By Martin Sauter
Giving a legitimate technical creation to 3GPP LTE and SAE, this booklet explains the selections taken in the course of standardization whereas additionally analyzing the most likely pageant for LTE equivalent to HSPA+ and WiMAX. in addition to taking a look at subsequent new release community applied sciences, past 3G - Bringing Networks, Terminals and the internet jointly describes the newest cellular machine advancements, voice and multimedia prone and the cellular internet 2.0. It considers not just how the structures, units and software program paintings but additionally the explanations at the back of why they're designed during this specific approach. How those components strongly impact one another is mentioned in addition to how community features, to be had bandwidth, cellular equipment features and new software thoughts will form the way in which we converse sooner or later. This ebook offers an finish to finish advent to instant, from cellular software program structure to middle networks, making it a worthy source for somebody operating within the industry.
Examines present and next-generation community applied sciences similar to UMTS, HSPA+, WiMAX, LTE and Wifi
Analyses and explains functionality and capability in perform in addition to destiny ability requisites and the way they are often fulfilled
Introduces the reader to the present mobile telephony structure and to voice over IP architectures reminiscent of SIP, IMS and TISPAN
appears at cellular machine and cellular working process evolution
* Encompasses all significant international instant criteria for software improvement and the most recent kingdom of the cellular net 2.0
Giving a legitimate technical advent to 3GPP LTE and SAE, this booklet explains the choices taken in the course of standardization whereas additionally reading the most probably festival for LTE equivalent to HSPA+ and WiMAX. in addition to subsequent iteration community applied sciences, "Beyond 3G - Bringing Networks, Terminals and the net jointly" describes the newest cellular equipment advancements, voice and multimedia prone and the cellular internet 2.0. It considers not just how the platforms, units and software program paintings but in addition the explanations in the back of why they're designed during this specific approach. How those parts strongly effect one another is mentioned in addition to how community services, on hand bandwidth, cellular machine services and new software options will form the way in which we speak within the future.It encompasses all significant worldwide instant criteria in functions, cellular equipment evolution and the newest kingdom of the cellular net 2.0. It examines present and next-generation community applied sciences corresponding to UMTS, HSPA+, WiMAX, LTE and Wifi. It debates the case of destiny bandwidth requisites as opposed to on hand frequency bands.
It introduces the reader to the present mobile telephony structure and to voice over IP architectures equivalent to SIP, IMS and TISPAN. It analyses and explains functionality and ability in perform in addition to destiny capability requisites and the way they are often fulfilled.
Read or Download Beyond 3G: Bringing Networks, Terminals and the Web Together : LTE, WiMAX, IMS, 4G Devices and the Mobile Web 2.0 PDF
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Additional resources for Beyond 3G: Bringing Networks, Terminals and the Web Together : LTE, WiMAX, IMS, 4G Devices and the Mobile Web 2.0
Together, HSDPA and HSUPA are known today as HSPA. The following paragraphs are structured as follows: first, an overview of the downlink enhancements is given. Afterwards, the performance improvements for the uplink direction are discussed. 1 Shared Channels To improve the utilization of the air interface, the concept of shared channels has been (re-) introduced. HSDPA introduces a High-Speed Downlink Physical Shared Channel (HS-DPSCH), which several devices can use quasi simultaneously as it is split into timeslots.
12 Bringing Networks, Terminals and the Web Together Default Network Setup One-Tunnel SGSN Bypass GGSN GGSN SGSN user data tunnels SGSN RNC RNC NodeB NodeB one-tunnel for user data Current network architecture vs the one tunnel enhancement. RNC. For the user, this approach has the advantage that the packet delay is reduced. From a network point of view, the advantage is that the SGSN requires fewer processing resources per active user, which helps to reduce equipment costs. This is especially important as the amount of data traversing the packet-switched core network is rising significantly.
Since both the RNC and the GGSN are IP routers, this process is not required in most cases. The one-tunnel approach, now standardized in 3GPP (see  and ), allows the SGSN to create a direct tunnel between the RNC and the GGSN. It thus removes itself from the transmission chain. g. 12 Bringing Networks, Terminals and the Web Together Default Network Setup One-Tunnel SGSN Bypass GGSN GGSN SGSN user data tunnels SGSN RNC RNC NodeB NodeB one-tunnel for user data Current network architecture vs the one tunnel enhancement.