wireless multiple access protocols in mobile computing ppt

... extremely large in the case of unconstrained channel access, resulting in a low inherent statistical multiplexing gain. By combining CDMA with PRMA, it is possible to control the access of users ... (P loss ) max in multiples of σ K d Hamming distance d il Interleaving depth d min Minimum Hamming distance e Error correcting capability of an (L, B, e) block code; also 2.718 282 f CAF Channel access ... frequency channels) in GSM MAI Multiple Access Interference MAIO Mobile Allocation Index Offset (for frequency hopping in GSM) MBS Mobile Broadband System MCS-1 Modulation and Coding Scheme 1 (for...

Ngày tải lên: 02/03/2013, 16:59

Ngày tải lên: 27/06/2014, 00:20

Ngày tải lên: 27/06/2014, 15:20

Ngày tải lên: 21/06/2014, 17:20

... at Tokyo Institute of Technology (TIT), Japan. He received the ME degree in Information Science and Engineering from TIT in 2002. His research interests are speech information processing, especially ... convinced that computer scientists, engineers, and others who work in the area of spoken multimodal dialogue systems, no matter if in academia or in industry, may find the volume interesting ... work. XI Introduction Spoken multimodal human-computer interfaces constitute an emerging topic of interest not only to academia but also to industry. The ongoing migra- tion of computing and information...

Ngày tải lên: 17/02/2014, 20:20

Ngày tải lên: 21/06/2014, 11:20

Ngày tải lên: 21/06/2014, 22:20

Ngày tải lên: 28/06/2014, 08:20

... communication SNR levels. It is interesting to see that using more training symbols does not improve the performance of the MLE as expected, because inserting training symbols will reduce the energy ... first inequality in (76) and t he second inequality in (77) are satisfied. From the condition f(θ)(θ − Φ) < 0, it is not hard to find that the second inequality in (76) and the first inequality in ... Furthermore, since the estimation quality of the first stage is available, we use BLUE to obtain ˆ θ for exploiting the quality information instead of using the MLE in the M-step as in the standard...

Ngày tải lên: 20/06/2014, 04:20

... discussed, inserting training symbols is a heuristic way to improve the performance. It is shown in the 25 Decentralized estimation over orthogonal multiple- access fading channels in wireless ... communication SNR levels. It is interesting to see that using more training symbols does not improve the performance of the MLE as expected, because inserting training symbols will reduce the energy ... ts in [19], in di cate that the separate source-channel coding scheme is optimal in fading channels with orthogonal multiple- access protocols, which outperforms AF transmission, a simple joint...

Ngày tải lên: 18/06/2014, 22:20

Ngày tải lên: 22/06/2014, 22:20

... signaling protocols perform plays a critical role in designing, building, maintaining, and troubleshooting a Cisco VoIP implementation. Each proto- col also plays a direct role in implementing ... in product selection and integration. Specifically, Cisco has predominately implemented the following five different signal- ing protocols amongst their rapidly expanding telephony product line: • ... Bachelors of Science in Mechanical Engineering and a Masters of Science in Mechanical Engineering from Bradley University in P eoria, IL. Chris can be reached at chrisolsen@earthlink.net. Copyright...

Ngày tải lên: 10/12/2013, 14:15

... of HIV infections in Springfontein) is that in Springfontein you have, it’s on the N1, the Springfontein, you have trucks coming in and out the area. (DSD representative, Koffiefontein). The ... Springfontein ja, I think it’s Springfontein number one. And the reason for that is that in Springfontein you have, it’s on the N1, the Springfontein, you have trucks coming in and out the area. ... alcohol for a woman. As pointed out earlier, Springfontein and Jaggersfontein were singled out as having more cases of HIV infection compared to other towns. Springfontein was singled out particularly...

Ngày tải lên: 19/02/2014, 00:20

... logging without compromising performance. The cost of cloud computing in information security management includes the costs of migrating, implementing, integrating, training, and redesigning. ... and attacking. Many enterprises are seriously looking into cloud computing to save cost, in the not too distance future cloud computing adoption rate will skyrocket and cloud computing vulnerability ... looking into cloud computing technology as a way to cut down on cost and increase profitability should seriously analyze the security risk of cloud computing. The strength of cloud computing in...

Ngày tải lên: 05/03/2014, 23:20

... the International Joint Conferences on Computer, Information, and Systems Sciences, and Engineering (CISSE). CISSE is the first Engineering /Computing and Systems Research E-Conference in the ... improved in terms of using multiple base stations for the purpose of minimizing loss of data transmissions, and also the proposed solution was able to detect a compromised base station. In using multiple ... functionalities in terms of one base station participating in one system. It is important to remember that with an increase in a sensor network there’s an increase in the distance separating the base...

Ngày tải lên: 05/03/2014, 23:20

... Interleaving/de-interleaving: there can be two levels of interleaving before and after channel multiplexing; † Rate matching/de-matching; † Multiplexing/de-multiplexing; and, † Channel MRC: for ... Processing Analysis The SR signal processing functions are as follows: † FEC channel encoding and decoding: this can include a CRC, convolutional and turbo encoding/decoding; † Interleaving/de-interleaving: ... and 3G) terminal, one can consider the ‘‘ Velcro’’ solution consisting of assembling two single mode terminals in the same case, with minimal hooks needed to allow inter-system monitoring. This...

Ngày tải lên: 06/03/2014, 12:20

... jQuery Mobile Framework 61 Adding jQuery Mobile to Your Site 61 Using Data Roles 63 Creating a Simple Page 65 Understanding the Mobile Initialization Event 69 Using the pageinit Event Instead ... 363 21 Learning to Minify Everything 381 22 Using Mobile Device Emulators 397 23 Building an App with PhoneGap and jQuery Mobile 419 24 Including jQuery Mobile with WordPress 443 Index 465 www.it-ebooks.info ptg8286219 4 ... questions. www.it-ebooks.info ptg8286219 In my years of learning, training, and teaching programming, I have rarely come across an individual with Phil Dutson’s ability to explain code. Whether you are a beginner,...

Ngày tải lên: 22/03/2014, 21:20

... regulate genes involved in reducing the intracellular level of Cd(II). We demonstrate here by DNase I footprinting and EMSA that CmtR interacts cooperatively with multiple binding sites that ... ethidium bromide staining. The DNase I footprinting assay was performed as described previously [26]. The binding and running buffers used were the same as in EMSA. DNA–protein interac- tion was ... radiolabeling and imaging techniques used in the present study. Hence they may not have visualized the multiple DNA–protein complexes observed in the pres- ent study. In addition, DNase I footprinting...

Ngày tải lên: 23/03/2014, 04:21

... conversations in a wide range of areas including clinical use, online video sharing ser- vices, and meeting capture and analysis. While it is straightforward to replay such recordings, find- ing information ... Working Papers in Linguistics, volume 44, pages 1–49. S. Banerjee and A. Rudnicky. 2006. Segmenting meet- ings into agenda items by extracting implicit supervi- sion from human note-taking. In ... approaches. The ASR transcripts used in this experiment are obtained using standard technol- ogy including HMM based acoustic modeling and N-gram based language models (Hain et al., 2005). The average...

Ngày tải lên: 23/03/2014, 18:20

... 1-58053-727-8 10 9 8 7 6 5 4 3 2 1 TEAM LinG 30 Advances in Mobile Radio Access Networks increase the efficiency of power amplifiers while maintaining linearity. Since the efficiency of the state-of-the-art ... Figure 2.6 PA Consulting’s software radio-based WCDMA base station. TEAM LinG Advances in Mobile Radio Access Networks TEAM LinG TEAM LinG 62 Advances in Mobile Radio Access Networks ... UE-based solution maintains a fully functional GPS receiver in the terminal. This requires the same functionality as described in terminal- assisted GPS, plus additional means for computing the position...

Ngày tải lên: 18/04/2014, 10:43