Invention Grant
- Patent Title: Dynamic impedance matching in wireless communications
- Patent Title (中): 无线通信中的动态阻抗匹配
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Application No.: US13963755Application Date: 2013-08-09
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Publication No.: US08880015B2Publication Date: 2014-11-04
- Inventor: Ahmadreza Rofougaran , Maryam Rofougaran
- Applicant: Broadcom Corporation
- Applicant Address: US CA Irvine
- Assignee: Broadcom Corporation
- Current Assignee: Broadcom Corporation
- Current Assignee Address: US CA Irvine
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Main IPC: H04B7/00
- IPC: H04B7/00 ; H04B1/18 ; H03H7/38 ; H04B1/16

Abstract:
Aspects of a method and system for LNA adjustment to compensate for dynamic impedance matching are provided. In this regard, an antenna matching network may be configured to maximize received signal strength for a determined frequency and an amplifier gain may be adjusted based on the maximized signal strength such that output levels of the amplifier are between specified limits. The antenna matching network may be programmatically controlled via one or more switching elements. The amplifier gain may be programmatically controlled via one or more bias points. The antenna matching network may be configured for a plurality of frequencies in a frequency band, such as an FM broadcast band, and a configuration for each frequency may be stored. Accordingly, when the receiver is tuned to a frequency, a corresponding configuration may be retrieved from memory.
Public/Granted literature
- US20130324066A1 Dynamic Impedance Matching in Wireless Communications Public/Granted day:2013-12-05
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