US 6,771,957 B2Granted

Cognition models for wireless communication systems and method and apparatus for optimal utilization of a radio channel based on cognition model data

AssigneeInterDigital Technology Corporation

InventorPrabhakar R. Chitrapu

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Abstract

Classes of cognition models which may include: 1) Radio Environment models, 2) Mobility models and 3) Application/User Context models are utilized in a wireless communications network. Radio Environment models represent the physical aspects of the radio environment, such as shadowing losses, multi-path propagation, interference and noise levels, etc. Mobility models represent users motion, in terms of geo-coordinates and/or logical identifiers, such as street names etc. as well as speed of user terminal etc. The context model represents the present state and dynamics of each of these application processes within itself and between multiple application processes. These data are employed to optimize network performance.

Claims6

Dependent claims

A wireless network comprising a base station (BS) and a plurality of user equipment (UEs):

each said UE comprising:
a radio environment modeler for modeling the radio environment in the geographic vicinity of the UE and generating UE radio environment data;
a mobility modeler for modeling UE mobility attributes and generating UE mobility data;
a context modeler for modeling the context of each application currently being run by the UE and generating UE context data;
and
a cognitive controller for forwarding said UE radio environment data, said UE mobility data, and said context data to the BS;
and
said BS comprising:
a modeler for modeling the radio environment in the geographic vicinity of the BS and generating BS radio environment data;
and
a cognitive controller for adiusting and selecting operational parameters based upon said BS radio environment data, said UE radio environment data, said UE mobility data, and said UE context data from the UEs;
whereby each said mobility modeler models at least one of street topology, velocity and traffic density.

9 more elements

Dependencies are inferred from the claim text.

Facts

Application: 10/305,048Filed 25 Nov 2002 · us provisional application
Priority: 30 Nov 2001
Published: US 2003/0157932 A121 Aug 2003
Granted: 3 Aug 2004
Term ends: Not estimatedThe source records don’t support an estimate.

Classification19 codes

G01S 5/02525
Creating or updating the radio-map: gathering the radio frequency fingerprints
G01S 5/011
Determining conditions which influence positioning, e.g. radio environment, state of motion or energy consumption: identifying the radio environment
G01S 5/0294
Using radio waves: trajectory determination or predictive filtering, e.g. target tracking or Kalman filtering
H04L 67/04
Protocols: specially adapted for terminals or networks with limited capabilities; specially adapted for terminal portability