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Caching method and equipment of multi-process HARQ (Hybrid Automatic Repeat Request) data

A multi-process and data technology, applied in the field of multi-process HARQ data cache, can solve the problems of time waste, insufficient resource utilization, data loss, etc., and achieve the effect of improving utilization rate and selection efficiency, improving processing efficiency and throughput

Inactive Publication Date: 2012-05-30
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0031] Embodiments of the present invention provide a caching method and device for multi-process HARQ data, which solves the problems of insufficient resource utilization, data loss, or time waste in the caching process due to defects in the caching space configuration scheme in the prior art

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  • Caching method and equipment of multi-process HARQ (Hybrid Automatic Repeat Request) data
  • Caching method and equipment of multi-process HARQ (Hybrid Automatic Repeat Request) data
  • Caching method and equipment of multi-process HARQ (Hybrid Automatic Repeat Request) data

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Embodiment Construction

[0050] As described in the background, the two solutions in the prior art have their own defects. How to simply and efficiently allocate and manage the buffer space resources of each user process is very important for the design of the base station.

[0051] Based on this, the embodiment of the present invention proposes a method for efficiently and dynamically managing cache space resources of a base station, which does not increase the time delay of cache space resource allocation and search, but also improves the reuse rate of cache space resources to improve cell performance. The number of supported users reduces the complexity of the processing.

[0052] In an application scenario where a base station supports multiple cells, the HARQ buffer space resources of each cell can be managed uniformly, so that each cell occupies a common buffer space resource in a shared manner.

[0053] Such as figure 1 As shown, it is a schematic flow diagram of a multi-process HARQ data cach...

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Abstract

The embodiment of the invention discloses a caching method and equipment of multi-process HARQ (Hybrid Automatic Repeat Request) data. Through the technical scheme of the embodiment of the invention, the caching space resource of a base station is divided into a plurality of caching space blocks and the relative caching space blocks are managed through a caching space chain table; and data are stored in the relative caching space blocks according to the types of the received data so that the relative caching space blocks occupied by each process can be dynamically adjusted, the utilization rate and selection efficiency of the caching space resource are improved, and the processing efficiency and throughput of a system are improved.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a multi-process HARQ data caching method and device. Background technique [0002] Multi-process HARQ (Hybrid Automatic Repeat reQuest, hybrid automatic repeat request) technology is a technology used in data transmission in LTE (Long Time Evolved, long-term evolution) system, which is generally used in non-real-time data transmission services. It combines forward correction Error coding (Forward Error Correction, FEC) and automatic repeat request (Adaptive Repeat Request, ARQ) two technologies. [0003] The receiving end decodes the received data, and sends a feedback signal to the sending end according to the result of the cyclic redundancy check (Cyclic Redundancy Check, CRC), that is, ACK (Acknowledgment, positive confirmation) / NACK (Negative Acknowledgment, negative confirmation )Feedback. [0004] Common HARQ includes three types: [0005] The first type, the retr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F12/08H04L1/18G06F12/0893
Inventor 李燕倪立华
Owner DATANG MOBILE COMM EQUIP CO LTD
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