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University of Sunderland
(20 results)-
Whitepapers
Maximizing Average Energy Efficiency for Two-User AWGN Broadcast Channel
March 11, 2011, 12:00am PST
Energy consumption has become an increasingly important aspect of wireless communications, from both an economical and environmental point of view. New enhancements are being placed on mobile...
Provided by University of Sunderland
-
Whitepapers
A Closed-Loop Control Traffic Engineering System for the Dynamic Load Balancing of Inter-AS Traffic
May 25, 2012, 12:00am PDT
Inter-AS outbound Traffic Engineering (TE) is a set of techniques for controlling inter-AS traffic exiting an Autonomous System (AS) by assigning the traffic to the best egress points (i.e....
Provided by University of Sunderland
-
Whitepapers
Distributed Interference-Aware Admission Control With Soft Resource Allocation for Hybrid MAC in Wireless Mesh Networks
May 24, 2012, 12:00am PDT
Supporting Quality of Service (QoS) while fulfilling high efficiency of bandwidth utilization is challenging in wireless mesh networks. To deal with this issue, hybrid Medium Access Control (MAC)...
Provided by University of Sunderland
-
Whitepapers
Compressive Autonomous Sensing (CASe) for Wideband Spectrum Sensing
May 24, 2012, 12:00am PDT
Compressive spectrum sensing techniques present many advantages over traditional spectrum sensing approaches, e.g., low sampling rate, and reduced energy consumption. However, when the spectral...
Provided by University of Sunderland
-
Whitepapers
Spraying the Replication Probability With Geographic Assistance for Delay Tolerant Networks
May 24, 2012, 12:00am PDT
Receiving great interest from the research community, Delay Tolerant Networks (DTNs) are a type of Next Generation Networks (NGNs) proposed to bridge communication in challenged environments. In...
Provided by University of Sunderland
-
Whitepapers
Distributed MAC Scheduling Mechanism Based on Resource Reservation for IEEE 802.11e-Based Multi-Hop Wireless Networks
March 12, 2012, 12:00am PDT
Multi-hop wireless communication is playing a key role in today's communication networks. Despite several advancements in communication protocols and technologies, QoS provisioning is still a...
Provided by University of Sunderland
-
Whitepapers
Energy-Efficiency Based Resource Allocation for the Scalar Broadcast Channel
March 12, 2012, 12:00am PDT
Until recently, link adaptation and resource allocation for communication system relied extensively on the spectral efficiency as an optimization criterion. With the emergence of the Energy...
Provided by University of Sunderland
-
Whitepapers
Selecting Users in Energy-Efficient Collaborative Spectrum Sensing
March 12, 2012, 12:00am PDT
Cognitive radio network is defined as an intelligent wireless communication network that should be able to adaptively reconfigure its communication parameters to meet the demands of the...
Provided by University of Sunderland
-
Whitepapers
A Mobility Vector Based Routing Algorithm for Delay Tolerant Networks Using History Geographic Information
March 12, 2012, 12:00am PDT
The concept of Delay Tolerant Networks (DTNs) are proposed to facilitate communication in challenged mobile wireless networks using the Store-Carry-Forward (SCF) routing behavior. In this paper,...
Provided by University of Sunderland
-
Whitepapers
Deploying IP Multimedia Subsystem (IMS) Services in Future Mobile Networks
December 9, 2010, 12:00am PST
The Third Generation Partnership Project (3GPP) has proposed the Long Term Evolution and System Architecture Evolution (LTE/SAE) as the next stage of technologies aimed at overcoming the...
Provided by University of Sunderland
-
Whitepapers
Energy-Efficient Resource Allocation in Wireless OFDMA Systems
June 21, 2010, 12:00am PDT
Reducing the consumed energy in wireless communication systems has a direct impact on operational expenditure as well as CO2 emissions. With increasing interest in multimedia applications and high...
Provided by University of Sunderland
-
Whitepapers
Plaintext Awareness in Identity-Based Key Encapsulation
September 29, 2012, 12:00am PDT
The notion of Plaintext Awareness (PA) has many applications in public key cryptography: it offers unique, stand-alone security guarantees for public key encryption schemes, has been used as a...
Provided by University of Sunderland
-
Whitepapers
On the Multicell Processing Capacity of the Cellular MIMO Uplink Channel in Correlated Rayleigh Fading Environment
January 19, 2009, 12:00am PST
In the context of cellular systems, it has been shown that multi-cell processing can eliminate inter-cell interference and provide high spectral efficiencies with respect to traditional...
Provided by University of Sunderland
-
Whitepapers
Information Theoretic Uplink Capacity of the Linear Cellular Array
September 28, 2007, 12:00am PDT
In the information-theoretic literature, the Wyner's model has been the starting point for studying the capacity limits of cellular systems. Wyner's simple infinite cellular model was adopted and...
Provided by University of Sunderland
-
Whitepapers
Capacity of Cellular Uplink with Multiple Tiers of Users and Path Loss
January 30, 2008, 12:00am PST
With the emergence and continuous growth of wireless data services, the value of a wireless network is not only defined by how many users it can support, but also by its ability to deliver higher...
Provided by University of Sunderland
-
Whitepapers
Information Theoretic Capacity of a Gaussian Cellular Multiple-Access MIMO Fading Channel
May 23, 2008, 12:00am PDT
Capacity can be increased by exploiting the space dimension inherent to any wireless communication system. Recent information theoretic results show that simultaneous use of multiple receive and...
Provided by University of Sunderland
-
Whitepapers
Energy Aware Transmission in Cellular Uplink with Clustered Base Station Cooperation
February 18, 2011, 12:00am PST
The authors provide an analytical formula to evaluate the performance of the uplink of planar cellular networks when joint processing is enabled among limited number of base stations in a...
Provided by University of Sunderland
-
Whitepapers
Performance of Multicell Joint Processing Planar Cellular Uplink in the Presence of Relay Nodes
May 14, 2012, 12:00am PDT
In this paper, the authors compare the uplink performance of various deployment scenarios in the planar (hexagonal) cellular system where the received signals at multiple cells are jointly...
Provided by University of Sunderland
-
Whitepapers
Interference Allowance in Clustered Joint Processing and Power Allocation
September 21, 2009, 12:00am PDT
The authors derive an analytical formula for the sum rate of the uplink of a linear network of cells when clustered joint processing is adopted among the base stations in a generalised fading...
Provided by University of Sunderland
-
Whitepapers
An Improved Link Adaptation Scheme for High Speed Downlink Packet Access
April 15, 2008, 12:00am PDT
Adaptive Modulation and Coding (AMC) is one of the important features of High-Speed Downlink Packet Access (HSDPA). The link adaptation is done at the Node-B on the basis of Channel Quality...
Provided by University of Sunderland
-
Whitepapers
An Improved Link Adaptation Scheme for High Speed Downlink Packet Access
April 15, 2008, 12:00am PDT
Adaptive Modulation and Coding (AMC) is one of the important features of High-Speed Downlink Packet Access (HSDPA). The link adaptation is done at the Node-B on the basis of Channel Quality...
Provided by University of Sunderland
-
Whitepapers
Interference Allowance in Clustered Joint Processing and Power Allocation
September 21, 2009, 12:00am PDT
The authors derive an analytical formula for the sum rate of the uplink of a linear network of cells when clustered joint processing is adopted among the base stations in a generalised fading...
Provided by University of Sunderland
-
Whitepapers
Performance of Multicell Joint Processing Planar Cellular Uplink in the Presence of Relay Nodes
May 14, 2012, 12:00am PDT
In this paper, the authors compare the uplink performance of various deployment scenarios in the planar (hexagonal) cellular system where the received signals at multiple cells are jointly...
Provided by University of Sunderland
-
Whitepapers
Energy Aware Transmission in Cellular Uplink with Clustered Base Station Cooperation
February 18, 2011, 12:00am PST
The authors provide an analytical formula to evaluate the performance of the uplink of planar cellular networks when joint processing is enabled among limited number of base stations in a...
Provided by University of Sunderland
-
Whitepapers
Information Theoretic Capacity of a Gaussian Cellular Multiple-Access MIMO Fading Channel
May 23, 2008, 12:00am PDT
Capacity can be increased by exploiting the space dimension inherent to any wireless communication system. Recent information theoretic results show that simultaneous use of multiple receive and...
Provided by University of Sunderland
-
Whitepapers
Capacity of Cellular Uplink with Multiple Tiers of Users and Path Loss
January 30, 2008, 12:00am PST
With the emergence and continuous growth of wireless data services, the value of a wireless network is not only defined by how many users it can support, but also by its ability to deliver higher...
Provided by University of Sunderland
-
Whitepapers
Information Theoretic Uplink Capacity of the Linear Cellular Array
September 28, 2007, 12:00am PDT
In the information-theoretic literature, the Wyner's model has been the starting point for studying the capacity limits of cellular systems. Wyner's simple infinite cellular model was adopted and...
Provided by University of Sunderland
-
Whitepapers
On the Multicell Processing Capacity of the Cellular MIMO Uplink Channel in Correlated Rayleigh Fading Environment
January 19, 2009, 12:00am PST
In the context of cellular systems, it has been shown that multi-cell processing can eliminate inter-cell interference and provide high spectral efficiencies with respect to traditional...
Provided by University of Sunderland
-
Whitepapers
Plaintext Awareness in Identity-Based Key Encapsulation
September 29, 2012, 12:00am PDT
The notion of Plaintext Awareness (PA) has many applications in public key cryptography: it offers unique, stand-alone security guarantees for public key encryption schemes, has been used as a...
Provided by University of Sunderland
-
Whitepapers
Energy-Efficient Resource Allocation in Wireless OFDMA Systems
June 21, 2010, 12:00am PDT
Reducing the consumed energy in wireless communication systems has a direct impact on operational expenditure as well as CO2 emissions. With increasing interest in multimedia applications and high...
Provided by University of Sunderland
-
Whitepapers
Deploying IP Multimedia Subsystem (IMS) Services in Future Mobile Networks
December 9, 2010, 12:00am PST
The Third Generation Partnership Project (3GPP) has proposed the Long Term Evolution and System Architecture Evolution (LTE/SAE) as the next stage of technologies aimed at overcoming the...
Provided by University of Sunderland
-
Whitepapers
A Mobility Vector Based Routing Algorithm for Delay Tolerant Networks Using History Geographic Information
March 12, 2012, 12:00am PDT
The concept of Delay Tolerant Networks (DTNs) are proposed to facilitate communication in challenged mobile wireless networks using the Store-Carry-Forward (SCF) routing behavior. In this paper,...
Provided by University of Sunderland
-
Whitepapers
Selecting Users in Energy-Efficient Collaborative Spectrum Sensing
March 12, 2012, 12:00am PDT
Cognitive radio network is defined as an intelligent wireless communication network that should be able to adaptively reconfigure its communication parameters to meet the demands of the...
Provided by University of Sunderland
-
Whitepapers
Energy-Efficiency Based Resource Allocation for the Scalar Broadcast Channel
March 12, 2012, 12:00am PDT
Until recently, link adaptation and resource allocation for communication system relied extensively on the spectral efficiency as an optimization criterion. With the emergence of the Energy...
Provided by University of Sunderland
-
Whitepapers
Distributed MAC Scheduling Mechanism Based on Resource Reservation for IEEE 802.11e-Based Multi-Hop Wireless Networks
March 12, 2012, 12:00am PDT
Multi-hop wireless communication is playing a key role in today's communication networks. Despite several advancements in communication protocols and technologies, QoS provisioning is still a...
Provided by University of Sunderland
-
Whitepapers
Spraying the Replication Probability With Geographic Assistance for Delay Tolerant Networks
May 24, 2012, 12:00am PDT
Receiving great interest from the research community, Delay Tolerant Networks (DTNs) are a type of Next Generation Networks (NGNs) proposed to bridge communication in challenged environments. In...
Provided by University of Sunderland
-
Whitepapers
Compressive Autonomous Sensing (CASe) for Wideband Spectrum Sensing
May 24, 2012, 12:00am PDT
Compressive spectrum sensing techniques present many advantages over traditional spectrum sensing approaches, e.g., low sampling rate, and reduced energy consumption. However, when the spectral...
Provided by University of Sunderland
-
Whitepapers
Distributed Interference-Aware Admission Control With Soft Resource Allocation for Hybrid MAC in Wireless Mesh Networks
May 24, 2012, 12:00am PDT
Supporting Quality of Service (QoS) while fulfilling high efficiency of bandwidth utilization is challenging in wireless mesh networks. To deal with this issue, hybrid Medium Access Control (MAC)...
Provided by University of Sunderland
-
Whitepapers
A Closed-Loop Control Traffic Engineering System for the Dynamic Load Balancing of Inter-AS Traffic
May 25, 2012, 12:00am PDT
Inter-AS outbound Traffic Engineering (TE) is a set of techniques for controlling inter-AS traffic exiting an Autonomous System (AS) by assigning the traffic to the best egress points (i.e....
Provided by University of Sunderland
-
Whitepapers
Maximizing Average Energy Efficiency for Two-User AWGN Broadcast Channel
March 11, 2011, 12:00am PST
Energy consumption has become an increasingly important aspect of wireless communications, from both an economical and environmental point of view. New enhancements are being placed on mobile...
Provided by University of Sunderland
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