time coded wireless communication ...non-coherent space-time coded systems operating over spatially correlated fading channels using a moment-generating ...
32
Space Time Codes for Wireless Optical Communications
... A space-time channel coding technique is presented for overcoming turbulence-induced fading in an atmospheric optical hetero- dyne communication system that uses multiple transmit and receive ...
10
Enhanced Security Frame Work for Smart IoT Environment using Received Signal Strength
... private communication between two IoT ...between wireless nodes (say Alice and Bob) is to extract secret bits from the inherently random spatial and temporal variations of the reciprocal wireless ...
7
Optical wireless MIMO communication
... the space capacity to improve the data transmitting performance, and also increases the wireless space coverage of the ...the channel fading effect and minimize the error ...to space ...
225
A Study on Space Time Block Code and Space Frequency Block Code with MIMO-OFDM in Wireless Communication Systems
... OFDM (Orthogonal frequency division multiplexing) is the dominant air interface standard for wireless communication system. Now a day, the demand of high data rate with high efficiency is very difficult to ...
6
Performance Evaluation of Mobile Wireless Communication Channel
... A wireless network is a rising new technology that will permit users to access services and information by electronic means, irrespective of their geographic ...location. Wireless networks can be divided in ...
5
Free Space Optical Communication against Channel Fading
... As mentioned earlier, the signal level at a receiver in a wireless system fluctuates or fades. Spatial diversity gain mitigates fading and is realized by providing the receiver with multiple (ideally independent) ...
5
Performance Evaluation of Mobile Wireless Communication Channel In Hilly Area
... A wireless network is a rising new technology that will permit users to access services and information by electronic means, irrespective of their geographic ...location. Wireless networks can be divided in ...
5
Analysis The Effect Of Diversity Technique On A Multi-user Wideband Cdma (w-cdma) Communication System
... a wireless communication system considering AWGN ...Alamouti space time block coded multi-user W-CDMA communication system over AWGN channels using BPSK modulation ...
7
Review of Data Communication in Wireless Fading Channel and a Case Study
... RCID technique is applied on the Q-PSK signal constellation to analyze the performance of the communication system. We have derived the expression for Symbol Error Probability (SEP) for Q-PSK signal constellation ...
7
Information Theoretic Limits for Wireless Information Transfer Between Finite Spatial Regions
... the channel capacity of band limited wavefields observed on the edge of a limited source-free disk region over a finite time ...free space wave propagation in ...for communication. We show ...
218
Space Time Codes and Concatenated Channel Codes for Wireless Communications
... During the early 1970s, FEC codes were incorporated in various deep-space and satellite communications systems and, in the 1980s, they also became common in virtually all cellular mobile radio systems. However, ...
33
SPACE TIME CODING TECHNIQUE FOR WIRELESS COMMUNICATION USING MIMO SYSTEM FOR CHANNEL ESTIMATION
... The loss of transmitting signal power due to distance between transmitting node and receiving node, also called path loss and measured in decibel (dB) ratio between transmitting and receiving power. The path loss is ...
9
Channel Capacity Enhancement Of Wireless Communication Using Mimo Technology
... the time changing nature of the wireless channel using some form of (at least partial) ...MIMO channel but its specific will be ...specific channel models are being proposed it will ...
10
INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES MANAGEMENT BER ANALYSIS THROUGH WIMAX PHY LAYER OVER AN AWGN FLAT FADING CHANNEL Deepak Sharma *1 , Meenakshi Chourasiya 2
... The output is converted to serial and a cyclic extension is added to make the system robust to multipath propagation. In channel, additive white Gaussian noise characteristics are taken. The receiver performs the ...
5
Signal Detection in Space-Time Coded Communication Systems with Imperfect Channel Estimation and Carrier Frequency Offset
... of space-time coding detection techniques and the attempts that have been made to overcome its challenges, after which we highlight the approach we intend to take to deal with these ...of ...
108
Wireless and Ubiquity Communication to Bridge the Gap of Space and Time between Patient and Medical Service Provider
... ZigBee wireless technology to monitor heartbeat of adult as well as ...range communication, low power consumption and low ...easy communication without wires and cables around the home, factories and ...
5
Space Time Block Code Analysis for MIMO OFDM System
... It is clear from the above that with the increase in symbols i.e with higher techniques, there is an improvement over the BER and errors at various Input SNR, 64 QAM has least BER and error followed by 16QAM and 16PSK ...
7
Design and Implementation of Free Space Optics
... of wireless communication is increasing day by ...fiber communication, all these types of communication systems have their own advantages and disadvantages in their own field and are being ...
5