CN201107852Y - Baseband Synchronous TD-SCDMA Mobile Communication Repeater - Google Patents

Abstract

The utility model relates to a baseband synchronous TD-SCDMA mobile communication repeater, which comprises a repeater signal receiving device placed far away from a donor base station, a repeater main module connected with the repeater signal receiving device and a The transmitting antenna connected to the main module of the repeater, the donor base station and the repeater are connected through a wired or wireless link, the frequency of the radio frequency signal is: 2010-2025MHz, the main module of the repeater includes a power supply, a monitoring board, Baseband synchronization board, radio frequency amplifier and filter, the radio frequency signal sent by the donor base station with a frequency of 2010-2025MHz is input to the filter through the signal receiving device of the repeater station, and the signal is input to the radio frequency amplifier after filtering, and the baseband synchronization board is directly placed The time sequence of signal amplification of the station is controlled, and after amplification, it is input to the transmitting antenna through a filter; at the same time, the transmitting antenna of the repeater receives the uplink signal sent by the mobile phone in the coverage area, and the frequency of the radio frequency signal is 2010-2025MHz. Finally, the signal is input to the RF amplifier, and the baseband synchronization board controls the signal amplification sequence of the repeater station, and after amplification, it is input to the signal receiving device through a filter, and then input to the antenna end of the TD-SCDMA base station through a wired or wireless link. It is beneficial for users to realize rapid network construction and reduce network investment costs, and make full use of the capacity of each base station to obtain wider coverage.

Description

Baseband Synchronous TD-SCDMA Mobile Communication Repeater

technical field

The utility model relates to a baseband synchronous TD-SCDMA mobile communication repeater.

Background technique

Base station equipment is the main equipment for TD-SCDMA wireless access network construction. By installing base stations, users in the coverage area can be provided with coverage and capacity at the same time. For sparsely populated villages, highways, railways and other areas, the coverage of the base station is affected by the terrain and cannot be expanded, resulting in a low capacity utilization rate; only by using repeater technology to overcome the influence of geographical environmental factors can the capacity utilization rate of the base station be improved , to reduce investment costs.

Contents of the invention

The purpose of this utility model is to provide a baseband synchronous TD-SCDMA mobile communication repeater, which is conducive to users to realize rapid network construction and reduce network investment costs, and to make full use of the capacity of each base station to obtain a wider of coverage.

The utility model is constituted like this, and it is characterized in that: it comprises the repeater signal receiving device placed far away from the donor base station, the repeater main module connected with the repeater signal receiving device and the main module of the repeater The connected transmitting antenna, the donor base station and the repeater are connected through a wired or wireless link, the frequency of the radio frequency signal is: 2010-2025MHz, and the main module of the repeater includes a power supply, a monitoring board, a baseband synchronization board, and a radio frequency amplifier And the filter, the radio frequency signal sent by the donor base station with a frequency of 2010-2025MHz is input to the filter through the signal receiving device of the repeater, and the signal is input to the radio frequency amplifier after filtering, and the baseband synchronization board performs the signal amplification sequence of the repeater Control, amplified and input to the transmitting antenna through the filter; at the same time, the transmitting antenna of the repeater receives the uplink signal sent by the mobile phone in the coverage area, the frequency of the radio frequency signal is 2010-2025MHz, after passing through the filter, the signal is input to the radio frequency The amplifier, the baseband synchronization board controls the signal amplification timing of the repeater station, and after amplification, it is input to the signal receiving device through a filter, and input to the antenna end of the TD-SCDMA base station through a wired or wireless link.

When working, on the one hand, the utility model can transmit and receive mobile communication signals with the antenna of the base station transceiver, and on the other hand, can transmit and receive mobile communication signals through the transmitting antenna and the mobile phone, thereby realizing a wider of coverage.

Compared with the existing base station transmitting device, the remarkable advantages of the present invention are:

1. It is beneficial to give full play to the capacity of each base station and realize the coverage of communication signals in remote small areas, thereby reducing the investment of operators.

2. The investment in equipment is small, and the effect is quick, which provides favorable conditions for new operators to quickly establish TD-SCDMA networks.

Below in conjunction with accompanying drawing and embodiment the utility model is described in detail.

Description of drawings

Fig. 1 is a schematic diagram of the network structure of a group of networks in the embodiment of the utility model

Fig. 2 is a schematic diagram of the network structure of the second group network of the utility model embodiment

Figure 3 is a schematic diagram of the network structure of the three-group network in the embodiment of the utility model

Fig. 4 is a schematic diagram of the network structure of four groups of the utility model embodiment

Fig. 5 is a functional block diagram of the first embodiment of the utility model

Fig. 6 is the functional block diagram of the second embodiment of the utility model

Fig. 7 is the functional block diagram of the third embodiment of the utility model

Fig. 8 is a functional block diagram of the fourth embodiment of the utility model

Fig. 9 is a network structure diagram of a comprehensive implementation case.

Detailed ways

The embodiment of the utility model includes a repeater signal receiving device placed away from the donor base station, a repeater main module connected to the repeater signal receiving device and a transmitting antenna connected to the main module of the repeater. The base station and the repeater are connected through a wired or wireless link. The frequency of the radio frequency signal is: 2010-2025MHz. The main module of the repeater includes a power supply, a monitoring board, a baseband synchronization board, a radio frequency amplifier and a filter. The donor base station sends The RF signal with a frequency of 2010-2025MHz is input to the filter through the signal receiving device of the repeater station, and the signal is input to the RF amplifier after filtering. The baseband synchronization board controls the signal amplification sequence of the repeater station, and passes through the filter after amplification. Input to the transmitting antenna; at the same time, the transmitting antenna of the repeater receives the uplink signal sent by the mobile phone in the coverage area. The frequency of the RF signal is 2010-2025MHz. After passing through the filter, the signal is input to the RF amplifier. The baseband synchronization board pair The timing of the signal amplification of the repeater is controlled, and after amplification, it is input to the signal receiving device through a filter, and then input to the antenna end of the TD-SCDMA base station through a wired or wireless link.

As shown in Figure 1 and Figure 5, the structural feature of Embodiment 1 of the present invention is that the repeater is an optical fiber repeater, and the signal receiving device of the optical fiber repeater is a photoelectric converter.

As shown in Fig. 2 and Fig. 6, the structural feature of Embodiment 1 of the present invention is that the repeater is a trunk repeater, and the signal receiving device of the trunk amplifier is a radio frequency cable.

As shown in Fig. 3 and Fig. 7, the structural feature of Embodiment 1 of the present invention is that the repeater is a direct receiving repeater in the air, and the signal receiving device of the direct receiving repeater in the air is a receiving antenna.

As shown in Fig. 4 and Fig. 8, the structural feature of the first embodiment of the utility model is that: the repeater is an air frequency shift receiving repeater, and the signal receiving device of the air frequency shift receiving repeater is a receiving antenna and inverter. The transmission power of the repeater main module is 0.1-10 watts.

Claims (6)

1, the TD-SCDMA Mobile communication direct base station that a kind of base band is synchronous, it is characterized in that: it comprises the repeater signal receiving system that is placed on away from donor base station, repeater primary module that is connected with the repeater signal receiving system and the transmitting antenna that is connected with the primary module of repeater, donor base station is connected by wired or wireless link with the repeater, the frequency of radiofrequency signal is: 2010-2025MHz, described repeater primary module includes power supply, monitor board, the base band synchronous plate, radio frequency amplifier and filter, the frequency that donor base station sends is that the radiofrequency signal of 2010-2025MHz is input to filter through the repeater signal receiving system, after filtering, signal is input to radio frequency amplifier, the base band synchronous plate is controlled the signal amplification sequential of repeater, amplifies after wave filter is input to transmitting antenna; The transmitting antenna of repeater receives the upward signal that is sent by mobile phone in the area of coverage simultaneously, radio frequency signal frequency is 2010-2025MHz, through filter, after filtering, signal is input to radio frequency amplifier, the base band synchronous plate is controlled the signal amplification sequential of repeater, be input to signal receiving device through filter again after the amplification, be input to TD-SCDMA antenna for base station end by wired or wireless link.

2, the synchronous TD-SCDMA Mobile communication direct base station of base band according to claim 1, described repeater is an optical fiber repeater, the signal receiving device of described optical fiber repeater is an optical-electrical converter.

3, according to the synchronous TD-SCDMA Mobile communication direct base station of the described base band of claim 1, described repeater is the main line repeater, and the signal receiving device of described trunk amplifier is a radio frequency cable.

4, the synchronous TD-SCDMA Mobile communication direct base station of base band according to claim 1, described repeater are the aerial repeater that directly receives, and the aerial signal receiving device that directly receives the repeater is a reception antenna.

5, the synchronous TD-SCDMA Mobile communication direct base station of base band according to claim 1, described repeater are that aerial shift frequency receives the repeater, and the signal receiving device that aerial shift frequency receives the repeater is reception antenna and frequency converter.

6, according to claim 1, the synchronous TD-SCDMA Mobile communication direct base station of 2 described base band, it is characterized in that: the transmitting power of described repeater primary module is 0.1-10 watt.

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