Method and system for realizing resource distribution between baseband processing unit and radio frequency unit

A baseband processing and radio frequency unit technology, which is applied in the field of resource allocation between the baseband processing unit and the radio frequency unit, can solve the problem of large hardware resource overhead and achieve the effect of reducing the scale

Inactive Publication Date: 2010-04-14
ZTE CORP
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Problems solved by technology

[0007] The technical problem to be solved by the present invention is to provide a method and system for realizing resource allocation between the baseband processing unit and the radio frequency unit, so as to solve the problem of excessive hardware resource overhead when using the parallel switching method

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  • Method and system for realizing resource distribution between baseband processing unit and radio frequency unit
  • Method and system for realizing resource distribution between baseband processing unit and radio frequency unit

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Embodiment Construction

[0051] The technical solution of the present invention will be described in more detail below with reference to the drawings and embodiments.

[0052] The basic concept of the present invention is: after the BBU receives the baseband data input in parallel through each channel on it, convert the parallel data into serial data, and then exchange the serial data to each corresponding channel on the RRU side according to the exchange configuration table After the exchanged serial data is encapsulated according to the CPRI protocol, it is sent to the RRU side; after the RRU side decapsulates the received serial data, it performs deserialization processing, and the deserialized channels The data is output through the corresponding channel.

[0053] Wherein, converting parallel data into serial data refers to performing time slot multiplexing on the parallel data, using time slots to carry data on each channel, and each time slot is only used to carry data of one channel.

[0054] ...

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Abstract

The invention discloses a method and a system for realizing resource distribution between a baseband processing unit and a radio frequency unit. The system comprises the baseband processing unit (BBU) and the radio frequency unit (RRU). The method comprises the following steps: after receiving baseband data input in parallel by each channel of the BBU, converting the parallel data into serial data, and then exchanging the serial data to each corresponding channel at the side of the RRU according to an exchange configuration table, according to a common public radio interface (CPRI) protocol, packaging the obtained serial data after exchanging, and then sending the serial data to the RRU; after depackaging the received serial data by the RRU, carrying out a deserialized process, and outputting the deserialized data of each channel through the corresponding channel. Compared with the prior art, the invention uses a complete serial exchange method so as to realize the resource distribution and the data transmission between the BBU and the RRU and greatly reduce the scale of the exchange unit.

Description

technical field [0001] The invention relates to digital mobile communication technology, in particular to a method and system for realizing resource allocation between a baseband processing unit and a radio frequency unit. Background technique [0002] With the rapid development of digital mobile communications, higher and higher requirements are placed on the performance and cost of base stations. [0003] At present, the method of parallel switching is mainly used to realize resource allocation between the base band processing unit (Base band Unit, BBU) and the radio frequency unit (Radio Remote Unit, RRU), that is, after the base band data of each sector on the BBU side is modulated, It needs to be routed by a hardware switch matrix and then sent to the corresponding RRU side for processing. In the parallel exchange mode, the data of each sector is transmitted in parallel, and they are independent of each other and not related to each other. In this way, a switching uni...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04H04W88/08H04L29/06
CPCH04W88/085H04W72/04
Inventor 王帆
Owner ZTE CORP
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