System and method for providing multicarrier HSDPA backward compatibility
A multi-carrier, compatible technology, applied in transmission systems, digital transmission systems, electrical components, etc., can solve problems such as inability to effectively support multi-carrier HSDPA terminals, and achieve the effect of backward compatibility
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[0042] The core of the present invention is that on the basis of adding a MAC-hs protocol data unit structure supporting multi-carrier HSDPA, the radio network controller determines the used MAC-hs protocol data unit according to the terminal's ability to support multi-carrier HSDPA structure, and inform the base station of the structure so that the base station uses the corresponding MAC-hs protocol data unit structure when sending downlink data to the terminal, and the terminal determines which MAC-hs protocol data unit to use according to its ability to support multi-carrier HSDPA The structure analyzes the received downlink MAC-hs protocol data unit.
[0043] In the TD-SCDMA system, taking the user terminal to start a data transmission process as an example, the process from starting the connection to allocating resources is as follows:
[0044] Carry out RRC (Radio Resource Control, radio resource control) establishment process, establish the signaling connection between ...
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