Recently, a forecast showed that mobile data traffic as of 2018 would sur greater 11 times (Cisco Virtual Network Index 2014). In addition, the data traffic on the future wireless network is expected to be up to 190 emotts, and more than half will be transmitted through a 4G / LTE network.
As the current 3G network capacity reaches peaks, 4G / LTE deployment is expected to continuously improve its performance to achieve higher levels. At the same time as customers enjoy performance, telecom operators must significantly adjust their existing networks. In addition to the current speed of 4G / LTE service, telecom operators must increase investment in network infrastructure, increasing bandwidth, accelerating network transmission, and these will be more than 30 billion wireless to 2020 The device is connected is critical (ABI Research 2012). There is no doubt that LTE will help users who urgently need a large amount of bandwidth to increase speed and reduce delays, but LTE itself requires two valuable resources - time and large spectrum - to succeed. Let's talk about Small Cells.
Small honeycomb base station is an economical device with higher deployment density. From essentially, as a local access line, it can seamlessly transfer data traffic on the macro wireless network to the micro-wireless network. When combined with other wireless access network technologies such as macro and Wi-Fi uninstalling, the small honeycomb base station can bring better movement and wireless coverage to end users, and help service providers Better manage data traffic and spectrum.
Small honeycomb base stations are divided into three types as the core: housing models for home applications, enterprises / indoor and indoor and indoor uses for small businesses or retail applications, as well as outdoor models for public places users. These applications can be used in licenses and unauthorized spectrums, and the coverage of the city has hundreds of meters, while the coverage of rural areas is a few kilometers.
Taking the LTE macro cell technology as an example, the technique can realize the downlink of 150-Mbps at 20 MHz without carrier polymerization. The small honeycomb base station can achieve the same downlink using the same bandwidth. Of course, the average number of users of macro honeycombs is hundreds, while small honeycomb base stations are typically less than 100, which means that small honeycombs can bring higher throughput for each user in a larger area of density. .
By deploying low-cost small honeycomb base stations in the 4G LTE network, telecom operators can fill blind spots, expand the coverage of crowded areas, and provide better service for companies. Considering its low cost and compact design, small cellular base stations can be deployed in any place where additional network capacity and coverage, such as shopping centers or public places.
I hope that in a beautiful weekend afternoon, a large group of people gathered in the local park to participate in the gourmet festival. Since almost everyone is now using social media, many people who participate in the food festival will use smartphone Internet access while waiting or enjoying food. As a result, the influx of data from the influx of the 4G / LTE cellular network will slow down the service speed, and even the connection is interrupted.
However, if you add a small honeycomb base station in this case, for example, on the nearby office building wall, you can add enough bandwidth to easily connect the smartphone that keeps the data connection in the park, thereby relieving the traffic pressure of the cellular network, And improve the data connection capabilities of all people in the region.
Of course, small honeycombs are not light energy to relieve traffic pressure of 4G / LTE cellular network, and can also increase network capacity in difficulty or indoor positions. This is very important because higher frequencies associated with LTE new spectrum will often result in reduced coverage, especially in indoors.
In short, whether in public places, home or off, adding a small honeycomb base station in 4G / LTE network means an increase in connection capabilities. However, small honeycomb base stations are also facing some of their own challenges. Deploying a small honeycomb base station in the city, telecom operators need to respond to many different mobile devices, not only different running rates, but also lack the appropriate position of the installation base station. In an outdoor public area deployment, you must solve the network interference problem of outdoor small cellular base stations and macro cells, and find a method of achieving seamless connection between macro cells and small honeycomb base stations. In addition, operators and telecom operators also need to continue to monitor and adjust the configuration of small honeycomb base stations in their network to meet user traffic demand.
Successful response to the above challenge, small honeycomb base stations are expected to be an important additional solution for 4G / LTE network.
Related reading:
Don't be surprised, 2G GSM network is shut down!
SOITEC and Shanghai Micro Technical Institute of Technology announced in-depth cooperation in the field of silicon base inflight such as high performance RF SOI
CES came to China, Shanghai's first show, three points, don't miss it.
450M download! Qualcomm releases the first Cat.10 LTE baseband
Our other product:
