AN1204 microchip miwi™ p2p wireless protocol

... The types of topologies used for sensor networks include star, mesh, star-mesh etc [2] In Wireless sensor networks there are two kinds of wireless nodes; sensor and base station nodes The main ... ensuring that the LEAP protocol is able to handle all three scenarios aforementioned, the LEAP protocol will be improved in terms of security for WSNs I used the...

Ngày tải lên: 05/03/2014, 23:20

... second mechanism, adaptive pacing, is used for regulating the data flow in a more balanced and fair way Adaptive pacing adds an extra interval to the backoff time, which is equal to the transmission ... However, only a single path is used for data transmission and the second one maintained as a backup path to minimise the chance of route unavailability To select a primary path...

Ngày tải lên: 21/06/2014, 00:20

... http://jwcn.eurasipjournals.com/content/2 011 /1/ 3 10 11 12 13 14 15 Page 12 of 12 T Korakis, Z Tao, Y Slutskiy, S Panwar, A cooperative MAC protocol for ad hoc networks IEEE Pervasive Computing and ... ITU-R M .12 25 http://www.itu.int/oth/R0A0E00000C/en (2009) doi :10 .11 86 /16 87 -14 99-2 011 -3 Cite this article as: Khalid et al.: Coherence time-based cooperativ...

Ngày tải lên: 21/06/2014, 03:20

... slot scheduling algorithm performs well in static networks, but lacks support for dynamic network Self-Organizing Medium Access Control for Sensor Networks (SMACS) [30] protocol assigns a locally ... 22 EURASIP Journal on Wireless Communications and Networking [22] W Ye, J Heidemann, and D Estrin, Medium access control with coordinated adaptive sleeping for wireless...

Ngày tải lên: 21/06/2014, 11:20

... resistance against the hardest attack: node compromising STKM: A Spanning Tree- Based Key Management Solution for WSNs In this section, we describe a new key management protocol for WSNs Our main objective ... paper Each sensor node i, including the base station, maintains the following variables (i) Fatheri : the father of the sensor in the final spanning tree The b...

Ngày tải lên: 21/06/2014, 11:20

... enhance the system goodput for the IEEE 802.11n networks In this paper, a frame-aggregated link adaptation (FALA) protocol is proposed to maximize the goodput performance for the IEEE 802.11n networks ... variation Proposed Frame-Aggregated Link Adaptation (FALA) Protocol By using the PHY layer information, it is intuitive that the CLA scheme should result in enhanced good...

Ngày tải lên: 21/06/2014, 17:20

... and provide performance comparison with other routing algorithms We also conduct an approximated mathematical analysis for the RAUR to analyze its performance RAUR is a source routing- based algorithm ... traffic load, it is scalable as the routing load change is small and gradual even at higher number of sending sources The advantages of RAUR are due to its unicast routing...

Ngày tải lên: 21/06/2014, 17:20

... Non-cooperative game Co-operative game Complete information game Game of strategy and chance Dynamic (sequential) game Static (Simultaneouse) game Figure 1: Classification of games Superframe-1 Active ... collision and less idle waiting time in backoff procedure In “Incomplete Game , access delay performance is far better than “NM”, and comparable with “IBM”, as it can easily ada...

Ngày tải lên: 21/06/2014, 17:20

... A power efficient MAC protocol for wireless body area networks Moshaddique Al Ameen1, Niamat Ullah1, M Sanaullah Chowdhury1, S M Riazul Islam1 and Kyungsup Kwak*1 UWB Wireless Communications ... sana1691@yahoo.com SMRI: riazulislam@ieee.org Abstract Applications of wearable and implanted wireless sensor devices are hot research area A specialized field called the bo...

Ngày tải lên: 21/06/2014, 17:20

... personal, and local ad hoc wireless networks,” in The Handbook of Ad Hoc Wireless Networks, chapter 1, pp 3–24, CRC Press, Boca Raton, Fla, USA, 2002 [26] S Xu and T Saadawi, “Does IEEE 802.11 MAC protocol ... Summarizing, the SNAPdMac protocol outperforms the IEEE 802.11 DCF [1] and basic power control protocol [2] in static and mobile ad hoc networks both i...

Ngày tải lên: 21/06/2014, 22:20

... unsuitable for packet forwarding in a chain network This problem is reduced in Channel MAC due to the channel diversity as shown in both the single chain and multiple chain 14 EURASIP Journal on Advances ... shown in this figure for comparison Endto-end packet delay versus P for both Channel MAC and IEEE 802.11 in single-hop case is shown in Figure In a single-hop...

Ngày tải lên: 21/06/2014, 22:20

... = for 802.15.4 residual channels [19] and K = 10 for 802.11 residual channels [21], and we perform all our analysis for a parameterized value of K so that the analysis is valid for Markov channels ... results for reliable transmission over a single hop Multihop results are similar and are skipped for brevity For Packet Length Optimization, we use packet sizes of 15, 20 and...

Ngày tải lên: 21/06/2014, 22:20

... efficient reliable multicast MAC protocol based on the connectivity information among the recipients Enhancing the BMMM protocol, the proposed reliable multicast MAC protocol improves the MAC performance ... significant performance improvement by our reliable multicast MAC protocol Compared with the BMMM protocol, our EURASIP Journal on Wireless Communications and N...

Ngày tải lên: 21/06/2014, 23:20

... packet Therefore, data packets are piggybacked to update buffer state When a sensor x sends out a data packet, it piggybacks its residual-buffer size in the frame header If a neighbor y overhears ... the next hop node’s transport buffer Nodes maintain a queue at the transport layer and Faisal B Hussain et al forward a single packet from it during their allocated slots Packet delivery...

Ngày tải lên: 21/06/2014, 23:20

... Wang, and W Wang, Wireless mesh networks: a survey,” Computer Networks, vol 47, no 4, pp 445– 487, 2005 [5] Mesh Networks, http://www.meshnetworks.com/ [6] Radiant Networks, http://www.radiantnetworks.com/ ... header TORA is an adaptive on-demand routing protocol designed to provide multiple loop-free routes to a destination, thus minimizing reaction to topological changes Th...

Ngày tải lên: 22/06/2014, 19:20