a performance comparison of multihop wireless ad hoc network routing protocols

Ngày tải lên: 22/06/2014, 00:20

... ADSN: ACK duplication sequence number; ACKs: acknowledgements; AODV: ad hoc on-demand distance vector; ATCP: ad hoc TCP; ADV: adaptive distance vector; APS: adaptive packet size; APS-FeW: adaptive ... 7, which adds an extra data packet (DATA2) to the norma l exchange procedure of RTS/CTS/DATA/ACK, where DATA2 is a packet mov- ing in the opposite direction to that of packet DATA1. In addition, ... TCP detection of out -of- order and response; TCP-DAA: TCP dynamic adaptive ACK; TCP-DAA: TCP dynamic adaptive acknowledgement; TPSN: TCP packet sequence number; TCP-ADA: TCP with adaptive delayed acknowledgement; TCP-AP:...

Ngày tải lên: 21/06/2014, 00:20

... traffic load, RAUR has shown more tolerance to the increase of network traffic load, it is scalable as the routing load change is small and gradual even at higher number of sending sources. The advantages ... invalid path will realize the invalid path when it receives the data packet and tries to forward it according to the path found in its header. The data packet is treated like any data packet that cannot ... queried destination is an important factor in evaluating the efficiency of the routing protocols. The traditional flooding routing protocols have the advantages that they normally have high success rate in...

Ngày tải lên: 21/06/2014, 17:20

... thoroughly. Data was gathered for 35 variables measuring various aspects of behavior, including general information (13 variables), search space (8 variables), processing time (7 variables), and mamory ... A Practical Comparison of Parsing Strategies Jonathan Slocum Siemens Corporation INTRODUCTION Although the literature dealing with formal and natural languages abounds with theoretical arguments ... data for only five combinations of parser and grammar. Linguistic Grammar In terms of the number of grammar rules found applicable by the parsers, DIAMOND instantiated the fewest (aver- aging...

Ngày tải lên: 08/03/2014, 18:20

... horse Power analysis Fault injection Timing analysis Electomagnetic analysis Physical attacks Software attacks Ad hoc node attacks Side-channel attacks Figure 3.1 Classification of attacks on an ad hoc ... the activities of the bus on the chip. Software attacks Software attacks are a major threat to an ad hoc node: they are launched using malicious agents such as a worm or a virus and can affect ... internal and external. External attacks can again be classified as active or passive. In this section, the various kinds of routing attacks are briefly discussed. 3.6.1 Internal attacks An internal...

Ngày tải lên: 25/03/2014, 12:07

... by Nagata et al. [27], who compared feasibility of health measurement response scales using four, five and seven categories and a visual analog scale. The level of missing data was least and ... are available. However, there is often a trade-off between scale reliability and ease of administration [11]. One study using the NHP indicated that the psychometric performance and patient accepta- bility ... L, Brown JP, Murray TM, Adachi JD, Hanley DA, Papadimitropoulos E: Canadian normative data for the SF-36 health survey. Canadian Multicentre Osteoporosis Study Research Group. CMAJ 2000, 163:265-271. 37....

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Ngày tải lên: 21/07/2014, 16:21

Ngày tải lên: 09/08/2014, 10:20

Ngày tải lên: 13/08/2014, 20:21

... sử dụng Ad Hoc bạn v a tạo ra. netsh wlan set hostednetwork mode=allow ssid=<enter _network_ name_here> key=<enter _network_ name_here><ent er_password_here> Thay đổi ... nối ad- hoc trong Home networking connection. Hưỡng dẫn tạo Wireless Ad hoc / Access Point trong Windows 8 Bây giờ bạn có thể kết nối với bất kỳ thiết bị sử dụng kết nối adhoc/ access ... vào netsh wlan start hostednetwork. Nếu bạn muốn kết nối với internet thì bạn phải thực hiện thêm một bước n a trong việc tạo ra một adhoc / access trong Windows 8. Nếu nó ch a được kích...

Ngày tải lên: 26/02/2014, 04:20

... intonation to Vietnamese EFL learners The pronunciation mistakes made by people learning to speak a foreign language are almost always carry-overs from their native languages. Through a comparison ... effective materials are those that are based upon a scientific description of the language to be learned, carefully compared with a parallel description of the native language of the learner” ... optional components may be present: an initial consonant, a sound indicating the labialization (rounding of the lips) of the syllable, and a final consonant or semivowel. In case of the Vietnamese...

Ngày tải lên: 05/03/2014, 12:20

... 400 Lake Powell Hyrum State Park Yuba Lake State Park Moab River Ranger Great Salt Lake Park Wasatch Mountain State Park Sand Hollow State Park Steinaker State Park Utah Lake State Park Quail ... Park Snow Canyon State Park Palisade State Park Antelope Island State Park Starvation State Park Escalante State Park Huntington State Park East Canyon State Park Fremont/Otter Creek State Parks Kodachrome ... State Park Bear Lake State Park Willard Bay State Park Law Enforcement Admin. Deer Creek State Park Coral Pink Sand Dunes State Park Rockport State Park Jordanelle State Park Green River State...

Ngày tải lên: 06/03/2014, 23:20

... suggest that UTOPIA’s board and management team adopt a number of management and financial controls that will strengthen their oversight of the agency and their ability to hold people accountable ... result was a significant amount of stranded investment. As reported in Chapter II, UTOPIA officials state they are making a concerted effort to free already stranded assets. Additionally, moving ... GENERAL State of Utah Office of the Utah Legislative Auditor General - 11 - UIA also now has a negative financial position. UTOPIA’s major liabilities include $185 million of bonds payable,...

Ngày tải lên: 06/03/2014, 23:20

... Ad- Hoc Networks26 Chapter 1 Comparison of the Maximal Spatial Throughput of Aloha and CSMA in Wireless Ad- Hoc Networks B. Blaszczyszyn, P. Mühlethaler and S. Banaouas Additional information is available ... Maximal Spatial Throughput of Aloha and CSMA in Wireless Ad- Hoc Networks http://dx.doi.org/10.5772/53264 15 Comparison of the Maximal Spatial Throughput of Aloha and CSMA in Wireless Ad- Hoc Networks ... Contents Preface VII Section 1 MAC Protocols for Wireless Ad- Hoc Networks 1 Chapter 1 Comparison of the Maximal Spatial Throughput of Aloha and CSMA in Wireless Ad- Hoc Networks 3 B. Blaszczyszyn,...

Ngày tải lên: 14/03/2014, 21:20