Results 11 to 20 of about 137 (117)

The DoF region of two‐user MIMO broadcast channel with delayed imperfect‐quality CSIT

open access: yesElectronics Letters, 2022
The channel state information at the transmitter (CSIT) play an important role in the performance of wireless networks. The CSIT model can be delayed and imperfect‐quality, since the feedback link has a delay and the channel state information (CSI ...
Tong Zhang
doaj   +2 more sources

The Degrees of Freedom Region of Temporally Correlated MIMO Networks With Delayed CSIT [PDF]

open access: yesIEEE Transactions on Information Theory, 2014
We consider the temporally-correlated Multiple-Input Multiple-Output (MIMO) broadcast channels (BC) and interference channels (IC) where the transmitter(s) has/have (i) delayed channel state information (CSI) obtained from a latency-prone feedback channel as well as (ii) imperfect current CSIT, obtained, e.g., from prediction on the basis of these past
Xinping Yi, Sheng Yang, David Gesbert
exaly   +6 more sources

Degrees of Freedom of Multi-Hop MIMO Broadcast Networks with Delayed CSIT [PDF]

open access: yesIEEE Wireless Communications Letters, 2013
We study the sum degrees of freedom (DoF) of a class of multi-layer relay-aided MIMO broadcast networks with delayed channel state information at transmitters (CSIT). In the assumed network a K-antenna source intends to communicate to K single-antenna destinations, with the help of N-2 layers of K full-duplex single-antenna relays.
Ming Xiao, Mikael Skoglund
exaly   +4 more sources

Advancements in hybrid rice production: improvements in male sterility and synthetic apomixis for sustainable agriculture. [PDF]

open access: yesPlant Biotechnol J
Summary Rice serves as a staple food for approximately half of the world's population, and enhanced yields from hybrid rice play a crucial role in ensuring food security and augmenting incomes. However, the annual purchase and high cost of hybrid seeds hinder widespread hybrid rice adoption.
Moon S   +3 more
europepmc   +2 more sources

Blind wiretap channel with delayed CSIT [PDF]

open access: yes2014 IEEE International Symposium on Information Theory, 2014
This work has been presented in part at the IEEE International Symposium on Information Theory 2014 and IEEE Globecom ...
Sina Lashgari, Amir Salman Avestimehr
openaire   +3 more sources

Outage behavior with delay and CSIT [PDF]

open access: yes2004 IEEE International Conference on Communications (IEEE Cat. No.04CH37577), 2004
The packet outage probability for fading channels can be significantly reduced by exploiting queuing delay and transmitter channel information is demonstrated in this paper. Queuing delay gain is conceptually similar to delay diversity, but at a packet time-scale instead of symbol time-scale.
Dinesh Rajan   +2 more
openaire   +1 more source

Correlation analysis of olfactory function with cognitive function and motor symptoms in patients with Parkinson's disease

open access: yesChinese Journal of Contemporary Neurology and Neurosurgery, 2021
Objective To investigate the correlation of olfactory function and cognitive function and motor symptoms in patients with primary Parkinson's disease (PD).
CHEN Xing   +7 more
doaj   +1 more source

A Novel Tri-Staged RIA Scheme for Cooperative Cell Edge Users in a Multi-Cellular MIMO IMAC

open access: yesIEEE Access, 2022
In the real world of wireless communication systems, one solution to the practical limitation of interference alignment in terms of global channel state information at the transmitter (CSIT) requirement is to consider a linear precoding approach that ...
Vivek Menon U, Poongundran Selvaprabhu
doaj   +1 more source

MISO broadcast channel with delayed and evolving CSIT [PDF]

open access: yes2013 IEEE International Symposium on Information Theory, 2013
The work considers the two-user MISO broadcast channel with gradual and delayed accumulation of channel state information at the transmitter (CSIT), and addresses the question of how much feedback is necessary, and when, in order to achieve a certain degrees-of-freedom (DoF) performance.
Jinyuan Chen, Petros Elia
openaire   +2 more sources

Uplink Multiple Access for Reconfigurable Intelligent Surface‐Aided Wireless Systems

open access: yesWireless Communications and Mobile Computing, Volume 2022, Issue 1, 2022., 2022
The integration of reconfigurable intelligent surface‐ (RIS‐) aided wireless communication and multiple access is an attractive and promising scheme for next‐generation wireless networks. In this research work, separate uplink RIS‐aided nonorthogonal multiple access (NOMA) and uplink relay‐assisted NOMA schemes are studied, where the RIS and relay ...
Nhan Duc Nguyen   +3 more
wiley   +1 more source

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