military antenna

• Sep 30 Thu 2021 10:02

• LTE 頻寬計算方式@ 幸福紀錄Jason

Antenna Design and manufacturing

台灣的即將上市，但在既有的情況下，其利用者真的能獲得號稱100Mbps的上網速度嗎?

Note:

 

LTE Subframe

 

 

Throughput Calculation for LTE TDD and FDD System from Sukhvinder Malik

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The FT-RF main profession in R&D and manufacturing of antenna, be alongside of to be subjected to any OEM of nation and ODM, provide the product of the best quality and let the sale has the price of competition ability most , is the target that the FT-RF has been making great effort.

回應

2.http://blog.richliu.com/2013/10/22/1545/

3.http://www.rfwireless-world.com/Tutorials/LTE-throughput.html

3.Throughput Calculation for LTE TDD and FDD System

If we use 2 antenna, the throughput is 51024 bits * 2 transport blocks * 1000 subframes/sec = about 100 Mbps

PHY layer throughput in bits = Transport Block Size (bits) / subframex number of transport blocks / subframex 1000 subframes / sec = ???? bits/sec

根據底下規格與公式，手機若在LTE FDD 10MHz的情形下，其在10MHz裡有 50RB,每一個RB都可取得 MCS =28，則此時手機在下載資料時，每秒只可最高可取得 36Mbps 速度.....要到達100Mbps 請用兩根天線與20Mhz再說

http://www.radio-electronics.com/info/cellulartelecomms/lte-long-term-evolution/lte-frame-subframe-structure.php

The basic type 1 LTE frame has an overall length of 10 ms. This is then divided into a total of 20 individual slots. LTE Subframes then consist of two slots - in other words there are ten LTE subframes within a frame

Let's assume that RB is 100 (20MHz) FDD Mode

1.http://www.sharetechnote.com/html/Handbook__ThroughputCalculationExample.html

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