... the wireless network. ! Performing ongoing, randomly timed security audits to monitor and track wireless and handheld devices. ! Applying patches and security enhancements. ! Monitoring the wireless ... Network Security 802.11, Bluetooth and Handheld Devices Recommendations of the National Institute of Standards and Technology Tom Karygiannis and Les...
Ngày tải lên: 14/03/2014, 20:20
... current model. It consists of two areas as authorized and attacker. The authorized area consists of two wireless stations associated to the access point which follow the IEEE 802.11 standard MAC layer. ... Article ID 105675, 16 pages doi:10.1155/2011/105675 Research Ar ticle Design and Implementation of a Lightweight Secur ity Model to Prevent IEEE 802....
Ngày tải lên: 21/06/2014, 05:20
Mobile and wireless communications network layer and circuit level design Part 5 docx
... Vol. 21, No. 6, November 2004, (26 -54 ), 1 053 -58 88 Mobile and Wireless Communications: Network layer and circuit level design1 38 more important for wideband applications, which require thicker ... machine (NCM) and extend at least 3 .5 mm from the edge of the antenna in all directions and occupy the full substrate Mobile and Wireless Communications: Network layer and cir...
Ngày tải lên: 21/06/2014, 14:20
Mobile and wireless communications network layer and circuit level design Part 7 docx
... are adjusted in real time. Mobile and Wireless Communications: Network layer and circuit level design1 78 position. The higher resonance bandwidth is 27% at 4 .72 1GHz. Figure 15 presents the ... 19 97) . For further Mobile and Wireless Communications: Network layer and circuit level design1 82 Fig. 23. Geometry of band notch monopole antenna Fig. 24. Comparison between simulated...
Ngày tải lên: 21/06/2014, 14:20
Mobile and wireless communications network layer and circuit level design Part 11 pdf
... implemented on standard 130nm CMOS technology. In this design the transistors M 1,2 have 50 fingers and total width Mobile and Wireless Communications: Network layer and circuit level design3 10 where: ... show 15 Mobile and Wireless Communications: Network layer and circuit level design3 06 the conception and development of several RFICs, for example, LNAs (Low Noise Amplifier...
Ngày tải lên: 21/06/2014, 14:20
Báo cáo hóa học: " Research Article Collaborative Area Monitoring Using Wireless Sensor Networks with Stationary and Mobile Nodes" docx
... 2009, Article ID 750657, 16 pages doi:10.1155/2009/750657 Research Article Collaborative Area Monitoring Using Wireless Sensor Networks with Stationary and Mobile Nodes Theofanis P. Lambrou and ... reviews related work in two research fields, the area coverage for both stationary and mobile sensor networks and the path planning algorithms in the fie...
Ngày tải lên: 21/06/2014, 22:20
Báo cáo hóa học: " Research Article Connectivity-Based Reliable Multicast MAC Protocol for IEEE 802.11 Wireless LANs" doc
... on Wireless Communications and Networking Volume 2009, Article ID 968408, 6 pages doi:10.1155/2009/968408 Research Article Connectivity-Based Reliable Multicast MAC Protocol for IEEE 802.11 Wireless ... efficient reliable multicast MAC protocol based on the connectivity information among the recipients. Enhancing the BMMM protocol, the proposed reliable mul...
Ngày tải lên: 21/06/2014, 23:20
Báo cáo hóa học: "Security in cognitive wireless sensor networks. Challenges and open problems" docx
... will be made available soon. Security in cognitive wireless sensor networks. Challenges and open problems EURASIP Journal on Wireless Communications and Networking 2012, 2012:48 doi:10.1186/1687-1499-2012-48 Alvaro ... for WSN. However, distributed information and co-operational behaviour in CWSN make a captured node Security in cognitive wireless sensor ne...
Ngày tải lên: 21/06/2014, 23:20
Báo cáo hóa học: " Article ID 598038, 10 pages doi:10.1155/2008/598038 Research Article Hybrid Polling Method for Direct Link Communication for IEEE 802.11 Wireless LANs Woo-Yong Choi" pot
... 2008, Article ID 598038, 10 pages doi :10. 1155/2008/598038 Research Article Hybrid Polling Method for Direct Link Communication for IEEE 802.11 Wireless LANs Woo-Yong Choi Department of Industrial ... The hybrid polling method can improve the MAC performance by reducing the scheduling overhead. 6. CONCLUSIONS In this paper, we proposed the hybri...
Ngày tải lên: 21/06/2014, 23:20
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
Báo cáo hóa học: " H.264 Layered Coded Video over Wireless Networks: Channel Coding and Modulation Constraints" docx
... 10.1155/ASP/2006/85870 H.264 Layered Coded Video over Wireless Networks: Channel Coding and Modulation Constraints M. M. Ghandi, B. Barmada, E. V. Jones, and M. Ghanbari Department of Electronic Systems ... prioritised transmission of H.264 layered coded video over wireless channels. For appropriate protection of video data, methods such as prioritised fo...
Ngày tải lên: 22/06/2014, 23:20
Báo cáo hóa học: " IEEE 802.11 Wireless LANs: Performance Analysis and Protocol Refinement" pot
... S. Cheng, and J. Ma, Performance of reliable transport protocol over IEEE 802.11 wireless LAN: analysis and enhancement,” in Proc. 21st Annual Joint Confer- ence of the IEEE Computer and Communications ... IEEE, Ieee standard for wireless LAN medium access control (MAC) and physical layer (PHY) specification: higher-speed physical layer in the 5 GHz band,” IEEE 802.1...
Ngày tải lên: 23/06/2014, 00:20
Wireless LANs: 802.11 and Mobile IP docx
... on 802.11 and spread spectrum by J.Zyren, A.Petrick, C.Andren http://www.intersil.com Mobile IPv4 – RFC 3344 (main) IPv6 and Mobile IPv6 – many RFCs, Internet drafts – http://www.iprg.nokia.com/~charliep/ ... 29 802.11- in the TCP /IP stack mobile terminal access point server fixed terminal application TCP 802.11 PHY 802.11 MAC IP 802.3 MAC 802.3 PHY application TCP...
Ngày tải lên: 31/07/2014, 11:20