Broadcast-Based Peer-to-Peer Collaborative Video Streaming Among Mobiles

Abstract

Abstract-In traditional mobile streaming networks such as 3G cellular networks, all users pull streams from a server. Such pull model leads to high streaming cost and problem in system scalability. In this paper, we propose and investigate a fully distributed, scalable, and cost-effective protocol to distribute multimedia content to mobiles in a peer-to-peer manner. Our protocol, termed Collaborative Streaming among Mobiles (COSMOS), makes use of broadcasting and data sharing to achieve high performance (in terms of delay, cost fairness, stream continuity, etc.). In COSMOS, only a few peers pull video descriptions from base stations. Using a free broadcast channel (such as Wi-Fi and Bluetooth), they share the streams to nearby neighbors. As a result, COSMOS greatly reduces the streaming cost and cellular bandwidth requirement. Furthermore, as video streams are supplied by multiple peers, COSMOS is robust to peer failure. Since broadcasting is used to distribute video data, COSMOS is highly scalable to large number of users. In COSMOS, peers autonomously determine whether to broadcast packets or not in order to efficiently use of the channel bandwidth. By taking turns to pull descriptions, peers can effectively share, and hence substantially reduce, streaming cost. As broadcast scope is small and peers can often obtain a number of streams from its neighbors, COSMOS achieves low delay and excellent stream continuity.

LocalTree: An Efficient Algorithm for Mobile Peer-to-Peer Live Streaming

“…(the selection of p is outside the scope of this paper; an approach has been discussed in [3].) One-hop broadcast is assumed in this paper.…”

“…In unstructured mesh, each node makes its own relay decision based on local information [3]. They are not generally optimal in terms of energy consumption.…”

Peer To Peer Content Sharing On Wi-Fi Network For Smart Phones

“…For example, as part of a home entertainment system, the user of a smart phone may wish to upload user-generated content such as newly-taken videos to another smart phone or tablet device, to a media player connected to a TV, or perhaps to a wireless picture frame. Several users may be interested in automatically receiving multimedia from one particular source [3][4] [5] . The problem is that when employing a 3G wireless data connection and uploading to a traditional web server, these transfers can quickly become prohibitively expensive.…”

Multimedia data in hybrid vehicular networks

“…An attractive application of VANETs is sharing of multimedia data such as songs and video clips (called reports in this paper) [3,7,8,9,14,15]. Existing studies explored two paradigms of sharing multimedia data in VANETs, namely push (data-to-query) and pull (query-to-data).…”

“…In the pull paradigm, queries are proactively disseminated; multimedia reports are disseminated as responses to received queries [7,15]. VANETs have also been considered as an augment to the cellular communication [8,9]. In this case, the multimedia data sources reside on the fixed network.…”