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APPENDIX A
Super G
SuperG™ is an assemble of solutions that are Atheros® properties .They allow you to obtain performances far superior to the IEEE802.11g standard .
Performance | Security |
Atheros® chip which has been purposely | The integration of an |
developed for the property technology of | allows the use of the best |
SuperG™, reaches a performance boost never | (WPA) avoiding any loss of performance is an |
seen before , reaching results that are even | highly relevant characteristic . |
doubled contrasted with the ones from |
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IEEE802.11g devices . |
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Technologies and Performances:
•Packet Bursting. It is a particular technique of transmission that aims to enlarge the throughput reducing the usual overhead of the wireless transmissions. Every transmission is divided from the following one by a period called Distributed Interframe Space (DIFS). After this weft all the devices contend for the access. On the contrary when you use the Packet Bursting technique you can have more transmissions taking place in a unique sequence.
•Fast Frames (dynamic transmit optimisations). This technique aims to enlarge the throughput increasing the number of bits sent by frame and reducing the frame time itself. Both the algoritmi for the contest and the frame structure itself have been improved in order to increase the performances. This means that in every 802.11 frame they put no longer a single Ethernet package of 1500 byte, instead the frame structure results from a range of elaborations aiming to obtain optimum condition for the transmission speed.
•Data Compression. In the chip there is implemented an engine that uses a compression algoritmo of the Lempel Ziv kind (similar to the Winzip one ). Any kind of transmission is first compress , then transmitted and at last decompress by the receiver , in a totally clear way for the user. It’s clear that , depending on the data sent , the earnings will be limited or relevant
•Turbo Mode .The range provided by different channels is being unified in order to double the data rate. The Turbo Mode integrates the possibility to go back to a traditional use of the channels in order to permit to the IEEE802.11g devices to operate correctly.With the Turbo Mode the only channel used is number 6. The
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