A user equipment (UE) is configured to vary a number of chains in uplink or downlink communications with a base station (BS). The UE includes a processor coupled to a transceiver. The processor is configured to: identify a full-chain beam for a downlink reception based on a beam sweeping; determine a number of activated chains for an uplink transmission; and determine a sub-chain uplink transmission beam.

A circuit arrangement including one or more processors configured to: detect a presence of one or more human object proximities based on sensor data; identify one or more coverage sectors of one or more antenna arrays, operably coupled to the one or more processors, in response to the detected presence of the one or more human object proximities; determine whether radio waves within the one or more identified coverage sectors satisfy a transmit power criteria; select one or more candidate coverage sectors of the one or more antenna arrays based the one or more identified coverage sectors; and determine at least one radio link quality for the radio waves of the one or more candidate coverage sectors.

To wirelessly communicate through a physical barrier, a network communication device determines uplink beamforming information and uplink power information. The network communication device wirelessly transfers the uplink beamforming information and the uplink power information to a serving communication device. The serving communication device wirelessly receives the uplink beamforming information and the uplink power information. The serving communication device receives an uplink signal from a user communication device. The serving communication device beamforms the uplink signal based on the uplink beamforming information. The serving communication device amplifies the uplink signal based on the uplink power information. The serving communication device wirelessly transfers the beamformed and amplified uplink signal to the network communication device. The network communication device wirelessly receives the beamformed and amplified uplink signal from the serving communication device. The network communication device wirelessly transfers the uplink signal to a wireless access node.

A method, a computer-readable medium, and an apparatus are provided that enable use of a full transmission power for a UE having a first set of coherent antenna ports that is non-coherent to a second set of coherent antenna ports. The apparatus determines a transmission power for a physical uplink shared channel (PUSCH) transmission from at least one antenna port including splitting the transmission power among multiple antenna ports having non-zero power without scaling the transmission power, and wherein the UE includes at least a first antenna port that is non-coherent to a second antenna port. Then, the apparatus transmits the PUSCH transmission using the determined transmission power.

A communication device for detecting an object includes a power module, an antenna array, a first sensor pad, a second sensor pad, and a control unit. The antenna array is excited by the power module, and is configured to provide a first beam group and a second beam group. The first sensor pad is disposed adjacent to the first side of the antenna array. A first capacitance is formed between the first sensor pad and the object. The second sensor pad is disposed adjacent to the second side of the antenna array. A second capacitance is formed between the second sensor pad and the object. The control unit controls the power module according to the first capacitance and the second capacitance, so as to selectively apply at least one power backoff operation to the first beam group and/or the second beam group.

There is provided mechanisms for reshaping individual beams of a beam pattern. A method is performed by a control node. The method comprises determining the beam pattern by distributing available transmission energy in individual beams according to a weighted combination of the individual beams. Different weights are applied for at least two of the individual beams. The weighted combination of individual beams is based on radio propagation channel properties. The method comprises truncating transmission energy of the individual beam with highest transmission energy in the beam pattern to not be over a threshold. The method comprises redistributing the truncated transmission energy among the remaining individual beams in the beam pattern, thereby reshaping the individual beams of the beam pattern.

The present disclosure provides a method, performed at a network node, for beam control signalling. The network node is configured to communicate with a wireless device comprising one or more physical antenna panels. Each physical antenna panel is configured to communicate with the network node using one or more panels. The method comprises receiving, from the wireless device, control signalling indicative of an association of the one or more panels with one or more corresponding physical antenna panels. The method comprises selecting, based on the association, one or more beams to be used by the wireless device in communication with the network node.

A transmission apparatus that (i) generates a Quadrature Phase Shift Keying (QPSK) modulation signal s1(t) by applying a QPSK modulation scheme to a first data sequence, (ii) generates a 16-Quadrature Amplitude Modulation (QAM) modulation signal s2(t) by applying a 16-QAM modulation scheme to a second data sequence, (iii) generates a transmission signal z1(t) and a second transmission signal z2(t) by applying a phase hopping process, a precoding process, and a power adjust process to the QPSK modulation signal s1(t) and the 16-QAM modulation signal s2(t), wherein an average transmission power of the 16-QAM modulation signal s2(t) being the same as an average transmission power of the QPSK modulation signal s1(t), and (iv) transmits the transmission signal z1(t) from a first antenna at a first time and a first frequency and the second transmission signal z2(t) from a second antenna at the first time and the first frequency.

According to some embodiments, a method performed by a wireless device for transmitting on a plurality of antennas comprises signaling, to a network node, a wireless device power transmission capability. The wireless device power transmission capability identifies a power ratio value of a plurality of power ratio values that the wireless device supports for transmission of a physical uplink channel Each value of the plurality of power ratio values corresponds to a transmission power capability and to a number of antenna ports. A power ratio refers to a ratio relative to a maximum power the wireless device is rated to transmit. The method further comprises transmitting a physical uplink channel using the 0 number of antenna ports with a power scaled at least by the power ratio value.

A reception-side apparatus includes: M receive antennas; and a processor configured to execute a first process of acquiring a first signal received from a first transmission-side apparatus from among signals simultaneously received from the N transmission-side apparatuses by receive diversity processing, and acquiring first data by demodulating and decoding the first signal. In the case of N>M, the processor acquires, for each of all patterns of a combination of a first signal, second signals from M-1 transmission-side apparatuses which are to be cancelled by receive diversity processing and third signals from N-M transmission-side apparatuses which are not to be cancelled by the receive diversity processing, a power ratio of power of the first signal relative to total power of the second and third signals based on a predetermined weight and a channel estimate of each signal, and selects a combination with the largest power ratio from among all the patterns.