The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 14, 2012
Filed:
Jan. 18, 2005
Chandrasekhar Narayanaswami, Wilton, CT (US);
Claus Michael Olsen, Cortlandt Manor, NY (US);
Marcel-catalin Rosu, Ossining, NY (US);
Chandrasekhar Narayanaswami, Wilton, CT (US);
Claus Michael Olsen, Cortlandt Manor, NY (US);
Marcel-Catalin Rosu, Ossining, NY (US);
Lenovo (Singapore) Pte. Ltd., Singapore, SG;
Abstract
To conserve energy, components in mobile devices normally have to transition less frequently between 'active' and 'sleep' modes, and to sleep for longer intervals. In accordance with at least one presently preferred embodiment of the present invention, there is broadly contemplated herein an approach to reduce energy consumption by using HTTP proxies to shape incoming WLAN traffic. Proxies contemplated herein use techniques specific to the HTTP payload to compensate for any negative impact that shaping may have. Thus, there is described herein the architecture of a “PowerAware Streaming Proxy” (PASP), built on a PowerAware x-Proxy (PAxP) framework. PASP preferably uses RTSP/RTP semantics to effectively schedule media streams across the WLAN. Herein, PASP is compared with PAWP, which is a PAxP extension for web traffic, and problem areas are identified.