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TU Berlin

Inhalt des Dokuments

Publications 1998

Journal Papers And Book Chapters

Hagen Woesner, Jean-Pierre Ebert, Morten Schläger and Adam Wolisz (1998). Power-Saving Mechanisms in Emerging Standards for Wireless LAN's: The MAC-Level Perspective. IEEE Personal Communication Systems (Special Edition on Power Saving), 40–48.

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Jean-Pierre Ebert, Ralf Holtkamp, Adam Wolisz and Louis Ramel (1998). A Distributed Media Access Control for Wireless ATM Environments. Advances in Wireless Communications. Kluwer, 93–108.

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Christian Röhl, Hagen Woesner and Adam Wolisz (1998). A Short Look on Power Saving Mechanisms in the Wireless LAN Standard IEEE 802.11. Advances in Wireless Communications. Kluwer, 219–226.

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Hagen Woesner (1998). Primenet - A Concept for a WDM-based Fiber Backbone. Optical Network Design and Modelling. Kluwer, 98–106.

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Conference Proceedings

Simultaneous MAC-Packet Transmission in Integrated Broadband Mobile System for TCP
Citation key fitzek98:_simul_mac_packet_trans_integ2
Author Frank Fitzek, Berthold Rathke, Morten Schläger and Adam Wolisz
Title of Book Proc. of ACTS SUMMIT 1998
Pages 580–586
Year 1998
Address Rhodos, Greece
Month jun
Abstract On a common sensor node platform (Telos) we sample RSSI with high frequency during packet reception. We nd that a packet collision (RF interference) often manifests as a measurable, temporal increase in RSSI. We investigate how the receiver can use this information to detect interference and, through temporal correlation, estimate the bit error positions in a corrupted packet. In an experimental study in two testbeds and several realistic BAN scenarios we show that a simple threshold-based algorithm often succeeds in estimating a large fraction of the bit error positions correctly. We develop an ARQ scheme that utilizes the error estimates to reduce the size of retransmitted packets. For this ARQ scheme we present an analytical model and verify it experimentally. Our results indicate that in comparison with a standard Send-and-Wait ARQ the expected number of bits per transmission can be reduced signi cantly (in our measurements by up to 14.7 %).
Bibtex Type of Publication ConferenceProceedings
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TKN Technical Report Series

Berthold Rathke, Morten Schläger and Adam Wolisz, "Systematic Measurement of TCP Performance over Wireless LANs", TKN Technical Report Series TKN-98-001, Telecommunication Networks Group, Technische Universität Berlin, 1998

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Talks At Workshops Seminars

Adam Wolisz, "Potential terrestrischer Funkübertragung für Multimedia", DLR/ITG Diskussionssitzung Multimedia über Funk, Oberpfaffenhofen, Germany nov 1998.


Adam Wolisz, "Drahtloser Internet Zugang: Viele Probleme und einige Lösungen", Eingeladener Vortrag,Universität Chemnitz, Germany jun 1998.


Adam Wolisz, "Drahtlose Lokale Netze", Invited Tutorium, International Conference mar 1998.


Miscellaneous

Michael Eyrich, "An Environment for Dynamically Configurable Protocols located in User Space", Technische Universität Berlin, PRZ, TKN , , 1998 EDYPLUS

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