Deadline dependent coding-a framework for wireless real-time communication

Authors:
E. Uhlemann;P.-A. Wiberg;T. M. Aulin;L. R. Rasmussen
Affiliations:
-;-;-;-
Venue:
RTCSA '00 Proceedings of the Seventh International Conference on Real-Time Systems and Applications
Year:
2000

Citing 0
Cited 2

Energy-Aware Error Correction for QoS-Provisioning Real-Time Communications in Wireless Networks

IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
On the ability of the 802.11p MAC method and STDMA to support real-time vehicle-to-vehicle communication

EURASIP Journal on Wireless Communications and Networking - Special issue on wireless access in vehicular environments

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Abstract

A framework for real-time communication over a wireless channel is proposed. The concept of deadline dependent coding (DDC), previously suggested by the authors, is further developed using soft decision decoding of block codes to maximize the probability of delivering information before a given deadline. The strategy of DDC is to combine different coding and decoding methods with automatic repeat request (ARQ) in order to fulfil the application requirements. These requirements are formulated as two quality of service (QoS) parameters: deadline (t/sub DL/) and probability of correct delivery before the deadline (Pd), leading to a probabilistic view of real-time communication. An application can negotiate these QoS parameters with the DDC protocol, thus creating a flexible and dependable scheme.