Telecommunications Sensors

Download LTE-Advanced DRX Mechanism for Power Saving by Scott A. Fowler, Abdelhamid Mellouk, Naomi Yamada PDF

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By Scott A. Fowler, Abdelhamid Mellouk, Naomi Yamada

Source allocation and gear optimization is a brand new problem in multimedia providers in mobile conversation systems.  to supply a greater end-user event, the fourth iteration (4G) commonplace long-term Evolution/Long time period Evolution-Advanced (LTE/LTE-Advanced) has been constructed for high-bandwidth cellular entry to deal with today’s data-heavy functions. LTE/LTE-Advanced has followed discontinuous reception (DRX) to increase the person equipment’s battery lifetime, thereby additional assisting a number of prone and big quantities of knowledge transmissions.
By introducing the fundamentals of mathematical research and function review of power-saving mechanisms in third iteration partnership undertaking (3GPP) LTE and LTE-Advanced networks, the authors of this ebook objective to explain novel algorithms that could have larger functionality functions than prior methods.
Chapter 1 supplies the elemental concept description of the 3GPP LTE community and 3GPP DRX energy saving mechanism, empirical measurements of LTE community site visitors and an summary of the elemental LTE DRX version within the box of energy saving options. 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 replacement tools for the implementation of LTE DRX.


1. simple 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 college, Sweden, operating with the cellular Telecommunication (MT) team. He has served on numerous IEEE conferences/workshops as TPC to Chair, together with particular curiosity teams coordinator for IEEE Communications software program (CommSoft) Technical Committee given that 2012. His examine pursuits contain caliber of carrier (QoS) help over heterogeneous networks, laptop networks (wired, wireless), power administration, cellular computing, pervasive/ubiquitous, functionality assessment 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 an eye on study task with vast overseas educational and commercial collaborations. His common region of study is in adaptive real-time keep an eye on for high-speed new iteration dynamic wired/wireless networking which will hold applicable caliber of Service/Experience for added-value services.
Naomi Yamada is a study affiliate at Linköping collage, Sweden.

Chapter 1 easy idea (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 techniques for LTE strength Saving (pages 71–94): Scott A. Fowler, Abdelhamid Mellouk and Naomi Yamada

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Extra info for LTE-Advanced DRX Mechanism for Power Saving

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Since there is no specification for a timer to define the duration of deep sleep mode, tDL repeats until UE finally detects a downlink transmission during τ . 14 shows the whole picture of the DRX architecture described above. Note that the duration length of the DRX cycle affects major QoS parameters, for example delays. A long DRX cycle can result in delay because of the longer intervals between the τ (listen) periods. It is due to the fact that the eNobeB processor will not transmit any packets to the UE during the sleep period (whether it is long sleep or short sleep).

4] Suppose that π is a stationary distribution. 4. Holding states Let Hi (i {1, 2}) represent the holding time of the semi-Markov process at state Si (i {1, 2}). 5. State H1 E [H1 ]: in state S1 , the mobile device experiences a busy period tB 2 and then an inter-packet call inactivity period tI . 5] 2 tB : it consists of the number of packets within a per packet call (Np ). Analytical Semi-Markov Power-Saving Models 41 Since a busy period is identical to the duration of a packet’s, call delivery, a tB consists of Np packets service times tx 3.

Downlink scheduling for multiclass traffic in LTE”, EURASIP Journal on Wireless Communications and Networking, vol. 2009, no. 14, pp. 1–18, March 2009. , “Opportunistic downlink transmission with limited feedback”, IEEE Transactions on Information Theory, vol. 53, no. 11, pp. 4363–4372, 2007. , “Performance analysis of power saving mechanism with adjustable DRX cycles in 3GPP LTE”, IEEE Vehicular Technology Conference (VTC Fall), pp. 1–5, September 2008. net/pub/sourceforge/n/project/ns/ns3-lte/ HARQ/Documents/State%20of%20the%20Art/LTE/314-69330.

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