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.

Date of Patent:
Apr. 10, 2012

Filed:

May. 24, 2005
Applicant:

Tsutomu Kitamura, Tokyo, JP;

Inventor:

Tsutomu Kitamura, Tokyo, JP;

Assignee:

NEC Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04W 4/00 (2009.01);
U.S. Cl.
CPC ...
Abstract

A processing capability for data communication with a packet terminal is secured while packet loss is prevented, and a load to a mobile station in a handover is reduced. A wireless communication system comprises mobile stationsandeach having a wireless interface a configured with an antennaand a wireless transmission/reception unitas well as a wireless interface b configured with an antennaand a wireless transmission/reception unit, MAC addresses being assigned to the wireless interfaces, and base stationsandfor performing data transfer with the mobile stationsand, a L2SWfor switching base stations that performs the data transfer, and a packet terminalfor performing the data communication with the mobile stationsand. When the mobile stationsandperform the handover, a data transfer MAC address assigned to the wireless interface (one of a and b) is reassigned to the other wireless interface.


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