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High-performance radio frequency channel for TDD LTE (time division duplexing long term evolution) tower mounted amplifier

A tower top amplifier and radio frequency channel technology, which is applied in the direction of gated amplifiers, amplifiers with distributed constants in the coupling network, wireless communications, etc., can solve problems such as immature products, and achieve noise figure indicators, low insertion loss, and improved The effect of isolation

Active Publication Date: 2013-05-01
CHENGDU TIGER MICROWAVE TECH
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  • Abstract
  • 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

Method used

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  • High-performance radio frequency channel for TDD LTE (time division duplexing long term evolution) tower mounted amplifier
  • High-performance radio frequency channel for TDD LTE (time division duplexing long term evolution) tower mounted amplifier
  • High-performance radio frequency channel for TDD LTE (time division duplexing long term evolution) tower mounted amplifier

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Embodiment Construction

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

[0018] A high-performance radio frequency channel for TDD LTE tower mounted amplifiers, 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, and the receiving channel is used to transmit uplink radio frequency signals. Switching and isolation of the receiving channel; the high-speed switch assembly includes at least three high-speed switches SPST1 to SPST3;

[0019] Such as figure 1 As shown, the transmitting 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 λ / 4 microstrip lines in series, and λ / 4 microstrip lines are connected in series. The output of is connec...

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Abstract

The invention discloses a high-performance radio frequency channel for a TDD LTE (time division duplexing long term evolution) tower mounted amplifier. The high-performance radio frequency channel for the TDD LTE tower mounted amplifier comprises an emission channel, a receiving channel and a high-speed switch assembly, wherein the emission channel is used for transmitting a downlink radio frequency signal; the receiving channel is used for transmitting an uplink radio frequency signal; the high-speed switch assembly is used for switching and isolating the emission channel and the receiving channel; the high-speed switch assembly comprises at least three high-speed switches SPST1-SPST3; the emission channel comprises two lambda / 4 micro-strip lines and an ANT filter; and the receiving channel comprises an ANT filter, a low-noise amplifier (LNA), an RX channel filter and a bypass channel, wherein the bypass channel comprises two lambda / 4 micro-trip lines and an ANT filter. The high-performance radio frequency channel for the TDD LTE tower mounted amplifier, which is disclosed by the invention, can be used for bearing high power and has the characteristics of low insertion loss and low noise, and base station communication is prevented from interrupting with the insertion loss as low as possible during power failure and amplifier breakdown.

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 the new generation of TD-LTE communication technology are: higher working frequency, faster transmission speed, larger amount of information carried, and more sophisticated equipment. Higher reliability and better network call quality are required, all of which put more stringent technical requirements on device suppliers. [0003] Tower Mounted Amplifier is abbreviated as Tower Mounted Amplifier or TMA (Tower Mounted Amplifier), and its purpose is to provide the tower top receiving amplification closest to the antenna. The received signal amplification compensates for the feeder loss from the antenna to the base station, thus improving the receiving sensitivity of the base station. Moreover, usually tower am...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W88/08
CPCH04W88/08H04B7/15H04B7/15507H03F3/60H03F3/72
Inventor 周为
Owner CHENGDU TIGER MICROWAVE TECH
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