Abstract
A method and apparatus are disclosed for reporting a power headroom report (PHR) in a carrier aggregation scenario. The method includes the following steps: when a user equipment (UE) reports the PHR in a scenario where a physical uplink control channel (PUCCH) and a physical uplink shared channel (PUSCH) can be transmitted concurrently if no PUSCH is transmitted over the Uplink Primary Component Carrier (UL PCC) configured by an eNB for the UE then a virtual type1 PH and/or a virtual type2 PH corresponding to the UL PCC are reported; if a PUSCH rather than a PUCCH is transmitted over the UL PCC configured by the eNB for the UE then the type1 PH corresponding to the UL PCC is reported or the virtual type2 PH and the type1 PH corresponding to the UL PCC are reported. User equipment is also disclosed.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| 4G | 23/02/2016 | ISLD-201602-005 | ZTE CORPORATION |
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| 5G,4G,3G,2G | 23/02/2016 | ISLD-201602-005 | ZTE CORPORATION | No | Family Member | ||||
| 4G | 20/09/2018 | ISLD-201809-328 | ZTE CORPORATION |
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| 4G | 30/10/2019 | ISLD-201910-058 | ZTE CORPORATION |
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| 5G | 30/10/2019 | ISLD-201910-058 | ZTE CORPORATION |
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Specification Information
Specification Information
Technologies
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| CN102448160A | 5G,4G,3G,2G | 23/02/2016 | ISLD-201602-005 | ZTE CORPORATION | Yes | Basis Patent | ||||
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| CN102448160B | 4G | 20/09/2018 | ISLD-201809-328 | ZTE CORPORATION |
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
Resource configuration Power Control
Product
User Equipment (UE/Terminal)
Use Cases
Network OptimizationWireless communication
Services
Transmitting/receiving data in uplink
Claim
A method for reporting a power headroom report PHR in a carrier aggregation scenario, comprising:
when a user equipment UE reports the PHR in a scenario where a physical uplink control channel PUCCH and a physical uplink shared channel PUSCH can be transmitted concurrently, if no the PUSCH is transmitted over an Uplink Primary Component Carrier (UL PCC) configured by a base station eNB for the UE, the UE reporting at least one of a virtual type1 PH and a virtual type2 PH corresponding to the UL PCC; if the PUSCH rather than the PUCCH is transmitted over the UL PCC configured by the eNB for the UE, the UE reporting the type1 PH corresponding to the UL PCC or reporting the virtual type2 PH and the type1 PH corresponding to the UL PCC; wherein,
the virtual type1 PH is the type1 PH calculated when taking a transmission power of the PUSCH channel in a reference format as the transmission power of the PUSCH channel if no the PUSCH is transmitted; and
the virtual type2 PH is a type2 PH calculated when taking the transmission power of the PUSCH channel in the reference format or the transmission power of the PUSCH channel with 0 power as the transmission power of the PUSCH channel if no the PUSCH is transmitted; and/or, when taking the transmission power of the PUCCH channel in a reference format as the transmission power of the PUCCH channel if no the PUCCH is transmitted.
2. The method according to claim 1, further comprising:
when the UE reports the PHR in the scenario where the PUCCH and PUSCH can be transmitted concurrently, if no PUSCH is transmitted over the Uplink Secondary Component Carrier (UL SCC) configured by the eNB for the UE, the UE reporting a virtual type1 PH corresponding to the UL SCC.
3. The method according to claim 1, wherein:
the PHR reported by the UE comprises PHs corresponding to all Uplink Component Carriers (UL CC) configured by the eNB for the UE, or PHs corresponding to all activated UL CCs in the UL CCs configured by the eNB for the UE are reported, or all UL CCs with data scheduling in the UL CCs configured by the eNB for the UE are reported.
4. The method according to claim 1, further comprising:
the UE encapsulating all or part of the PHs corresponding to the UL CC which need to be reported in an identical PHR in order, and carrying one piece of mode indicating information in the PHR, and then reporting the PHR to the eNB; or carrying the mode indicating information with a logical channel identifier (LCID) corresponding to the PHR, and reporting the mode indicating information to the eNB along with the PHR; wherein,
the mode indicating information is used to indicate 3 modes of the PHR, wherein, in a first mode, the PHR comprises the type1 PH corresponding to the UL PCC and the type1 PH corresponding to the UL SCC; in a second mode, the PHR comprises the type1 PH and the type2 PH corresponding to the UL PCC, and the type1 PH corresponding to the UL SCC; in a third mode, the PHR comprises the type2 PH corresponding to the UL PCC, and the type1 PH corresponding to the UL SCC.
5. The method according to claim 4, further comprising:
when the UE reports the PHR, if it is detected that a power backoff occurs, further encapsulating a UE specific PH in the PHR, and carrying one piece of power backoff indicating information in the PHR, and then reporting the PHR to the eNB;
or, if it is detected that a power backoff occurs, encapsulating the UE specific PH as a PHR separately, and carrying one piece of power backoff indicating information in the PHR encapsulated with the UE specific PH, and then reporting the PHR to the eNB; or carrying the power backoff indicating information with the LCID corresponding to the PHR, and reporting the power backoff indicating information along with the PHR to the eNB.
6. The method according to claim 4, wherein:
in the step of the UE encapsulating all or part of the PHs corresponding to the UL CC which need to be reported in an identical PHR in order, when the UE encapsulates the PHR, one PH is carried by one byte in the PHR, comprising: taking first 2 bits of one byte as reserved bits, and leaving following 6 bits to carry one PH;
or, taking every 6 bits of the PHR to carry one PH, and leaving 6 bits following said 6 bits to carry another PH.
7. The method according to claim 6, wherein:
the UE takes a plurality of bits in a first byte according to a preset order in the PHR to respectively indicate whether each UL CC configured by the UE reports the PH; or
the UE, when taking every 6 bits of the PHR to carry one PH, further adds several bits as PH identification bits among every 2 PHRs to indicate a UL CC to which each PH belongs.
8. An apparatus for reporting a power headroom report PHR in a carrier aggregation scenario, comprising a user equipment UE and a base station eNB, wherein:
the UE is configured to, when reporting the PHR in a scenario where a physical uplink control channel PUCCH and a physical uplink shared channel PUSCH can be transmitted concurrently, if no the PUSCH is transmitted over an Uplink Primary Component Carrier (UL PCC) configured by the base station eNB for the UE, report at least one of a virtual type1 PH and a virtual type2 PH corresponding to the UL PCC; if the PUSCH rather than the PUCCH is transmitted over the UL PCC configured by the eNB for the UE, report the type1 PH corresponding to the UL PCC or report the virtual type2 PH and the type1 PH corresponding to the UL PCC; wherein,
the virtual type2 PH is the type1 PH calculated when taking a transmission power of the PUSCH channel in a reference format as the transmission power of the PUSCH channel if no the PUSCH is transmitted; and
the virtual type2 PH is the type2 PH calculated when taking the transmission power of the PUSCH channel in the reference format or the transmission power of the PUSCH channel with 0 power as the transmission power of the PUSCH channel if no the PUSCH is transmitted, and/or, when taking the transmission power of the PUCCH channel in a reference format as the transmission power of the PUCCH channel if no the PUCCH is transmitted.
9. The apparatus according to claim 8, wherein:
the UE is further configured to, when reporting the PHR in the scenario where the PUCCH and PUSCH can be transmitted concurrently, if no PUSCH is transmitted over the Uplink Secondary Component Carrier (UL SCC) configured by the eNB for the UE, report a virtual type1 PH corresponding to the UL SCC.
10. The apparatus according to claim 8, wherein:
the PHR reported by the UE comprises PHs corresponding to all Uplink Component Carriers (UL CC) configured by the eNB for the UE, or PHs corresponding to all activated UL CCs in the UL CCs configured by the eNB for the UE are reported, or all UL CCs with data scheduling in the UL CCs configured by the eNB for the UE are reported.
11. The apparatus according to claim 8, wherein:
the UE is further configured to encapsulate all or part of the PHs corresponding to the UL CC which need to be reported in an identical PHR in order, and carry one piece of mode indicating information in the PHR, and then report the PHR to the eNB; or carry the mode indicating information with a logical channel identifier (LCID) corresponding to the PHR, and report to the eNB the mode indicating information along with the PHR; wherein,
the mode indicating information is used to indicate 3 modes of the PHR, wherein, in a first mode, the PHR comprises the type1 PH corresponding to the UL PCC and the type1 PH corresponding to the UL SCC; in a second mode, the PHR comprises the type1 PH and the type2 PH corresponding to the UL PCC, and the type1 PH corresponding to the UL SCC; in a third mode, the PHR comprises the type2 PH corresponding to the UL PCC, and the type1 PH corresponding to the UL SCC.
12. The apparatus according to claim 11, wherein:
the UE is further configured to, when reporting the PHR, if it is detected that a power backoff occurs, further encapsulate a UE specific PH in the PHR, and carry one piece of power backoff indicating information in the PHR, and then report the PHR to the eNB;
or, if it is detected that a power backoff occurs, then encapsulate the UE specific PH as one PHR separately, and carry one piece of power backoff indicating information in the PHR encapsulated with the UE specific PH, and then report the PHR to the eNB; or carry the power backoff indicating information with the LCID corresponding to the PHR, and report the power backoff indicating information along with the PHR to the eNB.
13. The apparatus according to claim 11, wherein:
the UE is configured to encapsulate all or part of the PHs corresponding to the UL CC which need to be reported in an identical PHR in order according to a following way:
when encapsulating the PHR, one PH is carried by one byte in the PHR, comprising: taking first 2 bits of one byte as reserved bits, and leaving following 6 bits to carry one PH;
or, taking every 6 bits of the PHR to carry one PH, and leaving 6 bits following said 6 bits to carry another PH.
14. The apparatus according to claim 13, wherein:
the UE is further configured to take a plurality of bits in a first byte according to a preset order in the PHR to respectively indicate whether each UL CC configured by the UE reports the PH; or
the UE is further configured to, when taking every 6 bits of the PHR to carry one PH, further add several bits as PH identification bits among every 2 PHRs to indicate a UL CC to which each PH belongs.
15. The apparatus according to claim 8, wherein:
the eNB is further configured to notify the UE to suspend or resume uploading of the virtual type2 PH through a RRC signaling; and
the UE is further configured to suspend or resume the uploading of the virtual type2 PH according to the RRC signaling sent by the eNB.
16. The apparatus according to claim 8, wherein:
the UE is further configured to judge whether each type2 PH to be reported is a negative number when uploading the PHR, and if yes, not report the type2 PH.
17. The apparatus according to claim 8, wherein:
the UE is further configured to, when uploading the PHR, first, encapsulate the type1 PH in the PHs corresponding to the UL CC which needs to be reported as a PHR and send to the eNB, then, according to a preset priority, send data of which the priority is higher than that of the type2 PH to the eNB, and after that, if there still are enough resources to report the type2 PH, then encapsulate the type2 PH in the PHs corresponding to the UL CC which needs to be reported as a PHR and send to the eNB.
18. A user equipment UE, comprising a processing module and a calculation module, wherein:
the processing module is configured to, when reporting a PHR in a scenario where a physical uplink control channel PUCCH and a physical uplink shared channel PUSCH can be transmitted concurrently, if it is judged that no the PUSCH is transmitted over an Uplink Primary Component Carrier (UL PCC) configured by a base station eNB for the UE, control the calculation module to calculate at least one of a virtual type1 PH and a virtual type2 PH corresponding to the UL PCC, and then report a PH calculated by the calculation module to the base station eNB; if it is judged that PUSCH rather than the PUCCH is transmitted over the UL PCC configured by the eNB for the UE, then control the calculation module to calculate the type1 PH corresponding to the UL PCC or control the calculation module to calculate the virtual type2 PH and the type1 PH corresponding to the UL PCC, and then report the PH calculated by the calculation module to the base station eNB;
the calculation module is configured to calculate the PH corresponding to a Uplink Component Carrier (UL CC) under a control of the processing module, wherein,
the virtual type1 PH is the type1 PH calculated when taking a transmission power of the PUSCH channel in the reference format as the transmission power of the PUSCH channel if no the PUSCH is transmitted; and
the virtual type2 PH is the type2 PH calculated when taking the transmission power of the PUSCH channel in the reference format or the transmission power of the PUSCH channel with 0power as the transmission power of the PUSCH channel if no the PUSCH is transmitted, or, when taking the transmission power of the PUCCH channel in the reference format as the transmission power of the PUCCH channel if no the PUCCH is transmitted.
19. The user equipment according to claim 18, wherein:
the processing module is configured to control the calculation module to calculate the PH corresponding to the UL CC according to a following way: controlling the calculation module to calculate PHs corresponding to all configured UL CCs, or controlling the calculation module to calculate PHs corresponding to all activated UL CCs in the configured UL CCs, or controlling the calculation module to calculate all UL CCs with data scheduling in the configured UL CCs.
20. The user equipment according to claim 18, wherein:
the processing module is further configured to encapsulate all or parts of the PH corresponding to the UL CC which need to be reported in an identical PHR in order, and carry one piece of mode indicating information in the PHR, and then report the PHR to the eNB; or carry the mode indicating information with a logical channel identifier (LCID) corresponding to the PHR, and report to the eNB the mode indicating information along with the PHR; wherein,
the mode indicating information is used to indicate 3 modes of the PHR, wherein, in a first mode, the PHR comprises the type1 PH corresponding to the UL PCC and the type1 PH corresponding to the UL SCC; in a second mode, the PHR comprises the type1 PH and the type2 PH corresponding to the UL PCC, and the type1 PH corresponding to the UL SCC; in a third mode, the PHR comprises the type2 PH corresponding to the UL PCC, and the type1 PH corresponding to the UL SCC.
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SUMMARY
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