問題已開啟 (普通問題)
GSM的CBC配置的物理信道上,PCH與AGCH所占用的塊的總數(shù)為

GSMCBC配置的物理信道上,PCHAGCH所占用的塊的總數(shù)為3,請問具體計算過程

非常感謝!

提問者: guoxinchao  提問時間: 2015-03-19    
 
  我要回答:
 

  請先 登錄注冊 再回答問題

更多 PCH GSM AGCH CBC 信道 AGC 物理信道 配置 C_C 相關(guān)問題
問題答案 ( 1 )

這問題問的一點也不嚴(yán)謹(jǐn),如果CBCH信道和SDCCH信道使用相同的信道,如果配置CBCH(SDCCH/4)的話,CBCH占用時隙0,本來PCH和AGCH占用0,2,4,6 4個信道,那么這時候只剩下3個了

Channel                                   Sub‑                 Direction                 Allowable                Allowable                        Burst       Repeat                     Interleaved block
designation                              channel                                            timeslot                   RF channel                      type         length in                  TDMA frame
                                                number                                            assignments             assignments                                     TDMA frames         mapping

FCCH                                                                        D                    0                              C0                                    FB                    51                            B0(0),B1(10),B2(20),B3(30),B4(40)

SCH                                                                          D                    0                              C0                                    SB                    51                            B0(1),B1(11),B2(21),B3(31),B4(41)

BCCH Norm                                                              D                    0,2,4,6                     C0                                    NB                   51                   B(2..5)

BCCH Ext                                                                 D                    0,2,4,6                     C0                                    NB                   51                   B(6...9)

PCH                                                                          D                    0,2,4,6                     C0                                    NB                   51                                B0(6..9),B1(12..15),B2(16..19)
AGCH                                                                                                                                                                                                                             B3(22..25),B4(26..29),B5(32..35),
                                                                                                                                                                                                                                         B6(36..39),B7(42..45),B8(46..49)

NCH                                                                          D                    0                              C0                                    NB                   51                                B0(6..9),B1(12..15),B2(16..19)
                                                                                                                                                                                                                                        B3(22..25),B4(26..29),B5(32..35),
                                                                                                                                                                                                                                B6(36..39)

RACH                                                                       U                    0,2,4,6                     C0                                    AB                   51                                       B0(0),B1(1)..B50(50)

CBCH(SDCCH/4)                                                      D                    0                              C0                                    NB                   51                   B(32..35)

CBCH(SDCCH/8)                                                      D                    0 ... 3                       C0 ... Cn                           NB                   51                   B(8..11)

SDCCH/4                                        0                        D                    0                              C0                                   NB1                  51                   B(22..25)
                                                                                 U                                                                                                                                            B(37..40)
                                                       1                        D                                                                                                                                            B(26..29)
                                                                                 U                                                                                                                                            B(41..44)
                                                       2                        D                                                                                                                                            B(32..35)
                                                                                 U                                                                                                                                            B(47..50)
                                                       3                        D                                                                                                                                            B(36..39)
                                                                                 U                                                                                                                                            B(0..3)

SACCH/C4                                      0                        D                    0                              C0                                   NB3                 102                  B(42..45)
                                                                                 U                                                                                                                                            B(57..60)
                                                       1                        D                                                                                                                                            B(46..49)
                                                                                 U                                                                                                                                            B(61..64)
                                                       2                        D                                                                                                                                            B(93..96)
                                                                                 U                                                                                                                                            B(6..9)
                                                       3                        D                                                                                                                                            B(97..100)
                                                                                 U                                                                                                                                            B(10..13)




回答者: wwwmscbsccom     回答時間:2015-03-20 08:57    

2        1        
感謝您的答復(fù),可惜看不懂
呵呵
guoxinchao  2015-03-20 10:13 

那就沒辦法啦,請采納吧!這些都是協(xié)議規(guī)定的,其實沒有為什么!
wwwmscbsccom  2015-03-20 21:44 


中國通信人才網(wǎng) | 江蘇通信人才網(wǎng) | 山東通信人才網(wǎng) | 武漢通信人才網(wǎng) | 浙江通信人才網(wǎng) | 湖南通信人才網(wǎng)
杭州華星博鴻通信技術(shù)有限公司 聘:優(yōu)化規(guī)劃工程師(后臺-安徽)
需求人數(shù):5 人 地點:馬鞍山市
杭州東信網(wǎng)絡(luò)技術(shù)有限公司 聘:LTE/5G網(wǎng)絡(luò)中高級優(yōu)化工程師
需求人數(shù):2 人 地點:上海市
嘉環(huán)科技股份有限公司 聘:湖南電信原廠優(yōu)化招聘
需求人數(shù):10 人 地點:長沙市,永州市,郴州市,衡陽市
浙江明訊網(wǎng)絡(luò)技術(shù)有限公司 聘:浙江網(wǎng)絡(luò)優(yōu)化工程師
需求人數(shù):8 人 地點:寧波市,舟山市,湖州市,紹興市
南京華蘇科技有限公司 聘:中興網(wǎng)優(yōu)測試工程師(河南)
需求人數(shù):15 人 地點:鄭州市,商丘市,濟源市,開封市
廣州瀚信通信科技股份有限公司 聘:項目經(jīng)理(廣東)
需求人數(shù):2 人 地點:廣東省
重慶愛信思科技有限責(zé)任公司 聘:初中級OTN/PTN調(diào)測工程師
需求人數(shù):5 人 地點:唐山市,承德市,張家口市
浙江省郵電工程建設(shè)有限公司 聘:網(wǎng)優(yōu)日常租賃人員
需求人數(shù):2 人 地點:煙臺市
福建天海通信科技集團有限公司 聘:網(wǎng)優(yōu)后臺中級工程師(云南昆明)
需求人數(shù):2 人 地點:昆明市
重慶信科通信工程有限公司 聘:南昌電信中興原廠高級
需求人數(shù):2 人 地點:南昌市
熱點問題
更多精彩

聯(lián)系我們 - 問通信專家 Powered by MSCBSC 移動通信網(wǎng)  © 2006 -