China Academy of Telecommunications Technology

Datang Mobile Communications Equipment Co., Ltd.

Qianqian Si

Lei Wang

Xuejuan Gao

Xueming Pan

Zukang Shen

Weijie Xu

Fang-Chen Cheng

Shaohui Sun

Yanan Lin

Jiaqing Wang

Fangchen Cheng

Ekpenyong Tony

Xiangli Lin

Embodiments of the present application provide a method and an apparatus for processing the HARQ of an SPS PDSCH, and electronic device. In case that a PUCCH resource carrying the HARQ-ACK of an SPS PDSCH in a time unit determined according to K1 corresponding to the SPS PDSCH is not available, the HARQ-ACK of the SPS PDSCH is deferred to a target time unit for transmission to avoid discarding the HARQ-ACK of the SPS PDSCH as much as possible.

Method and apparatus for processing HARQ of SPS PDSCH and electronic device

Provided in the embodiments of the present disclosure are a UCI multiplexing method and apparatus, and a storage medium. With regard to a PUSCH carrying a multi-slot TB, when the PUSCH and one PUCCH overlap in at least one slot, the UCI multiplexing method comprises: determining resources needing to be occupied during the multiplexing of UCI on the PUSCH and an upper limit of the resources occupied during the multiplexing of the UCI on the PUSCH; on the basis of the resources needing to be occupied during the multiplexing of the UCI on the PUSCH and the upper limit of the resources occupied during the multiplexing of the UCI on the PUSCH, determining resources occupied during the actual transmission of the UCI; and on the basis of the resources occupied during the actual transmission of the UCI, transmitting the UCI on the PUSCH. By means of the embodiments of the present disclosure, the multiplexing of UCI on a PUSCH carrying a multi-slot TB is realized.

UCI multiplexing transmission method and apparatus, and storage medium

Provided are a method and an apparatus of determining a cap of transmission resources available for control information and a communication device. The method of determining a cap of transmission resources available for control information includes: determining, according to a ratio coefficient, a cap of transmission resources to be occupied by coded modulation symbols of control information on a physical uplink shared channel (PUSCH).

Method and apparatus of determining cap of transmission resources available for control information and communication apparatus

Embodiments of the present application provide an HARQ feedback method, a terminal, a base station and a storage medium. The method includes: adding, in an HARQ-ACK codebook which is determined according to a time offset K1 set and is transmitted in a time unit, A bits HARQ-ACK feedback corresponding to SPS PDSCHs to obtain an HARQ-ACK codebook to be transmitted; and transmitting the HARQ-ACK codebook. In the embodiments of the present application, in case that the SPS PDSCH is deferred, or is determined to feed back HARQ-ACK in a time unit based on a K1 value that does not belong to the K1 set, the HARQ-ACK of the SPS PDSCH needs to be added in the HARQ-ACK codebook determined based on the K1 set and corresponding to the time unit, so that correct HARQ-ACK transmission is ensured, and the HARQ-ACK of the SPS PDSCH is prevented from being discarded.

HARQ feedback method for SPS PDSCH with shorter periodicity, terminal, base station and storage medium

The present application provides a UCI transmission method and apparatus, which can support multiplexing transmission of UCI with different priorities on a same uplink channel. The method includes: determining whether a bit number of a UCI sequence exceeds a first preset threshold; when determining that the bit number of the UCI sequence does not exceed the first preset threshold, encoding the UCI sequence in a first-type encoding scheme, or, adding a padding bit or an occupancy bit to the UCI sequence till satisfying that a total number of bits exceeds the first preset threshold, obtaining a padded UCI sequence, encoding the padded UCI sequence in a second-type encoding scheme; and transmitting an encoded first UCI sequence and an encoded second UCI sequence on a same uplink channel.

Uplink control information UCI transmission method and apparatus

The embodiments of the present application relate to a method for performing hybrid automatic repeat request feedback, and a terminal, for solving the problem existing in the prior art that there is no clear solution regarding how to perform feedback on HARQ-ACK of an SPS PDSCH. In the embodiments of the present application, the terminal adds or removes HARQ-ACK of an SPS PDSCH in an HARQ-ACK codebook transmitted over a PUCCH or a PUSCH, and transmits a processed HARQ-ACK codebook. Since the terminal can add or remove the HARQ-ACK of the SPS PDSCH in the HARQ-ACK codebook transmitted over the PUCCH or the PUSCH, a solution to perform feedback on the HARQ-ACK of the SPS PDSCH is given, improving system performance.

Method for performing hybrid automatic repeat request feedback, and terminal

A transmission method, a terminal and a base station are provided, thereby solving the problem that there is no specific method in the 5G system for distinguishing whether one DCI triggers the transmission of data and control information at the same time or triggers the transmission of control information only. The transmission includes receiving DCI, wherein the DCI comprises indication information of N bits, the indication information of N bits is used to indicate whether the DCI triggers transmission of data, and N is an integer greater than or equal to 1; and performing transmission based on the indication information in the DCI.

Transmission method, user equipment and base station

This disclosure provides a codebook feedback processing method, a device, an apparatus and a medium. The method includes: determining, by a terminal, based on a quantity of repeated transmissions of a repeatedly transmitted semi-persistent scheduling (SPS) physical downlink shared channel (PDSCH), whether there is at least one valid transmission in corresponding transmission opportunities; and determining, by the terminal, based on whether there is at least one valid transmission, whether a feedback bit position is reserved for the SPS PDSCH in a feedback codebook. A base station determines, based on whether there is at least one valid transmission, whether a feedback bit position is reserved for the SPS PDSCH in the feedback codebook.

Codebook feedback processing method, device, apparatus and medium

The present disclosure provides a PUSCH transmission method, a PUSCH reception method, a UE and a base station. The PUSCH transmission method includes: determining indication information about an HARQ-ACK, the indication information about the HARQ-ACK being at least used to indicate whether there is HARQ-ACK information on a target PUSCH; and transmitting the indication information on the target PUSCH. According to the present disclosure, the indication information about the HARQ-ACK is additionally transmitted by the UE on the PUSCH, and the indication information is at least used to indicate whether there is the HARQ-ACK information on the target PUSCH.

Hybrid automatic repeat request-acknowledgement (HARQ-ACK) information transmission via physical uplink shared channel (PUSCH)

An HARQ-ACK feedback method, a terminal and a network side device are provided. The method includes: when a HARQ-ACK of a PDSCH is required to be transmitted on a PUSCH scheduled by uplink DCI in a multiplexing mode, if the uplink DCI includes a DAI, determining an HARQ-ACK feedback codebook transmitted on the PUSCH, based on at least one of a judgement result of whether the PDSCH scheduled before the uplink DCI is required to transmit the HARQ-ACK on the PUSCH in a multiplexing mode or the DAI, and a maximum quantity of PDSCHs capable of being transmitted after the uplink DCI.

HARQ-ACK feedback method, terminal, and network side device

An uplink power control method and a mobile terminal are provided. The method includes: acquiring an uplink transmission parameter corresponding to an uplink channel format; calculating an uplink power adjustment value according to the uplink transmission parameter, to control an uplink power.

Uplink power control method and mobile terminal

Disclosed are an uplink transmission resource scheduling method and device, and an uplink transmission method and device, which are used for reserving an uplink transmission resource on an unlicensed carrier, enabling a user equipment (UE) not to transmit an uplink signal on the reserved resource and avoiding a case in which the scheduled UE cannot access a channel, and can realize time division multiplexing of uplink transmission resources on the unlicensed carrier. An uplink transmission resource scheduling method provided by the present application comprises: a base station determines a reserved resource in an uplink subframe, the reserved resource being a transmission resource on an unlicensed carrier; and the base station sends a notification about the reserved resource in the uplink subframe to a UE.

Uplink transmission resource scheduling method and device, and uplink transmission method and device

Disclosed are a method and device for transmitting uplink control information, which are used for realizing a UE performing switching transmission of an uplink control channel on subframes and carriers, so that if the UE fails to pre-empt a resource on an unlicensed carrier, the UE may switch to the other carriers for transmission or continue to try to perform LBT in subsequent subframes, so as to ensure the timely and correct transmission of the uplink control information. The method comprises: a UE determining a physical uplink control channel (PUCCH) switching carrier group and the maximum feedback delay.

Method and device for transmitting uplink control information

Disclosed in the present application are a method and a device for transmitting PRACH signals in an unauthorized spectrum, used for enhancing channel access for a PRACH signal. The method comprises: before transmitting each candidate resource as configured in resources, a terminal performs LBT detection according to configuration information of a transmission resource for transmitting PRACH signals until a current channel is detected to be idle; and after detecting that the current channel is idle, the terminal transmits a PRACH signal on the corresponding candidate resource. In the present application, a plurality of candidate resources are configured in a transmission resource for transmitting PRACH signals, such that the terminal may transmit the PRACH signals on the corresponding candidate resource when it is detected that the current channel is idle before any candidate resource, thereby improving transmission probability for PRACH signals and enhancing channel access for PRACH signals.

Method and device for transmitting PRACH signals in unauthorized spectrum

Disclosed in the present application are a method and device for feeding back downlink data. When a processing duration of an UE is shortened, feedback timing information for feeding back downlink data may be adaptively changed. The method comprises: determining a processing capability of an UE, the processing capability referring to a processing duration that the UE takes to process the received downlink data to determine whether said downlink data needs to be retransmitted; according to the determined processing capability, determining the feedback timing information of the UE feeding back the downlink data.

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Beijing, China

Qianqian Si