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A High Performance RF Channel for a tdd LTE Tower Mounted Amplifier

A technology of tower top amplifiers and radio frequency channels, applied in gated amplifiers, amplifiers with distributed constants in coupling networks, wireless communications, etc., can solve problems such as immature products, achieve noise figure indicators, low insertion loss, avoid self-excited effect

Active Publication Date: 2015-08-26
CHENGDU TIGER MICROWAVE TECH
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

The TDD-LTE 4G communication system TD-LTE has just begun to be promoted globally, and the TDD-LTE tower-mounted amplifier is a brand-new product. Because the TDD method brings high technical requirements to the design of the tower amplifier, there are currently no no mature product

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  • A High Performance RF Channel for a tdd LTE Tower Mounted Amplifier
  • A High Performance RF Channel for a tdd LTE Tower Mounted Amplifier
  • A High Performance RF Channel for a tdd LTE Tower Mounted Amplifier

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Embodiment Construction

[0017] The technical solution of the present invention will be further described in detail below in conjunction with the examples, but the protection scope of the present invention is not limited to the following description.

[0018] A high-performance radio frequency channel of a TDD LTE tower mount amplifier, which includes a transmitting channel, a receiving channel and a high-speed switch component, the transmitting channel is used to transmit downlink radio frequency signals, the receiving channel is used to transmit uplink radio frequency signals, and the high-speed switch component realizes the transmission channel and Switching and isolation of receiving channels; the high-speed switch assembly includes at least three high-speed switches SPST1-SPST3;

[0019] Such as figure 1 As shown, the transmission channel includes two λ / 4 microstrip lines and ANT filters, the downlink output of the base station BTS is connected to the input ends of two series λ / 4 microstrip lines...

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Abstract

Disclosed is a high-performance radio frequency (RF) channel of a TDD LTE tower mounted amplifier (TMA), comprising a transmitting channel, a receiving channel, and a high-speed switch assembly; the transmitting channel transmits a downlink RF signal; the receiving channel transmits an uplink RF signal; the high-speed switch assembly realizes the switching and isolation of the transmitting channel and the receiving channel; the high-speed switch assembly comprises at least three high-speed switches of SPST1 to SPST3; the transmitting channel comprises two λ / 4 microstrip lines and an ANT filter; the receiving channel comprises an ANT filter, a low noise amplifier (LNA) and an RX channel filter, and further comprises a bypass channel; the bypass channel comprises two λ / 4 microstrip lines and an ANT filter. The present invention can withstand high power, and has low insertion loss and low noise, thus ensuring uninterrupted communication of a base station at minimal insertion loss in case of power outage and amplifier failure.

Description

technical field [0001] The invention relates to a high-performance radio frequency channel of a TDD LTE tower top amplifier. Background technique [0002] TD-LTE, or Time Division Long Term Evolution, is a new generation of 4G communication technology. The characteristics of TD-LTE new generation communication technology are: higher operating frequency, faster transmission speed, larger amount of information carried, requiring more sophisticated equipment, Higher reliability and better network call quality have put forward more stringent technical requirements for device suppliers. [0003] Tower Mounted Amplifier is referred to as Tower Mounted Amplifier or TMA (Tower Mounted Amplifier). Its purpose is to provide the tower top receiving amplification closest to the antenna. The received signal amplification compensates the feeder loss from the antenna to the base station, thus improving the receiving sensitivity of the base station. Moreover, tower amplifiers usually have...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W88/08
CPCH03F3/72H03F3/60
Inventor 周为
Owner CHENGDU TIGER MICROWAVE TECH
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