GB2397465B - Mobile radio communications device and operating method - Google Patents
Mobile radio communications device and operating methodInfo
- Publication number
- GB2397465B GB2397465B GB0300919A GB0300919A GB2397465B GB 2397465 B GB2397465 B GB 2397465B GB 0300919 A GB0300919 A GB 0300919A GB 0300919 A GB0300919 A GB 0300919A GB 2397465 B GB2397465 B GB 2397465B
- Authority
- GB
- United Kingdom
- Prior art keywords
- sleep
- communications device
- mobile radio
- radio communications
- clock
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
- H04W52/0287—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level changing the clock frequency of a controller in the equipment
- H04W52/029—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level changing the clock frequency of a controller in the equipment reducing the clock frequency of the controller
-
- G—PHYSICS
- G04—HOROLOGY
- G04R—RADIO-CONTROLLED TIME-PIECES
- G04R20/00—Setting the time according to the time information carried or implied by the radio signal
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
A method of calibrating a sleep clock of a mobile radio communications device includes the steps of determining drift between the air interface timebase and the local timebase as controlled during sleep periods by the sleep clock, and adding the determined value of drift to a preceding calibration value to arrive at a calibration value for calibrating the sleep clock. The method allows the mobile device to remain in sleep mode for longer periods of time thus conserving more battery power, and the fast clock is not required for calibration.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0300919A GB2397465B (en) | 2003-01-15 | 2003-01-15 | Mobile radio communications device and operating method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0300919A GB2397465B (en) | 2003-01-15 | 2003-01-15 | Mobile radio communications device and operating method |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0300919D0 GB0300919D0 (en) | 2003-02-12 |
GB2397465A GB2397465A (en) | 2004-07-21 |
GB2397465B true GB2397465B (en) | 2004-12-29 |
Family
ID=9951207
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0300919A Expired - Fee Related GB2397465B (en) | 2003-01-15 | 2003-01-15 | Mobile radio communications device and operating method |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2397465B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100405863C (en) * | 2005-03-23 | 2008-07-23 | 大唐移动通信设备有限公司 | Method for regulating sleeping processor in mobile terminal machine process |
US7272078B1 (en) | 2006-10-12 | 2007-09-18 | Telefonaktiebolaget L M Ericsson (Publ) | Efficient clock calibration in electronic equipment |
US7881895B2 (en) | 2008-05-27 | 2011-02-01 | Sony Ericsson Mobile Communications Ab | Methods of calibrating a clock using multiple clock periods with a single counter and related devices and methods |
CN102540868B (en) * | 2010-12-31 | 2016-05-04 | 重庆重邮信科通信技术有限公司 | A kind of slow clock crystal frequency compensation method of mobile communication terminal and device |
CN106211307A (en) * | 2015-05-04 | 2016-12-07 | 深圳市中兴微电子技术有限公司 | Clock correcting method and device under a kind of multi-mode baseband chip |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2297854A (en) * | 1995-02-07 | 1996-08-14 | Nokia Mobile Phones Ltd | Real time clock |
EP0924947A1 (en) * | 1997-12-22 | 1999-06-23 | The Technology Partnership Public Limited Company | Power saving in a digital cellular system terminal |
WO1999031912A2 (en) * | 1997-12-12 | 1999-06-24 | Koninklijke Philips Electronics N.V. | Circuit for synchronizing cdma mobile phones |
-
2003
- 2003-01-15 GB GB0300919A patent/GB2397465B/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2297854A (en) * | 1995-02-07 | 1996-08-14 | Nokia Mobile Phones Ltd | Real time clock |
WO1999031912A2 (en) * | 1997-12-12 | 1999-06-24 | Koninklijke Philips Electronics N.V. | Circuit for synchronizing cdma mobile phones |
EP0924947A1 (en) * | 1997-12-22 | 1999-06-23 | The Technology Partnership Public Limited Company | Power saving in a digital cellular system terminal |
Also Published As
Publication number | Publication date |
---|---|
GB2397465A (en) | 2004-07-21 |
GB0300919D0 (en) | 2003-02-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20120115 |