高通Snapdragon X20將會是4G速度救星 - 手機討論

By Rosalind
at 2017-11-18T17:31
at 2017-11-18T17:31
Table of Contents
雖然已經發表很久了
但是因為最近產品快上市了
還是來講一下
Snapdragon X20將會是4G救星
https://www.qualcomm.com/products/snapdragon/modems/x20
https://goo.gl/AB4jZE https://goo.gl/et2Ad2
對比X16提升20%速度來到1.2G 但這不是主要的特點
特點在於對於頻譜的要求
https://goo.gl/wQXbyH
如圖所示不只支援5CA與X16更是完全不同等級
X16需要至少20MHz頻譜而X20只要10MHz
透過不同CA和4×4MIMO的排列方式能夠支持八種組合達到1G
這大大提高了靈活性
X16全球適用的電信商只有64%
而X20可以讓全球90%電信商都能達到1G的速率服務
其他的特點就有點廢話了
像是3CA上傳150M
雙卡LTE雙通雙待
支援全球40個頻段
超過1000種CA組合
(沒看錯喔,原文寫over 1000 carrier aggregation band combinations)
至於你說講這麼多廢話
有沒有實用案例
有啦年初的時候澳洲的Telstra就開通了1G服務
https://goo.gl/8v8WP5
這是X16 3CA + 256QAM的展示
網路上一堆開箱 實測也都有300~700M左右
目前X20預計明年初開始產品爆發
到時候將會是4G速度的救星 拿爛手機的就繼續龜速
不過台灣有台灣的玩法....令人憂心
--
但是因為最近產品快上市了
還是來講一下
Snapdragon X20將會是4G救星
https://www.qualcomm.com/products/snapdragon/modems/x20
https://goo.gl/AB4jZE https://goo.gl/et2Ad2
對比X16提升20%速度來到1.2G 但這不是主要的特點
特點在於對於頻譜的要求
https://goo.gl/wQXbyH
如圖所示不只支援5CA與X16更是完全不同等級
X16需要至少20MHz頻譜而X20只要10MHz
透過不同CA和4×4MIMO的排列方式能夠支持八種組合達到1G
這大大提高了靈活性
X16全球適用的電信商只有64%
而X20可以讓全球90%電信商都能達到1G的速率服務
其他的特點就有點廢話了
像是3CA上傳150M
雙卡LTE雙通雙待
支援全球40個頻段
超過1000種CA組合
(沒看錯喔,原文寫over 1000 carrier aggregation band combinations)
至於你說講這麼多廢話
有沒有實用案例
有啦年初的時候澳洲的Telstra就開通了1G服務
https://goo.gl/8v8WP5
這是X16 3CA + 256QAM的展示
網路上一堆開箱 實測也都有300~700M左右
目前X20預計明年初開始產品爆發
到時候將會是4G速度的救星 拿爛手機的就繼續龜速
不過台灣有台灣的玩法....令人憂心
--
Tags:
手機
All Comments

By Lydia
at 2017-11-19T15:17
at 2017-11-19T15:17

By Dinah
at 2017-11-20T13:03
at 2017-11-20T13:03

By Damian
at 2017-11-21T10:49
at 2017-11-21T10:49

By Enid
at 2017-11-22T08:35
at 2017-11-22T08:35

By Margaret
at 2017-11-23T06:21
at 2017-11-23T06:21

By Ivy
at 2017-11-24T04:07
at 2017-11-24T04:07

By Xanthe
at 2017-11-25T01:53
at 2017-11-25T01:53

By Andrew
at 2017-11-25T23:39
at 2017-11-25T23:39

By Skylar Davis
at 2017-11-26T21:25
at 2017-11-26T21:25

By Kristin
at 2017-11-27T19:11
at 2017-11-27T19:11

By Sierra Rose
at 2017-11-28T16:57
at 2017-11-28T16:57

By Heather
at 2017-11-29T14:43
at 2017-11-29T14:43

By George
at 2017-11-30T12:29
at 2017-11-30T12:29

By Adele
at 2017-12-01T10:15
at 2017-12-01T10:15

By Quanna
at 2017-12-02T08:01
at 2017-12-02T08:01

By Jacky
at 2017-12-03T05:47
at 2017-12-03T05:47

By Odelette
at 2017-12-04T03:33
at 2017-12-04T03:33

By Erin
at 2017-12-05T01:19
at 2017-12-05T01:19

By Sarah
at 2017-12-05T23:05
at 2017-12-05T23:05

By Anthony
at 2017-12-06T20:51
at 2017-12-06T20:51

By Jack
at 2017-12-07T18:37
at 2017-12-07T18:37

By Genevieve
at 2017-12-08T16:23
at 2017-12-08T16:23

By Tristan Cohan
at 2017-12-09T14:09
at 2017-12-09T14:09

By Madame
at 2017-12-10T11:55
at 2017-12-10T11:55

By Faithe
at 2017-12-11T09:41
at 2017-12-11T09:41

By Charlotte
at 2017-12-12T07:27
at 2017-12-12T07:27

By Valerie
at 2017-12-13T05:13
at 2017-12-13T05:13

By Michael
at 2017-12-14T02:59
at 2017-12-14T02:59

By Kelly
at 2017-12-15T00:45
at 2017-12-15T00:45

By Jack
at 2017-12-15T22:31
at 2017-12-15T22:31

By Hedwig
at 2017-12-16T20:17
at 2017-12-16T20:17

By Barb Cronin
at 2017-12-17T18:03
at 2017-12-17T18:03

By Kama
at 2017-12-18T15:49
at 2017-12-18T15:49

By Bethany
at 2017-12-19T13:35
at 2017-12-19T13:35

By Barb Cronin
at 2017-12-20T11:21
at 2017-12-20T11:21

By Harry
at 2017-12-21T09:07
at 2017-12-21T09:07

By Daph Bay
at 2017-12-22T06:53
at 2017-12-22T06:53

By Wallis
at 2017-12-23T04:39
at 2017-12-23T04:39

By Victoria
at 2017-12-24T02:25
at 2017-12-24T02:25

By Lauren
at 2017-12-25T00:11
at 2017-12-25T00:11

By Daniel
at 2017-12-25T21:57
at 2017-12-25T21:57

By Kumar
at 2017-12-26T19:43
at 2017-12-26T19:43

By Jacob
at 2017-12-27T17:29
at 2017-12-27T17:29
Related Posts
華為快充問題

By Puput
at 2017-11-18T17:02
at 2017-11-18T17:02
NP費用240元

By Noah
at 2017-11-18T16:53
at 2017-11-18T16:53
養門號手機推薦

By Mia
at 2017-11-18T16:50
at 2017-11-18T16:50
手機錄影問題請益

By Doris
at 2017-11-18T16:46
at 2017-11-18T16:46
日本帶回的iphone怎麼辦?

By Ethan
at 2017-11-18T16:43
at 2017-11-18T16:43