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Dive into the research topics where Stephen Thomas Valentine is active.

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Featured researches published by Stephen Thomas Valentine.


vehicular technology conference | 1994

New linear PMR technology: a new RF parameter for standardisation

Dragan Boscovic; Stephen Thomas Valentine; A.P. van den Heuvel

Recently published results concerning linearised RE amplifiers have indicated that wide band noise, resulting from the linearisation processes involved and spanning several adjacent channels, may exist. As standards and systems using linear technology are increasingly introduced into new mobile radio systems, the impact of this type of interference must be investigated. Extensive simulation work has been conducted and this paper presents the results on interference probability for a range of wide band noise levels. The level of interference is measured in terms of the area coverage loss. Based on this, a level of 10 dB below the adjacent channel splatter is recommended as a realistic level for wide band noise in future linear radio based PMR systems.<<ETX>>


Archive | 1995

Radio communications apparatus

Stephen Thomas Valentine; Anthony John Wray


Archive | 1995

Method of reducing interference in a communication system

Dragan Boscovic; Stephen Thomas Valentine; Paul Baker; Kwan Yee Lee


Archive | 1993

Power Amplifier Linearization in a TDMA mobile radio system

Anthony P. van den Heuvel; Stephen Thomas Valentine; Dragan Boscovich


Archive | 1993

Radio transmitter circuit with time dependant inhibited transmissions

Anthony John Wray; Stephen Thomas Valentine


Archive | 1993

Splatter-reduced training for adaptive pre-distortion or cartesian feedback linearizers

Terence Edwin Dodgson; Stephen Thomas Valentine; Anthony John Wray


Archive | 1995

Method for amplifier training in a linear power amplifier

Dragan Boscovic; Stephen Thomas Valentine; Babak Bastani; Anthony John Wray


Archive | 2003

Dynamic group calling mechanism

Stephen Thomas Valentine


Archive | 1992

Transmission of transmitter linearization signals in a TDMA trunked radio syste m

Dragan Boscovic; Stephen Thomas Valentine; Den Heuvel Anthony Patrick Van


Archive | 2001

Commande de puissance dans les communications mobiles en mode direct

Christopher Philip Johnson; Timor Kadir; Stephen Thomas Valentine

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