| 摘要 |
A method as well as an apparatus for transmitting data from a local transmitter (12, 500) to a remote receiver (14, 600) is described, the method comprising transmitting a radio link control command (16, 17, 18) from the local transmitter (12, 500) to the remote receiver (14, 600), transmitting a polling command (34) without requiring transmission of user-plane data in response to detecting a polling event, wherein transmitting the polling command (34) comprises transmitting a protocol data unit with zero-length data and a header portion of a previously transmitted protocol data unit and receiving a status protocol data unit (38) from the remote receiver (14, 600). Also, a corresponding receiving method and apparatus is described. |
