Multiple Access Communications in Future-Generation Wireless Networks
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Citation: EURASIP Journal on Wireless Communications and Networking 2012 2012:45
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Slotted Aloha with multi-AP diversity and APS transmit beamforming
Slotted Aloha is an effective random access protocol and can also be an important element of more advanced media access protocols. This paper investigates slotted Aloha in a radio environment with multiple acc...
Citation: EURASIP Journal on Wireless Communications and Networking 2011 2011:119 -
Hidden node aware routing method using high-sensitive sensing device for multi-hop wireless mesh network
Throughput maximization is one of the main challenges in multi-hop wireless mesh network (WMN). Throughput of the multi-hop WMN network seriously degrades due to the presence of the hidden node. In order to av...
Citation: EURASIP Journal on Wireless Communications and Networking 2011 2011:114 -
Polarization division multiple access with polarization modulation for LOS wireless communications
In this paper, we discuss a potential multiple access and modulation scheme based on polarized states (PS) of electromagnetic (EM) waves for line-of-sight (LOS) communications. The proposed scheme is theoretic...
Citation: EURASIP Journal on Wireless Communications and Networking 2011 2011:77 -
On the feasibility of a channel-dependent scheduling for the SC-FDMA in 3GPP-LTE (mobile environment) based on a prioritized-bifacet Hungarian method
We propose a methodology based on the prioritization and opportunistic reuse of the optimization algorithm known as Hungarian method for the feasible implementation of a channel-dependent scheduler in the long...
Citation: EURASIP Journal on Wireless Communications and Networking 2011 2011:71 -
A utility-based approach for secondary spectrum sharing
This paper provides a social welfare framework for coexistence of secondary users of spectrum in the presence of static primary users. We consider a formulation that captures spatial differences in available s...
Citation: EURASIP Journal on Wireless Communications and Networking 2011 2011:32 -
ZAP: a distributed channel assignment algorithm for cognitive radio networks
We propose ZAP, an algorithm for the distributed channel assignment in cognitive radio (CR) networks. CRs are capable of identifying underutilized licensed bands of the spectrum, allowing their reuse by second...
Citation: EURASIP Journal on Wireless Communications and Networking 2011 2011:27 -
Quality of service implications of power control and multiuser detection-based cross-layer design
In order to allow for dense spatial reuse in wireless ad hoc networks, multiple access interference must be dealt with. This calls for advanced physical layer techniques, such as multiuser detection (MUD) or powe...
Citation: EURASIP Journal on Wireless Communications and Networking 2011 2011:9 -
Binary De Bruijn sequences for DS-CDMA systems: analysis and results
Code division multiple access (CDMA) using direct sequence (DS) spread spectrum modulation provides multiple access capability essentially thanks to the adoption of proper sequences as spreading codes. The abi...
Citation: EURASIP Journal on Wireless Communications and Networking 2011 2011:4 -
Coherence time-based cooperative MAC protocol 1 for wireless ad hoc networks
In this article, we address the goal of achieving performance gains under heavy-load and fast fading conditions. CoopMACI protocol proposed in Proceedings of the IEEE International Conference on Communications...
Citation: EURASIP Journal on Wireless Communications and Networking 2011 2011:3 -
A Near-Optimum Multiuser Receiver for STBC MC-CDMA Systems Based on Minimum Conditional BER Criterion and Genetic Algorithm-Assisted Channel Estimation
The implementation of efficient baseband receivers characterized by affordable computational load is a crucial point in the development of transmission systems exploiting diversity in different domains. This w...
Citation: EURASIP Journal on Wireless Communications and Networking 2011 2011:351494 -
Performance Analysis for Linearly Precoded LTE Downlink Multiuser MIMO
The average channel capacity and the SINR distribution for multiuser multiple input multiple output (MIMO) systems in combination with the base station based packet scheduler are analyzed in this paper. The pa...
Citation: EURASIP Journal on Wireless Communications and Networking 2011 2011:797840 -
AWPP: A New Scheme for Wireless Access Control Proportional to Traffic Priority and Rate
Cutting-edge wireless networking approaches are required to efficiently differentiate traffic and handle it according to its special characteristics. The current Medium Access Control (MAC) scheme which is exp...
Citation: EURASIP Journal on Wireless Communications and Networking 2011 2011:925165 -
Interference-Aware Radio Resource Management for Local Area Wireless Networks
Interference-aware multiple access is an enabler to cost-efficient and reliable high data-rate local area wireless access. In this paper, we propose an interference-aware radio resource management scheme where...
Citation: EURASIP Journal on Wireless Communications and Networking 2011 2011:921623 -
Efficient Control Channel Resource Allocation for VoIP in OFDMA-Based Packet Radio Networks
We propose an efficient control channel resource allocation approach to enhance the performance of voice-over-IP (VoIP) in orthogonal frequency division multiple access- (OFDMA-) based next generation mobile c...
Citation: EURASIP Journal on Wireless Communications and Networking 2011 2011:712658 -
Towards a Collision-Free WLAN: Dynamic Parameter Adjustment in CSMA/E2CA
Carrier sense multiple access with enhanced collision avoidance (CSMA/ECA) is a distributed MAC protocol that allows collision-free access to the medium in WLANs. The only difference between CSMA/ECA and the w...
Citation: EURASIP Journal on Wireless Communications and Networking 2011 2011:708617 -
Evaluating IEEE 802.15.4 for Cyber-Physical Systems
With rapid advancements in sensing, networking, and computing technologies, recent years have witnessed the emergence of cyber-physical systems (CPS) in a broad range of application domains. CPS is a new class...
Citation: EURASIP Journal on Wireless Communications and Networking 2011 2011:596397 -
Performance Evaluation of Uplink Delay-Tolerant Packet Service in IEEE 802.16-Based Networks
We provide an analytical model for efficient dynamic capacity allocation in IEEE 802.16 wireless metropolitan area network, where the nonreal-time traffic can utilize the bandwidth unused by the real-time traf...
Citation: EURASIP Journal on Wireless Communications and Networking 2011 2011:549492 -
A Comparative Survey of Adaptive Codec Solutions for VoIP over Multirate WLANs: A Capacity versus Quality Performance Trade-Off
In multi-rate WLANs, users can suffer transmission rate changes due to the link adaptation mechanism. This results in a variable capacity channel, which is very hostile for VoIP and can cause serious quality o...
Citation: EURASIP Journal on Wireless Communications and Networking 2011 2011:534520 -
Carrier Frequency Offset Estimation for Multiuser MIMO OFDM Uplink Using CAZAC Sequences: Performance and Sequence Optimization
This paper studies carrier frequency offset (CFO) estimation in the uplink of multi-user multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems. Conventional maximum li...
Citation: EURASIP Journal on Wireless Communications and Networking 2011 2011:570680 -
An Efficient Method for Proportional Differentiated Admission Control Implementation
The admission control mechanism inspired in the framework of proportional differentiated services has been investigated. The mechanism provides a predictable and controllable network service for real-time traf...
Citation: EURASIP Journal on Wireless Communications and Networking 2011 2011:738386 -
Iterative Fusion of Distributed Decisions over the Gaussian Multiple-Access Channel Using Concatenated BCH-LDGM Codes
This paper focuses on the data fusion scenario where nodes sense and transmit the data generated by a source ...
Citation: EURASIP Journal on Wireless Communications and Networking 2011 2011:825327