Latest News Headlines
|
Energy-Aware Utility Regions: Multiple Access Pareto Boundary
Friday, July 30, 2010 - 04:26 AM - 18 hours, 3 minutes ago - Electrical Engineering - Wireless Communications
Power management and energy-aware communications systems have become increasingly important in mobile computing as well as mobile communications. In future wireless communication systems, the ... (Read More)
|
|
Distributed Approximation Algorithms for Longest-Lived Multicast in WANETs with Directional Antennas
Friday, July 30, 2010 - 04:26 AM - 18 hours, 3 minutes ago - Electrical Engineering - Wireless Communications
We consider the lifetime optimization problem for multicasting in wireless ad hoc networks, in which each node is equipped with a directional antenna and has limited energy supplies. Several ... (Read More)
|
|
TOA Estimation with the IEEE 802.15.4a Standard
Friday, July 30, 2010 - 04:26 AM - 18 hours, 3 minutes ago - Electrical Engineering - Wireless Communications
This paper discusses a ranging algorithm appropriate for impulse radio ultra-wideband signals compliant with the IEEE 802.15.4a standard. Three steps are indicated to locate the so-called ranging ... (Read More)
|
|
Constellation Subset Selection: Theories and Algorithms
Friday, July 30, 2010 - 04:26 AM - 18 hours, 3 minutes ago - Electrical Engineering - Wireless Communications
Constellation subset selection (CSS) is a new topic emerging in the adaptive modulation communications. How to choose the subset of the original constellation phasers appears to be challenging and ... (Read More)
|
|
Joint Routing and Sleep Scheduling for Lifetime Maximization of Wireless Sensor Networks
Friday, July 30, 2010 - 04:26 AM - 18 hours, 3 minutes ago - Electrical Engineering - Wireless Communications
The rapid proliferation of wireless sensor networks has stimulated enormous research efforts that aim to maximize the lifetime of battery-powered sensor nodes and, by extension, the overall ... (Read More)
|
|
Optimal Linear Non-Regenerative Multi-Hop MIMO Relays with MMSE-DFE Receiver at the Destination
Friday, July 30, 2010 - 04:26 AM - 18 hours, 3 minutes ago - Electrical Engineering - Wireless Communications
In this paper, we study multi-hop non-regenerative multiple-input multiple-output (MIMO) relay communications with any number of hops. We design the optimal source precoding matrix and the optimal ... (Read More)
|
|
Channel Diversity in Random Wireless Networks
Friday, July 30, 2010 - 04:26 AM - 18 hours, 3 minutes ago - Electrical Engineering - Wireless Communications
The goal of this paper is to explore the benefits of channel diversity in wireless ad hoc networks. Our model is that of a Poisson point process of transmitters, each with a receiver at a given ... (Read More)
|
|
Distributed Node Selection for Sequential Estimation over Noisy Communication Channels
Friday, July 30, 2010 - 04:26 AM - 18 hours, 3 minutes ago - Electrical Engineering - Wireless Communications
This paper proposes a framework for distributed sequential parameter estimation in wireless sensor networks. In the proposed scheme, the estimator is updated sequentially at the current node with ... (Read More)
|
|
Reducing Call Routing Cost for Femtocells
Friday, July 30, 2010 - 04:26 AM - 18 hours, 3 minutes ago - Electrical Engineering - Wireless Communications
Femtocell is an effective solution to improve indoor coverage for cellular networks, where short-range and low-power Base Stations (BSs) called Femto BSs are deployed in small areas (e.g., ... (Read More)
|
|
MMSE Based Transceiver Designs in Closed-Loop Non-Regenerative MIMO Relaying Systems
Friday, July 30, 2010 - 04:26 AM - 18 hours, 3 minutes ago - Electrical Engineering - Wireless Communications
In this paper, we propose a new design strategy based on the minimum mean-squared error (MMSE) in closed-loop non-regenerative multiple-input multiple-output relaying systems. Instead of ... (Read More)
|
|
Non-Coherent Amplify-and-Forward Generalized Likelihood Ratio Test Receiver
Friday, July 30, 2010 - 04:26 AM - 18 hours, 3 minutes ago - Electrical Engineering - Wireless Communications
This paper proposes a simple non-coherent amplify-and-forward receiver for the relay channel and evaluates its diversity performance for Rayleigh fading channels. We use the generalized likelihood ... (Read More)
|
|
Detection of Selfish Nodes in Networks Using CoopMAC Protocol with ARQ
Friday, July 30, 2010 - 04:26 AM - 18 hours, 3 minutes ago - Electrical Engineering - Wireless Communications
CoopMAC has been recently proposed as a possible implementation of cooperation protocols in the medium access control (MAC) layer of a wireless network. However, some nodes may refrain from ... (Read More)
|
|
Collaborative Quickest Spectrum Sensing via Random Broadcast in Cognitive Radio Systems
Friday, July 30, 2010 - 04:26 AM - 18 hours, 3 minutes ago - Electrical Engineering - Wireless Communications
Quickest detection is applied in spectrum sensing in cognitive radio systems when multiple secondary users collaborate with limited communication time slots. When the transmissions of sensing ... (Read More)
|
|
Trellis Coded Spatial Modulation
Friday, July 30, 2010 - 04:26 AM - 18 hours, 3 minutes ago - Electrical Engineering - Wireless Communications
Trellis coded modulation (TCM) is a well known scheme that reduces power requirements without any bandwidth expansion. In TCM, only certain sequences of successive constellation points are allowed ... (Read More)
|
|
Integrated Power Controlled Rate Adaptation and Medium Access Control in Wireless Mesh Networks
Friday, July 30, 2010 - 04:26 AM - 18 hours, 3 minutes ago - Electrical Engineering - Wireless Communications
In this paper, a new mathematical programming model and assignment algorithms are developed for minimizing the schedule length in adaptive power and adaptive rate link scheduling in spatial-TDMA ... (Read More)
|
|
Joint Routing and Scheduling in WiMAX-Based Mesh Networks
Friday, July 30, 2010 - 04:26 AM - 18 hours, 3 minutes ago - Electrical Engineering - Wireless Communications
The problem of scheduling and routing tree construction in WiMAX/802.16 based mesh networks is not defined in the standard and has thus been the subject to extensive research. We consider the ... (Read More)
|
|
Fading Cognitive Multiple Access Channels: Outage Capacity Regions and Optimal Power Allocation
Friday, July 30, 2010 - 04:26 AM - 18 hours, 3 minutes ago - Electrical Engineering - Wireless Communications
This paper considers a spectrum sharing based cognitive radio network where a M-user fading multiple access network shares the same spectrum with an existing primary network. The primary network's ... (Read More)
|
|
Constructions of DMT Optimal Vector Codes for Asynchronous Cooperative Networks Using Decode-and-Forward Protocols
Friday, July 30, 2010 - 04:26 AM - 18 hours, 3 minutes ago - Electrical Engineering - Wireless Communications
An asynchronous cooperative network where different time delays exist among nodes is considered in this paper. Assuming the signals are OFDM modulated, it is first shown that the ... (Read More)
|
|
Table of contents
Friday, July 30, 2010 - 04:26 AM - 18 hours, 3 minutes ago - Electrical Engineering - Wireless Communications |
|
Table of contents
Friday, July 30, 2010 - 04:26 AM - 18 hours, 3 minutes ago - Electrical Engineering - Wireless Communications |
Page 1 / 2682 (1 - 20 of 53633 Total) 
(c) 2000-2010 NanotechClearinghouse.com
- Terms of use | Privacy Policy | Accessibility Statement -
You have reached the internet site of Nanotech Clearinghouse .com, a site focused on Nanomaterials, Nanotechnology, Nano Science, and related research and product developmnent. Please enjoy the searchable archive of news related to the industry. We hope you will take the time to share your experience in the nano technology field. Please provide first hand commentary within your area of expertise!
Secure the internet for your kids for free.