Method, system and equipment for power headroom report
A technology of power headroom and power, applied in power management, wireless communication, electrical components, etc., can solve problems such as power headroom reporting and achieve the effect of improving system performance
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example 1
[0108] Example 1. Assumption: 1 PCell and 1 SCell are configured for the UE, the PH reporting time is triggered on the PCell, and preamble transmission is performed on the SCell at the same time.
[0109] 1. At time t, there is a new PUSCH transmission on the PCell and the PH reporting condition is met, and there is a Preamble transmission on the SCell at the same time;
[0110] 2. The UE uses formula 1 to determine the power headroom value corresponding to the SCell, and adds the power headroom value corresponding to the SCell to the extended PHR MACCE, where the corresponding PHR MAC CE format is as follows Figure 6 shown, where Figure 6 For the newly added part in the PHR MAC CE, please refer to the bold font, and for the physical meaning of the remaining parts, please refer to the 3GPP 36.321 agreement;
[0111] 3. After receiving the Extended PHR MAC CE, the eNB obtains the power headroom on the SCell. When the subsequent preamble and PUSCH and / or PUCCH are transmitted...
example 2
[0112] Example 2: Assumption: 1 PCell and 1 SCell are configured for the UE, the PH reporting time is triggered on the PCell, and preamble transmission is performed on the SCell at the same time.
[0113] 1. At time t, there is a new PUSCH transmission on the PCell and the PH reporting condition is met, and there is a Preamble transmission on the SCell at the same time;
[0114] 2. The UE determines the power headroom value corresponding to the SCell according to the virtual physical uplink channel, and adds the power headroom value corresponding to the SCell to the extendedPHR MAC CE, where the corresponding PHR MAC CE format is as follows Figure 7 shown, where Figure 7 For the newly added part in the PHR MAC CE, please refer to the bold font, and for the physical meaning of the remaining parts, please refer to the 3GPP 36.321 agreement;
[0115] 3. After the eNB receives the Extended PHR MAC CE, it obtains the power headroom on the SCell. When the subsequent preamble is t...
example 3
[0116] Example 3. Assumption: 1 PCell and 1 SCell are configured for the UE, the PH reporting time is triggered on the PCell, and preamble transmission is performed on the SCell at the same time.
[0117] 1. At time t, there is a new PUSCH transmission on the PCell and the PH reporting condition is met, and there is a Preamble transmission on the SCell at the same time;
[0118] 2. The UE determines the power headroom value corresponding to the SCell according to the virtual physical uplink channel, and adds the power headroom value corresponding to the SCell to the extendedPHR MAC CE and the information used to notify that there is a preamble at the moment when the power headroom is reported, and the corresponding PHR MAC CE format such as Figure 8 or Figure 9 shown, where Figure 8 and Figure 9 For the newly added part in the PHR MAC CE, please refer to the bold font, and for the physical meaning of the remaining parts, please refer to the 3GPP 36.321 agreement;
[0119...
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