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A method and device for realizing cooperative processing of baseband signals between multiple BBU devices

A baseband signal and collaborative processing technology, applied in wireless communication, network traffic/resource management, electrical components, etc., can solve problems such as technical implementation details that need to be improved, and achieve the effect of avoiding a large number of signal exchanges and improving utilization

Active Publication Date: 2018-03-23
ALCATEL LUCENT SHANGHAI BELL CO LTD
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Problems solved by technology

However, this proposal to deal with resource sharing is still an idea, and the specific technical implementation details have yet to be perfected.

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  • A method and device for realizing cooperative processing of baseband signals between multiple BBU devices
  • A method and device for realizing cooperative processing of baseband signals between multiple BBU devices
  • A method and device for realizing cooperative processing of baseband signals between multiple BBU devices

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Embodiment Construction

[0033] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0034] Fig. 1(a) shows a system topology diagram for implementing coordinated processing of baseband signals among multiple BBU devices in a BBU pool system according to one aspect of the present invention. Among them, there are multiple groups of BBU devices with a certain mapping relationship in the BBU pool, and the BBUs are connected through, for example, a standard X2 interface; BBU devices with a mapping relationship, such as BBU1 and BBU2, send baseband signal streams to individual RRUs, such as BBU1's The RRU processes the baseband signal streams of the BBU1 and BBU2 by utilizing the following downlink wireless signal aggregation technology and / or uplink wireless signal allocation technology.

[0035] Fig. 1(b) shows an example diagram of a mapping relationship between BBU devices according to the present invention. The figure shows a group of BBU de...

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Abstract

The purpose of the present invention is to provide a method and a device for realizing cooperative processing of baseband signals among multiple BBU devices. The BBU pool system obtains the BBU device mapping relationship among multiple BBU devices in the BBU pool, wherein the multiple BBU devices include a first BBU device and a second BBU device; detect whether the baseband collaborative trigger condition is met; when the The baseband coordination trigger condition is to switch at least part of the communication traffic received by the first BBU device to the second BBU device corresponding to the first BBU device. Compared with the prior art, the present invention switches the communication flow between the BBUs according to the mapping relationship between the multiple BBU devices in the BBU pool and according to the detected baseband cooperative trigger condition, thereby conveniently realizing the multi-function switching. The signal cooperative processing method between BBUs improves the utilization rate of basic equipment (such as BBUs), and avoids a large number of signal exchanges between eNBs and possible channel congestion and other problems.

Description

technical field [0001] The present invention relates to the field of wireless communication, in particular to a technology for realizing coordinated processing of baseband signals between multiple BBU devices. Background technique [0002] In hotspots, a large amount of bursty data traffic is often generated. The baseband signal processing unit BBU (BasebandSignal Processing Unit) is usually designed according to the maximum performance of the system. However, after a large amount of bursty data traffic disappears, the redundant performance of the BBU will be wasted. [0003] In different areas or in different time periods, there are always busy or idle BBUs. However, under the current RAN (Radio Access Network) architecture, the logical or physical distances of the base stations are very far from each other, so it is difficult to perform traffic balancing among these BBUs. Traffic load balancing can only be implemented between adjacent base stations, for example, within ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W28/10H04W28/16
Inventor 王枫张晓文
Owner ALCATEL LUCENT SHANGHAI BELL CO LTD
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