[PDF] Top 20 A cross-layer design based on geographic information for cooperative wireless networks

... NTRODUCTION Geographic routing [1] is attractive operating in ad hoc networks, because of its good ...packets based on the geographic location of the source, the next hop and the destination ... Voir le document complet

... the design of enhancing system reliability in a central- ized manner [9], [12]–[14], neglectful of the needs of overhead produced by nodes coordination, unmindful of the feasibility of capturing a ... Voir le document complet

... SoftRate, a wireless bit rate adaptation proto- col that is responsive to rapidly varying channel ...confidence information calculated by the physical layer and exported to higher layers via ... Voir le document complet

... provisioning for multi-user video streaming over multiple heterogeneous wireless networks based on the distributed, cross-layer design ...evaluate a framework ... Voir le document complet

... architecture, cross-layer interactions have to be con- sidered in the framework ...address a cross-layer optimization problem of joint design of routing, Medium Access Control ... Voir le document complet

... iii) a node broadcasts an RTS packet to all its neighbors when it has a data packet to ...determination based on thresholds of received RTS’s signal to noise ratio (SNR), buffer size and energy ... Voir le document complet

... architecture, cross-layer interactions have to be con- sidered in the framework ...address a cross-layer optimization problem of joint design of routing, Medium Access Control ... Voir le document complet

... is a fast, flexible and scalable simulator for ad-hoc ...follows a Poisson distribution with the average inter arrival time varying from ...direction. For simulation convenience, there are 5 ... Voir le document complet

... the design and the performance evaluation of a joined process between the PHY (PHYsical) layer and routing layer in a multi-hop wireless ad hoc ...This cross-layer ... Voir le document complet

... has a conception cycle based on a massive use of Computer Assisted Design in order to allow more complex plane designs, and cheaper development costs compared to multiple prototyping ...in ... Voir le document complet

... layer wireless protocols to improve the performance of wireless ...with cross-layer pro- tocols requires a flexible way to convey information beyond the data itself from ... Voir le document complet

... are based on a network architecture that is quite different from the Internet architecture [da Hora et ...is based on addresses in a hi- erarchical way. A typical MANET architecture ... Voir le document complet

... Diversity for a wide-range of research at the network ...two-hop networks and the analysis has been based on information theory results for relay ...in a fading ... Voir le document complet

... provide a good survey of frame-level schemes in ...by design, less responsive to channel variations than SoftRate because one requires multiple frame receptions to accurately estimate channel state at any ... Voir le document complet

... NTRODUCTION Geographic routing [1]–[3], relying on the knowledge of geographic location information of nodes to make local route decisions, is a promising routing solution to the demand of ... Voir le document complet

... Abstract: Wireless Mesh Networks (WMNs) have become an interesting answer for broadband wireless ...networking. Cross-layer optimization problems for WMNs de- ployment and ... Voir le document complet

... In a wireless cooperative communication system, each user is assumed to transmit data and act as a cooperative agent for another ...some information for its partner ... Voir le document complet

... the cross-layer approach to design a new protocol, PLOSA (Path-loss Ordered Slotted Aloha protocol), for ...is a widely used access protocol that is characterized by its ... Voir le document complet

... Cooperative Relay Techniques 1.1 Introduction In wireless communications, the quality of a received signal is attenuated by not only additive noise, but also path-loss and multi-path fading ... Voir le document complet

... Specifically, we discuss the use of: Variational techniques; stochastic approximation methods for global optimization, and linear threshold net- works. Finally, we pres[r] ... Voir le document complet