| 摘要 |
A method generates (200) a radio signal to be used for ranging. For each of one of multiple frames (501,505) to be transmitted as a ranging symbol, a first time interval (560) and a second time interval (580) are allocated. The ranging symbol is then transmitted as a set of pulses in each of the frames ((501,505)) only during the first time interval (560), and the second time interval (580) has a length to reduces inter-frame interference.
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