multiple data-rate systems
A user centric economic driven paradigm for rate allocation in non orthogonal multiple access wireless systems
... lower data rate and energy effi- ciency, and in some cases even collapse due to the ab- sence of control over the corresponding price that the end user is penalized by the ...increased data ...
14
Efficient low-complexity data detection for multiple-input multiple-output wireless communication systems
... for multiple- input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) and multiple- input multiple-output single-carrier frequency division multiple access (MIMO ...
215
Data-precoded algorithm for multiple-relay-assisted systems
... When comparing the PRA scheme against DRA, we observe an improvement of 2.5 dB for BER = 10 -3 . This gain is due to the precoding used in the proposed scheme, which avoids the use of a higher modulation order. More- ...
15
A Feature Analysis of MIMO Techniques for Next Generation Mobile WIMAX Communication Systems
... and data rate ...Modern multiple antenna systems can be designed to take benefit of multipath as compared to traditional single antenna ...with multiple antenna systems, the ...
11
On Bandwidth Efficient Modulation for High Data Rate Wireless LAN Systems
... the data symbols are mapped onto the most reliable subcarriers; the pad bits, the least reliable ...the data subcarriers may still not be allocated any power; however, there are fewer of those data ...
13
On the Impact of Antenna Correlation on the Pilot-Data Balance in Multiple Antenna Systems
... input multiple output (SIMO) system, in which the mobile stations use intra-cell orthogonal pilots to facilitate uplink channel ...such systems, the problem of transmission power balancing between pilot and ...
7
Data Envelopment Analysis of systems with multiple modes of functioning
... The interpretation of the above axioms is the following. A.0 indicates that it is feasible for the system not to function in MMF m, of course without consuming any inputs or producing any outputs. A.1 indicates that the ...
29
Performance Comparison of Massive MIMO & Conventional MIMO using Blind Channel Estimation Technique
... has multiple antennas at the transmitter and receiver side to transmit multiple data streams simultaneously in wireless communication ...of data rate, capacity, and link reliability and ...
5
Performance Analysis of Qo-Stbc for Increasing Transmit Diversity in Rayleigh Fading Environment- A Review
... communication systems with high data rates has dramatically increased in recent ...MIMO systems with multiple antenna elements at both link ends are an efficient solution for future wireless ...
7
Influence of stellar multiplicity on planet formation. IV. Adaptive optics imaging of Kepler stars with multiple transiting planet candidates
... in multiple stellar systems with stellar separations smaller than 20 ...multiplicity rate was dif fi cult to measure without high-resolution and deep-imaging data that provide sensitivity to ...
15
SPACE TIME CODING TECHNIQUE FOR WIRELESS COMMUNICATION USING MIMO SYSTEM FOR CHANNEL ESTIMATION
... as multiple-input multiple-output (MIMO) system uses at both the transmitter and receiver ends of a wireless communication system to improve communication performance ...error rate (BER) or the ...
9
Privacy Preserving Data Access to Cloud
... current systems stress on protection of data stored in the cloud servers without giving much thought and consideration to the protection of data during user ...of data is a technique that is ...
6
BER Performance of MIMO-OFDM System using STTC
... error rate performance for multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems in new transmission ...pilot data at the receiver ...
5
Data-Rate Driven Transmission Strategies for Deep Learning Based Communication Systems
... non-orthogonal multiple access [5]–[10]. For these conventional communication systems, there exist a number of limitations, such as unavailable channel state information in complex transmission scenario, ...
47
Investigations of high bit rate optical transmission systems employing a channel data rate of 40 Gb/s
... and multiple channels with channel data rates of 40 Gb/s, which represents a compromise between electronics and ...based systems can enable an improved system capacity and an enhanced spectral ...
211
Modelling and Performance Analysis of Massive MIMO OFDM Wireless System with Turbo Encoding
... high data rate transmission in wireless communication, robustness to multipath fading, high spectral efficiency and high flexibility in resource ...high data rate transmission over multipath ...
5
STC-Mimo Block Spread OFDM in Frequency Selective AWGN Channels
... OFDM systems transmit multiple parallel low bandwidth channels of data through a wideband ...high data rate providing transmission using low bandwidth sub channels within the allocated ...
7
Bit Error Rate Calculation Method for Multiple-hop Relay Systems
... years, multiple-input multi-output (MIMO) technology using multiple antennas at both the access point (base station) and user terminal sides has become a popular research field of next-generation mobile ...
5
1. Review on light fidelity (li-fi)
... Li-Fi system is based on Visible Light Communications (VLC). It’s the next version of Wi-Fi and is very fast and cheap. VLC utilizes visible light between 430 THz (700 nm) and 770 THz (390 nm) as optical carrier for ...
5
An Empirical Data Cleaning Technique for CFDs
... possible data inconsistencies and the sheer data volume and the data cleaning is considered to be one of the biggest problems in data ...in data dramatically reduce the value of ...
6