By Martin Sauter(auth.)
Extensively up to date assessment of present and destiny community applied sciences, applications and devices
This publication follows on from its winning predecessor with an advent to subsequent new release community applied sciences, cellular units, voice and multimedia providers and the cellular internet 2.0. Giving a legitimate technical creation to 3GPP instant platforms, this publication explains the choices taken in the course of standardization of the most well-liked instant community criteria this day, LTE, LTE-Advanced and HSPA+. It discusses how those parts strongly impact one another and the way community features, to be had bandwidth, cellular gadget services and new software innovations will form the way in which we converse within the future. This moment version provides a entire and broad-reaching exam of a fast-moving expertise for you to be a welcome replace for researchers and pros alike.
- Fully up-to-date and extended to incorporate new sections together with VoLTE, the evolution to 4G, cellular web entry, LTE-Advanced, wireless defense and backhaul for instant networks
- Describes the winning commercialization of net 2.0 providers similar to fb, and the emergence of app shops, drugs and smartphones
- Examines the evolution of cellular units and working structures, together with ARM and x86 structure and their program to voice-optimized and multimedia devices
Chapter 1 Evolution from 2G over 3G to 4G (pages 1–7):
Chapter 2 past 3G community Architectures (pages 09–93):
Chapter three community capability and utilization situations (pages 95–148):
Chapter four Voice over instant (pages 149–239):
Chapter five Evolution of cellular units and working structures (pages 241–296):
Chapter 6 cellular net 2.0, Apps, and vendors (pages 297–356):
Chapter 7 end (pages 357–360):
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Additional resources for By Martin Sauter 3G, 4G and Beyond: Bringing Networks, Devices and the Web Together (2nd Second Edition) [Hardcover]
It sends or receives only a few IP packets), the cell changes are also controlled by the mobile device and not the network. While the connection is still fully active and (slow) uplink and downlink transmissions can occur at any time, an efficient transition from one cell to another is deemed to be not important enough to justify the required processing capacity in the network and the higher power consumption in the mobile device. As data transmissions can occur any time, a cell update message is required when moving from one cell to another.
While dual carrier operation cannot counter those effects directly, user data rates in such scenarios double as two carriers are used to transmit the data to the user. So it is in these scenarios, where most users will notice a significant difference to single-carrier operation. 3 MIMO Another emerging technique to increase throughput under good signal conditions is Multiple Input Multiple Output, or MIMO for short. In essence, MIMO transmission uses two or more antennas at both the transmitter and the receiver side to transmit two independent data streams simultaneously over the same frequency band.
During soft handover, the RNC thus receives several copies of the user’s uplink data stream. This increases the likelihood that a packet is received correctly and does not have to be retransmitted. The cells which are involved in a soft handover for a dedicated channel are referred to as the active set. Up to six cells can be part of the active set. In practice, however, most networks limit the number of cells in the active set to two or three. Otherwise, the benefit of multiple transmissions that can be combined in both the network and the mobile station is outweighed by the additional capacity required in both the radio network and on the air interface.