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

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 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.

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 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.

Embodiments of the present invention relate to the technical field of communications, and disclosed are a method for enhancing voice over Internet protocol (VoIP) data uplink coverage, a terminal and a base station. The method comprises: determining a logic channel, an air interface overhead compression manner and a target transmission block (TB) size of VoIP data to be transmitted; based on the determined target TB size, compressing, according to the determined air interface overhead compression manner, an air interface overhead of the VoIP data to be transmitted on the determined logic channel, so as to obtain target VoIP data; and sending the target VoIP data to the base station. The embodiments of the present invention are mainly used for transmission of VoIP data.

The present invention provides a transmission method and a terminal. The method includes: using at least one reference signal port among N reference signal ports to transmit a reference signal; the reference signal is generated by modulating a reference signal sequence through at least one of the following modulation methods: the first Type I modulation, first orthogonal superposition code modulation, discrete Fourier transform modulation, frequency domain filtering, second orthogonal superposition code modulation, inverse fast Fourier transform modulation, wherein N is an integer greater than 1. The PAPR of the reference signal transmitted by the present invention is relatively low, so that the power amplifier efficiency of the signal transmitting end can be improved, the power consumption can be reduced, the demodulation performance of the signal receiving end can be improved, and the uplink coverage can be improved.

Apparatus and methods for improving a coverage of an uplink Voice over IP (VoIP) transmission of a wireless device are disclosed. A wireless device assigns a first hybrid automatic repeat request (HARQ) process to a first VoIP packet of the wireless device. The wireless device then assigns a second HARQ process to a second VoIP packet of the wireless device. The wireless device then transmits the first and second VoIP packets to a base station.

Embodiments of the present invention provide a data packet transmission method and system, user equipment, and a base station. The method includes: the user equipment receives the process configuration message of the first process sent by the base station; performs process binding on the first process and at least one second process according to the process configuration message; and performs process binding between the first process and the The same data packet is transmitted on the at least one second process. By adopting the above technical solution of the embodiment of the present invention, the process of transmitting the same data packet can be increased, and the block error rate of the uplink data packet received by the eNB can be further reduced, especially in the edge area of ​​the LTE system, by reducing the block error rate of the uplink data packet, Uplink coverage can be further enhanced.

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.