... Facebook and Twitter An important first step in customerservice is an email auto-response message to customer inquiries and complaints that is sent to a customer as soon as customerservice is ... their time addressing customerservice issues in the channel “Customers are also eager to vent customerservice complaints in public forums such as Facebook and Twitter.” 1 32 Part III G e t t i ... user forum Chapter 15 Content andCustomerService 129 Navigate over to Dell’s customer support, and you’re immediately channeled onto an appropriate page for your particular needs, whether you’re...
... quality 1 .2. 2.1 Reliability 1 .2. 2 .2 Empathy 1 .2. 2.3 Assurance 1 .2. 2.4 Responsiveness 1 .2. 2.5 Tangibles 10 1 .2. 3 Results of previous ... Mission 22 3.1 .2 Core value and Business areas 22 3 .2 Foundation and development process 23 3.3 Organization structure 25 3.4 Employees and Training Programs ... % were male and 42. 7 % were female 22 .7 % of survey respondents were from 20 to 29 years of, 34.7 % were between 30 and 39, 30.7 % were between 40 and 49 and 12 % were between 50 and 59 The reported...
... physical layer standard OFDM_BPSK_1 _2 in our simulations [24 ] 100 Quality of ServiceandResourceAllocation in WiMAX UGS 3500 3000 Throughput 25 00 20 00 1500 1000 500 300 800 1400 1900 24 00 29 00 3400 ... Parhar (20 07) Service Criticality Based Scheduling for IEEE 8 02. 16 WirelessMAN, in Proc 2nd IEEE Int Conf AusWreless, , pp 12 18 104 Quality of ServiceandResourceAllocation in WiMAX [29 ] H ... Networks and Systems, SIMUTools 20 08, Marseille,France, March 3-7 ,20 08 [21 ] The network simulator ns -2( September 20 07) Available from : http://www.isi.edu/nsnam/ns/ [22 ] D M C R Jain andW Hawe(1984)...
... and to (8) and PO,k ( Rk ) ≤ k (21 ) Downlink ResourceAllocationand Frequency Reuse Schemes for WiMAX Networks Downlink ResourceAllocationand Frequency Reuse Schemes for WiMAX Networks 123 ... requirement Source:N Ksairi & Ciblat (20 11) 126 22 Quality of ServiceandResourceAllocation in WiMAX Will-be-set-by-IN-TECH the optimization is done prior to the resourceallocation process It does not ... literature and has been explicitly recommended 124 Quality of ServiceandResourceAllocation in WiMAX Will-be-set-by-IN-TECH 20 for WiMAX in WiMAX Forum (20 06), mostly for its simplicity and for...
... Proceedings of VTC 20 10, pp 1-5, 155 022 52, Taipei, may 20 10, IEEExplorer Mukul, R and Singh, P and Jayaram, D and Das, D and Sreenivasulu, N and Vinay, K & Ramamoorthy, A (20 06) An adaptive bandwidth request ... Networking Conference 20 08, pp 5, 1- 424 4-1457-1, Las Vegas, USA, january and 20 08, Las Vegas, USA IEEE8 02. 16eStd05 (20 05) IEEE Standard 8 02. 16e -20 05, Amendment to IEEE Standard for Local and Metropolitan ... and N Achir & G Pujolle (20 07) A combined MAC and Physical resourceallocation mechanism in IEEE 8 02. 16e networks, Proceedings of VTC 20 10, pp 6-10, 155 022 52, Taipei, may 20 10, IEEExplorer Laias...
... 1 92 16 Quality of ServiceandResourceAllocation in WiMAX Will-be-set-by-IN-TECH J G Andrews; A Ghosh & R Muhamed (20 07) Fundamentals of WiMAX: Understanding Broadband Wireless Networking, ... network 20 3 20 4 Quality of ServiceandResourceAllocation in WiMAX needed to initiate the handover The high mobile node will remain the shortest time inside the cell, in this situation, and the handover ... the handover Graphs 10 and 11 below confirm this information Fig 10 Throughput with a handover policy 20 8 Quality of ServiceandResourceAllocation in WiMAX Fig 11 Sequence Number with a handover...
... (nbLDPC) and CTC 4.8 CTC MAP1 DV MAP2 DV MAP2 CTC MAP2 4.6 4.4 Packet loss [%] 4 .2 3.8 3.6 3.4 3 .2 2.8 23 24 25 26 27 28 29 Number of users Fig 17 Average packet loss for DV (nbLDPC) and CTC 30 31 32 ... 33 23 8 Quality of ServiceandResourceAllocation in WiMAX 95 90 85 R 80 75 70 CTC MAP1 DV MAP1 CTC MAP2 DV MAP2 65 60 55 22 24 26 28 30 Number of users 32 34 Fig 18 R-factor for DV (nbLDPC) and ... of QoS and QoE in Mobile WIMAX – Systematic Approach Fig System throughput for DV and CTC – Map1 Fig Bandwidth utilization for DV and CTC – Map 23 1 23 2 Quality of ServiceandResource Allocation...
... http://ant.comm.ccu.edu.tw/course/94_WLAN/1_Papers/LTR, %20 Admission %2 0control %20 with %20 physical %20 rate %20 measurement %20 for %20 IEEE %20 8 02. 11e %20 controlled %20 channel %20 access.pdf K Noimanee, S Noimanee, P Khunja, and P Keawfoonrungsie, (20 10) ... IEEE 8 02. 16e -20 05 (20 05) IEEE Standard for Local and Metropolitan Area Networks Part 16: Air Interface for Fixed and Mobile Broadband Wireless Access Systems IEEE 8 02. 21 -20 08 (20 08) 8 02. 21 WG ... ISBN978-0- 12- 374964 -2, Elsevier, Amsterdam Andrews, J G.; Ghosh, A & Muhamed, R (20 07) Fundamentals of WiMAX: Understanding Broadband Wireless Networking, Prentice Hall, ISBN 0-13 -22 25 52- 2, Upper...
... mini2 168 28 8 94 42 449 0.11 mini3 25 3 4 32 6 126 674 0.16 mini4 365 624 5071 973 0.18 mini5 449 768 6056 1198 0.15 mini6 561 960 7570 1497 0. 12 mini7 646 1104 10367 1 722 0.09 mini8 758 129 6 161 12 2 021 ... video signals in a VANET poses concerns Handling 29 4 Quality of ServiceandResourceAllocation in WiMAX congestion and packet loss becomes more difficult and delicate in a VANET environment where ... are routed and given priority due to the service class name associated with them and the scheduling type, which handles the bandwidth request/grant mechanism The silver service class and the Real-time...