By Erik Dahlman
This very updated and sensible ebook, written via engineers operating heavily in 3GPP, supplies perception into the most recent applied sciences and criteria followed through 3GPP, with exact factors of the categorical strategies selected and their implementation in HSPA and LTE.
The key applied sciences offered contain multi-carrier transmission, complex single-carrier transmission, complicated receivers, OFDM, MIMO and adaptive antenna recommendations, complex radio source administration and protocols, and diverse radio community architectures. Their position and use within the context of cellular broadband entry generally is defined. either a high-level evaluation and extra particular step by step motives of HSPA and LTE implementation are given. an summary of alternative comparable structures similar to TD SCDMA, CDMA2000, and WIMAX is usually provided.
This is a 'must-have' source for engineers and different execs operating with mobile or instant broadband applied sciences who want to know the best way to make the most of the hot know-how to stick prior to the competition.
The authors of the ebook all paintings at Ericsson examine and are deeply fascinated with 3G improvement and standardisation because the early days of 3G examine. they're prime specialists within the box and are this day nonetheless actively contributing to the standardisation of either HSPA and LTE inside of 3GPP.
* provides the 1st clarification of the radio entry applied sciences and key overseas criteria for relocating to the following level of 3G evolution: absolutely operational cellular broadband
* Describes the hot applied sciences chosen through the 3GPP to grasp excessive velocity Packet entry (HSPA) and long-term Evolution (LTE) for cellular broadband
* supplies either higher-level overviews and targeted reasons of HSPA and LTE as laid out in 3GPP
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Extra resources for 3G Evolution: HSPA and LTE for Mobile Broadband
Background of 3G evolution R99 December 1999 • CS and PS • R99 Radio Bearers • MMS • Location Services etc. 3 Rel-4 March 2001 • Enhancements • TD-SCDMA etc. 11 Rel-5 March 2002 • HSDPA • IMS • AMR-WB Speech etc. Rel-6 March 2005 • Enhanced Uplink • MBMS • WLAN-UMTS Interworking etc. Rel-7, 8, ... • LTE • SAE • HSPA Evolution etc. Releases of 3GPP specifications for UTRA. With the studies of an Evolved UTRAN (LTE) and the related System Architecture Evolution (SAE), further steps are taken in terms of broadband capabilities.
However, in practice only a limited set of bandwidths can be used since otherwise the RF and filter design would be too costly. 5, 5, 10, 15, and 20 MHz spectrum allocations. The spectrum flexibility support with the possibility to operate in other bandwidths than 5MHz makes LTE very attractive for operators. The low-bandwidth operations are suitable for refarming of spectrum (for example GSM spectrum and CDMA2000 spectrum). The higher-bandwidth options are suitable for new deployments in unused spectrum, where it is more common to have larger chunks of contiguous spectrum.
With an international system such as NMT came the concept of ‘roaming,’ giving a service also for users traveling outside the area of their ‘home’ operator. This also gave a larger market for the mobile phones, attracting more companies into the mobile communication business. The analog cellular systems supported ‘plain old telephony services,’ that is voice with some related supplementary services. With the advent of digital communication during the 1980s, the opportunity to develop a second generation of mobile-communication standards and systems, based on digital technology, surfaced.
3G Evolution: HSPA and LTE for Mobile Broadband by Erik Dahlman