255:
116:
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861:(and thus higher bit rates). An optional secondary pilot was added, which is activated by the mobile when it tries to achieve enhanced data rates. To combat reverse link congestion and noise rise, the protocol calls for each mobile to be given an interference allowance which is replenished by the network when the reverse link conditions allow it. The reverse link has a maximum rate of 1.8 Mbit/s, but under normal conditions users experience a rate of approximately 500-1000 Kbit/s but with more
86:
238:
3264:
1125:
742:, because the forward link is always transmitted at full power for use by all the mobiles. The reverse link has both open loop and closed loop power control. In the open loop, the reverse link transmission power is set based upon the received power on the forward link. In the closed loop, the reverse link power is adjusted up or down 800 times a second, as indicated by the serving sector (similar to
36:
356:
maintaining a reasonable frame error rate of 1-2%. It then communicates this information back to the serving sector in the form of an integer between 1 and 12 on the "Digital Rate
Control" (DRC) channel. Alternatively, the mobile can select a "null" rate (DRC 0), indicating that the mobile either cannot decode data at any rate, or that it is attempting to
105:
718:
slot the mobile is able to determine the entire data packet, it can send an early acknowledgement back at that time; the remaining three sub-packets will be cancelled. If however the packet is not acknowledged, the network will proceed with the transmission of the remaining parts until all have been transmitted or the packet is acknowledged.
975:
Like LTE, the UMB system was to be based upon
Internet networking technologies running over a next generation radio system, with peak rates of up to 280 Mbit/s. Its designers intended for the system to be more efficient and capable of providing more services than the technologies it was intended
768:
These changes included the introduction of several new forward link data rates that increase the maximum burst rate from 2.45 Mbit/s to 3.1 Mbit/s. Also included were protocols that would decrease connection establishment time (called enhanced access channel MAC), the ability for more than
355:
to be used to communicate with a given mobile unit is determined by the mobile device itself; it listens to the traffic on the channel, and depending on the receive signal strength along with the perceived multi-path and fading conditions, makes a best guess as to what data-rate it can sustain while
285:
below). The upgrade from EV-DO Rev. A to Rev. B involves a software update of the cell site modem, and additional equipment for new EV-DO carriers. Existing cdma2000 operators may have to retune some of their existing 1xRTT channels to other frequencies, as Rev. B requires all DO carriers be within
717:
replica of the original data bits. This allows mobiles to acknowledge a packet before all of its sub-sections have been transmitted. For example, if a mobile transmits a DRC index of 3 and is scheduled to receive data, it will expect to get data during four time slots. If after decoding the first
979:
UMB's use of OFDMA would have eliminated many of the disadvantages of the CDMA technology used by its predecessor, including the "breathing" phenomenon, the difficulty of adding capacity via microcells, the fixed bandwidth sizes that limit the total bandwidth available to handsets, and the near
318:
Later, due to possible negative connotations of the word "only", the "DO"-part of the standard's name 1xEV-DO was changed to stand for "Data
Optimized", the full name - EV-DO now stands for "Evolution-Data Optimized." The 1x prefix has been dropped by many of the major carriers, and is marketed
983:
While capacity of existing Rel. B networks can be increased 1.5-fold by using EVRC-B voice codec and QLIC handset interference cancellation, 1x
Advanced and EV-DO Advanced offers up to 4x network capacity increase using BTS interference cancellation (reverse link interference cancellation),
315:(1xRTT) air interface standard, with its channels carrying only data traffic. The title of the 1xEV-DO standard document is "cdma2000 High Rate Packet Data Air Interface Specification", as cdma2000 (lowercase) is another name for the 1x standard, numerically designated as TIA-2000.
1574:
302:
requirements for a greater-than-2 Mbit/s down link for stationary communications, as opposed to mobile communication (i.e., moving cellular phone service). Initially, the standard was called High Data Rate (HDR), but was renamed to 1xEV-DO after it was ratified by the
706:". It's designed to maximize sector throughput while also guaranteeing each user a certain minimum level of service. The idea is to schedule mobiles reporting higher DRC indices more often, with the hope that those reporting worse conditions will improve in time.
889:(up to 4.9 Mbit/s on the downlink per carrier). Typical deployments are expected to include 2 or 3 carriers for a peak rate of 14.7 Mbit/s. Higher rates by bundling multiple channels together enhance the user experience and enable new services such as
331:
on the forward link (from the tower to the mobile). This means that a single mobile has full use of the forward traffic channel within a particular geographic area (a sector) during a given slot of time. Using this technique, EV-DO is able to
967:
network with high level services such as voice built on top. Widespread deployment of 4G networks promises to make applications that were previously not feasible not only possible but ubiquitous. Examples of such applications include mobile
281:(to improve latency) and higher rates on the forward and reverse link. In late 2006, Revision B (Rev. B) was published, whose features include the ability to bundle multiple carriers to achieve even higher rates and lower latencies (see
734:. The channel includes a reverse link pilot (helps with decoding the signal) along with the user data channels. Some additional channels that do not exist in 1x include the DRC channel (described above) and the ACK channel (used for
343:
The forward channel is divided into slots, each being 1.667 ms long. In addition to user traffic, overhead channels are interlaced into the stream, which include the 'pilot', which helps the mobile find and identify the channel, the
1582:
912:
Efficient support for services that have asymmetric download and upload requirements (i.e. different data rates required in each direction) such as file transfers, web browsing, and broadband multimedia content
757:
where they are decoded. The maximum speed available for user data is 153.2 kbit/s, but in real-life conditions this is rarely achieved. Typical speeds achieved are between 20-50 kbit/s.
926:
and determined that a new standard would be needed. Qualcomm originally called this technology EV-DV (Evolution Data and Voice). As EV-DO became more pervasive, EV-DV evolved into EV-DO Rev C.
976:
to replace. To provide compatibility with the systems it was intended to replace, UMB was to support handoffs with other technologies including existing CDMA2000 1X and 1xEV-DO systems.
1006:
However, during the ongoing development process of the 4G technology, 3GPP added some functionalities to LTE, allowing it to become a sole upgrade path for all wireless networks.
909:
Reduced interference from the adjacent sectors especially to users at the edge of the cell signal which improves the rates that can be offered by using Hybrid frequency re-use.
1660:
1235:
1193:
1361:
348:
which tells the mobile devices when their data is scheduled, and the 'control channel', which contains other information the network needs the mobile devices to know.
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881:
EV-DO Rev. B is a multi-carrier evolution of the Rev. A specification. It maintains the capabilities of EV-DO Rev. A, and provides the following enhancements:
1634:
2392:
1265:
2328:
941:
as the natural evolution path for CDMA2000 and the specifications were published by 3GPP2 (C.S0084-*) and TIA (TIA-1121) in 2007 and 2008 respectively.
277:
There have been several revisions of the standard, starting with
Release 0 (Rel. 0). This was later expanded upon with Revision A (Rev. A) to support
225:
rate for Rel. 0 can operate up to 153 kbit/s, while Rev. A can operate at up to 1.8 Mbit/s. It was designed to be operated end-to-end as an
2870:
54:
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903:
across channels—enhances the experience for latency sensitive services such as gaming, video telephony, remote console sessions and web browsing.
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3118:
3130:
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862:
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Scalable bandwidth between 1.25–20 MHz (OFDMA systems are especially well suited for wider bandwidths larger than 5 MHz)
1718:
1243:
3298:
3198:
2033:
161:) standard which supports high data rates and can be deployed alongside a wireless carrier's voice services. It uses advanced
2647:
1604:
1544:
1456:
765:
Revision A of EV-DO makes several additions to the protocol while keeping it completely backwards compatible with
Release 0.
304:
1372:
3103:
2544:
1294:
2735:
2314:
2149:
702:
Another important aspect of the EV-DO forward link channel is the scheduler. The scheduler most commonly used is called "
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1319:
2802:
2451:
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1871:
1819:
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72:
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each user’s time slot independently. This allows the service of users in favorable RF conditions with very complex
1269:
1104:
New handoff mechanisms support real-time services throughout the network and across different airlink technologies
3203:
2807:
2377:
1813:
1685:
735:
710:
111:
Style (9670 series) smartphone displaying '1XEV' as the service status as highlighted in the upper right corner.
3149:
1903:
1745:
1414:
1055:
1112:
Multi-carrier configuration supports incremental deployment & mix of low-complexity & wideband devices
3142:
3125:
2154:
2064:
1774:
750:
166:
1048:
Significantly higher data rates & reduced latencies using
Forward Link (FL) advanced antenna techniques
2642:
2588:
2563:
2446:
2437:
2248:
2007:
857:
In addition to the changes on the forward link, the reverse link was enhanced to support higher complexity
774:
311:. Originally, 1xEV-DO stood for "1x Evolution-Data Only", referring to its being a direct evolution of the
3156:
922:
Qualcomm early on realized that EV-DO was a stop-gap solution, and foresaw an upcoming format war between
2603:
1188:
1021:
254:
1362:"A Forward Link Performance Study of the 1xEV-DO Rel. 0 System Using Field Measurements and Simulations"
2273:
2169:
969:
328:
319:
simply as EV-DO. This provides a more market-friendly emphasis of the technology being data-optimized.
170:
3308:
2598:
2278:
1898:
1342:
Bi, Qi; S. Vitebsky (17–21 March 2002). "Performance analysis of 3G-1X EV-DO high data rate system".
1198:
340:
techniques while also serving users in poor RF conditions with simpler (and more redundant) signals.
333:
221:
air interface speeds of up to 2.4 Mbit/s with Rel. 0 and up to 3.1 Mbit/s with Rev. A. The
150:
115:
773:
flags. All of these were put in place to allow for low latency, low bit rate communications such as
3268:
3098:
2797:
2367:
2253:
2164:
2057:
1494:
1130:
900:
727:
327:
The primary characteristic that differentiates an EV-DO channel from a 1xRTT channel is that it is
50:
3218:
2826:
2467:
2263:
2159:
2109:
2099:
1707:
1203:
1000:
992:
956:
923:
1789:
1439:
Gopal, Thawatt (11–15 March 2007). "EVDO Rev. A Control
Channel Bandwidth Analysis for Paging".
616:
566:
541:
516:
491:
466:
441:
416:
229:, and can support any application which can operate on such a network and bit rate constraints.
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2355:
1976:
1177:
3181:
3108:
2534:
2181:
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393:
17:
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mobile phone standard for next generation applications and requirements. It was proposed by
3186:
3171:
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2387:
2382:
1986:
1960:
1866:
1395:
104:
8:
3176:
3166:
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1519:
206:) use, though the channel structure is very different. The back-end network is entirely
198:
An EV-DO channel has a bandwidth of 1.25 MHz, the same bandwidth size that IS-95A (
1918:
1738:
1462:
770:
278:
94:
27:
Telecommunications standard for the wireless transmission of data through radio signals
1282:
As of July 1, 2015 EVDO service across Canada (excluding
Manitoba) is being shut down.
1003:
standard as their 4G technology. In fact no carrier had announced plans to adopt UMB.
995:
instead. This followed the announcement that most CDMA carriers chose to adopt either
991:, UMB's lead sponsor, announced it was ending development of the technology, favoring
3279:
2023:
1452:
1036:
964:
703:
138:
1466:
3193:
3093:
3088:
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2337:
1991:
1444:
1172:
769:
one mobile to share the same timeslot (multi-user packets) and the introduction of
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211:
207:
1784:
1612:
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1323:
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1402:
893:
189:
3228:
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2669:
2358:
2119:
1368:
1298:
1083:
Independent RL & FL handoffs provide better airlink and handoff performance
886:
266:
248:
217:
The EV-DO feature of CDMA2000 networks provides access to mobile devices with
3292:
3233:
2306:
2002:
1892:
1731:
1575:"Telecommunications Industry Association (TIA) Publishes UMB Standards Suite"
1109:
Fast acquisition and efficient multi-carrier operation through use of beacons
739:
1045:
Data speeds over 275 Mbit/s downstream and over 75 Mbit/s upstream
181:
service providers around the world particularly those previously employing
3208:
2955:
2939:
2572:
2209:
2199:
1997:
1929:
1831:
1153:
1069:
Increased cell edge user data rates using adaptive interference management
1066:
Higher
Reverse Link (RL) sector capacity with quasi-orthogonal reverse link
222:
218:
178:
162:
1448:
3037:
2986:
2896:
2884:
1981:
1059:
849:
827:
691:
641:
345:
282:
2028:
1158:
1088:
Power optimization through use of quick paging and semi-connected state
980:
complete control by one company of the required intellectual property.
858:
805:
714:
388:
352:
337:
186:
108:
2663:
85:
2189:
2144:
1913:
1030:
800:
383:
237:
3016:
2920:
2819:
2742:
2709:
2283:
2134:
2114:
2038:
1955:
1946:
1861:
1148:
988:
963:. These technologies use a high bandwidth, low latency, underlying
938:
934:
789:
743:
731:
372:
312:
299:
295:
270:
244:
203:
174:
154:
142:
2049:
3250:
2780:
2747:
2622:
2553:
2487:
2482:
2402:
2139:
1940:
1908:
1856:
1091:
Low-overhead signaling using flexible airlink resource management
917:
357:
158:
90:
1101:
New scalable IP architecture supports inter-technology handoffs
984:
multi-carrier links, and smart network management technologies.
210:, and is not constrained by restrictions typically present on a
2959:
2830:
2730:
2472:
2412:
2258:
2129:
2104:
1851:
1661:"1X Advanced – Four-Fold Increase in Voice Capacity Whitepaper"
866:
262:
258:
241:
3047:
3032:
2995:
2982:
2901:
2879:
2685:
2477:
2293:
2288:
2233:
2217:
2194:
1753:
1712:
1490:
1214:
1167:
1138:
1075:
Distributed RL power control based on other cell interference
1015:
996:
960:
930:
199:
146:
119:
98:
1194:
List of Evolution-Data Optimized network equipment suppliers
3213:
2911:
2725:
2593:
2520:
2124:
1441:
2007 IEEE Wireless Communications and Networking Conference
1208:
1095:
1080:
Real time services enabled by fast seamless L1/L2 handoffs
1051:
754:
666:
591:
182:
195:
EV-DO service was discontinued in much of Canada in 2015.
2633:
2608:
2529:
2516:
2492:
870:
1701:
1605:"CDG : News & Events : CDG Press Releases"
1545:"CDG : News & Events : CDG Press Releases"
3011:
2934:
2704:
2506:
2427:
1143:
952:
948:
was introduced in 2006 as a synonym for this standard.
1344:
IEEE Wireless Communications and Networking Conference
1236:"Globalstar GSP-1700 satphone also loaded with EV-DO"
122:
Katana cell phone connected to the internet via EV-DO
1120:
876:
780:
The additional forward rates for EV-DO Rev. An are:
760:
749:
All of the reverse link channels are combined using
713:. Each sub-packet of a multi-slot transmission is a
1322:. QUALCOMM Technology and Solutions. Archived from
1266:"Service Bulletins: CDMA Network Changes in Canada"
1029:Support of mixed cell sizes, e.g., macro-cellular,
730:) on EV-DO Rel. 0 operates very similar to that of
289:
173:(TDM) to maximize throughput. It is a part of the
45:
may be too technical for most readers to understand
1635:"DO Advanced: Maximizing the Performance of EV-DO"
1719:A video demonstration of EVDO Rev. B capabilities
1042:Support of flat, centralized and mixed topologies
322:
177:family of standards and has been adopted by many
3290:
1478:
1476:
753:and transmitted back to the base station using
3304:3rd Generation Partnership Project 2 standards
2336:
1704:CDMA2000 standards and specification documents
1484:"cdma2000 High Rate Packet Data Air Interface"
918:EV-DO Rev. C (TIA-856 Revision C) and TIA-1121
726:The reverse link (from the mobile back to the
2322:
2065:
1739:
1341:
1337:
1335:
1333:
955:technology, which would make it compete with
294:The initial design of EV-DO was developed by
1637:. Qualcomm. October 27, 2011. Archived from
1493:. July 2005. pp. 10–114. Archived from
1473:
929:The EV-DO Rev. C standard was specified by
2329:
2315:
2072:
2058:
1746:
1732:
1330:
1183:Orthogonal frequency-division multiplexing
1233:
738:). Only the reverse link has any sort of
721:
73:Learn how and when to remove this message
57:, without removing the technical details.
1567:
1355:
1353:
1297:. CDMA development Group. Archived from
253:
236:
114:
103:
84:
1663:. Qualcomm. May 1, 2009. Archived from
1312:
1220:
14:
3291:
3199:Multimedia Broadcast Multicast Service
2310:
2053:
1727:
1438:
1350:
305:International Telecommunication Union
232:
55:make it understandable to non-experts
3157:Spectral efficiency comparison table
1775:Code-division multiple access (CDMA)
1432:
1295:"3G - CDMA2000 1xEV-DO Technologies"
906:Increased talk-time and standby time
29:
2079:
24:
1359:
1287:
1072:Dynamic fractional frequency reuse
25:
3320:
1820:Frequency-hopping spread spectrum
1695:
1209:Simultaneous Voice and EV-DO data
1164:High-Speed Downlink Packet Access
1094:Fast access and request using RL
877:EV-DO Rev. B (TIA-856 Revision B)
761:EV-DO Rev. A (TIA-856 Revision A)
711:Incremental Redundancy Hybrid ARQ
185:networks. It is also used on the
3273:
3262:
2348:List of mobile phone generations
1517:
1123:
290:EV-DO Rel. 0 (TIA-856 Release 0)
34:
1814:Direct-sequence spread spectrum
1679:
1653:
1627:
1597:
1581:. 19 March 2008. Archived from
1537:
1511:
363:The DRC values are as follows:
153:. EV-DO is an evolution of the
1688:, Reuters, November 13th, 2008
1407:
1389:
1258:
1227:
323:Forward link channel structure
13:
1:
3299:Code division multiple access
1520:"What is EV-DV? - Definition"
972:streaming and mobile gaming.
709:The system also incorporates
167:code-division multiple access
145:transmission of data through
3269:Telecommunication portal
2008:Low probability of intercept
1977:PN (pseudorandom noise) code
1832:Time-hopping spread spectrum
1708:CDMA Development Group (CDG)
946:UMB (Ultra Mobile Broadband)
307:(ITU) under the designation
7:
1396:CDG: Advantages of CDMA2000
1189:List of interface bit rates
1116:
1009:
360:to another serving sector.
10:
3325:
2766:CDMA2000 1xEV-DO Release 0
1686:Qualcomm halts UMB project
346:Media Access Channel (MAC)
171:time-division multiplexing
3259:
3081:
3061:
3025:
3010:
2975:
2948:
2933:
2910:
2869:
2840:
2790:
2779:
2758:
2718:
2703:
2678:
2656:
2648:EDGE/EGPRS - Evolved EDGE
2632:
2621:
2581:
2573:D-AMPS (IS-54 and IS-136)
2562:
2543:
2515:
2505:
2460:
2436:
2426:
2354:
2345:
2226:
2208:
2180:
2087:
2016:
1969:
1885:
1841:
1803:
1762:
1757:in digital communications
1443:. IEEE. pp. 3262–7.
1401:October 23, 2008, at the
1199:List of CDMA2000 networks
1022:Frequency Division Duplex
951:UMB was intended to be a
899:Reduced latency by using
151:broadband Internet access
2034:Statistical multiplexing
1131:Telecommunication portal
901:statistical multiplexing
728:Base Transceiver Station
127:Evolution-Data Optimized
3104:Comparison of standards
2743:UTRA-TDD LCR / TD-SCDMA
149:signals, typically for
3109:Channel access methods
2748:UTRA-TDD HCR / TD-CDMA
1992:Power spectral density
1715:EV-DO discussion group
1178:Mobile broadband modem
722:Reverse link structure
274:
251:
123:
112:
101:
3280:Telephones portal
2388:MTA - MTB - MTC - MTD
2024:Digital communication
1886:Major implementations
1826:Chirp spread spectrum
1518:Oryl, Michael F. Jr.
1449:10.1109/WCNC.2007.601
1360:Bi, Qi (March 2004).
1268:. MTS. Archived from
970:high definition video
257:
240:
165:techniques including
118:
107:
88:
2897:iBurst (IEEE 802.20)
2670:CDMA2000 1X Advanced
1246:on 12 September 2018
1221:Notes and references
1039:network architecture
1033:& pico-cellular.
1018:-based air interface
797:Payload size (bits)
380:Payload size (bits)
2783:(3.5G, 3.75G, 3.9G)
2625:(2.5G, 2.75G, 2.9G)
2393:Mobile TeleSeratout
2227:Long range wireless
1615:on 21 February 2015
1585:on 21 February 2015
1555:on 21 February 2015
1369:Lucent Technologies
790:Data rate in kbit/s
3271:
2857:(TIA/EIA/IS-856-B)
2851:(TIA/EIA/IS-856-A)
2849:1xEV-DO Revision A
1524:www.mobileburn.com
1320:"CDMA2000 1xEV-DO"
987:In November 2008,
373:Data rate (kbit/s)
279:quality of service
275:
252:
233:Standard revisions
169:(CDMA) as well as
139:telecommunications
124:
113:
102:
3286:
3285:
3089:Cellular networks
3077:
3076:
3006:
3005:
2929:
2928:
2775:
2774:
2731:UTRA-FDD / W-CDMA
2699:
2698:
2666:(TIA/EIA/IS-2000)
2617:
2616:
2501:
2500:
2304:
2303:
2047:
2046:
1458:978-1-4244-0658-6
953:fourth-generation
885:Higher rates per
855:
854:
704:proportional fair
700:
699:
141:standard for the
83:
82:
75:
16:(Redirected from
3316:
3309:Mobile broadband
3278:
3277:
3276:
3267:
3266:
3265:
3194:Mobile broadband
3094:Mobile telephony
3082:Related articles
3023:
3022:
2966:LTE Advanced Pro
2946:
2945:
2861:EV-DO Revision C
2855:EV-DO Revision B
2788:
2787:
2716:
2715:
2630:
2629:
2513:
2512:
2434:
2433:
2359:radio telephones
2338:Cellular network
2331:
2324:
2317:
2308:
2307:
2074:
2067:
2060:
2051:
2050:
1987:Near–far problem
1804:Spread spectrum
1748:
1741:
1734:
1725:
1724:
1689:
1683:
1677:
1676:
1674:
1672:
1667:on June 24, 2012
1657:
1651:
1650:
1648:
1646:
1641:on June 24, 2012
1631:
1625:
1624:
1622:
1620:
1611:. Archived from
1601:
1595:
1594:
1592:
1590:
1571:
1565:
1564:
1562:
1560:
1551:. Archived from
1541:
1535:
1534:
1532:
1530:
1515:
1509:
1508:
1506:
1505:
1499:
1488:
1480:
1471:
1470:
1436:
1430:
1429:
1427:
1425:
1411:
1405:
1393:
1387:
1386:
1384:
1383:
1377:
1371:. Archived from
1366:
1357:
1348:
1347:
1346:. IEEE: 389–395.
1339:
1328:
1327:
1316:
1310:
1309:
1307:
1306:
1291:
1285:
1284:
1279:
1277:
1262:
1256:
1255:
1253:
1251:
1242:. Archived from
1231:
1173:Mobile broadband
1133:
1128:
1127:
1126:
1098:control channels
794:Slots scheduled
783:
782:
377:Slots scheduled
366:
365:
329:time multiplexed
298:in 1999 to meet
227:IP-based network
212:circuit switched
78:
71:
67:
64:
58:
38:
37:
30:
21:
3324:
3323:
3319:
3318:
3317:
3315:
3314:
3313:
3289:
3288:
3287:
3282:
3274:
3272:
3263:
3261:
3255:
3162:Frequency bands
3073:
3057:
3015:
3002:
2971:
2938:
2925:
2906:
2865:
2836:
2782:
2781:3G transitional
2771:
2754:
2708:
2695:
2674:
2652:
2624:
2623:2G transitional
2613:
2577:
2558:
2554:cdmaOne (IS-95)
2539:
2497:
2456:
2422:
2350:
2341:
2335:
2305:
2300:
2222:
2204:
2176:
2083:
2081:Internet access
2078:
2048:
2043:
2012:
1965:
1919:Cordless phones
1881:
1837:
1799:
1770:Spread spectrum
1758:
1755:Spread spectrum
1752:
1698:
1693:
1692:
1684:
1680:
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1659:
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1403:Wayback Machine
1394:
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1364:
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1331:
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1247:
1234:Cyrus Farivar.
1232:
1228:
1223:
1129:
1124:
1122:
1119:
1012:
944:The brand name
933:to improve the
920:
894:video streaming
891:high definition
879:
763:
724:
325:
292:
235:
202:) and IS-2000 (
190:satellite phone
79:
68:
62:
59:
51:help improve it
48:
39:
35:
28:
23:
22:
15:
12:
11:
5:
3322:
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3106:
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2449:
2443:
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2431:
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2420:
2415:
2410:
2405:
2403:Autotel (PALM)
2400:
2395:
2390:
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2375:
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2036:
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2026:
2021:
2017:
2014:
2013:
2011:
2010:
2005:
2000:
1995:
1989:
1984:
1979:
1973:
1971:
1970:Major concepts
1967:
1966:
1964:
1963:
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1911:
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1797:
1792:
1790:Commercial use
1787:
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1766:
1764:
1760:
1759:
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1722:
1721:
1716:
1713:EVDOforums.com
1710:
1705:
1697:
1696:External links
1694:
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1596:
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1431:
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1388:
1349:
1329:
1326:on 2006-11-04.
1311:
1286:
1272:on 29 May 2015
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1031:micro-cellular
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732:CDMA2000 1xRTT
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283:TIA-856 Rev. B
267:wireless modem
249:wireless modem
234:
231:
81:
80:
63:September 2010
42:
40:
33:
26:
9:
6:
4:
3:
2:
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3302:
3300:
3297:
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3244:Wi-Fi Calling
3242:
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3237:
3235:
3232:
3230:
3227:
3225:
3222:
3221:
3220:
3217:
3215:
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3207:
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3204:NGMN Alliance
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2447:AMPS - N-AMPS
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2037:
2035:
2032:
2030:
2027:
2025:
2022:
2019:
2018:
2015:
2009:
2006:
2004:
2003:Rake receiver
2001:
1999:
1996:
1993:
1990:
1988:
1985:
1983:
1980:
1978:
1975:
1974:
1972:
1968:
1962:
1959:
1957:
1954:
1951:
1949:(aka IS-2000)
1948:
1945:
1943:(aka cdmaOne)
1942:
1939:
1936:
1933:
1931:
1928:
1927:
1924:
1920:
1917:
1915:
1912:
1910:
1907:
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1900:
1897:
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1893:Space Network
1891:
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1763:Main articles
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1580:
1579:tiaonline.org
1576:
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1550:
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1540:
1525:
1521:
1514:
1500:on 2008-02-16
1496:
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1400:
1397:
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1378:on 2008-02-16
1374:
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1338:
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1334:
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1321:
1315:
1301:on 2007-12-20
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751:code division
747:
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740:power control
737:
733:
729:
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137:, etc.) is a
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100:
96:
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87:
77:
74:
66:
56:
52:
46:
43:This article
41:
32:
31:
19:
3209:Push-to-talk
2987:IEEE 802.16m
2956:LTE Advanced
2940:IMT Advanced
2885:IEEE 802.16e
2880:Mobile WiMAX
2860:
2854:
2848:
2841:3GPP2 family
2768:(TIA/IS-856)
2765:
2759:3GPP2 family
2657:3GPP2 family
2636:/3GPP family
2452:TACS - ETACS
2243:
2210:Wireless LAN
2200:Wireless USB
2182:Wireless PAN
1998:Process gain
1934:
1843:
1805:
1681:
1669:. Retrieved
1665:the original
1655:
1643:. Retrieved
1639:the original
1629:
1617:. Retrieved
1613:the original
1608:
1599:
1587:. Retrieved
1583:the original
1578:
1569:
1557:. Retrieved
1553:the original
1548:
1539:
1527:. Retrieved
1523:
1513:
1502:. Retrieved
1495:the original
1440:
1434:
1422:. Retrieved
1419:keysight.com
1418:
1409:
1391:
1380:. Retrieved
1373:the original
1343:
1324:the original
1314:
1303:. Retrieved
1299:the original
1289:
1281:
1274:. Retrieved
1270:the original
1260:
1248:. Retrieved
1244:the original
1239:
1229:
1154:Evolved EDGE
1005:
986:
982:
978:
974:
950:
945:
943:
928:
921:
880:
856:
779:
767:
764:
748:
725:
708:
701:
362:
350:
342:
326:
317:
308:
293:
286:5 MHz.
276:
223:reverse link
219:forward link
216:
208:packet-based
197:
194:
179:mobile phone
163:multiplexing
134:
130:
126:
125:
69:
60:
44:
3038:5G-Advanced
3026:3GPP family
2976:IEEE family
2968:(4.5G/4.9G)
2949:3GPP family
2791:3GPP family
2719:3GPP family
2664:CDMA2000 1X
2535:CSD - HSCSD
1785:Hedy Lamarr
1609:www.cdg.org
1549:www.cdg.org
1415:"RTAP Rate"
1060:Beamforming
715:turbo-coded
3293:Categories
2892:Flash-OFDM
2274:Muni Wi-Fi
2165:Power-line
2029:Modulation
1504:2008-01-18
1382:2008-01-18
1305:2008-01-18
1159:Flash-OFDM
859:modulation
806:Modulation
786:DRC Index
389:Modulation
369:DRC Index
353:modulation
338:modulation
265:EV-DO USB
247:EV-DO USB
187:Globalstar
109:BlackBerry
89:A Kyocera
2992:WiMax 2.1
2847:CDMA2000
2340:standards
2279:Satellite
2190:Bluetooth
2170:Broadband
2145:IEEE 1901
1914:Bluetooth
1671:March 17,
1645:March 17,
1589:14 August
1424:14 August
1250:14 August
913:delivery.
801:Code Rate
384:Code Rate
214:network.
192:network.
3017:IMT-2020
2921:HiperMAN
2820:DC-HSDPA
2710:IMT-2000
2284:UMTS-TDD
2135:HomePlug
2115:Ethernet
2039:Waveform
2020:See also
1956:Qualcomm
1947:CDMA2000
1930:Cellular
1862:TD-SCDMA
1467:15430071
1399:Archived
1240:Engadget
1149:CDMA2000
1117:See also
1010:Features
989:Qualcomm
939:Qualcomm
935:CDMA2000
358:hand off
334:modulate
300:IMT-2000
296:Qualcomm
273:Colombia
271:Movistar
245:CDMA2000
175:CDMA2000
155:CDMA2000
143:wireless
3251:Osmocom
3099:History
3069:DECT-5G
3043:NR-IIoT
2488:DataTAC
2483:Mobitex
2140:HomePNA
2100:Dial-up
1961:Verizon
1909:GLONASS
1904:Galileo
1877:MC-CDMA
1872:FH-CDMA
1867:DS-CDMA
1857:TD-CDMA
1844:schemes
1806:methods
1795:More...
1781:History
1619:5 April
1559:5 April
1529:5 April
887:carrier
863:latency
679:2457.6
654:1843.2
629:1228.8
604:1228.8
309:TIA-856
159:IS-2000
91:PC Card
49:Please
3053:NB-IoT
3019:(2021)
3014:(2018)
2960:E-UTRA
2942:(2013)
2937:(2009)
2914:family
2873:family
2831:E-UTRA
2712:(2001)
2707:(1998)
2566:family
2547:family
2523:family
2509:(1991)
2440:family
2430:(1979)
2413:B-Netz
2361:(1946)
2259:iBurst
2130:Nessum
2105:DOCSIS
1937:Mobile
1895:(NASA)
1852:W-CDMA
1834:(THSS)
1822:(FHSS)
1816:(DSSS)
1465:
1455:
1276:29 May
1211:(SVDO)
1185:(OFDM)
965:TCP/IP
867:DOCSIS
850:16-QAM
828:16-QAM
692:16-QAM
642:16-QAM
579:921.6
554:614.4
529:614.4
504:307.2
479:307.2
454:153.6
396:Reqd.
259:Huawei
242:Huawei
95:router
93:EV-DO
3229:ViLTE
3224:VoLTE
3182:5G NR
3131:STDMA
3119:OFDMA
3062:Other
3048:LTE-M
3033:5G NR
2996:WiBro
2983:WiMAX
2902:WiBro
2815:HSPA+
2808:HSUPA
2803:HSDPA
2686:WiDEN
2679:Other
2582:Other
2545:3GPP2
2478:Hicap
2473:C-450
2461:Other
2378:Altai
2294:WiBro
2289:WiMAX
2234:5G NR
2218:Wi-Fi
2195:Li-Fi
2095:Cable
2088:Wired
1994:(PSD)
1941:IS-95
1935:EV-DO
1842:CDMA
1828:(CSS)
1702:3GPP2
1498:(PDF)
1491:3GPP2
1487:(PDF)
1463:S2CID
1376:(PDF)
1365:(PDF)
1215:WiMAX
1168:HSDPA
1139:3GPP2
1016:OFDMA
997:WiMAX
961:WiMAX
931:3GPP2
865:than
843:5120
837:3072
824:5/12
821:5120
815:1536
685:4096
667:8-PSK
660:3072
635:4096
610:2048
592:8-PSK
585:3072
571:-0.8
560:2048
546:-0.6
535:1024
521:-3.8
510:2048
496:-3.9
485:1024
471:-6.8
460:1024
446:-9.6
435:1024
429:76.8
410:1024
404:38.4
269:from
263:HSPA+
204:1xRTT
200:IS-95
147:radio
131:EV-DO
120:Sanyo
99:Wi-Fi
97:with
18:EV-DO
3239:ViNR
3234:VoNR
3214:MIMO
3187:CDMA
3172:UMTS
3150:SDMA
3143:CDMA
3138:SSMA
3126:TDMA
3114:FDMA
2912:ETSI
2871:IEEE
2798:HSPA
2736:FOMA
2726:UMTS
2691:DECT
2643:GPRS
2594:iDEN
2589:CDPD
2564:AMPS
2521:3GPP
2438:AMPS
2398:AMTS
2373:IMTS
2269:MMDS
2254:HSPA
2249:GPRS
2244:EVDO
2239:DECT
2155:MoCA
2150:ISDN
2125:G.hn
2120:FTTx
1982:Chip
1952:Also
1923:DECT
1673:2012
1647:2012
1621:2018
1591:2015
1561:2018
1531:2018
1453:ISBN
1426:2015
1278:2015
1252:2015
1096:CDMA
1058:and
1056:SDMA
1052:MIMO
959:and
869:and
846:5/6
775:VoIP
755:BPSK
736:HARQ
696:9.7
688:2/3
671:7.5
663:2/3
646:3.8
638:1/3
621:3.7
617:QPSK
613:2/3
596:1.8
588:1/3
567:QPSK
563:1/3
542:QPSK
538:1/3
517:QPSK
513:1/5
492:QPSK
488:1/5
467:QPSK
463:1/5
442:QPSK
438:1/5
421:-12
417:QPSK
413:1/5
351:The
183:CDMA
135:EVDO
3219:IMS
3177:LTE
3167:GSM
2827:LTE
2634:GSM
2609:CT2
2604:PHS
2599:PDC
2530:GSM
2517:GSM
2493:CT1
2468:NMT
2418:AMR
2408:ARP
2383:OLT
2368:MTS
2264:LTE
2160:PON
2110:DSL
1899:GPS
1445:doi
1204:LTE
1166:or
1001:LTE
999:or
993:LTE
957:LTE
924:LTE
871:DSL
834:14
812:13
771:QoS
746:).
676:12
651:11
626:10
407:16
394:SNR
261:3G
53:to
3295::
3012:5G
2989:)
2935:4G
2705:3G
2507:2G
2428:1G
2356:0G
1921::
1607:.
1577:.
1547:.
1522:.
1489:.
1475:^
1461:.
1451:.
1417:.
1367:.
1352:^
1332:^
1280:.
1238:.
1144:4G
1054:,
1037:IP
873:.
840:1
818:2
777:.
744:1x
682:1
657:1
632:2
607:1
601:9
582:2
576:8
557:2
551:7
532:1
526:6
507:4
501:5
482:2
476:4
457:4
451:3
432:8
426:2
401:1
313:1x
133:,
2985:(
2962:)
2958:(
2833:)
2829:(
2519:/
2330:e
2323:t
2316:v
2073:e
2066:t
2059:v
1747:e
1740:t
1733:v
1675:.
1649:.
1623:.
1593:.
1563:.
1533:.
1507:.
1469:.
1447::
1428:.
1385:.
1308:.
1254:.
896:.
157:(
129:(
76:)
70:(
65:)
61:(
47:.
20:)
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