Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Technologies UK Ltd
Original Assignee
NEC Technologies UK Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NEC Technologies UK LtdfiledCriticalNEC Technologies UK Ltd
Priority to GB0400261ApriorityCriticalpatent/GB2409950B/en
Publication of GB0400261D0publicationCriticalpatent/GB0400261D0/en
Publication of GB2409950ApublicationCriticalpatent/GB2409950A/en
Application grantedgrantedCritical
Publication of GB2409950BpublicationCriticalpatent/GB2409950B/en
H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
G—PHYSICS
G01—MEASURING; TESTING
G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
G01C21/10—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration
G01C21/12—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning
G01C21/16—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation
G01C21/165—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation combined with non-inertial navigation instruments
G—PHYSICS
G01—MEASURING; TESTING
G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves
G01S11/10—Systems for determining distance or velocity not using reflection or reradiation using radio waves using Doppler effect
H04Q7/3855—
H04Q7/3247—
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04W—WIRELESS COMMUNICATION NETWORKS
H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
H04W52/02—Power saving arrangements
H04W52/0209—Power saving arrangements in terminal devices
H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
H04W52/0245—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal according to signal strength
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04W—WIRELESS COMMUNICATION NETWORKS
H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
H04W52/02—Power saving arrangements
H04W52/0209—Power saving arrangements in terminal devices
H04W52/0251—Power saving arrangements in terminal devices using monitoring of local events, e.g. events related to user activity
H04W52/0254—Power saving arrangements in terminal devices using monitoring of local events, e.g. events related to user activity detecting a user operation or a tactile contact or a motion of the device
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