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:
Jan. 20, 2009
Filed:
Apr. 02, 2001
Shinichi Baba, Morristown, NJ (US);
Tadahiko Maeda, Summit, NJ (US);
Tao Zhang, Fort Lee, NJ (US);
Prathima Agrawal, New Providence, NJ (US);
Shinichi Baba, Morristown, NJ (US);
Tadahiko Maeda, Summit, NJ (US);
Tao Zhang, Fort Lee, NJ (US);
Prathima Agrawal, New Providence, NJ (US);
Toshiba America Research, Inc, Morristown, NJ (US);
Telcordia Technologies, Inc, Morristown, NJ (US);
Abstract
For IP-based wireless systems in which base stations are connected by an IP network and communication among base stations is not controlled by the centralized management, a new system and method for realizing soft handoff by using encapsulation in order to distribute and gather a reproduced packet by the serving base station with other base stations and to transfer the serving role between the base stations as the mobile station moves is described.