H04W52/26

Method and system for controlling downlink transmit power
11582070 · 2023-02-14 · ·

Aspects of the subject disclosure may include, for example, obtaining channel cross correlation data relating to multiple user equipment (UEs) being served in a cell, wherein the channel cross correlation data comprises a correlation coefficient associated with a first UE of the multiple UEs and a second UE of the multiple UEs, identifying that the first UE is experiencing decreasing throughput, responsive to the identifying that the first UE is experiencing decreasing throughput, determining whether the correlation coefficient associated with the first UE and the second UE satisfies a correlation threshold, and, based on a first determination that the correlation coefficient does not satisfy the correlation threshold, adjusting a downlink (DL) transmit power allocation for transmissions directed to the first UE. Other embodiments are disclosed.

Methods for performing power control in new radio (NR) systems

The disclosed method and an apparatus are directed to determine an uplink transmission power in New Radio (NR) systems by a wireless transmit/receive unit (WTRU) for transmitting at least one physical uplink shared channel (PUSCH), using multiple beams toward multiple Tx/Rx points (TRPs). The method includes determining common parameters that are common to the multiple beams. The method also includes determining beam-specific parameters like a configurable fractional power compensation factor for each beam, and a configurable maximum transmit power level for each beam, which are determined dynamically or semi-statically based on deployment, WTRU mobility, or interference level. The method further includes transmitting at least one codeword using at least one of the multiple beams, each of the multiple beams having a transmission power calculated based on the common parameters and the beam-specific parameters.

TRANSMISSION POWER CONTROL

Apparatuses and methods for transmission power control are disclosed. A given transmission resource and a first transmission power are determined (202, 204) for transmission. Prior to transmitting on the given transmission resource it is determined (206) whether the resource is occupied or unoccupied. Upon detecting that the resource is occupied, a second, reduced transmission power is determined (210) such that a transmission using the second, reduced transmission power would not render the resource as occupied. The determination of the second transmission power is based at least partially on a predetermined maximum transmission power reduction value. Transmission (212) is done utilising the given transmission resource using the second transmission power according to the determination.

SAFETY CONTROL METHOD AND APPARATUS

The present disclosure discloses an electromagnetic radiation safety control method, which belongs to the field of wireless communication technologies. The method includes: a terminal obtains a transmit power threshold according to a service requirement of service transmitted with a base station, performs a step of detecting a relationship between a beam direction and a position of a human body when a relationship between a current transmit power of the terminal and the transmit power threshold meets a specified condition, and reports safety control information to the base station when it is detected the relationship between the beam direction and the position of the human body meets a predetermined relationship, so as to instruct the base station to perform a control operation related to electromagnetic radiation safety.

Methods and apparatus for multi-carrier communication systems with adaptive transmission and feedback
11522650 · 2022-12-06 · ·

An arrangement is disclosed where in a multi-carrier communication system, the modulation scheme, coding attributes, training pilots, and signal power may be adjusted to adapt to channel conditions in order to maximize the overall system capacity and spectral efficiency without wasting radio resources or compromising error probability performance, etc.

Method and network node for enabling wireless communication with a wireless device

A method and a network node (300) for enabling wireless communication with a wireless device (302), wherein no more than a pre-determined maximum total transmit power is available for downlink transmission by the network node (300). When detecting that the wireless device (302) requires an extended transmission range (300B) which is larger than a nominal transmission range (300A), a boosted transmit power is determined and used for transmitting a first set of channels and/or signals to be used by the wireless device (302) to achieve the extended transmission range (300B). An attenuated transmit power is also determined and used for transmitting a second set of channels and/or signals not included in the first set of channels and/or signals, which provides a slightly reduced transmission range (300C) for the second set. The boosted transmit power is thus higher than a nominal transmit power, and the attenuated transmit power is lower than the nominal transmit power, so that the total transmit power used for transmitting said first and second sets does not exceed the pre-determined maximum total transmit power.

Method and device in UE and base station for transmitting power adjustment

The present disclosure provides a method and a User Equipment (UE) supporting transmission power adjustment. The UE receiving a first signaling; and transmitting a first radio signal; wherein, a first modulation symbol sequence is used to generate the first radio signal, the first modulation symbol sequence employs a target waveform, a first bit block is used to generate the first modulation symbol sequence, the first signaling is used to determine the target waveform out of X waveforms, the X is a positive integer greater than or equal to 2, a transmitting power of the first radio signal is a first power, the target waveform is used to determine an upper bound of the first power. The method can adjust the UE transmitting power according to the waveform of the uplink transmission, thus reducing the power loss of the UE or improving the coverage performance of the uplink transmission.

Method and device in UE and base station for transmitting power adjustment

The present disclosure provides a method and a User Equipment (UE) supporting transmission power adjustment. The UE receiving a first signaling; and transmitting a first radio signal; wherein, a first modulation symbol sequence is used to generate the first radio signal, the first modulation symbol sequence employs a target waveform, a first bit block is used to generate the first modulation symbol sequence, the first signaling is used to determine the target waveform out of X waveforms, the X is a positive integer greater than or equal to 2, a transmitting power of the first radio signal is a first power, the target waveform is used to determine an upper bound of the first power. The method can adjust the UE transmitting power according to the waveform of the uplink transmission, thus reducing the power loss of the UE or improving the coverage performance of the uplink transmission.

Method and apparatus for data-splitting transmission from multiple sites

Methods and apparatus for changing cell range coverage are disclosed. A wireless transmit/receive unit (WTRU) may include circuitry configured to transmit subframes of radio frames using a physical uplink shared channel (PUSCH), where the subframes are divided into first and second sets. The circuitry may include a first power control loop utilized for the first set of subframes and a second power control loop utilized for the second set of subframes. The first power control loop may set transmission power levels for transmission over the PUSCH for the first set of subframes, and the second power control loop may set transmission power levels for transmission over the PUSCH for the second set of subframes. The circuitry may be configured with a first physical uplink control channel (PUCCH) for a first eNodeB and a second PUCCH for a second eNodeB to simultaneously communicate with the first and the second eNodeBs.

WIRELESS TRANSMITTER AND A METHOD FOR TRANSMITTING DATA

A positioning method and apparatus, a WLAN device, and a storage medium are disclosed, and relates to the field of positioning technologies. The positioning method includes: a WLAN device obtains an uplink scheduling parameter sent by another WLAN device to a plurality of to-be-positioned WLAN devices, where the uplink scheduling parameter is used to indicate radio resources allocated to the plurality of to-be-positioned WLAN devices; the WLAN device receives uplink signals; and the WLAN device measures respective positioning data of the plurality of to-be-positioned WLAN devices based on the radio resources of the plurality of to-be-positioned WLAN devices and the received uplink signals. The embodiments can improve positioning timeliness of the to-be-positioned WLAN devices.