Directivity characteristics of mobile terminals

Details Directivity characteristics of mobile terminals Directivity characteristics of mobile terminals

2005-10-11

2005-10-11

Vo, Nguyen (Department: 2685)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

Reexamination Certificate

active

06954650

ABSTRACT:
A method determines mobility characteristics of a mobile terminal by measuring a first and second angular direction of travel of the mobile terminal at a first and second instant. The first angular direction is subtracted form the second angular direction to determine the directivity of the mobile terminal during an interval of time between the first instant and the second instant. The directivity, in terms of a mean, variance, or histogram can be used to classify the mobile terminal, and location-aware services can be adapted and delivered according to the classification.

REFERENCES:
patent: 5416477 (1995-05-01), Shibata
patent: 5974359 (1999-10-01), Ohkubo
patent: 6611687 (2003-08-01), Clark et al.
patent: 2002/0183073 (2002-12-01), Morgand et al.

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