Base station device in mobile communication system

A mobile communication system and base station technology, applied in transmission systems, modulated carrier systems, digital transmission systems, etc., can solve the problems of increasing sending and receiving signals, achieve the effect of reducing the number, high performance characteristics, and reducing manufacturing difficulty

Active Publication Date: 2017-05-31
KMW INC
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

Therefore, as mentioned above, it is very difficult to increase the isolation between the transmission sign

Method used

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  • Base station device in mobile communication system
  • Base station device in mobile communication system
  • Base station device in mobile communication system

Examples

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Example Embodiment

[0022] The preferred embodiments of the present invention will be described in detail below with reference to the drawings. The following description shows specific items such as specific constituent elements, which are provided to help a comprehensive understanding of the present invention. The specific items can be modified or changed within the scope of the present invention. It is obvious to a technician with general knowledge in the technical field. In the drawings, the same reference numerals are used as much as possible for the same constituent elements.

[0023] figure 2 It is a block diagram of the base station apparatus of the mobile communication system according to the first embodiment of the present invention. figure 2 Similar to figure 1 The conventional example shown in the figure discloses an antenna system 10 of a 2T2R MIMO structure used in a general mobile communication base station and a first duplexer 20 and a second duplexer 21 provided in the transmission...

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Abstract

The present invention relates to a base station device in a mobile communication system, comprising: an antenna system provided with a first antenna for transmitting/receiving signals with respect to a first path among MIMO paths and a second antenna for transmitting/receiving signals with respect to a second path; a first duplexer provided with a transmission filter for processing transmission signals in the first path and a reception filter for processing reception signals in the second path; a second duplexer provided with a reception filter for processing reception signals in the first path and a transmission filter for processing transmission signals in the second path; and a path change unit for providing the transmission signals provided from the first duplexer to the first antenna, providing the reception signals provided from the first antenna to the second duplexer, providing the transmission signals provided from the second duplexer to the second antenna, and providing the signals provided from the second antenna to the first duplexer.

Description

technical field [0001] The present invention relates to a base station including a relay of a wireless communication (PCS, Cellular, CDMA, GSM, LTE, etc.) system, and in particular, relates to a transmission system for processing based on MIMO (Multi Input Multi Output) A base station device of a mobile communication system that can provide a higher degree of isolation between a signal and a received signal. Background technique [0002] Antennas used in base stations including repeaters in wireless communication systems can have various forms and structures. Recently, wireless communication antennas use polarization diversity, and 2T2R (2Tx / 2Rx) generally uses dual polarization using MIMO. antenna structure. In this case, the signals of the transmit and receive paths use bidirectional devices respectively, and a structure that isolates the transmit and receive signals is usually adopted. [0003] figure 1 It is a block configuration diagram of a base station apparatus of...

Claims

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Application Information

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IPC IPC(8): H04B7/06H04B7/155
CPCH04B7/155H04B7/0413H04B1/52H04B7/06H04B1/0035H04B7/024H04B7/026H04L27/2334
Inventor 文荣灿朴南信崔昌燮罗仁虎
Owner KMW INC
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