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1、各種移動(dòng)通信制式頻率與信道號(hào)之間的換算一、gsm信道與頻率的換算45mhz19mhz6mhz19mhz6mhz移動(dòng)聯(lián)通移動(dòng)聯(lián)通890mhz909mhz915mhz935mhz960mhz954mhz25mhzgsm多址方式:tdma(時(shí)分多址)gsm雙工方式:fdd(頻分雙工)gsm占用帶寬:上下行各25mhz(上下行共用以fdd方式工作)gsm上下行頻率隔離:45mhzgsm信道間隔:200khz移動(dòng)占用帶寬:上下行各19 mhz 上行:890mhz 909mhz 下行:935mhz 954mhz (1 95)聯(lián)通用帶寬:上下行各6 mhz 上行:909mhz 915mhz 下行:954mh

2、z 960mhz (95 124)gsm一般換算公式:信道頻率:上行:890+ch0.2=f上行(mhz)下行:935+ch0.2=f下行(mhz)頻率信道:上行:(f上行-890)5= ch下行:(f下行-935)5= chgsm工程算法:低端信道號(hào)(即移動(dòng)較低頻率點(diǎn)信道號(hào))的算法:可采用一般換算公式高端信道號(hào)(即聯(lián)通或移動(dòng)較較高頻率點(diǎn)信道號(hào))算法:頻率信道:下行:(f下行-954)5+95= ch上行:(f上行-909)5+95= ch信道頻率:下行:(ch - 95)0.2+954=f下行 上行:f下行 45= f上行注:gsm中95頻點(diǎn)為保護(hù)頻點(diǎn),無(wú)委規(guī)定聯(lián)通、移動(dòng)均不能占用,因此該頻

3、點(diǎn)內(nèi)信號(hào)較為干凈如做模擬測(cè)試可考慮采用該頻點(diǎn)。二、cdma信道與頻率的換算45mhz10mhz10mhz聯(lián)通聯(lián)通825mhz835mhz870mhz880mhz天宇天宇隔離頻帶824mhz869mhzcdma多址方式:cdma(碼分多址)cdma雙工方式:fdd(頻分雙工)cdma占用帶寬:上下行各10mhz(上下行共用以fdd方式工作)cdma上下行頻率隔離:45mhzcdma信道間隔:1.23 mhzcdma帶寬: 上行:825mhz 835mhz 下行:870mhz 880mhz (37283)現(xiàn)聯(lián)通所用cdma-is95制式為美國(guó)高通制定,當(dāng)時(shí)美國(guó)為實(shí)現(xiàn)amp(模擬制式)向cdma的平

4、滑過(guò)渡因此定采用雙制式兼容方案,即使用同時(shí)支持amp和cdma的雙模手機(jī),并讓amp退出部分頻率資源給cdma使用。因此cdma信道編號(hào)沿用amp制式的編號(hào)方案。(cdma信道號(hào)指與該載波中心頻點(diǎn)相對(duì)應(yīng)的amp信道號(hào),因此cdma信道頻率換算可參考amp信道編號(hào)的算法)amp起始頻點(diǎn):869 mhz信道間隔:0.03 mhz ( 即30 khz )cdma每載波帶寬為1.23 mh即41個(gè)amp頻點(diǎn)cdma一般換算公式:信道頻率:上行:824+ch0.03=f上行(mhz)下行:869+ch0.03=f下行(mhz)頻率信道:上行:(f上行-824)0.03= ch下行:(f下行-869)0.

5、03= ch工程算法:cdma基本頻點(diǎn):877.49 mhz - ( 283 )信道間隔:1.23mhz - ( 即41個(gè)amp頻點(diǎn) )信道頻率:877.49-(283-ch)1.23=f下行 f下行 45 = f上行頻率信道:283 (877.49 - f下行)1.23 41= ch 283 (832.49 f上行)1.23 41= ch注:現(xiàn)聯(lián)通cdma段雖然有10m帶寬,但由于cdma為自干擾系統(tǒng),因此在cdma頻帶前后均留有一段隔離頻帶,因此現(xiàn)cdma網(wǎng)絡(luò)只有7個(gè)工作頻點(diǎn),即283、242、201、160、119、78、37。三、dcs信道與頻率的換算聯(lián)通移動(dòng)1710mhz聯(lián)通移動(dòng)10

6、mhz35mhz10mhz95mhz10mhz35mhz10mhz1720mhz1745mhz1755mhz1805mhz1815mhz1840mhz1850mhz電信1900mhzdcs雙工方式:fdd(頻分雙工)dcs占用帶寬:上下行各20mhz(上下行共用以fdd方式工作)dcs上下行頻率隔離:95mhzdcs信道間隔:200khzdcs帶寬:移動(dòng):上行:1710mhz 1720mhz (512561)下行:1805mhz 1815mhz 聯(lián)通:上行:1745mhz 1755mhz (687736)待添加的隱藏文字內(nèi)容2下行:1840mhz 1850mhz dcs一般換算公式:信道頻率:

7、下行:1805+(ch-511)0.2=f下行(mhz)上行:1710+(ch-511)0.2=f上行(mhz)頻率信道:下行:(f下行-1805)0.2+511= ch上行:(f上行-1710)0.2+511= ch工程算法:f上行= f下行 95四、mobitex信道與頻率的換算45mhz10mhz聯(lián)通聯(lián)通825mhz870mhz天宇天宇隔離頻帶824mhz869mhz866mhz821mhzmobitex雙工方式:fdd(頻分雙工)mobitex占用帶寬:上下行各3mhz(上下行共用以fdd方式工作)mobitex上下行頻率隔離:45mhzmobitex信道間隔:0.00625 mhz(

8、即6.25khz)mobitex帶寬: 上行:821mhz 824mhz (322800)下行:866mhz 869mhz (75228000)mobitex一般換算公式:信道頻率:下行:866+(ch下行-7520)0.00625=f下行(mhz)上行:821+(ch上行-320)0.00625=f上行(mhz)頻率信道:下行:(f下行-866)0.03= ch下行上行:(f上行-821)0.03= ch上行工程算法:f上行= f下行 45ch上行= ch下行 - 7200注:現(xiàn)mobitex網(wǎng)絡(luò)所使用頻點(diǎn)均為偶數(shù)頻點(diǎn)五、phs信道與頻率的換算20mhz1850mhz聯(lián)通1900mhz192

9、0mhz50mhz電信phs多址方式:tdma(時(shí)分多址)phs雙工方式:tdd(時(shí)分雙工)phs占用帶寬:20mhz(上下行共用以tdma/tdd方式工作)phs上下行頻率隔離:無(wú)phs信道間隔:300khzphs帶寬: 1900mhz 1920mhz (18 83)phs一般換算公式:信道頻率: 1900.25 + (ch 18) 0.3 mhz = f頻率信道: (f - 1900.25) 0.3+18 = ch 六、mobitex頻率與信道號(hào)對(duì)照表mobitex下行信道號(hào)mobitex上行信道號(hào)mobitex下行信道號(hào)mobitex上行信道號(hào)866.01257522821.012532

10、2866.58757614821.5875414866.0257524821.025324866.67616821.6416866.03757526821.0375326866.61257618821.6125418866.057528821.05328866.6257620821.625420866.06257530821.0625330866.63757622821.6375422866.0757532821.075332866.657624821.65424866.08757534821.0875334866.66257626821.6625426866.17536821.1336866

11、.6757628821.675428866.11257538821.1125338866.68757630821.6875430866.1257540821.125340866.77632821.74328661375342866.71257634821.7125434866.157544821.15344866.7257636821.725436866.16257546821.1625346866.73757638821.7375438866.1757548821.175348866.757640821.754408661875350866

12、.76257642821.7625442866.27552821.2352866.7757644821.775444866.21257554821.2125354866.78757646821.7875446866.2257556821.225356866.87648821.8448866.23757558821.2375358866.81257650821.8125450866.257560821.25360866.8257652821.825452866.26257562821.2625362866.83757654821.8375454866.2757564821.275364866.8

13、57656821.85456866.28757566821.2875366866.86257658821.8625458866.37568821.3368866.8757660821.875460866.31257570821.3125370866.88757662821.8875462866.3257572821.325372866.97664821.9464866.33757574821.3375374866.91257666821.9125466866.357576821.35376866.9257668821.925468866.36257578821.3625378866.93757

14、670821.9375470866.3757580821.375380866.957672821.95472866.38757582821.3875382866.96257674821.9625474866.47584821.4384866.9757676821.975476866.41257586821.4125386866.98757678821.9875478866.4257588821.4253888677680822480866.43757590821.4375390867.01257682822.0125482866.457592821.45392867.0257684822.02

15、5484866.46257594821.4625394867.03757686822.0375486866.4757596821.475396867.057688822.05488866.48757598821.4875398867.06257690822.0625490866.57600821.5400867.0757692822.075492866.51257602821.5125402867.08757694822.0875494866.5257604821.525404867.17696822.1496866.53757606821.5375406867.11257698822.112

16、5498866.557608821.55408867.1257700822.125500866.56257610821.56254108671375502866.5757612821.575412867.157704822.15504mobitex下行信道號(hào)mobitex上行mobitex下行信道號(hào)mobitex上行867.16257706822.1625506867.757800822.75600867.1757708822.175508867.76257802822.76256028671875510867.7757804822.7756

17、04867.27712822.2512867.78757806822.7875606867.21257714822.2125514867.87808822.8608867.2257716822.225516867.81257810822.8125610867.23757718822.2375518867.8257812822.825612867.257720822.25520867.83757814822.8375614867.26257722822.2625522867.857816822.85616867.2757724822.275524867.86257818822.862561886

18、7.28757726822.2875526867.8757820822.875620867.37728822.3528867.88757822822.8875622867.31257730822.3125530867.97824822.9624867.3257732822.325532867.91257826822.9125626867.33757734822.3375534867.9257828822.925628867.357736822.35536867.93757830822.9375630867.36257738822.3625538867.957832822.95632867.37

19、57740822.375540867.96257834822.9625634867.38757742822.3875542867.9757836822.975636867.47744822.4544867.98757838822.9875638867.41257746822.41255468687840823640867.4257748822.425548868.01257842823.0125642867.43757750822.4375550868.0257844823.025644867.457752822.45552868.03757846823.0375646867.46257754

20、822.4625554868.057848823.05648867.4757756822.475556868.06257850823.0625650867.48757758822.4875558868.0757852823.075652867.57760822.5560868.08757854823.0875654867.51257762822.5125562868.17856823.1656867.5257764822.525564868.11257858823.1125658867.53757766822.5375566868.1257860823.125660867.557768822.

21、555688681375662867.56257770822.5625570868.157864823.15664867.5757772822.575572868.16257866823.1625666867.58757774822.5875574868.1757868823.175668867.67776822.65768681875670867.61257778822.6125578868.27872823.2672867.6257780822.625580868.21257874823.2125674867.63757782822.63

22、75582868.2257876823.225676867.657784822.65584868.23757878823.2375678867.66257786822.6625586868.257880823.25680867.6757788822.675588868.26257882823.2625682867.68757790822.6875590868.2757884823.275684867.77792822.7592868.28757886823.2875686867.71257794822.7125594868.37888823.3688867.7257796822.7255968

23、68.31257890823.3125690867.73757798822.7375598868.3257892823.325692mobitex下行信道號(hào)mobitex上行mobitex下行信道號(hào)mobitex上行868.33757894823.3375694868.6757948823.675748868.357896823.35696868.68757950823.6875750868.36257898823.3625698868.77952823.7752868.3757900823.375700868.71257954823.7125754868.38757902823.387570

24、2868.7257956823.725756868.47904823.4704868.73757958823.7375758868.41257906823.4125706868.757960823.75760868.4257908823.425708868.76257962823.7625762868.43757910823.4375710868.7757964823.775764868.457912823.45712868.78757966823.7875766868.46257914823.4625714868.87968823.8768868.4757916823.475716868.8

25、1257970823.8125770868.48757918823.4875718868.8257972823.825772868.57920823.5720868.83757974823.8375774868.51257922823.5125722868.857976823.85776868.5257924823.525724868.86257978823.8625778868.53757926823.5375726868.8757980823.875780868.557928823.55728868.88757982823.8875782868.56257930823.5625730868

26、.97984823.9784868.5757932823.575732868.91257986823.9125786868.58757934823.5875734868.9257988823.925788868.67936823.6736868.93757990823.9375790868.61257938823.6125738868.957992823.95792868.6257940823.625740868.96257994823.9625794868.63757942823.6375742868.9757996823.975796868.657944823.65744868.98757

27、998823.9875798868.66257946823.66257468698000824800七、phs頻率與信道號(hào)對(duì)照表phs系統(tǒng)的信道劃分dect系統(tǒng)的信道劃分信道 no.中心頻率 (mhz)用 途信道 no.中心頻率 (mhz)用 途18 1900.250公眾或?qū)S猛ㄐ?91900.550公眾或?qū)S猛ㄐ?01900.850公眾或?qū)S猛ㄐ?11901.150公眾或?qū)S猛ㄐ?21901.450公眾或?qū)S猛ㄐ?31901.750公眾或?qū)S猛ㄐ?12 1902.528 公眾通信(無(wú)phs系統(tǒng)的地方)241902.050專用通信控制信道251902.350保護(hù)信道261902.650公眾通信

28、控制信道(1)271902.950保護(hù)信道281903.250公眾通信控制信道(2)291903.550保護(hù)信道 13 1904.256 公眾通信(無(wú)phs系統(tǒng)的地方)301903.850專用通信控制信道311904.150公眾或?qū)S猛ㄐ?21904.450公眾或?qū)S猛ㄐ?31904.750公眾或?qū)S猛ㄐ?41905.050公眾或?qū)S猛ㄐ?14 1905.984 公眾或?qū)S猛ㄐ?51905.350公眾或?qū)S猛ㄐ?61905.650公眾或?qū)S猛ㄐ?71905.950公眾或?qū)S猛ㄐ?81906.250公眾或?qū)S猛ㄐ?91906.550公眾或?qū)S猛ㄐ?01906.850公眾或?qū)S猛ㄐ?11907.150公眾或?qū)S猛ㄐ?15 1907.712 公眾或?qū)S猛ㄐ?/p>

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