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Proceedings ArticleDOI

Mobility Based MIMO Link Adaptation in LTE-Advanced Cellular Networks

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TLDR
A signal-to-noise-ratio(SNR) cum mobility based MIMO/MCS link adaptation to enhance the overall performance of the LTE downlink is proposed.
Citations
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Seamless Wireless Connectivity for Multimedia Services in High Speed Trains

TL;DR: This paper presents a novel LTE-based solution to support high throughput and continuous multimedia services for high speed train passengers based on a Cell Array that smartly organizes the cells along a railway, together with a femto cell service that aggregates traffic demands within individual train cabins.
Journal ArticleDOI

A survey on resource allocation techniques in OFDM(A) networks

TL;DR: The goal is to discuss the fundamental concepts and relevant features of different radio resource management criteria, including water-filling, max–min fairness, proportional fairness, cross-layer optimization, utility maximization, and game theory, also including a toy example with two terminals to compare the performance of the different schemes.

LTE-Advanced: Requirements and Technical Challenges for 4G Cellular Network

TL;DR: The paper provides a higher level overview of LTE-Advanced, which includes carrier aggregation for efficient spectrum use, MIMO techniques for multiple signal transmissions and receptions, relaying and heterogeneous deployment strategy.
Patent

Apparatus and Method for Link Adaptation in Uplink Grant-less Random Access

TL;DR: In this paper, link adaptation in uplink grant-less-random access (RA) communications is discussed. But the authors focus on the uplink uplink and do not consider the non-link-based condition of the UE.
Proceedings ArticleDOI

Information Retrieval and Social Tagging for Digital Libraries Using Formal Concept Analysis

TL;DR: A novel semantic web application developed to deliver a collaborative tagging system for a digital on-line museum based on Formal Concept Analysis the extensible distributed data model to support collaborative tagging and its web services implementation.
References
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Journal ArticleDOI

A simple transmit diversity technique for wireless communications

TL;DR: This paper presents a simple two-branch transmit diversity scheme that provides the same diversity order as maximal-ratio receiver combining (MRRC) with one transmit antenna, and two receive antennas.
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Layered space-time architecture for wireless communication in a fading environment when using multi-element antennas

TL;DR: This paper addresses digital communication in a Rayleigh fading environment when the channel characteristic is unknown at the transmitter but is known (tracked) at the receiver with the aim of leveraging the already highly developed 1-D codec technology.
Journal ArticleDOI

Single carrier FDMA for uplink wireless transmission

TL;DR: Among the possible subcarrier mapping approaches, it is found that localizedFDMA (LFDMA) with channel-dependent scheduling (CDS) results in higher throughput than interleaved FDMA (JFDMA), however, the PARR performance of IFDMA is better than that of LFDMA.
Journal ArticleDOI

A soft-input soft-output APP module for iterative decoding of concatenated codes

TL;DR: This letter describes the SISO APP module that updates the APP corresponding to the input and the output bits, of a code, and shows how to embed it into an iterative decoder for a new hybrid concatenation of three codes, to fully exploit the benefits of the proposed S ISO APP module.
Proceedings ArticleDOI

Space-frequency coded broadband OFDM systems

TL;DR: This work investigates the use of space-time coding in OFDM-based broadband systems where both spatial and frequency diversity are available and derives the design criteria for space-frequency codes and provides simulation results studying the influence of delay spread, propagation parameters, and antenna spacing.
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We propose a signal-to-noise-ratio(SNR) cum mobility based MIMO/MCS link adaptation to enhance the overall performance of the LTE downlink.