Opportunistic cooperation in wireless networks

... Related Work In this section, we introduce two successful examples of applying opportunistic cooperation in wireless networks They are cooperative diversity and opportunistic forwarding/routing Both ... OPPORTUNISTIC COOPERATION IN WIRELESS NETWORKS Abstract Cooperation plays a fundamental role in wireless networks Many cooperative techniques, such as cooperati...

Ngày tải lên: 14/09/2015, 08:42

... v Summary In this thesis, we use game theoretical approaches to study several cooperation issues in wireless networks Firstly, we investigate the coverage problem in wireless sensor networks We ... function of SINR and a decreasing function of power By increasing power, the user can increase her SINR, however, it may require others to increase their own power to main...

Ngày tải lên: 15/09/2015, 22:30

... Robin Scheduling Max CNR Scheduling Proportional Fair Scheduling Normalized CNR Scheduling Borst&Whiting Scheduling Optimal Scheduling Adaptive Optimal Scheduling Adaptive Optimal Scheduling ... Robin Scheduling Max CNR Scheduling Proportional Fair Scheduling Normalized CNR Scheduling Borst&Whiting Scheduling Optimal Scheduling Adaptive Optimal Scheduling Adaptiv...

Ngày tải lên: 21/06/2014, 01:20

... field application-perceived Quality of Service The work was done at the School of Engineering at Blekinge Institute of Technology (BTH) in the context of the Personal Information for Intelligent ... Messaging services, sending information essentially in one direction when required; • Interactive services, sending information in both directions in a request/response manner...

Ngày tải lên: 18/10/2013, 12:15

... Cite this article as: Zhang et al.: Feedback-based adaptive network coded cooperation for wireless networks EURASIP Journal on Wireless Communications and Networking 2011 2011:164 Acknowledgements ... with networks-on-graph: adaptive network coding for wireless relay networks, in Proc Allerton Conf on Commun, Control and Computing, Urbana Champaign, IL (Sept 2005) X Ba...

Ngày tải lên: 20/06/2014, 22:20

... unfairness by reducing the chances of transmission for the sending stations in the way of increasing the minimum contention window size The downlink compensation access (DCA) algorithm in [16] gives ... presence of link errors In order to handle wireless link errors within TaLE framework, we need to measure and reflect link reliability into the proposed algorithm Underlying reasonin...

Ngày tải lên: 20/06/2014, 22:20

... source-destination pair on a DAG We obtain an optimal joint scheduling and rate control solution that provides a shortest path Although finding a shortest path on a DAG has a polynomial complexity in the number ... list with the most commonly appearing variables in the paper to facilitate the reader The variables are listed in the order they appear in Table b...

Ngày tải lên: 20/06/2014, 22:20

... unfairness by reducing the chances of transmission for the sending stations in the way of increasing the minimum contention window size The downlink compensation access (DCA) algorithm in [16] gives ... presence of link errors In order to handle wireless link errors within TaLE framework, we need to measure and reflect link reliability into the proposed algorithm Underlying reasonin...

Ngày tải lên: 21/06/2014, 00:20

... multiple wireless interfaces and multihoming Therefore, we proposed QA -SCTP (quality-aware SCTP) to enhance the SCTP operation mechanism to improve performance SCTP Path Management As stated in the introduction, ... 150 Time (s) Quality-aware SCTP SCTP (RFC4960): path2 SCTP (RFC4960): path1 200 250 300 Quality-aware SCTP 11 MB/11 MB Quality-aware SCTP 11 MB/6 MB SCT...

Ngày tải lên: 21/06/2014, 18:20

... Van Do, TCP- ELN: on the protocol aspects and performance of explicit loss notification for TCP over wireless networks,” in Proceedings of the 1st International Conference on Wireless Internet ... will increase Link Layer Originated Explicit Link Status Notification In this section, we describe the detailed operation of the proposed ELN scheme, that is, LL-ELSN, and an...

Ngày tải lên: 21/06/2014, 20:20

... collaboratively detect wireless intrusions [5, 11] Wavelet Theory Fundamentals Intrusion Detection in Wireless Networks This section examines the state of intrusion detection in wireless networks, ... on statistical approaches The wireless intrusion detection system is a network component aiming at protecting the network by detecting wireless attacks, which target...

Ngày tải lên: 21/06/2014, 22:20

... 2 EURASIP Journal on Wireless Communications and Networking this protocol, both under an individual and a sum-power constraint assuming perfect channel state information ¨ In the third article, ... delve into the ou appropriate coding schemes for a two-user cooperative communications channel They propose the use of coordinate interleaved trellis codes over QPSK and 8PSK modulations...

Ngày tải lên: 21/06/2014, 22:20

... to estimate the location of a transmitter with minimal information available at a set of receivers Our approach adapts the concept of moving average from a weighting method over time and applies ... et al [17] and localizes the transmitting source of a message to the (x, y) coordinates obtained from averaging the coordinates of all receiving devices within range Weighted...

Ngày tải lên: 21/06/2014, 23:20

... communication interface for information exchange In other words, we could keep the first interface for data communication and the second for channel scanning and control information sharing This approach ... on top of the main mechanisms determined by the 802.11k standard and it is fully compliant with it More information about the performance of the 802.11k standard can be obtai...

Ngày tải lên: 21/06/2014, 23:20

... International University His research area includes network security and multicasting, wireless networks, intrusion detection, adaptive routing and forwarding protocols, flow and congestion control, ... Journal on Wireless Communications and Networking security policies must be reconciled by removing some part of the policies Since the security goals for a system affect how the...

Ngày tải lên: 22/06/2014, 22:20