... Techniques and Interconnection with Other Technologies Interaction and Interconnection Between 802.16e & 802.11s Tarek Bchini and Mina Ouabiba 295 297 Inter-Domain Handover in WiMAX Networks Using Optimized ... most recent advances in the field, for engineers and researchers, and other readers interested in WiMAX In the first section, Advanced Transmission Techniques, readers will find chapters on modern ... planar inverted-F antenna (PIFA) are the most promising candidates The linear inverted-F antenna, which is the original version of the PIFA, has been described by R King in 1960 as a shunt-driven inverted-L...
Ngày tải lên: 20/06/2014, 23:20
... ways to design antennas including (i) using broadband/wideband or ultrawideband techniques, (ii) using multiband techniques, and (iii) combining wideband and multiband techniques For wideband ... Ws ×L3 placed in the inner slot at its bottom edge The tuning stub is used to control coupling between a CPW feed line and the inner rectangular slot In the third antenna as shown in Fig 15(c), ... Prayoot Akkaraekthalin Wireless Communication Research Group (WCRG), Electrical Engineering, Faculty of Engineering, King Mongkut’s University of Technology North Bangkok, Thailand Introduction Recently,...
Ngày tải lên: 20/06/2014, 23:20
Advanced Transmission Techniques in WiMAX Part 3 docx
... is of more interest In the following sections, we will review the details of the most favourite methods reducing envelope fluctuation, which are intended to be used in Single-Input Single-Output ... as shown in figure 1(d) in order to provide a linear polarization along the beam direction There are 96 slots, with 16 slots in the inner-most ring, and 32 slots in the outer-most ring The width ... two inductors and two capacitors forming the switching circuit as shown in figure 2(a) The inductors intend to choke off the alternating current (AC) and radio frequency (RF) signals from flowing...
Ngày tải lên: 20/06/2014, 23:20
Advanced Transmission Techniques in WiMAX Part 4 ppt
... broadening was applied at the transmitter Amplitude of correcting tones was constraint to γ = 0.2, but this results in increased BER for the Rapp nonlinearity operating at IBO=5 dB Increase in BER ... especially in the strong nonlinear propagation environment Now, we would like to express the input signal of the receiver in the frequency domain Let Y be the Nc × Nr matrix containing received ... clipping and filtering, Proc IEEE Int Conf on Communications, Beijing, China, pp 609–614 Dardari, D., Tralli, V & Vaccari., A (2000) A theoretical characterization of nonlinear distortion effects in...
Ngày tải lên: 20/06/2014, 23:20
Advanced Transmission Techniques in WiMAX Part 6 pdf
... Amplitude Modulation Single Input Multiple Output Single Input Single Output Spatial Multiplexing Signal To Noise Ratio 126 STBC TACS TDD UPA ZF Advanced Transmission Techniques in WiMAX Space-Time ... because both of them are required for 4TX combining 138 Advanced Transmission Techniques in WiMAX Symbol level Buffer Subpacket Combining Soft Bit demapping h0 s h1 s1 y odd ... approach is to combine the retransmitted and initial signals using symbol level combining (SLC) before the detector However, the required buffer in SLC occupies large memory in receivers Moreover,...
Ngày tải lên: 20/06/2014, 23:20
Advanced Transmission Techniques in WiMAX Part 10 ppt
... part of the frame This frame can be 218 Advanced Transmission Techniques in WiMAX in Gaussian shape, cosine, Kaiser or Hanning window, respectively In companding method the OFDM signal is companded ... signal into digital format and then expands it The companding method has application in speech processing where high peaks occur infrequently In PTS, by partitioning the input signal and applying ... underlying hardware platform must have significant capability of processing throughput In addition, advanced signal processing techniques such as Turbo coding/decoding, and front-end functions including...
Ngày tải lên: 20/06/2014, 23:20
Advanced Transmission Techniques in WiMAX Part 14 docx
... defined in OFHS instead of reactive mode defined in the RFC5270 The semi-predictive mode procedure is shown in Fig Fig OFHS Handover Procedure, Semi-Predictive Mode Inter-Domain Handover in WiMAX ... Networks, RFC5270 of Internet Engineering Task Force, Network Working Group, Mar 2008 Johnson, D.; Perkins C and Arkko J (2004) Mobility Support in IPv6, RFC 3775, Internet Engineering Task Force Koodli, ... contains the network topology and static link layer information When the mobile node discovers a new base Inter-Domain Handover in WiMAX Networks Using Optimized Fast Mobile IPv6 325 station in...
Ngày tải lên: 20/06/2014, 23:20
ADVANCED TRANSMISSION TECHNIQUES IN WIMAX potx
... Techniques and Interconnection with Other Technologies Interaction and Interconnection Between 802.16e & 802.11s Tarek Bchini and Mina Ouabiba 295 297 Inter-Domain Handover in WiMAX Networks Using Optimized ... ways to design antennas including (i) using broadband/wideband or ultrawideband techniques, (ii) using multiband techniques, and (iii) combining wideband and multiband techniques For wideband ... planar inverted-F antenna (PIFA) are the most promising candidates The linear inverted-F antenna, which is the original version of the PIFA, has been described by R King in 1960 as a shunt-driven inverted-L...
Ngày tải lên: 27/06/2014, 01:20
Advanced measurement techniques in optical fiber sensor and communication systems
... main monitoring parameters in the optical communication system are CD, PMD, nonlinearities and optical signal-to-noise ratio (OSNR) In this thesis, CD monitoring techniques will be introduced in ... to 1000 Hz After introducing the measurement techniques in fiber optic sensor systems, measurement techniques in optical communication system is also introduced, especially in chromatic dispersion ... information In this thesis, the delay tap sampling methods are mainly introduced as CD monitoring techniques More details are shown in chapter 1.4 Focus and structure of the thesis In this thesis,...
Ngày tải lên: 10/09/2015, 08:41
Fu, feng advanced modelling techniques in struct(BookZZ org) mo hinh cong trinh
... main design issue is member buckling and overall buckling of the structure; the analysis theories underpinning buckling analysis are introduced in detail in Chapter and corresponding modelling ... will be introduced ® 16 2.5.1 Advanced Modelling Techniques in Structural Design Import geometry into SAP2000 In this section, we are going to introduce how to set up models in a draughting program ... of the Kingdom Tower in Saudi Arabia have stimulated great interest in design engineers in the design and analysis of tall buildings In this section, the main design issues of tall buildings, such...
Ngày tải lên: 13/12/2016, 11:26
Advanced techniques in RF power amplifier design
... current flowing in the circuit of Figure 1.17(a), when using the instantaneous generator voltage as the independent input variable An iteration routine has to be used at each point in the RF cycle ... The input sinusoidal generator amplitude Vin will cause a corresponding change in the sinusoidal amplitude Vs appearing across the junction Thus, if Vs is used as the chosen input signal 26 Advanced ... (DSP) techniques in this area Chapters 4, 5, and cover the three main linearization topics of feedback, predistortion, and feedforward In these chapters I find myself up against a burgeoning and...
Ngày tải lên: 18/04/2014, 11:11
advanced techniques in logic synthesis, optimizations and applications
... functionally independent (The underline in xi indicates that the computed gi is independent in these variables.) Vacuous in x1 function g1 must not exceed largest member u(x) in all its minterm points, independent ... products in S O P( f ) containing the literal x i gives a minimal SOP for f˜|xi =0 , while all remaining products, that not depend on xi or x i , give a minimal SOP covering exactly the points in the ... by identifying sections of netlist that are unaffected by incremental changes in design specifications Identifying and reusing the equivalent subcircuits accelerates design closure By integrating...
Ngày tải lên: 31/05/2014, 00:10
ADVANCED TECHNIQUES IN LIPOSUCTION AND FAT TRANSFE ppt
... mortalities in over 11,000 procedures (51) Factors leading to the decrease in the incidence of wound healing problems were: undermining the flap in an inverted “V” fashion, avoiding operating on active ... marking is done with the patient in standing position Then the marking is done comprising the surrounding tissue of inter-gluteal and sub-gluteal groove thus determining an L-shaped marking This ... areas in medicine Training became necessary in view of the constantly changing and developing character of medical science, and because of the progress in new devices emerging on the market Turning...
Ngày tải lên: 28/06/2014, 05:20
Advanced Computer-Assisted Techniques in Drug Discoveryedited by Han van de Waterbeemd.Methods pot
... trend in pharmaceutical industry to establish chemical structure databases as a tool for identifying new leads Correspondingly, in the second section, problems encountered in our understanding ... using conformationally flexible searching (CFS) have increased the possibilities in rational lead finding for the medicinal chemist Searching chemical databases using 3D (geometric), 2D (structural ... Binding Conformation During the development of our method two main strategies were adopted to ascertain the geometric pharmacophore In the first, considerable attention was given to determining...
Ngày tải lên: 29/06/2014, 09:20
Advanced Techniques in Dermatologic Surgery - part 1 pptx
... encapsulated TetracaineÕ (0.5%) has been shown to be more effective than TetracaineÕ in an inert base in producing significant skin Vehicle 5% Lidocaine 2.5% Lidocaine: 2.5% Prilocaine 4% TetracaineÕ gela ... Source: From Ref 63 Oil-inwater Microemulsion Lecithin gel Oil-inwater Liposomal Liposomal Lidocaine: Prilocaine: Dibucainea 4% Lidocaine BetacaineLAÕ LMXÕ Vaseline ointment Ingredients Anesthetics ... pain of venepuncture in children Eur J Anaesthesiol 1987; 4:441–448 12 Hopkins CS, Buckley CJ, Bush GH Pain-free injection in infants Use of a lignocaineprilocaine cream to prevent pain at intravenous...
Ngày tải lên: 14/08/2014, 07:20
Advanced Techniques in Dermatologic Surgery - part 2 pptx
... cadaverically Prepared from patient’s own skin Acellular cross-linked porcine collagen and elastin fibers No skin testing required No skin testing required No skin testing required; can be refrigerated ... molecule binds more water as the implant is being degraded within the skin Hence, its original volume is maintained even with decreasing concentration of the implant Clinically, this translates into ... Softening of the mental crease can be achieved by injecting the mentalis, just anterior to the point of the chin We initially injected a single dose of to 10 U centrally; however, after observing...
Ngày tải lên: 14/08/2014, 07:20
Advanced Techniques in Dermatologic Surgery - part 3 pot
... procedures, such as boiling, steaming, autoclaving, or using radiation Before starting the surgery, the skin is disinfected; skin disinfection should be repeated at regular intervals during surgery The ... injected into rats After nine months, fat injected into the subcutaneous plane was completely absorbed and the only site in which autologous fat remained was that injected in the muscle Fat injection ... With the public’s increasing curiosity of all things aesthetic, marketing and media have capitalized on bringing new product information into the spotlight, allowing for greater information access...
Ngày tải lên: 14/08/2014, 07:20
Advanced Techniques in Dermatologic Surgery - part 4 ppsx
... using the CO2 laser as a ‘‘light scalpel’’ in combination with periorbital UPCO2 laser skin resurfacing to improve wrinkling of the periorbital skin, including crow’s feet, and to give the skin ... and continue with the infraciliary skin incision using Westcott scissors to dissect the skin and the underlying orbicularis muscle The infraciliary skin incision ends mm beneath the inferior ... peeling or deep phenol peeling will achieve the same result, but there are several advantages in using laser skin resurfacing over chemical peeling: an 136 Fratila Figure 17 The injection points...
Ngày tải lên: 14/08/2014, 07:20
Advanced Techniques in Dermatologic Surgery - part 5 potx
... antibiotics-containing ophtalmic ointment may produce allergic contact reaction with severe in ammation especially when using on the periorbital skin after laser skin resurfacing Corticosteroid containing ... Unacceptable scarring is avoided by using the laser in UltraPulseT mode to cut the skin and by keeping the beam in focus and thus diminishing the zone of thermal damage of the incision’s margins Prophylactically, ... pulse widths in the millisecond (msec) domain Ruby laser hair removal was initially difficult in darker skin types, occasionally resulting in blistering, hyperpigmentation, and scarring Unfortunately,...
Ngày tải lên: 14/08/2014, 07:20