IT1207074B - Expandable bobbin material - Google Patents

Expandable bobbin material

Info

Publication number
IT1207074B
IT1207074B IT8719744A IT1974487A IT1207074B IT 1207074 B IT1207074 B IT 1207074B IT 8719744 A IT8719744 A IT 8719744A IT 1974487 A IT1974487 A IT 1974487A IT 1207074 B IT1207074 B IT 1207074B
Authority
IT
Italy
Prior art keywords
base
mobile
signal strength
median
speed
Prior art date
Application number
IT8719744A
Other languages
Italian (it)
Other versions
IT8719744A0 (en
Inventor
Stefano Gattrugeri
Original Assignee
Ies Srl
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 Ies Srl filed Critical Ies Srl
Priority to IT8719744A priority Critical patent/IT1207074B/en
Publication of IT8719744A0 publication Critical patent/IT8719744A0/en
Application granted granted Critical
Publication of IT1207074B publication Critical patent/IT1207074B/en

Links

Landscapes

  • 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.
IT8719744A 1987-03-18 1987-03-18 Expandable bobbin material IT1207074B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT8719744A IT1207074B (en) 1987-03-18 1987-03-18 Expandable bobbin material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8719744A IT1207074B (en) 1987-03-18 1987-03-18 Expandable bobbin material

Publications (2)

Publication Number Publication Date
IT8719744A0 IT8719744A0 (en) 1987-03-18
IT1207074B true IT1207074B (en) 1989-05-17

Family

ID=11160855

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8719744A IT1207074B (en) 1987-03-18 1987-03-18 Expandable bobbin material

Country Status (1)

Country Link
IT (1) IT1207074B (en)

Also Published As

Publication number Publication date
IT8719744A0 (en) 1987-03-18

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