1adaptive coding and modulation

... [12] C Berrou and A Glavieux, “Near optimum error correcting coding and decoding: turbo-codes,” IEEE Transactions on Communications, vol 44, no 10, pp 1261–1271, 1996 [13] B Barmada and E V Jones, ... computer engineering and with distinction He received his M.S and Ph.D degrees from University of Essex, UK, in computer and information networks (2000) and layered image and video wireless transmission ... that is, s = 100 kbps and R = 1/1, the service will be available only at high SNRs and UEP-DP is clearly a more attractive choice By comparing the combined HQAM and TC and the nonlayered graph...

Ngày tải lên: 22/06/2014, 23:20

... Constant Coding and Modulation or Variable Coding and Modulation NOTE 1: The term ACM is retained for compatibility with DVB-S2 [i.3] CCM means that all PLPs use the same coding and modulation, ... Bit-interleaved coding and modulation 6.1 FEC encoding This sub-system shall perform outer coding (BCH), Inner Coding (LDPC) and Bit interleaving The input stream shall be composed of BBFRAMEs and the ... ISCR 16-ary Quadrature Amplitude Modulation 256-ary Quadrature Amplitude Modulation 64-ary Quadrature Amplitude Modulation Adaptive Coding and Modulation BaseBand Bose-Chaudhuri-Hocquenghem multiple...

Ngày tải lên: 20/05/2015, 20:55

... into SFC and FFC, SFD, FFD and FFD-500 groups SFC and SFD groups received AIN-76 basal diet, whereas FFC and FFD groups received AIN-76 diet, wherein starch was replaced with 5% wheat bran and 2.5% ... 1900 m/z and 0.3 m eluted fractions showed signals with masses of 3322 (m ⁄ z) and 3443 (m ⁄ z), respectively (Figs 4A and 5A) Similarly, in the fiber-treated diabetic group the 0.2 and 0.3 m ... of their pivotal functions in cell adhesion and recognition mechanisms, and their importance in signal transduction and as markers of differentiation and carcinogenesis [18] Hence, studying the...

Ngày tải lên: 22/03/2014, 17:20

... b-sheet; band at 1651 cm)1, a-helix; band at 1640 cm)1, random coil; bands in the region 16381616 cm)1, b-sheet (parallel plus antiparallel) These were used to curve t the original spectrum, and ... amide IÂ band The original spectrum was deconvoluted to obtain the component frequencies, which were assigned as follows: bands in the regions 16961680 cm)1 and 1670 1660 cm)1, b-turn; band at 1672 ... lysophospholipids and fatty acids, was conrmed by standard TLC and electrospray ionization mass spectroscopy Ammodytin I2 alone did not affect ostreolysin-induced hemolysis, and was not hemolytic...

Ngày tải lên: 23/03/2014, 21:20

... Eclipse 3.1's new RCP features and its extensive new tools for designing, coding, and packaging RCP applications Presents techniques for branding and customizing the look and feel of RCP applications ... diverse environments You'll build, refine, and refactor a complete prototype; customize the user interface; add Help and Update features; and build, brand, and ship the finished software For every ... electronic versions and/ or custom covers and content particular to your business, training goals, marketing focus, and branding interests For more information, please contact: U S Corporate and Government...

Ngày tải lên: 29/03/2014, 10:20

... fluoride and 10% glycerol For helicase and ATPase assays, HpSSB (Wt) and DC20SSB were dialysed against MonoQ and MonoS buffers and subjected to ion exchange chromatography using MonoQ and MonoS ... Wt and DC20 SSB protein in varying concentrations (0, 0.45, 0.9, 1.8, 2.7 and 3.6 lg, respectively) with 300 ng of M13mp18 single-stranded circular DNA and ⁄ or 300 ng of pUC18 double-stranded ... b-mercaptoethanol and 100 mm NaCl The column was previously calibrated using Pharmacia low- and highmolecular weight standards as indicated Fractions (0.3 mL) were collected and checked for the...

Ngày tải lên: 30/03/2014, 02:20

... Multiple Reference Frames and Hierarchical Coding 2.4.8 Error-Robust Video Coding 2.5 Video Codec Standards 2.5.1 Standardization Bodies 2.5.2 ITU Standards 2.5.3 MPEG Standards 2.5.4 H.264/MPEG-4 ... Visual Media Coding and Transmission Visual Media Coding and Transmission Ahmet Kondoz © 2009 John Wiley & Sons, Ltd ISBN: 978-0-470-74057-6 Visual Media Coding and Transmission Ahmet ... 3.3 Scalable Video Coding Techniques 3.3.1 Scalable Coding for Shape, Texture, and Depth for 3D Video 3.3.2 3D Wavelet Coding 3.4 Error Robustness for Scalable Video and Image Coding 3.4.1 Correlated...

Ngày tải lên: 05/06/2014, 11:56

... Communications and Networking pattern corresponding to a coding rate Ra , and these bits are transmitted over the RN-destination link The two coding rates Ra and Rc are chosen so that the global coding ... UT-RNi links cannot be neglected and the global PERgx and BERgx are dictated by both the cooperative decoding in the BS (destination), that is, PERgx and BERx , and by the error probabilities of ... Communications and Networking Broadcast-phase I DSTC or DSFC-phase II Information bits Ni and check bits Nc Information bits Ni and/ or additional check bits Na RN1 Information bits Ni and/ or additional...

Ngày tải lên: 21/06/2014, 11:20

... data segments, and we refer to it as Cooperative Coding and Caching (C ); compre for example Network Coding (NC) and no coding at all (Non-NC ) 3.1 Overview of Cooperative Coding and Caching 3.1.1 ... the decoding operation To effectively solve this problem, we introduce a novel Cooperative Coding and Caching (C ) scheme C extends the conventional random network coding [16], and enables decoding-free ... of M and B are M = N and B = 1, which are their lower bounds for valid schemes 2.2 Network -Coding- Based Caching: Superiority and Problems We now show that network coding, in particular, random...

Ngày tải lên: 21/06/2014, 17:20

... video coding and cross-layer optimization Tiia Sutinen∗ , Janne Vehkaper¨, Esa Piri and Mikko Uitto a VTT Technical Research Centre of Finland, Vuorimiehentie 3, Espoo, 02044 VTT, Finland ∗ Corresponding ... channel with Additive 15 White Gaussian Noise (AWGN) and without path-loss The physical layer does not use adaptive coding and modulation, but the modulation is kept fixed throughout the simulation ... Multimedia Tools and Applications, vol 55(2), Springer Netherlands, pp 261–288 11 IEEE, IEEE Standard for Local and Metropolitan Area Networks—Part 11: Wireless LAN Medium Access Control (MAC) and Physical...

Ngày tải lên: 21/06/2014, 17:20

... Communications and Networking Table 2: Range R, corresponding CINRR and ER values for 95% valid reception, and MFER 5% values for routes along different wind directions and for different MPE-FEC rates (modulation ... higher for route North, and the CINRR and ER EURASIP Journal on Wireless Communications and Networking Table 3: 95%-range R, RCINR|5 , and RE|5 for the different MPE-FEC rates and for the different ... Range R, corresponding CINRR and ER values for 95% valid reception, and MFER 5% values for routes along different wind directions and for different modulation schemes Modulation scheme QPSK 1/2 QPSK...

Ngày tải lên: 21/06/2014, 22:20

... WSFC-based and V-BLAST-based MIMO-OFDM with ABL are attractive solutions for power and bandwidth-efficient transmission REFERENCES [1] H Bolcskei and A J Paulraj, “Space-frequency coded broadband OFDM ... Denoting xk the NT -dimensional vector transmitted over NT antennas and subcarrier k, ≤ k < N, and assuming standard OFDM transmission and reception, the corresponding NR dimensional received vector ... for MIMO-OFDM, and reviews V-BLAST and SVD Section introduces ABL schemes and describes the proposed modification for bit-loaded VBLAST Section presents the simulation results, and finally conclusions...

Ngày tải lên: 21/06/2014, 23:20

... Frame-based subband log-energy extraction x Frame-based subband log-energy extraction Random seed S b = AΨ1 α + z1 Random projections y = Ax y y H (X, S) b = AΨ2 α + z2 b + Wyner-Ziv encoding Trusted ... to create the hash 4.2 Hash Decoding and Tampering Identification The CU receives the (possibly tampered) audio stream X and requests the syndrome bits and the random seed of the hash H (X, S) ... Distributed Source Coding (DSC) Consider the problem of communicating a continuous random variable X Let Y denote another continuous random variable correlated to X In a distributed source coding setting,...

Ngày tải lên: 22/06/2014, 00:20

... pseudorandom KHS and entropy coding property, the output of REC module A can be generally considered a random N-bit sequence The same conclusion applies to C given the randomness of the partition and ... of A and C are very close to bit/symbol, the entropy of a truly random binary sequence Based on this and the random selection of KHS and partition/rotation keys in the above attack, A1 and A2 ... parameters/settings and dynamically chooses one to encode each successive symbol according to a random sequence In contrast, standard entropy coding has only one parameters/settings in the entire encoding...

Ngày tải lên: 22/06/2014, 06:20

... pseudorandom KHS and entropy coding property, the output of REC module A can be generally considered a random N-bit sequence The same conclusion applies to C given the randomness of the partition and ... of A and C are very close to bit/symbol, the entropy of a truly random binary sequence Based on this and the random selection of KHS and partition/rotation keys in the above attack, A1 and A2 ... parameters/settings and dynamically chooses one to encode each successive symbol according to a random sequence In contrast, standard entropy coding has only one parameters/settings in the entire encoding...

Ngày tải lên: 22/06/2014, 19:20

... 2003 [10] J B Anderson and S Mohan, Source and Channel Coding, Kluwer Academic Publishers, Norwell, Mass, USA, 1991 [11] P W Moo and X Wu, “Resynchronization properties of arithmetic coding, ” in ... channel decoding On the other hand, having a single tool provides maximum flexibility in handling the compressed, secured, and protected file In particular, inspired by the duality between source and ... and Le21 of decoder to be passed to decoder An interleaver and a deinterleaver are inserted between decoders and so as to match the encoding process The information exchange between decoder and...

Ngày tải lên: 22/06/2014, 19:20

... Section concludes the article and discusses future work RELATED WORK IN SCALABLE CODING AND ADAPTIVE IMAGE AND VIDEO TELEMEDICINE SYSTEMS Scalable image and video coding has attracted recently ... enabling its usage in both standalone and Web applications (Java applets) H.264 SCALABLE VIDEO CODING In contrast to older video coding standards as MPEG2, the coding and display order of pictures are ... advanced scalable video and image coding and the context-awareness framework, medical video and image delivery can be optimized in terms of better resources utilization and best perceived quality...

Ngày tải lên: 22/06/2014, 19:20

... image coding In this system, we assume that each sensor has a processor to acquire images and perform background subtraction, and M Wu and C W Chen feature-based image matching Both spatial and ... (a) N N-1 N/2 + (b) Figure 4: Two routing schemes tween images in sensors and 2, sensors and 3, sensors and 5, and sensors and 6, respectively (c) At each sensor, whenever a target is detected by ... of sensor 1, sensor 2, sensor 3, and remote sensor and another route of sensor 4, sensor 5, sensor 6, and remote sensor, respectively (b) At sensors 2, 3, 5, and apply the algorithm in Section...

Ngày tải lên: 22/06/2014, 23:20

... Sequence length [bp] No stop codons [%] one 40 40 80 80 120 120 160 160 Coding Noncoding Coding Noncoding Coding Noncoding Coding Noncoding Number of sequences 8000 8000 4000 4000 2000 2000 1400 1400 ... there exist very short noncoding regions Segmentation of DNA into Coding and Noncoding Regions 83 Table 1: Distribution of stop codons along phases for coding and noncoding DNA regions DNA sequence ... The symbols S1 , S2 , and S3 are the stop codons TAA, TAG, and TGA in the given DNA strand, and S1 , S2 , and S3 are the stop codons AGT, GAT, and AAT on the opposite DNA strand, as shown in Table...

Ngày tải lên: 23/06/2014, 01:20