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Topic Area: Telcommunications/Wireless
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Displaying records 51 to 60 of 79 records.
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51. Performance Metrics for IEEE 802.21 Media Independent Handover (MIH) Signaling
Topic: Telcommunications/Wireless
Published: 3/2/2009
Authors: David Wesley Griffith, Richard Antoine Rouil, Nada T Golmie
Abstract: The IEEE 802.21 Media Independent Handover (MIH) working group is developing a set of mechanisms to facilitate migration of mobile users between access networks that use different link-layer technologies. Among these are mobility managers that create ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=51260

52. Performance of Amplify-and-Forward and Decode-and-Forward Relaying in Rayleigh Fading With Turbo Codes
Topic: Telcommunications/Wireless
Published: 5/1/2006
Authors: Michael R Souryal, B R Vojcic
Abstract: Cooperative transmission, in which a source and relay cooperate to send a message to a destination, can provide spatial diversity against fading in wireless networks. We derive analytical expressions for the error probability of amplify-and-forward ( ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=151153

53. Policy-based Scanning with QoS Support for Seamless Handovers in Wireless Networks
Topic: Telcommunications/Wireless
Published: 4/28/2009
Author: Nada T Golmie
Abstract: Supporting seamless handovers between different wireless networks is a challenging issue. One of the most important aspects of a seamless handover is finding a target network and point of attachment (PoA). This is achieved by performing a so-called c ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=901702

54. Predictive Handover Mechanism based on Required Time Estimation in Heterogeneous Wireless Networks
Topic: Telcommunications/Wireless
Published: 11/17/2008
Authors: Sang J. Yoo, David E Cypher, Nada T Golmie
Abstract: In most conventional layer 2 triggering approaches, a pre-defined threshold for a specific perspective such as the received signal strength is used. This may cause too late or too early handover executions. In this paper we propose a new predictive h ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=51262

55. Probabilistic Call Admission Control Algorithm for WLAN in a Heterogeneous Wireless Environment
Topic: Telcommunications/Wireless
Published: 4/30/2009
Authors: Nicolas Chevrollier, David Wesley Griffith, Nada T Golmie, SuKyoung Lee, Kyungsoo Kim, Hong Kunho, YoonHyuk Kim
Abstract: In an integrated WLAN and cellular network, if all mobile users whose connections originate in the cellular network migrate to the WLAN whenever they enter the double coverage area, the WLAN will be severely congested and its users will suffer from p ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=50827

56. Providing Disruption QoS in an OFDM System Using Residual Idle Time Based Opportunistic Spectrum Access
Topic: Telcommunications/Wireless
Published: 12/3/2013
Authors: Anirudha Sahoo, Michael R Souryal, Mudumbai Ranganathan
Abstract: Dynamic spectrum access (DSA) is emerging as a promising technology to mitigate spectrum scarcity caused by static frequency allocation. Among the different models proposed for DSA, opportunistic spectrum access (OSA) is a promising class of solut ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914483

57. Quantize-and-Forward Relaying with M-ary Phase Shift Keying
Topic: Telcommunications/Wireless
Published: 3/31/2008
Authors: Michael R Souryal, Huiqing You
Abstract: Using cooperative transmission, two or more single-antenna users can share their antennas to achieve spatial diversity in a slow fading channel. One relaying protocol that achieves diversity, amplify-and-forward (AF), is striking in its simplicity, b ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=51311

58. Radio Frequency and Analog/Mixed-Signal (RF and AMS) Technologies for Wireless Communications
Topic: Telcommunications/Wireless
Published: 1/5/2009
Authors: Herbert S Bennett, Margaret Huang, John J. Pekarik
Abstract: The challenges facing the RF and AMS community as represented by the International Technology Roadmap for Semiconductors are summarized in this paper.
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=900886

59. Radio Frequency and Analog/Mixed-Signal Technologies for Wireless Communications
Topic: Telcommunications/Wireless
Published: 1/13/2011
Authors: Herbert S Bennett, John J. Pekarik, Margaret Huang
Abstract: Radio frequency (RF) and analog mixed-signal (AMS) technologies serve the very rapidly growing wireless communications market and represent essential and critical technologies for the success of many semiconductor manufacturers. Communications produc ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907287

60. SER Performance Analysis for Physical Layer Network Coding over AWGN Channel
Topic: Telcommunications/Wireless
Published: 12/3/2009
Authors: Yi Qian, Kejie Lu, Shengli Fu, Hsiao-Hwa Chen
Abstract: While original network coding is proposed over data link layer, recent work suggests that it can also be implemented on physical layer. In fact it is more natural for wireless networks because of its omnidirectional transmission. In this paper, we in ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=900953



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