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consumes 90% of the channel bandwidth , so for the actual 20MHz bandwidth, the RB resource that can be used to transmit data is 100.The number of resource RB for each bandwidth used for data transfer is as follows:The 3GPP also specifies the types of bandwidth that can be used in different bands, as shown in the following table. for the current mobile, unicom, telecommunications use of TDD band 39, 40, 41来 said that the bandwidth is 5MHz, 10MHz, 15MHz and 20MHz.3. Carrier frequency point number

In recent years, the increasing demand for mobile data services has promoted the acceleration of LTE network commercialization. Throughout the world, LTE commercial networks are still dominated by lte fdd, but with the gradual development of their networks, users and businesses are increasing, lte fdd network frequency

China's LTE commercialization is approaching, and the industry's attention to the subsequent evolution of LTE has reached a new peak. Compared with 3G, LTE significantly improves the spectrum efficiency. However, the industry has not stopped. A few years ago, 3GPP began to research and develop the LTE-Advanced standard

Currently there are two 4G standards based on LTE, namely LTE FDD and LTE TDD (the domestic custom of LTE TDD is called Td-lte). See the name you will have an intuitive impression, the two standards are based on the different branches of

4G TDD-LTE and FDD-LTE two models, do you understand? At present, there are two 4G standards based on LTE, namely lte fdd and lte tdd (China is used to call lte tdd TD-LTE, both stand

LTE beginners, if you also for the LTE self-study and confused;LTE scholars, if you're still worried about the effectiveness of LTE learning,If you want to learn LTE well instead of simply learning about LTE,To make

-frame is to allow the terminal to decode the downlink dispatch information at an early stage (the translator note: The terminal can know how to decode the Dl-sch information), so that the terminal before the end of the sub-frame transmission can be Dl-sch demodulation and decoding, reduce dl-sch decoding delay, This reduces the delay of the overall downstream transmission. More importantly, the control domain is placed at the beginning of the sub-frame, then those non-scheduled terminals do not

The Charm Clan MX5 cracked unicom/Mobile 4g/3g (TD-LTE/TD-SCDMA/FDD-LTE/WCDMA) Prerequisite: To ensure adequate electricity, at least 50%. Use pea pods, application treasure, etc. to back up important information. 1, download MX5 General edition firmware (http://www.flyme.cn/firmware.html) 2, after downloading, the handset and the computer through the data line connection. Hint: The screenshot b

Influence of LTE technology on PTN China and the rest of the world are entering the brand new 4G/LTE era at full speed. As a mobile return technology, PTN faces severe challenges even after years of evolution and maturity. Some of these technological changes are huge enough to trigger a PTN revolution. This article takes into account the deployment of macro base stations and micro base stations, and review

Network Collaboration of TD-LTE Is there mutual interference between the TD-LTE and the current 2G system in the adjacent frequency? How can this problem be solved? A: In actual network deployment, the F-band (1880-1915 MHz) TD-LTE base station will be affected by the stray/blocking/Intermodulation Interference of DCS1800, the Second Harmonic Interference of GSM

Latest Advances in TD-LTE Testing At present, the first phase of core network, transmission, bearing and security testing work has been completed in the six test fields of TD-LTE. The results meet the test expectations, and all of them have entered the formal test conditions, in the future, the wireless performance, multi-antenna, terminal, indoor distribution system, network management and other aspects of

In December 5, Wei leping, director of China Telecom Technology Commission, said that after China Telecom obtained a 4G license, it will coordinate the coordinated development of LTE and FTTH and give full play to its respective advantages ~ In the past 10 years, LTE and FTTH will be two major technical levers for China Telecom. In terms of 4G network planning, China Telecom will first adopt TDD and FDD hyb

Layered Structure of LTE air Interfaces Layered Structure of LTE air Interfaces LTE air interface layer structure, and WCDMA air interface layer structure is the same, from top to bottom is also divided into several layers of RRC-PDCP-RLC-MAC-PHY, RRC belongs to the network layer, PDCP, RLC and MAC belongs to the link layer, PHY belongs to the physical layer. T

With the division of spectrum resources, a huge rock in the road of TD-LTE commercialization was moved. At the recently held "TD-LTE technology and spectrum Seminar", China's 2.6GHz spectrum planning scheme was announced,-2690hz of the 2.6GHz band all divided into TDD spectrum. The determination of spectrum division, which sent a clear signal to the TD-LTE indust

There is types of frame structure in the LTE standard, type 1 and type 2. Type 1 uses Frequency Division duplexing (Uplink and downlink separated by Frequency), and TDD uses time division Duplexin G (Uplink and downlink separated in time). This overview covers both LTE FDD Type 1 signals and LTE TDD type 2 signals described in the standard documents listed in The

Multi-frequency and ultra-Broadband Antennas must not be underestimated in LTE deployment According to the latest GSA (Global mobile Suppliers Association) statistics, operators in 112 countries around the world have commercialized 331 LTE Networks. It is estimated that by the end of 2014, the number of Global LTE commercial networks will reach 350. With the ar

LTE user documentation(if there are inappropriate places, please correct me!) )evolved Packet Core (EPC)we now explain how to write a simulation program that allows simulation of the EPC in addition to the LTE Wireless access network. The EPC allows the use of IPV4 networks to connect to LTE devices. In other words, conventional ns-3 applications and IPV4 sockets

Modern mobile communication tends to provide high-speed transmission multimedia services. The birth of LTE family base stations effectively improves the coverage, throughput, and transmission experience of the system in hot areas. In the standardization process of LTE, the concept and technology of a family base station HomeeNodeB and HeNB came into being. Unlike traditional cell communication base stations

As an evolution after 3G-4G, do you know its technical characteristics? As one of the 4G standard record filing systems, wireless TD-LTE-Advanced adopts the multi-access method, frame structure similar to TD, and wireless MIMO technology. The following is a detailed introduction. Features of wireless TD-LTE-Advanced Technology 1. Multiple Access Method The wireless TD-L