Evolved HSPA

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HSPA+, also known as Evolved High-Speed Packet Access is a wireless broadband standard defined in 3GPP release 7.

HSPA+ provides HSPA data rates up to 56 Mbit/s on the downlink and 22 Mbit/s on the uplink with MIMO technologies and higher order modulation (64QAM). MIMO on CDMA based systems acts like virtual sectors to give extra capacity closer to the mast. The 56Mbit/s and 22Mbit/s represent theoretical peak sector speeds. The actual speed for a user will be lower. At cell edge and even at half the distance to the cell edge there may only be slight increase compared with 14.4 Mbit/s HSDPA unless a wider channel than 5 MHz is used. Future revisions of HSPA+ support up to 168Mbps using multiple carriers.

HSPA+ also introduces an optional all-IP architecture for the network where base stations are directly connected to IP based backhaul and then to the ISP's edge routers. The technology also delivers significant battery life improvements and dramatically quicker wake-from-idle time - delivering a true always-on connection. HSPA+ should not be confused with LTE, which uses a new air interface.

As of November 2009, there are 20 HSPA+ networks running in the world at 21Mbit/s and two are running at 28Mbit/s. The first to launch was Telstra in Australia in late 2008, with Australia-wide access in February 2009 with speeds up to 21Mbit/sec.

Evolved HSPA specifies all-IP architecture

An all-IP architecture is an option within HSPA+. Base stations connect to the network via standard gigabit Ethernet to the ISP's edge routers connected to the internet or other ISP via peering arrangements. This makes the network faster, cheaper to deploy and operate.

However the legacy architecture is still possible with the Evolved HSPA. This 'flat architecture' communicates 'user plane' IP directly from the base station to the GGSN IP router system, using any available link technology. It is defined in 3GPP TR25.999. User IP data bypasses the Radio Network Controller (RNC) and the SGSN of the previous 3GPP UMTS architecture versions. This is a major step towards the 3GPP Long Term Evolution (LTE) flat architecture as defined in the 3GPP standard Rel-8. In essence the flat architecture turns the cellular base station into an IP router. It connects to the Internet with cost effective modern IP link layer technologies like Ethernet, and for user plane data it is not tied to the SONET/SDH infrastructure or T1/E1 lines anymore.

Internet HSPA or I-HSPA is Nokia Siemens Networks product concept implementing Evolved HSPA.

Deployment

  • On 10 June 2008 Australia's Telstra Next G network was the first to enable some features of HSPA+.
  • On 5 December 2008, the first 21 Mbit/s (downlink) and 5.8 Mbit/s (uplink) data link was established on a commercial network (Telstra).
  • On 23 October 2008, the first wireless data devices for the HSPA+ standard were announced. The devices, developed by Sierra Wireless in collaboration with Netcomm, Telstra, Qualcomm, and Ericsson, offer peak download speeds of 21 Mbit/s over Telstra’s Next G network – three times faster than currently available HSPA modems.
  • New Zealand's 2degrees Mobile network has announced it will use HSPA+.
  • On 2 December 2008, PCCW, the largest telecommunications company in Hong Kong publicly demonstrated their "PCCW NextGen Network" based on HSPA+ technology. The company will market its new HSPA+ network together with next generation gigabit fiber landline internet service in a bundle, and products are scheduled to be released to the mass market in early 2009.
  • On 8 January 2009, StarHub, a telecommunication provider in Singapore, commenced the upgrade of its mobile broadband network to HSPA+, following a successful live demonstration of its capability to deliver 21 Mbit/s on the downlink. This is 1.5 times higher than its current network capacity of 14.4 Mbit/s. By 2Q-2009, StarHub’s mobile broadband network will be HSPA+ ready for commercial rollout nationwide.
  • On 23 March 2009, Austrian mobile operator A1 - mobilkom austria started a commercial HSPA+ Network in Europe.
  • On 30 March 2009, CSL Limited, Hong Kong’s leading mobile operator, unveiled the first commercial launch of HSPA+ in Hong Kong, provided up to 21 Mbit/s on the downlink and offers the widest coverage providing unrivaled mobility and performance..
  • On 4 April 2009, Dialog Telekom, Sri Lanka's largest current HSPA provider announced its update to HSPA+ will be completed soon. And now they are implemented a test network in Colombo
  • On 20 May 2009, Cosmote in Greece announced that it started offering HSPA+ speeds up to 21Mbps in parts of its HSPA network in central Athens and Thessaloniki with other areas to be upgraded soon. Cosmote was also the launch market for ZTE's new HSPA+ data card product. [1]
  • On 29 May 2009, Alfa's CEO and chairman announced that Lebanon is going to be among the first countries in the world to launch the HSPA plus technology by the end of the year. This would make the country the first in the Middle East to offer this advanced service.
  • On 4 June 2009, the president of DAVE Wireless, a future wireless provider in Canada, revealed that the company would be deploying a HSPA+ network covering several major cities in the country.
  • On 7 June 2009, Vodafone Greece announced that they are launching 21,6Mbps speeds in the downlink and 5,7Mbps speed in the downlink for the first time (sic) in the greek market. Those speeds are initially going to be available in Athens and coverage is going to be expanded continuously. [2]
  • On 27 June 2009, Vodafone Portugal launched a HSPA 64QAM service at 21.6 Mbps. Two days later Optimus and TMN also launched the same service in Portugal
  • On September 1, 2009, Zapp Romania announced a national deployment of HSPA+ in Romania. The service will be available starting October 2009 in major cities.
  • On September 3, 2009, Vodafone Romania announced the launch of commercial HSPA+ service in Bucharest area with plans of extending the network in major cities throughout Romania.
  • On September, 2009, Mobiltel announced a national deployment of HSPA+ in Sofia area with commercial launch on 17 September and plans of extending the network in major cities throughout Bulgaria.
  • On November 4 and 5, 2009, Canadian providers Bell Mobility and Telus Mobility respectively launched their HSPA+ networks, running alongside their existing EVDO networks.
  • On November 4, 2009, Indonesia's largest mobile phone operator, Telkomsel launched their HSPA+ service to its post paid customers in the Greater Jakarta area called Next Gen Flash [3].
  • On November 15, 2009, Telefonica Moviles announced a national deployment of HSPA+ in Spain, Argentina and Venezuela, for launching on 2010.
  • On November, 2009, Cyfrowy Polsat with Sferia and Aero2 in Poland launched their HSPA+ network to its customers. The network uses UMTS850 and UMTS900 bands and is available in all major cities through the country and also in villages located in southern Poland.
  • On 1 December, 2009, Plus GSM - polish mobile phone operator launched own HSPA+ network in eleven Polish cities.
  • T-Mobile USA has announced its network will support HSPA+ and most upgrades should be completed by the end of 2010. As of December 15, 2009, T-Mobile USA are testing in their Philadelphia market.
  • Mobitel, the mobile arm of Sri Lanka Telecom has announced its successful trial on HSPA+ on 20 December 2009. Mobitel is the 2nd Sri Lankan operator to trial HSPA+ after Dialog Telekom HSPA+ deplyment in April 2009.
  • on january 10, 2010, mobily - saudi mobile operator - launched own HSPA+ network in 337 cities in saudi arabia.

See also

  • HSPA+ Upgrade in Sri Lanka [4]
  • Sri Lanka; Local 28.8 Mbps downlink HSPA trial a 'success'[5]


External links

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