نتایج جستجو برای: bandwidth compression
تعداد نتایج: 142223 فیلتر نتایج به سال:
The development of Internet Protocol version 6 (IPv6) came with a larger header size 40-Byte compared the 20-Byte 4 (IPv4) which would have made IPv6 protocol bottleneck in data transmission over global network. Practically, given same user transmitted physical-layer network medium both IPv4-enabled and IPv6-enabled networks, speed be slower setup to IPv4 scenario, but bandwidth is optimized in...
Image Compression reduces redundancy in data representation in order to achieve saving in the cost of storage and transmission. Image compression compensates for the limited on-board resources, in terms of mass memory and downlink bandwidth and thus it provides a solution to the "bandwidth vs. data volume" dilemma of modern spacecraft. Thus compression is very important feature in pay...
Overheads associated with MPEG-4 video compressed packets reduce bandwidth efficiency. Mobile operators may save a significant percentage of the required bandwidth using IP header compression technologies, and thereby reduce necessary investments. In this paper, a novel header compression scheme for MPEG-4 video packets is proposed and analysed. It is designed to complement existing IP header c...
For all types of space missions, the available bandwidth for the transmission of data back to Earth is an important constraint with significant impact on vehicle design, onboard resources, and mission operations. The efficient compression of science and housekeeping data allows maximizing the utilization of available bandwidth and onboard resources. While data compression is traditionally used ...
Logging while drilling (LWD) is a drilling technique which obtains and transmits the logging data during oil/gas drilling operations. Because of the limited available transmission bandwidth of mud channel, how to improve the bandwidth utilization becomes a critical problem in LWD research. In this paper, by discussing the information entropy of real logging data, we find that the original encod...
Internet is very essential for any form of communication. The average net user and communicated through text, images and videos, of these the simplest and easiest is through text as it is quick as simple to use as sending text very little bandwidth. The problem with images and videos is that they require large bandwidth the send and receive. Therefore, there is a need to decrease the size of th...
Digital image in raw form require a large amount of storage capacity. Due to limited bandwidth and storage capacity, images must be compressed before storing and transmitting. Image compression means reducing the size of the graphics file, without compromising on its quality. This paper entails the survey of various image compression techniques and highlights the important features of each meth...
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