For information about 4G LTE Advanced Carrier Aggregation or Channel Aggregation being proposed as part of the overall 4G enhancements to LTE, see e.g.: http://www.radio-electronics.com/inf...ggregation.php
To achieve very high data rates it is necessary to increase the transmission bandwidth vs. single carrier or channel.
The method is called Carrier Aggregation (CA).
Utilizing more than one carrier with LTE Advanced CA increases the overall transmission bandwidth.
The carriers may be in Contiguous elements of the spectrum, or they may be in different bands (Non-Contiguous). LTE Advanced CA is supported by both, FDD and TDD modes.
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