Date:2022-09-07 10:28:06

Why Choose to Use Wireless Base Stations? Features of WiFi Base Stations

A real wireless base station needs to meet different practical uses and business needs in the case of multi-core, high-bandwidth, multi-band, high-power, and long-distance transmission, and can more flexibly adapt to different building floors.

Wireless Base Stations
1. Features of wireless base stations
A real WIFI base station should have the following most notable features:
1.1 Support multi-core and multi-band (2.4G and 5.1-5.8G), which can do WIFI signal coverage and long-distance transmission to meet different business needs and applications in various environments.
1.1.1 When doing WIFI signal coverage business, three or four cores can be applied in the 2.4G segment, and with different angle antennas, it can flexibly carry out targeted signal coverage for floor buildings of different structures, so that the covered Building signals are at their best.
1.1.2 When it is far away from the data outlet, the cell needs to be covered by WIFI signal. In this case, there is no good access point for uplink data, and it is impossible to go wired in the air. At this time, one core application of the WIFI base station can be used in the 5.8G frequency band, and then the WIFI base station CPE placed at the data outlet position can be connected to the data outlet (can transmit 1-15KM), and the remaining two or three core applications can be used in the 2.4G frequency band. Do WIFI signal coverage. This can make the location of the WIFI base station more flexible, and can better meet the signal coverage of long-distance buildings. Cells around a data exit point can better extend the coverage signal range, and simple device press and release can make the WLAN service cover more widely and greatly increase the access volume of users.
1.2 High bandwidth and high power meet the access volume of multiple users.
1.2.1 The high bandwidth of the WIFI base station, the net rate is more than 50M. If a device called a wireless base station only has a net rate of about 20M, how can it meet the access of multiple users? If this is possible, then it is enough to purchase a large number of APs, which is not simpler. We all know that if a bandwidth of 1M is allocated to each access user of the wireless base station, ordinary equipment can only have about 20 users, which is no different from AP, and such equipment can only be called pseudo base station. The bandwidth of the real base station is 2-3 times higher than that of the AP, so as to meet the access of a large number of users, and to meet the access number of users around the wireless base station without increasing the equipment.
1.2.2 The general residential building or office building has a complex structure and is blocked by 3-7 layers of walls. According to the attenuation principle of wireless transmission, a layer of ordinary walls will attenuate the 3DBI signal (that is, half of the total output power of the wireless device). The power Small devices often have no signal after passing through the first and second walls. The real WIFI base station can use high-power (1-5W) dry put, so that after penetrating the third wall, the terminal equipment can still receive the signal. to the signal, so that users can surf the Internet normally. In this way, users can be better served without adding equipment.
The above functions are not available on single-core devices. In addition, the WIFI base station software has better expansion performance, which can better connect with the equipment in the computer room.
2. Introduction of Wireless Base Stations
A wireless base station (BS), a public mobile communication base station, is a form of radio station, which refers to a radio transceiver station that transmits information with mobile phone terminals through a mobile communication switching center in a limited radio coverage area. The wireless base station is the basic unit that composes the cell in the mobile communication, and completes the communication and management functions between the mobile communication network and the mobile communication users.
The generalized wireless base station is the abbreviation of wireless Base Station Subsystem (BSS, Base Station Subsystem). Take a GSM network as an example, including a base transceiver station (BTS) and a wireless base station controller (BSC). A wireless base station controller can control dozens or even dozens of wireless base station transceivers. In systems such as WCDMA, similar concepts are called NodeB and RNC.
A narrow wireless base station, that is, a public mobile communication base station, is a form of radio station, which refers to a radio transceiver station that transmits information with mobile phone terminals through a mobile communication switching center in a certain radio coverage area.
The open source base station OpenBTS is a software-based GSM access port that provides a standard GSM-compatible mobile phone without using an off-the-shelf telephone provider's interface to dial the interface of the existing telephone system. OpenBTS is best known for being the first industry standard GSM protocol stack based on open source software.
3. Working procedure of wireless base station
3.1 When setting up or adding a mobile communication base station, a mobile communication operator that has been authorized to operate must first fill in the "Approval Form for Site Identification of Public Mobile Communication Base Station".
3.2 The Municipal Party Committee Office shall reply to the submitted "Approval Form for Site Identification of Public Mobile Communication Base Stations" within 15 days, and issue the "Approval Form for Site Selection of Public Mobile Communication Base Stations" when it agrees to set up.
3.3 After the operating unit builds the station, it shall apply to the Environmental Protection Bureau for the "Electromagnetic Radiation Environmental Qualification Certificate". The Environmental Protection Bureau shall test within the three-month trial operation period, and issue the "Electromagnetic Radiation Environmental Qualification Certificate" after acceptance.
3.4 The unit setting up the station shall apply for the station license with the "Certificate of Site Selection for Public Mobile Communication Base Station", "Station Technical Data Sheet" and "Electromagnetic Radiation Environment Qualification Certificate".
4. Access performance of wireless base stations
WEB login redirection
MAC authentication
SMTP redirect
Static and dynamic white and black lists
A server that supports multiple authentication and accounting on the client side
Billing clients supporting fail and blocking modes
Authentication clients that support failure mode
Support DHCP and NAT settings for each virtual AP
WISP attributes support dynamic bandwidth management per user
Support static bandwidth control
management implementation
The WIFI base station can monitor and manage equipment through the following interfaces and methods:
command line interface
Web browser interface
SNMP v1, v2, v3
RCMS (Remote Configuration Management System)
The WiFi base station supports a variety of security authentication methods, such as standard WEB browser login (UAM), 802.1x/EAP password, certificate or SIM card authentication, etc. The integrated real-time billing system based on standard EAP supports various billing strategies: prepaid, billed by time, billed by traffic, billed by the number of times of use or monthly unified billing, etc., and can be easily integrated into existing OSS and in the OBS system.

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