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Digital front end, base band main processing unit and channel function dividing method

A main processing unit and digital front-end technology, applied in the field of communication, can solve the problems of inability to realize dynamic exchange of internal data in the baseband pool and high power consumption of the baseband pool

Active Publication Date: 2015-08-19
CHINA MOBILE COMM GRP CO LTD
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Problems solved by technology

However, in these two types of solutions, the BBU is completed by a DSP or CPU to complete all the processes of the baseband processing, which cannot realize the dynamic exchange of internal data in the baseband pool, and the power consumption of the entire baseband pool is also high.

Method used

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  • Digital front end, base band main processing unit and channel function dividing method
  • Digital front end, base band main processing unit and channel function dividing method
  • Digital front end, base band main processing unit and channel function dividing method

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Embodiment Construction

[0082] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0083] The baseband pool (BBU) architecture described in the following embodiments of the present invention is as follows figure 1 As shown, it includes a back-end switching network and a front-end switching network, wherein the back-end switching network includes: a baseband main processing unit, each baseband main processing unit can be implemented by a host or a server; and multiple baseband main processing units The processing units can communicate with each other; the front-end switching network includes: a digital front-end, and multiple digital front-ends can communicate with each other; and a digital front-end can be connected to the baseband main processing unit corresponding to the digital front-end through a PCIe interface , the digital front ...

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Abstract

The embodiment of the invention provides a digital front end, a base band main processing unit and a channel function dividing method, wherein the digital front end comprises a control module used for obtaining control information sent by the base band main processing unit; a processing module used for carrying out processing on a cell-level processing flow of a channel according to the control information, generating processed data and sending the processed data to the base band main processing unit through an exchange network. The cell-level processing flow comprises a processing flow of signals independent of a cell processing load change. By adopting the scheme provided by the invention, dynamic exchange of internal data of a base band pool is realized, and the overall power consumption of the base band pool is reduced by means of a UE level processing load dynamic migration manner.

Description

technical field [0001] The invention relates to a wireless network in the communication field, in particular to a digital front end, a baseband main processing unit and a channel function division method. Background technique [0002] At present, the system architecture of the new green evolved wireless network C-RAN is mainly a distributed wireless network composed of remote radio frequency units (RRU) and antennas, with high-bandwidth, low-latency optical transmission network connecting remote radio frequency units , a centralized baseband processing pool composed of general-purpose processors and real-time virtualization technology. All baseband processing units and remote radio frequency units are connected through a high-bandwidth, low-latency optical transmission network. Baseband processing units (BBUs) are concentrated at one physical site to form a baseband pool. Multiple baseband processing units in the baseband pool are connected through high-bandwidth, low-late...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W52/02H04W72/08H04W72/12H04W72/54
CPCH04W52/0206H04W72/54H04W72/52Y02D30/70
Inventor 段然袁雁南孔令斌易芝玲
Owner CHINA MOBILE COMM GRP CO LTD
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