CN218633945U

CN218633945U - LTE repeater

Info

Publication number: CN218633945U
Application number: CN202223241861.8U
Authority: CN
Inventors: 张铵芝
Original assignee: Shenzhen Taihe East Technology Co ltd
Current assignee: Shenzhen Taihe East Technology Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-03-14
Anticipated expiration: 2032-12-05

Abstract

The utility model discloses an LTE repeater, which comprises an access unit (DAU), an Extension Unit (EU) and a coverage unit (RU); the access unit receives the radio frequency signal of the 4G/5G base station in a wireless mode or directly couples the radio frequency signal of the 4G/5G base station in a wired mode; the extension unit is connected with a plurality of covering units to transmit and amplify the signals and provide covering; the extension unit and the covering unit, and the covering unit are connected through radio frequency cluster cables, and the covering unit is intensively powered by the extension unit. The beneficial effects of the utility model are that release stock 5G macro base station capacity resource, quick, low-cost promotion 5G network cover degree of depth, width. The method solves the 5G complaints, relieves the ToB project eMBB and mMTC coverage requirements of 5G high-reverse hanging, quick response capacity and insensitive time delay.

Description

LTE repeater

Technical Field

The utility model relates to a radio frequency type microchamber branch system field, in particular to LTE repeater.

Background

The LTE repeater is mainly used for outdoor macro cellular base stations, such as parking/machine room buildings, factory buildings or basements, common hotels/hotels, office/office buildings, common floors of markets, underground garages, administrative buildings of colleges/hospitals, scientific research buildings and the like, and indoor scenes of low-density crowd distribution, wherein the high-frequency signals are poor in penetration or transmission routes cannot reach the blind areas and weak areas covered by 5G or 4G networks.

The LTE repeater disclosed by the application has the advantages that the deep coverage capability of wireless communication signals such as FDD-LTE and NR is improved, the capacity resources of 5G macro base stations are released, and the 5G network coverage depth and the breadth are quickly and inexpensively improved. The method solves the 5G complaints, relieves the ToB project eMBB and mMTC coverage requirements of 5G high-reverse hanging, quick response capacity and insensitive time delay.

SUMMERY OF THE UTILITY MODEL

The utility model provides a LTE repeater, technical effect that can propose in the above-mentioned background art.

The utility model provides a LTE repeater, which comprises an access unit (DAU), an Extended Unit (EU) and a covering unit (RU);

the access unit receives the radio frequency signal of the 4G/5G base station in a wireless mode or directly couples the radio frequency signal of the 4G/5G base station in a wired mode;

the extension unit is connected with a plurality of covering units to transmit and amplify the signals and provide covering;

the extension unit and the covering unit, and the covering unit are connected through radio frequency cluster cables, and the covering unit is powered by the extension unit in a centralized manner;

one access unit and the extension unit support one-point-to-multipoint star networking, and one access unit is in star connection with not less than 4 extension units;

the extension units support chain type networking, and one path of the extension units at least supports 2-level cascade;

one-point-to-multipoint star networking is supported between the extension units and the coverage units, and 1 extension unit is at least connected with 2 coverage unit access links;

the covering units support chain type networking through a system self-carrying double-core coaxial bunched cable and a coupler or a distributor, and one path of covering units at least support 4-level covering units.

Preferably, the coupler is a double-way coupler, and the distributor is a double-way two-centimeter distributor.

Preferably, the access unit is connected with a power supply and a ground row.

Preferably, the access unit is connected with a directional dual-polarized antenna through a two-centimeter distributor.

The utility model has the advantages that:

1. the LTE repeater improves the deep coverage capability of wireless communication signals such as FDD-LTE and NR, releases the capacity resources of 5G macro base stations, and quickly improves the coverage depth and the coverage of the 5G network with low cost.

2. The LTE repeater can meet the requirements of 5G complaints, 5G high reverse hanging, quick response capacity and ToB project eMBB and mMTC coverage which are insensitive to delay.

Drawings

Fig. 1 is a schematic connection diagram of an LTE repeater in a network according to the present invention;

fig. 2 is the utility model provides a pair of wireless coupling networking topology schematic diagram of LTE repeater.

Detailed Description

In the following, an embodiment of the present invention will be described in detail with reference to the drawings, but it should be understood that the scope of the present invention is not limited by the embodiment.

The embodiment of the utility model provides a LTE repeater, including access unit (DAU), extension Unit (EU) and cover unit (RU);

one access unit is in star connection with at least 4 extension units;

In this embodiment, the coupler is a two-way coupler, and the distributor is a two-way two-centimeter distributor.

In this embodiment, the access unit is further connected with a commercial power and ground row.

In this embodiment, the access unit is connected to a directional dual-polarized antenna through a two-centimeter divider.

The radio frequency access unit (DAU) couples downlink radio frequency signals of LTE and NR information sources into the micro-chamber subsystem, converts the downlink radio frequency signals into digital signals, performs framing, photoelectrically converts the digital signals into optical signals, and then extends the optical signals to the extension unit through an optical fiber. Meanwhile, the access unit converts the optical signal uploaded by the expansion unit into a digital signal, then deframes the digital signal, and then converts the digital signal into an uplink radio frequency signal and transmits the uplink radio frequency signal back to the information source base station.

The single mode fiber drawing distance between the access unit and the farthest extension unit is not less than 10 kilometers.

The microchamber subsystem supports the replacement of a radio frequency access unit into a 5G extended station host unit, and simultaneously provides an extension unit and a coverage unit for upgrading software, so that the system is converted into a baseband microchamber subsystem, the whole system can be directly accessed into a 5GC through PTN/SPN transmission equipment, and the functions of modulation and demodulation of baseband signals, wireless resource management, mobility management, physical layer processing, equipment state monitoring and the like are independently completed.

The extension unit forwards the digital signals sent by the access unit to a plurality of covering units; meanwhile, radio frequency signals uploaded by the plurality of covering units are converted into digital signals, and then the digital signals are combined and transmitted to the access unit. The extension unit needs to support chain type cascade networking.

The extension unit needs to support remote power supply to the coverage unit through the radio frequency bundled cable.

The extension unit needs to support the function of remote monitoring and management of the subordinate coverage units.

The extension unit can support a baseband type micro-chamber subsystem through software upgrading, and is matched with a 5G baseband host unit to complete the functions of shunting and merging fronthaul data, forwarding data and the like.

The length of the 5D double-core coaxial cable between the extension unit and the farthest covering unit is not less than 80 meters.

The covering unit amplifies the radio frequency signal sent by the extension unit to realize the wireless covering of FDD-LTE and TDD-NR; and meanwhile, the received uplink radio frequency signal is transmitted to the expansion unit through the self-contained radio frequency cable.

The covering unit is provided with an antenna integrated design.

The covering unit can support the base band type micro-room subsystem through software upgrading and mainly completes radio frequency processing and wireless signal receiving and transmitting.

The technical effects are as follows: the LTE repeater improves the deep coverage capability of wireless communication signals such as FDD-LTE and NR, releases the capacity resources of 5G macro base stations, and quickly improves the coverage depth and the coverage of the 5G network with low cost. The LTE repeater can meet the requirements of 5G complaints, 5G high-reverse hanging, quick response capacity and ToB project eMBB and mMTC coverage insensitive to delay.

The above disclosure is only for the specific embodiments of the present invention, however, the embodiments of the present invention are not limited thereto, and any changes that can be considered by those skilled in the art should fall into the protection scope of the present invention.

Claims

1. An LTE repeater is characterized in that: comprises an access unit (DAU), an Extension Unit (EU) and a coverage unit (RU);

the covering units support chain type networking through a system self-contained double-core coaxial bunched cable and a coupler or a distributor, and one path of the covering units at least supports 4-level covering units.

2. The LTE repeater of claim 1, wherein the coupler is a dual-path coupler and the divider is a dual-path two centimeter divider.

3. The LTE repeater of claim 1, further comprising the access unit connects to a utility power and ground.

4. The LTE repeater of claim 1, further comprising a directional dual polarized antenna connected to the access unit through a two-centimeter divider.