[54] METHOD FOR DETERMINING OPTIMAL PARENT TERMINAL AND AD HOC NETWORK SYSTEM FOR THE SAME
[75] Inventor: Takeaki Minamisawa, Tokyo, Japan
[73] Assignee: NEC Corporation, Japan
[21] Appl. No.: 08/965,297
[22] Filed: Nov. 6, 1997
[30] Foreign Application Priority Data
Nov. 7, 1996 [JP] Japan 8-295173
Nov. 22, 1996 [JP] Japan 8-312480
[51] Int. C I. II04Q 7/00
[52] U.S. CI 455/446; 455/507; 455/524
[58] Field of Search 455/446, 455,
455/500, 501, 502, 503, 507, 524, 525, 31.1, 31.2, 32.1; 370/335, 344, 445, 329,
331
[56] References Cited
U.S. PATENT DOCUMENTS
5,551,066 8/1996 Stillman et al 455/69
5,745,483 4/1998 Nakagawa et al 370/335
5,774,461 6/1998 Hyden et al 370/329
5,896,373 4/1999 Mitts et al 370/331
5,898,904 4/1999 Wang 455/31.3
Primary Examiner—-Wellington Chin
Assistant Examiner—Congvan Tran
Attorney, Agent, or Firm—Ostrolenk, Faber, Gerb & Soffen,
LLP
[57] ABSTRACT
In a method ol configuring an ad hoc network system including a plurality ol wireless terminals, at least one ol a plurality ol wireless terminals ol a network is selected as a current temporary parent wireless terminal, all ol the plurality ol wireless terminals other than the current temporary parent wireless terminal being set as child wireless terminals. Subsequently, a set ol state determination data are collected from each ol the child wireless terminals by the current temporary parent wireless terminal. The state determination data includes at least one ol a wireless terminal state data ol each ol the child wireless terminals and a communication state data with each ol the child wireless terminals. Then, it is determined whether the collecting operation is executed K cycles (K is a positive integer).
28 Claims, 14 Drawing Sheets
