Publication

Cooperative video streaming with dynamic compression at the terminal nodes

Tom Larsen
2008
Conference Papers

Abstract

Media content distribution constitutes a growing share of the services on the Internet. In recent years methods for cooperative media distribution has been a research area with high activity. Concurrently wireless internet connections have emerged. Wireless connection technologies, e.g. Wimax, have properties which make them suboptimal for cooperative distribution. In particular, the asymmetric relationship between the uplink and the downlink bandwidth makes the cooperative distribution difficult. Today two distinct source coding approaches are used; Layered Coding (LC) and Multiple Description Coding (MDC). A promising concept, termed MDC with Conditional Compression (MDC-CC), has been proposed in [1]. MDC-CC essentially acts as an adaptive hybrid between LC and MDC and is particularly interesting when combined with cooperative distribution. In this paper a scheme utilizing the concept of MDC-CC is proposed. The functionality of the scheme has been described and performance estimates using different distributions of redundancy has revealed that the proposed scheme has great potential.

Official source

https://infoscience.epfl.ch/entities/publication/500e24d7-d92d-4365-980f-88fdcf7161dc

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Tom Larsen
2008
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/500e24d7-d92d-4365-980f-88fdcf7161dc

About this result

Related concepts (32)

Cooperative

A cooperative (also known as co-operative, co-op, or coop) is "an autonomous association of persons united voluntarily to meet their common economic, social and cultural needs and aspirations through a jointly owned and democratically-controlled enterprise". Cooperatives are democratically controlled by their members, with each member having one vote in electing the board of directors.

Worker cooperative

A worker cooperative is a cooperative owned and self-managed by its workers. This control may mean a firm where every worker-owner participates in decision-making in a democratic fashion, or it may refer to one in which management is elected by every worker-owner who each have one vote. Worker cooperatives rose to prominence during the Industrial Revolution as part of the labour movement. As employment moved to industrial areas and job sectors declined, workers began organizing and controlling businesses for themselves.

Data compression

In information theory, data compression, source coding, or bit-rate reduction is the process of encoding information using fewer bits than the original representation. Any particular compression is either lossy or lossless. Lossless compression reduces bits by identifying and eliminating statistical redundancy. No information is lost in lossless compression. Lossy compression reduces bits by removing unnecessary or less important information.

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