Embodiments of the present invention provide a communication terminal apparatus and a method. The communication terminal apparatus includes: a switch unit, a radio frequency unit, and a controller. The controller controls the switch unit to perform switching according to a preset ratio of uplink signal time duration resources to downlink signal time duration resources. The embodiments of the present invention can solve a problem of inflexible uplink and downlink time duration resource configuration.

Embodiments of the present invention provide a communication terminal apparatus and a method. The communication terminal apparatus includes: a switch unit, a radio frequency unit, and a controller. The controller controls the switch unit to perform switching according to a preset ratio of uplink signal time duration resources to downlink signal time duration resources. The embodiments of the present invention can solve a problem of inflexible uplink and downlink time duration resource configuration.

According to an example embodiment of the inventive concept, a master unit for time division duplex includes a passive signal distributor for outputting, to a second node, a downlink signal input through a first node, and outputting, to the first node, an uplink signal input through a third node, and a signal transceiver for transmitting, to a remote unit, the downlink signal input from the second node, and outputting, to the third node, an uplink amplification signal received from the remote unit.

According to an example embodiment of the inventive concept, a master unit for time division duplex includes a passive signal distributor for outputting, to a second node, a downlink signal input through a first node, and outputting, to the first node, an uplink signal input through a third node, and a signal transceiver for transmitting, to a remote unit, the downlink signal input from the second node, and outputting, to the third node, an uplink amplification signal received from the remote unit.

Embodiments describe systems, apparatuses, and methods for transmitting/receiving signal data to/from a plurality of transceiver modules. Devices in accordance with some embodiments can include a plurality of wireless transceiver modules, each wireless transceiver module to be communicatively coupled to a corresponding external transceiver mixture, one or more antennas to exchange signal data with the plurality of external transceiver modules, a radio frequency (RF) circulator, and one or more amplifiers to amplify the signal data received by the one or more antennas and signal data to be transmitted by the one or more antennas. The use of the RF circulator prevents transmitting signals that may collide with each other and cause interference with the communications.

Embodiments describe systems, apparatuses, and methods for transmitting/receiving signal data to/from a plurality of transceiver modules. Devices in accordance with some embodiments can include a plurality of wireless transceiver modules, each wireless transceiver module to be communicatively coupled to a corresponding external transceiver mixture, one or more antennas to exchange signal data with the plurality of external transceiver modules, a radio frequency (RF) circulator, and one or more amplifiers to amplify the signal data received by the one or more antennas and signal data to be transmitted by the one or more antennas. The use of the RF circulator prevents transmitting signals that may collide with each other and cause interference with the communications.

A high frequency circuit includes a main module and a diversity module. The main module includes a duplexer that transmits and receives a signal of a first communication band of a first communication system. The diversity module includes a duplexer that transmits and receives a signal of a second communication band of a second communication system, a reception filter that uses a reception band of the first communication band of the first communication system as a pass band, a power amplifier, a low noise amplifier, and a switch that exclusively switches between connection between a reception filter and the low noise amplifier and connection between the reception filter and the low noise amplifier. The first communication band and the second communication band have the same frequency band.

Disclosed is an electronic device including an antenna module including one or more antennas transmitting or receiving a signal in a first frequency band and a second frequency band wirelessly, a first duplexer separating the first frequency band into a first transmission frequency band and a first reception frequency band and adjusting the first reception frequency band, a second duplexer separating the second frequency band into a second transmission frequency band and a second reception frequency band and adjusting the second reception frequency band, and a diplexer including a first terminal electrically connected to the antenna module, a first filter passing the first frequency band, a second terminal electrically connected to the first filter and the first duplexer, a second filter passing the second frequency band, and a third terminal electrically connected to the second filter and the second duplexer. The diplexer adjusts a cut-off frequency of the first filter or the second filter in connection with the first reception frequency band adjusted through the first duplexer or the second reception frequency band adjusted through the second duplexer. In addition, various embodiments as understood from the specification are also possible.

One disclosure of the present specification provides a method for performing communication by a user equipment (UE). The method comprises the steps of: receiving a downlink signal from a base station, wherein the downlink signal is received via n263 operation band in FR2-2 (Frequency Range2-2), wherein the UE is a power class 2 UE, wherein the UE satisfies REFSENS (Reference Sensitivity) on a first channel bandwidth, wherein, based on the first channel bandwidth being 100 MHz, the REFSENS is −86.3 dBm, wherein, based on the first channel bandwidth being 400 MHz, the REFSENS is −80.3 dBm, wherein, based on the first channel bandwidth being 800 MHz, the REFSENS is −77.3 dBm, wherein, based on the first channel bandwidth being 1600 MHz, the REFSENS is −74.3 dBm, wherein, based on the first channel bandwidth being 2000 MHz, the REFSENS is −73.3 dBm.

One disclosure of the present specification provides a method for performing communication by a user equipment (UE). The method comprises the steps of: receiving a downlink signal from a base station, wherein the downlink signal is received via n263 operation band in FR2-2 (Frequency Range2-2), wherein the UE is a power class 2 UE, wherein the UE satisfies REFSENS (Reference Sensitivity) on a first channel bandwidth, wherein, based on the first channel bandwidth being 100 MHz, the REFSENS is −86.3 dBm, wherein, based on the first channel bandwidth being 400 MHz, the REFSENS is −80.3 dBm, wherein, based on the first channel bandwidth being 800 MHz, the REFSENS is −77.3 dBm, wherein, based on the first channel bandwidth being 1600 MHz, the REFSENS is −74.3 dBm, wherein, based on the first channel bandwidth being 2000 MHz, the REFSENS is −73.3 dBm.