Apparatus and method to extend communication range
First Claim
Patent Images
1. A system, comprising:
- a first discrete power amplifier having an input terminal coupled to receive a signal modulated using an orthogonal frequency division multiplexing (OFDM) modulation scheme;
a second discrete power amplifier having an input terminal coupled to an output terminal of the first discrete power amplifier;
a primary antenna coupled to an output terminal of second discrete power amplifier;
a first discrete low noise amplifier (LNA);
a second discrete low noise amplifier (LNA) having an input terminal coupled to the primary antenna and an output terminal coupled to an input terminal of the first discrete low noise amplifier;
a diversity antenna; and
a third discrete low noise amplifier (LNA) having an input terminal coupled to the diversity antenna and an output terminal coupled to the input terminal of the first low noise amplifier.
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Accused Products
Abstract
Briefly, in accordance with an embodiment of the invention, an apparatus to extend communication range is provided. The apparatus may be coupled to a wireless local area network (WLAN) access point (AP) and may include at least one low noise amplifier, a power amplifier, and two circulators.
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Citations
5 Claims
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1. A system, comprising:
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a first discrete power amplifier having an input terminal coupled to receive a signal modulated using an orthogonal frequency division multiplexing (OFDM) modulation scheme; a second discrete power amplifier having an input terminal coupled to an output terminal of the first discrete power amplifier; a primary antenna coupled to an output terminal of second discrete power amplifier; a first discrete low noise amplifier (LNA); a second discrete low noise amplifier (LNA) having an input terminal coupled to the primary antenna and an output terminal coupled to an input terminal of the first discrete low noise amplifier; a diversity antenna; and a third discrete low noise amplifier (LNA) having an input terminal coupled to the diversity antenna and an output terminal coupled to the input terminal of the first low noise amplifier. - View Dependent Claims (2, 4)
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3. An apparatus to extend communication range in a wireless personal area network (WPAN) system, a wireless local area network (WLAN) system, or a wireless metropolitan area network (WMAN) system, comprising:
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a first power amplifier (PA); a first low noise amplifier (LNA); a first circulator having a first terminal coupled to a first terminal of the first power amplifier, a second terminal coupled to a first terminal of the first low noise amplifier, and a third terminal coupled to a first terminal of the apparatus; a second circulator having a first terminal coupled to a second terminal of the power amplifier, a second terminal coupled to a second terminal of the first low noise amplifier, and a third terminal coupled to a second terminal of the apparatus that is adapted to be coupled to a primary antenna; and a second low noise amplifier having a first terminal coupled to a third terminal of the apparatus that is adapted to be coupled to a diversity antenna and a second terminal coupled to a fourth terminal of the apparatus. - View Dependent Claims (5)
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Specification