Invention Grant
- Patent Title: Impedance measurement system and mobile communication device comprising an impedance measurement system
- Patent Title (中): 阻抗测量系统和包括阻抗测量系统的移动通信设备
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Application No.: US14758977Application Date: 2013-01-11
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Publication No.: US09379761B2Publication Date: 2016-06-28
- Inventor: Peter Van Der Cammen
- Applicant: QUALCOMM Technologies, Inc.
- Applicant Address: US CA San Diego
- Assignee: Qualcomm Technologies, Inc.
- Current Assignee: Qualcomm Technologies, Inc.
- Current Assignee Address: US CA San Diego
- Agency: Smith Risley Tempel Blaha LLC
- International Application: PCT/EP2013/050498 WO 20130111
- International Announcement: WO2014/108204 WO 20140717
- Main IPC: H04B17/00
- IPC: H04B17/00 ; G01R27/02 ; H04B1/40 ; H04B1/00 ; H04B15/02

Abstract:
An impedance measurement system (IMS) is provided that comprises an RSSI chain (RSSI), a limiter RSSI chain (LIMRSSI) and a limiter chain (LIM). The RSSI chain and the limiter RSSI chain are connected to a subtraction circuit (SC) and the limiter RSSI chain and the limiter chain are connected to a phase detector (PD). Further, a mobile communication device is provided that comprises the impedance measurement system in an adaptive impedance control system.
Public/Granted literature
- US20150349833A1 IMPEDANCE MEASUREMENT SYSTEM AND MOBILE COMMUNICATION DEVICE COMPRISING AN IMPEDANCE MEASUREMENT SYSTEM Public/Granted day:2015-12-03
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