Baseband resource hot backup system and baseband resource hot backup method
A technology of hot backup and backup relationship, applied in the field of communication, can solve the problems of interrupted business, high system disaster tolerance requirements, and increased system cost, so as to achieve the effect of ensuring that there will be no interruption.
Active Publication Date: 2013-04-03
ZTE CORP
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Problems solved by technology
However, in this method, both the baseband processing unit and the radio remote unit adopt dual configurations, which increases the system cost. Moreover, when the main baseband processing unit fails, it needs to switch to the backup baseband processing unit for work. It will also interrupt the ongoing business
[0006] In some special applications, the wireless communication system (for example, GSM-R (GSM for Railways, railway digital mobile communication system) system) has high requirements for disaster tolerance of the system, and the current baseband processing unit fails The length of outages that resulted in business interruptions exceeded the acceptable range
It can be seen that there is no reliable technical solution in the prior art, so that when the baseband processing unit fails or the link failure occurs between the baseband processing unit and the remote radio unit, the system can ensure normal service in time transmission
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[0032] Hereinafter, the present invention will be described in detail with reference to the drawings and examples. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.
[0033] image 3It is a structural block diagram of a baseband resource hot backup system according to an embodiment of the present invention. The system mainly includes: a main control module 10, a clock module 20, a plurality of baseband processing units (30, 40) and a remote radio unit 50. Among them, the main control module 10 is used to determine the main baseband processing unit 30 and the backup baseband processing unit 40 among the multiple baseband processing units according to the configuration parameter information from the upper network element, and the main baseband processing unit 30 and the backup baseband processing unit 40. The backup relationship between the units 40; the standby ba...
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The invention discloses a baseband resource hot backup system and a baseband resource hot backup method, wherein the system comprises a main control module, a plurality of baseband processing units and a remote radio frequency unit. The main control module is used for determining a main baseband processing unit and a backup baseband processing unit in the plurality of baseband processing units according to configuration parameter information from a superior network element and backup relation between the main baseband processing unit and the backup baseband processing unit; the backup baseband processing unit is used for carrying out the processing same as that of the main baseband processing unit during data exchange of the main baseband processing unit, the main control unit and the remote radio frequency unit, and performing hot backup on the main baseband processing unit. By the system and the method, the service can be maintained without interruption under the condition that the baseband processing units have a fault or a link between the baseband processing units and the remote radio frequency unit has a fault.
Description
technical field [0001] The present invention relates to the communication field, in particular to a baseband resource hot backup system and method. Background technique [0002] More and more distributed base stations are used in wireless communication systems. In distributed base stations, the baseband processing unit is separated from the remote radio unit. The baseband processing unit is responsible for digital signal processing and performs data and signaling with the remote radio unit. The remote radio unit is responsible for the conversion of digital signals and radio frequency signals, so as to complete the air interface communication. Usually, one or more remote radio units use different transmission frequencies to cover a certain geographical area. When a baseband processing unit fails or a transmission failure occurs between the baseband processing unit and the remote radio unit, the remote radio unit cannot be effective. Coverage of the geographical area is not c...
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Inventor 任长青
Owner ZTE CORP