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Topic Area: Telcommunications/Wireless
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Displaying records 21 to 30 of 57 records.
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21. A DS-CDMA Interference Cancellation Technique for Body Area Networks
Topic: Telcommunications/Wireless
Published: 9/27/2010
Authors: Wen-Bin Yang, Kamran Sayrafian
Abstract: A low complexity Parallel Interference Cancellation (PIC) technique that is applicable to body area networks is presented. Using Direct-Sequence Code Division Multiple Access (DS-CDMA), the technique aims at suppressing interference caused by rapid c ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905938

22. Non-Coherent Amplify-and-Forward Generalized Likelihood Ratio Test Receiver
Topic: Telcommunications/Wireless
Published: 7/30/2010
Author: Michael R Souryal
Abstract: 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 ratio test to obtain the decision rule in closed form ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905550

23. ZigBee-Wireless Mesh Networks for Building Automation and Control
Topic: Telcommunications/Wireless
Published: 4/12/2010
Authors: Wenqi Guo, William M Healy, Mengchu Zhou
Abstract: ZigBee is a wireless technology developed as an open global standard to address the unique needs of low-cost low-power wireless sensor networks. This standard takes full advantages of the IEEE 802.15.4 physical radio specification and operates in unl ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905069

24. How often and how long should a cognitive radio sense the spectrum?
Topic: Telcommunications/Wireless
Published: 4/7/2010
Author: Nader Moayeri
Abstract: This paper presents a Bayesian framework and a pricing structure for a secondary wireless user that opportunistically uses a RF channel belonging to a network of N primary users. The secondary user operates in a time-slotted fashion, where each time ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904316

25. 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

26. EDA Performance and Clock Synchronization Over a Wireless Network: Analysis, Experimentation and Application to Semiconductor Manufacturing
Topic: Telcommunications/Wireless
Published: 11/24/2009
Authors: Dhananjay Anand, Deepak Sharma, YaShian Li-Baboud, James Moyne
Abstract: Shrinking process tolerances due to decreasing device sizes and increasing chip complexity in semiconductor manufacturing are motivating efforts to improve methods of Equipment Data Acquisition (EDA). Prior work shows that the lack of precise tim ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=903566

27. Improving security information gathering with IEEE 802.21 to optimize handover performance
Topic: Telcommunications/Wireless
Published: 10/30/2009
Authors: Antonio Izquierdo Manzanares, Nada T Golmie
Abstract: In mobile networks, authentication is a time-consuming operation that needs to be shortened in order to provide seamless handovers. Furthermore, the time required for negotiating security parameters and obtaining security policies increases the impor ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=901175

28. Correlated Photon Pair Generation by Dual-Element PPKTP Waveguide over GHz repetition rate
Topic: Telcommunications/Wireless
Published: 10/11/2009
Authors: Xiao Tang, Lijun Ma, Oliver T Slattery
Abstract: A compact scheme for high-speed frequency doubling and down-conversion on a single dual-element PPKTP waveguide is investigated. Optimal temperature selection for the entire waveguide is achieved and coincidence is observed. A pulsed pump scheme is u ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=902767

29. Optimizing Authentication in Media Independent Handovers using IEEE 802.21
Topic: Telcommunications/Wireless
Published: 8/6/2009
Authors: Antonio Izquierdo Manzanares, Nada T Golmie, Richard Antoine Rouil
Abstract: In this paper we study the performance of the authentication process in media independent handovers, and consider the impact of using IEEE 802.21 link triggers to achieve seamless mobility. We describe all interactions between the 802.21 services and ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=890070

30. Autonomous Migration with Admission Control for Mobiles Affected by Access Network Failures
Topic: Telcommunications/Wireless
Published: 6/18/2009
Author: David Wesley Griffith
Abstract: The loss of a set of wireless network access resources causes every mobile user that is connected through the failed resources to perform an unanticipated hard handover, resulting in disrupted connections. The users connected to the failed resources ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=890038