Báo cáo hóa học: " IEEE 802 11 Wireless LANs: Performance Analysis and Protocol Refinement" pot

... protocol family [2]. The IEEE 802. 11 protocols have become the domi- nant standard for WLANs and can offer high data rates of 11 Mbit/s [3] and 54 Mbit/s [4]. The IEEE 802. 11 standard specifies two different ... S. Cheng, and J. Ma, Performance of reliable transport protocol over IEEE 802. 11 wireless LAN: analysis and enhancement,” in Proc. 21st Annual Joint...

Ngày tải lên: 23/06/2014, 00:20

... efficiency and QoS for low-rate applications with 802. 11e, in IEEE Wireless Communications and Networking Conference (WCNC), Hong Kong, March 2007, vol.1, pp.2143-2148 [4] IEEE 802. 11 Standard, Wireless ... unlicensed bands have been subject of extensive research [2, 3], and in particular, it has been shown that IEEE 802. 11 networks [4] can significantly degrade...

Ngày tải lên: 21/06/2014, 17:20

... efficiency and QoS for low-rate applications with 802. 11e, in IEEE Wireless Communications and Networking Conference (WCNC), Hong Kong, March 2007, vol.1, pp.2143-2148 [4] IEEE 802. 11 Standard, Wireless ... White Paper, February 2 011 [2] I Howitt, J Gutierrez, IEEE 802. 15.4 low rate wireless personal area network coexistence issues, in Proceedings of IEEE Wire...

Ngày tải lên: 21/06/2014, 23:20

... heterodyne architecture can enable the compact and low-cost millimeter-wave receivers for the future wireless communications systems such as the IEEE 802. 15.3c wireless personal area networks (WPAN) ... for low-cost and low- power 60 GHz communications systems and are evaluated and compared by considering the effects of front end non- ideality. The authors found that OQPSK with...

Ngày tải lên: 22/06/2014, 19:20

... 2007, 6:38–57. 111 . Christian KM and Thompson RF: Neural substrates of eyeblink conditioning : acquisition and retention. Learn Mem 2003, 10 (6):427–455. 112 . De Zeeuw CI and Yeo CH: Time and tide ... commands and motion. Sensory-motor delays varyaccordingtothemodalityandcontext,andmaybe Table 1: Theories of cerebellar func tion s Theory Assumptions Selected referenceq Adaptativ...

Ngày tải lên: 19/06/2014, 08:20

... the one hand, and practice in everyday activities and occupations to increase participation on the other hand [1,2]. Inter- vention is based primarily on the performance of rote exercises and/ or ... and performance in virtual environments. J Human- Comp Interact 2000, 12:1-41. 11. Rizzo AA, Kim GJ: A SWOT analysis of the field of VR rehabil- itation and therapy. Presence: Tel...

Ngày tải lên: 19/06/2014, 10:20

... sent for culture and sensitivity and staining * Correspondence: sujitortho@yahoo.co.in Department of Orthopaedics, Postgraduate Institute of Medical Education and Research, Chandigarh, India Tripathy ... neck Diffuse pain Isolated ATT 11 Srivastav et al 2006 [8] One 26/F Inferior angle of scapula Pain and swelling Isolated ATT 12 Solav S 2007 [11] Three 54/F Medial margin and sp...

Ngày tải lên: 20/06/2014, 04:20

... Weatherall M: Self-valuation and societal valuations of health state differ with disease severity in chronic and disabling conditions. Medical Care 2004, 42 (11) :114 3 -115 1. 9. Sandblom G, Carlsson P, ... health state 111 11) and a minimum value of -0.59 (for 33333). Material deprivation was represented by the small-area Carstairs score, a composite measure comprising four poverty-a...

Ngày tải lên: 20/06/2014, 16:20

... Journal of Inequalities and Applications 2 011, 2 011: 111 http://www.journalofinequalitiesandapplications.com/content/2 011/ 1 /111 Page 3 of 9 doi:10 .118 6/1029-242X-2 011- 111 Cite this article as: ... k,where k ≤ 1, then Zireh Journal of Inequalities and Applications 2 011, 2 011: 111 http://www.journalofinequalitiesandapplications.com/content/2 011/ 1 /111 © 2 011 Zireh; licen...

Ngày tải lên: 20/06/2014, 22:20

... constants with 0 ≤ l < a <n. Fang and Ding Journal of Inequalities and Applications 2 011, 2 011: 74 http://www.journalofinequalitiesandapplications.com/content/2 011/ 1/74 Page 11 of 12 Theorem 3.2 Let u ... (1999) doi:10 .118 6/1029-242X-2 011- 74 Cite this article as: Fang and Ding: Singular integrals of the compositions of Laplace-Beltrami and Green’s operators. Journal of...

Ngày tải lên: 20/06/2014, 22:20