Channel state information (CSI)
On capacity of fading channels with no channel state information
... on information transfer over highly time varying ...the channel variations become fast and the receiver is unable to track the channel during the predefined block ...the channel capacity and ...
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Protect sensitive information against channel state information based attacks
... Abstract—Channel state information (CSI) has been recently shown to be useful in performing security attacks in public WiFi ...WiFi channel interfer- ence to introduce noise into the ...
10
Interference management with mismatched partial channel state information
... requires channel state information (CSI) in order to determine what resources are actually ...This information is acquired through feedback channel which is subject to several ...
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Stochastic signaling in the presence of channel state information uncertainty
... in channel state information ...imperfect channel coefficient at the transmitter is analyzed, and it is shown that optimal signals can be represented by a randomization between at most two ...
11
An Efficient Cross-Layer Scheduling with Partial Channel State Information
... a heuristic scheduler design maximizes the system throughput while providing fairness between users in an OFDMA system was proposed. All of these cross-layer designs were targeted for system with homogeneous uses only. ...
6
Delayed Channel State Information: Incremental Redundancy with Backtrack Retransmission
... Abstract—In many practical wireless systems, the Signal-to- Interference-and-Noise Ratio (SINR) that is applicable to a certain transmission, referred to as Channel State Information (CSI), can only ...
7
Review paper on Massive 5G Wireless Systems with Channel State Information
... if Channel State Information (CSI) is known at BS uplink and downlink operate on orthogonal channels - TDD and FDD ...slow/fast channel fading conditions, several authors suggested adaptive ...
6
Recent Advances in Acquiring Channel State Information in Cellular MIMO Systems
... MTA-BME Information Systems Research Group, Budapest, ...available channel state information (CSI) has a large impact on the system ...
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Capacity of Multiple-Antenna Systems With Both Receiver and Transmitter Channel State Information
... Fig. 2 plots the exact capacity of the optimal adaptive transmis- sion scheme for the multiple transmit antenna system with a single re- ceiver antenna. Also shown in Fig. 2 is the capacity of a similar system with only ...
13
Find Me A Safe Zone:A Countermeasure for Channel State Information Based Attacks
... b Metalab, School of Computing and Communications, Lancaster University, UK Abstract Recently, channel state information (CSI) is shown to be an effective side-channel to perform attacks in ...
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Fast compression of OFDM channel state information with constant frequency sinusoidal approximation
... This approach is guided by our mathematical finding that the linear combination of sinusoids on constant frequen- cies can approximate any given sinusoid very well, which is explained in more details in Section 3. ...
14
Resource Allocation in MU OFDM Cognitive Radio Systems with Partial Channel State Information
... In wireless communications, the assumption that the transmitter has perfect channel state information (CSI) is often unreasonable, due to feedback delays, estimation errors, and quantization errors. ...
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BER analysis of TDD downlink multiuser MIMO systems with imperfect channel state information
... available channel state information (CSI) at the transmitter ...through channel reciprocity to generate the precoding matrix in the downlink ...and channel estimation error between CSI ...
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SUB-OPTIMAL AND ROBUST DOWNLINK BEAMFORMING IN WIRELESS NETWORKS WITH IMPERFECT CHANNEL STATE INFORMATION
... Two methods of beamforming have been addressed in MIMO wireless communica- tions, the first consider the minimization of transmitted power for predefined SINR at the receiver and the second approach consider maximization ...
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Multi-User Networks with Outdated Channel State Information
... to-date channel state information at the transmitter (CSIT) is a necessary requirement for achieving the multiplexing gains, referred to in the literature also as degrees of freedom ...no ...
146
Review Article A Survey of User Authentication Based on Channel State Information
... of channel state information and outline the fundamental principle of user ...dynamic channel state information pro file and implement user authentication by exploring the ...
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Effective channel state information (CSI) feedback for MIMO systems in wireless broadband communications
... the channel state information at the transmitter ...the channel capacity and also the performance of MIMO systems have been increased with the design of feedback ...
96
Performance limit of AOA based localization using MIMO OFDM channel state information
... Their channel state information is generally obtained each time by a base station receiver as soon as a data packet is successfully received from a mobile ...MIMO-OFDM channel state ...
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EFFECTIVE CHANNEL STATE INFORMATION (CSI) FEEDBACK FOR MIMO SYSTEMS IN WIRELESS BROADBAND COMMUNICATIONS
... the channel state information at the transmitter ...the channel capacity and also the performance of MIMO systems have been increased with the design of feedback ...
96
Channel Capacity Bounds in the Presence of Quantized Channel State Information
... feedback channel, has been investigated in ...of channel capacity in the cases where the channel SNR is not fixed but changes within each quantization region for a long ...
15