-
1.
公开(公告)号:US10609582B2
公开(公告)日:2020-03-31
申请号:US15691615
申请日:2017-08-30
Applicant: CommScope Technologies LLC
Inventor: Ariful Hannan , Khalid W. Al-Mufti , Thomas B. Gravely , Andrew E. Beck
Abstract: A method for detecting interference in a wireless system is disclosed. The method includes receiving an uplink signal at a remote radio head in a distributed base station, passing the uplink signal from the remote radio head to a baseband unit over a front-haul communication link as baseband IQ data, and intercepting the baseband IQ data at a tester coupled between the remote radio head and the baseband unit. Processing of the IQ data is performed to determine whether an interfering signal is present in the uplink signal.
-
公开(公告)号:US20190021012A1
公开(公告)日:2019-01-17
申请号:US15989026
申请日:2018-05-24
Applicant: CommScope Technologies LLC
Inventor: Andrew E. Beck , Ariful Hannan , Thomas B. Gravely
Abstract: A system is provided. The system comprises a radio frequency (RF) planning system, comprising: a first processing system; a first communications system coupled to the first processing system; at least one input/output device coupled to the first processing system; wherein the first processing system comprises first memory circuitry and first processor circuitry; and wherein the first processing system is configured to: receive proposed RF access system design criteria; synthesize an RF access system design; assess interference using shared spectrum system data and data about the synthesized RF access system design; determine if the proposed RF access system design criteria are acceptable based upon the interference assessment; and if the proposed RF access system design criteria are unacceptable, then adjust the proposed RF access system design criteria.
-
3.
公开(公告)号:US10027368B2
公开(公告)日:2018-07-17
申请号:US15523291
申请日:2015-10-20
Applicant: CommScope Technologies LLC
Inventor: Thomas B. Gravely , Martin C. Alles , Andrew E. Beck , Navin Srinivasan
Abstract: The present disclosure describes systems and methods for determining intermodulation distortion in a system such as, but not limited to, a communication system. In an embodiment, intermodulation distortion is determined by injecting a signal into a frequency band which interacts with a second signal, searching a second frequency band for a product signal formed from the first and second signals, applying a cyclostationarity detection technique to the product signal and identifying the product signal as an intermodulation distortion signal.
-
4.
公开(公告)号:US20180123633A1
公开(公告)日:2018-05-03
申请号:US15523291
申请日:2015-10-20
Applicant: CommScope Technologies LLC
Inventor: Thomas B. Gravely , Martin C. Alles , Andrew E. Beck , Navin Srinivasan
CPC classification number: H04B1/525 , H04B1/10 , H04B1/1027
Abstract: The present disclosure describes systems and methods for determining intermodulation distortion in a system such as, but not limited to, a communication system. In an embodiment, intermodulation distortion is determined by injecting a signal into a frequency band which interacts with a second signal, searching a second frequency band for a product signal formed from the first and second signals, applying a cyclostationarity detection technique to the product signal and identifying the product signal as an intermodulation distortion signal.
-
公开(公告)号:USRE48134E1
公开(公告)日:2020-07-28
申请号:US15491914
申请日:2017-04-19
Applicant: CommScope Technologies LLC
Inventor: Thomas B. Gravely , Morgan C. Kurk , Oluwatosin O. Osinusi , Andrew E. Beck , Patrick Boyle
IPC: H04W24/02
Abstract: Certain aspects are directed to an interceptor system for characterizing digital data communicated between certain points in a telecommunication system. The interceptor system includes an interface device and a processing device. The interface device can retrieve data from at least one communication link between a radio frequency processing unit and a baseband processing unit of a telecommunication system. The data includes digital data communicated between the radio frequency processing unit and the baseband processing unit. The processing device can determine an interface link protocol for communicating with terminal equipment via the telecommunication system. The interface link protocol can be determined based on an organization of the data retrieved from the communication link.
-
公开(公告)号:US10334460B2
公开(公告)日:2019-06-25
申请号:US15527316
申请日:2015-04-22
Applicant: CommScope Technologies LLC
Inventor: Andrew E. Beck , Thomas B. Gravely
IPC: H04W24/06 , H04B17/27 , H04B17/345 , H04B17/00
Abstract: The present disclosure describes various embodiments for detecting and/or localizing a passive intermodulation distortion signal in a radio frequency system having multiple transmit and/or receive paths.
-
公开(公告)号:US20190191277A1
公开(公告)日:2019-06-20
申请号:US16049043
申请日:2018-07-30
Applicant: CommScope Technologies LLC
Inventor: Martin C. Alles , Suryanarayana A. Kalenahalli , Andrew E. Beck , Thomas B. Gravely , Javier F. Cereceda
CPC classification number: H04W4/029 , G01S5/00 , G01S5/0252 , G01S5/0278 , H04W4/023 , H04W4/04 , H04W4/043 , H04W4/30 , H04W4/33 , H04W4/38 , H04W64/00
Abstract: This disclosure pertains to systems and methods that may be used to increase the information content of a mobile device so as to locate, track, or determine the behavior of a mobile device and/or the user of the mobile device. Separate pieces of information (information snippets) may be aggregated over time to form information linkages. The snippets and linkages may be associated with a time stamp and/or a time frame. The snippets and linkages may be associated with a probability value which may be updated as more information is acquired. The snippets and linkages may be aggregated with, for example, a building floor plan to provide a more complete informational description of the mobile device and/or the behavior of the user of the mobile device (information map).
-
8.
公开(公告)号:US20170245162A1
公开(公告)日:2017-08-24
申请号:US15430211
申请日:2017-02-10
Applicant: CommScope Technologies LLC
Inventor: Andrew E. Beck , Thomas B. Gravely , Patrick Boyle
CPC classification number: H04L43/50 , H04W88/085
Abstract: A passive intermodulation (PIM) tester is provided. The PIM tester includes at least one interface to couple the tester to a front-haul communication link used for communicating front-haul data to a remote radio head (RRH) having one or more antenna ports. The PIM tester includes a programmable processor, coupled to the interface, configured to execute software, wherein the software is operable to cause the tester to do the following: identify at least one tone in at least one downlink band of the remote radio head, wherein potential PIM products may appear in at least one uplink band of the remote radio head in response to the identified at least one tone; inject the identified at least one tone in the at least one downlink band of the remote radio head; and monitor the at least one uplink band for the potential PIM products from the injected at least one tone.
-
公开(公告)号:US20180270750A1
公开(公告)日:2018-09-20
申请号:US15908147
申请日:2018-02-28
Applicant: CommScope Technologies LLC
Inventor: Daryl A. Coleman , Khalid W. Al-Mufti , Thomas B. Gravely
CPC classification number: H04W52/0206 , G05F1/62 , H02H9/04 , Y02D70/00
Abstract: In one embodiment, a method is provided. The method comprises: setting a first voltage level provided to a cable; operating a radio, coupled to the cable, with constant power consumption; measuring a first current level provided to the cable; setting a second voltage level provided to the cable; measuring a second current level provided to the cable; and determining a first resistance of the cable using the first and second voltage and current levels.
-
公开(公告)号:US20180017663A1
公开(公告)日:2018-01-18
申请号:US15610037
申请日:2017-05-31
Applicant: CommScope Technologies LLC
Inventor: Khalid W. Al-Mufti , Ariful Hannan , Thomas B. Gravely
CPC classification number: G01S7/021 , H04B1/06 , H04B1/69 , H04B17/30 , H04B17/318 , H04J11/0023
Abstract: A method for detecting the presence of a signal in a frequency spectrum is provided. The method includes receiving the frequency spectrum. The power spectral density of the received frequency spectrum is estimated. A plurality of frequency bins are segmented for the frequency spectrum based on the estimated power spectral density. For segments with an estimated power spectral density above a first threshold, a radar spectral signature matching algorithm is applied to detect the presence of the signal and for segments with a power estimate below the first threshold and above a second threshold, additional techniques are applied to detect the presence of the signal.
-
-
-
-
-
-
-
-
-