The rapid development of mobile communication technology brings sharp growth in the number of mobile phone users. This growth creates increasingly high requirements for network quality. Besides enhancing network coverage, operators also need to increase network capacity to meet rapid increases in traffic volume.
In many hot spots, insufficient of network capacity and the existence of blind spots greatly affect user experience. To solve these problems, operators urgently need an accurate and low-cost coverage solution with flexible site deployment.
Following the philosophy of continuous innovation based on customers’ requirements, Huawei unveils the industry-leading WCDMA mini base station BTS3902E. Characterized by its small size, light weight, plug-and-play functionality, auto-configuration, and no requirements for shelter or equipment room, the BTS3902E is flexible in site acquisition and deployment, making it a quick and flexible site solution for operators.
The BTS3902E is a bi-carrier product. Figure 1-1shows the unit.
Compact Structure for Quick Network Construction
With a highly integrated design, the BTS3902 is small, light, and requires less spare parts, making it easy to install and maintain. The BTS3902E features strong environment adaptability and has no need for an equipment room. It can be flexibly mounted on a wall or a pole. The BTS3902E supports both integrated and separated antennas.
Expanded Capacity and Enhanced Coverage
The BTS3902E accurately absorbs traffic, and therefore expands network capacity and reduces blind spots. This helps operators enhance network quality and user experience.
Low Power Consumption and Energy Saving
The BTS3902E is another green base station launched by Huawei. It assists operators in constructing eco-friendly networks.
Smooth Evolution and CAPEX Saving
The BTS3902E supports HSPA+, and can provide high-speed data services in urban hot spots.
As shown in Figure 2-1, the BTS3902E is an integrated base station with the following main units: transmission interface unit, main processing unit, baseband processing unit, and RF unit.
Figure 2-1BTS3902E Structure
The function of each unit is as follows:
l Transmission interface unit
Provide ports for communication with the RNC and the operation and maintenance (O&M) channels to LMT or M2000.
l Main processing unit
Manages the entire BTS3902E in a centralized manner in terms of O&M and signaling processing. Also, provides the system clock.
l Baseband processing unit
Schedules and processes the uplink and downlink user-plane data on the Iub interface.
l RF unit
Modulates, demodulates, processes, and combines and divides baseband signals and RF signals.
l Power Amplifier (PA)
Amplifies low-power RF signals.
Allows a common antenna to receive and transmit signals. It also filters receive and transmit signals.
The BTS3902E has a modular structure with ports on the bottom panel, cabling cavity panel, and LED area. Table 2-1 shows ports on the BTS3902E.
Table 2-1Ports on the BTS3902E
Port A for transmitting and receiving RF signals
Port B for transmitting and receiving RF signals
Antenna port of receiver for self-organized network
FE/GE electrical port
FE/GE optical port
FE/GE optical port
Environment monitoring port
Debug port/ Clock test port/ Port for software upgrading