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definición - WiBro

definición de WiBro (Wikipedia)

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Wibro Egg sold by KT, produced by Interbro
Korean name
Hangul 와이브로
Revised Romanization waibeuro
McCune–Reischauer waibŭro

WiBro (Wireless Broadband) is a wireless broadband Internet technology developed by the South Korean telecoms industry. WiBro is the South Korean service name for IEEE 802.16e (mobile WiMAX) international standard. By the end of 2012, the Korean Communications Commission intends to increase WiBro broadband connection speeds to 10Mbit/s, around ten times the current speed, which will complement their 1Gbit/sec fibre-optic network.[1]

WiBro adopts TDD for duplexing, OFDMA for multiple access and 8.75/10.00 MHz as a channel bandwidth. WiBro was devised to overcome the data rate limitation of mobile phones (for example CDMA 1x) and to add mobility to broadband Internet access (for example ADSL or Wireless LAN). In February 2002, the Korean government allocated 100 MHz of electromagnetic spectrum in the 2.3–2.4 GHz band, and in late 2004 WiBro Phase 1 was standardized by the TTA of Korea and in late 2005 ITU reflected WiBro as IEEE 802.16e (mobile WiMAX). Two South Korean Telcom (KT, SKT) launched commercial service in June 2006, and the tariff is around US$30.

WiBro base stations will offer an aggregate data throughput of 30 to 50 Mbit/s per carrier and cover a radius of 1–5 km allowing for the use of portable internet usage. In detail, it will provide mobility for moving devices up to 120 km/h (74.5 mi/h) compared to Wireless LAN having mobility up to walking speed and mobile phone technologies having mobility up to 250 km/h. From testing during the APEC Summit in Busan in late 2005, the actual range and bandwidth were quite a bit lower than these numbers. The technology will also offer Quality of Service. The inclusion of QoS allows for WiBro to stream video content and other loss-sensitive data in a reliable manner. These all appear to be (and may be) the stronger advantages over the fixed WiMAX standard (802.16a). Some Telcos in many countries are trying to commercialize this Mobile WiMAX (or WiBro). For example, TI (Italy), TVA (Brazil), Omnivision (Venezuela), PORTUS (Croatia), and Arialink (Michigan) will provide commercial service after test service around 2006–2007. While WiBro is quite precise in its requirements from spectrum use to equipment design, WiMAX leaves much of this up to the equipment provider while providing enough detail to ensure interoperability between designs.

Data speeds of WiBro
Peak Download 128 Mbit/s
Peak Upload 56 Mbit/s


  Current service

In Korea, KT (Korea Telecom) offers Wave 2 (18.4 Mbit/s, 4 Mbit/s) for 10000 KRW/mo (around $11 or €6.50) with 1 GB data usage to 40000 KRW/mo with 50 GB data usage plus free access to their own WiFi hotspots, ollehWiFi. The service coverage is advertised as nationwide, but actual coverage is restricted to every si, some railroad station, airports, and major highways. SK Telecom also offers Wave 2 WiBro Service for $18.87 a month with 30 GB data usage. Actual service coverage is limited mostly to major cities and highways.

For short term visitors, KT rents WiBro modem and bridge at KT Roaming Center in Incheon International Airport. As of September 2011, WiBro-only USB modem costs 5,000 KRW per day plus 100,000 KRW deposit, WiBro-HSPA USB modem and WiBro Egg cost 8,000 KRW per day plus 150,000 KRW deposit. One-day rent is free at KT Roaming Center, and requires credit card and passport. So far I know, you can also rent in inside Seoul, but in case of, rent in the Incheon Airport. Also it was working in Daejon, which is almost 2 hours from Seoul away by bus.

In India, Tikona Digital Networks (Independent services provider) offers WiBro service for up to 2 Mbit/s and 4 Mbit/s in many cities in India. 2 MBit/s Unlimited monthly costs Rs. 649.00 (roughly $14).


As of February 2012, KT covers about 85% of the South Korean population. SK covers Seoul and a few other major cities in South Korea. User-created coverage information maps can be found on Coverage.co.kr.

  Wibro Manufactures

  • HTC - HTC Evo 4G+
  • INFOMARK - Compact Egg (Mobile router)
  • Interbro - Egg (A mobile Wibro to Wi-Fi hotspot device brand)
  • Intel - Wibro Netbook
  • LG Innotek - Egg, USB Type Modem
  • Modacom - Egg
  • Myungmin - USB Type Modem
  • Samsung - USB Type Modem, Wibro 3G phone (SCH-M830, Show Wibro Omnia)

  Network deployment

In November 2004, Intel and Samsung Electronics executives agreed to ensure compatibility between WiBro and Mobile WiMAX technology.[2]

KT Corporation, SK Telecom and Hanaro Telecom(acquired by SK Telecom and renamed to SK Broadband) had selected as Wibro operators in January, 2005. However, Hanaro Telecom has cancelled its plan for the WiBro and returned WiBro licence in April 2005.

In September 2005, Samsung Electronics signed a deal with Sprint Nextel Corporation to provide equipment for a WiBro trial.[3]

In November 2005, KT Corporation(aka Korea Telecom) showed off WiBro trial services during the Asia-Pacific Economic Cooperation (APEC) summit in Busan.

February 10, 2006: Telecom Italia, the dominant telephony and internet service provider in Italy, together with Korean Samsung Electronics, has demonstrated to the public a WiBro network service on the occasion of the 2006 Winter Olympics, held in Turin, with downlink speed of 10 Mbit/s and uplink speed of some hundreds of kbit/s even in movement up to 120 km/h.[4]

In the same event Samsung tlc div. president Kitae Lee assured a future of 20–30 Mbit/s by the end of this year (2006) and >100 Mbit/s down/>1 Mbit/s up in 2008.[4]

KT Corporation launched commercial WiBro service on June 2006.[5]

Sprint (US), BT (UK), KDDI (JP), and TVA (BR) have or are trialing WiBro.

KT Corporation and SK Telecom launched WiBro around Seoul on June 30, 2006. More about the KT launch.[6]

On April 3, 2007, KT launched WiBro coverage for all areas of Seoul including all subway lines.

As of March, 2011, KT's WiBro coverage is expanded nationwide covering 85% of Koreans.

  See also


  1. ^ Koreans will get a gigabit per second broadband connection
  2. ^ [1][dead link]
  3. ^ "Sprint, Samsung to Explore Wireless Broadband". .sprint.com. http://www2.sprint.com/mr/news_dtl.do?id=8220. Retrieved 2008-09-11. 
  4. ^ a b [2][dead link]
  5. ^ "South Korea launches WiBro service". EE Times. 2006-06-30. http://www.eetimes.com/news/latest/showArticle.jhtml?articleID=189800030. Retrieved 2010-06-23. 
  6. ^ [3][dead link]

  External links



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