- Subscribe to this page:
- RSS
- Email Alert
wireless
(39389 results)-
Whitepapers
Highly Scalable Group Dynamic Source Routing Protocol for Wireless Mobile Ad Hoc Networks
March 11, 2008 12:00am PDT
A stability of routing path is of a great importance for a reliable communication in Mobile Ad-hoc NETworks. The authors propose a novel source routing protocol that establishes a group path with...
Provided by: Institute of Electrical and Electronics Engineers
-
Whitepapers
Joint Frequency-Domain Equalization and Channel Estimation using Superimposed Pilots
March 11, 2008 12:00am PDT
SC modulations (Single-Carrier) with FDE (Frequency-Domain Equalization) are promising candidates for future broadband wireless systems. These modulations allow excellent performances in severely...
Provided by: Institute of Electrical and Electronics Engineers
-
Whitepapers
Policy Driven Scheduling to Provide Differentiated QoS for Delay Sensitive Services in HSDPA
March 11, 2008 12:00am PDT
Increasing demand for high data-rate multimedia real time services has led to the use of asynchronous time shared channels in the forward link for real-time services in 3G wireless networks, such...
Provided by: Institute of Electrical and Electronics Engineers
-
Whitepapers
Dynamic Bandwidth Partition with Finer-Tune (DPFT) Scheme for Multimedia IEEE 802.11e WLANs
March 11, 2008 12:00am PDT
The Medium Access Control (MAC) layer is very fundamental for wired/wireless networks, such as Ethernet and IEEE 802.11 WLAN. In mobile cellular networks, bandwidth is deterministic in terms of...
Provided by: Institute of Electrical and Electronics Engineers
-
Whitepapers
Performance Enhancement for Mobility Management in Wireless LANs
March 11, 2008 12:00am PDT
Due to the small radio area covered by an Access Point (AP), handoffs frequently occur in Wireless Local Area Networks (WLANs) as Mobile Stations (MSs) move their associations from one AP to...
Provided by: Institute of Electrical and Electronics Engineers
-
-
Whitepapers
A Suboptimal LQ Power Control Algorithm for a CDMA Wireless System
March 11, 2008 12:00am PDT
In today's wireless systems, power control is an important problem which is related to the Quality-of-Service (QoS) and battery utilization at the mobile units. This problem is studied in this...
Provided by: Institute of Electrical and Electronics Engineers
-
Whitepapers
Throughput Analysis of WiMAX Based Wireless Networks
March 11, 2008 12:00am PDT
In this paper, the authors derive an analytical model that determines the conditions that lead to throughput-starvation in WiMAX-based networks. They limit their discussion to downlink traffic in...
Provided by: Institute of Electrical and Electronics Engineers
-
Whitepapers
An Efficient and Fair Scheduling Scheme for Multiuser OFDM Wireless Networks
March 11, 2008 12:00am PDT
In this paper, the authors propose a new MAC scheduling scheme for efficient support of multimedia services in multiuser OFDM wireless networks, both in the uplink and in the downlink. This scheme...
Provided by: Institute of Electrical and Electronics Engineers
-
Whitepapers
Two-layer CI Phase Coding Interference Cancellation and Detection of Uplink Broadband Wireless Access System
March 11, 2008 12:00am PDT
Multi-carrier OFDM-CDMA has a range of advantages that make ideal for high data rate wireless access system. A two-layer Carrier Interferometry (CI) phase coding approach is proposed for enhancing...
Provided by: Institute of Electrical and Electronics Engineers
-
Whitepapers
Cross-Layer Optimization based on Partial Local Knowledge
March 11, 2008 12:00am PDT
In this paper, the authors consider decentralized cross-layer optimization for multichannel random access with partial-local knowledge. In the network scenario considered, users are not...
Provided by: Institute of Electrical and Electronics Engineers
-
Whitepapers
Joint Impact of Quantization and Clipping on Single- and Multi-carrier Block Transmission Systems
March 11, 2008 12:00am PDT
In this paper, the authors investigate the joint impact of quantization and clipping, caused by Analog-to-Digital Converters (ADCs) with low bit resolutions, on single- and multi-carrier block...
Provided by: Institute of Electrical and Electronics Engineers
-
Whitepapers
Design of 3G Wireless Networks with Access Concentrators
March 11, 2008 12:00am PDT
The paper focuses on the design of a Third Generation (3G) wireless network employing traffic concentrators over the transport segment of the network. Thanks to their capability to achieve traffic...
Provided by: Institute of Electrical and Electronics Engineers
-
Whitepapers
A Multi-Stage Hybrid Scheduler for Codebook-Based Precoding System
March 11, 2008 12:00am PDT
Significant throughput gains can be obtained in multi-user wireless system by exploiting the combination of multi-user scheduling in Media Access Control (MAC) layer and MIMO spatial multiplexing...
Provided by: Institute of Electrical and Electronics Engineers
-
Whitepapers
Cost Analysis of Channel Estimation in MIMO-OFDM for Software Defined Radio
March 11, 2008 12:00am PDT
Channel State Information (CSI) is critical for the overall performance of wireless systems. Meanwhile, the estimation of CSI forms one of the most intensive tasks in radio baseband signal...
Provided by: Institute of Electrical and Electronics Engineers
-
Whitepapers
Decoding on Graphs: LDPC-Coded MISO Systems and Belief Propagation
March 11, 2008 12:00am PDT
Due to the increasing demand for multimedia data transmission in wireless mobile systems, there is an evident need for increasing the spectral efficiency of cellular systems. With their high...
Provided by: Institute of Electrical and Electronics Engineers
-
Whitepapers
Intelligent Weather Systems with Fuzzy Logic Controller for Satellite Networks
March 11, 2008 12:00am PDT
Weather attenuations can have a distorting effect on signal fidelity above 10 GHz that lead to excessive digital transmission error. This loss of signal is commonly referred to as signal...
Provided by: Institute of Electrical and Electronics Engineers
-
White Papers
HGKM: A Group-Based Key Management Scheme for Sensor Networks Using Deployment Knowledge
March 11, 2008 12:00am PDT
Key establishment plays a central role in authentication and encryption in wireless sensor networks, especially when they are mainly deployed in hostile environments. Because of the strict...
Provided by: Kyung Hee University
-
White Papers
Optimal Routing in Sensor Networks for In-Home Health Monitoring With Multi-Factor Considerations
March 11, 2008 12:00am PDT
Recent technological advances in wireless sensor networking have opened up new opportunities in healthcare systems. Future medical systems are expected to benefit the most in such areas as in-home...
Provided by: Kyung Hee University
-
White Papers
Estimation of Link Quality and Residual Time in Vehicular Ad-Hoc Networks
March 11, 2008 12:00am PDT
High node mobility and transient connectivity in Vehicular Ad Hoc NETworks have introduced numerous challenges in the design of efficient communication protocols for these networks. Toward the...
Provided by: Institute of Electrical and Electronics Engineers
-
White Papers
Developing Security Solutions for Wireless Mesh Enterprise Networks
March 11, 2008 12:00am PDT
The authors' paper on the deployment topology and communication characteristics of Wireless Mesh Enterprise Networks (WMENs) leads to three critical security challenges: deployment of network...
Provided by: Institute of Electrical and Electronics Engineers
