Knowledge

CDMA2000

Source đź“ť

1837: 522: 3234: 40: 3244: 3223: 1826: 3254: 400: 691: 702: 655: 317: 3278: 954: 2498: 890: 791: 735: 1432: 838: 574: 1453: 813: 608: 1800: 310: 1680: 117:
The name CDMA2000 denotes a family of standards that represent the successive, evolutionary stages of the underlying technology. These are:
3206: 3178: 3173: 2198: 2049: 1692: 1252: 2003: 979: 666: 1630: 1604: 465:
1X Advanced (Rev.E) is the evolution of CDMA2000 1X. It provides up to four times the capacity and 70% more coverage compared to 1X.
303: 883: 856: 373:
with real world data transmission averaging 80–100 kbit/s in most commercial applications. IMT-2000 also made changes to the
149: 3283: 3200: 2160: 1760: 3195: 3185: 3165: 2967: 1209: 223: 172: 137: 1665: 1106: 450: 357:
pair of 1.25 MHz radio channels. 1xRTT almost doubles the capacity of IS-95 by adding 64 more traffic channels to the
2332: 625: 3257: 3190: 3036: 1297: 876: 2962: 1675: 164: 3056: 1998: 1946: 1364: 1013: 934: 757: 2841: 2389: 2191: 1376: 959: 909: 241: 2952: 1940: 1765: 1369: 939: 783: 449:
to maximize both individual user's throughput and the overall system throughput. It is standardized (IS-856) by
2947: 2030: 1872: 1711: 727: 77: 2972: 1901: 1704: 1687: 446: 442: 31: 3247: 3008: 2905: 2448: 2243: 2215: 2134: 1204: 1150: 1125: 1008: 999: 219: 1718: 3237: 2744: 2184: 1165: 354: 581: 3096: 3018: 2957: 2664: 805: 605: 2868: 2829: 2674: 2574: 2503: 2436: 2263: 2025: 1160: 474: 434: 3227: 2469: 2404: 2357: 2317: 2061: 1830: 1660: 1422: 1416: 1410: 1359: 1327: 929: 394: 237: 125: 557:
In 2007, Qualcomm provided a global patent license for CDMA2000 to the Chinese company Teleepoch.
3066: 3051: 2895: 2846: 2769: 2669: 2347: 2233: 2228: 1780: 1388: 1029: 511: 480: 245: 17: 1916: 2988: 2774: 2589: 2534: 2529: 2342: 2307: 2103: 1805: 917: 846: 533: 503: 187: 129: 2890: 2694: 2659: 2579: 2559: 2481: 2369: 2290: 1952: 1743: 1670: 1096: 2223: 1850: 457:
service providers around the world – particularly those previously employing CDMA networks.
369:
with) the original set of 64. The 1X standard supports packet data speeds of up to 153 
2804: 2764: 2734: 2491: 2426: 2248: 2113: 2087: 1993: 1748: 1733: 1723: 949: 944: 382: 399: 8: 2814: 2754: 2513: 2475: 2273: 2258: 1921: 1738: 1728: 377:
for greater use of data services, including medium and link access control protocols and
385:
for data and circuit switched channel for voice (i.e., a voice frame once every 20 ms).
3041: 2998: 2929: 2799: 2729: 2704: 2639: 2486: 2207: 2045: 1865: 378: 370: 341:, is the core CDMA2000 wireless air interface standard. The designation "1x", meaning 30:
This article is about the mobile phone technology. For the channel access method, see
3081: 3003: 2917: 2900: 2863: 2709: 2539: 2508: 2374: 2268: 2150: 1841: 422: 2749: 3086: 3046: 3026: 2993: 2922: 2880: 2794: 2649: 2634: 2609: 2584: 2544: 2394: 2253: 2238: 2118: 1755: 1655: 1650: 1527: 969: 899: 366: 293: 263: 1911: 2714: 2569: 2337: 2312: 2300: 1896: 1881: 1699: 865:
Online interactive cdma2000 SDU decoder - covers all releases up to C.S0005-F 2.0
850: 612: 453:(3GPP2) as part of the CDMA2000 family of standards and has been adopted by many 374: 346: 2912: 2784: 2759: 2719: 2689: 2564: 2399: 2352: 2327: 2285: 1790: 1785: 1614: 920: 761: 662: 633: 273: 99:(IS-95) set of standards and used especially in North America and South Korea. 51: 3272: 3061: 2834: 2824: 2739: 2629: 2624: 2614: 2599: 2421: 2280: 2129: 2019: 1858: 1795: 868: 406:
smartphone displaying '1XEV' as the service status in the upper right corner.
362: 2939: 2779: 2724: 2654: 2619: 2554: 2453: 2443: 2295: 2124: 2056: 1958: 1770: 1517: 1501: 1134: 692:"Guidelines for using cdma2000 1x Revision E Features on Earlier Revisions" 454: 438: 358: 259: 255: 196: 81: 3139: 2789: 2699: 2684: 2644: 2604: 2463: 2108: 1599: 1548: 1458: 1446: 277: 227: 521: 479:
The CDMA Development Group states that, as of April 2014, there are 314
3144: 2851: 2549: 2458: 2414: 2384: 2362: 2155: 403: 3129: 2594: 2409: 2176: 2040: 85: 39: 3124: 3114: 3031: 2856: 2679: 2165: 2082: 1988: 1578: 1482: 1381: 1304: 1271: 731: 507: 492: 426: 141: 806:"Qualcomm gives patent license for CDMA2000 units to Chinese firm" 3119: 3104: 2322: 2067: 2035: 1983: 1812: 1342: 1309: 1184: 1115: 1049: 1044: 964: 96: 510:
announced it was ending development of the technology, favoring
3149: 3109: 2431: 1978: 1521: 1392: 1292: 1034: 974: 43: 483:
in 118 countries offering CDMA2000 1X and/or 1xEV-DO service.
3134: 3071: 2379: 1880: 1609: 1594: 1557: 1544: 1463: 1441: 1247: 1039: 698: 430: 350: 89: 3076: 1775: 1473: 1287: 1155: 1082: 111: 103: 47: 575:"What really is a Third Generation (3G) Mobile Technology" 495:
in the late 1990s as an enhancement to the CDMA standard.
1195: 1170: 1091: 1078: 1054: 76:
mobile technology standards for sending voice, data, and
843: 1573: 1496: 1266: 1068: 989: 862: 580:. International Telecommunication Union. Archived from 499: 283: 269: 251: 233: 215: 192: 107: 93: 73: 784:"Qualcomm halts UMB project, sees no major job cuts" 839:TIA TR-45 Engineering Committee for CDMA Standards 114:and used in Europe, Japan, China, and Singapore. 3270: 859:Overviews of the CDMA2000 standards - 1X to UMB 381:(QoS). The IS-95 data link layer only provided 3279:3rd Generation Partnership Project 2 standards 898: 2192: 1866: 884: 656:"Evolution of CDMA Roadmap—Voice Perspective" 311: 3207:Global telecommunications regulation bodies 411:CDMA2000 1xEV-DO (Evolution-Data Optimized) 3243: 2199: 2185: 1873: 1859: 891: 877: 626:"CDG : Technology : CDMA2000 1X" 318: 304: 136:All are approved radio interfaces for the 760:. CDMA Development Group. Archived from 398: 38: 27:Family of 3G mobile technology standards 150:Telecommunications Industry Association 92:as a backwards-compatible successor to 14: 3271: 2206: 1761:Multimedia Broadcast Multicast Service 128:): Release 0, Revision A, Revision B, 2180: 1854: 872: 816:from the original on December 5, 2021 491:CDMA2000 technology was developed by 343:1 times radio transmission technology 3253: 1902:Code-division multiple access (CDMA) 1719:Spectral efficiency comparison table 794:from the original on April 14, 2009. 516: 451:3rd Generation Partnership Project 2 552: 24: 738:from the original on July 12, 2014 121:Voice: CDMA2000 1xRTT, 1X Advanced 25: 3295: 1947:Frequency-hopping spread spectrum 832: 148:is a registered trademark of the 110:standards, which is developed by 3252: 3242: 3233: 3232: 3221: 2842:Free-space optical communication 1835: 1824: 1231: 910:List of mobile phone generations 520: 1941:Direct-sequence spread spectrum 798: 776: 750: 720: 684: 665:. May 13, 2010. Archived from 648: 618: 615:, uspto.gov, November 17, 2009 606:CDMA2000 trademark application 599: 567: 460: 13: 1: 3284:Code division multiple access 560: 506:; however, in November 2008, 447:time-division multiple access 443:code-division multiple access 429:transmission of data through 173:Wireless network technologies 32:Code-division multiple access 3228:Telecommunication portal 3009:Telecommunications equipment 2135:Low probability of intercept 2104:PN (pseudorandom noise) code 1959:Time-hopping spread spectrum 1831:Telecommunication portal 853:Standards and specifications 758:"CDG : CDMA Statistics" 504:UMB (Ultra Mobile Broadband) 7: 2745:Alexander Stepanovich Popov 701:. July 2011. Archived from 468: 10: 3300: 2449:Telecommunications history 1328:CDMA2000 1xEV-DO Release 0 502:successor to CDMA2000 was 486: 472: 392: 388: 29: 3216: 3158: 3095: 3057:Public Switched Telephone 3017: 2981: 2938: 2879: 2869:telecommunication circuit 2830:Fiber-optic communication 2813: 2575:Francis Blake (telephone) 2522: 2370:Optical telecommunication 2214: 2143: 2096: 2012: 1968: 1930: 1889: 1884:in digital communications 1821: 1643: 1623: 1587: 1572: 1537: 1510: 1495: 1472: 1431: 1402: 1352: 1341: 1320: 1280: 1265: 1240: 1218: 1210:EDGE/EGPRS - Evolved EDGE 1194: 1183: 1143: 1135:D-AMPS (IS-54 and IS-136) 1124: 1105: 1077: 1067: 1022: 998: 988: 916: 907: 849:January 23, 2004, at the 611:January 13, 2017, at the 475:List of CDMA2000 networks 435:broadband Internet access 294:Mobile telecommunications 2968:Orbital angular-momentum 2405:Satellite communications 2244:Communications satellite 2161:Statistical multiplexing 395:Evolution-Data Optimized 144:. In the United States, 126:Evolution-Data Optimized 124:Data: CDMA2000 1xEV-DO ( 2847:Molecular communication 2670:Gardiner Greene Hubbard 2499:Undersea telegraph line 2234:Cable protection system 1666:Comparison of standards 1305:UTRA-TDD LCR / TD-SCDMA 1225: 433:signals, typically for 413:, often abbreviated as 2989:Communication protocol 2775:Charles Sumner Tainter 2590:Walter Houser Brattain 2535:Edwin Howard Armstrong 2343:Information revolution 2119:Power spectral density 1671:Channel access methods 1310:UTRA-TDD HCR / TD-CDMA 812:. September 27, 2007. 630:CDMA Development Group 407: 130:Ultra Mobile Broadband 54: 2963:Polarization-division 2695:Narinder Singh Kapany 2660:Erna Schneider Hoover 2580:Jagadish Chandra Bose 2560:Alexander Graham Bell 2291:online video platform 2151:Digital communication 2013:Major implementations 1953:Chirp spread spectrum 1842:Telephones portal 950:MTA - MTB - MTC - MTD 790:. November 13, 2008. 764:on September 27, 2018 441:techniques including 402: 345:, indicates the same 331:CDMA2000 1X (IS-2000) 155: 106:, a competing set of 102:CDMA2000 compares to 88:. It is developed by 42: 2805:Vladimir K. Zworykin 2765:Almon Brown Strowger 2735:Charles Grafton Page 2390:Prepaid mobile phone 2318:Electrical telegraph 1459:iBurst (IEEE 802.20) 1232:CDMA2000 1X Advanced 383:best-effort delivery 2755:Johann Philipp Reis 2514:Wireless revolution 2476:The Telephone Cases 2333:Hydraulic telegraph 1345:(3.5G, 3.75G, 3.9G) 1187:(2.5G, 2.75G, 2.9G) 955:Mobile TeleSeratout 2953:Frequency-division 2930:Telephone exchange 2800:Charles Wheatstone 2730:Jun-ichi Nishizawa 2705:Innocenzo Manzetti 2640:Reginald Fessenden 2375:Optical telegraphy 2208:Telecommunications 1833:    1419:(TIA/EIA/IS-856-B) 1413:(TIA/EIA/IS-856-A) 1411:1xEV-DO Revision A 672:on October 5, 2016 532:. You can help by 445:(CDMA) as well as 423:telecommunications 408: 379:quality of service 349:(RF) bandwidth as 72:)) is a family of 55: 3266: 3265: 3004:Store and forward 2999:Data transmission 2913:Network switching 2864:Transmission line 2710:Guglielmo Marconi 2675:Internet pioneers 2540:Mohamed M. Atalla 2509:Whistled language 2174: 2173: 1848: 1847: 1651:Cellular networks 1639: 1638: 1568: 1567: 1491: 1490: 1337: 1336: 1293:UTRA-FDD / W-CDMA 1261: 1260: 1228:(TIA/EIA/IS-2000) 1179: 1178: 1063: 1062: 636:on August 2, 2010 550: 549: 425:standard for the 328: 327: 94:second-generation 66:IMT Multi‑Carrier 16:(Redirected from 3291: 3256: 3255: 3246: 3245: 3236: 3235: 3226: 3225: 3224: 3097:Notable networks 3087:Wireless network 3027:Cellular network 3019:Types of network 2994:Computer network 2881:Network topology 2795:Thomas A. Watson 2650:Oliver Heaviside 2635:Philo Farnsworth 2610:Daniel Davis Jr. 2585:Charles Bourseul 2545:John Logie Baird 2254:Data compression 2249:Computer network 2201: 2194: 2187: 2178: 2177: 2114:Near–far problem 1931:Spread spectrum 1875: 1868: 1861: 1852: 1851: 1840: 1839: 1838: 1829: 1828: 1827: 1756:Mobile broadband 1656:Mobile telephony 1644:Related articles 1585: 1584: 1528:LTE Advanced Pro 1508: 1507: 1423:EV-DO Revision C 1417:EV-DO Revision B 1350: 1349: 1278: 1277: 1192: 1191: 1075: 1074: 996: 995: 921:radio telephones 900:Cellular network 893: 886: 879: 870: 869: 826: 825: 823: 821: 802: 796: 795: 780: 774: 773: 771: 769: 754: 748: 747: 745: 743: 724: 718: 717: 715: 713: 707: 696: 688: 682: 681: 679: 677: 671: 660: 652: 646: 645: 643: 641: 632:. Archived from 622: 616: 603: 597: 596: 594: 592: 586: 579: 571: 553:Patent licensing 545: 542: 524: 517: 333:, also known as 320: 313: 306: 160: 159: 21: 3299: 3298: 3294: 3293: 3292: 3290: 3289: 3288: 3269: 3268: 3267: 3262: 3222: 3220: 3212: 3154: 3091: 3013: 2977: 2934: 2883: 2875: 2816: 2809: 2715:Robert Metcalfe 2570:Tim Berners-Lee 2518: 2338:Information Age 2210: 2205: 2175: 2170: 2139: 2092: 2046:Cordless phones 2008: 1964: 1926: 1897:Spread spectrum 1885: 1882:Spread spectrum 1879: 1849: 1844: 1836: 1834: 1825: 1823: 1817: 1724:Frequency bands 1635: 1619: 1577: 1564: 1533: 1500: 1487: 1468: 1427: 1398: 1344: 1343:3G transitional 1333: 1316: 1270: 1257: 1236: 1214: 1186: 1185:2G transitional 1175: 1139: 1120: 1116:cdmaOne (IS-95) 1101: 1059: 1018: 984: 912: 903: 897: 851:Wayback Machine 835: 830: 829: 819: 817: 804: 803: 799: 782: 781: 777: 767: 765: 756: 755: 751: 741: 739: 726: 725: 721: 711: 709: 708:on July 5, 2016 705: 694: 690: 689: 685: 675: 673: 669: 658: 654: 653: 649: 639: 637: 624: 623: 619: 613:Wayback Machine 604: 600: 590: 588: 587:on June 7, 2011 584: 577: 573: 572: 568: 563: 555: 546: 540: 537: 530:needs expansion 489: 477: 471: 463: 397: 391: 375:data link layer 347:radio frequency 324: 288: 202: 158: 60:(also known as 35: 28: 23: 22: 15: 12: 11: 5: 3297: 3287: 3286: 3281: 3264: 3263: 3261: 3260: 3250: 3240: 3230: 3217: 3214: 3213: 3211: 3210: 3203: 3198: 3193: 3188: 3183: 3182: 3181: 3176: 3168: 3162: 3160: 3156: 3155: 3153: 3152: 3147: 3142: 3137: 3132: 3127: 3122: 3117: 3112: 3107: 3101: 3099: 3093: 3092: 3090: 3089: 3084: 3079: 3074: 3069: 3064: 3059: 3054: 3049: 3044: 3039: 3034: 3029: 3023: 3021: 3015: 3014: 3012: 3011: 3006: 3001: 2996: 2991: 2985: 2983: 2979: 2978: 2976: 2975: 2970: 2965: 2960: 2955: 2950: 2948:Space-division 2944: 2942: 2936: 2935: 2933: 2932: 2927: 2926: 2925: 2920: 2910: 2909: 2908: 2898: 2893: 2887: 2885: 2877: 2876: 2874: 2873: 2872: 2871: 2861: 2860: 2859: 2849: 2844: 2839: 2838: 2837: 2827: 2821: 2819: 2811: 2810: 2808: 2807: 2802: 2797: 2792: 2787: 2785:Camille Tissot 2782: 2777: 2772: 2767: 2762: 2760:Claude Shannon 2757: 2752: 2750:Tivadar Puskás 2747: 2742: 2737: 2732: 2727: 2722: 2720:Antonio Meucci 2717: 2712: 2707: 2702: 2697: 2692: 2690:Charles K. Kao 2687: 2682: 2677: 2672: 2667: 2665:Harold Hopkins 2662: 2657: 2652: 2647: 2642: 2637: 2632: 2627: 2622: 2617: 2612: 2607: 2602: 2597: 2592: 2587: 2582: 2577: 2572: 2567: 2565:Emile Berliner 2562: 2557: 2552: 2547: 2542: 2537: 2532: 2526: 2524: 2520: 2519: 2517: 2516: 2511: 2506: 2504:Videotelephony 2501: 2496: 2495: 2494: 2489: 2479: 2472: 2467: 2461: 2456: 2451: 2446: 2441: 2440: 2439: 2434: 2429: 2419: 2418: 2417: 2407: 2402: 2400:Radiotelephone 2397: 2392: 2387: 2382: 2377: 2372: 2367: 2366: 2365: 2355: 2350: 2345: 2340: 2335: 2330: 2325: 2320: 2315: 2310: 2305: 2304: 2303: 2298: 2293: 2288: 2286:Internet video 2278: 2277: 2276: 2271: 2266: 2261: 2251: 2246: 2241: 2236: 2231: 2226: 2220: 2218: 2212: 2211: 2204: 2203: 2196: 2189: 2181: 2172: 2171: 2169: 2168: 2163: 2158: 2153: 2148: 2144: 2141: 2140: 2138: 2137: 2132: 2127: 2122: 2116: 2111: 2106: 2100: 2098: 2097:Major concepts 2094: 2093: 2091: 2090: 2085: 2080: 2077: 2071: 2065: 2059: 2053: 2052: 2043: 2038: 2033: 2028: 2023: 2016: 2014: 2010: 2009: 2007: 2006: 2001: 1996: 1991: 1986: 1981: 1975: 1973: 1966: 1965: 1963: 1962: 1956: 1950: 1944: 1937: 1935: 1928: 1927: 1925: 1924: 1919: 1917:Commercial use 1914: 1909: 1905: 1904: 1899: 1893: 1891: 1887: 1886: 1878: 1877: 1870: 1863: 1855: 1846: 1845: 1822: 1819: 1818: 1816: 1815: 1810: 1809: 1808: 1803: 1798: 1793: 1788: 1778: 1773: 1768: 1763: 1758: 1753: 1752: 1751: 1746: 1741: 1736: 1731: 1721: 1716: 1715: 1714: 1709: 1708: 1707: 1697: 1696: 1695: 1685: 1684: 1683: 1668: 1663: 1658: 1653: 1647: 1645: 1641: 1640: 1637: 1636: 1634: 1633: 1627: 1625: 1621: 1620: 1618: 1617: 1612: 1607: 1602: 1597: 1591: 1589: 1582: 1570: 1569: 1566: 1565: 1563: 1562: 1561: 1560: 1555: 1541: 1539: 1535: 1534: 1532: 1531: 1525: 1514: 1512: 1505: 1493: 1492: 1489: 1488: 1486: 1485: 1479: 1477: 1470: 1469: 1467: 1466: 1461: 1456: 1451: 1450: 1449: 1438: 1436: 1429: 1428: 1426: 1425: 1420: 1414: 1406: 1404: 1400: 1399: 1397: 1396: 1386: 1385: 1384: 1374: 1373: 1372: 1367: 1356: 1354: 1347: 1339: 1338: 1335: 1334: 1332: 1331: 1324: 1322: 1318: 1317: 1315: 1314: 1313: 1312: 1307: 1302: 1301: 1300: 1284: 1282: 1275: 1263: 1262: 1259: 1258: 1256: 1255: 1250: 1244: 1242: 1238: 1237: 1235: 1234: 1229: 1222: 1220: 1216: 1215: 1213: 1212: 1207: 1201: 1199: 1189: 1181: 1180: 1177: 1176: 1174: 1173: 1168: 1163: 1158: 1153: 1147: 1145: 1141: 1140: 1138: 1137: 1131: 1129: 1122: 1121: 1119: 1118: 1112: 1110: 1103: 1102: 1100: 1099: 1094: 1088: 1086: 1072: 1065: 1064: 1061: 1060: 1058: 1057: 1052: 1047: 1042: 1037: 1032: 1026: 1024: 1020: 1019: 1017: 1016: 1011: 1005: 1003: 993: 986: 985: 983: 982: 977: 972: 967: 965:Autotel (PALM) 962: 957: 952: 947: 942: 937: 932: 926: 924: 914: 913: 908: 905: 904: 896: 895: 888: 881: 873: 867: 866: 860: 854: 841: 834: 833:External links 831: 828: 827: 797: 775: 749: 719: 683: 663:Alcatel-Lucent 647: 617: 598: 565: 564: 562: 559: 554: 551: 548: 547: 527: 525: 488: 485: 470: 467: 462: 459: 393:Main article: 390: 387: 326: 325: 323: 322: 315: 308: 300: 297: 296: 290: 289: 287: 286: 281: 267: 249: 231: 212: 209: 208: 204: 203: 201: 200: 190: 184: 181: 180: 176: 175: 169: 168: 157: 154: 134: 133: 122: 52:wireless modem 26: 9: 6: 4: 3: 2: 3296: 3285: 3282: 3280: 3277: 3276: 3274: 3259: 3251: 3249: 3241: 3239: 3231: 3229: 3219: 3218: 3215: 3208: 3204: 3202: 3199: 3197: 3194: 3192: 3189: 3187: 3184: 3180: 3177: 3175: 3172: 3171: 3169: 3167: 3164: 3163: 3161: 3157: 3151: 3148: 3146: 3143: 3141: 3138: 3136: 3133: 3131: 3128: 3126: 3123: 3121: 3118: 3116: 3113: 3111: 3108: 3106: 3103: 3102: 3100: 3098: 3094: 3088: 3085: 3083: 3080: 3078: 3075: 3073: 3070: 3068: 3065: 3063: 3060: 3058: 3055: 3053: 3050: 3048: 3045: 3043: 3040: 3038: 3035: 3033: 3030: 3028: 3025: 3024: 3022: 3020: 3016: 3010: 3007: 3005: 3002: 3000: 2997: 2995: 2992: 2990: 2987: 2986: 2984: 2980: 2974: 2973:Code-division 2971: 2969: 2966: 2964: 2961: 2959: 2958:Time-division 2956: 2954: 2951: 2949: 2946: 2945: 2943: 2941: 2937: 2931: 2928: 2924: 2921: 2919: 2916: 2915: 2914: 2911: 2907: 2904: 2903: 2902: 2899: 2897: 2894: 2892: 2889: 2888: 2886: 2884:and switching 2882: 2878: 2870: 2867: 2866: 2865: 2862: 2858: 2855: 2854: 2853: 2850: 2848: 2845: 2843: 2840: 2836: 2835:optical fiber 2833: 2832: 2831: 2828: 2826: 2825:Coaxial cable 2823: 2822: 2820: 2818: 2812: 2806: 2803: 2801: 2798: 2796: 2793: 2791: 2788: 2786: 2783: 2781: 2778: 2776: 2773: 2771: 2768: 2766: 2763: 2761: 2758: 2756: 2753: 2751: 2748: 2746: 2743: 2741: 2740:Radia Perlman 2738: 2736: 2733: 2731: 2728: 2726: 2723: 2721: 2718: 2716: 2713: 2711: 2708: 2706: 2703: 2701: 2698: 2696: 2693: 2691: 2688: 2686: 2683: 2681: 2678: 2676: 2673: 2671: 2668: 2666: 2663: 2661: 2658: 2656: 2653: 2651: 2648: 2646: 2643: 2641: 2638: 2636: 2633: 2631: 2630:Lee de Forest 2628: 2626: 2625:Thomas Edison 2623: 2621: 2618: 2616: 2615:Donald Davies 2613: 2611: 2608: 2606: 2603: 2601: 2600:Claude Chappe 2598: 2596: 2593: 2591: 2588: 2586: 2583: 2581: 2578: 2576: 2573: 2571: 2568: 2566: 2563: 2561: 2558: 2556: 2553: 2551: 2548: 2546: 2543: 2541: 2538: 2536: 2533: 2531: 2528: 2527: 2525: 2521: 2515: 2512: 2510: 2507: 2505: 2502: 2500: 2497: 2493: 2490: 2488: 2485: 2484: 2483: 2480: 2478: 2477: 2473: 2471: 2468: 2465: 2462: 2460: 2457: 2455: 2452: 2450: 2447: 2445: 2444:Smoke signals 2442: 2438: 2435: 2433: 2430: 2428: 2425: 2424: 2423: 2422:Semiconductor 2420: 2416: 2413: 2412: 2411: 2408: 2406: 2403: 2401: 2398: 2396: 2393: 2391: 2388: 2386: 2383: 2381: 2378: 2376: 2373: 2371: 2368: 2364: 2361: 2360: 2359: 2356: 2354: 2351: 2349: 2346: 2344: 2341: 2339: 2336: 2334: 2331: 2329: 2326: 2324: 2321: 2319: 2316: 2314: 2311: 2309: 2306: 2302: 2299: 2297: 2294: 2292: 2289: 2287: 2284: 2283: 2282: 2281:Digital media 2279: 2275: 2272: 2270: 2267: 2265: 2262: 2260: 2257: 2256: 2255: 2252: 2250: 2247: 2245: 2242: 2240: 2237: 2235: 2232: 2230: 2227: 2225: 2222: 2221: 2219: 2217: 2213: 2209: 2202: 2197: 2195: 2190: 2188: 2183: 2182: 2179: 2167: 2164: 2162: 2159: 2157: 2154: 2152: 2149: 2146: 2145: 2142: 2136: 2133: 2131: 2130:Rake receiver 2128: 2126: 2123: 2120: 2117: 2115: 2112: 2110: 2107: 2105: 2102: 2101: 2099: 2095: 2089: 2086: 2084: 2081: 2078: 2076:(aka IS-2000) 2075: 2072: 2070:(aka cdmaOne) 2069: 2066: 2063: 2060: 2058: 2055: 2054: 2051: 2047: 2044: 2042: 2039: 2037: 2034: 2032: 2029: 2027: 2024: 2021: 2020:Space Network 2018: 2017: 2015: 2011: 2005: 2002: 2000: 1997: 1995: 1992: 1990: 1987: 1985: 1982: 1980: 1977: 1976: 1974: 1972: 1967: 1960: 1957: 1954: 1951: 1948: 1945: 1942: 1939: 1938: 1936: 1934: 1929: 1923: 1920: 1918: 1915: 1913: 1910: 1907: 1906: 1903: 1900: 1898: 1895: 1894: 1892: 1890:Main articles 1888: 1883: 1876: 1871: 1869: 1864: 1862: 1857: 1856: 1853: 1843: 1832: 1820: 1814: 1811: 1807: 1806:Wi-Fi Calling 1804: 1802: 1799: 1797: 1794: 1792: 1789: 1787: 1784: 1783: 1782: 1779: 1777: 1774: 1772: 1769: 1767: 1766:NGMN Alliance 1764: 1762: 1759: 1757: 1754: 1750: 1747: 1745: 1742: 1740: 1737: 1735: 1732: 1730: 1727: 1726: 1725: 1722: 1720: 1717: 1713: 1710: 1706: 1703: 1702: 1701: 1698: 1694: 1691: 1690: 1689: 1686: 1682: 1679: 1678: 1677: 1674: 1673: 1672: 1669: 1667: 1664: 1662: 1659: 1657: 1654: 1652: 1649: 1648: 1646: 1642: 1632: 1629: 1628: 1626: 1622: 1616: 1613: 1611: 1608: 1606: 1603: 1601: 1598: 1596: 1593: 1592: 1590: 1586: 1583: 1580: 1575: 1571: 1559: 1556: 1553: 1552: 1550: 1546: 1543: 1542: 1540: 1536: 1529: 1526: 1523: 1519: 1516: 1515: 1513: 1509: 1506: 1503: 1498: 1494: 1484: 1481: 1480: 1478: 1475: 1471: 1465: 1462: 1460: 1457: 1455: 1452: 1448: 1445: 1444: 1443: 1440: 1439: 1437: 1434: 1430: 1424: 1421: 1418: 1415: 1412: 1408: 1407: 1405: 1401: 1394: 1390: 1387: 1383: 1380: 1379: 1378: 1375: 1371: 1368: 1366: 1363: 1362: 1361: 1358: 1357: 1355: 1351: 1348: 1346: 1340: 1329: 1326: 1325: 1323: 1319: 1311: 1308: 1306: 1303: 1299: 1296: 1295: 1294: 1291: 1290: 1289: 1286: 1285: 1283: 1279: 1276: 1273: 1268: 1264: 1254: 1251: 1249: 1246: 1245: 1243: 1239: 1233: 1230: 1227: 1224: 1223: 1221: 1217: 1211: 1208: 1206: 1203: 1202: 1200: 1197: 1193: 1190: 1188: 1182: 1172: 1169: 1167: 1164: 1162: 1159: 1157: 1154: 1152: 1149: 1148: 1146: 1142: 1136: 1133: 1132: 1130: 1127: 1123: 1117: 1114: 1113: 1111: 1108: 1104: 1098: 1095: 1093: 1090: 1089: 1087: 1084: 1080: 1076: 1073: 1070: 1066: 1056: 1053: 1051: 1048: 1046: 1043: 1041: 1038: 1036: 1033: 1031: 1028: 1027: 1025: 1021: 1015: 1012: 1010: 1009:AMPS - N-AMPS 1007: 1006: 1004: 1001: 997: 994: 991: 987: 981: 978: 976: 973: 971: 968: 966: 963: 961: 958: 956: 953: 951: 948: 946: 943: 941: 938: 936: 933: 931: 928: 927: 925: 922: 919: 915: 911: 906: 901: 894: 889: 887: 882: 880: 875: 874: 871: 864: 863:cdma2000.info 861: 858: 855: 852: 848: 845: 842: 840: 837: 836: 815: 811: 807: 801: 793: 789: 785: 779: 763: 759: 753: 742:September 18, 737: 733: 729: 728:"1X Advanced" 723: 704: 700: 693: 687: 668: 664: 657: 651: 635: 631: 627: 621: 614: 610: 607: 602: 583: 576: 570: 566: 558: 544: 535: 531: 528:This section 526: 523: 519: 518: 515: 513: 509: 505: 501: 498:The intended 496: 494: 484: 482: 476: 466: 458: 456: 452: 448: 444: 440: 436: 432: 428: 424: 420: 416: 412: 405: 401: 396: 386: 384: 380: 376: 372: 368: 364: 360: 356: 352: 348: 344: 340: 336: 332: 321: 316: 314: 309: 307: 302: 301: 299: 298: 295: 292: 291: 285: 282: 279: 275: 271: 268: 265: 261: 257: 253: 250: 247: 243: 239: 235: 232: 229: 225: 221: 217: 214: 213: 211: 210: 206: 205: 198: 194: 191: 189: 186: 185: 183: 182: 178: 177: 174: 171: 170: 166: 162: 161: 153: 151: 147: 143: 139: 131: 127: 123: 120: 119: 118: 115: 113: 109: 105: 100: 98: 95: 91: 87: 83: 82:mobile phones 80:data between 79: 75: 71: 67: 63: 59: 53: 49: 45: 41: 37: 33: 19: 2940:Multiplexing 2815:Transmission 2780:Nikola Tesla 2770:Henry Sutton 2725:Samuel Morse 2655:Robert Hooke 2620:Amos Dolbear 2555:John Bardeen 2474: 2454:Telautograph 2358:Mobile phone 2313:Edholm's law 2296:social media 2229:Broadcasting 2125:Process gain 2073: 1970: 1932: 1771:Push-to-talk 1549:IEEE 802.16m 1518:LTE Advanced 1502:IMT Advanced 1447:IEEE 802.16e 1442:Mobile WiMAX 1403:3GPP2 family 1330:(TIA/IS-856) 1321:3GPP2 family 1219:3GPP2 family 1198:/3GPP family 1014:TACS - ETACS 818:. Retrieved 809: 800: 787: 778: 766:. Retrieved 762:the original 752: 740:. Retrieved 722: 710:. Retrieved 703:the original 686: 674:. Retrieved 667:the original 650: 638:. Retrieved 634:the original 629: 620: 601: 589:. Retrieved 582:the original 569: 556: 538: 534:adding to it 529: 497: 490: 478: 464: 455:mobile phone 439:multiplexing 418: 414: 410: 409: 359:forward link 342: 338: 334: 330: 329: 145: 135: 116: 101: 69: 65: 61: 57: 56: 36: 3140:NPL network 2852:Radio waves 2790:Alfred Vail 2700:Hedy Lamarr 2685:Dawon Kahng 2645:Elisha Gray 2605:Yogen Dalal 2530:Nasir Ahmed 2464:Teleprinter 2328:Heliographs 1912:Hedy Lamarr 1600:5G-Advanced 1588:3GPP family 1538:IEEE family 1530:(4.5G/4.9G) 1511:3GPP family 1353:3GPP family 1281:3GPP family 1226:CDMA2000 1X 1097:CSD - HSCSD 820:December 5, 591:October 28, 461:1X Advanced 152:(TIA-USA). 3273:Categories 3186:Antarctica 3145:Toasternet 3067:Television 2550:Paul Baran 2482:Television 2466:(teletype) 2459:Telegraphy 2437:transistor 2415:Phryctoria 2385:Photophone 2363:Smartphone 2353:Mass media 2156:Modulation 1454:Flash-OFDM 561:References 541:March 2011 473:See also: 437:. It uses 404:BlackBerry 367:quadrature 363:orthogonal 246:3.9G/3.95G 86:cell sites 3170:Americas 3159:Locations 3130:Internet2 2891:Bandwidth 2595:Vint Cerf 2492:streaming 2470:Telephone 2410:Semaphore 2301:streaming 2041:Bluetooth 1554:WiMax 2.1 1409:CDMA2000 902:standards 514:instead. 481:operators 78:signaling 46:CDMA2000 3238:Category 3125:Internet 3115:CYCLADES 3032:Ethernet 2982:Concepts 2906:terminal 2857:wireless 2680:Bob Kahn 2523:Pioneers 2348:Internet 2239:Cable TV 2166:Waveform 2147:See also 2083:Qualcomm 2074:CDMA2000 2057:Cellular 1989:TD-SCDMA 1579:IMT-2020 1483:HiperMAN 1382:DC-HSDPA 1272:IMT-2000 857:CDMA2000 847:Archived 814:Archived 792:Archived 768:June 13, 736:Archived 732:Qualcomm 640:July 28, 609:Archived 508:Qualcomm 493:Qualcomm 469:Networks 427:wireless 165:a series 163:Part of 146:CDMA2000 142:IMT-2000 58:CDMA2000 3258:Commons 3248:Outline 3201:Oceania 3120:FidoNet 3105:ARPANET 2918:circuit 2487:digital 2216:History 2088:Verizon 2036:GLONASS 2031:Galileo 2004:MC-CDMA 1999:FH-CDMA 1994:DS-CDMA 1984:TD-CDMA 1971:schemes 1933:methods 1922:More... 1908:History 1813:Osmocom 1661:History 1631:DECT-5G 1605:NR-IIoT 1050:DataTAC 1045:Mobitex 810:Reuters 788:Reuters 712:May 17, 676:May 17, 487:History 421:, is a 389:1xEV-DO 365:to (in 256:4G/4.5G 207:Digital 97:cdmaOne 18:IS-2000 3196:Europe 3166:Africa 3150:Usenet 3110:BITNET 3047:Mobile 2923:packet 2432:MOSFET 2427:device 2224:Beacon 2064:Mobile 2022:(NASA) 1979:W-CDMA 1961:(THSS) 1949:(FHSS) 1943:(DSSS) 1615:NB-IoT 1581:(2021) 1576:(2018) 1522:E-UTRA 1504:(2013) 1499:(2009) 1476:family 1435:family 1393:E-UTRA 1274:(2001) 1269:(1998) 1128:family 1109:family 1085:family 1071:(1991) 1002:family 992:(1979) 975:B-Netz 923:(1946) 371:kbit/s 355:duplex 179:Analog 167:on the 70:IMT‑MC 44:Huawei 3179:South 3174:North 3135:JANET 3072:Telex 3062:Radio 2901:Nodes 2896:Links 2817:media 2395:Radio 2380:Pager 2308:Drums 2274:video 2269:image 2259:audio 2121:(PSD) 2068:IS-95 2062:EV-DO 1969:CDMA 1955:(CSS) 1791:ViLTE 1786:VoLTE 1744:5G NR 1693:STDMA 1681:OFDMA 1624:Other 1610:LTE-M 1595:5G NR 1558:WiBro 1545:WiMAX 1464:WiBro 1377:HSPA+ 1370:HSUPA 1365:HSDPA 1248:WiDEN 1241:Other 1144:Other 1107:3GPP2 1040:Hicap 1035:C-450 1023:Other 940:Altai 844:3GPP2 706:(PDF) 699:3GPP2 695:(PDF) 670:(PDF) 659:(PDF) 585:(PDF) 578:(PDF) 431:radio 415:EV-DO 351:IS-95 339:1xRTT 274:5.25G 242:3.75G 224:2.75G 132:(UMB) 90:3GPP2 3191:Asia 3077:UUCP 3037:ISDN 2109:Chip 2079:Also 2050:DECT 1801:ViNR 1796:VoNR 1776:MIMO 1749:CDMA 1734:UMTS 1712:SDMA 1705:CDMA 1700:SSMA 1688:TDMA 1676:FDMA 1474:ETSI 1433:IEEE 1360:HSPA 1298:FOMA 1288:UMTS 1253:DECT 1205:GPRS 1156:iDEN 1151:CDPD 1126:AMPS 1083:3GPP 1000:AMPS 960:AMTS 935:IMTS 822:2021 770:2015 744:2013 714:2016 678:2016 642:2017 593:2012 353:: a 337:and 278:5.5G 264:4.9G 260:4.5G 238:3.5G 228:2.9G 220:2.5G 197:1.5G 112:3GPP 104:UMTS 84:and 50:USB 48:EVDO 3082:WAN 3052:NGN 3042:LAN 2323:Fax 2264:DCT 2026:GPS 1781:IMS 1739:LTE 1729:GSM 1389:LTE 1196:GSM 1171:CT2 1166:PHS 1161:PDC 1092:GSM 1079:GSM 1055:CT1 1030:NMT 980:AMR 970:ARP 945:OLT 930:MTS 536:. 512:LTE 417:or 140:'s 138:ITU 64:or 62:C2K 3275:: 2048:: 1574:5G 1551:) 1497:4G 1267:3G 1069:2G 990:1G 918:0G 808:. 786:. 734:. 730:. 697:. 661:. 628:. 500:4G 419:EV 361:, 335:1x 284:6G 276:, 270:5G 262:, 258:, 252:4G 244:, 240:, 234:3G 226:, 222:, 216:2G 193:1G 188:0G 156:1X 108:3G 74:3G 3209:) 3205:( 2200:e 2193:t 2186:v 1874:e 1867:t 1860:v 1547:( 1524:) 1520:( 1395:) 1391:( 1081:/ 892:e 885:t 878:v 824:. 772:. 746:. 716:. 680:. 644:. 595:. 543:) 539:( 319:e 312:t 305:v 280:) 272:( 266:) 254:( 248:) 236:( 230:) 218:( 199:) 195:( 68:( 34:. 20:)

Index

IS-2000
Code-division multiple access

Huawei
EVDO
wireless modem
3G
signaling
mobile phones
cell sites
3GPP2
second-generation
cdmaOne
UMTS
3G
3GPP
Evolution-Data Optimized
Ultra Mobile Broadband
ITU
IMT-2000
Telecommunications Industry Association
a series
Wireless network technologies
0G
1G
1.5G
2G
2.5G
2.75G
2.9G

Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.

↑