WO2018170579A1 - System and method for monitoring analog and digital transceivers with persistent and non-persistent communications - Google Patents

System and method for monitoring analog and digital transceivers with persistent and non-persistent communications Download PDF

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Publication number
WO2018170579A1
WO2018170579A1 PCT/CA2018/000059 CA2018000059W WO2018170579A1 WO 2018170579 A1 WO2018170579 A1 WO 2018170579A1 CA 2018000059 W CA2018000059 W CA 2018000059W WO 2018170579 A1 WO2018170579 A1 WO 2018170579A1
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WO
WIPO (PCT)
Prior art keywords
transceiver
transmit power
data
monitoring
sensor
Prior art date
Application number
PCT/CA2018/000059
Other languages
French (fr)
Inventor
Andrew Boswell
James Craig
Original Assignee
Rimot.Io Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rimot.Io Inc. filed Critical Rimot.Io Inc.
Publication of WO2018170579A1 publication Critical patent/WO2018170579A1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/101—Monitoring; Testing of transmitters for measurement of specific parameters of the transmitter or components thereof
    • H04B17/102—Power radiated at antenna
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/29—Performance testing

Definitions

  • the present invention relates to monitoring wireless communication systems, and more particularly to a system and method capable of monitoring analog as well as digital transceivers of wireless communication systems.
  • present-day monitoring systems are typically designed for monitoring transceivers having specific narrowband frequency characteristics and are complex and time consuming to setup requiring configuration and calibration. Furthermore, these systems typically do not provide the granularity of the measurement data, such as forward and reflected power, thus requiring scientific instrumentation for testing which is not kept on-site, i.e. they enable monitoring of the transceiver only when a technician is on-site, for example, for maintenance or repair. Additionally, present-day systems perform minimal or no material analysis of the data at the site of the transceiver. It is desirable to provide a system and method for monitoring transceivers that is capable of monitoring analog, as well as, digital transceivers of wireless communication systems, and is independent of the manufacturer of the transceiver.
  • one object of the present invention is to provide a system and method for
  • monitoring transceivers that is capable of monitoring analog, as well as, digital transceivers of wireless communication systems, and is independent of the manufacturer of the transceiver.
  • Another object of the present invention is to provide a system and method for monitoring transceivers that enables substantial data analysis performed at the site of the transceiver, thus reducing the need for high bandwidth, high availability communication links for remote monitoring.
  • Another object of the present invention is to provide a system and method for monitoring transceivers that enables to perform effectively with communication links for monitoring that are of high or low bandwidths, both persistent and non-persistent. For example, a high bandwidth microwave backhaul or a limited bandwidth non-persistent satellite link.
  • a system for monitoring a transceiver comprising a transmit power sensor.
  • the transmit power sensor senses output RF transmit power of the transceiver and generates transmit power data indicative thereof.
  • a receive sense sensor externally senses a receive sense of the transceiver and generates receive sense data indicative thereof.
  • a microcontroller is connected to the transmit power sensor and the receive sense sensor. The microcontroller determines an operational condition of the transceiver in dependence upon the transmit power data and the receive sense data and generates data indicative of the operational condition.
  • a method for monitoring a transceiver A transmit power sensor senses output RF transmit power of the transceiver and generates transmit power data indicative thereof.
  • a receive sense sensor externally senses a receive sense of the transceiver and generates receive sense data indicative thereof.
  • microcontroller receives the transmit power data and the receive sense data and determines an operational condition of the transceiver in dependence thereupon and generates data indicative of the operational condition.
  • a further advantage of the present invention is that it provides a system and method for monitoring transceivers that is capable of monitoring transceivers having different frequency characteristics.
  • a further advantage of the present invention is to provide a system and method for monitoring transceivers that is installed on-site enabling constantly monitoring of the transceiver.
  • a further advantage of the present invention is to provide a system and method for securely monitoring transceivers that is easily installed in existing, new, or combination thereof, radio communication networks.
  • a further advantage of the present invention is to provide a system and method for monitoring transceivers that enables substantial data analysis performed at the site of the transceiver, thus reducing the need for high bandwidth, high availability communication links for remote monitoring.
  • a further advantage of the present invention is to provide a system and method for monitoring transceivers that enables to perform effectively with communication links for monitoring that are of high or low bandwidths, both persistent and non-persistent. For example, a high bandwidth microwave backhaul or a limited bandwidth non-persistent satellite link.
  • Figure 1 is a simplified block diagram illustrating a system for monitoring a transceiver according to a preferred embodiment of the invention.
  • Figure 2 is a screen layout illustrating a visual display of monitoring data of the system for monitoring a transceiver according to the preferred embodiment of the invention.
  • the system 100 comprises a plurality of on-site components 100A - only one of which is illustrated in Figure 1 for simplicity - which are placed at the respective locations of the transceivers 10 such as, for example, repeater tower sites of a land mobile radio network.
  • the components 100A are connected to a - preferably, cloud based - central component 100B via, for example, the Internet.
  • Each component 100A comprises transceiver sensors 102, site sensors 104, and data aggregation unit sensors 106.
  • the transceiver sensors 102, the site sensors 104, and the data aggregation unit sensors 106 are connected to data aggregation and analytics unit 108.
  • the transceiver sensors 102 comprise a Radio Frequency (RF) transmit power sensor 102.A1 and receive sense sensor 102. A2.
  • the RF transmit power sensor 102. Al is designed in a conventional manner using conventional off-the-shelf components such as RF couplers, microcontrollers and circuit design.
  • the RF coupler which is connected to the transceiver 10, is a broadband coupler having low insertion loss and a sufficiently high-power rating to meet the power requirements of the majority of legal spectrum transmissions of, for example, land mobile radio transmitters.
  • the microcontroller of the RF transmit power sensor 102. Al determines an output transmit power envelope based on a signal sensed via the RF coupler.
  • the RF transmit power sensor 102.A1 senses and transmits the output transmit power envelope data to the data aggregation and analytics unit 108 in a continuous fashion. Since the RF transmit power sensor 102.A1 senses and determines the overall power envelope, versus the modulation scheme, the RF transmit power sensor is capable of measuring any form of analog and digital
  • the RF transmit power sensor 102.A 1 is capable of determining the output transmit power envelope without on-site calibration.
  • the receive sense sensor 102.A2 determines receive sense from the transceiver 10 based on the transceiver display.
  • the receive sense sensor 102.A2 is connected to the visual display of the transceiver 10 to measure the signal to the LED light which lights up while the transceiver 10 receives an on-frequency transmission, by sensing the visual light emitted from the LED.
  • the receive sense sensor 102.A2 determines and sends the receive sense data to the data aggregation and analytics unit 108 in a continuous fashion.
  • the receive sense is determined in a different manner, for example, by externally sensing the electrical signal provided to the LED.
  • the site sensors 104 are off-the-shelf sensors for sensing temperature and humidity and for determining temperature and humidity data in dependence thereupon. Preferably, the site sensors 104 determine and send the temperature and humidity data to the data aggregation and analytics unit 108 in a continuous fashion.
  • the data aggregation unit sensors 106 sense and determine the state of communications for remote monitoring such as, for example, if it is available, the signal strength, and whether the signal is usable or not, as well as, the state of power provision for the data aggregation and analytics unit - external power or backup power.
  • the data aggregation unit sensors 106 determine and send the state of communications and backup data to the data aggregation and analytics unit 108 in a continuous fashion.
  • the data aggregation and analytics unit 108 is a microcontroller-based system.
  • the data aggregation and analytics unit 108 manages data aggregation from all the sensors by sampling data from the sensors synchronously and/or asynchronously.
  • the data aggregation and analytics unit 108 correlates the data received from the transceiver sensors and determines the condition of the transceiver operation based on predetermined thresholds and, optionally, to determine if there are fault mechanisms indicating possible future equipment failure.
  • the condition is determined as a 'normality' - a measure indicating how well a measured condition of the transceiver operation compares to a predetermined normal condition of the transceiver operation.
  • the data aggregation and analytics unit 108 also correlates the signal that a receive transmission was received from sensors 102.A1 and 102.A2 that a transmitted transmission was actually transmitted via the RF sensor feedback.
  • the correlation process compares a dynamic time window that enables the system to correlate receive sensing and transmit sensing functions to best determine if the transceiver is functioning normally or not.
  • Delta time is determined dynamically based on normal operations but can also be set. The delta time is used for the sampling window.
  • This dynamic sampling window technique is used for separating out multiple receive and transmit occurrences, and a summary of the entire polling window states is determined and sent as metadata for showing the overall state of the transmitter.
  • Each sensor data have upper and/or lower predetermined thresholds associated therewith which are user configurable.
  • the data aggregation and analytics unit 108 further manages the monitoring communication with the central component 100B, for example, via cellular or satellite communication link.
  • the data aggregation and analytics unit 108 performs updates such as, for example, firmware updates of the sensors when necessary.
  • the data is analyzed by the data aggregation and analytics unit 108 over a predetermined external polling period, which is based on the type of communication available, in order to minimize the amount of data that is sent to the component 100B.
  • the central component 100B preferably, comprises a cloud-based database 1 12, a cloud based secure streaming data server 1 10, and a cloud-based webserver 114.
  • the secure streaming data server 1 10 manages the data communication with each of the data aggregation and analytics units 108 and the firmware updates.
  • the webserver 1 14 performs processing of the meta data, data communication with the database 1 12, data presentation and account and user management via a user interface connected thereto.
  • the central component 100B receives the meta data from each of the data aggregation and analytics units 108 and visually presents the data in a variety of views including, for example, most recent values, state of the sensor, and historical trending of the data, as illustrated in an example implementation in Figure 2.
  • the central component 100B enables/performs: configuration of all sensors and data aggregation and analytics units 108; configuration of user access including administrators and technicians; configuration of thresholds; and, configuration of alerts for technicians if a sensor value exceeds a respective threshold.
  • all components of the system 100 are adapted to automatically interoperate, thus obviating calibration and minimizing setup.
  • the system 100 is easily installed in existing or new wireless communication networks. It has broadband RF sensor capability, works across a wide frequency spectrum, can be installed in analog and digital radio communication networks. It observes all parameters necessary for monitoring the transceivers, provides insight in the observed parameters, and storage of the same, for example, for displaying the transceiver operation over time. Further, it does not require calibration and requires minimal setup.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)

Abstract

A system for monitoring a transceiver is provided. The system comprises a transmit RF power sensor. The transmit power sensor senses output transmit power of the transceiver and generates transmit power data indicative thereof. A receive sense sensor externally senses a receive sense of the transceiver and generates receive sense data indicative thereof. A microcontroller is connected to the transmit power sensor and the receive sense sensor. The microcontroller determines an operational condition of the transceiver in dependence upon the transmit power data and the receive sense data and generates data indicative of the operational condition.

Description

SYSTEM AND METHOD FOR MONITORING ANALOG AND DIGITAL TRANSCEIVERS
WITH PERSISTENT AND NON-PERSISTENT COMMUNICATIONS
FIELD OF THE INVENTION
The present invention relates to monitoring wireless communication systems, and more particularly to a system and method capable of monitoring analog as well as digital transceivers of wireless communication systems. BACKGROUND OF THE INVENTION
With a constantly increasing number of wireless information and communication networks such as, for example, land mobile radio networks, and an increasing number of services using these communication networks, there is an increasing dependence on proper and reliable operation of the same for enabling business-critical voice and data communications, such as, potentially live saving tasks such as two-way radio for emergency services. In order to ensure reliable operation, communication services providers and system owners have to monitor their wireless information and communication networks, and in particular the transceivers of their wireless information and communication networks.
Unfortunately, present-day monitoring systems are typically designed for monitoring transceivers having specific narrowband frequency characteristics and are complex and time consuming to setup requiring configuration and calibration. Furthermore, these systems typically do not provide the granularity of the measurement data, such as forward and reflected power, thus requiring scientific instrumentation for testing which is not kept on-site, i.e. they enable monitoring of the transceiver only when a technician is on-site, for example, for maintenance or repair. Additionally, present-day systems perform minimal or no material analysis of the data at the site of the transceiver. It is desirable to provide a system and method for monitoring transceivers that is capable of monitoring analog, as well as, digital transceivers of wireless communication systems, and is independent of the manufacturer of the transceiver.
It is also desirable to provide a system and method for monitoring transceivers that is capable of monitoring transceivers having different frequency characteristics.
It is also desirable to provide a system and method for monitoring transceivers that is installed on-site enabling constantly monitoring of the transceiver.
It is also desirable to provide a system and method for securely monitoring transceivers that is easily installed in existing, new, or combination thereof, radio communication networks.
It is also desirable to provide a system and method for monitoring transceivers that enables substantial data analysis performed at the site of the transceiver, thus reducing the need for high bandwidth, high availability communication links for remote monitoring.
It is also desirable to provide to provide a system and method for monitoring transceivers that enables to perform effectively with communication links for monitoring that are of high or low bandwidths, both persistent and non-persistent. For example, a high bandwidth microwave backhaul or a limited bandwidth non-persistent satellite link.
SUMMARY OF THE INVENTION
Accordingly, one object of the present invention is to provide a system and method for
monitoring transceivers that is capable of monitoring analog, as well as, digital transceivers of wireless communication systems, and is independent of the manufacturer of the transceiver.
Another object of the present invention is to provide a system and method for monitoring transceivers that is capable of monitoring transceivers having different frequency characteristics. Another object of the present invention is to provide a system and method for monitoring transceivers that is installed on-site enabling constantly monitoring of the transceiver. Another object of the present invention is to provide a system and method for securely monitoring transceivers that is easily installed in existing, new, or combination thereof, radio communication networks.
Another object of the present invention is to provide a system and method for monitoring transceivers that enables substantial data analysis performed at the site of the transceiver, thus reducing the need for high bandwidth, high availability communication links for remote monitoring.
Another object of the present invention is to provide a system and method for monitoring transceivers that enables to perform effectively with communication links for monitoring that are of high or low bandwidths, both persistent and non-persistent. For example, a high bandwidth microwave backhaul or a limited bandwidth non-persistent satellite link.
According to one aspect of the present invention, there is provided a system for monitoring a transceiver. The system comprises a transmit power sensor. The transmit power sensor senses output RF transmit power of the transceiver and generates transmit power data indicative thereof. A receive sense sensor externally senses a receive sense of the transceiver and generates receive sense data indicative thereof. A microcontroller is connected to the transmit power sensor and the receive sense sensor. The microcontroller determines an operational condition of the transceiver in dependence upon the transmit power data and the receive sense data and generates data indicative of the operational condition. According to the aspect of the present invention, there is provided a method for monitoring a transceiver. A transmit power sensor senses output RF transmit power of the transceiver and generates transmit power data indicative thereof. A receive sense sensor externally senses a receive sense of the transceiver and generates receive sense data indicative thereof. A
microcontroller receives the transmit power data and the receive sense data and determines an operational condition of the transceiver in dependence thereupon and generates data indicative of the operational condition. The advantage of the present invention is that it provides a system and method for monitoring transceivers that is capable of monitoring analog, as well as, digital transceivers of wireless communication systems, and is independent of the manufacturer of the transceiver.
A further advantage of the present invention is that it provides a system and method for monitoring transceivers that is capable of monitoring transceivers having different frequency characteristics. A further advantage of the present invention is to provide a system and method for monitoring transceivers that is installed on-site enabling constantly monitoring of the transceiver.
A further advantage of the present invention is to provide a system and method for securely monitoring transceivers that is easily installed in existing, new, or combination thereof, radio communication networks.
A further advantage of the present invention is to provide a system and method for monitoring transceivers that enables substantial data analysis performed at the site of the transceiver, thus reducing the need for high bandwidth, high availability communication links for remote monitoring.
A further advantage of the present invention is to provide a system and method for monitoring transceivers that enables to perform effectively with communication links for monitoring that are of high or low bandwidths, both persistent and non-persistent. For example, a high bandwidth microwave backhaul or a limited bandwidth non-persistent satellite link.
BRIEF DESCRIPTION OF THE DRAWINGS
A preferred embodiment of the present invention is described below with reference to the accompanying drawings, in which: Figure 1 is a simplified block diagram illustrating a system for monitoring a transceiver according to a preferred embodiment of the invention; and,
Figure 2 is a screen layout illustrating a visual display of monitoring data of the system for monitoring a transceiver according to the preferred embodiment of the invention.
DESCRIPTION OF THE PREFERRED EMBODIMENT
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the invention belongs.
Although any methods and materials similar or equivalent to those described herein can be used in the practice or testing of the present invention, the preferred methods and materials are now described. Referring to Figure 1, a system for monitoring a transceiver 100 according to a preferred embodiment of the invention is provided. The system 100 comprises a plurality of on-site components 100A - only one of which is illustrated in Figure 1 for simplicity - which are placed at the respective locations of the transceivers 10 such as, for example, repeater tower sites of a land mobile radio network. The components 100A are connected to a - preferably, cloud based - central component 100B via, for example, the Internet.
Each component 100A comprises transceiver sensors 102, site sensors 104, and data aggregation unit sensors 106. The transceiver sensors 102, the site sensors 104, and the data aggregation unit sensors 106 are connected to data aggregation and analytics unit 108.
The transceiver sensors 102 comprise a Radio Frequency (RF) transmit power sensor 102.A1 and receive sense sensor 102. A2. The RF transmit power sensor 102. Al is designed in a conventional manner using conventional off-the-shelf components such as RF couplers, microcontrollers and circuit design. Preferably, the RF coupler, which is connected to the transceiver 10, is a broadband coupler having low insertion loss and a sufficiently high-power rating to meet the power requirements of the majority of legal spectrum transmissions of, for example, land mobile radio transmitters. The microcontroller of the RF transmit power sensor 102. Al determines an output transmit power envelope based on a signal sensed via the RF coupler. Preferably, the RF transmit power sensor 102.A1 senses and transmits the output transmit power envelope data to the data aggregation and analytics unit 108 in a continuous fashion. Since the RF transmit power sensor 102.A1 senses and determines the overall power envelope, versus the modulation scheme, the RF transmit power sensor is capable of measuring any form of analog and digital
transmission. Furthermore, the RF transmit power sensor 102.A 1 is capable of determining the output transmit power envelope without on-site calibration. The receive sense sensor 102.A2 determines receive sense from the transceiver 10 based on the transceiver display. The receive sense sensor 102.A2 is connected to the visual display of the transceiver 10 to measure the signal to the LED light which lights up while the transceiver 10 receives an on-frequency transmission, by sensing the visual light emitted from the LED.
Preferably, the receive sense sensor 102.A2 determines and sends the receive sense data to the data aggregation and analytics unit 108 in a continuous fashion. Alternatively, the receive sense is determined in a different manner, for example, by externally sensing the electrical signal provided to the LED.
The site sensors 104 are off-the-shelf sensors for sensing temperature and humidity and for determining temperature and humidity data in dependence thereupon. Preferably, the site sensors 104 determine and send the temperature and humidity data to the data aggregation and analytics unit 108 in a continuous fashion.
The data aggregation unit sensors 106 sense and determine the state of communications for remote monitoring such as, for example, if it is available, the signal strength, and whether the signal is usable or not, as well as, the state of power provision for the data aggregation and analytics unit - external power or backup power. Preferably, the data aggregation unit sensors 106 determine and send the state of communications and backup data to the data aggregation and analytics unit 108 in a continuous fashion.
The data aggregation and analytics unit 108 is a microcontroller-based system. The data aggregation and analytics unit 108 manages data aggregation from all the sensors by sampling data from the sensors synchronously and/or asynchronously. The data aggregation and analytics unit 108 correlates the data received from the transceiver sensors and determines the condition of the transceiver operation based on predetermined thresholds and, optionally, to determine if there are fault mechanisms indicating possible future equipment failure. Preferably, the condition is determined as a 'normality' - a measure indicating how well a measured condition of the transceiver operation compares to a predetermined normal condition of the transceiver operation.
The data aggregation and analytics unit 108 also correlates the signal that a receive transmission was received from sensors 102.A1 and 102.A2 that a transmitted transmission was actually transmitted via the RF sensor feedback. The correlation process compares a dynamic time window that enables the system to correlate receive sensing and transmit sensing functions to best determine if the transceiver is functioning normally or not. Delta time is determined dynamically based on normal operations but can also be set. The delta time is used for the sampling window. This dynamic sampling window technique is used for separating out multiple receive and transmit occurrences, and a summary of the entire polling window states is determined and sent as metadata for showing the overall state of the transmitter.
Each sensor data have upper and/or lower predetermined thresholds associated therewith which are user configurable. The data aggregation and analytics unit 108 further manages the monitoring communication with the central component 100B, for example, via cellular or satellite communication link. Optionally, the data aggregation and analytics unit 108 performs updates such as, for example, firmware updates of the sensors when necessary. Preferably, the data is analyzed by the data aggregation and analytics unit 108 over a predetermined external polling period, which is based on the type of communication available, in order to minimize the amount of data that is sent to the component 100B.
The central component 100B, preferably, comprises a cloud-based database 1 12, a cloud based secure streaming data server 1 10, and a cloud-based webserver 114. The secure streaming data server 1 10 manages the data communication with each of the data aggregation and analytics units 108 and the firmware updates. The webserver 1 14 performs processing of the meta data, data communication with the database 1 12, data presentation and account and user management via a user interface connected thereto. The central component 100B receives the meta data from each of the data aggregation and analytics units 108 and visually presents the data in a variety of views including, for example, most recent values, state of the sensor, and historical trending of the data, as illustrated in an example implementation in Figure 2. Preferably, the central component 100B enables/performs: configuration of all sensors and data aggregation and analytics units 108; configuration of user access including administrators and technicians; configuration of thresholds; and, configuration of alerts for technicians if a sensor value exceeds a respective threshold.
Preferably, all components of the system 100 are adapted to automatically interoperate, thus obviating calibration and minimizing setup.
The system 100 is easily installed in existing or new wireless communication networks. It has broadband RF sensor capability, works across a wide frequency spectrum, can be installed in analog and digital radio communication networks. It observes all parameters necessary for monitoring the transceivers, provides insight in the observed parameters, and storage of the same, for example, for displaying the transceiver operation over time. Further, it does not require calibration and requires minimal setup.
The present invention has been described herein with regard to preferred embodiments. However, it will be obvious to persons skilled in the art that a number of variations and modifications can be made without departing from the scope of the invention as described herein.

Claims

THE EMBODIMENTS OF THE INVENTION IN WHICH AN EXCLUSIVE PROPERTY ORPRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A system for monitoring a transceiver comprising:
a transmit power sensor for sensing output RF transmit power of the transceiver and for generating transmit power data indicative thereof;
a receive sense sensor for externally sensing a receive sense of the transceiver and for generating receive sense data indicative thereof; and,
a microcontroller connected to the transmit power sensor and the receive sense sensor, the microcontroller for determining an operational condition of the transceiver by correlating the transmit power data and the receive sense data and for generating data indicative of the condition of the transceiver operation.
2. The system according to claim 1 wherein the receive sense sensor is adapted for sensing a visual light signal.
3. A method for monitoring a transceiver comprising:
using a transmit power sensor sensing output RF transmit power of the transceiver and generating transmit power data indicative thereof;
using a receive sense sensor externally sensing a receive sense of the transceiver and generating receive sense data indicative thereof; and,
using a microcontroller connected to the transmit power sensor and the receive sense sensor determining an operational condition of the transceiver by correlating the transmit power data and the receive sense data and generating data indicative of the condition of the transceiver operation.
4. The method according to claim 3 wherein the receive sense sensor senses a visual light signal.
PCT/CA2018/000059 2017-03-24 2018-03-22 System and method for monitoring analog and digital transceivers with persistent and non-persistent communications WO2018170579A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA2.962.001 2017-03-24
CA2962001A CA2962001A1 (en) 2017-03-24 2017-03-24 System and method for monitoring analog and digital transceivers

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020125998A1 (en) * 1998-06-22 2002-09-12 Petite Thomas D. System and method for monitoring and controlling remote devices
US20090243801A1 (en) * 2008-03-31 2009-10-01 Martin Strzelczyk Method and System for Utilizing an RFID Sensor Tag as RF Power Measurement Embedded in Antenna
US20140315592A1 (en) * 2013-04-18 2014-10-23 Apple Inc. Wireless Device With Dynamically Adjusted Maximum Transmit Powers

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020125998A1 (en) * 1998-06-22 2002-09-12 Petite Thomas D. System and method for monitoring and controlling remote devices
US20090243801A1 (en) * 2008-03-31 2009-10-01 Martin Strzelczyk Method and System for Utilizing an RFID Sensor Tag as RF Power Measurement Embedded in Antenna
US20140315592A1 (en) * 2013-04-18 2014-10-23 Apple Inc. Wireless Device With Dynamically Adjusted Maximum Transmit Powers

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