By Magnus Olsson and Catherine Mulligan (Eds.)
Get a accomplished and particular perception into the advanced Packet center (EPC) with this transparent, concise and authoritative consultant - a completely up to date moment variation that covers the newest criteria and developments
KEY positive aspects
. the single publication to explain and clarify the full EPC together with structure, positive aspects and protocols, supplying you with the data and perception to determine the capability in EPC, advance EPC items and install LTE/EPC cellular broadband Networks . the second one version comprises one hundred fifty+ new pages and diverse new illustrations. The content material has additionally been concentrated in the direction of the mainstream deployment eventualities . Written by means of demonstrated specialists within the 3GPP standardization technique, with huge, in-depth adventure of its ambitions, improvement and destiny course . Case stories of deployment situations exhibit how the services defined inside EPC are positioned inside a reside community context . Forewords written through Dr. Kalyani Bogineni and Dr. Ulf Nilsson
. the most recent additions to the advanced Packet process (EPS) together with e.g. Positioning, person info administration, eMBMS, SRVCC, VoLTE, CSFB . an in depth description of the nuts and bolts of EPC which are required to actually get companies up and operating on a number of operator networks . An in-depth review of the EPC structure and its connections to the wide range of community accesses, together with LTE, LTE-Advanced, WCDMA/HSPA, GSM, WiFi, and so forth. . the most typical operator eventualities of EPS and the typical concerns confronted of their layout . The reasoning in the back of a few of the layout judgements taken in EPC, on the way to comprehend the total information and heritage of the all-IP middle
NEW content material TO THIS variation
. a hundred and fifty+ New pages, new illustrations and phone flows . Covers 3GPP unencumber nine, 10 and eleven as well as liberate eight . improved insurance on Diameter protocol, interface and messages . structure review . Positioning . consumer facts administration . eMBMS (LTE Broadcasting) . H(e)NodeB/Femto Cells . LIPA/SIPTO/Breakout architectures . Deployment eventualities . WiFi interworking . VoLTE/MMTel, CS fallback and SRVCC
- SAE is the middle community that helps LTE, the following key level in improvement of the UMTS community to supply cellular broadband. It goals to supply a good, economical answer for the ever-increasing variety of cellular broadband subscribers
- There isn't any different publication out there that covers the whole SAE community structure; this e-book summarizes the real components of the factors, yet is going past mere description and provides actual perception and rationalization of the technology
- Fully up-to-date with the most recent advancements because the first version released, and now together with extra fabric and insights on developments and perspectives relating to destiny capability functions of SAE
Read or Download EPC and 4G Packet Networks. Driving the Mobile Broadband Revolution PDF
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Additional info for EPC and 4G Packet Networks. Driving the Mobile Broadband Revolution
From this site, it would be routed back onto the radio access and finally to eNodeB B. 3. 1 Basic IP Connectivity Over LTE Access At the core of the EPC architecture is the function required to support basic IP connectivity over LTE access. 4. 4: Basic EPC Architecture for LTE. 22 Chapter 2 Two main principles have guided the design of the architecture. First of all, the strong wish to optimize the handling of the user data traffic itself, through designing a “flat” architecture. A flat architecture in this context means that as few nodes as possible are involved in processing the user data traffic.
When a user engaged in a VoLTE voice call moves around, it is not unlikely that the user device may find that the LTE radio coverage is being lost. After all, this is a mobile system, and this may happen more or less frequently depending on how users move around and how complete the operator LTE coverage is. For this purpose, 3GPP has specified mechanisms to hand over an ongoing voice call in IMS/MMTel in LTE to another system (GSM or WCDMA) with better radio coverage. What happens then depends on whether the new (target) system can support IMS/MMTel or not.
HSPA is mainly an enhancement of the WCDMA radio access technology. In the GPRS architecture, an SGSN connects to a GGSN, which acts as the point of interconnect to external IP networks for all packet data sessions over GSM/GPRS and WCDMA/HSPA. In fact, it is the SGSN that selects which GGSN to use for a specific terminal. 7). 7: Packet Core Network for GSM/GPRS and WCDMA/HSPA. When a user is moving between two networks that happen to be served by two different SGSNs, these two SGSNs interact over an interface (quite illogically also called Gn) to support IP session continuity; that is, the IP address, and all other data associated with the IP session itself, is maintained through keeping the GGSN unchanged when changing from one access network to the other.
EPC and 4G Packet Networks. Driving the Mobile Broadband Revolution by Magnus Olsson and Catherine Mulligan (Eds.)