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Beijing University of Posts and Telecommunications
(84 results)-
Whitepapers
Minimizing Electricity Cost in Geographical Virtual Network Embedding
November 21, 2012, 12:00am PST
In light of rapid increase of electricity cost, many business organizations have to find new ways to cut the electricity bill. This paper studies how to reduce the electricity cost in geographical...
Provided by Beijing University of Posts and Telecommunications
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Whitepapers
Topology-Aware Virtual Network Embedding Through Bayesian Network Analysis
November 21, 2012, 12:00am PST
Multiple heterogeneous virtual networks are given the ability to run on a shared infrastructure simultaneously as independent slices in the network virtualization environment. However, a major...
Provided by Beijing University of Posts and Telecommunications
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Whitepapers
Mobile Wireless Sensor Networks: Architects for Pervasive Computing
February 18, 2011, 12:00am PST
A mobile wireless sensor network owes its name to the presence of mobile sink or sensor nodes within the network. The advantages of mobile wireless sensor network over static wireless sensor...
Provided by Beijing University of Posts and Telecommunications
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Whitepapers
An Efficient Parallel Algorithm with Partial Decision Feedback for Near-Optimal MIMO Detection
October 27, 2009, 12:00am PDT
Maximum-Likelihood Detection (MLD) is the optimal scheme for Multiple-Input Multiple-Output (MIMO) channels. However, due to its exponentially high complexity, many alternative algorithms,...
Provided by Beijing University of Posts and Telecommunications
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Whitepapers
A Novel Observe-and-Forward Scheme in Wireless Cooperative Relaying Systems
October 27, 2009, 12:00am PDT
In this paper, a novel Observe-and-Forward (OF) cooperative scheme is proposed for relay-enhanced wireless cooperative systems. In this scheme, the codewords transmitted from the source are...
Provided by Beijing University of Posts and Telecommunications
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Whitepapers
A Truthful and Low-Overhead Routing Protocol for Ad Hoc Networks
April 1, 2013, 12:00am PDT
Nodes in wireless ad hoc networks depend on others for forwarding packets hop by hop. However, nodes may behave selfishly and do not forward packets for saving their limited resources. Approaches...
Provided by Beijing University of Posts and Telecommunications
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Whitepapers
Research on Neighboring APs Discovery Methods in PnP WLAN
March 11, 2008, 12:00am PDT
To overcome the disadvantage in traditional manual configuration method for WLANs, such as the high configuration and maintenance cost and low efficiency of system performance, the authors propose...
Provided by Beijing University of Posts and Telecommunications
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Whitepapers
Performance Analysis of Channel-aware Multichannel CSMA in Wireless Networks
April 15, 2008, 12:00am PDT
Need arises to increase the network throughput by broadening the bandwidth. One effectively approaches are multichannel technique in which multiple separate frequency channels are used for...
Provided by Beijing University of Posts and Telecommunications
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Whitepapers
Multi-User MIMO Systems Using Semi-Orthogonal Space Division Multiplexing with Alamouti Code
April 15, 2008, 12:00am PDT
In this paper, a multi-user Multiple Input Multiple Output (MIMO) system using semi-Orthogonal Space Division Multiplexing (semi-OSDM) and single-user QR-triangular detection with Alamouti code is...
Provided by Beijing University of Posts and Telecommunications
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Whitepapers
Reliable Transmission of H.264 Video over Wireless Network
April 15, 2008, 12:00am PDT
In this paper, the authors present a new error robust method for H.264 video transmission. This scheme uses Unequal Error Protection (UEP) and Automatic Repeat Request (ARQ) protocol to provide...
Provided by Beijing University of Posts and Telecommunications
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Whitepapers
System Analysis of Imperfect Adaptive Beam Forming Antenna for TDD HSDPA
April 15, 2008, 12:00am PDT
Adaptive beam forming antenna, which is adopted in TDD HSDPA system, has been proved to be an effective way to improve the system performance. In the realistic system, however, the high...
Provided by Beijing University of Posts and Telecommunications
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Whitepapers
A Cell Based Dynamic Spectrum Management Scheme with Interference Mitigation for Cognitive Networks
April 15, 2008, 12:00am PDT
The scarcity of spectrum resource in future wireless networks has inspired the demand of Dynamic Spectrum Management (DSM). This paper investigates a Cell Based Dynamic Spectrum Management (CBDSM)...
Provided by Beijing University of Posts and Telecommunications
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Whitepapers
A New Architecture of HSS Based on Cloud Computing
September 15, 2011, 12:00am PDT
IP Multimedia Subsystem (IMS) is the key technology of the Next Generation Network (NGN) and the optimal solution of mobile and fixed network convergence which is approved by the public. Home...
Provided by Beijing University of Posts and Telecommunications
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White Papers
A Novel Virtual Network Mapping Algorithm for Cost Minimizing
February 6, 2011, 12:00am PST
Resources assigned to virtual network are not optimal resources, which are caused by some scarce resources. To solve this problem, this paper proposes a novel virtual network mapping algorithm...
Provided by Beijing University of Posts and Telecommunications
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White Papers
Improved Performance of the Basic Array of a Microstrip Adaptive Antenna Using a Tree Structure of Patch Fed by Electromagnetic Coupling
February 6, 2011, 12:00am PST
The aim of this paper is to improve the performance of a basic microstrip antenna array using a tree structure patch supplied by electromagnetic coupling. The developed network which contains two...
Provided by Beijing University of Posts and Telecommunications
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White Papers
Enhanced IMS Handoff Mechanism for QoS Support Over Heterogeneous Network
July 21, 2010, 12:00am PDT
IP Multimedia Subsystem (IMS) is over IP network architecture, but mobile IP cannot directly support session mobility controlled by session initiation protocol-based signaling. The long signaling...
Provided by Beijing University of Posts and Telecommunications
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White Papers
Downlink Scheduling and Radio Resource Allocation in Adaptive OFDMA Wireless Communication Systems for User-Individual QoS
September 7, 2010, 12:00am PDT
In this paper, the authors address the problem of adaptive Radio Resource Allocation (RRA) and packet scheduling in the downlink of a cellular OFDMA system, and propose a downlink Multi-carrier...
Provided by Beijing University of Posts and Telecommunications
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White Papers
An Energy-Efficient Virtual MIMO Transmission Scheme for Cluster-Based Wireless Sensor Networks
August 27, 2010, 12:00am PDT
In this paper, a cluster-based virtual Multiple-Input Multiple-Output (MIMO) transmission scheme is proposed for energy-constrained wireless sensor networks. Compared with previous work, there are...
Provided by Beijing University of Posts and Telecommunications
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White Papers
Investigation of Cooperation Technologies in Heterogeneous Wireless Networks
February 2, 2010, 12:00am PST
Heterogeneous wireless networks based on varieties of Radio Access Technologies (RATs) and standards will coexist in the future. In order to exploit this potential multiaccess gain, it is required...
Provided by Beijing University of Posts and Telecommunications
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White Papers
Impact of Deployment Size on the Asymptotic Capacity for Wireless Ad Hoc Networks Under Gaussian Channel Model
December 5, 2010, 12:00am PST
In this paper, the authors studied the impact of the size of the deployment region on the asymptotic unicast and multicast throughput capacity for wireless networks under Gaussian channel model....
Provided by Beijing University of Posts and Telecommunications
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White Papers
Energy-Efficient Transmission Schemes in Cooperative Cellular Systems
September 1, 2010, 12:00am PDT
Energy-efficient communication is an important requirement for mobile devices, as the battery technology has not kept up with the growing requirements stemming from ubiquitous multimedia...
Provided by Beijing University of Posts and Telecommunications
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White Papers
K-Means Based Clustering on Mobile Usage for Social Network Analysis Purpose
February 11, 2011, 12:00am PST
The development of mobile network technology provides a great potential for social networking services. This paper studied data mining for social network analysis purpose, which aims at find...
Provided by Beijing University of Posts and Telecommunications
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White Papers
Interference Mitigation for Coexistence of Heterogeneous Ultra-Wideband Systems
June 20, 2010, 12:00am PDT
Two Ultra-WideBand (UWB) specifications, that is, Direct-Sequence (DS) UWB and MultiBand-Orthogonal Frequency Division Multiplexing (MB-OFDM) UWB, have been proposed as the candidates of the IEEE...
Provided by Beijing University of Posts and Telecommunications
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White Papers
Energy-Aware Combinatorial Scheduling in Cloud Datacenter
February 28, 2012, 12:00am PST
Cloud Computing is evolving as a key computing platform for sharing resources that include infrastructures, software, applications, and business processes. As the scale of cloud datacenter becomes...
Provided by Beijing University of Posts and Telecommunications
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White Papers
Energy-Aware and Revenue-Enhancing Combinatorial Scheduling in Virtualized of Cloud Datacenter
January 1, 2012, 12:00am PST
As the scale of cloud datacenter becomes larger and larger, the energy consumption and revenue enhancing of the cloud datacenter will grow rapidly. How to improve high-throughput computing...
Provided by Beijing University of Posts and Telecommunications
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White Papers
An Optimization Method for P2P Resource Scheduling
March 1, 2012, 12:00am PST
Because the information exchange between peers of P2P application system is limited by the real network topology, effective resource scheduling technology becoming an important issue. Without...
Provided by Beijing University of Posts and Telecommunications
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White Papers
Forwarders Selection Mechanism Based on Packets Transmission Rate for Opportunistic Routing in Wireless Mesh Network
March 1, 2012, 12:00am PST
In this paper, a novel routing metric TRE (Transmission Rate based on EEPEST (End-to-End Probability of Effective Successful Transmission)) is proposed to choose the forwarder list, which is based...
Provided by Beijing University of Posts and Telecommunications
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White Papers
Unified Authentication Scheme Based on IBE in Trusted Network
February 1, 2012, 12:00am PST
The existing unified authentication schemes are based on Public Key Infrastructure (PKI)/Privilege Management Infrastructure (PMI), WS-Security, Kerberos etc. But they can't support the developing...
Provided by Beijing University of Posts and Telecommunications
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White Papers
A Novel Analytical Model for IEEE802.11e WLANs With 3-D Markov Chain
February 1, 2012, 12:00am PST
IEEE 802.11e is specified to provide prioritized Quality of Service (QoS) guarantee in Wireless Local Area Networks (WLANs). A comprehensive investigation of the performance of Enhanced...
Provided by Beijing University of Posts and Telecommunications
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White Papers
Supernode Election Algorithm in P2P Network Based Upon District Partition
January 1, 2011, 12:00am PST
Nowadays the idea of Peer-To-Peer (P2P) has been used in many fields, such as file sharing, cooperative processing, information sharing and communication etc. According to the definition, the...
Provided by Beijing University of Posts and Telecommunications
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White Papers
UWB Channel Estimation Based on Distributed Bayesian Compressive Sensing
February 1, 2011, 12:00am PST
In order to solve the high sampling rate issue in the multiuser UWB communication network system, the authors process the received signal with Bayesian compressive sensing. Using the...
Provided by Beijing University of Posts and Telecommunications
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White Papers
Fixed Relay Random Access Protocol for Cooperative Network
May 31, 2011, 12:00am PDT
This paper presents a fixed relay nodes random access protocol which based on time division multiple access. The protocol uses the users and relay nodes cooperation retransmission mechanism to...
Provided by Beijing University of Posts and Telecommunications
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White Papers
A Novel Supernodes Election Scheme in Structured P2P Network
June 30, 2011, 12:00am PDT
Most Peer-To-Peer (P2P) applications need to elect some SuperNodes (SNs) from ordinary nodes to improve their performance. So, SuperNodes election has become an important issue in such systems....
Provided by Beijing University of Posts and Telecommunications
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White Papers
An HVS-Based JPEG Image Watermarking Method for Copyright Protection
October 1, 2011, 12:00am PDT
A practical watermarking method for the copyright protection of JPEG image is proposed in this paper. By operating the pixel matrix of depressed the JPEG image, the authors can use the DCT...
Provided by Beijing University of Posts and Telecommunications
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White Papers
Reduce-Reference Transmission-Aware Video Quality Metric for MPEG-4 Encoded Videos Over Lossy Wireless Network
October 1, 2011, 12:00am PDT
In previous studies, Just Noticeable Distortion (JND) is proved as the most suitable index to reflect the videos' content natures. Meanwhile, transmission parameters are the major impact factors...
Provided by Beijing University of Posts and Telecommunications
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White Papers
Optimized Superimposed Training Aided Linear Time-Varying Channel Estimation Model for OFDM Systems
November 1, 2011, 12:00am PDT
The authors propose an optimized time-varying channel estimation model for mobile Orthogonal Frequency Division Multiplexing (OFDM) systems applying superimposed training in time domain to assist...
Provided by Beijing University of Posts and Telecommunications
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White Papers
A Novel Iterative Algorithm for Time-Varying Channel Estimation in OFDM Systems
December 1, 2011, 12:00am PST
A novel iterative channel estimation algorithm for Orthogonal Frequency-Division Multiplexing (OFDM) systems in fast time-varying environment is proposed. Instead of directly estimate the original...
Provided by Beijing University of Posts and Telecommunications
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White Papers
GTPP: General Truncated Pyramid Peer-to-Peer Architecture
July 16, 2009, 12:00am PDT
Hierarchical Distributed Hash Table (DHT) architectures have been among the most interesting research topics since the birth of flat DHT architecture. However, most of the previous work has merely...
Provided by Beijing University of Posts and Telecommunications
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Whitepapers
An Efficient Membership Management Scheme for Gossip-Based Overlay Multicast
February 1, 2008, 12:00am PST
An efficient membership management protocol is proposed named Gomcast (Gossip-based Overlay Multicast). Most traditional gossip solutions work well in small-scale settings, but suffer drastic...
Provided by Beijing University of Posts and Telecommunications
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Whitepapers
An Adaptive Resource Allocation Scheme in OFDMA Based Multiservice WiMAX Systems
February 20, 2008, 12:00am PST
In this paper, the authors propose a time-frequency resource allocation scheme for OFDMA based system in WiMAX access networks. They utilize a user-based scheduling scheme to reduce complexity....
Provided by Beijing University of Posts and Telecommunications
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Whitepapers
An Efficient Subband Method for Wideband Adaptive Beamforming
April 20, 2008, 12:00am PDT
An efficient subband adaptive beamformer with perfect reconstruction General Parameter Filter Banks (GPFB) for wideband array antenna is proposed in this paper, which is used to enhance...
Provided by Beijing University of Posts and Telecommunications
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Whitepapers
An Adaptive Resource Allocation Scheme in OFDMA Based Multiservice WiMAX Systems
February 20, 2008, 12:00am PST
In this paper, the authors propose a time-frequency resource allocation scheme for OFDMA based system in WiMAX access networks. They utilize a user-based scheduling scheme to reduce complexity....
Provided by Beijing University of Posts and Telecommunications
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Whitepapers
An Efficient Membership Management Scheme for Gossip-Based Overlay Multicast
February 1, 2008, 12:00am PST
An efficient membership management protocol is proposed named Gomcast (Gossip-based Overlay Multicast). Most traditional gossip solutions work well in small-scale settings, but suffer drastic...
Provided by Beijing University of Posts and Telecommunications
-
White Papers
GTPP: General Truncated Pyramid Peer-to-Peer Architecture
July 16, 2009, 12:00am PDT
Hierarchical Distributed Hash Table (DHT) architectures have been among the most interesting research topics since the birth of flat DHT architecture. However, most of the previous work has merely...
Provided by Beijing University of Posts and Telecommunications
-
White Papers
A Novel Iterative Algorithm for Time-Varying Channel Estimation in OFDM Systems
December 1, 2011, 12:00am PST
A novel iterative channel estimation algorithm for Orthogonal Frequency-Division Multiplexing (OFDM) systems in fast time-varying environment is proposed. Instead of directly estimate the original...
Provided by Beijing University of Posts and Telecommunications
-
White Papers
Optimized Superimposed Training Aided Linear Time-Varying Channel Estimation Model for OFDM Systems
November 1, 2011, 12:00am PDT
The authors propose an optimized time-varying channel estimation model for mobile Orthogonal Frequency Division Multiplexing (OFDM) systems applying superimposed training in time domain to assist...
Provided by Beijing University of Posts and Telecommunications
-
White Papers
Reduce-Reference Transmission-Aware Video Quality Metric for MPEG-4 Encoded Videos Over Lossy Wireless Network
October 1, 2011, 12:00am PDT
In previous studies, Just Noticeable Distortion (JND) is proved as the most suitable index to reflect the videos' content natures. Meanwhile, transmission parameters are the major impact factors...
Provided by Beijing University of Posts and Telecommunications
-
White Papers
An HVS-Based JPEG Image Watermarking Method for Copyright Protection
October 1, 2011, 12:00am PDT
A practical watermarking method for the copyright protection of JPEG image is proposed in this paper. By operating the pixel matrix of depressed the JPEG image, the authors can use the DCT...
Provided by Beijing University of Posts and Telecommunications
-
White Papers
A Novel Supernodes Election Scheme in Structured P2P Network
June 30, 2011, 12:00am PDT
Most Peer-To-Peer (P2P) applications need to elect some SuperNodes (SNs) from ordinary nodes to improve their performance. So, SuperNodes election has become an important issue in such systems....
Provided by Beijing University of Posts and Telecommunications
-
White Papers
Fixed Relay Random Access Protocol for Cooperative Network
May 31, 2011, 12:00am PDT
This paper presents a fixed relay nodes random access protocol which based on time division multiple access. The protocol uses the users and relay nodes cooperation retransmission mechanism to...
Provided by Beijing University of Posts and Telecommunications
-
White Papers
UWB Channel Estimation Based on Distributed Bayesian Compressive Sensing
February 1, 2011, 12:00am PST
In order to solve the high sampling rate issue in the multiuser UWB communication network system, the authors process the received signal with Bayesian compressive sensing. Using the...
Provided by Beijing University of Posts and Telecommunications
-
White Papers
Supernode Election Algorithm in P2P Network Based Upon District Partition
January 1, 2011, 12:00am PST
Nowadays the idea of Peer-To-Peer (P2P) has been used in many fields, such as file sharing, cooperative processing, information sharing and communication etc. According to the definition, the...
Provided by Beijing University of Posts and Telecommunications
-
White Papers
A Novel Analytical Model for IEEE802.11e WLANs With 3-D Markov Chain
February 1, 2012, 12:00am PST
IEEE 802.11e is specified to provide prioritized Quality of Service (QoS) guarantee in Wireless Local Area Networks (WLANs). A comprehensive investigation of the performance of Enhanced...
Provided by Beijing University of Posts and Telecommunications
-
White Papers
Unified Authentication Scheme Based on IBE in Trusted Network
February 1, 2012, 12:00am PST
The existing unified authentication schemes are based on Public Key Infrastructure (PKI)/Privilege Management Infrastructure (PMI), WS-Security, Kerberos etc. But they can't support the developing...
Provided by Beijing University of Posts and Telecommunications
-
White Papers
Forwarders Selection Mechanism Based on Packets Transmission Rate for Opportunistic Routing in Wireless Mesh Network
March 1, 2012, 12:00am PST
In this paper, a novel routing metric TRE (Transmission Rate based on EEPEST (End-to-End Probability of Effective Successful Transmission)) is proposed to choose the forwarder list, which is based...
Provided by Beijing University of Posts and Telecommunications
-
White Papers
An Optimization Method for P2P Resource Scheduling
March 1, 2012, 12:00am PST
Because the information exchange between peers of P2P application system is limited by the real network topology, effective resource scheduling technology becoming an important issue. Without...
Provided by Beijing University of Posts and Telecommunications
-
White Papers
Energy-Aware and Revenue-Enhancing Combinatorial Scheduling in Virtualized of Cloud Datacenter
January 1, 2012, 12:00am PST
As the scale of cloud datacenter becomes larger and larger, the energy consumption and revenue enhancing of the cloud datacenter will grow rapidly. How to improve high-throughput computing...
Provided by Beijing University of Posts and Telecommunications
-
White Papers
Energy-Aware Combinatorial Scheduling in Cloud Datacenter
February 28, 2012, 12:00am PST
Cloud Computing is evolving as a key computing platform for sharing resources that include infrastructures, software, applications, and business processes. As the scale of cloud datacenter becomes...
Provided by Beijing University of Posts and Telecommunications
-
White Papers
Interference Mitigation for Coexistence of Heterogeneous Ultra-Wideband Systems
June 20, 2010, 12:00am PDT
Two Ultra-WideBand (UWB) specifications, that is, Direct-Sequence (DS) UWB and MultiBand-Orthogonal Frequency Division Multiplexing (MB-OFDM) UWB, have been proposed as the candidates of the IEEE...
Provided by Beijing University of Posts and Telecommunications
-
White Papers
K-Means Based Clustering on Mobile Usage for Social Network Analysis Purpose
February 11, 2011, 12:00am PST
The development of mobile network technology provides a great potential for social networking services. This paper studied data mining for social network analysis purpose, which aims at find...
Provided by Beijing University of Posts and Telecommunications
-
White Papers
Energy-Efficient Transmission Schemes in Cooperative Cellular Systems
September 1, 2010, 12:00am PDT
Energy-efficient communication is an important requirement for mobile devices, as the battery technology has not kept up with the growing requirements stemming from ubiquitous multimedia...
Provided by Beijing University of Posts and Telecommunications
-
White Papers
Impact of Deployment Size on the Asymptotic Capacity for Wireless Ad Hoc Networks Under Gaussian Channel Model
December 5, 2010, 12:00am PST
In this paper, the authors studied the impact of the size of the deployment region on the asymptotic unicast and multicast throughput capacity for wireless networks under Gaussian channel model....
Provided by Beijing University of Posts and Telecommunications
-
White Papers
Investigation of Cooperation Technologies in Heterogeneous Wireless Networks
February 2, 2010, 12:00am PST
Heterogeneous wireless networks based on varieties of Radio Access Technologies (RATs) and standards will coexist in the future. In order to exploit this potential multiaccess gain, it is required...
Provided by Beijing University of Posts and Telecommunications
-
White Papers
An Energy-Efficient Virtual MIMO Transmission Scheme for Cluster-Based Wireless Sensor Networks
August 27, 2010, 12:00am PDT
In this paper, a cluster-based virtual Multiple-Input Multiple-Output (MIMO) transmission scheme is proposed for energy-constrained wireless sensor networks. Compared with previous work, there are...
Provided by Beijing University of Posts and Telecommunications
-
White Papers
Downlink Scheduling and Radio Resource Allocation in Adaptive OFDMA Wireless Communication Systems for User-Individual QoS
September 7, 2010, 12:00am PDT
In this paper, the authors address the problem of adaptive Radio Resource Allocation (RRA) and packet scheduling in the downlink of a cellular OFDMA system, and propose a downlink Multi-carrier...
Provided by Beijing University of Posts and Telecommunications
-
White Papers
Enhanced IMS Handoff Mechanism for QoS Support Over Heterogeneous Network
July 21, 2010, 12:00am PDT
IP Multimedia Subsystem (IMS) is over IP network architecture, but mobile IP cannot directly support session mobility controlled by session initiation protocol-based signaling. The long signaling...
Provided by Beijing University of Posts and Telecommunications
-
White Papers
Improved Performance of the Basic Array of a Microstrip Adaptive Antenna Using a Tree Structure of Patch Fed by Electromagnetic Coupling
February 6, 2011, 12:00am PST
The aim of this paper is to improve the performance of a basic microstrip antenna array using a tree structure patch supplied by electromagnetic coupling. The developed network which contains two...
Provided by Beijing University of Posts and Telecommunications
-
White Papers
A Novel Virtual Network Mapping Algorithm for Cost Minimizing
February 6, 2011, 12:00am PST
Resources assigned to virtual network are not optimal resources, which are caused by some scarce resources. To solve this problem, this paper proposes a novel virtual network mapping algorithm...
Provided by Beijing University of Posts and Telecommunications
-
White Papers
Self-Aware Services of NGSDP:Using Bayesian Networks for Measuring Quality of Convergent Services
June 1, 2011, 12:00am PDT
The authors propose a general architecture and implementation for the autonomous assessment of quality of arbitrary service elements in the convergent service environments. They describe a quality...
Provided by Beijing University of Posts and Telecommunications
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White Papers
A New Secure Strategy in Small-Scale IEEE 802.11 Wireless Local Area Networks With Web Authentication and Virtual Local Area Network
March 1, 2011, 12:00am PST
As the main secret-key encryption techniques of the Wireless Local Area Network (WLAN) have been proven to be unsafe, wireless network security is faced with serious challenges. It is unpractical...
Provided by Beijing University of Posts and Telecommunications
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White Papers
A Priority and SDB Based Admission Control in IEEE 802.16 Systems
September 1, 2010, 12:00am PDT
In IEEE 802.16 systems, the algorithm of Admission Control (AC) is very important in guaranteeing the Quality of Service (QoS) and managing service flows. However, the IEEE 802.16 standards do not...
Provided by Beijing University of Posts and Telecommunications
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White Papers
A General Stochastic Spatial MIMO Channel Model for Evaluating Various MIMO Techniques
June 9, 2009, 12:00am PDT
A general stochastic spatial MIMO channel model is proposed for evaluating various MIMO techniques in this paper. It can generate MIMO channels complying with various MIMO configurations such as...
Provided by Beijing University of Posts and Telecommunications
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White Papers
High Level Architecture Evolved Modular Federation Object Model
July 7, 2008, 12:00am PDT
To improve the agility, dynamics, composability, reusability, and development efficiency restricted by monolithic Federation Object Model (FOM), a modular FOM was proposed by High Level...
Provided by Beijing University of Posts and Telecommunications
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White Papers
Design and Analysis of a Hash Ring-Iterative Structure
August 20, 2010, 12:00am PDT
The authors propose a new type of hash iterative structure - the ring-iterative structure with feedback which is subdivided into the Single Feedback Ring Iteration and the Multiple Feedback Ring...
Provided by Beijing University of Posts and Telecommunications
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White Papers
Enhanced MILSA Architecture for Naming, Addressing, Routing and Security Issues in the Next Generation Internet
January 10, 2010, 12:00am PST
MILSA (Mobility and Multihoming supporting Identifier Locator Split Architecture) has been proposed to address the naming and addressing challenges for NGI (Next Generation Internet). The authors...
Provided by Beijing University of Posts and Telecommunications
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White Papers
Efficient and Provably-Secure Certificateless Short Signature Scheme From Bilinear Pairings
June 25, 2007, 12:00am PDT
In this paper, the authors present a CertificateLess Signature (CLS) scheme that is proved to be secure in the random oracle model under the hardness assumptions of k-CAA and Inv-CDHP. The scheme...
Provided by Beijing University of Posts and Telecommunications
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White Papers
Joint Transmitter-Receiver Design for the Downlink Multiuser Spatial Multiplexing MIMO System
November 4, 2008, 12:00am PST
In the multiuser spatial multiplexing Multiple-Input Multiple-Output (MIMO) system, the joint Transmitter-Receiver (Tx-Rx) design is investigated to minimize the weighted sum power under the...
Provided by Beijing University of Posts and Telecommunications
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White Papers
Energy-Efficient Relay Selection and Optimal Relay Location in Cooperative Cellular Networks With Asymmetric Traffic
April 30, 2010, 12:00am PDT
Energy-efficient communication is an important requirement for mobile relay networks due to the limited battery power of user terminals. This paper considers energy-efficient relaying schemes...
Provided by Beijing University of Posts and Telecommunications
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White Papers
Joint Uplink and Downlink Relay Selection in Cooperative Cellular Networks
September 1, 2010, 12:00am PDT
The authors consider relay selection technique in a cooperative cellular network where user terminals act as mobile relays to help the communications between Base Station (BS) and mobile station...
Provided by Beijing University of Posts and Telecommunications
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White Papers
A Selection Region Based Routing Protocol for Random Mobile Ad Hoc Networks With Directional
November 28, 2010, 12:00am PST
In this paper, the authors propose a selection region based multihop routing protocol with directional antennas for wireless mobile ad hoc networks, where the selection region is defined by two...
Provided by Beijing University of Posts and Telecommunications
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