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(20-11-2011, 09:31 AM)Gregg Wrote: [ -> ]Anyone has information regarding startuh capital expenditure on LTE as I have keep seeing Singtel always talk about LTE.....

Interesting read on what StarHub had implemented in their path towards LTE, but no $$$ figures,

http://www.nokiasiemensnetworks.com/port...ure-of-lte

In PDF (if you want to save a copy),

http://www.nokiasiemensnetworks.com/site...Tunnel.pdf



thank you kopicat. this explains why their capex was much much lower and perhaps they can clear the debts and increase dividends.
(20-11-2011, 06:21 PM)KopiKat Wrote: [ -> ]
(20-11-2011, 09:31 AM)Gregg Wrote: [ -> ]Anyone has information regarding startuh capital expenditure on LTE as I have keep seeing Singtel always talk about LTE.....

Interesting read on what StarHub had implemented in their path towards LTE, but no $$$ figures,

http://www.nokiasiemensnetworks.com/port...ure-of-lte

In PDF (if you want to save a copy),

http://www.nokiasiemensnetworks.com/site...Tunnel.pdf
Thanks....great article....Big Grin
Found more Starhub LTE stuff dated 6-Sep-11,

http://www.zdnetasia.com/lte-roaming-not...301950.htm

LTE roaming 'not an issue' in APAC

SINGAPORE--Fragmentation of long term evolution (LTE) spectrum will impact roaming among Asia-Pacific countries less than it would worldwide roaming, said an industry observer.

During his presentation at LTE Asia 2011, Charles Moon, principal analyst for the Asia-Pacific region at Informa Telecoms and Media, said LTE roaming among Asia-Pacific countries will "probably not be an issue" because most countries have overlaps in LTE spectrum in the 700MHz, 1800MHz and 2600MHz bands.

However, spectrum fragmentation could hinder global roaming of LTE, he said, adding that there is currently a lack of clarity surrounding the issue.

That said, Singapore-based Moon believes that the 2100MHz band has the potential to be adopted as a standard for LTE spectrum. This is due to support by Japanese operators, he said, adding that there is also interest in this spectrum from Southeast Asian countries.

However, Singapore-based mobile operator StarHub sees "tremendous opportunity" for adoption of LTE in the 1800MHz range. Peter Cook, vice president of mobile network engineering at StarHub said 351 operators in 148 countries have licenses to use the spectrum.

The company has opted to devote parts of its 2G 1800MHz band for its LTE network trials, he added.

By refarming its 1800MHz spectrum, StarHub was able to reuse its existing infrastructure by upgrading its base station--a "straightforward" exercise--to support both 2G and LTE, said Cook.

According to Cook, StarHub trialed both 1800MHz and 2600MHz spectrum and found that the lower frequency spectrum was able to extend much farther and provided better in-door coverage.

He added that the company also saw cost savings as there was no need to purchase new spectrum.

Exponential data growth, driven by mobile devices and video, was the reason StarHub turned to LTE. However, Cook noted that reduction in network cost was another driver in its adoption of LTE.

Cook said measured by per-bit cost, the LTE network was able to save 20 percent of its original HSPA (High-speed packet access) network.

He added that StarHub will commercialize its LTE offerings in the fourth-quarter of 2011.

Rival operator M1 is currently the only Singapore operator offering LTE. Its coverage is focused on the city-state's commercial area.

Using 3G adoption as a lesson, Cook said the company has decided to wait for LTE devices to launch instead of forging ahead with a new network.


Hong Kong-based mobile operator CSL took a different route. The company launched out its LTE service to commercial customers in July 2010 with a full rollout to all customers last month.

Mark Liversidge, CSL's chief marketing officer, said by being the first to market LTE services, CSL gained a "time-based advantage" over its competitors in capturing the mindshare of customers in Hong Kong.

The company is aggressively moving its customers to its LTE network. Liversidge said. Since August, CSL has withdrawn its 3G packages off the market and currently only offers LTE for new sign-ups.

CSL also offers its customers subsidies for LTE handsets, which are more expensive than 3G devices. Liversidge noted that in the long run it would be profitable for CSL because the cost of serving LTE customers is lower than 3G.

Liversidge, however, lamented that global mobile phonemakers are not grabbing the LTE opportunity. He gathered from briefings with handset vendors that the 4G technology is not a priority for them.

When it comes to delivery of LTE devices, vendors often miss their deadlines, he pointed out.

Liversidge urged phonemakers not to wait for economies of scale before releasing LTE handsets for the mass market. Instead, they should grab the opportunity to tap sophisticated networks that are already in commercial use, such as CSL's, he said.
Quote:According to Cook, StarHub trialed both 1800MHz and 2600MHz spectrum and found that the lower frequency spectrum was able to extend much farther and provided better in-door coverage.
By law of physics, the lower the frequency the easier for the radio waves to diffract or bend and also less attenuation due to atmospheric conditions. It is probably cheaper to employ a physicist to calculate than to conduct a trial Big Grin

But.. by the law of physics, less data can be transmitted via lower frequency wave...

u won't be able to identify problems by using theory because based on the level of obstruction would lower frequency be more distorted?

sorry physics noob here.
(21-11-2011, 12:10 PM)Drizzt Wrote: [ -> ]u won't be able to identify problems by using theory because based on the level of obstruction would lower frequency be more distorted?

sorry physics noob here.

higher frequency are more affected by objects between line of sight. remember the days of gsm1800? indoors reception is worse than classic gsm900
if i am not wrong, higher frequency is required to increase data rate. unless you want to use LTE for GPRS kinda rate, otherwise, should always use higher frequency.
(21-11-2011, 09:02 PM)bb88 Wrote: [ -> ]higher frequency are more affected by objects between line of sight. remember the days of gsm1800? indoors reception is worse than classic gsm900

freedom Wrote:if i am not wrong, higher frequency is required to increase data rate. unless you want to use LTE for GPRS kinda rate, otherwise, should always use higher frequency.

Ah... when in doubt, always look for the answers from good ol' wikipedia,

http://en.wikipedia.org/wiki/Cellular_network

Cellular frequency choice in mobile phone networks

The effect of frequency on cell coverage means that different frequencies serve better for different uses. Low frequencies, such as 450 MHz NMT, serve very well for countryside coverage. GSM 900 (900 MHz) is a suitable solution for light urban coverage. GSM 1800 (1.8 GHz) starts to be limited by structural walls. UMTS, at 2.1 GHz is quite similar in coverage to GSM 1800.

Higher frequencies are a disadvantage when it comes to coverage, but it is a decided advantage when it comes to capacity. Pico cells, covering e.g. one floor of a building, become possible, and the same frequency can be used for cells which are practically neighbours.

Another informative link for those keen on knowing more about 4G,

http://en.wikipedia.org/wiki/4G

I think I could only understand the Data Rate Comparison Table right at the bottom of the link. Tongue

Also,

http://en.wikipedia.org/wiki/Comparison_..._standards
http://en.wikipedia.org/wiki/3GPP_long_term_evolution

I think I better stop posting more links as it appears to be getting OT Big Grin


http://www.todayonline.com/Singapore/EDC...12-matches

Price dive sharply today, not too sure is it because of this new?....
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