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Data interactive method and device

A data interaction and counter technology, applied in the field of communication, can solve problems such as low efficiency, poor fairness and scalability, and achieve the effect of taking into account fairness

Inactive Publication Date: 2010-06-16
ZTE CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] The present invention is proposed in view of the problems that the fixed priority arbitration principle in the related art is not fair and scalable, and the circular priority arbitration principle is not efficient. Therefore, the main purpose of the present invention is to provide a data interaction method and device to solve the above problems

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Embodiment Construction

[0036] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0037] method embodiment

[0038] According to an embodiment of the present invention, a data interaction method is provided, which utilizes a digital logic structure to implement a circular priority arbitration mechanism and perform data interaction. This method utilizes the good scalability of the cyclic priority arbitration principle and overcomes the inefficiency of its software implementation, and this method combines the fast characteristics of the fixed priority and the fair scalability of the cyclic priority, so that the cyclic priority used The time does not increase with the number of sources.

[0039] Figure 4 is a flowchart of a data interaction method according to an embodiment...

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Abstract

The invention discloses a data interactive method and a data interactive device. The method comprises the following steps of: using a source serial number, to which the top priority corresponds, at a plurality of source ends during once operation and performing renewed priority addressing on all the source serial numbers of the plurality of source ends during the operation; according to the priority of the renewed addressed source serial number, addressing a register which is used for receiving a request signal at each source end; and realizing data interaction between the source end corresponding to the first addressing result in the register acquired by addressing and a destination end. The data interactive method and the data interactive device realize the rapid characteristic of the fixed priorities and the justification of the circulating priorities, and also realize that the arbitration of the circulating priorities is finished in the fixed delay time and the time is not prolonged along with the increased number of the source end.

Description

technical field [0001] The present invention relates to the communication field, in particular, to a data interaction method and device. Background technique [0002] In digital circuit design, there are three kinds of correspondence between source and destination, that is, one-to-one correspondence between one source and one destination, one-to-many correspondence between one source and multiple destinations, and multiple The many-to-one relationship in which a source corresponds to a destination, among which, the many-to-one relationship in which multiple sources correspond to a destination is the most complicated. [0003] figure 1 is a schematic diagram of a typical application scenario of an arbitration mechanism according to related technologies, such as figure 1 As shown, multiple origins (i.e., multiple sources of data, figure 1 Only three source data of source 0 data, source 1 data and source 2 data are taken as examples) are connected to a destination end (ie, d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L29/08H04L12/851
Inventor 刘伟达邱致刚范丽珍
Owner ZTE CORP
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