A geographical segment architecture for vehicular ad hoc networks

... header We take directional broadcasting, intersection broadcasting and designated area broadcasting for examples 30 3.1.1 Directional Broadcasting For directional broadcasting, the propagation direction ... designated area broadcasting, so the receiver can process the packet accordingly The broadcasting strategy may be a combined type For example, directional broadcasting and intersec...

Ngày tải lên: 16/09/2015, 12:42

... break indicator piggybacked in the data packets to find an alternate path to destination D Thus, new arrived data packets can then be delivered via a new path S -A- E-C-D as shown in Figure 2.3 Particle ... is to provide learning and adapting capability in D C H G Primary path Link Alternate path Figure 6: Alternate path construction the traditional fuzzy modeling approach The target objec...

Ngày tải lên: 21/06/2014, 23:20

... this article as: Abdel Hafeez et al.: Clustering and OFDMA-based MAC protocol (COMAC) for vehicular ad hoc networks EURASIP Journal on Wireless Communications and Networking 2011 2011:117 ... architecture for ad hoc networks providing efficient and reliable point-topoint and broadcast services Wirel Netw 10, 359–366 (2004) J Blum, A Eskandarian, A reliable li...

Ngày tải lên: 20/06/2014, 22:20

... the average event reputation value as the average of the two largest event reputation values among all vehicles at a specific simulation timestamp A similar definition for the average event confidence ... value of an event record is calculated by the reputation value degradation function Equation (1) indicates the reputation degradation formula in which Ru represents the up...

Ngày tải lên: 21/06/2014, 23:20

... [Online] Available: http://gunpowder.stanford.edu/˜laik/projects/adhoc/mitigating.pdf [5] L Buttyan and J P Hubaux, “Enforcing service availability in mobile ad-hoc WANs,” in IEEE/ACM Workshop on Mobile ... unicast case As route-discovery broadcast can be viewed as a special case of multicast, this approach can also be applied to multicast if multicast is not frequently used in the s...

Ngày tải lên: 15/03/2014, 04:20

... A novel algorithm to form stable clusters in vehicular ad hoc networks on highways Zaydoun Y Rawashdeh∗ and Syed Masud Mahmud Electrical and Computer Engineering Department Wayne State University, ... (QoS) guarantee This includes Multimedia (e.g.,audio/video) and data (e.g., toll collection, internet access, weather/maps/information) applications Vehicular ad h...

Ngày tải lên: 20/06/2014, 20:20

... in a vehicular network The basic idea is to sign messages with ephemeral, anonymous, and traceable identities for both network security and user privacy For effectiveness and efficiency, we adopted ... second challenge is to preserve privacy within a secure network Drivers and passengers value their privacy and are unlikely to adopt applications that require them...

Ngày tải lên: 21/06/2014, 11:20

... Conclusions In this paper, we addressed the problem of determining an analytical expression for the probability of one-hop packet reception in vehicular ad hoc networks While this probability is in uenced ... simulations of VANETs for vehicular traffic management,” in Proceedings of the 4th ACM International Workshop on Vehicular Ad Hoc Networks (VANET...

Ngày tải lên: 21/06/2014, 22:20

... (cumulative traffic load along the path) as the main criterion and the standard deviation of path load as the second criterion in route selection In [11], Katzela and Naghshineh proposed a loadbalanced ... design can be applied to a broad range of areas in mobile ad hoc networking QoS provisioning is one of the most important research areas where the QoS Route Discovery Framewo...

Ngày tải lên: 23/06/2014, 00:20

... nghiên cứu giao thức Giao thức định tuyến lai ZRP VÀ TZRP - Giao thức định tuyến Zone Routing Protocol (ZRP) đề xuất để cung cấp định tuyến lai khuôn khổ chủ động ứng dụng hầu hết mạng di động với ... nút trì hai vùng: vùng rõ vùng mờ Bằng cách điều chỉnh kích thước hai Giao thức định tuyến lai ZRP VÀ TZRP vùng cách độc lập Vùng r...

Ngày tải lên: 02/06/2015, 16:33

... 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

Ngày tải lên: 21/06/2014, 08:20

... mobile ad- hoc networks,” Journal of Communications and Networks, vol 11, no 5, pp 509–517, 2009 [20] S Capkun, L Buttyan, and J P Hubaux, “Self-organized public key management for mobile ad hoc ... management scheme are: (1) Certificate Management: (a) Key generation: the node generates its keys by itself (b) Certificate issuance: each node issues certificates that b...

Ngày tải lên: 21/06/2014, 11:20

... and Weibull fading models We also consider the combined effect of lognormal shadow fading and small-scale fading models 1) Rayleigh fading: Assume that the received signal amplitude in V2V channel ... Jones, Connectivity analysis of wireless ad hoc networks with beamforming IEEE Trans Veh Technol 58(9), 5247–5257 (2009) [12] X Zhou, S Durrani, H Jones, Connectivity o...

Ngày tải lên: 21/06/2014, 17:20