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A parallel computing method and system for interleaving addresses

A parallel computing and address technology, applied in transmission systems, digital transmission systems, coding, etc., can solve problems such as complex implementation methods and large storage resources, and achieve the effects of reducing implementation difficulty, consumption, and implementation costs

Active Publication Date: 2016-01-20
如东县升泰新农村开发建设有限公司
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Problems solved by technology

[0003] Since the WiMAX system supports up to 17 kinds of packet lengths, and the maximum packet length is 2400 bit pairs (bitpair), if storing all the interleaving addresses, a storage space of 100Kbit is required, so the storage resources are relatively large, and it is necessary to search for different packets according to the packet length. The table, the implementation method is more complicated

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  • A parallel computing method and system for interleaving addresses
  • A parallel computing method and system for interleaving addresses
  • A parallel computing method and system for interleaving addresses

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Embodiment Construction

[0037] The basic idea of ​​the present invention is: configure and store the interleaving address compression table in advance; Receive the data to be encoded, and according to the length of the data packet of the data to be encoded, read the interleaving address compression table to obtain the P 0 value and interleaving to calculate the intermediate value; judge the value of the encoding parallelism K, and according to the encoding parallelism, the length of the data packet to be encoded, P 0 Value and interleave calculation intermediate value to generate interleave address and read address, read the data to be encoded according to the read address, and complete the interleave operation.

[0038] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0039] The invention provides a parallel computing system for interleaving addresses, figure 1 It is a schematic structural diagram of a parallel c...

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Abstract

The invention provides a parallel computing method and a system of an interleaving address. The method comprises the following steps: pre-configuring and storing an interleaving address compression table; receiving the data to be coded, and reading the interleaving address compression table based on the length of a data packet of the data to be coded to acquire the PO value and the intermediate value of interleaving calculation; determining the value of the code parallelism degree K, generating an interleaving address and a read address based on the code parallelism degree, the length of the data packet of the data to be coded, the PO value, and the intermediate value of the interleaving calculation, reading the data to be coded based on the read address, and completing the interleaving operation. According to the technical solution of the invention, the parallel calculation of the interleaving address in an encoder of the WiMAX system can be realized.

Description

technical field [0001] The invention relates to a Worldwide Interoperability for Microwave Access (WiMAX, Worldwide Interoperability for Microwave Access) system in the communication field, in particular to a parallel calculation method and system for interleaving addresses in an encoder. Background technique [0002] In order to resist burst errors in the transmission process, interleaving technology is used in the coder in the WiMAX system. Because the calculation of the interleaving address is relatively complicated, in order to achieve a higher encoding throughput rate, the encoding is completed in a parallel manner during the encoding process. The structure of the encoder requires that the internal interleaver can complete the parallel interleaving calculation consistent with the encoding parallelism in real time, or store the interleaving address of the code block in advance, and read the stored interleaving address during encoding, so as to obtain the interleaving add...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00
CPCH03M13/276H03M13/6544H03M13/6561
Inventor 张彩虹陈月强马龙龙
Owner 如东县升泰新农村开发建设有限公司
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