40results about How to "Improve uplink coverage" patented technology

The present disclosure relates to a pre-5^th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4^th-Generation (4G) communication system such as Long Term Evolution (LTE). The present disclosure discloses a system, a data transmission method and a network equipment supporting a Packet Data Convergence Protocol (PDCP) duplication function. The data transmission method supporting a PDCP duplication function comprises the steps of: transmitting, by a first network equipment, a configuration instruction message of a radio bearer supporting a PDCP duplication function to a second network equipment; and, performing, by the first network equipment and the second network equipment, transmission of a data packet of the radio bearer configured with the PDCP duplication function. In the present disclosure, by an interface between the first network equipment and the second network equipment, the transmission of duplicated data packets between the first network equipment and the second network equipment is realized, and the reliability of data transmission is improved. The present disclosure also discloses a method and device for transferring supplementary uplink carrier configuration information and a method and device for performing a connection mobility adjustment.

A system and method are provided for operating a cellular communications network including a first base station and a second base station. The method comprises reducing the downlink transmission power of the second base station and increasing the downlink transmission power of the first base station, based upon the level of data traffic being communicated through the second base station; and receiving an initial uplink transmission from a mobile station at the second base station and identifying that the second base station can provide a communications service to the mobile station.

Provided in an embodiment of the present invention are a data packet transmission method and system, user equipment (UE) and eNB, the method comprising: the UE receives the process configuration message of a first process transmitted by the eNB; according to the process configuration message, bundling the first process with at least one second process; and transmitting the same data packet on the first process and the at least one second process. The technical solution employed in the embodiment of the present invention increases the processes transmitting the same data packet, reduces the block error rate of an eNB during uplink data packet reception, and further enhances uplink coverage especially in the edge area of an LTE system by reducing the block error rate of the uplink data packet.

The invention discloses a method for sub-channelizing and mapping wireless resources, which comprises the steps of carrying out replacement and rearrangement on the resources in a conventionally distributed resource group in each uplink sub-frame by taking the basic unit (tile) as the unit; dividing the conventionally distributed resources in each uplink sub-frame into distributed resource sub-groups corresponding to all TTI allocations according to allocated transmission time interval (TTI) allocation combined information; and replacing and/or mapping an LDRU onto the tile in the frequency band of the corresponding distributed resource sub-group in a frequency hopping way according to the logic distributed resource block (LDRU) structure under the corresponding TTI allocation of the distributed resource sub-group in each distributed resource sub-group. The adoption of the method can realize the sub-channelizing and the mapping of the wireless resources with the different TTI allocation combinations, thereby meeting a variety of user business performance demands, fully and high-efficiently utilizing the resources and improving the frequency spectrum effectiveness of a system.

A method and an apparatus for uplink data transmission and reception in time division duplex are disclosed in the embodiments of the present invention, relating to the field of wireless communication, which are used for increasing the utilization of uplink sub-frame and lifting the uplink covering effect. In the present invention, the terminals transmit the redundancy versions of transport blocks by bundling N uplink sub-frames, and the base stations receive the redundancy versions of transport blocks, wherein N refers to the number of uplink sub-frame in a wireless frame. The invention makes full use of uplink sub-frame and further improves the uplink covering effect.

The invention discloses an uplink data transmission method. The uplink data transmission method comprises that: user equipment (UE) reports parameters of self-capabilities to a base station; the reported parameters of the self-capabilities can indicate that the UE has a data compressing capability; on the basis of the data compressing capability, compression is performed on data to be transmitted; and the compressed data is transmitted to the base station. The invention also discloses an UE, a base station and an uplink data transmission system.

The embodiment of the invention relates to the technical field of wireless communication, in particular relates to a method, system and equipment for transmitting and receiving uplink data, used for solving the problem that a long term evolution (LTE) system is low in transmission performance in the prior art. The method for transmitting the uplink data comprises the following steps that: user equipment multiplies data on a sub carrier or an orthogonal frequency division multiplexing (OFDM) sign by an orthogonal frequency spreading sequence to acquire data subjected to frequency spreading; if the data on one sub carrier is multiplied by the orthogonal frequency spreading sequence, the user equipment maps the data subjected to frequency spreading to M sub carriers for transmission; and if the data on one OFDM sign is multiplied by the orthogonal frequency spreading sequence, the user equipment maps the data subjected to frequency spreading to M OFDM signs for transmission, wherein M is the length of the orthogonal frequency spreading sequence. By adopting the method provided by the embodiment of the invention, the transmission performance is improved.

The invention discloses a radio frequency front end system and a base station. Uplink signals of more antennas are received, and the receiving of the uplink signals of multiple channels, multiple frequency bands, and multiple carriers is realized, and in addition, an uplink coverage capability of an LTE system is improved. The radio frequency front end system comprises a splitter-combiner and a radio frequency receiver. The splitter-combiner comprises N channels, and each channel is connected with one antenna, and is used to receive the radio frequency signals of the corresponding antenna, and the antennas connected with the channels are different. The radio frequency receiver comprises N receiving links, and each link is connected with each channel, and is used to receive the radio frequency signals from the corresponding channel, and is used to process the received radio frequency signals, and in addition, N is a positive integer greater than or equal to two.

The invention provides an uplink power control method and equipment. The method comprises the following steps of tRANSMITTING DOWNLINK CONTROL INFORMATION DCI, wherein the DCI comprises related parameters of uplink signal power control, the related parameters are related to the number of target ports of terminal equipment, or the related parameters are related to the number of the target ports ofthe terminal equipment and the total number of the ports, and the target ports are ports, used for transmitting the uplink signals, of the terminal equipment, wherein the uplink signal comprises at least one of a physical uplink shared channel (PUSCH) and a sounding reference signal (SRS). According to the embodiment of the invention, as related parameters of uplink signal power control included in DCI is related to the number of target ports practically used for transmitting the uplink signal in the terminal equipment, the uplink power can be controlled more accurately and reasonably, and theactual uplink total power of the uplink signal is increased, so that the uplink coverage and the uplink transmission rate of the uplink signal are improved.

The embodiment of the invention provides a method and apparatus for multi-slot transmission. The method comprises the following steps: determining a time slot number value in a time slot number set; And sending the time slot number values to a user terminal, wherein the time slot number values are used for the user equipment to perform multi-time slot physical uplink control channel PUCCH and/or physical uplink shared channel PUSCH transmission. Thus, the UE can determine the slot number values from the pre-configured time slot number set according to the configuration of the network side, sothat multi-slot PUCCH and/or PUSCH transmission can be carried out, and the performance and uplink coverage of the PUCCH and/or PUSCH transmission are improved.

Apparatus, methods, and computer-readable media for cooperative relay in sidelink networks are disclosed herein. An example method for wireless communication at a first user equipment (UE) includes receiving, from a second UE, a groupcast signal comprising a resource allocation assigned to a plurality of sidelink UEs including the first UE. The example method also includes communicating, with a remote apparatus on a first resource included in the resource allocation, a first relay signal comprising at least a portion of the groupcast signal, in which the first relay signal corresponds to at least a portion of a second relay signal communicated with the remote apparatus on a second resource included in the resource allocation by at least one other sidelink UE of the plurality of sidelink UEs.

The invention discloses a 5G uplink coverage enhancement method, which comprises the following steps of: 1, establishing an uplink coverage quality grade table corresponding to a dynamic interval of a reference signal SINR, and establishing a mapping relation table between the uplink coverage quality grade table and time slot repetition times; step 2, determining the uplink coverage quality level of the 5G terminal in the idle state; 3, judging whether the 5G terminal in the inactive state is a mobile terminal or not; step 4, determining the uplink coverage quality grade of the 5G mobile terminal in the inactive state; step 5, determining the uplink coverage quality grade of the 5G non-mobile terminal in the inactive state; according to the invention, the uplink coverage quality level is adaptively determined through the SINR measurement value of the uplink physical signal, the uplink block error rate (BLER) and the power headroom (PHR) reported by the terminal, and the number of time slots needing to be aggregated is obtained through the pre-established mapping table of the uplink coverage quality level and the time slot repetition times, so that the uplink coverage is improved, and wireless resources are saved.