Method and device for determining transmission block size

A technology of transmission block size and transmission layer, which is applied in the field of communication data, can solve the problems of large span of scheduling time and frequency domain, large difference in the number of available resources, and inflexible operation, so as to achieve high flexibility and reduce implementation complexity , good scalability

Pending Publication Date: 2019-01-04
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, for 5G wireless communication systems, the flexibility of resource scheduling has changed more, and the number of available resources for data channels in each PRB is quite different.
In addition, the scheduling time and

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  • Method and device for determining transmission block size
  • Method and device for determining transmission block size
  • Method and device for determining transmission block size

Examples

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Embodiment Construction

[0097] Embodiments of the present application are described below with reference to the drawings in the embodiments of the present application.

[0098] The method and device for determining the transport block size provided in the embodiments of the present application may be applicable to a 5G communication system, and may also be applicable to an LTE system, or other wireless communication systems using various wireless access technologies. For example, using code division multiple access (code division multiple access, CDMA), frequency division multiple access (frequency division multiple access, FDMA), time division multiple access (time division multiple access, TDMA), orthogonal frequency division multiple access (orthogonal frequency division multiple access, OFDMA), single carrier-frequency division multiple access (single carrier-frequency division multiple access, SC-FDMA) and other access technology systems. The following will take the 5G communication system as an...

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Abstract

One embodiment of the application discloses a method and device for determining transmission block size. The method comprises following steps: a terminal device receives control information sent by anetwork device, wherein the control information comprises indication information and resource information of a data channel; the terminal device determines the modulation mode and the coding rate according to a first mapping relation set and the indication information, and determines the number of time-frequency resources according to the resource information of the data channel; the terminal device determines a transmission block size TBS according to the modulation mode, the coding rate, and the number of time-frequency resources; the terminal device decodes the data channel carried on the time-frequency resource based on the TBS or sends the data channel on the time-frequency resource based on the TBS. The embodiment of the present application has the advantage that the determination efficiency of the transmission block size can be improved, and further the transmission efficiency of the data channel can be improved.

Description

technical field [0001] The present application relates to the field of communication data, in particular to a method and device for determining the size of a transmission block. Background technique [0002] Fifth generation (5 th generation, 5G) wireless communication system (also known as new radio (new radio, NR) wireless communication system) is committed to supporting higher system performance, 5G communication system will support a variety of business types, a variety of deployment scenarios and a wider spectrum range . The 5G wireless communication system needs to support different requirements of different types of services. Therefore, it also has greater flexibility in resource scheduling, and the determination of the transport block size (transport block size, TBS) in resource scheduling also needs to be more flexible. [0003] In the existing long term evolution (long term evolution, LTE) system, taking the determination of the TBS of the data channel of the ter...

Claims

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Application Information

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IPC IPC(8): H04W72/04H04L1/00H04L5/00
CPCH04L1/0003H04L1/0027H04L5/0094H04L5/0048H04W72/23H04L1/0031H04L5/0007H04L5/003H04L1/0007H04L1/0009H04L5/0044H04B7/0626H04W28/06H04W28/20H04W72/044H04W72/53
Inventor 吕永霞
Owner HUAWEI TECH CO LTD
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