TWO-MODE EGPRS TRANSMITTER WITH MULTIPLE CHANNEL INTERVALS Russian patent published in 2007 - IPC H04L27/04 

Abstract RU 2308814 C2

FIELD: radio transmitters, possible use in wireless data transmission terminals, for example, cell phones.

SUBSTANCE: in the method of operation of two-mode radio transmitter with multiple channel intervals, a set of control signals is set for radio transmitter in accordance to second modulation format used during second channel interval, while one of control signals sets the operation mode of power amplifier. Two-mode radio transmitter with multiple channel intervals contains programmable power amplifier, control block with multiple channel intervals which outputs control signals to programmable power amplifier in accordance to first and second modulation formats. Computer software product, realized in computer-readable information carrier, provides for execution of all necessary operations in two-mode transmitter with multiple channel intervals.

EFFECT: linear alternation of output power between neighboring channel intervals in accordance to modulation type of the next channel interval.

6 cl, 7 dwg

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RU 2 308 814 C2

Authors

Vjajrjunen Jukka

Raukhala Antti Kh.

Murtojarvi Simo

Dates

2007-10-20Published

2004-09-01Filed