Method and apparatus for extending coverage in communication system
摘要
說明書
When a PUSCH is indicated to be repeatedly transmitted K times, and it is not indicated to perform a frequency hopping, a frequency resource in a time window in which a PUSCH occasion is transmitted may maintain the same set of physical resource blocks (PRBs). Alternatively, when it is indicated to perform frequency hopping, the frequency resource may have two or more PRB sets. The PRB set may refer to frequency domain resource assignment (FDRA) or RB assignment indicated (or configured) by a DCI and/or RRC signaling for allocating the PUSCH occasion.
In order to perform frequency hopping, the base station may transmit information (e.g., configuration information) indicating activation or deactivation of frequency hopping to the terminal using RRC signaling. When frequency hopping is activated, whether to perform the frequency hopping may be indicated by a DCI and/or RRC signaling for allocating the PUSCH occasion.
When the frequency hopping for the PUSCH occasion transmission is performed, the base station receiving the PUSCH occasion may obtain a frequency multiplexing gain. The frequency hopping scheme may be classified into a frequency hopping scheme within a slot (hereinafter, referred to as a ‘first frequency hopping scheme’) and a frequency hopping scheme at a slot boundary (hereinafter referred to as a ‘second frequency hopping scheme’).
When the first frequency hopping scheme is used, frequency hopping for a PUSCH instance may be performed, and the PUSCH instance may be repeated. A frequency hop of each PUSCH instance may consist of half the symbols constituting the corresponding PUSCH instance (or ‘a(chǎn) maximum integer number of symbol(s) not exceeding than half of the symbols’ or ‘a(chǎn) minimum integer number of symbols not less than half of the symbols’).
