... UNIVERSITY OF TECHNOLOGY AND ENGINEERING Binh Minh Nguyen EFFICIENT CORE SELECTION FOR MULTICAST ROUTINGIN MOBILE ADHOCNETWORKS GRADUATION THESIS Faculty of Information Technology Supervisor: ... participating, the network topology, link state, Which are not available or too expensive to acquire in mobile adhocnetworks There are many proposed protocol for multicast routingin mobile adhoc networks, ... covers all nodes in the multicast group Routing protocols designed for mobile adhocnetworks maintain only approximate and minimal topology information, and therefore designing a center selection...
... outgoing packet according to a preset routing metric Adhoc on-demand distance vector routing (AODV) is used for adhocnetworks to create routes as they are needed In this paper, AODV routing ... Traditional AODV with minimum hop routing for CDMA adhoc mobile networks using omnidirectional antennas (II) Proposed AODV with energy as routing metric for CDMA adhoc mobile networks using ... (III) Traditional AODV with minimum hop routing for CDMA adhoc mobile networks using directional antennas (IV) Proposed AODV with energy as routing metric for CDMA adhoc mobile networks using directional...
... sensing given the inherent inaccuracy of spectrum sensing Page of 15 Coordinated Sender-Receiver Sensing Inadhoc environments in which nodes are exposed to different parts of the network, the interference ... SU-TX Receiving Acknowledgement tx (Pint rx (Pint if receive(ACK) and Rmin < R(i) then max−1 Single_SU = increase(Rmin) else current_spectrum = Single_SU = Rmin = R1 end if (i) E[Pint ⎧ 2 (i) ... cognitive radio adhocnetworksAdHoc Netw Elsevier 7(5), 810–836 (2009) doi:10.1016/j adhoc.2009.01.001 HB Salameh, M Krunz, Channel access protocols for multihop opportunistic networks: challenges...
... sensing given the inherent inaccuracy of spectrum sensing Page of 15 Coordinated Sender-Receiver Sensing Inadhoc environments in which nodes are exposed to different parts of the network, the interference ... SU-TX Receiving Acknowledgement tx (Pint rx (Pint if receive(ACK) and Rmin < R(i) then max−1 Single_SU = increase(Rmin) else current_spectrum = Single_SU = Rmin = R1 end if (i) E[Pint ⎧ 2 (i) ... cognitive radio adhocnetworksAdHoc Netw Elsevier 7(5), 810–836 (2009) doi:10.1016/j adhoc.2009.01.001 HB Salameh, M Krunz, Channel access protocols for multihop opportunistic networks: challenges...
... of joining process Routing zone of S Routing zone of A Routing zone of B A Routing zone of S Routing zone of A A B S Routing zone of B B S MRREQ Source node MRREQ Source node MRREP Destination ... Johnson, “Adaptive demand-driven multicast routingin multi-hop wireless adhoc networks, ” in Proceedings of the 2nd ACM International Symposium on Mobile AdHoc Networking and Computing (MobiHoc ’01), ... proactive unicast routing protocol (the Bellman-Ford routing scheme) to maintain routing information about the cores, in which case considerable overhead may be incurred in a large network Link failures...
... delay routing (EBTDR) algorithm in the existing DSR protocol by introducing a delay in forwarding the packets by nodes, which is inversely proportional to the remaining energy level of the node In ... levels are given adjacent to the nodes) Thus, the basic idea behind our energy-aware routing protocols is to utilize diverse routing paths instead of continuous use of a single path In this section, ... provides a more optimized solution by considering the link traffic in an active network In HER algorithm, each node, instead of adding the remaining energy level, adds a cost metric to the route request...
... Seed, Supporting inter-vehicular and vehicle-roadside communications over a clusterbased wireless ad- hocrouting algorithm, in Proceedings of the Winter International Symposium on Information ... clustering All clustering algorithms incur some additional signaling overhead to Page-20 form and maintain their cluster structures The clustering overhead consists of: HELLO packets overhead, cluster ... stability can also in uence the signaling overhead A frequently changing clustering structure results in an increase in maintenance messages and thus increasing the load on nodes From the figure, we...
... replace flooding Utilize route cache information, creating reverse path in CREQ forwarding [13] Reactive routing protocols Piggybacking of CREQ & CREP on the routing packets CRLs maintenance and ... bootstrapping, applying a DCA private key, joining a new CH, evicting an existing CH, refreshing CH shares In Bootstrapping operation, to construct the shared key and establish a (k,n) threshold sharing ... even in the destination cluster or position Also, we can consider two kind of client nodes mobility, nodes mobility inside the nodes administrative domain and between the administrative domains...
... Symposium on Mobile Adhoc Networking and Computing: MobiHoc 2001 56–66 (2001) 39 RV Boppana, SP Konduru, An adaptive distance vector routing algorithm for mobile, adhoc networks, in INFOCOM 2001 Twentieth ... Maltz, Dynamic source routinginadhoc wireless networks Mobile Comput, 153–181 (1996) 25 D Kim, Y Choi, TCP-BuS: improving TCP performance in wireless adhoc networks, in Communications, 2000 ... networksAdhoc Netw 4, 687–708 (2006) doi:10.1016/j.adhoc.2005.08.001 37 E Hamadani, V Rakocevic, A cross layer solution to address TCP, intra-flow performance degradation in multihop ad hoc, networks...
... starting point and is then extended with linear and cubic terms; in addition, fitting parameters a1 through a4 are introduced: PR (x, ψ) = e−3(x/ψ) + i=1 x ψ i (2) Following the curve fitting process, ... Conclusions In this paper, we addressed the problem of determining an analytical expression for the probability of one-hop packet reception in vehicular adhocnetworks While this probability is in uenced ... and [11] additionally introduced a probabilistic radio wave propagation A deep mathematical analysis was proposed in [12] that studies a probabilistic radio wave propagation and the capturing effect...
... design in MIMO adhocnetworks The rest of this paper is organized as follows In Section 2, a review of the pertinent works on the precoding methods in MIMO adhocnetworks is presented In Section ... their SINR values Thus, maintaining a minimum SINR threshold would be more efficient in boosting up the system throughput Our proposition does not deal directly with the SINR of each stream Instead, ... knowledge, this formulation is not addressed before in the context of precoding in MIMO adhocnetworks This novel problem design is motivated, since in WLAN networks the successful reception...
... Q Yin, “Improving fairness among TCP flows crossing wireless adhoc and wired networks, ” in Proceedings of the 4th ACM International Symposium on Mobile AdHoc Networking and Computing (MobiHoc ... Klemm, and C Lindemann, “TCP with adaptive pacing for multihop wireless networks, ” in Proceedings of the 6th ACM International Symposium on Mobile AdHoc Networking and Computing (MobiHoc ’05), pp ... “L-region” In general for IEEE 802.11-based networks the term “link” is misleading Obviously, it is incorrect to consider an imaginary line between two communicating nodes as the link since the radio...
... that is, dynamic source routing and adhoc on-demand distance vector routing Their findings are expected to lead to further performance improvements of various adhocnetworksin the future The sixth ... interests are in the routing protocols and security in wireless internet and mobile adhoc networks; algorithms, complexity, power connectivity and coverage in wireless sensor networks; adaptation, ... dynamically adjusting power level for transmitting DATA/ACK according to the distances between the transmitter and its neighbors In addition, the power level for transmitting RTS/CTS is also adjustable...
... Bharghavan, Routingin ad- hocnetworks using minimum connected dominating sets,” in Proceedings of IEEE International Conference on Communications (ICC ’97), vol 1, pp 376–380, Montreal, Que, Canada, ... Gerla, Routingin clusterhead multihop, mobile wireless networks with fading channel,” in Proceedings of the IEEE Singapore International Conference on Networks (SICON ’97), pp 197–211, Singapore, ... calculating connected dominating sets for efficient routinginadhoc wireless networks, ” in Proceedings of the 3rd International Workshop on Discrete Algorithms and Methods for Mobile Computing and...
... any point in time, as it is common in the existing literature on mobility in MANETs In reality, fading links are the norm in wireless communication networks at the scales relevant for adhocnetworks ... Blackmore, “Link ratio for adhocnetworksin a rayleigh fading channel,” in Proceedings of the 3rd Workshop on the Internet, Telecommunications and Signal Processing (WITSP ’04), pp 252–255, Adelaide, ... environment,” in Proceedings of the 5th ACM International Symposium on Mobile AdHoc Networking and Computing (MobiHoc ’04), pp 145– 156, Roppongi Hills, Tokyo, Japan, 2004 [4] L Qin and T Kunz, “Increasing...
... multicasting inadhoc networks: the ALMA routing protocol,” AdHoc Networks, vol 4, no 2, pp 283–300, 2006 C Gui and P Mohapatra, “Overlay multicast for MANETs using dynamic virtual mesh,” Wireless Networks ... advantages would be brought in by replacing Pastry with CrossROAD In all previous experiments, CrossROAD has shown to outperform Pastry in multihop adhocnetworks by fixing all its inefficiencies (e.g., ... findings in using legacy p2p systems to support GC applications in multihop adhocnetworks From the study reported in [7–9], the design of an optimised p2p overlay network for multihop adhoc networks...
... communications for providing longlived broadcasting/multicasting in wireless adhocnetworks Our focus is on establishing source-initiated multicast trees to maximize network operating time in energy-limited ... Cheng, J Sun, M Min, and D.-Z Du, “Energy-efficient broadcast and multicast routinginadhoc wireless networks, ” in Proceedings of the 22nd IEEE International Performance, Computing and Communications ... by the shaded sector in Figure 5(a) There is no any other link included in the tree in the following grow operation Step In the second iteration, the link (4, 1) is found and added into the tree...
... well In hop-by-hop routing (also known as point-to-point routing) [3, 4], each data packet only carries the destination address and the next hop address Therefore, each intermediate node in the ... timer expires if τintra = expired if dist Lc , Lintra ≥ Dintra Disseminate intrascope update Lintra ← Lc Dintra τintra ← + Tc V else Dintra − dist Lc , Lintra τintra ← + Tc V if τinter = expired ... state routing for mobile AdHoc networks, ” IEEE J Select Areas Commun., vol 17, no 8, pp 1415–1425, 1999 [6] S C M Woo and S Singh, “Scalable routing protocol for AdHoc networks, ” Wireless Networks, ...
... communication networks are adaptive QoS routingin wireless adhoc networks, personal networks, body area networks, wireless access to vehicles (high bandwidth & driving speed), protocol boosting on ... J S Heidemann, and D Estrin, “Geography-informed energy conservation for adhoc routing, ” in Proc 7th Annual International Conference on Mobile Computing and Networking (MobiCom ’01), pp 70–84, ... An energy-efficient coordination algorithm for topology maintenance inadhoc wireless networks, ” in Proc 7th Annual International Conference on Mobile Computing and Networking (MobiCom ’01), pp...