Invention Application
- Patent Title: PRECISE SLEEP TIMER USING A LOW-COST AND LOW-ACCURACY CLOCK
- Patent Title (中): 精密休眠定时器使用低成本和低精度时钟
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Application No.: PCT/US2004042951Application Date: 2004-12-22
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Publication No.: WO2005062855A3Publication Date: 2007-06-28
- Inventor: BULTAN AYKUT , HAIM JOHN W , KAZAKEVICH LEONID
- Applicant: INTERDIGITAL TECH CORP , BULTAN AYKUT , HAIM JOHN W , KAZAKEVICH LEONID
- Assignee: INTERDIGITAL TECH CORP,BULTAN AYKUT,HAIM JOHN W,KAZAKEVICH LEONID
- Current Assignee: INTERDIGITAL TECH CORP,BULTAN AYKUT,HAIM JOHN W,KAZAKEVICH LEONID
- Priority: US53176203 2003-12-22; US28504 2004-11-30
- Main IPC: H04B1/16
- IPC: H04B1/16 ; G08C17/00 ; H04B1/00 ; H04B1/38 ; H04B7/005 ; H04B7/01 ; H04B7/015 ; H04W52/28
Abstract:
A wireless transmit/receive unit (WTRLJ) 11 uses an oscillator providing accuracy for synchronized communications parameters in an active mode (Fig. 1 , WTRLJ 11), and operates at reduced power during a discontinuous reception (DRX) mode (Fig. 1 WTRU 12). A real time clock (RTC) 28 is used as the frequency standard during the reduced power operation, and a frequency adjustment is effected while the RTC 28 is used as the frequency standard. By effecting the frequency adjustment, the RTC 28 is able to be used as the frequency standard for substantial time periods, thereby reducing power consumption of the WTRU 12 during the DRX mode.
Information query
