Scheduling request transmission supporting high doppler

An apparatus, comprising:

• a spreader to perform block spreading of a symbol sequence including one or more scheduling requests, with spreading codes that result in partial orthogonality of the symbol sequence, and
• a transmitter sending the one or more scheduling requests spread block-wise with said partial orthogonality, the partial orthogonality being carried out using an even number of spreading factors for the block spreading.

A method of transmitting scheduling requests, comprising:

• sending a signal to user equipment, the signal being indicative of spreading codes to block spread a symbol sequence including one or more scheduling requests, with the spreading codes resulting in partial orthogonality of the symbol sequence, and
• receiving the one or more scheduling requests spread block-wise with said partial orthogonality, the partial orthogonality being carried out using an even number of spreading factors for the block spreading.

An apparatus, comprising:

• a transmitter sending a signal to user equipment, the signal being indicative of spreading codes to block spread a symbol sequence including one or more scheduling requests, with the spreading codes resulting in partial orthogonality of the symbol sequence, and
• a receiver receiving the one or more scheduling requests spread block-wise with said partial orthogonality, the partial orthogonality being carried out using an even number of spreading factors for the block spreading.