Báo cáo hóa học: " A New MAC Protocol with Pseudo-TDMA Behavior for Supporting Quality of Service in 802 11 Wireless LANs" docx

... several ac- cess classes. Every terminal is assumed to demand all four classes of access. In case of satura tion analysis, it is assumed that a packet is always available for transmission. For AC3 ... calculate the behavior of the proposed model in comparison with EDCA. The performance of the MAC protocols is tested for variable number of contending stations, basic...

Ngày tải lên: 22/06/2014, 22:20

... mL/kg·min of VO 2 peak was associated with a 4-point increase in general health in the final model [Additional file 1]. Type 2 diabetes was associated with an 8-point decrease in the role-physical ... were 98 participants with and 119 participants without type 2 diabetes. Participants with type 2 diabetes had a mean hemoglobin A1 c of 6.6% and, compared with particip...

Ngày tải lên: 18/06/2014, 19:20

... signalling messages per authentication for each activity registration, call origination, and call termination as illustrated in Table 7. The total sig- nalling traffic and load transaction messages ... the sig- nalling messages flow for each activity registration, call orig- ination, and call termination as shown in Ta ble 3. The total signalling traffic and load The transaction messages b...

Ngày tải lên: 22/06/2014, 22:20

... not part of this article. The MAC layer has mechanisms to provide QoS for the downlink and uplink traffics. The packets that cross the MAC layer are classified and associated with a service class. ... it was defined a method that interacts with the polling mechanism of BS, and makes a balancing of unicast polling to the rtPS and nrtPS services. Gidlund and Wang [18] pr...

Ngày tải lên: 20/06/2014, 22:20

... customisation in multiple target tracking applications, Engineering Ph.D. thesis, the Uni- versity of Auckland, Auckland, New Zealand, 1998. Abbas Bigdeli wasborninAhvaz,Iranin 1973. He received a Bachelor ... Ceschia, M. Bellato, A. Paccagnella, and A. Kaminski, “Ion beam testing of ALTERA APEX FPGAs,” in Proceedings of IEEE Radiation Effects Data Workshop, pp. 45–50, Phoenix,...

Ngày tải lên: 22/06/2014, 23:20

... ipsilateral or contralateral to the motor imagery. Accuracies for trials with ipsilateral placement are generally higher than accuracies for trials with contralateral placement. ACCURACIES LATENCIES SUBJECT ... experiments, data analysis, and drafted the manuscript. VA participated in running the experiments, data analysis, and drafted the manuscript. AR participated in running t...

Ngày tải lên: 19/06/2014, 10:20

... reliability and validity in a sample consisting of participants with age-related cataracts, age-related macular degeneration, diabetic retinopathy, primary open-angle glaucoma, or cytomegalovirus retinitis ... measure has been vali- dated in samples combining patients with a range of eye conditions including cataracts, macular degeneration, dia- betic retinopathy, glaucoma, or...

Ngày tải lên: 18/06/2014, 19:20

... Development and evaluation of the Oral Health Impact Profile. Community Dent Health 1994, 11: 3 -11. 19. Sato Y, Minagi S, Akagawa Y, Nagasawa T: An evaluation of chewing function of complete denture wearers. ... Chehade A, Savard A, Feine JS: Oral health status and treatment satisfaction with mandibular implant overdentures and conventional dentures: a randomized clinical tria...

Ngày tải lên: 20/06/2014, 15:20

... somewhat larger percentage of Caucasian patients. The change analysis sample was primarily male (64.1%) and Caucasian (81.9%), with a mean age of 59.3 years. This sample was primarily diagnosed with ... reliability and validity in a sample consisting of participants with age-related cataracts, age-related macular degeneration, diabetic retinopathy, primary open-angle glaucom...

Ngày tải lên: 20/06/2014, 16:20

... received amplitude of the kth user. Under standard Gaussian approximation, Z l,n and Z l,MAI are assumed to be zero-mean Gaussian random processes as characterized by variances σ 2 n and σ 2 MAI ,respectively.Due to ... Choi, Y. Park, et al., “Enhanced noncoherent OOK UWB PHY and MAC for positioning and ranging,” IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs)...

Ngày tải lên: 21/06/2014, 23:20