A System for Realizing Indoor Base Station Synchronization
An indoor base station and base station technology, applied in the direction of synchronization devices, electrical components, wireless communications, etc., can solve the problems of low data transmission efficiency, low site power, and satellite signals cannot be used, and achieve the effect of improving network data transmission efficiency
Active Publication Date: 2016-04-06
THE RES INST OF TELECOMM TRANSMISSION MIIT +1
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Problems solved by technology
When deploying base stations indoors, due to the low power of the site and the isolation of walls, in many cases it is a single-site deployment, and the data transmission efficiency is low
At the same time, because the deployment of indoor base stations is limited by the environment, traditional satellite signals (such as GPS) are often not applicable
Even in the case of multi-site deployment, network synchronization (such as IEEE1588) is limited by home and indoor fixed network conditions, and it is often difficult to meet the synchronization requirements between base stations
Method used
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Embodiment Construction
[0021] The present invention will be further described below in conjunction with the embodiments and accompanying drawings, but the scope of application of the present invention is not limited.
[0022] Embodiment 1 of the present invention such as figure 1 As shown, when the system does not support UE-assisted synchronization, the system workflow is as follows:
[0023] Step 1: Determine whether it is in single-station mode when starting up. If the home base station finds a working frequency point without interference through frequency monitoring, it can be considered that it is in a single-station situation. At this time, perform step 2, if not, perform step 4;
[0024] Step 2: Enter single-station mode, which can reduce synchronization requirements or not perform synchronization;
[0025] Step 3: In single-station mode, the base station performs interference detection regularly. If it detects that the signal of other base stations is higher than a certain level, it needs t...
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The invention relates to a system for realizing indoor base station synchronization. A miniaturized base station is arranged indoors, wherein the working mode of the base station comprises single-station mode, multiple-station mode and UE (user experience) assisted synchronization mode. Whether the base station is in the single-station mode is judged when being started up, if so, the single-station mode is adopted; if not, the multiple-station mode is adopted. In the single-station mode, the base station is subjected to interference detection at regular intervals; if the situation that signals of other base stations are higher than a certain level is detected, the base station is subjected to idle port synchronization with the other base stations, then the multiple-station mode is adopted. In the multiple-station mode, if multiple-base stations can be synchronized effectively, the base stations work in the multiple-station mode continuously; or the base stations turn back to the single-station mode if the synchronization cannot be carried out effectively. According to the system, the indoor signal coverage situation is taken into account sufficiently; indoor base station synchronization is realized effectively; and the network data transmission efficiency is improved.
Description
technical field [0001] The invention relates to the technical field of wireless communication, in particular to a system for realizing synchronization of indoor base stations. Background technique [0002] With the rapid growth of wireless Internet and mobile data services, deploying miniaturized base stations indoors to improve coverage and increase data transmission rates has become an important direction for the future development of mobile communications. When deploying base stations indoors, due to the low power of the sites and the isolation of walls, in many cases it is a single-site deployment, and the data transmission efficiency is low. At the same time, because the deployment of indoor base stations is limited by the environment, traditional satellite signals (such as GPS) are often not applicable. Even in the case of multi-site deployment, network synchronization (such as IEEE1588) is limited by home and indoor fixed network conditions, and it is often difficult...
Claims
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IPC IPC(8): H04W56/00
Inventor 刘晓峰林辉万屹
Owner THE RES INST OF TELECOMM TRANSMISSION MIIT