BLOCO
Blog dos Coordenadores ou Blog Comunitário
da
ComUnidade
WirelessBrasil
Março 2010 Índice Geral do BLOCO
O conteúdo do BLOCO tem forte vinculação com os debates nos Grupos de Discussão Celld-group e WirelessBR. Participe!
01/03/10
• "Março com 4G" (02) - José Smolka indica
dois artigos: "Sprint and Verizon head-to-head in '4G' " e "Clearwire's Mexican
alliance in doubt after regulator decision"
Olá, ComUnidade
WirelessBRASIL!
Agradeço ao nosso José Smolka
o pronto atendimento à Chamada Geral para o evento virtual comunitário "Março
com 4G".
Esta é exatamente uma das idéias: indicação de textos, com um pequeno (mas pode
ser grande!) comentário para motivar a leitura. :-)
Para quem está chegando agora do fim de semana,
aqui estão os "posts" anteriores sobre o Evento: :-)
01/03/10
•
"Março com
4G" (01) - Início do evento virtual, fechando o verão... + Jana de Paula: "WiMAX
ingressa numa nova etapa, mais complexa"
28/02/10
•
Chamada
Geral (2) - Evento comunitário "Março com 4G"
•
Chamada Geral (1) para um Evento Comunitário sobre WiMAX, 4G, Etc...
Aguardamos a participação de todos!
Animação, ComUnidade! :-)
Boa leitura!
Um abraço cordial
Helio
Rosa
----------------------------------------------
de J. R. Smolka <smolka@terra.com.br>
para wirelessbr <wirelessbr@yahoogrupos.com.br>, Celld-group <Celld-group@yahoogrupos.com.br>
data 1 de março de 2010 10:57
assunto [Celld-group] Colaborando com o "março com 4G"
Pessoal,
Atendendo ao "chamamento" do Hélio, vou repercutir para vcs dois artigos que
saíram hoje no site Rethink Wireless.
O primeiro
evidencia a disputa de mercado entre os dois "campeões" das tecnologias 4G (WiMAX
e LTE) na disputa pelo mercado e mindshare dos EUA.
O segundo
trata de como algumas "jogadas" podem estar sendo feitas em outros mercados para
dificultar a vida do WiMAX, que tem uma clara vantagem, em termos de time to
market, em relação ao LTE.
Boa Leitura...
[ ]'s
J. R. Smolka
--------------------------
Fonte: Rethink Wireless
[01/03/10]
Sprint and
Verizon head-to-head in '4G' - by Caroline Gabriel
The '4G' race is well and truly underway in the US, with Sprint and Verizon
Wireless both talking up their expansion plans for 2010 and beyond - the former
riding on the WiMAX network of its Clearwire joint venture, the latter kicking
off its LTE roll-out.
Sprint sees its Sprint 4G WiMAX/CDMA service as increasingly strategic for
growth in margins and high value customer acquisition, at a time when both
metrics are faltering in its 3G business. This year, it will add services in the
cities of Boston, Denver, Kansas City, Houston, Minneapolis, New York, San
Francisco and Washington DC, plus some smaller markets. This will add to the 27
cities where the offering is already available. It is not only targeting
consumers, but the growing machine-to-machine segment. Matt Carter, president of
4G at Sprint, said that, in particular, transportation, healthcare and public
safety would be strong markets for WiMAX embedded services.
Meanwhile, Verizon Wireless will double the number of its LTE markets to between
50 and 60, by the end of 2011. This was the latest update from CTO Tony Melone,
who said Verizon would achieve this figure 15 months after initial commercial
launch, which is now expected in the second half of 2010. The carrier plans to
cover 25 to 30 markets before the end of this year and then add LTE to its whole
3G footprint - about 94% of its sites - by the end of 2013.
In an interview with Network World, Melone said Verizon would also bring LTE
into play to fill gaps in the 3G coverage, especially in rural areas, using the
propagation qualities of its 700MHz spectrum.
The operator expects to offer average data rates of 5-12Mbps download and 2-5Mbps
upload. It is currently evaluating devices, including about eight dongles.
Melone said int he interview: "We continue to conduct validation testing in
conjunction with initial commercial deployments. We expect that technology
testing and assessments will continue as the LTE technology and standards are
advanced."
Verizon and AT&T continue to slug it out in the advertising campaigns for their
3G services, but Sprint hopes to steal a march on both with its new slogan, 'What
can you do with 4G?'. This revolves around promises that the WiMAX system can
deliver 10 times better speeds than 3G, and will run over television, print and
web ads. It features Sprint's Overdrive 3G/WiMAX personal hotspot, which allows
a mobile broadband connection, and subscription, to be shared among several
Wi-Fi devices.
-------------------------
Fonte: Rethink Wireless
[01/03/10]
Clearwire's Mexican alliance in doubt after regulator decision - by Caroline
Gabriel
Clearwire is busily cultivating strategic relationships round the world, to
improve its scale, roaming and device knowhow. Deals in China and India are
mooted, and it has spectrum and/or partnerships in various markets in Europe and
the Americas. However, the regulator may have ruined an apparently promising
alliance in Mexico.
The country's regulator, Cofetel, has decided not to renew the 2.5GHz spectrum
license held by MVS Comunicaciones. This was initially awarded for MMDS
broadcasting services but MVS has been using its band for broadband wireless too,
and planned a major WiMAX roll-out in partnership with Clearwire. This would
also create a roaming bloc in 2.5GHz that would extend across the US, Canada
(via the Inukshuk partnership) and Mexico.
But Cofetel claims that MVS has failed to use its spectrum allocation
sufficiently to justify keeping its license - poor timing, as this was one
challenge Clearwire's support was designed to address. After various preliminary
rulings and appeals, this appears to be a final judgement. Cofetel also departed
from the stance of technology neutrality that is becoming more common among
regulators worldwide, and suggested the 2.5GHz band might be better used for LTE.
MVS had previously argued that the state's indecision over whether to renew its
licenses had held up investments in deploying new services. Three months ago it
announced a $700m deal with Clearwire, which has been quietly cultivating
relationships around Latin America over the years, often cooperating with
smaller 2.5GHz players such as WebSky. The funding was to support an ambitious
plan to launch WiMAX services in 23 cities, a program also backed by Intel. The
hope was to kickstart WiMAX growth in Mexico, where there is pent-up demand for
mobile broadband because of repeated delays in 3G auctions, now set for later
this year.
The regulator plans to run new 2.5GHz auctions in tandem with those in 1.9GHz
and 1.7GHz-2.1GHz for 3G. This is an increasingly common tactic in emerging
nations where 3G does not yet exist, offering the potential for operators to
create flexible 3G/4G roll-out plans that could provide better return on
investment, and better targeted capacity, than a single-technology plan.
Although 2.5GHz (MMDS) and 2.3GHz frequencies have been in use in Mexico for
years, many licenses were originally allocated for broadcasters, and need to be
reviewed as part of the new spectrum auction process. Mexico also allocated
3.5GHz broadband wireless licenses in 2003.
MVS is a provider of television, radio, publishing and broadband services and is
the majority partner in Dish Mexico, a satellite TV joint venture with US-based
EchoStar. Its existing 2.5GHz networks in Mexico City, Guadalajara, Monterrey,
Toluca and Mexicali offer business, consumer and VoIP services, some direct but
many via MVNOs and leasing partners such as AT&T venture Alestra and ISP Ego. It
also has roaming agreements with other WiMAX /NextNet users like Clearwire and
Canada's Inukshuk.
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