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公开(公告)号：US20180069575A1
公开(公告)日：2018-03-08
申请号：US15648865
申请日：2017-07-13
Applicant: Apple Inc.
Inventor： Daniel Kong , William J. Noellert , Ali Ghoreishi
Abstract: A radio frequency system may generate a first signal within a first band and a second signal within a second band for simultaneous transmission. The transceivers may receive a third signal within the first band and a fourth signal within the second band. Antennas may simultaneously wirelessly transmit the first signal and the second signal and wirelessly receive the third signal and the fourth signal. Analog signal processing circuitry elements may operate on the first signal or the second signal, or both. A controller may receive an indication of operating conditions of the radio frequency system and control the phase shifters disposed between at least two of the analog signal processing circuitry elements to reduce an amount of intermodulation distortion occurring on the third signal or the fourth signal, or both.
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公开(公告)号：US10523250B2
公开(公告)日：2019-12-31
申请号：US15648865
申请日：2017-07-13
Applicant: Apple Inc.
Inventor： Daniel Kong , William J. Noellert , Ali Ghoreishi
Abstract: A radio frequency system may generate a first signal within a first band and a second signal within a second band for simultaneous transmission. The transceivers may receive a third signal within the first band and a fourth signal within the second band. Antennas may simultaneously wirelessly transmit the first signal and the second signal and wirelessly receive the third signal and the fourth signal. Analog signal processing circuitry elements may operate on the first signal or the second signal, or both. A controller may receive an indication of operating conditions of the radio frequency system and control the phase shifters disposed between at least two of the analog signal processing circuitry elements to reduce an amount of intermodulation distortion occurring on the third signal or the fourth signal, or both.
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