US 7,321,587 B2
Handover resource optimization
Xia Gao, San Jose, Calif. (US); Moo R. Jeong, San Jose, Calif. (US); Fujio Watanabe, Sunnyvale, Calif. (US); and Gang Wu, Cupertino, Calif. (US)
Assigned to NTT Docomo, Inc., Tokyo (Japan)
Filed on Nov. 15, 2002, as Appl. No. 10/295,800.
Prior Publication US 2004/0095912 A1, May 20, 2004
Int. Cl. H04Q 7/24 (2006.01)
U.S. Cl. 370—388  [370/468] 37 Claims
OG exemplary drawing
 
1. A method for maintaining a quality of service in a wireless communication network, comprising the steps of:
creating a first reservation in a first data path between a corresponding terminal and a wireless terminal, where the first data path includes a segment between a home agent and a first foreign agent;
creating a second reservation in a second data path between the corresponding terminal and the wireless terminal, where the second data path includes a segment between the home agent and a second foreign agent, and wherein the first and second data paths are distinct data paths; and
sharing a resource between the first and second reservations on a router common to the segments of the first and second data paths.