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公开(公告)号：US09385664B2
公开(公告)日：2016-07-05
申请号：US14134664
申请日：2013-12-19
Applicant: AceAxis Limited
Inventor： Philip Brown , Jeremy Segar , John Ibison , Frank Friedman , Stephen Cooper
CPC classification number: H03F1/26 , H03F1/3247
Abstract: A digital pre-distortion system which can provide the flexibility to model the highly non-linear distortion associated with High Efficiency RF Power Amplifiers while through a novel implementation of a least squares estimation process allows an implementation well suited for an FPGA application where limited resources and in particular memory resources are available.
Abstract translation: 数字预失真系统可以提供灵活性来建模与高效RF功率放大器相关的高度非线性失真，同时通过最小二乘估计过程的新颖实现，可以实现非常适合于FPGA应用的实现，其中有限的资源和 特别是可用的内存资源。
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公开(公告)号：US20140167845A1
公开(公告)日：2014-06-19
申请号：US14134664
申请日：2013-12-19
Applicant: AceAxis Limited
Inventor： Philip Brown , Jeremy Segar , John Ibison , Frank Friedman , Stephen Cooper
CPC classification number: H03F1/26 , H03F1/3247
Abstract: A digital pre-distortion system which can provide the flexibility to model the highly non-linear distortion associated with High Efficiency RF Power Amplifiers while through a novel implementation of a least squares estimation process allows an implementation well suited for an FPGA application where limited resources and in particular memory resources are available.
Abstract translation: 数字预失真系统可以提供灵活性来建模与高效RF功率放大器相关的高度非线性失真，同时通过最小二乘估计过程的新颖实现，可以实现非常适合于FPGA应用的实现，其中有限的资源和 特别是可用的内存资源。
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公开(公告)号：US10039021B2
公开(公告)日：2018-07-31
申请号：US14722508
申请日：2015-05-27
Applicant: AceAxis Limited
Inventor： Fiona Wilson , Simon Gale , David Damian Nicholas Bevan , Stephen Cooper
CPC classification number: H04W24/08 , H04B1/1027 , H04W52/243
Abstract: A PIM (passive intermodulation) diagnosis is generated for one or more wireless networks which have equipment deployed at a plurality of cell sites. Data is received representing PIM detection results from PIM detection devices at the cell sites, the detected PIM including PIM caused by passive intermodulation between carriers of the one or more wireless networks. The data representing respective PIM detection results is normalized to account for transmission power and frequency allocation of respective cell sites, and the normalized data representing respective PIM detection results is correlated with data relating to a condition of respective cell sites and/or an environment of the respective cell sites to produce correlation results. The PIM diagnosis is generated in dependence on the correlation results.
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公开(公告)号：US08736366B2
公开(公告)日：2014-05-27
申请号：US13676611
申请日：2012-11-14
Applicant: AceAxis Limited
Inventor： Philip Brown , Jeremy Segar , John Ibison , Frank Friedman , Stephen Cooper
IPC: H03F1/26
CPC classification number: H03F1/26 , H03F1/3247
Abstract: A digital pre-distortion system which can provide the flexibility to model the highly non-linear distortion associated with High Efficiency RF Power Amplifiers while through a novel implementation of a least squares estimation process allows an implementation well suited for an FPGA application where limited resources and in particular memory resources are available.
Abstract translation: 数字预失真系统可以提供灵活性来建模与高效RF功率放大器相关的高度非线性失真，同时通过最小二乘估计过程的新颖实现，可以实现非常适合于FPGA应用的实现，其中有限的资源和 特别是可用的内存资源。
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