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Dive into the research topics where Gunnar Rydnell is active.

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Featured researches published by Gunnar Rydnell.


vehicular technology conference | 2000

Automatic repeat request (ARQ) mechanism in HIPERLAN/2

Hui Li; Jan Lindskog; Göran Malmgren; György Miklós; Fredrik Nilsson; Gunnar Rydnell

A WLAN standard, called HIPERLAN/2 (H/2), is currently defined in the ETSI/BRAN project. The standard can provide wireless access to several fixed networks with high data rate (up to 54 Mbps) in 5 GHz frequency range. To guarantee robustness in various types of radio channels a selective repeat ARQ with partial bitmap SRPB has been adopted as an error control mode. The SRPB ARQ mechanism was selected due to efficient retransmissions and low overhead of ARQ acknowledgements. The dynamic assignment ARQ acknowledgement opportunities integrated in SRPB can reduce the delay of acknowledgements and enhance the throughput. In this paper we describe the SRPB ARQ mechanism in H/2 and show the simulated performance.


Archive | 1999

Integrated radio telecommunications network and method of interworking an ANSI-41 network and the general packet radio service (GPRS)

Francis Lupien; Paul Lee; John Walter Diachina; Gunnar Rydnell; Gunnar Thrysin


Archive | 2001

Method for power save

Jan Lindskog; Gunnar Rydnell; Per Grapatin


Archive | 2002

Method for multihop routing for distributed wlan networks

Jan Lindskog; Gunnar Rydnell; Peter Larsson


Archive | 2000

Selective repeat ARQ with efficient utilization of bitmaps

Göran Malmgren; Gunnar Rydnell; Jan Lindskog; György Miklós; Hui Li; Fredrik Nilsson


Archive | 2004

3G/GSM and WLAN Integration of Telephony

Gunnar Rydnell; Hans Rönneke; Stefan Rommer; Jan Lindskog


Archive | 2000

Mobile terminal decode failure procedure in a wireless local area network

Jan Lindskog; Gunnar Rydnell; Lorens Almehag; Göran Malmgren


Archive | 1999

Adaptive throughput in packet data communication systems using idle time slot scheduling

Timo Pohjanvouri; Jan Lindskog; Pär Wenåker; Torbjörn Kärnbo; Håkan Svensson; Gunnar Rydnell


Archive | 2006

Intersystem Change Involving Mapping Between Different Types Of Radio Bearers

Niklas Lundin; Hans Rönneke; Gunnar Rydnell; Stefan Karl Toth; Dirk Kopplin


Archive | 2002

Emergency packet data service

John Walter Diachina; Gunnar Rydnell

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