| 摘要 |
Disclosed are a method, system and device for determining an SRS frequency hopping pattern. The method includes: user equipment constructing a parent table which contains a plurality of child tables; determining an SRS frequency-domain reference position p according to NRBUL, CSRS, nRRC and bhop; calculating n′RRC according to NRBUL, CSRS and nRRC and selecting a child table from the parent table according to the n′RRC; according to the nSRS and the selected child table, taking n′SRS=(nSRS mod P)·S as an index to look up the table to obtain an SRS frequency hopping frequency-domain position offset q in each SRS frequency hopping period according to an SRS frequency hopping bandwidth parameter bhop and an SRS-bandwidth parameter BSRS distributed by an eNodeB; calculating r=p+q and calculating an SRS transmission frequency-domain subcarrier offset k0; repeating the processing for P times within one SRS frequency hopping period to obtain an SRS frequency hopping pattern. |
| 主权项 |
1. A method for determining a sounding reference signal (SRS) frequency hopping pattern, comprising:
a user equipment (UE) constructing a parent table, wherein the constructed parent table contains a plurality of child tables, wherein, each value combination of a bandwidth configuration parameter (CSRS) and an n′RRC corresponds to a child table; the UE determining an SRS frequency-domain reference position p according to a system uplink bandwidth NRBUL, and an SRS bandwidth configuration parameter CSRS, an SRS frequency-domain position index nRRC and an SRS frequency hopping bandwidth parameter bhop distributed by an eNodeB; the UE calculating another n′RRC according to the system uplink bandwidth NRBUL, the SRS bandwidth configuration parameter CSRS distributed by the eNodeB, and based on the SRS frequency-domain position index nRRC, and selecting a child table from the constructed parent table according to the obtained n′RRC; the UE obtaining an SRS frequency hopping frequency-domain position offset q by looking up the table and taking n′SRS=(nSRS mod P)·S as an index, according to an SRS transmission occasion counter nSRS and based on the selected child table, in each SRS frequency hopping period, according to the SRS frequency hopping bandwidth parameter bhop and the SRS bandwidth parameter BSRS distributed by the eNodeB; adding the SRS frequency-domain reference position p and the SRS frequency hopping frequency-domain position offset q to obtain a current SRS transmission frequency-domain position r=p+q; calculating an SRS transmission frequency-domain subcarrier offset k0 according to the SRS transmission frequency-domain position r; repeating the above-mentioned processing steps for P times within one SRS frequency hopping period to obtain an SRS frequency hopping pattern, wherein, a value of P is determined based on bhop and BSRS together, and S is a step length related to bhop. |
