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Summary:

Ericsson today said it will power EMOBILE’s 42 Mbps dual cell HSPA network in Japan, expected to launch in major cities before year-end. The upgraded network will be Japan’s first use of dual cell HSPA, or DC-HSPA, which pairs channels together for faster wireless speeds.

Ericsson equipment will power a 42 Mbps HSPA network for Japanese carrier EMOBILE, which is expected to launch the super-fast network in major cities before the end of this year. Ericsson said today that its gear will be deployed in Tokyo, Tokai and Osaka, among other major metropolitan areas. The upgraded EMOBILE network can offer such fast speeds because it will use a dual-cell HSPA solution, allowing the consumer to receive data over two blocks of spectrum simultaneously.

Thanks to the dual-cell HSPA (DC-HSPA) technology, EMOBILE’s new data offering will roughly double that of T-Mobile’s current HSPA+ network in the United States. Once EMOBILE completes this DC-HSPA implementation, it will be the first Japanese dual-cell HSPA network. Telecom gear-maker Ericsson first demonstrated the dual-cell technology at the 2009 Mobile World Congress and, at that time, expected commercial deployments would take place by the end of 2010.

Although the EMOBILE implementation of DC-HSPA doesn’t support MIMO, or multiple-input-multiple-output, technology, future versions will, Ericsson says. By simultaneously sending two data streams to a pair of antennas on the same frequency, a DC-HSPA network with MIMO support will double theoretical wireless broadband speeds to 84 Mbps. Both 3 Scandinavia and Telstra are looking at 2011 deployments for a 84 Mbps-capable network upgrade. For many operators, this will be a handy way to hold off on deploying Long Term Evolution (LTE) networks while the 4G technology and market matures.

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  1. Bulgarian operator M-Tel (part of Telekom Austria) also launched their 42 mbps network today. It’s only in the capital city Sofia and they expected to offer compatible USB modems by the end of the year.

    http://mtel.bg/mobiltel/press.php?id=720

  2. Japan Building An Insanely Fast Wireless Network | Shelly Palmer – helping you live and work in a digital world Tuesday, July 6, 2010

    [...] Japan To Build Insanely Fast Wireless Network: Japan’s EMOBILE has made a deal with Ericsson to build a new 42Mbps wireless network. And, they even have a workable plan to crank it up to 84Mbps after it launches. That’s so remarkably fast, we don’t have anything to compare it to in the United States. Luckily the government just allotted an additional $800 million to the nationwide broadband effort; even so, we may still be left in the dust. [...]

  3. Sprint Going LTE Makes Sense, But Not a T-Mobile Merger Tuesday, July 13, 2010

    [...] complete a 21 Mbps HSPA+ rollout, which can theoretically support faster speeds of 42- and 84 Mbps, but requires more investment for the fastest speeds. A better strategy may be to partner with Sprint in a transition to LTE, which would create a [...]

  4. As Need For Mobile Speed Grows, 3.5G Networks Boom Thursday, August 12, 2010

    [...] of HPSA+ (64QAM) has a top theoretical speed of around 21 Mbps, in some cases phone companies (like Japan’s EMobile) are using different kinds of technology tricks (dual carrier, MIMO) to boost this speed by up to [...]

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