CN220067527U

CN220067527U - Base station and monitoring device

Info

Publication number: CN220067527U
Application number: CN202321091545.9U
Authority: CN
Inventors: 丁哲壮; 马英兴
Original assignee: Taicang T&W Electronics Co Ltd
Current assignee: Taicang T&W Electronics Co Ltd
Priority date: 2023-05-09
Filing date: 2023-05-09
Publication date: 2023-11-21
Anticipated expiration: 2033-05-09

Abstract

The utility model relates to the field of base stations and monitoring, in particular to a base station and a monitoring device; the base station includes: a housing; a 4G small base station unit mounted within the housing; and a 5G small cell unit electrically connected to the 4G small cell unit; the base station is a PICO-level small base station for data transmission through the Ethernet; the monitoring device is small and exquisite, has similar volume with the traditional video monitoring device, and is simple to deploy; in addition, although the traditional base station can acquire the telephone number information, the traditional base station cannot acquire the related video information, in the traditional monitoring device, only video monitoring is usually performed, and the traditional base station cannot recognize the telephone number information when the face of a person is blocked.

Description

Base station and monitoring device

Technical Field

The utility model relates to the field of base stations and monitoring, in particular to a base station and a monitoring device.

Background

The base station, i.e., public mobile communication base station, is an interface device for mobile devices to access the internet, and is one form of a radio station, which is a radio transceiver station for transmitting information to and from a mobile phone terminal through a mobile communication switching center in a certain radio coverage area.

Most of electronic fence systems designed based on the communication base station principle are deployed independently, and the coverage area is usually required to be wide, so that the electronic fence systems are large in size and large in power; it is inconvenient to use the product as an auxiliary support for other products.

Based on the above background, it is necessary to design a compact base station to support the use of the relevant demand products.

Disclosure of Invention

The embodiment of the utility model provides a base station and a monitoring device, which aim to solve the problems that the base station in the prior art is large in size and difficult to assist in the use of related required products.

The above object is achieved by the following technical scheme:

a base station, the base station comprising:

a housing;

a 4G small base station unit mounted within the housing; a kind of electronic device with high-pressure air-conditioning system

A 5G small cell unit electrically connected with the 4G small cell unit;

the base station is a PICO-level small base station for data transmission through the Ethernet.

Further, the 4G small cell unit includes:

a control core using BCM61755; a kind of electronic device with high-pressure air-conditioning system

A radio frequency front end using BCM61297;

register configuration is realized between the control core and the radio frequency front end through SPI interface communication, and IQ data transmission is performed through a digital IQ interface;

the DDR3 interface of the control core is configured with a 512MBITDEDDR3 chip;

the FLASH interface of the control core is configured with a 2GbitNANDFLASH chip to realize the configuration operation of the BCM61755;

the RGMII interface of the radio frequency front end is connected with the PHY chip B50212E to realize the speed adapting to the Ethernet communication can be 10/100/1000Mbps.

Further, the 5G small cell unit includes:

a processor using a NXP4 core ARM;

a baseband controller using a high pass FSM100XX platform;

a radio frequency front end processor using SDR9000;

power management chips PMX50 and PM8005;

integrating 5 paths of programmable switching power supplies; and

a clock unit architecture that provides a base clock using a 38.4mhz OCXO, clock generator SI5383 being a host processor LS1046;

the baseband controller comprises an FSM10051 physical layer baseband processor and an FSM10056 physical layer baseband processor which integrate an Arm Cortex-A7 processor;

the radio frequency front-end processor and the FSM10056 physical layer baseband processor communicate through a QLink interface, and the radio frequency front-end processor supports 3GPP Rel155G NR sub-6GHz, uplink 256QAM and downlink 256QAM, and 2X2 MIMO;

the high-pass FSM100XX platform supports a PCIe Gen3 interface of 2Lanes, and the high-pass FSM100XX platform is connected with an external NPU through the PCIe interface so as to realize data communication with the NPU.

Further, the monitoring device includes:

a database server;

a switch connected to the database server; a kind of electronic device with high-pressure air-conditioning system

The video monitoring camera and the base station are respectively connected with the switch through Ethernet;

the switch connects the 4G small cell and the 5G small cell via ethernet.

Further, the database server is a I P camera which has the functions of storing video data, mobile phone number data and corresponding time information and supports network transmission.

The beneficial effects are that:

the monitoring device is small and exquisite, has similar volume with the traditional video monitoring device, and is simple to deploy; in addition, although the traditional base station can acquire the telephone number information, the traditional base station cannot acquire the related video information, in the traditional monitoring device, only video monitoring is usually performed, and the traditional base station cannot recognize the telephone number information when the face of a person is blocked.

Drawings

FIG. 1 is a block diagram of a monitoring device of the present product;

FIG. 2 is a video monitoring scheme of the product;

FIG. 3 is a scheme of a 4G small cell of the present product;

fig. 4 is a system overview block diagram of a 5G small cell scheme of the present product;

FIG. 5 is a schematic diagram of a switch of the present product;

FIG. 6 is a block diagram of the product of the present utility model;

FIG. 7 is a diagram of an actual deployment of the present product;

FIG. 8 is a block diagram of a clock unit of the present product;

FIG. 9 is a general block diagram of a synchronization scheme of the present product;

fig. 10 is a diagram of the clock and synchronization overall unit of the present product.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings.

Example 1:

the base station and the monitoring device comprise a database server, wherein the database server is connected with a switch, the switch is connected with a video camera and a small base station through an Ethernet, the small base station comprises a 4G small base station unit and a 5G small base station unit, and the switch is connected with the 4G small base station unit and the 5G small base station unit through the Ethernet.

The monitoring device is structurally characterized in that the video monitoring scheme adopts the HI3516 processor scheme of Hua Hai Si, and the video monitoring and communication base station are combined.

Because the switch RTL8367S supports the RGMII interface and the MII interface, the switch RTL8367S can be directly connected with the MII/RGMII interfaces of the HI3516 processor, the BCM61735 processor and the LS1046 processor, thereby saving a PHY chip and saving the cost.

The exchanger RTL8367S has 5 net ports and +2 optical ports, and is interconnected with the video unit and the base station unit to use three, and the other two net ports are led out, and one optical port is led out. To facilitate cascading at deployment time.

Example 2:

the base station and the monitoring device of embodiment 1, wherein the database server is an IP camera supporting network transmission.

Example 3:

the base station and the monitoring device of embodiment 1, wherein the small base station is a PICO-level small base station, and uses ethernet for data transmission.

The small base station is adopted in order to match the coverage area with the video monitoring coverage area. Meanwhile, the product size is ensured to be smaller, and the product size is similar to that of the traditional video monitoring camera equipment. If a macro base station is used, its coverage is too large, up to several kilometers, and does not coincide with the video monitoring recognition distance. And the base station equipment is large.

At present, the wireless communication of the mobile phone mainly uses 4G and 5G communication, and the communication distinguishes different frequency bands such as China Mobile, china Unicom, china telecom and the like.

4G small base station scheme

The 4GLTE mobile communication base station platform structure is schematically shown. The BCM61755 is used as a control core, and the BCM61297 is used as a radio frequency front end. The two core control chips realize the receiving and transmitting of LTE signals. DDR and FLASH are used as the minimum system circuit of the BCM61755 controller, so that the BCM61755 controller can be ensured to normally operate.

The Ethernet interface realizes communication with the core network control unit, and the communication rate is 10/100/1000Mbps self-adaptive communication.

According to the requirements of different frequency bands of different operators, different power amplifier chips are adopted, so that the output power of a single antenna is 24dbm.

5G small base station scheme

Overall system block diagram:

the design of the NXP4 core ARM processor LS1046A plus the Qualcomm5G baseband processor FSM100xx is adopted.

The high-pass FSM100XX platform is employed as a baseband controller. The platform comprises an FSM10051 and an FSM10056, is a physical layer baseband processor conforming to the Sub-6G standard (3 GPPRel155 GNR), supports a Sub-6GTDD mode and adopts a 10ns process; integrating an Armcortex-A7 processor, wherein the main frequency is 800MHz; integrated QualHexagon ^TM A DSP processor, dominant frequency 866Mhz; 2GbitLPDDR4x memory is integrated, and the speed is 1.33G.

FSM100XX supports the PCIEGen3 interface of 2Lanes, FSM100XX needs to Boot (Boot), configure and control through external NPU (LS 1046A) through PCIe interface, and realize data communication with NPU (LS 1046A);

SDR9000 was employed as a radio frequency front end processor. SDR9000 is a multi-BAND enabled radio frequency transceiver that communicates with FSM10056 via a QLink interface; support 3GPPRel155GNRsub-6GHz; support 256QAM of up run and 256QAM of downlink; 2X2MIMO is supported.

Power management chip PMX50, PM8005

PMX50 is a highly integrated power management integrated circuit that integrates 5-way programmable switching power supplies (DC-DC), 18-way linear power supplies (LDOs, including vreg_rf and vreg_xo), and various internal maintenance functions into a single compact chip.

Example 4:

the base station and the monitoring device according to embodiment 1, wherein the switch is a switch to which data of the video monitoring camera and the small base station is transmitted, and is connected to the database server through the switch.

Switch scheme:

the output data stream of the video end is within 100 Mbps.

Base station end: because the mobile phone does not perform traffic transmission, only the work of registering and reading the mobile phone number by the mobile phone is completed, and the mobile phone number is transmitted to the database, so that the data volume is smaller.

An RTL8367S switch was used. Which is a 10/100/1000M switch. The switch chip is internally provided with 5 PHY chips and supports 2 fiber interfaces. So long-range communications may employ fiber optic interfaces.

Example 5:

the base station and the monitoring device according to embodiment 1, wherein the database server stores video data, mobile phone number data and corresponding time information for data storage.

Example 6:

the base station and monitoring apparatus of embodiment 1, such as the HI3516 processor scheme using huashi; the basic structure is shown in figure 2; HI3516 is a core processor responsible for completing audio and video processing and network communication. And connecting the camera unit by adopting a standard FPC interface. The camera interface is connected with the HI3516 video interface unit. SDRAM interface configuration 128MDDR3 of HI3516 controller; the SFLASH interface of the HI3516 controller is configured with 16MSFLASH; the USB2.0 interface of the HI3516 controller is connected with the RTL8192 chip to configure a wifi interface; the RMII interface of the HI3516 controller configures the RTL8201FPHY chip to configure the ethernet interface.

Example 7:

the base station and monitoring device described in embodiment 3, 4G small cell scheme (1) a platform structure of a 4GLTE mobile communication base station. The BCM61755 is used as a control core, and the BCM61297 is used as a radio frequency front end.

Register configuration is realized by SPI interface communication between measurement and BCM61297, and IQ data transmission is performed by digital IQ interface

The DDR3 interface of BCM61755 is configured with a 512MBITDEDDR3 chip; the FLASH interface is configured with a 2GbitNANDFLASH chip to realize the configuration operation of the BCM 61755. The running rate and data storage are guaranteed.

The RGMII interface of the BCM61755 is connected with the PHY chip B50212E to realize the self-adaptive Ethernet communication with the speed of 10/100/1000Mbps.

The BCM61297 radio frequency transmitting interface converts a differential signal into a single-ended signal through a balun, and amplifies the signal through a power amplifier, so that the power of the output end of an antenna reaches 24dbm. Wherein the power amplifier may select different devices, such as AWB7032/AWB7225, etc., according to different band requirements.

TX1 and RX1 implement transmit-receive isolation through a radio frequency switch or a duplexer. The radio frequency switch is used in the TDD mode, and the duplexer is used in the FDD mode.

BCM61297 provides two-way transceiving simultaneously, realizing MIMO communication.

BCM61297 supports SNIFFER synchronization at the same time, sniffs the air interface LTE signal through a SNIFFER antenna, and further realizes air interface synchronization.

Example 8:

the base station and monitoring device described in embodiment 1, the 5G small cell unit, is designed by using NXP4 core ARM processor LS1046A plus Qualcomm5G baseband processor FSM100 xx.

Power management chip PMX50, PM8005

The clock unit architecture uses 38.4mhzOCXO to provide the base clock.

The 38.4MHZ ocxo clock source provides a 38.4MHZ clock for PMK8002 and clock generator SI 5383.

PMK8002 provides 38.4mhz clock to both SDR9000 and FSM 10056.

Clock generator SI5383 provides both a 125MHz/156.25MHz/100MHz clock and a 1PPS signal to host processor LS 1046.

Synchronous unit architecture

The design provides two modes of IEEE1588 synchronization and satellite synchronization.

And under the satellite synchronization mode, an RGPS synchronization interface and a GPS/Beidou module synchronization interface are respectively provided.

Synchronization scheme overview block diagram:

the synchronous function comprises a clock chip SI5383, an FPGA, a NXP processor, a clock chip and a crystal oscillator;

the clock chip SI5383 meets the network time sequence requirements of SyncE and 1588;

selecting 1PPS input of GPS or 1588, and generating a filtered 1PPS signal to the FPGA;

SyncE or local OCXO as reference, outputs various clocks required in the board;

the FPGA completes time sequence calculation and tame of the crystal oscillator;

the NXP completes 1588 software and TFCS algorithm control functions, wherein 1588 programs are independently developed;

synchronizing system clocks: the locking of the synchronous signals of GPS_1PPS, NPU_PPS, IEEE1588_1PPS and the like and the input and output alignment functions of the synchronous signals are completed by a high-pass FPGA part, and the FPGA outputs a synchronous 1PPS synchronous signal to the FSM100XX and the NPU to complete system synchronization.

The system clock, ADC/DAC clock, the IFIC clock and Sleep clock which are integrated in the baseband chip FSM100XX chip are provided by PMX50 and PMK8002, and the PMK8002 output clock does not reserve one clock output.

The system clock chip selects Si5383, adopts a three-stage phase-locked loop structure, integrates 3 independent DSPLLs on a single chip, and supports flexible SyncE/IEEE 1588 (meeting the requirements of ITU-T G.8273.2T-BC, ITU-T G.8262 (SyncE) EEC Options 1&2, ITU-T G.812type III, IV and ITU-T G.813 Option 1).

Example 9:

the base station and the monitoring device described in embodiment 5, acquiring an IMSI (number information) of a mobile phone;

the device suppresses the real base station signal through high signal intensity, and then sucks the mobile phone in (the mobile phone can automatically select the base station with the strongest signal intensity);

then the base station unit of the equipment sends an Identity Request message-Identity Request to the connected mobile phone;

after receiving the Identity Request command, the mobile phone reports the IMSI Identity according to the LTE protocol requirement;

after the base station unit of the equipment acquires the IMSI information, the information is stored, and the time information is marked in the storage. When personnel positioning is needed, comparing the time information with the time information of the camera unit, and further matching the video information with the mobile phone number information;

after the IMSI signal is obtained, the base station unit removes the mobile phone from the base station, so that the mobile phone can be accessed to a conventional communication base station without affecting the normal communication use of the mobile phone.

Example 10:

the base station and the monitoring device according to embodiment 5, wherein the video information and the mobile phone number are used for locating a person, and the base station unit stores the IMSI information after acquiring the IMSI information, and marks time information in the storage. When personnel positioning is needed, the time information is compared with the time information of the camera unit, and then the video information is matched with the mobile phone number information.

Example 11:

the base station and the monitoring device described in the above embodiments, the video monitoring is a currently used security monitoring device. The face information can not be accurately identified by video monitoring due to the fact that the mask is worn at present in epidemic situations. Therefore, in some cases, even if video information is obtained, the person cannot accurately judge the accuracy of the person because the person wears a mask or other shielding.

The mobile phone becomes a necessity for life of people, various activities such as traveling are carried with the mobile phone, related information such as mobile phone numbers can be obtained through the communication base station equipment, for example, the mobile phone is registered in the base station after passing through the base station area, so that registration information of the mobile phone can be obtained.

Therefore, the video monitoring device and the base station device are integrated together, when a person passes through the monitoring device, the video image information can be obtained, meanwhile, registration information such as a mobile phone number and the like can also be obtained, and when the face of the person cannot be accurately identified, the person can be determined through the mobile phone number information.

Example 12:

the base station and the monitoring device according to the above embodiments,

actual deployment:

because of a plurality of operators in China, each product can correspond to the frequency band of one operator. To ensure full coverage for the operator, three monitoring devices are typically deployed simultaneously at the time of actual deployment. Three devices monitor different angles. And meanwhile, the coverage of the whole network frequency band is realized.

The three devices can be directly interconnected and connected to the database server via one optical fiber (or network interface) because of the reserved network interface. In this way there is only 1 actual network transmission line. And the complexity of system deployment is reduced.

Video surveillance (HI 3516) similar product chips may be substituted.

A 4G small cell (BCM 61735 +bcm61297) like product chip can be substituted.

A 5G small cell (LS 1046+fsm10056) like product chip may be substituted.

A similar product chip of switch RTL8367S may be substituted.

The video monitoring is integrated with the small base station, so that a novel monitoring device is realized, and the problem that only video images cannot be identified is solved.

A similar product chip of the video monitoring (HI 3516) +4G small base station (BCM 61735 +BCM61297) +5G small base station (LS 1046+FSM 10056) can replace a +switch (RTL 8367S) scheme.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model, but rather to enable any modification, equivalent replacement, improvement or the like to be made within the spirit and principles of the utility model.

Claims

1. A base station, the base station comprising:

a housing;

A 5G small cell unit electrically connected with the 4G small cell unit;

the base station is a PICO-level small base station for data transmission through the Ethernet;

the 4G small cell unit includes:

A radio frequency front end using BCM61297;

the DDR3 interface of the control core is configured with a 512MBITDEDDR3 chip;

2. The base station of claim 1, wherein the 5G small cell unit comprises: