IT1207093B - Pharmaceutical di:amino-benzo-pyrimidine and sulphonamide compsn. - Google Patents

Pharmaceutical di:amino-benzo-pyrimidine and sulphonamide compsn.

Info

Publication number
IT1207093B
IT1207093B IT8047949A IT4794980A IT1207093B IT 1207093 B IT1207093 B IT 1207093B IT 8047949 A IT8047949 A IT 8047949A IT 4794980 A IT4794980 A IT 4794980A IT 1207093 B IT1207093 B IT 1207093B
Authority
IT
Italy
Prior art keywords
base
mobile
signal strength
median
speed
Prior art date
Application number
IT8047949A
Other languages
Italian (it)
Other versions
IT8047949A0 (en
Inventor
Allan John Torode
David Harden
John Spencer
Original Assignee
Wellcome Found
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 Wellcome Found filed Critical Wellcome Found
Priority to IT8047949A priority Critical patent/IT1207093B/en
Publication of IT8047949A0 publication Critical patent/IT8047949A0/en
Application granted granted Critical
Publication of IT1207093B publication Critical patent/IT1207093B/en

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  • Mobile Radio Communication Systems (AREA)

Abstract

The speed of mobile (10) in communication with a base (14) is determined by monitoring Rayleigh fading of the signal strength received from base in order to adjust a threshold level so that the threshold increases with decrease in mobile speed. If the median of the signal strength received at mobile (10) from another base (16) or (18) exceeds that received from base by more than the threshold level, a handoff request is issued. Rayleigh fading is monitored by detecting the rate at which the instantaneous signal strength received at mobile (10) from base (14) crosses the short-term median level of that signal, that rate being dependent on the maximum doppler frequency which increases with mobile speed. The median measuring time period may increase with decrease in the maximum doppler frequency.
IT8047949A 1980-02-19 1980-02-19 Pharmaceutical di:amino-benzo-pyrimidine and sulphonamide compsn. IT1207093B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT8047949A IT1207093B (en) 1980-02-19 1980-02-19 Pharmaceutical di:amino-benzo-pyrimidine and sulphonamide compsn.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8047949A IT1207093B (en) 1980-02-19 1980-02-19 Pharmaceutical di:amino-benzo-pyrimidine and sulphonamide compsn.

Publications (2)

Publication Number Publication Date
IT8047949A0 IT8047949A0 (en) 1980-02-19
IT1207093B true IT1207093B (en) 1989-05-17

Family

ID=11263547

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8047949A IT1207093B (en) 1980-02-19 1980-02-19 Pharmaceutical di:amino-benzo-pyrimidine and sulphonamide compsn.

Country Status (1)

Country Link
IT (1) IT1207093B (en)

Also Published As

Publication number Publication date
IT8047949A0 (en) 1980-02-19

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