Handover execution and communication resumption in wireless...

Details Handover execution and communication resumption in wireless... Handover execution and communication resumption in wireless...

2011-04-26

2011-04-26

Mehrpour, Melody (Department: 2617)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C370S331000

Reexamination Certificate

active

07933601

ABSTRACT:
Handover execution and communication resumption in a wireless access system is provided. Performing a handover includes communicating with a serving base station through a first communication link and receiving from the serving base station, handover information associated with at least one candidate target base station. The method also includes transmitting handover indicator to the serving base station indicating a handover operation to a selected target base station and performing a ranging procedure with the selected target base station to establish a second communication link with the selected target base station while maintaining the first communication link with the serving base station. The method also includes being released from the serving base station in response to a handover complete status message from the selected target base station to the serving base station, or resuming normal communication with the serving base station if the handover fails with the selected target base station.

REFERENCES:
patent: 6055427 (2000-04-01), Ojaniemi
patent: 6434137 (2002-08-01), Anderson et al.
patent: 6778830 (2004-08-01), Oizumi et al.
patent: 6879830 (2005-04-01), Vollmer et al.
patent: 6892071 (2005-05-01), Park et al.
patent: 6961572 (2005-11-01), Needham et al.
patent: 7110376 (2006-09-01), Lindoff et al.
patent: 7218646 (2007-05-01), Voyer et al.
patent: 7447746 (2008-11-01), Yamaguchi et al.
patent: 7818006 (2010-10-01), Kim et al.
patent: 2002/0045448 (2002-04-01), Park et al.
patent: 2002/0119779 (2002-08-01), Ishikawa et al.
patent: 2003/0002525 (2003-01-01), Grilli et al.
patent: 2003/0119514 (2003-06-01), Needham et al.
patent: 2004/0057402 (2004-03-01), Ramos et al.
patent: 2004/0058678 (2004-03-01), deTorbal
patent: 2005/0096051 (2005-05-01), Lee et al.
patent: 2005/0098051 (2005-05-01), Flint et al.
patent: 2005/0192011 (2005-09-01), Hong et al.
patent: 2005/0272426 (2005-12-01), Yang et al.
patent: 2005/0288023 (2005-12-01), Kim et al.
patent: 2006/0166677 (2006-07-01), Derakshan et al.
patent: 2007/0072615 (2007-03-01), Kim et al.
patent: 2007/0254666 (2007-11-01), De Jong et al.
patent: 2009/0181678 (2009-07-01), Kim et al.
patent: 2009/0181680 (2009-07-01), Kim et al.
patent: 2009/0186616 (2009-07-01), Kim et al.
patent: 2009/0275353 (2009-11-01), Fujita et al.
patent: 2009/0275453 (2009-11-01), Wu
patent: 1018849 (2000-07-01), None
patent: 2007-536786 (2007-12-01), None
patent: 2008-503172 (2008-01-01), None
patent: 10-2002-0012957 (2002-02-01), None
patent: 10-2002-0056315 (2002-07-01), None
patent: 10-2002-0064987 (2002-08-01), None
patent: 10-0688303 (2007-03-01), None
patent: 01-99291 (2001-12-01), None
patent: 02-089502 (2002-11-01), None
J.W. Kim et al., “Enhanced Handover Mechanism in IEEE P802.16e/D2-2004,” IEEE 802.16 Broadband Wireless Access Working Group, IEEE C802.16e-04/60r1, May 2004.
H. Kang et al., “Resource Remain Type for Drop or Ping Pong Call Recovery,” IEEE 802.16 Broadband Wireless Access Working Group, IEEE C802.16e-04/55r1, May 2004.
IEEE 802.16 Task Group e., “Part 16: Air Interface for Fixed and Mobile Broadband Wireless Access Systems—Amendment for Physical and Medium Access Control Layers for Combined Fixed and Mobile Operation in Licensed Bands,” IEEE 802.16e-03/07r5, Dec. 2003.
S. Kim et al., “Overall HO Procedures for IEEE 802.16,” IEEE 802.16 Broadband Wireless Access Working Group, IEEE C802.16e-03/47, XP-002334169, Sep. 2003.
P. Barber, “Revision of Hand-over Mechanism for Mobility Enhancement,” IEEE 802.16 Broadband Wireless Access Working Group, IEEE C802.16e-04/10, Jan. 2004.
Y. Leiba et al., “Handoff Text Clarifications and Enhancements,” IEEE 802.16 Broadband Wireless Access Working Group, IEEE 802.16e-04/87r1, May 2004.
H. Lim et al., “Enhancement to the BS-Initiated Handover,” IEEE 802.16 Broadband Wireless Access Working Group, IEEE C802.16e-04/59, May 2004.

Affiliated with

Also associated with

Rating

Handover execution and communication resumption in wireless... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Handover execution and communication resumption in wireless..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Handover execution and communication resumption in wireless... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2684261