May 22, 2013

Sumitomo, NEC, NTT to aid Myanmar

Sumitomo Corp. and two of its business allies said Tuesday they have concluded a contract with the Myanmar government to build an optical fiber-based telecommunications network to link the country’s three major cities. Under the contract’s terms, Sumitomo, NEC Corp. and NTT Communications Corp. will build a core high-speed network capable of transmitting data at 30 gigabits per second linking the cities of Yangon, Mandalay and Naypyitaw via the Web. The trio will also lay down fiber-optic networks inside each of the three cities to transmit voice and other data at a speed of 10 gigabits per second. The networks will also provide such services as long-term evolution high-speed wireless communications, fixed-line phones and Internet connections. The companies will take advantage of a ¥1.71 billion grant that the government pledged to provide to Myanmar in late December, they said. They envision completing construction of all necessary facilities by the end of November and providing operational support between December and mid-January to enable Myanmar people to utilize the new facilities. MAY 22, 2013 The best telecomm accessories supply Original Articles here

May 13, 2013

Lantiq Sampling 3x3 MIMO For Faster VDSL Gateways

Supporting existing VDSL chip, extending bonding. Imran Hajimusa of Lantiq had a great demo of 4 HD channels streaming over WiFi a while back. They are now sampling and about to ship this improved WiFi, 3x3 MIMO 802.11n, a technology they purchased from Metalink. They've also upgraded their bonding capacity, which now can use VDSL profiles 17 & 30 for two line download speeds of 150-200 megabits over short loops. Their previous VDSL bonding could only do up to profile 8, for speeds under 100 megabits. Telcos are screaming for reliable TV grade WiFi. I've heard claims as many as 50% of service calls are due to WiFi rather than DSL problems. When you carry you iPad to the bedroom upstairs, you don't want to lose the football game stream. Dirk Wieberneit of Lantiq reports raw WiFi speeds normally are fine, but don't often reach far enough into the home. The 3 antennas of their MIMO chips allow further reach with beamforming Higher connection speeds require more processing power in the gateway. VTel discovered, for example, that nearly all home "gigabit" routers peaked out at about 300 meg. Since they are delivering a true gigabit. that wasn't acceptable. http://bit.ly/10ukHRp iPads and second multiple HD TVs around the house increase the local bandwidth needs. Swisscom, using the related 4x4 MIMO, rarely has problems with wireless HD TV around the home. Hajimusa believed that in real environments the four antennas of 4x4 made little difference. The folks at Quantenna, shipping 4x4, disagree. I don't have results from the fields by carriers on the effectiveness of 3x3 MIMO and so can't judge. Hajimusa is now at NXP as new management has taken over at Lantiq. From the company. XWAY™ VRX300 Family – Ultra-Fast Access Network Speeds With 200 Mbps Bonding and up to 150 Mbps Vectoring Paired With Industry-Leading Integration and Flexibility for In-home Networking VDSL2-ready CPE system shipments are forecast by IHS iSuppli to grow from about 22 million in 2012 to more than 57 million in 2016. While market Researchers predict strong growth rates for VDSL, Lantiq already today delivers leading edge VDSL2 systems. The Lantiq VRX300 Chip Set Family drives down system costs while improving access and in-home network performance. With the VRX300 Chipset, we are again raising the bar to help equipment providers meet ever tougher requirements and reinforce the competitive position of carriers.Monday, 13 May 2013 11:49 First tier telecomm accessories supply Original Article here

May 8, 2013

60 Down, 18 Up As VDSL Comes To France

Many lines do not significantly improve. As predicted, ARCEP is allowing French networks to upgrade to VDSL2. Free.fr has been using VDSL chips in DSLAMs and the Freebox for a while, so instantly could go into testing. One lucky customer tested “Gross rate: 68420 kbp/s - 17852 kbp/s.” (Freenews) A second customer at 1500 meters actually saw a (small) drop in speed. By ARCEP estimate, only a modest minority of customers will benefit. Minister Fleur Pellerin remains committed to a wide fiber rollout. Visiting France, she endorsed Stephen Conroy’s fiber network. ““I’m very impressed by your plan to develop very high speed broadband in Australia.High speed broadband is a very important factor in the attractiveness of a country and that’s why we chose also the best technology. In fibre to the home you don’t lose signal according to the distance so it’s the best technical solution.” http://bit.ly/11kiLlK France is still committed to fibering most of the country. Wednesday, 08 May 2013 17:06 First tier telecomm accessories supply Original Article here