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Broadcast channel sending method, receiving method and equipment

A technology for transmitting equipment and broadcast channels, applied in wireless communication, digital transmission systems, electrical components, etc., can solve problems such as large resource overhead, and achieve the effect of avoiding resource overhead

Active Publication Date: 2018-06-08
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] It can be seen from this that, to encode the PBCH by using the convolutional coding method, not only need to generate CRC check information and sequence check information, but also need to encode the sequence check information, which will bring relatively large high resource overhead

Method used

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  • Broadcast channel sending method, receiving method and equipment
  • Broadcast channel sending method, receiving method and equipment
  • Broadcast channel sending method, receiving method and equipment

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Embodiment Construction

[0034]Various embodiments of the present application may be applied to a wireless communication system including a network device and a terminal device (terminal device or terminal equipment). For example, LTE system, or other wireless communication systems using various wireless access technologies, such as code division multiple access, frequency division multiple access, time division multiple access, orthogonal frequency division multiple access, single carrier frequency division multiple access, etc. systems with advanced technology, and subsequent evolution systems, such as fifth-generation (5G) systems, etc.

[0035] In various embodiments of the present application, the sending device may be a network device, the receiving device may be a terminal device, and the broadcast channel may be any PBCH channel that needs to be sent in a broadcast manner.

[0036] The technical solution of the present application will be described below in conjunction with the accompanying dr...

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Abstract

The invention discloses a broadcast channel sending method, receiving method and equipment. The broadcast channel sending method comprises the following steps: sending equipment obtains an LDPC checkmatrix corresponding to transmitting antenna port number of the sending equipment; the sending equipment obtains an information sequence matched with input code length of the LDPC check matrix; the sending equipment carries out encoding on the information sequence by utilizing the LDPC check matrix to obtain a coded sequence; the sending equipment carries out modulation on the coded sequence to obtain a symbol sequence; and the sending equipment enables the symbol sequence to be mapped to a time-frequency resource corresponding to a broadcast channel and to be sent. Through the disclosed method and equipment, broadcast channel transmission is carried out without attaching CRC check information to the information sequence, so that resource overhead caused by the CRC check information can beavoided.

Description

technical field [0001] The present application relates to the field of wireless communication, and in particular to a broadcast channel sending method, receiving method and equipment. Background technique [0002] In a long term evolution (long term evolution, LTE for short) system, a physical broadcast channel (physical broadcast channel, PBCH for short) may be used to carry an information sequence composed of system parameters such as downlink system bandwidth and system frame number. However, when the information sequence is sent through the PBCH, in order to improve the anti-interference capability, it is usually necessary to encode the information sequence by using a convolutional coding method. [0003] When encoding the information sequence in a convolutional coding manner, the sending device needs to first attach the information sequence to a cyclic redundancy check (CRC) to generate CRC check information; then the CRC check information Perform an AND operation with...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00H04W72/00
CPCH04L1/0061H04W72/30
Inventor 余荣道
Owner HUAWEI TECH CO LTD