Báo cáo hóa học: " Research Article AWPP: A New Scheme for Wireless Access Control Proportional to Traffic Priority and Rate" pdf
... 2011, Article ID 925165, 11 pages doi:10.1155/2011/925165 Research Article AWPP: A New Scheme for Wireless Access Control Proportional to Traffic Priority and Rate Thomas Lagkas 1 and Periklis Chatzimisios 2 1 Department ... Communications and Networking 7 Since POLL packet total size is equal to 272 bits, DATA packet total size is equal to 10192 bits, S...
Ngày tải lên: 21/06/2014, 05:20
... Kluwer Academic, Boston, Mass, USA, 1991. 4 Z. Xie and Z. Zeng, A Hilbert-type integral inequality whose kernel is a homogeneous form of degree −3,” Journal of Mathematical Analysis and Applications, ... 324–331, 2008. 5 Z. Xie and Z. Zeng, A Hilbert-type integral inequality with a non-homogeneous form and a best constant factor,” Advances and Applications in Mathematica...
Ngày tải lên: 21/06/2014, 07:20
... Journal of Mathematical Analysis and Applications, vol. 325, no. 1, pp. 529–541, 2007. 7 B. G. Pachpatte, “On some new inequalities similar to Hilbert’s inequality,” Journal of Mathematical Analysis ... integral operator is defined, and the norm of operator is obtained. As applications, a new Hilbert-Hardy-type inequality similar to 1.3 is given, and two equivalent inequali...
Ngày tải lên: 21/06/2014, 07:20
Báo cáo hóa học: " Research Article ASAP: A MAC Protocol for Dense and Time-Constrained RFID Systems" pdf
... and Networking in terms of average tag identification time of the tags. We have also extended the design of ASAP to variants of ASAP, that is, p-ASAP, m-ASAP, and ASAP with faulty tags. For each scenario, ... security to fac tory automation to supermar- ket checkouts [5, 6]. All of these envisioned applications call for a need to deploy a large number of tags in small geogr...
Ngày tải lên: 22/06/2014, 19:20
Báo cáo hóa học: " Research Article Efficient MAC Protocols for Wireless Sensor Networks Endowed with Directive Antennas: A Cross-Layer Solution" pot
... most rele- vant simulation parameters are summarized in Tab le 1.The adopted antenna model is an ideal switched beam antenna. A group of almost nonoverlapping beams has been created that together ... empty angular sector. Upon the replying of a node, a logical channel is established and jth node can adopt the unicast or the multicast ap- proach, according to the STAR+ approach [6]....
Ngày tải lên: 22/06/2014, 19:20
Báo cáo hóa học: " Research Article WMicaD: A New Digital Watermarking Technique Using Independent Component Analysis" docx
... specially tailored watermarks and ICA algorithm in the extraction scheme makes it possible to estimate the watermarks without the original image, and without any information about the embedding parameters. Please ... W 1[k 1 ] ,andW 2[k 1 ] . And again, we can see that all the actions are taken on the downsized images, providing substantial computational ad- vantage to WMicaD. 6....
Ngày tải lên: 22/06/2014, 19:20
Báo cáo hóa học: " Research Article Carrier Frequency Offset Estimation for Multiuser MIMO OFDM Uplink Using CAZAC Sequences: Performance and Sequence Optimization" ppt
... systems can be used in conjunction with other multiple access schemes such as TDMA and FDMA.) Each user has one transmit antenna and the base- station has two receive antennas. We simulate an OFDM system ... illustration and analysis, we assume that each user has a single transmit antenna. The base-station has n r receive antennas, where n r ≥ n t .The received signal at the ith rec...
Ngày tải lên: 21/06/2014, 05:20
Báo cáo hóa học: " Research Article Cross-Layer Handover Scheme for Multimedia Communications in Next Generation Wireless Networks" potx
... data packets arrived will be buffered and forwarded to both the MN and the NAR simultaneously, and thus the data packet WLAN signal fading LGD LD WiFi IF1 WiMAX IF2 Weak link quality cause packet ... this scheme, FMIP is introduced into the SIP and MIH combination architecture. By using FMIP, the NCoA can be obtained in advance, and data packets are buffered and forwarded to bo...
Ngày tải lên: 21/06/2014, 11:20
Báo cáo hóa học: " Research Article Energy-Efficient Reservation-Based Medium Access Control Protocol for Wireless Sensor Networks" doc
... (15) In B-MAC, all data in a radio range is received. As a leaf node has n neighbors, and a router in a range forwards n DL data fr ames from leaf nodes, totally n + n DL data frames are received ... Channel Access MAC protocol can be divided into channel access and networking mechanisms. The channel access mechanism defines radio utilization for maintaining synchronization...
Ngày tải lên: 21/06/2014, 11:20
Báo cáo hóa học: " Research Article An Implicit Iterative Scheme for an Infinite Countable Family of Asymptotically Nonexpansive Mappings in Banach Spaces" pot
... function ϕ a gauge. If ϕtt for all t ≥ 0, then we call J ϕ a normalized duality mapping and write it as J. A Banach space E is said to have a weakly continuous generalized duality map if there exists ... J. K. Kim, and S A. Chun, “Iterative approximation of fixed points for generalized asymptotically contractive and generalized hemicontractive mappings,” Pan-American Ma...
Ngày tải lên: 21/06/2014, 23:20