IJSPR: Volume 01 Number 01
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IJSPR - Volume 01, Number 01

Published On : May 2014
SNo. Paper Title & Authors Page
Abstract: Steganography is the science that includes conveying mystery information in a suitable sight and sound transporter, e.g., picture, sound and feature documents. It goes under the suspicion that if the characteristic is obvious, the purpose of strike is clear, subsequently the objective here is dependably to hide the exact presence of the installed information. The development of fast workstation systems and that of the Internet, specifically, has expanded the simplicity of Information Communication. Unexpectedly, the reason for the advancement is likewise of the dread - utilization of computerized arranged information. In examination with Analog media, Digital media offers a few notable focal points, for example, brilliant, simple altering, high constancy duplicating, pressure and so forth. Anyhow this sort progression in the field of information correspondence in other sense has trekked the dread of getting the information snooped at the time of sending it from the sender to the collector. In this way, Information Security is turning into an entwined some piece of Data Communication. With a specific end goal to address this Information Security Steganography assumes a paramount part. Steganography is the workmanship and art of composing concealed messages in such a path, to the point that nobody separated from the sender and expected beneficiary even acknowledges there is a shrouded message. This paper is an exercise audit of the steganography systems showed up in the literary works. Different picture steganography procedures have been proposed. In this paper, we examine steganography strategies and steganalysis systems.
Keywords - Steganography, JPEG image, capacity, stego image, security and information hiding.
Abstract: As of late reversible rationale has risen as a guaranteeing processing model for provisions in scattering less optical registering, low power CMOS, quantum figuring, and so on. In reversible circuits there exist a coordinated mapping between the inputs and the yields bringing about no misfortune of data. Analysts have actualized reversible rationale doors in optical processing area as it can give fast and low vitality prerequisite alongside simple creation at the chip level. Reversible rationale is generally being recognized as the potential rationale outline style for usage in cutting edge nanotechnology and quantum processing with negligible effect on physical entropy. Late developments in reversible rationale take into account enhanced quantum machine calculations and plans for comparing workstation architectures. Huge commitments have been made in the writing towards the outline of reversible rationale door structures and number-crunching units, notwithstanding, there are relatively few deliberations steered towards the configuration of reversible Alus. In this paper, we propose the configuration of two programmable reversible rationale entryway structures focused at ALU execution and their utilization in the acknowledgment of a proficient reversible ALU is exhibited. The proposed ALU outline is checked and its favorable circumstances over the main existing ALU configuration are quantitatively dissected.
Keywords – Arithmetic Logic Unit; Carry Look-Ahead Adder; Carry-Select Adder; Emerging Technologies; Low Power; Nanotechnology; Reversible Logic; Ripple-Carry Adder.
Abstract: In this paper, we think about a correspondence framework that uses M-ary stage movement keying (MPSK), M-ary quadrature adequacy balance (MQAM), M-ary differential stage movement keying (MDPSK) and M-ary beat sufficiency regulation (MPAM) to transmit data over a Rayleigh blurring channel annoyed by added substance white Gaussian commotion (AWGN). This paper considers the execution of a double jump increase and-forward (AF) framework where the source- hand-off and transfer end channels experience Rayleigh and Rician blurring, individually. The transfer hub is tainted by Rayleigh blurred numerous co-channel impedances. For the reproduction of Rayleigh blurring channel the diverse property estimations e.g. way postpones, normal way picks up, greatest Doppler shifts, Doppler range parameters and so forth are picked legitimately to reflect a reasonable blurring channel. An asset streamlining issue that minimizes the aggregate transmit vitality is defined. Since vitality improvement has been seriously examined in the writing, area streamlining will be explored.
Keywords-Rayleigh fading, Doppler power spectral density, M-ary modulation, bit error rate.
Abstract: With across the board quick advancement of machines and the remote correspondence, the versatile registering has as of recently turned into the field of machine interchanges in prominent connection. Portable customers and Mobile Ad Hoc Network (MANET) are a gathering of two or more gadgets or terminals with remote interchanges and systems administration competence that correspond with one another without the support of any incorporated head additionally the remote hubs that can alterably structure a system to trade data without utilizing any existing altered system foundation. Portable customers and MANET could be either heterogeneous or homogeneous relying upon the sorts of versatile hubs being included. In this paper we proposed a review of remote correspondence innovation for portable hub and versatile specially appointed system, remote transmission and the end Mobile correspondence through homogeneous and heterogeneous systems.
Keywords: Ad hoc, Wi-Fi, WiMAX, 3G, MN, Vertical Handover, Horizontal Handoff.
Abstract- The low-power IEEE 802.15.4 standard digital radios for the wireless personal area networks in embedded applications requiring low data rates and low power consumption. ZigBee's current focuses to define a universal-purpose, inexpensive, self-organizing, mesh network that can be used for industrial control, embedded sensing, the medical data collection, smoke and the intruder warning, building automation, home automation. The resulting network will use very small amounts of power so individual devices might run for a year or two using the originally installed battery. The radio design has been used by ZigBee has been carefully optimized for low cost in large scale production. It has the few analog stages and uses digital circuits wherever possible. Even after the radios are cheap, the ZigBee ability Process involves a full validation of the requirements of the physical layer. An uncertified physical layer that malfunctions could cripple the Battery lifespan of other devices on a Zigbee Network. Where other protocols could mask poor sensitivity or other esoteric problems in a fade compensation response, ZigBee radios have very unique engineering constraints: they are both power and bandwidth constrained. In this research paper, we have investigated the advancement and technology of Zigbee.
Keywords - MISO, ZIGBEE, Physical Layer, OQPSK.
Abstract- Underwater acoustic communication is more challenging than terrestrial communication. UWAC have various useful application including military use ,discovering of new resources, remote control in off-shore oil industry, monitoring pollution in ecological systems, efficient collection of scientific data recorded at stations located at sea bed, communication among divers also underwater vehicles and mapping of the sea bed for detecting objects and so forth. The signals that are used to carry digital information through an underwater channel are acoustic waves, which could propagate over long distances. Some are the factors affects communication like background noise, the multipath propagation, attenuation and low speed of the sound. The channel capacity is the highest data rate that could be supported by acoustic channel for source and receiver. The baseband signal might be in the form the data, voice, wave or information. In this survey paper we introduce the properties of acoustic propagation in seawater and different underwater acoustic channel characteristics and consider analysis of bandwidth, the frequency, loss, study the various properties of the acoustic channel and finally, we compared the characteristics n previous work of each model from different aspects.
Keywords- Acoustic communications, Acoustic channels, Propagation effect, Multipath propagation, signal to noise ratio.