By Erik Dahlman
Reflecting the hot finishing touch of LTE's specification, the hot version of this bestseller has been totally up to date to supply a whole photograph of the LTE procedure. the most recent LTE criteria are incorporated at the radio interface structure, the actual layer, entry techniques, MBMS, including 3 fresh chapters on LTE Transmission techniques, versatile Bandwidth in LTE and LTE evolution into IMT-Advanced. Key applied sciences awarded contain multi-carrier transmission, complex single-carrier transmission, complex receivers, OFDM, MIMO and adaptive antenna suggestions, complicated radio source administration and protocols, and various radio community architectures. Their function and use within the context of cellular broadband entry more often than not is defined. either a high-level evaluation and extra precise step by step reasons of HSPA and LTE implementation are given. an summary of alternative similar structures akin to TD SCDMA, CDMA2000, and WiMAX is additionally supplied. the recent version has up to date insurance of the lately released LTE free up eight radio-access commonplace, giving the reader perception into the continued and destiny means of LTE and LTE-Advanced standardisation. insurance on LTE during this variation contains ( overall of 270 pages on LTE): Easy-to-access review of the LTE protocol layers entire description of LTE actual layer together with reference signs, regulate signalling, multi-antenna transmission schemes Covers either FDD and TDD, their primary distinction and their effect at the LTE layout precise description of entry strategies together with phone seek, random entry, broadcast of method info Transmission techniques, together with retransmission protocols, scheduling, uplink energy keep an eye on Evolution in the direction of IMT-Advanced ("4G") "Reading a specification calls for a few attempt. After analyzing the spec, you'll be aware of WHAT to transmit, yet no longer WHY and the way. this can be the place our e-book turns into very important. not just does it supply an easy-to-read description of the indications, systems, and mechanisms in LTE, it additionally tells you WHY a undeniable sign, channel or strategy is current and the way it truly is used. After examining the e-book, you might have an excellent knowing on how LTE works and why it's designed how it is." - the authors The authors of the e-book all paintings at Ericsson examine and are deeply all in favour of 3G improvement and standardisation because the early days of 3G examine. they're major specialists within the box and are at the present time nonetheless actively contributing to the standardisation of either HSPA and LTE inside 3GPP. This contains information of the criteria and applied sciences (160 new pages): LTE radio interface structure, LTE actual layer and LTE entry methods. comprises information of the factors and applied sciences (160 new pages): LTE radio interface structure, LTE actual layer and LTE entry proceduresContains 3 fresh chapters on LTE: Transmission systems, versatile Bandwidth and LTE Evolution and improved information at the actual layer (total LTE content material is 270 pages)Examines the newest advancements within the evolution of LTE into IMT-Advanced, the subsequent level of 3G EvolutionGives transparent causes of the position of OFDM and MIMO applied sciences in HSPA and LTEOutlines the approach structure Evolution (SAE) assisting LTE and HSPA evolution
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Extra resources for 3G Evolution, Second Edition: HSPA and LTE for Mobile Broadband
Detailed specifications, where every interface is specified in detail. 4. Testing and verification, where the interface specifications are proven to work with real-life equipment. These phases are overlapping and iterative. As an example, requirements can be added, changed, or dropped during the later phases if the technical solutions call for it. Likewise, the technical solution in the detailed specifications can change due to problems found in the testing and verification phase. Standardization starts with the requirements phase, where the standards body decides what should be achieved with the standard.
The organizational partners are obliged to identify regional requirements that may lead to options in the standard. Examples are regional frequency bands and special protection requirements local to a region. The specifications are developed with global roaming and circulation of terminals in mind. This implies that many regional requirements in essence will be global requirements for all terminals, since a roaming terminal has to meet the strictest of all regional requirements. Regional options in the specifications are thus more common for base stations than for terminals.
Of these 230 MHz of 3G spectrum, 2 ϫ 30 MHz were intended for the satellite component of IMT–2000 and the rest for the terrestrial component. Parts of the bands were during the 1990s used for deployment of 2G cellular systems, especially in the Americas. ’ Spectrum for IMT–2000 was also identified at the World Radiocommunication Conference WRC-2000 in Resolutions 223 and 224, where it was considered that an additional need for 160 MHz of spectrum for IMT-2000 was forecasted by ITU-R. The identification includes the bands used for 2G mobile systems in 806–960 MHz and 1710–1885 MHz, and ‘new’ 3G spectrum in the bands 2500– 2690 MHz.