| 摘要 |
<p>A method and system for performing handover in a third generation (3G) long term evolution (LTE) system are disclosed. Either a wireless transmit/receive unit (WTRU) performs timing adjustment with a target/second eNode-B using a random access channel (RACH) access procedure, and resets the radio link control (RLC) and the hybrid automatic repeat request (HARQ) after having received the handover command or the WTRU performs and sends measurement to a source eNode-B, receives a handover command from the source/first eNode-B, the handover command including an indication regarding a type of timing adjustment procedure to be used, wherein the indication regarding the type of timing adjustment indicates whether a dedicated Random Access Channel (RACH) preamble or a random RACH preamble is to be used for a random access procedure, and the WTRU performs handover to the target/second eNode-B using information included in the handover command.</p> |
