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Bringing Mobility-Awareness to WLANs using PHY Layer Information

by Li Sun, Souvik Sen, Dimitrios Koutsonikolas
"... With the proliferation of smartphones and tablets, mobile de-vices are soon becoming a preferred medium of Internet ac-cess in Wireless LANs (WLANs). Due to their smaller form factor, these truly mobile devices allow the users to access the wireless networks while undergoing different types of mo-bi ..."
Abstract - Cited by 1 (0 self) - Add to MetaCart
-ploy appropriate strategies in order to sustain high perfor-mance. While previous work tried to detect mobility using hints from sensors available in today’s mobile devices, in this work, we demonstrate how different mobility modes can be distinguished by using physical layer information – Channel State

Proactive Handover Decision for Mobile IP based on Link Layer Information

by Stefan Aust, Carmelita Görg - First IFIP International Conference on Wireless and Optical Communications Networks (WOCN 2004
"... Abstract—Mobile IP provides mobility support in heterogeneous wireless networks where mobile nodes change the point of attachment. The mobility is handled within the network layer and depends on either receiving router advertisements or sending solicitations. However, this movement detection is not ..."
Abstract - Cited by 1 (0 self) - Add to MetaCart
Abstract—Mobile IP provides mobility support in heterogeneous wireless networks where mobile nodes change the point of attachment. The mobility is handled within the network layer and depends on either receiving router advertisements or sending solicitations. However, this movement detection

Poster paper Technical Description

by unknown authors
"... scripting is being used as a method of interacting with computers via WAP. Windows 98, NT 4.0 and Windows 2000 have the WSH engine allowing scripts to be written with either VB or Java script. Perl scripting can be integrated by installing Perl on the network servers and / or any other client machin ..."
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are investigating the use of RSA encryption to further enhance security. New generation mobile phones have built-in authentication ensuring that information is being sent from a trusted source.

Phy aided mac: A new paradigm

by Dola Saha, Aveek Dutta, Dirk Grunwald, Douglas Sicker - INFOCOM 2009. The 28th Conference on Computer Communications. IEEE , 2009
"... Abstract—Network protocols have traditionally been designed using a layered method in part because it is easier to implement some portions of network protocols in software and other portions must be implemented in hardware for performance reasons. These different implementation techniques enforce la ..."
Abstract - Cited by 6 (4 self) - Add to MetaCart
signal whether they have packets to send. By detecting the high energy at the simultaneous transmission, the AP gets the following information: a) which stations have packets to send and b) whether the traffic load is high, medium or low. Again, using the programmable physical layer, the AP schedules

Improvements on “IP – IAPP”: A fast IP handoff protocol for IEEE 802.11 wireless and mobile clients

by Ioanna Samprakou, Christos J. Bouras, Theodore Karoubalis, I. Samprakou, C. J. Bouras, T. Karoubalis , 2006
"... Abstract One of the most critical issues in introducing Wireless LAN (WLAN) real-time and delay sensitive applications, such as Voice over IP (VoIP), is guaranteeing IP service continuation during inter-subnet Basic Service Set (BSS) transitions. Even though WLANs offer very high channel bandwidth, ..."
Abstract - Cited by 4 (0 self) - Add to MetaCart
, they exhibit long network-layer handoff latency. This is a restraining factor for mobile clients using interactive multimedia applications such as VoIP or video streaming. In a previous work, we presented a novel fast and efficient IP mobility solution, called “IP-IAPP”, which offers constant IP connectivity

Wireless Netw DOI 10.1007/s11276-006-9202-6 Improvements on “IP – IAPP”: A fast IP handoff protocol for IEEE 802.11 wireless and mobile clients

by Ioanna Samprakou, Christos J. Bouras, Theodore Karoubalis, I. Samprakou, C. J. Bouras, T. Karoubalis , 2006
"... Abstract One of the most critical issues in introducing Wireless LAN (WLAN) real-time and delay sensitive applications, such as Voice over IP (VoIP), is guaranteeing IP service continuation during inter-subnet Basic Service Set (BSS) transitions. Even though WLANs offer very high channel bandwidth, ..."
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, they exhibit long network-layer handoff latency. This is a restraining factor for mobile clients using interactive multimedia applications such as VoIP or video streaming. In a previous work, we presented a novel fast and efficient IP mobility solution, called “IP-IAPP”, which offers constant IP connectivity

A Network Service Providing Wireless Channel Information for Adaptive Mobile Applications: Part I: Proposal

by unknown authors
"... Abstract — In this paper, we propose a network service that collects and processes PHY/MAC layer parameters for wireless channel conditions and provides them to adaptive mobile applications in clearly defined abstracted forms to aid them in their adaptation decision-making. This is to overcome one o ..."
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of the major hurdles in deploying powerful adaptive applications for mobile clients: lack of efficient access to wireless channel conditions. We put much of this burden on the proposed Wireless Channel Information (WCI) service so that applications and OS's do not have to access and process wireless PHY

WIRELESS LOCATION AWARE APPLICATIONS FOR MOBILE COMMERCE ABSTRACT

by Siak Chuan Tan, On Wong, Charles Watson
"... This paper explores the emerging issues of future mobile computing, reliability, privacy, locality and context aware applications. Different location aware methods with technologies like Infrared Devices, WiFi, GPS and Landmark-based reporting are reviewed. Infrared Devices suffer line-of-sight prob ..."
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platforms for detecting mobile clients are reviewed. Driver development for Microsoft DDK technologies and Linux-wlan kernel packages are explored in detail. The knowledge of location aids the efficiency of management system such as inventory control and customer information services. Services can

An accurate technique for measuring the wireless side of wireless networks

by Jihwang Yeo, Moustafa Youssef, Tristan Henderson, Ashok Agrawala - In Proceedings of USENIX/ACM WiTMeMo , 2005
"... Wireless monitoring (WM) is a passive approach for capturing wireless-side traffic with rich MAC/PHY layer information. WM can suffer, however, from low capture performance, i.e., high measurement loss, due to the unreliable wireless medium. In this paper, we experimentally show that WM can perform ..."
Abstract - Cited by 23 (3 self) - Add to MetaCart
Wireless monitoring (WM) is a passive approach for capturing wireless-side traffic with rich MAC/PHY layer information. WM can suffer, however, from low capture performance, i.e., high measurement loss, due to the unreliable wireless medium. In this paper, we experimentally show that WM can perform

Contention-based Medium Access Control with Physical Layer Assisted Link Differentiation

by Fanglei Sun, Victor O. K. Li, Zhifeng Diao, Zhengyuan Xu
"... Abstract — In this paper, we develop contention-based medium access control (MAC) schemes for both best-effort data transmis-sions and delay-sensitive multimedia transmissions over WLANs. A user detection module and a multi-rate adaptation module are proposed in the physical layer to assist in link ..."
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Abstract — In this paper, we develop contention-based medium access control (MAC) schemes for both best-effort data transmis-sions and delay-sensitive multimedia transmissions over WLANs. A user detection module and a multi-rate adaptation module are proposed in the physical layer to assist in link
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