发明名称 |
DUAL MODE MULTI-SLOT EGPRS TRANSMITTER |
摘要 |
A method is disclosed to operate a dual mode multi-timeslot RF transmitter, as is an RF transmitter that includes a control unit (100) and a power amplifier (12) that operate in accordance with the method. The method includes, prior to a first timeslot, setting a plurality of control signals (1,2,3,4,5 and 6) for the RF transmitter in accordance with a first modulation format used during the first timeslot; and during a guard period between the first timeslot and a next, temporally adjacent timeslot, setting the plurality of control signals for the RF transmitter in accordance with a second modulation format used during the second timeslot, where the first modulation format differs from the second modulation format. The power amplifier (12) has a fixed gain mode and a variable gain mode used for the two modulation formats, respectively. |
申请公布号 |
WO2005025053(A3) |
申请公布日期 |
2005.06.30 |
申请号 |
WO2004IB02829 |
申请日期 |
2004.09.01 |
申请人 |
NOKIA CORPORATION;NOKIA, INC.;VAYRYNEN, JUKKA;RAUHALA, ANTTI, H.;MURTOJARVI, SIMO |
发明人 |
VAYRYNEN, JUKKA;RAUHALA, ANTTI, H.;MURTOJARVI, SIMO |
分类号 |
H03F1/02;H03F1/06;H03F1/32;H03G3/30;H04B1/04;H04B1/40 |
主分类号 |
H03F1/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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