In the streets and lanes, we can see the 4G posters posted by major operators everywhere, faster transmission speed, smoother online experience, and more active promotion to let more consumers get on the 4G fast lane. However, in the moment when 4G has become popular and accepted by the public, can your 4G LTE mobile phone really meet the 4G network standard? We have invited some top analysts from the communications industry to look at the hot topics of the wireless industry from an analytical perspective. A number of mobile operator CTOs said that existing networks are rapidly moving toward LTE-Advanced and LTE-Advanced Pro networks, and equipment purchasing managers should put pressure on equipment manufacturers and chip suppliers to bring higher levels to the market. The LTE communication module will have a negative impact on the network promotion process. Mobile devices that support LTE-A should be more popular in the high-end market and continue to penetrate the entry market. Of the smartphones shipped in 2016, one out of every four supports a theoretical downlink transmission speed of 300 Mbps. Currently, LTE-A networks are maturing, especially the combination of more than three channels to achieve higher carrier aggregation, using more advanced multi-input multi-output antenna functions and elevation beamforming techniques, as well as higher modulations still under development. The approach (eg 256 quadrature amplitude modulation), the industry is very optimistic about the prospects of LTE-A Pro. The combination of these technologies enables the creation of Gigabit-class LTE networks and devices. Of the 166 telecom operators that are deploying LTE-A, 90 are committed to deploying LTE-A Pro commercial services in 2017. In order for the device to support these networks, the communication module must support a range of Category 11 (up to 600Mbps) to Category 16 (downlink speed of 1Gb per second). Although Samsung, LG and ZTE are already equipped with Category 11/12 communication modules and are popular in high-end models, the first Category 16 communication module – from Qualcomm's Opteron X16 LTE module, in 2016 Released at the end of the year, officially in the mobile phone industry will wait until 2017. The first Gigabit LTE service will come from Australian telecom operator Telstra, which was previously supported by the NetGear MR1100 mobile router, which is equipped with the Opteron X16 LTE communication module. These devices will help improve the overall mobile service experience, allowing users to play and download richer content faster. Most importantly, in a crowded hotspot environment, the spectrum of the LTE-A Pro network that can be utilized by high-bandwidth services will be greatly limited for Category 6 or Category 9 communication modules. ABI Research predicts that mobile devices equipped with Category 11 or higher will account for less than 2% of all LTE devices in 2016, but will exceed 36% in 2021. For investments with vested interests, telecom operators must ensure that the network investment and equipment procurement strategies are linked and developed simultaneously, otherwise the overall service experience of the new network will be greatly reduced. In the process of deploying LTE-A Pro networks, operators will spend billions of dollars to expand and improve network latency. However, devices running under these networks still use obsolete communication modules, including Category 4, Category 6, and some Category 9. Assuming that this user behavior continues to be maintained, even if the network speeds up faster, the low-level communication modules will consume more network resources, resulting in high-level communication modules. This will result in network inefficiency always running, so in the peak hours and locations of the network in dense cities, even if the most advanced LTE network is deployed, there will be problems such as Caton's impact on the experience. When the base station schedules a large number of user requests during busy hours, the intuitive feeling of the end user is that the average download speed is slow, and even packet loss and no signal are present. And when network resources are occupied by lower-model communication modules, the situation will be further aggravated. To illustrate the higher-level communication module, suppose there is a Gigabit LTE communication base station, and a 12 megabytes popular video is streamed for users connected to the base station. Device types have a negative impact on network utilization. If the user uses Category 16 (downlink theory is 1 Gbps), the network can send shorts to 10 users per second. Each Category 16 user will only take up a few milliseconds of the network. If the user uses Category 4 (downlink theory is 150 Mbps) to connect to the network, the network can only transmit at the speed supported by the user. In other words, each Category 16 user will take up the entire network for 1 second. The above time differences may not be as shocking, but if you schedule hundreds of users at the same time, you will have very noticeable distortion. For example, 300 users using the Category 16 module can complete video transmission in just 30 seconds, while the same video, Category 4 module users need at least 5 minutes. There are some additional benefits to choosing a higher level communication module: • Spectrum resources are idle for more of the time, allowing the base station to allocate these resources more efficiently. • The overall efficiency of the system is higher, and the network can better determine how to allocate resources more efficiently • Higher sensory speeds on the terminal make the use more flexible, resulting in more data consumption. Equipment purchasing managers should call on OEMs and chip suppliers to use faster communication modules with Category 11 and above. If you don't do this, it will have some serious consequences for network efficiency. Even for users of high-level communication modules, the overall mobile bandwidth experience will have a huge negative impact. Communication module designers and OEMs should make trade-off decisions when they are involved in high-performance modules. This requires a lot of energy and ingenuity, and "know how" to design high-performance communication module chips. If telecom operators do not make an informed choice (which can match high-speed networks and the right equipment with the right communication modules), then network capacity, spectrum efficiency and service performance will inevitably be compromised. In these cases, subscribers will blame the carrier and smartphone brands. When the network is congested, the built-in poorly designed communication module phone will bring unexpected costs to network capacity, spectrum efficiency and overall user experience. Via rcrwireless
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