Simulative Ir interface protocol conformance testing device and interoperability testing method

A simulation test and interface technology, applied in the direction of wireless communication, electrical components, etc., can solve the problems of incompleteness and insufficiency, and achieve the effect of interconnection test

Inactive Publication Date: 2012-09-12
BEIJING UNIV OF POSTS & TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, it is insufficient and incomplete to verify the interconnection and interoperability of BBU and RRU equipment in chain and ring networking through different manufacturers' BBU and RRU equipment interconnection and interoperability tests.

Method used

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  • Simulative Ir interface protocol conformance testing device and interoperability testing method
  • Simulative Ir interface protocol conformance testing device and interoperability testing method
  • Simulative Ir interface protocol conformance testing device and interoperability testing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0123] Example 1: CM data test.

[0124] Figure 8 Shown is the CM data testing process provided in Example 1, including the following steps:

[0125] Step 801: After the BBU simulation carrier board receives the CM message, it judges the source of the data. If it is a downlink CM message, go to step 802, otherwise go to step 806 for an uplink CM message.

[0126] Downlink CM data comes from the Ethernet switch carrier board for link status control and management; uplink CM data comes from the network connection with the RRU analog carrier board, and is used to report link status information to the CPU carrier board.

[0127] Step 802: The BBU simulation carrier board judges the purpose of the received CM message, and determines that the purpose is the RRU simulation carrier board 1, and then sends the CM message to the RRU simulation carrier board 1 in the form of an Ethernet frame through the Ethernet connection.

[0128] Step 803: The RRU simulation carrier board 1 acquires CM data b...

Embodiment 2

[0132] Embodiment 2: IQ data downlink test

[0133] When using the device to perform a downlink test of IQ data, two RRU analog carrier boards can separately monitor one channel of IQ data in the BBU analog carrier board, such as Picture 9 As shown, the IQ data downlink test process provided in the second embodiment of the present invention is as follows:

[0134] Step 901: Under normal startup conditions of the device, the CPU carrier board stores the test IQ data in the BBU simulation carrier board, the RRU simulation carrier board 1, and the RRU simulation carrier board 2 through the Ethernet switch carrier board.

[0135] Step 902: The BBU analog carrier board divides the IQ data into two channels through the IQ data generation and comparison module, and sends the two channels of IQ data to the first Ir interface deframing and framing main module and the second Ir interface deframing and framing module. The main module.

[0136] Step 903: IQ data is packaged through the first Ir ...

Embodiment 3

[0145] Embodiment 3: IQ data uplink test

[0146] When using the device for uplink test of IQ data, the BBU analog carrier board can monitor the IQ data in the RRU analog carrier 1 and RRU analog carrier 2, such as Picture 10 As shown, the IQ data uplink test process provided in the third embodiment is as follows:

[0147] Step 1001: Under normal startup conditions of the device, the CPU carrier board stores the test IQ data in the BBU simulation carrier board and the RRU simulation carrier board through the Ethernet switch carrier board;

[0148] Step 1002: The RRU analog carrier board 2 sends the stored IQ data to the Ir interface deframing and framing auxiliary module;

[0149] Step 1003: The Ir interface deframing and framing auxiliary module of the RRU analog carrier board 2 packs the IQ data and sends it to the Ir interface deframing and framing main module of the RRU analog carrier board 1 through the Ir interface;

[0150] Step 1004: The RRU simulates the Ir interface deframing...

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Abstract

The invention provides a simulative Ir interface protocol conformance testing device. The testing device comprises simulation carrier boards operating under a BBU (bandwidth based unit) mode and a RRU (remote radio unit) mode, and can conveniently establish a variety of topological connections between RRU devices and BBU devices of different manufacturers, such as chain connection and ring connection, so that the interoperability testing of the Ir interface protocol between the devices of different manufacturers can be carried out. The invention also provides an Ir interface interoperability testing method, which includes control and management (CM) data testing, uplink and downlink data testing and fault location testing. The scheme of the invention can conveniently establish a variety of topological connections between RRU devices and BBU devices of different manufacturers, such as chain connection and ring connection, so that the interoperability testing of the Ir interface protocol between the devices of different manufacturers can be carried out.

Description

Technical field [0001] The invention relates to the field of mobile communication technology, in particular to distributed base stations, and particularly to an Ir interface protocol conformance simulation test device and an interconnection and intercommunication test method. Background technique [0002] With the continuous development of communication technology, base station products are becoming more and more abundant. From the perspective of overall development, distributed base stations undoubtedly represent the basic trend of "next generation base stations". The core concept of the distributed base station structure is to separate the Bandwidth Based Unit (BBU) and the Remote Radio Unit (RRU) of the traditional macro base station. The interface between the two is called the Ir interface (Interface between the RRU and the BBU). Ir interface supports single point connection, star connection, chain connection and ring connection and other network topologies, such as figure 1...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/06
Inventor 张洪光袁东明刘元安吴帆唐碧华刘芳姜冰莹张国强王艳秋
Owner BEIJING UNIV OF POSTS & TELECOMM
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