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ETT
2006
138views Education» more  ETT 2006»
15 years 6 months ago
Comparison of modified dual queue and EDCA for VoIP over IEEE 802.11 WLAN
The popular IEEE 802.11 WLAN today does not provide any quality-of-service (QoS) because of its contention-based channel access nature of the medium access control (MAC). Therefore...
Jeonggyun Yu, Sunghyun Choi
ICC
2009
IEEE
118views Communications» more  ICC 2009»
15 years 3 months ago
Downlink Resource Allocation for OFDMA-Based Multiservice Networks with Imperfect CSI
Abstract--This paper addresses practical implementation issues of resource allocation in OFDMA networks: inaccuracy of channel state information (CSI) available to the resource all...
Mohamad Khattar Awad, Veluppillai Mahinthan, Mehri...
JSAC
2007
130views more  JSAC 2007»
15 years 6 months ago
Cross-layer QoS Analysis of Opportunistic OFDM-TDMA and OFDMA Networks
Abstract— Performance analysis of multiuser orthogonal frequency division multiplexing (OFDM-TDMA) and orthogonal frequency division multiple access (OFDMA) networks in support o...
Yu-Jung Chang, Feng-Tsun Chien, C. C. Jay Kuo
IADIS
2008
15 years 7 months ago
Towards Simple Interaction In The Classroom: An Nfc Approach
In a given environment, distributing different devices with computing capabilities around us opens up new possibilities. It allows simple and easy interaction between user and com...
Salvador W. Nava, Gabriel Chavira, Ramón He...
AAAI
1997
15 years 7 months ago
DISXPERT: A Social Security Disability Screening Expert System
This case study paper reports on the development and implementation of DISXPERT, a rule-based expert system tool for referral of social security disability recipients to vocationa...
James R. Nolan