LTE for UMTS: Evolution to LTE-Advanced by Dr Harri Holma, Dr Antti Toskala

By Dr Harri Holma, Dr Antti Toskala

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In the US part of the band has already been auctioned. In Asia, the band plan for 698–806 MHz is expected to cover 2 × 45 MHz FDD operation. 2 GHz (C-band). 8 GHz sub-band for IMT in Europe and in Asia-Pacific. This spectrum can facilitate the deployment of larger bandwidth of IMT-Advanced to provide the highest bit rates and capacity. 4 GHz band was also identified for IMT but this band is not expected to be available in Europe or in the Americas. This band was identified for IMT-2000 in China at the WRC-2000.

Release 5 followed with High Speed Downlink Packet Access (HSDPA) in March 2002 and Release 6 with High Speed Uplink Packet Access (HSUPA) in December 2004 for WCDMA. Release 7 was completed in June 2007 with the introduction of several HSDPA and HSUPA enhancements. 1 freezing), which brought further HSDPA/HSUPA improvements, often referred to jointly as High Speed Packet Access (HSPA) evolution, as well as the first LTE Release. A more detailed description of the WCDMA/HSPA Release content can be found in Chapter 17 covering Release 8, 9 and 10 and in [1] for the earlier releases.

Edited by Harri Holma and Antti Toskala. © 2011 John Wiley & Sons, Ltd. Published 2011 by John Wiley & Sons, Ltd. 1 2011 Release 10 2012 Release 11 3GPP LTE Release schedule up to Release 11 The earlier 3GPP releases are related to the LTE in Release 8. Several novel features, especially features adopted in HSDPA and HSUPA, are also used in LTE. These include base station scheduling with physical layer feedback, physical layer retransmissions and link adaptation. The LTE specifications also reuse the WCDMA design in the areas where this could be done without compromising performance, thus facilitating reuse of the design and platforms developed for WCDMA.

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