Samsung Electronics Co., Ltd.

Qi Xiong

Chen Qian

Bin Yu

Jingxing Fu

Feifei Sun

Yingjie Zhang

Yi Wang

Di Su

Min Wu

Chenxi Hao

Chengjun Sun

Chuang Zhang

Yeohun Yun

Jing Fu

Sa Zhang

Peng Lin

The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present disclosure provides a signal transmission method, apparatus, electronic device and computer readable storage medium.

Signal transmission method, apparatus, electronic device and computer readable storage medium

A method for random access (RA) performed by a terminal in a communication system, is provided. The method includes receiving, from a base station, a first random access channel (RACH) configuration for 4-step RA, a second RACH configuration for 2-step RA, and physical uplink shared channel (PUSCH) configuration, in case that a type of the RA is the 2-step RA, identifying an RA occasion for the 2-step RA; identifying a valid PUSCH resource based on the PUSCH configuration, wherein the valid PUSCH resource is a PUSCH resource not overlapping with the RA occasion for the 2-step RA, and in case that a random access preamble in the RA occasion for the 2-step RA is not mapped to the valid PUSCH resource, transmitting, to the base station, the random access preamble in the RA occasion for the 2-step RA.

Method and device for transmitting random access signal, and computer readable medium

The disclosure relates to a communication method and system for converging a 5-Generation (5G) communication system for supporting higher data rates beyond a 4-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The disclosure provides a method performed by a user equipment (UE), comprising: obtaining configuration information of a reference signal for positioning measurement, wherein the reference signal includes at least one of a first signal for downlink positioning measurement or a second signal for uplink positioning measurement; and performing an operation related to the positioning measurement in a radio resource control (RRC) idle state or a RRC inactive state.

Method and apparatus for positioning in communication system

The present disclosure provides a grant free uplink transmission method, the method is performed at a user equipment side, comprising: determining, according to configuration information for grant free uplink transmission received from a base station, a radio network temporary identifier GF-RNTI for grant free uplink transmission, and transmitting an uplink signal; and monitoring feedback from the base station in a downlink control channel by using the determined GF-RNTI. The present disclosure also provides a user equipment and a base station for grant free uplink transmission.

Method for grant free uplink transmission, user equipment and base station device

The present disclosure relates to a communication method and system for converging a 5-Generation (5G) communication system for supporting higher data rates beyond a 4-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present disclosure provides a method for uplink power control, which is applied to a User Equipment (UE), and the method includes: determining a timing between a power control command and a Physical Uplink Control Channel (PUCCH), which adopts the power control command to control power. The present disclosure also provides a corresponding device.

Method and device for uplink power control

The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present disclosure provides a method and device for determining timing information.

Method and device for determining timing information

The present disclosure discloses a method, a user equipment and a base station for transmitting HARQ-ACK information, including: determining, the number of bits of HARQ-ACK information transmitted on an uplink subframe n and a PUCCH resource for transmitting the HARQ-ACK information; determining, a PUCCH power adjustment value transmitting the HARQ-ACK information according to a shared field of TPC and a total DL DAI in DCI of a PDCCH scheduling a PDSCH or indicating semi-static SPS release; transmitting, the HARQ-ACK information on the uplink subframe n according to the determined number of bits, the PUCCH resource, and the PUCCH power adjustment value; wherein the shared field of the TPC and the total DL DAI is just used to transmit a TPC command, or, the shared field of the TPC and the total DL DAI is used to transmit the TPC command or a value of the total DL DAI.

Method, user equipment and base station for transmitting HARQ-ACK information

The present disclosure relates to a transmission method and apparatus. The method may comprise: receiving at least one piece of downlink control information; determining, based on the downlink control information, a time resource of a to-be-sent hybrid automatic retransmission request-acknowledgement and/or a content of the hybrid automatic retransmission request-acknowledgement; and sending the hybrid automatic retransmission request-acknowledgement based on the determined time resource and/or the determined content.

Transmission over a random access channel

A method for operating a user equipment (UE) in a wireless communication includes obtaining resource configuration information of an uplink signal; obtaining resource configuration information for two-step random access based on the resource configuration information of the uplink signal; determining resources for transmission for the two-step random access based on the resource configuration information for the two-step random access; and performing the transmission for the two-step random access, wherein the transmission for the two-step random access comprises transmitting a preamble on a random access occasion (RO) and transmitting data for the two-step random access on a physical uplink shared channel (PUSCH).

Method and apparatus for random access

The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-Generation (4G) communication system such as long term evolution (LTE). The method for operating a terminal in a wireless communication system is provided. The method includes receiving, from a base station, configuration information of an initial active uplink bandwidth part (UL BWP) and corresponding random access resource; based on the configuration information of the initial active UL BWP and the corresponding random access resource, determining corresponding physical random access channel (PRACH) occasions; and performing random access procedure based on the determined PRACH occasion.

Method and apparatus for resource determination, resource configuration, transmitting random access preamble and random access

The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present disclosure provides a random access method, a network node and a user equipment. With the solution of the above embodiment of the present disclosure, the performance of the UE randomly accessing the target cell can be improved.

Random access method, network node and user equipment

A method and a corresponding apparatus for performing uplink transmission in a wireless communication system are disclosed. The method comprises: based on at least one of the information indicating uplink transmission resources, acquiring the number of resource elements REs used for determining a PUSCH transmission; determining a transport block size TBS for the uplink transmission based on the number of REs; and performing the uplink transmission based on the determined TBS. Wherein, a PUSCH transmission occupies m time unit for transmission, and the rate matching and RE mapping of the PUSCH are performed on all resources occupied in m time unit.

Method and apparatus for uplink transmission

The present disclosure provides a method for transmitting uplink information, including: determining a frequency band for carrier sensing and an allocation manner of uplink frequency domain resources by receiving a signaling or by predefining via a protocol; performing carrier sensing at the determined frequency band for carrier sensing; and transmitting uplink information in uplink frequency domain resources determined according to the allocation manner of uplink frequency domain resources when a carrier is idle. The present disclosure also provides a user equipment for transmitting uplink information.

Method and apparatus for transmitting uplink information

The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-Generation (4G) communication system such as long term evolution (LTE). The method for operating a user equipment (UE) in a wireless communication system is provided. The method includes detecting a synchronization signal block, performing downlink synchronization process according to the detected synchronization signal block, and determining time-frequency resources of an anchor subband; acquiring random access configuration information according to the time-frequency resources of the anchor subband, performing a random access process according to the random access configuration information, and completing uplink synchronization; and acquiring control information in a control channel band, and performing data communication with a base station in the data transmission band according to the control information.

Method and apparatus for communication based on frame structure

The disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method performed by a user equipment (UE) comprises transmitting, to a base station, a random access preamble and capability information of the UE; receiving, from the base station, a random access response including time domain scheduling information being based on the capability information; and transmitting, to the base station, data based on the time domain scheduling information.

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Beijing, China

Qi Xiong