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公开(公告)号：US12132509B2
公开(公告)日：2024-10-29
申请号：US17248059
申请日：2021-01-07
CPC分类号： H04B1/0064 , H04B1/50
摘要： Ultrahigh band (UHB) architectures for radio frequency (RF) front-ends are disclosed. In certain embodiments, an RF front-end for a mobile device includes a first ultrahigh band transmit/receive module connected to a first antenna, a second ultrahigh band transmit/receive module connected to the first antenna, and a first ultrahigh band receive module connected to a second antenna. The first ultrahigh band transmit/receive module is further connected to the second antenna by way of an auxiliary input of the first ultrahigh band receive module.
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公开(公告)号：US20240305315A1
公开(公告)日：2024-09-12
申请号：US18435827
申请日：2024-02-07
发明人： David Richard Pehlke
CPC分类号： H04B1/0057 , H04B1/50 , H04L5/1461
摘要： Methods and systems for fast sounding reference symbol (SRS) antenna port switching for FDD. A mobile device can include a baseband processor and a front end including a transmit power amplifier, a first transmit path, and a second transmit path. The front end can be configurable in a first mode to transmit via the first transmit path within a transmit band of a frequency division duplex band. The front end can be further configurable in a second mode to transmit via the second transmit path within a receive band of the frequency division duplex band.
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公开(公告)号：US12081244B2
公开(公告)日：2024-09-03
申请号：US17579495
申请日：2022-01-19
发明人： David Richard Pehlke
CPC分类号： H04B1/0057 , H04B1/50 , H04L5/1461
摘要： Methods and systems for fast sounding reference symbol (SRS) antenna port switching for FDD. A mobile device can include a baseband processor and a front end including a transmit power amplifier, a first transmit path, and a second transmit path. The front end can be configurable in a first mode to transmit via the first transmit path within a transmit band of a frequency division duplex band. The front end can be further configurable in a second mode to transmit via the second transmit path within a receive band of the frequency division duplex band.
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公开(公告)号：US11962336B2
公开(公告)日：2024-04-16
申请号：US17790329
申请日：2020-02-06
发明人： Jichang Liao
CPC分类号： H04B1/0057 , H04B1/50 , H04B7/0691 , H04B7/0874 , H04B7/10
摘要： A radio chain arrangement comprising at least two levels of radio chain entities. Each of the levels of radio chain entities is associated with a respective frequency range encompassing at least one radio frequency band each. At least two radio chain entities of a lower level of radio chains are comprised in a radio chain entity of a next higher level. Each radio chain entity of the at least two levels of radio chain entities comprises a respective radio transceiver arrangement that is connected to at least a respective one of a number of antenna multiplexers. For all radio chain entities except a lowest level, the respective radio transceiver arrangement is connected to the antenna multiplexers via a splitter arrangement. An active antenna system comprising such radio chain arrangements and a method for its operation is also disclosed.
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公开(公告)号：US11916641B2
公开(公告)日：2024-02-27
申请号：US17695460
申请日：2022-03-15
CPC分类号： H04B7/10 , H04B1/38 , H04B1/50 , H04B17/101
摘要： A communication device, including a plurality of transceiver modules; a storage configured to store calibration information; and at least one processor configured to: generate a first dual-polarized RF signal by controlling a first transceiver module to generate a first RF signal based on the calibration information; measure, by a second transceiver module, a first signal power of the first dual-polarized RF signal; adjust a parameter of the first transceiver module, and generate a second dual-polarized RF signal by controlling the first transceiver module to generate a second RF signal based on the adjusted parameter; measure, by the second transceiver module, a second signal power of the second dual-polarized RF signal; and generate an aligned dual-polarized RF signal by controlling the plurality of transceiver modules to generate a plurality of RF signals based on a result of a comparison between the first signal power and the second signal power.
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公开(公告)号：US11700039B2
公开(公告)日：2023-07-11
申请号：US17864099
申请日：2022-07-13
发明人： Richard Ruby , William Carrol Mueller , Young Kwon , Joo Min Jung , Chan Hoe Koo
IPC分类号： H04B7/0413 , H03H11/04 , H04B1/50 , H03F3/19
CPC分类号： H04B7/0413 , H03F3/19 , H03H11/04 , H04B1/50 , H03F2200/294 , H03F2200/451
摘要： A front end radio frequency (RF) module including one or more first filter circuits configured to implement a front end function by filtering first signals communicated between one or more first antenna and a transceiver and one or more second filter circuits configured to implement at least a portion of an additional network function within the front end RF module by filtering second signals communicated between one or more second antennas and the transceiver.
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公开(公告)号：US11677435B2
公开(公告)日：2023-06-13
申请号：US17537430
申请日：2021-11-29
发明人： Yury Abramov , Roi Yosy Ziv
CPC分类号： H04B1/62 , H04B1/04 , H04B1/50 , H04W88/085 , H04B2001/0425
摘要： Wide bandwidth digital pre-distortion (DPD) in a remote unit(s) for a wireless communications system (WCS) is disclosed. In embodiments disclosed herein, a remote unit(s) includes at least two transceiver circuits, each configured to process (e.g., perform DPD) a respective downlink digital communications signal corresponding to a portion of the carrier bandwidth. Each of the transceiver circuits is further configured to convert the respective downlink digital communications signal into a respective downlink RF communications signal. The respective downlink RF communications signals generated by the transceiver circuits are subsequently combined to form a downlink RF communications signal(s) associated with the carrier bandwidth. By employing multiple transceiver circuits in the remote unit(s) to each handle a portion of the carrier bandwidth, it may be possible to mitigate processing bandwidth limitations of the remote unit(s), thus making it possible to satisfy the regulatory and/or operational requirements for supporting wide bandwidth communications in the WCS.
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公开(公告)号：US20230171006A1
公开(公告)日：2023-06-01
申请号：US18162805
申请日：2023-02-01
发明人： Gaurav VERMA , David COLLINS , Ryan Reddy WENDLANDT , Prachi DESHPANDE , Gaurav SINGHANIA , Karthik MONCOMBU RAMAKRISHNAN , Jeffrey CARR , Anushruti BHATTACHARYA , Dennis FEENAGHTY
CPC分类号： H04B17/14 , H04B1/0064 , H01Q3/267 , H04B17/19 , H04B1/50
摘要： Methods and systems for automated testing of extremely-high frequency devices are disclosed. A device under test (DUT) is set in a simultaneous transmit and receive mode. The DUT receives a lower frequency radio frequency (RF) signal from a test unit and up-converts the lower frequency RF signal to a higher frequency RF signal. The DUT transmits the higher frequency RF signal using a first antenna, and receives the higher frequency RF signal using a second antenna. The DUT down-converts the received higher frequency RF signal to a received test RF signal and provides the received test RF signal to the test unit for comparing measurements derived from the received test signal to a design specification for the DUT.
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公开(公告)号：US20230085081A1
公开(公告)日：2023-03-16
申请号：US17790329
申请日：2020-02-06
发明人： Jichang LIAO
摘要： A radio chain arrangement comprising at least two levels of radio chain entities. Each of the levels of radio chain entities is associated with a respective frequency range encompassing at least one radio frequency band each. At least two radio chain entities of a lower level of radio chains are comprised in a radio chain entity of a next higher level. Each radio chain entity of the at least two levels of radio chain entities comprises a respective radio transceiver arrangement that is connected to at least a respective one of a number of antenna multiplexers. For all radio chain entities except a lowest level, the respective radio transceiver arrangement is connected to the antenna multiplexers via a splitter arrangement. An active antenna system comprising such radio chain arrangements and a method for its operation is also disclosed.
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公开(公告)号：US20220231710A1
公开(公告)日：2022-07-21
申请号：US17579495
申请日：2022-01-19
发明人： David Richard Pehlke
摘要： Methods and systems for fast sounding reference symbol (SRS) antenna port switching for FDD. A mobile device can include a baseband processor and a front end including a transmit power amplifier, a first transmit path, and a second transmit path. The front end can be configurable in a first mode to transmit via the first transmit path within a transmit band of a frequency division duplex band. The front end can be further configurable in a second mode to transmit via the second transmit path within a receive band of the frequency division duplex band.
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