By Scott A. Fowler, Abdelhamid Mellouk, Naomi Yamada
Source allocation and tool optimization is a brand new problem in multimedia companies in mobile verbal exchange systems. to supply a greater end-user adventure, the fourth iteration (4G) usual long-term Evolution/Long time period Evolution-Advanced (LTE/LTE-Advanced) has been constructed for high-bandwidth cellular entry to house today’s data-heavy purposes. LTE/LTE-Advanced has followed discontinuous reception (DRX) to increase the person equipment’s battery lifetime, thereby additional aiding quite a few companies and big quantities of knowledge transmissions.
By introducing the fundamentals of mathematical research and function review of power-saving mechanisms in third new release partnership undertaking (3GPP) LTE and LTE-Advanced networks, the authors of this ebook target to explain novel algorithms that could have larger functionality features than prior methods.
Chapter 1 supplies the elemental thought description of the 3GPP LTE community and 3GPP DRX strength saving mechanism, empirical measurements of LTE community site visitors and an summary of the fundamental LTE DRX version within the box of energy saving concepts. bankruptcy 2 presents steps for deriving a 2-state analytical version as much as a 4-state DRX version. The 3rd and ultimate bankruptcy summarizes substitute equipment for the implementation of LTE DRX.
Contents
1. uncomplicated Theory.
2. Analytical Semi-Markov Power-Saving Models.
3. different techniques for LTE strength Saving.
About the Authors
Scott A. Fowler is affiliate Professor at Linköping collage, Sweden, operating with the cellular Telecommunication (MT) team. He has served on a number of IEEE conferences/workshops as TPC to Chair, together with exact curiosity teams coordinator for IEEE Communications software program (CommSoft) Technical Committee in view that 2012. His examine pursuits comprise caliber of carrier (QoS) help over heterogeneous networks, computing device networks (wired, wireless), power administration, cellular computing, pervasive/ubiquitous, functionality evaluate of networks and security.
Abdelhamid Mellouk is complete Professor on the college of Paris-Est Créteil VdM (UPEC, ex. Paris 12), Networks & Telecommunications (N&T) division (IUT C/V) and LiSSi Laboratory in France. he's a founding father of the community keep watch over examine task with large foreign educational and business collaborations. His normal quarter of analysis is in adaptive real-time regulate for high-speed new iteration dynamic wired/wireless networking with the intention to retain applicable caliber of Service/Experience for added-value services.
Naomi Yamada is a examine affiliate at Linköping collage, Sweden.
Content:
Chapter 1 easy concept (pages 1–31): Scott A. Fowler, Abdelhamid Mellouk and Naomi Yamada
Chapter 2 Analytical Semi‐Markov Power‐Saving types (pages 33–70): Scott A. Fowler, Abdelhamid Mellouk and Naomi Yamada
Chapter three different ways for LTE strength Saving (pages 71–94): Scott A. Fowler, Abdelhamid Mellouk and Naomi Yamada
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Additional resources for LTE-Advanced DRX Mechanism for Power Saving
Example text
LTE and LTE-Advanced specification have adopted DRX at the link level [BO 10]. The main difference between LTE DRX and previous versions is that the UE is allowed to enter a sleep state even when the traffic buffer is not completely empty. LTE DRX also employed the three-state model that consists of wake, light sleep and deep sleep, whereas old version only has only two states: wake and sleep. These new features of LTE DRX are intended to improve power saving significantly, but at the same time they also create new challenges regarding delay and other QoS issues.
6 ms. It is also indicative of the presence of nine distinctive streams of traffic associated with Live Video streaming samples, for example signaling, data and ACKs. 045 ms. 6 ms. 9. 029 ms. 03–44 ms. This indicates that traffic distribution of the Live Video streaming is largely skewed to the left in a logarithmic scale. 029 ms. 5. Summary on the LTE Traffic measurements The raw data in units of time were quantized by means of PDFs for analysis and visualization of the data. The PDF graphs initially generated through Matlab simulations were expressed in discrete time, which then were converted into continuous time by applying non-parametric distribution fit.
The current packet call transmission has been completed. Inter-packet call idle time (tipc ): the time interval between the end of the packet call transmission and the beginning of the next packet call transmission. Intersession idle time (tis ): the time interval between the end of the packet session and the beginning of the next packet session. 4) Once all packets of the ongoing packet service session have been received completely, then the UE will experience a longer intersession idle time (tis ).