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ICUMT
2009
10 years 9 months ago
Performance of relay-enabled uplink in cellular networks - a flow level analysis
Uplink users in cellular networks, such as UMTS/ HSPA, located at the edge of the cell generally suffer from poor channel conditions. Deploying intermediate relay nodes is seen as ...
Desislava C. Dimitrova, Hans van den Berg, Geert J...
ICMCS
2009
IEEE
148views Multimedia» more  ICMCS 2009»
10 years 9 months ago
Classification-Based relay selection for video streaming over wireless multihop networks
Real-time streaming of audiovisual content over wireless networks is emerging as an important technology in multimedia communication. In this paper, we present a classification-ba...
Mei-Hsuan Lu, Yu-Hsiang Bosco Chiu, Tsuhan Chen
ICC
2009
IEEE
101views Communications» more  ICC 2009»
10 years 9 months ago
Adaptive Bitrate and Resource Allocation for Relay-Assisted ARQ Transmissions
Automatic repeat request (ARQ) protocols deal with the situations where the selected data rate is not supported by the current channel realization. The inappropriate selection is m...
Adrian Agustin, Josep Vidal, Olga Muñoz
ICC
2009
IEEE
135views Communications» more  ICC 2009»
10 years 9 months ago
Adaptive Compress-and-Forward Relaying in Fading Environments with or without Wyner-Ziv Coding
Abstract--Compress-and-Forward is a protocol for transmission over relay networks in which the relay forwards a compressed version of the signal it observes. The compression method...
Harold H. Sneessens, Luc Vandendorpe, J. Nicholas ...
GLOBECOM
2009
IEEE
10 years 9 months ago
Selecting a Spatially Efficient Cooperative Relay
Cooperative relaying is a communication technique in wireless networks where neighboring nodes assist communication pairs to mitigate the negative effects of multi-path fading. The...
Nikolaj Marchenko, Evsen Yanmaz, Helmut Adam, Chri...
GLOBECOM
2009
IEEE
10 years 9 months ago
Cooperative Uplink of Two Mobile Stations with Network Coding Based on the WiMax LDPC Code
We consider the uplink of two mobile stations with the help of one common relay. Recently, joint network-channel coding based on LDPC codes was proposed for this setup where the ch...
Lena Chebli, Christoph Hausl, Georg Zeitler, Ralf ...
GLOBECOM
2009
IEEE
10 years 9 months ago
Downlink Distributed Beamforming through Relay Networks
Beamforming and relaying are two methods of improving wireless system performance. Until now, these techniques have been considered separately. In this paper, a single source (base...
Yi Zheng, Steven D. Blostein
ACCESSNETS
2009
Springer
10 years 9 months ago
Capacity of Two-Way Relay Channel
This paper investigates the capacity of a wireless two-way relay channel in which two end nodes exchange information via a relay node. The capacity is defined in the information-th...
Shengli Zhang, Soung Chang Liew, Hui Wang, Xiao-Hu...
SECON
2010
IEEE
10 years 9 months ago
Two-Tiered Constrained Relay Node Placement in Wireless Sensor Networks: Efficient Approximations
In a wireless sensor network, short range multihop transmissions are preferred to prolong the network lifetime due to super-linear nature of energy consumption with communication d...
Dejun Yang, Satyajayant Misra, Xi Fang, Guoliang X...
SECON
2010
IEEE
10 years 9 months ago
Distributed Routing, Relay Selection, and Spectrum Allocation in Cognitive and Cooperative Ad Hoc Networks
Throughput maximization is a key challenge in cognitive radio ad hoc networks, where the availability of local spectrum resources may change from time to time and hopby-hop. To ach...
Lei Ding, Tommaso Melodia, Stella N. Batalama, Joh...
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