Telecommunications – Transmitter and receiver at separate stations – Plural transmitters or receivers
Reexamination Certificate
2007-01-23
2007-01-23
Orgad, Edan (Department: 2684)
Telecommunications
Transmitter and receiver at separate stations
Plural transmitters or receivers
C455S069000, C455S442000, C455S436000, C370S318000
Reexamination Certificate
active
10416795
ABSTRACT:
A method of controlling transmission power in a mobile radiocommunications system, in which at least two distinct physical channels transmitted by a single transmitter have their respective transmission powers controlled by a power control algorithm as a function of a target value for transmission quality (SIR target) correspond to a first channel which is taken as a reference, and in which, for a second channel, a transmission power offset (PO) relative to the first channel is applied, where necessary, the method being essentially characterized in that when there is a change in the required transmission conditions, a variation having a first value (Δ1) is applied to said target value (SIR target), and a variation having a second value (Δ2) is applied to said power offset (PO) so that said first channel has its transmission power changed by said first value and the second channel has its transmission power changed by a value equal to the difference (Δ1−Δ2) between said first and second values.
REFERENCES:
patent: 6823193 (2004-11-01), Persson et al.
patent: 6975615 (2005-12-01), Toskala et al.
patent: 2002/0003785 (2002-01-01), Agin
Oscar Salonaho et al, “Flexible Power Allocation for Physical Control Channel in Wideband CDMA”, Vehicular Technology Conference, 1999 IEEE 49thHouston, Texas, US, May 16-20, 1999, IEEE, pp. 145-1458, XP0101342093 dated May 16, 1999.
“Universal Mobile Telecommunications Systems (UMTS), Physical Layer Procedures 9FDD) (3GPP TS 25.214 version 3.4.0 Release 1999)”, ETSI TS 125 214 V3.4.0—Sep. 2000, pp. 1-47, XP002173278.
Evolium SAS
Orgad Edan
Rego Dominic E.
Sughrue & Mion, PLLC
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