A communication device for estimating the azimuth angle includes a receiving module and an estimating module. The receiving module is configured to sequentially switch several azimuth angles to receive a first signal transmitted at the first transmitting angle from a first transmitting module of the first communication device. The estimation module is configured to calculate several signal powers of the first signal received by the receiving module at the several azimuth angles; to determine the maximum signal power among the several signal powers; to determine the pre-judged AOD according to the azimuth angle of the maximum signal; and to calculate the AOD of the associated first signal based on the pre-judged AOD and at least one azimuth angle adjacent to the pre-judged AOD among the several azimuth angles.

Provided is a wireless base station which uses distributed antennas and selects a combination of a plurality of wireless terminals and the distributed antennas of a wireless base station that performs multi-user transmission with respect to the plurality of wireless terminals in a multi-BSS wireless environment. The wireless base station includes: a scheduling unit that measures reception power (RSSI) from each wireless terminal at each of the distributed antennas and selects a combination of a plurality of wireless terminals and a plurality of antennas having approximately the same RSSIs in descending order for respective wireless terminals; and a transmission power control unit that sets minimum transmission power corresponding to the RSSI of the antenna when multi-user transmission is performed between the plurality of wireless terminals and the plurality of antennas combined by the scheduling unit.

A method for selecting a beamforming technique, applied in an apparatus of a multi-cell network, provides optimization to maximize effective throughput of communication based on the multi-cell network, the optimization is modelled as a Markovian decision process, and a multi-agent reinforcement learning framework is built based on the multi-cell network. A multi-agent reinforcement learning algorithm is used to generate the optimization and obtain a current beamforming selection strategy of all base stations.

A gNB central unit (gNB-CU) includes a transmitter and a receiver. The transmitter is configured to transmit a message to a gNB distributed unit (gNB-DU). The receiver is configured to receive from the gNB-DU, in response to the message, a list indicating User Equipments (UEs) which needs to be notified by dedicated signaling of system information.

A method of a user equipment (UE) for an uplink power control is provided. The method comprises receiving, from a base station (BS), configuration information indicating a power scaling value (β) to be applied to a physical uplink shared channel (PUSCH) transmission, determining, based on the received configuration information, the power scaling value (β) for the PUSCH transmission from values of $\beta =1\mathrm{or}\beta =\frac{{\rho }_0}{\rho },$
where ρ.sub.0 is a number of antenna ports with a non-zero PUSCH transmission power and ρ is a number of sounding reference signal (SRS) ports, and transmitting the PUSCH transmission with a linear value ({circumflex over (P)}) of transmit power scaled based on the determined power scaling value (β), where the linear value ({circumflex over (P)}) of the transmit power after power scaling, β×{circumflex over (P)}, is divided equally across the antenna ports on which the UE transmits the PUSCH transmission with non-zero power.

Remote compensators for mobile devices are provided. In certain embodiments, a mobile device includes a cable-side circulator, an antenna, receive amplifier circuitry that amplifies a receive signal from the antenna and provides an amplified receive signal to the cable-side circulator, transmit amplifier circuitry that amplifies a transmit signal from the cable-side circulator, and a first antenna-side circulator and a second antenna-side circulator each coupled between the transmit amplifier circuitry and the antenna. The first antenna-side circulator and the second antenna-side circulator operate to compensate the receive signal for transmit leakage arising from the transmit amplifier circuitry.

Remote compensators for mobile devices are provided. In certain embodiments, a mobile device includes a cable-side circulator, an antenna, receive amplifier circuitry that amplifies a receive signal from the antenna and provides an amplified receive signal to the cable-side circulator, transmit amplifier circuitry that amplifies a transmit signal from the cable-side circulator, and a first antenna-side circulator and a second antenna-side circulator each coupled between the transmit amplifier circuitry and the antenna. The first antenna-side circulator and the second antenna-side circulator operate to compensate the receive signal for transmit leakage arising from the transmit amplifier circuitry.

A wireless communication method for a wireless terminal. The wireless communication method comprises reporting, to a wireless network node, at least one precoding matrix group of at least one codeword according to a transmission mode, receiving, from the wireless network node, at least one codeword, and performing a transmission based on power ratio of the codeword.

The technologies described herein are generally directed to facilitate allocating resources to zones for IOT equipment in a fifth generation (5G) network or other next generation networks. An example method discussed herein includes identifying, by carrier allocation equipment, carrier transmission information corresponding to transmission of a first carrier signal configured to support Internet of things equipment. The method can further comprise analyzing, by the carrier allocation equipment, the carrier transmission information to determine coverage information corresponding to a potential for coverage, by the first carrier signal, of an Internet of things equipment support zone corresponding to a geographic area. The method can further include, based on the coverage information, facilitating configuring transmission parameter information, representative of a transmission parameter applicable to the coverage of the Internet of things equipment support zone by the first carrier signal.

A communication technique and a system thereof for are provided fusing a 5G communication system to support higher data rates, which is subsequent to the 4G system, with IoT technology. The disclosure may be applied to intelligent services (e.g., smart homes, smart buildings, smart cities, smart cars or connected cars, healthcare, digital education, retail business, security and safe-related services, etc.) based on 5G communication technology and IoT-related technology. A method of operating a base station in a wireless communication system includes transmitting channel feedback configuration information to a terminal; receiving channel feedback information from the terminal; and performing transmission/reception of data, based on the channel feedback information. The channel feedback information may include information indicating a state of an antenna panel of the terminal.