Edited by: Salah Eddine El Ayoubi, Yeon Jeong, Oh-Soon Shin and Yoan Shin
Advanced Technologies for LTE Advanced
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Citation: EURASIP Journal on Wireless Communications and Networking 2013 2013:25
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Kalman interpolation filter for channel estimation of LTE downlink in high-mobility environments
The estimation of fast-fading LTE downlink channels in high-speed applications of LTE advanced is investigated in this article. In order to adequately track the fast time-varying channel response, an adaptive ...
Citation: EURASIP Journal on Wireless Communications and Networking 2012 2012:232 -
Uplink interference protection and scheduling for energy efficient OFDMA networks
One of the key challenges for future orthogonal frequency division multiple access-based networks is inter-cell interference coordination. With full frequency reuse and small inter-site distances, coping with ...
Citation: EURASIP Journal on Wireless Communications and Networking 2012 2012:180 -
Low complexity PAPR reduction methods for carrier-aggregated MIMO OFDMA and SC-FDMA systems
New generation wireless systems target to support much higher data rate which requires larger bandwidth than the existing systems. Lack of contiguous spectrum resources and the compatibility requirement with t...
Citation: EURASIP Journal on Wireless Communications and Networking 2012 2012:179 -
A decentralized spectrum allocation and partitioning scheme for a two-tier macro-femtocell network with downlink beamforming
This article examines spectrum allocation and partitioning schemes to mitigate cross-tier interference under downlink beamforming environments. The enhanced SIR owing to beamforming allows more femtocells to s...
Citation: EURASIP Journal on Wireless Communications and Networking 2012 2012:160 -
Optimizing distance, transmit power, and allocation time for reliable multi-hop relay system
In multi-hop relay systems, the end-to-end channel capacity is restricted by bottleneck node. In order to prevent some relay nodes from being the bottleneck of system and to guarantee the end-to-end channel ca...
Citation: EURASIP Journal on Wireless Communications and Networking 2012 2012:153 -
Resource management issues for multi-carrier relay-enhanced systems
Relaying is one of the enabling techniques for next generation systems. Factors deciding on performance of relay-enhanced systems are the resource allocation and coordination. The capacity of the wireless rela...
Citation: EURASIP Journal on Wireless Communications and Networking 2012 2012:124 -
A resource block organization strategy for scheduling in carrier aggregated systems
Carrier aggregation (CA) is a promising technology that will allow IMT-Advanced system candidates to achieve spectrum bandwidths of up to 100 MHz using available system resource blocks (RB), even if these are ...
Citation: EURASIP Journal on Wireless Communications and Networking 2012 2012:107 -
Implementing opportunistic spectrum access in LTE-advanced
Long term evolution advanced (LTE-A) has emerged as a promising mobile broadband access technology aiming to cope with the increasing traffic demand in wireless networks. However, the enhanced spectral efficie...
Citation: EURASIP Journal on Wireless Communications and Networking 2012 2012:99 -
Cooperative relaying in OFDMA networks based on the joint use of hierarchical modulation and link adaptation
In cooperative relaying, the base station broadcasts a signal to the destination, the relay overhears it and forwards it in a next time slot to the destination. The latter combines the two received copies of t...
Citation: EURASIP Journal on Wireless Communications and Networking 2012 2012:88 -
Determinant-based MIMO scheduling with reduced pilot overhead
In a multiuser multiple-input multiple-output (MU-MIMO) cellular system where there are many candidate users, it is critical to select a user group which maximizes the overall throughput of the system. However...
Citation: EURASIP Journal on Wireless Communications and Networking 2012 2012:71 -
Overview of enabling technologies for 3GPP LTE-advanced
As the long term evolution (LTE) standard comes to an end, 3rd Generation Partnership Project is discussing further evolution of the LTE to meet the international mobile telecommunications advanced requirement...
Citation: EURASIP Journal on Wireless Communications and Networking 2012 2012:54 -
Low-complexity multiuser MIMO downlink system based on a small-sized CQI quantizer
It is known that the conventional semi-orthogonal user selection based on a greedy algorithm cannot provide a globally optimal solution due to its semi-orthogonal property. To find a more optimal user set and ...
Citation: EURASIP Journal on Wireless Communications and Networking 2012 2012:36