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Data transmission method, data receiving method, data transmission device and data receiving device

A data transmission method and data encapsulation technology, applied in the field of communication, can solve problems such as inappropriate streaming data implementation methods, and achieve the effect of simplifying interconnection design and interface design.

Active Publication Date: 2015-04-22
SANECHIPS TECH CO LTD
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

General-purpose non-IQ data transmitted in the form of packets has the characteristics of burst and variable packet size, which is not suitable for the implementation of the original stream data

Method used

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  • Data transmission method, data receiving method, data transmission device and data receiving device
  • Data transmission method, data receiving method, data transmission device and data receiving device
  • Data transmission method, data receiving method, data transmission device and data receiving device

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Embodiment Construction

[0058] The technical solution of the present invention will be described in more detail below with reference to the drawings and embodiments.

[0059]It should be noted that, if there is no conflict, the embodiments of the present invention and various features in the embodiments can be combined with each other, and all are within the protection scope of the present invention. In addition, although a logical order is shown in the flowcharts, in some cases the steps shown or described may be performed in an order different from that shown or described herein.

[0060] A non-IQ data transmission method based on an IQ data transmission protocol interface, comprising:

[0061] The transmission of IQ and non-IQ data is carried out on the specified time slice; the specified time slice of transmitting IQ data and non-IQ data is different;

[0062] On the specified time slice of transmitting non-IQ data, indicate the start of the non-IQ data with the packet start identifier, and tran...

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PUM

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Abstract

The invention provides a data transmission method, a data receiving method, a data transmission device and a data receiving device. The data transmission method comprises the following steps of obtaining IQ (Intelligence Quotient) data from a main memory, detecting whether non-IQ data needs to be transmitted, and obtaining the non-IQ data from the main memory when the non-IQ data needs to be transmitted; packaging the non-IQ data according to an appointed packet format and adding a packet start marker; respectively mapping the IQ data and the non-IQ data to different appointed time slices according to initially-configured antenna carrier AxC distribution information; and transmitting data on each time slice according to the appointed protocol format. According to the data transmission method, the data receiving method, the data transmission device and the data receiving device, the suddenly-lengthened packet data can be transmitted on a transmission protocol which is good at stream transmission of the IQ data.

Description

technical field [0001] The present invention relates to the communication field, in particular, to a data sending and receiving method and device. Background technique [0002] With the continuous evolution of wireless communication protocols, the complexity of physical layer algorithms continues to increase. The adoption of algorithms such as multi-cell cooperative demodulation or interference cancellation makes it necessary to transmit a large amount of IQ data (digital baseband data) between processing units, as well as A large amount of non-IQ data needs to be transmitted (eg: symbolic data). The processing unit can be multiple baseband SOC (system on chip) chips on the same baseband single board, or a processing unit between multiple baseband boards, or a processing unit between BBU (baseband processing unit) chassis, or even BBU and RRU ( processing unit between radio frequency remote units). For the transmission of IQ data, the industry generally adopts CPRI (Common...

Claims

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Application Information

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IPC IPC(8): H04L1/00
CPCH04L1/00
Inventor 龙志军尤强余中云姜燕
Owner SANECHIPS TECH CO LTD
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