Diff: PBCC

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 I'll try not to get too technical.. :) 

 

-[PBCC] stands for Packet Binary Convolutional Code, and is the base technology behind [802.11b+]. [PBCC] offers many advantages over [CCK] (which is what [802.11b] uses), while offering the ability for [802.11b+] devices to remain compatible with [802.11b] devices. 

+[PBCC] stands for Packet Binary Convolutional Code, and is the base technology behind [802.11b-plus 802.11b+]. [PBCC] offers many advantages over [CCK] (which is what [802.11b] uses), while offering the ability for [802.11b-plus 802.11b+] devices to remain compatible with [802.11b] devices. 

 

 [CCK] has a short block-length for its eight-Quadrature Phase Shift Keying ([QPSK]) data symbols. [PBCC], on the other hand, uses 64 state symbols. This means that [PBCC] can carry more data. 

 

 [PBCC]'s "Convolutional Coding" is a method of Forward Error Correction ([FEC]) which lowers the error rate without any need to increase transmission power. In theory, this means using PBCC, you should be able to increase your data rate while extending the distance your signal can travel without harmful degradation. 

 

-[PBCC] has the potential to deliver up to 33Mbps in the 2.4GHz [ISM] band, but its implementation in [802.11b+] only includes 22Mbps, 11Mbps and 5.5Mbps usage. 

+[PBCC] has the potential to deliver up to 33Mbps in the 2.4GHz [ISM] band, but its implementation in [802.11b-plus 802.11b+] only includes 22Mbps, 11Mbps and 5.5Mbps usage. 

 

-Texas Instruments currently makes all the [PBCC]/[802.11b+] chipsets. More information can be found at [http://www.ti.com/sc/wirelessethernet]. 

+Texas Instruments currently makes all the [PBCC]/[802.11b-plus 802.11b+] chipsets. More information can be found on the (http://www.ti.com/sc/wirelessethernet TI website).