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(6230 results)-
Whitepapers
A Decentralized Downlink Beamforming Algorithm for Multicell Processing
November 21, 2012 12:00am PST
In this paper, the authors tackle the problem of intercell-interference in the absence of cooperation amongst Base Stations (BSs). The problem originates from the simultaneous transmissions of...
Provided by: Kings College London
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Whitepapers
Coordinated Multi-Cell Beamforming Scheme Using Uplink-Downlink Max-Min SINR Duality
November 21, 2012 12:00am PST
In this paper, a new analytical expression of the max-min SINR duality between the multi-cell downlink and the virtual uplink subject to per-BS power constraints is firstly given. Based on that, a...
Provided by: SouthEast SAS Users Group
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Whitepapers
Coordinated Relay Beamforming Based on the Worst-Case SINR in Multicell Wireless Systems
November 21, 2012 12:00am PST
This paper studies the coordinated multicell downlink transmission to cope with the severe Inter-Cell Interference (ICI) in future cellular systems. The authors propose an iterative scheme to...
Provided by: Swansea Metropolitan University
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Whitepapers
Power Control and Scheduling for Joint Detection Cooperative Cellular Systems
November 21, 2012 12:00am PST
Cooperative joint detection in the uplink of cellular systems is a promising means to combat inter-cell interference. In fact, interference from other users in the same cooperation cluster is...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Efficient Communications in Mobile Hybrid Wireless Networks
November 21, 2012 12:00am PST
In this paper, the authors present an efficient routing protocol for Mobile Hybrid Wireless Networks (MHWNs), which consists of an infrastructure wireless network and a few mobile ad hoc networks....
Provided by: Temple Skin Care
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Whitepapers
Optimal Intra-Cell Cooperation in the Heterogeneous Relay Networks
November 21, 2012 12:00am PST
Heterogeneous wireless networks have emerged as a new paradigm to meet the fast increasing wireless capacity and coverage demands. Cooperative communication is a promising technique to further...
Provided by: Utah Section PGA
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Whitepapers
Macro Transmission Power Reduction for HetNet Co-Channel Deployments
November 21, 2012 12:00am PST
Enhanced Inter-Cell Interference Coordination (eICIC) techniques are targeted to improve the system and cell-edge throughput of Heterogeneous Networks (HetNets) in LTE-Advanced systems. In order...
Provided by: Aalborg University
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Whitepapers
Towards an Optimal User Association in Heterogeneous Cellular Networks
November 21, 2012 12:00am PST
The authors investigate how a heterogeneous cellular network should self-organize by proposing a load-aware user association scheme. This is an important consideration, in order to move traffic...
Provided by: University of Teramo
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Whitepapers
Downlink Coverage Analysis in a Heterogeneous Cellular Network
November 21, 2012 12:00am PST
In this paper, the authors consider the downlink Signal-to-Interference-plus-Noise Ratio (SINR) analysis in a heterogeneous cellular network with K tiers. Each tier is characterized by a...
Provided by: University of Colombo School of Computing
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Whitepapers
Statistical Analysis of COB-Based Location Estimation in Cellular Mobile Radio Systems
November 21, 2012 12:00am PST
Count-Of-Beacon (COB) is a new fundamental radiolocation technique which is resistant to the nonexistence of line-of-sight path. However, the way that cells are populated has a direct impact on...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Multi-Cell Distributed Interference Cancellation for Co-Operative Pico-Cell Clusters
November 21, 2012 12:00am PST
Alternative wireless topologies, e.g., an underlay network of Pico-cells, are increasingly seen as being necessary to enhance capacity and coverage in next generation wireless systems. Such...
Provided by: Northwestern University
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Whitepapers
Adaptive Partitioned Interference Management in Cellular Networks
November 21, 2012 12:00am PST
This paper proposes an adaptive and scalable approach to resource allocation in cellular networks. The authors introduce an adaptive strategy to form clusters of coordinating base stations,...
Provided by: University of Toledo
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Whitepapers
Energy Efficiency and Deployment Efficiency Tradeoff for Heterogeneous Wireless Networks
November 21, 2012 12:00am PST
To meet the global challenge of reducing greenhouse gas emissions and the explosion demand of wireless data traffic, green architecture design is becoming a critical issue for mobile network...
Provided by: Huawei Technologies
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Whitepapers
Decentralized Linear Transceiver Design in Coordinated Multi-Cell Multiuser MIMO Systems
November 21, 2012 12:00am PST
This paper considers a downlink linear transmit and receive beamformer design in a coordinated multi-cell network where each multiantenna Base Station (BS) serves its own set of multiple antenna...
Provided by: University of Ottawa
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Whitepapers
Spectral-Energy Efficiency Tradeoff in Multicell Cellular Networks With Adaptive Relay Cooperation
November 21, 2012 12:00am PST
By observing that the Relay Stations (RSs) will receive a signal replica of the users' transmissions during the broadcast phase, the authors propose an adaptive relay cooperation scheme. The RSs...
Provided by: Crown
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Whitepapers
A Mutual-Information Based Power Allocation Algorithm for Multi-Layer Rate Splitting Scheme in Tri-sectored Wireless Networks
November 21, 2012 12:00am PST
Cell-edge users inevitably suffer from strong interference from adjacent cells, and consequently their throughput will decrease. Recent investigations show that the Han-Kobayashi (HK) rate...
Provided by: Intel
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Whitepapers
A Non-asymptotic Throughput for Massive MIMO Cellular Uplink with Pilot Reuse
November 21, 2012 12:00am PST
This paper considers an uplink massive MIMO scheme that employs a pilot reuse scheme. For the massive MIMO scheme, a non-asymptotic cell throughput lower bound that is valid for any M is derived...
Provided by: University of Teramo
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Whitepapers
Performance of Precoding Assisted Dual-Polarized Multi-Cell MIMO Downlink Communications
November 21, 2012 12:00am PST
Conventional uni-polarized Multiple Input Multiple Output (MIMO) antenna systems offer the advantages of higher data rate and higher reliability through the use of spatial multiplexing and...
Provided by: Institute of Electrical and Electronics Engineers
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Whitepapers
On the Pareto-Optimal Beam Structure and Design for Multi-User MIMO Interference Channels
November 20, 2012 12:00am PST
Multi-user multiple antenna interference channels have gained intensive interest from research communities in recent years because of the significance of proper interference control in current and...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Modeling, Analysis and Design for Carrier Aggregation in Heterogeneous Cellular Networks
November 16, 2012 12:00am PST
Carrier Aggregation (CA) and Heterogeneous base stations (HetNets) and are two distinct features of next-generation cellular networks. CA increases transmission bandwidth by aggregating multiple...
Provided by: University of Texas at Arlington
