Electronic apparatus, radio communication method and computer-readable medium for discovery reference signal operations
Disclosed are an electronic apparatus, a radio communication method and a computer-readable medium. The electronic apparatus for radio communication according to one embodiment comprises a processing circuit. The processing circuit is configured to: determine a time length of a sending window of a discovery reference signal based on a target number of candidate positions of a synchronous signal block of the discovery reference signal and a subcarrier spacing; and control the sending of the discovery reference signal based on the determined time length.
1. An electronic device for wireless communication, comprising processing circuitry configured to:
determine a duration of a transmission window of a discovery reference signal, wherein the duration of the transmission window is determined based on each of:
a subcarrier spacing, and
a target number of candidate positions for a synchronization signal block of the discovery reference signal; and
control transmission of the discovery reference signal based on the determined duration.
2. The electronic device according to claim 1 , wherein the processing circuitry is configured to:
determine the duration of the transmission window to be a minimum duration capable of accommodating the target number of synchronization signal blocks at the subcarrier spacing.
3. The electronic device according to claim 1 , wherein the processing circuitry is further configured to determine a duration of the discovery reference signal.
4. The electronic device according to claim 3 , wherein the processing circuitry is configured to:
determine the duration of the discovery reference signal to be in a fixed length, and
allow part of the synchronization signal block to be discarded during transmission of the discovery reference signal.
5. The electronic device according to claim 3 , wherein the processing circuitry is configured to:
determine a maximum value of the duration of the discovery reference signal, and
perform transmission of the discovery reference signal in a duration within the maximum value.
6. The electronic device according to claim 3 , wherein the processing circuitry is configured to:
determine the duration of the discovery reference signal to be a minimum duration capable of accommodating a preset number of synchronization signal blocks at the subcarrier spacing.
7. The electronic device according to claim 1 , wherein the processing circuitry is further configured to:
embed, in the synchronization signal block, indication information related to a time offset of the synchronization signal block.
8. The electronic device according to claim 7 , wherein the indication information indicates the time offset in units of symbol, non-slot, synchronization signal block, time slot, or half frame.
9. The electronic device according to claim 7 , wherein the processing circuitry is further configured to:
set the time offset so that the synchronization signal block does not cross a half frame boundary.
10. The electronic device according to claim 1 , wherein the transmission of the discovery reference signal comprises:
transmitting a plurality of synchronization signal blocks in a manner that a plurality of transmit beams are in one-to-one correspondence to the plurality of synchronization signal blocks.
11. A method performed by an electronic device configured for wireless communication and comprising processing circuitry, the method comprising:
determining a duration of a transmission window of a discovery reference signal, wherein the duration of the transmission window is determined based on each of:
a subcarrier spacing, and
a target number of candidate positions for a synchronization signal block of the discovery reference signal; and
transmitting the discovery reference signal based on the determined duration.