Invention Grant
- Patent Title: Time-division synchronous wireless modem device
- Patent Title (中): 时分同步无线调制解调器设备
-
Application No.: US10519551Application Date: 2003-09-30
-
Publication No.: US07693127B2Publication Date: 2010-04-06
- Inventor: Yasumasa Nonoyama
- Applicant: Yasumasa Nonoyama
- Applicant Address: JP Tokyo
- Assignee: Mitsubishi Denki Kabushiki Kaisha
- Current Assignee: Mitsubishi Denki Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Sughrue Mion, PLLC
- International Application: PCT/JP03/12544 WO 20030930
- International Announcement: WO2005/034399 WO 20050414
- Main IPC: H04B7/212
- IPC: H04B7/212 ; G01R31/08 ; H04J3/00 ; H04J3/24 ; H04W4/00 ; H04W24/00 ; H04W72/00

Abstract:
A time-division synchronous wireless modem device that includes: a modem unit which transmits and receives the communication packet; a communication state judging unit which obtains a transmission cycle period and a vacant communication slot from information contained in the header of the received communication packet; and a transmission timing controller. The controller selectively determines an arbitrary one of the communication slots in a next transmission cycle period when the communication packet is not received during the entire span of the one transmission cycle period, or selectively determines the one of the communication slots to be used by estimating a vacant one of the communication slots in the next transmission cycle period from the header of the communication packets when the communication packet is received.
Public/Granted literature
- US20060165113A1 Time-division synchronization radio modem apparatus Public/Granted day:2006-07-27
Information query