Difference between revisions of "Approaches for Audible Acoustic Communication"

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| A. Madhavapeddy, D. Scott, A. Tse, and R. Sharp, ―Audio Networking: The forgotten wireless technology,‖ IEEE Pervasive Computing, vol. 4, no. 3, pp. 55–60, July 2005. || In this article, we'll review various modulation schemes we've worked with previously, covering how to transfer data to nearby smart phones as well as usability and security issues. We'll consider audio networking as a mechanism for introducing data packets into ongoing mobile phone calls. We'll also discuss some real-world problems reported with telephone conferencing and apply audio-networking techniques to them in a case study application || ||http://ieeexplore.ieee.org/abstract/document/1495392/
 
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| H. Yan, S. Zhou, Z. J. Shi, and B. Li, ―A DSP implementation of OFDM acoustic modem,‖ in Proc. Second Workshop on Underwater Networks, New York, USA: ACM, 2007, pp. 89–92.  || The success of multicarrier modulation in the form of OFDM in radio channels illuminates a path one could take towards high-rate underwater acoustic communications, and recently there are intensive investigations on underwater OFDM. In this paper, we implement the acoustic OFDM transmitter and receiver design of [4,5] on a TMS320C6713 DSP board. We analyze the workload and identify the most time-consuming operations. Based on the workload analysis, we tune the algorithms and optimize the code to substantially reduce the synchronization time to 0.2 seconds and the processing time of one OFDM block to 1.7 seconds on a DSP processor at 225 MHz. This experimentation provides guidelines on our future work to reduce the per-block processing time to be less than the block duration of 0.23 seconds for real time operations. ||Underwater acoustic communication ||http://dl.acm.org/citation.cfm?id=1287831
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| C. V. Lopes and P. M. Aguiar, ―Acoustic modems for ubiquitous computing,‖ IEEE Pervasive Computing, vol. 2, no. 3, pp. 62–71, 2003. || Considers how sound offers features not available with other short-range, low bandwidth communication technologies, such as radio and infrared, enabling communication among small computing devices and humans in a ubiquitous computing environment.  ||Different types of transmission technologies are evaluated: Amplitude Shift Keying, Frequency Shift Keying, Frequency Hopping and other modulation schemes ||http://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=1228528
 
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Revision as of 10:17, 20 March 2017

Name Description Comment Links
A. Madhavapeddy, D. Scott, A. Tse, and R. Sharp, ―Audio Networking: The forgotten wireless technology,‖ IEEE Pervasive Computing, vol. 4, no. 3, pp. 55–60, July 2005. In this article, we'll review various modulation schemes we've worked with previously, covering how to transfer data to nearby smart phones as well as usability and security issues. We'll consider audio networking as a mechanism for introducing data packets into ongoing mobile phone calls. We'll also discuss some real-world problems reported with telephone conferencing and apply audio-networking techniques to them in a case study application http://ieeexplore.ieee.org/abstract/document/1495392/
H. Yan, S. Zhou, Z. J. Shi, and B. Li, ―A DSP implementation of OFDM acoustic modem,‖ in Proc. Second Workshop on Underwater Networks, New York, USA: ACM, 2007, pp. 89–92. The success of multicarrier modulation in the form of OFDM in radio channels illuminates a path one could take towards high-rate underwater acoustic communications, and recently there are intensive investigations on underwater OFDM. In this paper, we implement the acoustic OFDM transmitter and receiver design of [4,5] on a TMS320C6713 DSP board. We analyze the workload and identify the most time-consuming operations. Based on the workload analysis, we tune the algorithms and optimize the code to substantially reduce the synchronization time to 0.2 seconds and the processing time of one OFDM block to 1.7 seconds on a DSP processor at 225 MHz. This experimentation provides guidelines on our future work to reduce the per-block processing time to be less than the block duration of 0.23 seconds for real time operations. Underwater acoustic communication http://dl.acm.org/citation.cfm?id=1287831
C. V. Lopes and P. M. Aguiar, ―Acoustic modems for ubiquitous computing,‖ IEEE Pervasive Computing, vol. 2, no. 3, pp. 62–71, 2003. Considers how sound offers features not available with other short-range, low bandwidth communication technologies, such as radio and infrared, enabling communication among small computing devices and humans in a ubiquitous computing environment. Different types of transmission technologies are evaluated: Amplitude Shift Keying, Frequency Shift Keying, Frequency Hopping and other modulation schemes http://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=1228528