DETERMINING PROXIMITY OF TRANSMITTER ANTENNAS OF PORTABLE DEVICES TO A HUMAN BODY FOR LIMITING TRANSMITTER OUTPUT POWER TO MEET SPECIFIC ABSORPTION RATE (SAR) REQUIREMENTS

DETERMINING PROXIMITY OF TRANSMITTER ANTENNAS OF PORTABLE DEVICES TO A HUMAN BODY FOR LIMITING TRANSMITTER OUTPUT POWER TO MEET SPECIFIC ABSORPTION RATE (SAR) REQUIREMENTS

A method for adjusting transmitter output power (PTX) comprises sensing, by a proximity sensor communicatively coupled to a transmitting device, whether an object is proximate to the transmitting device. The method further comprises analyzing an image from a camera to determine whether the transmitt...

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Bibliographische Detailangaben
Hauptverfasser: ALY, Aly, SHEE, Koon Keong, SEYED, Shurhabeel Zamir
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
WIRELESS COMMUNICATIONS NETWORKS
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Beschreibung
Zusammenfassung:A method for adjusting transmitter output power (PTX) comprises sensing, by a proximity sensor communicatively coupled to a transmitting device, whether an object is proximate to the transmitting device. The method further comprises analyzing an image from a camera to determine whether the transmitting device is proximate to a portion of a human body, when the proximity sensor senses the object proximate to the transmitting device. Further, the method comprises adjusting the PTX of an antenna operatively coupled to the transmitting device to be less than or equal to a SAR threshold output power (PSARMAX), when it is determined that the transmitting device is proximate to the portion of the human body or when it cannot be determined whether the transmitting device is proximate to a portion of a human body.