WO2013182039A1 - 一种上报功率余量的方法、系统和设备 - Google Patents
一种上报功率余量的方法、系统和设备 Download PDFInfo
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- WO2013182039A1 WO2013182039A1 PCT/CN2013/076715 CN2013076715W WO2013182039A1 WO 2013182039 A1 WO2013182039 A1 WO 2013182039A1 CN 2013076715 W CN2013076715 W CN 2013076715W WO 2013182039 A1 WO2013182039 A1 WO 2013182039A1
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- Prior art keywords
- power headroom
- network side
- side device
- headroom information
- user equipment
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 40
- 238000004220 aggregation Methods 0.000 claims abstract description 101
- 230000002776 aggregation Effects 0.000 claims abstract description 100
- 230000005540 biological transmission Effects 0.000 claims description 58
- 230000001960 triggered effect Effects 0.000 claims description 43
- 238000012545 processing Methods 0.000 claims description 21
- 230000008859 change Effects 0.000 claims description 15
- 239000000969 carrier Substances 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000004891 communication Methods 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 description 18
- 230000003993 interaction Effects 0.000 description 14
- 238000010586 diagram Methods 0.000 description 9
- 238000004590 computer program Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 6
- 230000011664 signaling Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000013507 mapping Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
- H04W52/365—Power headroom reporting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/03777—Arrangements for removing intersymbol interference characterised by the signalling
- H04L2025/03802—Signalling on the reverse channel
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0094—Indication of how sub-channels of the path are allocated
Definitions
- the present invention relates to the field of wireless communication technologies, and in particular, to a method, system, and device for reporting power headroom. Background technique
- the Long Term Evolution-Advanced (LTE-A) system has a much higher peak rate than the Long Term Evolution (LTE) system, requiring downlink lGbps and uplink 500 Mbps. At the same time, the LTE-A system requires good compatibility with the LTE system.
- the LTE-A system introduces Carrier Aggregation (CA) technology based on the need to improve peak rate, compatibility with LTE systems, and full use of spectrum resources.
- CA Carrier Aggregation
- the carrier aggregation technology is that the terminal can work simultaneously on multiple cells.
- the cells may be continuous or discontinuous in the frequency domain, and the bandwidth of each cell may be the same or different.
- the maximum bandwidth limit per cell is 20 MHz.
- a user equipment aggregates a maximum of five cell formats.
- a cell configured by a base station to a terminal may be referred to as a serving cell, but functions of different serving cells may not be identical. Therefore, the LTE-A system further divides the serving cell. as follows:
- PCell Primary Cell
- RRC Radio Resource Control
- PUCCH Physical Uplink Control Channel
- SCell The cells other than the Pcell in all cells aggregated by the user equipment are SCells.
- the power headroom report (PHR) defined in the LTE-A version 10 (R10) needs to report the power headroom (PH) information on the configured and activated cell, that is, once the PHR is triggered, all configurations are performed.
- the PH information on the activated cell is packaged and reported together.
- LTE-A R10 and previous versions only support UEs to aggregate carriers under the same e B.
- the existing PHR mechanism only supports UEs to aggregate carriers under the same eNB.
- the UEs of the later versions of LTE-AR10 can aggregate carriers under different eNBs, and the existing PHR mechanism is not applicable.
- a method, a system, and a device for reporting a power headroom according to an embodiment of the present invention are used to aggregate a power headroom in a scenario in which a UE aggregates carriers in different eNBs.
- a user equipment that aggregates resources of multiple network side devices determines power headroom information
- the user equipment sends the power headroom information to at least one network side device participating in the aggregation.
- the network side device receives the power headroom information reported by the user equipment that aggregates the resources of the multiple network side devices; the network side device performs scheduling according to the power headroom information.
- a determining module configured to: after the user equipment aggregates the resources of the multiple network side devices, determine the power headroom information; and the reporting module is configured to send the power headroom information to the at least one network side device participating in the aggregation.
- a receiving module configured to receive power headroom information reported by a user equipment that aggregates resources of multiple network side devices; and a processing module, configured to perform scheduling according to the power headroom information.
- a user equipment that aggregates resources of multiple network side devices, configured to determine power headroom information, and send the power headroom information to at least one network side device participating in the aggregation;
- the network side device is configured to receive power headroom information reported by the user equipment that aggregates resources of the multiple network side devices, and perform scheduling according to the power headroom information.
- the processor is configured to: after the user equipment aggregates the resources of the multiple network side devices, determine the power headroom information; and the signal sending device is configured to send the power headroom information to the at least one network side device participating in the aggregation.
- a signal receiving device configured to receive power headroom information reported by a user equipment that aggregates resources of multiple network side devices
- a processor configured to perform scheduling according to the power headroom information.
- the user equipment that aggregates the resources of the multiple network side devices reports the power headroom information to the at least one network side device that participates in the aggregation, so that the power headroom information is reported in the scenario that the UE aggregates the carriers in different eNBs;
- multiple base stations can obtain power headroom information and implement resource scheduling.
- FIG. 1 is a schematic structural diagram of a system for reporting power headroom according to an embodiment of the present invention
- 2A is a schematic structural diagram of user equipment in a system for reporting power headroom according to an embodiment of the present invention
- 2B is a schematic structural diagram of another user equipment in a system for reporting power headroom according to an embodiment of the present invention
- 3A is a schematic structural diagram of a network side device in a system for reporting a power headroom according to an embodiment of the present invention
- FIG. 3B is a schematic structural diagram of another network side device in a system for reporting a power headroom according to an embodiment of the present invention
- FIG. 4 is a schematic flowchart of a method for reporting a power headroom by a user equipment according to an embodiment of the present invention
- FIG. 5 is a schematic flowchart of a method for processing a power headroom by a network side device according to an embodiment of the present invention. detailed description
- the user equipment that aggregates resources of multiple network side devices sends power headroom information to at least one network side device participating in the aggregation.
- the user equipment that aggregates the resources of the multiple network side devices reports the power headroom information to the at least one network side device that participates in the aggregation, so that the power headroom information is reported in the scenario that the UE aggregates the carriers in different eNBs.
- a system for reporting power headroom includes: a user equipment 10 and a network side device 20.
- the user equipment 10 is configured to determine power headroom information, and send power headroom information to at least one network side device that participates in the aggregation, where the user equipment 10 aggregates resources of multiple network side devices;
- the network side device 20 is configured to receive power headroom information reported by the user equipment that aggregates resources of the multiple network side devices, and perform scheduling according to the power headroom information.
- the user equipment 10 may determine the power headroom information according to the parameters configured by the network side device (such as the macro base station or the home base station), and the network side device may determine the configured parameters by itself, or may be the other network side device participating in the aggregation.
- the network side device such as the macro base station or the home base station
- the network side device may determine the configured parameters by itself, or may be the other network side device participating in the aggregation.
- the content that is scheduled by the network side device 20 according to the power headroom information can be referred to the 3GPP TS 36.321 protocol, and details are not described herein again.
- the network side device 20 sends the corresponding relationship between the aggregated serving cell and the network side device to the user equipment 10; correspondingly, the user equipment 10 determines the network participating in the aggregation according to the corresponding relationship between the aggregated serving cell and the network side device.
- the side device that is, the user equipment determines the network side device corresponding to the service and the area as the network side device participating in the aggregation.
- the network side device 20 may notify the user equipment 10 of the foregoing correspondence by using RRC signaling.
- the network side device 20 acquires the correspondence between the aggregated serving cell and the network side device by using an interface with other network side devices, such as Sl, X2, other known interfaces, or newly defined interfaces.
- the user equipment 10 there are many ways for the user equipment 10 to report the power headroom information to the network side device participating in the aggregation. Several types are listed below.
- Case 1 Based on the user equipment, PH triggering and reporting are performed.
- the PH information is communicated to each of the aggregated network side devices by means of the interface interaction between the network side devices, or the user equipment is separately notified to each network side device by means of the user equipment (a network that does not require PH information) Interaction between side devices).
- the PH trigger and the upper 4 ⁇ principle are the same as the R10 and previous versions of the PH trigger and the previous 4.
- the PHR triggering mechanism is for the UE (ie, the Per UE), and the serving cell aggregated by the UE may trigger the PHR report as long as one of the following conditions is met:
- the UE has an uplink resource for new data transmission, the PHR prohibits the timer from timing out, and the path loss change (PL change ) of at least one activated Serving cell exceeds the downlink path loss change amount ( dl-PathlossChange );
- the PHR period timer ( periodicPHR-Timer ) times out
- the UE has an uplink resource for new data transmission, and the PHR prohibits the timer from timeout.
- the PHR prohibits the timer from timeout.
- For any one of the activated UL configured Serving cells there is uplink transmission or PUCCH transmission in this TTI, and the required power since the last PHR transmission.
- the fallback is greater than dl-PathlossChange.
- the UE includes a PH MAC Control Element (PH MAC CE, Power Headroom MAC Control Element) or an extended PH MAC Control Unit ( Extended PH MAC) in the Medium Access Control Protocol Data Unit (MAC PDU). CE) on the way 4 ⁇ PHR. If the UE has an uplink resource for the new data transmission, if it is determined that the PHR report is triggered, and based on the logical channel priority processing result, it is determined that the PH MAC CE and the corresponding MAC sub-header can be accommodated in the transmitted uplink MAC PDU.
- PH MAC CE Power Headroom MAC Control Element
- Extended PH MAC Medium Access Control Protocol Data Unit
- the UE calculates the current uplink power margin, includes the PH MAC CE in the transmitted uplink MAC PDU, and starts or restarts the periodicPHR-Timer and the PHR prohibition timer ( prohibit PHR-Timer), and cancels all triggered PHR reports.
- the PH triggering and reporting principles can be found in the 3GPP TS 36.321 protocol, and are not described here.
- the user equipment 10 sends power headroom information on all activated serving cells to at least one network side device 20 participating in the aggregation, for example, may send all activated serving cells to a network side device participating in the aggregation.
- the power headroom information may also send power headroom information on all activated serving cells to each network side device participating in the aggregation.
- the user equipment 10 can report the PH information by one of the following resources:
- the power headroom information is transmitted through the first serving cell capable of carrying the power headroom information;
- the power headroom information is reported by the available uplink resources (for example, the triggering of the report is satisfied by the cell under one of the base stations aggregated by the UE). If the condition is triggered, then the eNB is the e B that triggers the PHR to report; or
- the serving cell has available uplink resources.
- the serving cell of the network-side device that provides the local coverage has 4 ⁇ power headroom information on the available uplink resource after the available uplink resource is available; or
- the power headroom information is available through the available uplink resources.
- the network side device If at least one serving cell of a network side device satisfies the condition for triggering the reported power headroom, the network side device does not have available uplink resources within a set time after the condition for triggering the reported power headroom is met, and the user equipment passes the aggregated other network.
- the power headroom information is reported by the available uplink resources of the device; or
- At least one serving cell in the serving cell of the at least one network side device of the multiple network side devices meets the condition for triggering the reported power headroom (for example, the UE aggregates m network side devices, where there are n network side devices (Kn ⁇ At least one serving cell in the serving cell triggers PHR reporting), and the user equipment 10 is part of the network side devices of the plurality of network side devices (where some of the network side devices are at least one of the network side devices aggregated by the UE)
- the power headroom information on the available uplink resources of the part of the network side device is used.
- the network side device that receives the power headroom information does not need to forward the power headroom information.
- the user equipment reports the power headroom information to the network side devices participating in the aggregation.
- the cell under the network side device has the uplink (UL) resource, and the network device is reported to the network device. If there is a resource at the same time, the user device reports the PH information by using the UL resource of the network device.
- UL uplink
- the network side device that receives the power headroom information forwards all the received power headroom information to other networks.
- the side device or the power headroom information related to the other network side devices in the received power headroom information is forwarded to the other network side device.
- the network side device that receives the power headroom information forwards all the received power headroom information to other network side devices that participate in aggregation or participate in aggregation and perform uplink scheduling through the interface between the network side devices; or the network The side device forwards the power headroom information related to the other network side devices in the received power headroom information to the other network side device.
- Case 2 Using the PHR mechanism of the per UE per e B, the user equipment reports the PH information to the aggregated network side device separately, and does not need to exchange the PH information between the network side devices.
- the user equipment 10 sends power headroom information on all activated serving cells under the network side device to the network side device.
- the user equipment 10 sends power headroom information on all activated serving cells under the network side device to the network side device, and may also carry power headroom information on other activated serving cells.
- the serving cell that is aggregated by the user equipment 10 can trigger the PH information reporting of the per UE per eNB as long as one of the following conditions is met:
- the PHR prohibition timer expires for one network side device, and the PL change of at least one activated Serving cell under the network side device exceeds dl-PathlossChange dB; Re-allocating the power headroom information of the per UE per eNB, except for the case of the disable PHR configuration;
- the power headroom information of the network side device to which the serving cell belongs or the power headroom information of all activated serving cells are triggered;
- the user equipment 10 has an uplink resource for new data transmission, and the PHR prohibition timer expires for one network side device, and any one of the network side devices activates the UL configured serving cell, if there is uplink transmission in the serving cell or The PUCCH transmission, and after the transmission of the last power headroom information, the required power backoff is greater than the threshold value, triggering reporting the power headroom information of the network side device to which the serving cell belongs or the power remaining on all activated serving cells.
- the amount of information for example, if the PHR prohibition timer of an eNB expires, the UL transmission available resource at a certain time, and the UL transmission, and then the UE finds that the power backoff is greater than the threshold, the PHR report is triggered).
- the user equipment 10 can report the PH information by one of the following resources:
- the user equipment 10 If at least one serving cell of a network side device satisfies the condition for triggering the reported power headroom, the user equipment 10 has available uplink resources at the network side device (the available uplink resources are used for new data transmission, and can carry power headroom information ( That is, when the PH MAC CE+ is the uplink resource of the sub-header), the power headroom information on all activated serving cells under the network side device is reported to the network side device by using the available uplink resource; or
- the UE aggregates m network side devices, where there are n network side devices (Kn
- At least one serving cell in the serving cell triggers a PHR report, and the user equipment 10 passes the corresponding uplink when the network side device that reports the power headroom of each of the plurality of network side devices has an available uplink resource Network side
- the available uplink resources report the power headroom information on all activated serving cells under the network side device.
- the network side device that receives the power headroom information does not need to forward the power headroom information.
- Case 3 Using the PHR mechanism of per UE per e B, the user equipment can report the ⁇ information to the aggregated network side device, and the network side device transmits the received ⁇ information through the interface interaction.
- the information about the top 4 can be the information of the network device, or the information of other network devices; it can be the information corresponding to some network devices, or the information corresponding to all network devices.
- the user equipment 10 transmits power headroom information on part or all of the activated serving cells to at least one network side device 20 participating in the aggregation; or
- the user equipment 10 For a network side device participating in the aggregation, the user equipment 10 sends power headroom information on all activated serving cells under the network side device to the network side device. In an implementation, the user equipment 10 sends the power headroom information on all activated serving cells under the network side device to the network side device, and may also carry other activated service 'J, the power headroom information on the area.
- the serving cell that is aggregated by the user equipment 10 can trigger the PH information reporting of the per UE per eNB as long as one of the following conditions is met:
- the network side high layer configures or reconfigures the power headroom information of the per UE per eNB, except for the case of the disable PHR configuration;
- the power headroom information of the network side device to which the serving cell belongs or the power headroom information of all activated serving cells are triggered;
- the user equipment 10 has an uplink resource for new data transmission, and the PHR prohibition timer expires for one network side device, and any one of the network side devices activates the UL configured serving cell, if there is uplink transmission in the serving cell or The PUCCH transmission, and after the transmission of the last power headroom information, the required power backoff is greater than the threshold value, triggering reporting the power headroom information of the network side device to which the serving cell belongs or the power remaining on all activated serving cells.
- the amount of information for example, if the PHR prohibition timer of an eNB expires, the UL transmission available resource at a certain time, and the UL transmission, and then the UE finds that the power backoff is greater than the threshold, the PHR report is triggered).
- the user equipment 10 can report the PH information by one of the following resources:
- the power headroom information is transmitted through the first serving cell capable of carrying the power headroom information;
- the power headroom information is reported by the available uplink resources (for example, the triggering of the report is satisfied by the cell under one of the base stations aggregated by the UE). If the condition is triggered, then the eNB is the eNB that triggered the PH reporting); or
- the macro base station here is the base station providing wide area coverage, and the coverage of the wide area coverage base station
- the serving cell including the coverage of the base station providing the local coverage and the area exceeding the local coverage area has available uplink resources or the serving cell of the network side device providing the local coverage has available uplink resources, and the power is available through the available uplink resources.
- the power headroom information is available through the available uplink resources.
- the network side device If at least one serving cell of a network side device satisfies the condition for triggering the reported power headroom, the network side device does not have available uplink resources within a set time after the condition for triggering the reported power headroom is met, and the user equipment passes the aggregated other network.
- the available uplink resources of the device report the power headroom information on all activated serving cells under the network side device; or
- At least one serving cell in the serving cell of the at least one network side device of the multiple network side devices meets the condition for triggering the reported power headroom (for example, the UE aggregates m network side devices, where there are n network side devices (Kn ⁇ At least one serving cell in the serving cell triggers PHR reporting), and the user equipment 10 is part of the network side devices of the plurality of network side devices (where some of the network side devices are at least one of the network side devices aggregated by the UE)
- the network side device of the available UL resource has available uplink resources, all activated serving cells of the network side device that report the power headroom are reported by each of the four network side devices on the available uplink resources of the part of the network side device. Power headroom information.
- the network side device that receives the power headroom information does not need to forward the power headroom information. If the user equipment 10 sends the power headroom information on all activated serving cells under the network side device to the network side device that is reported by the triggering PHR, the network side device that receives the power headroom information does not need to Forward power headroom information.
- the user equipment reports the power headroom information to the network side devices participating in the aggregation.
- the cell under the network-side device has the UL resource, and the network-side device is reported first. If the resource is available at the same time, the user device reports the PH information by using the UL resource under the network-side device.
- the network side device that receives the power headroom information forwards all the received power headroom information to other networks.
- the side device or the power headroom information related to the other network side devices in the received power headroom information is forwarded to the other network side device.
- the network side device that receives the power headroom information forwards all the received power headroom information to other network side devices that participate in aggregation or participate in aggregation and perform uplink scheduling through the interface between the network side devices; or the network The side device forwards the power headroom information related to the other network side devices in the received power headroom information to the other network side device.
- the aggregated network side device forwards the received power headroom information related to other network side devices to the other network side device.
- the network side device forwards the power headroom information related to the other network side devices in the received power headroom information to the other network side device.
- the network side device in the embodiment of the present invention may be a station (such as a macro base station, a home base station, etc.), an RN (relay) device, or other network side devices.
- a station such as a macro base station, a home base station, etc.
- RN relay
- the user equipment in the system for reporting power headroom includes: a determining module 200 and a reporting module 210.
- the determining module 200 may specifically be a processor of the user equipment, etc.
- the reporting module 210 may be a signal transmitting device of the user equipment, including a transmitting antenna or the like.
- the determining module 200 is configured to: after the user equipment aggregates the resources of the multiple network side devices, determine the power headroom information; the reporting module 210 is configured to send the power headroom information to the at least one network side device participating in the aggregation.
- the reporting module 210 determines the network side device participating in the aggregation according to the correspondence between the aggregated serving cell and the network side device before sending the power headroom information to the at least one network side device participating in the aggregation.
- the reporting module 210 sends power headroom information on all activated serving cells under all the base stations that are aggregated to one network side device participating in the aggregation; or sends all the aggregated base stations to each network side device participating in the aggregation. Power headroom information on all activated serving cells.
- the uplink block 210 reports the power headroom information through the first serving cell capable of carrying the power headroom information after being triggered by the power headroom; or the network side device management reported in the triggering power headroom
- the power headroom information is reported by using the available uplink resources; or after the serving cell of the selected macro base station has available uplink resources or the serving cell of the network side device providing local coverage has available uplink resources, And reporting the power headroom information by using the available uplink resource; or after the serving cell managed by the network side device that performs the uplink scheduling has available uplink resources, passing the power headroom information on the available uplink resource; or if At least one serving cell of the network side device satisfies the condition for triggering the reported power headroom, and the network side device does not have available uplink resources within the set time after the condition for triggering the reported power headroom is met, and the user equipment passes the aggregated other network device.
- the power headroom information may be reported by using the uplink resource; or if multiple network side devices are available At least one serving cell in the serving cell of the at least one network side device meets a condition for triggering the reported power headroom, and the user equipment passes part of the network when some network side devices of the plurality of network side devices have available uplink resources
- the power headroom information is reported by the available uplink resources of the side device.
- the reporting module 210 reports the power headroom information to the network side devices participating in the aggregation in sequence when the network side devices that are involved in the aggregation have uplink resources.
- the reporting module 210 sends the power headroom information on all activated serving cells under the network side device to the network side device.
- the reporting module 210 reports the available uplink resource to the network side device when the network side device has available uplink resources.
- the power headroom information of all activated serving cells in the network side device if the network side device does not have available uplink resources within a set time after the condition for triggering the reported power headroom is met, the user equipment passes other network devices that are aggregated.
- the available uplink resources are the power headroom information on all activated serving cells under the network side device; or if at least one of the serving cells in at least one of the plurality of network side devices meets the triggering The condition of the power headroom is reported.
- the reporting module 210 reports the trigger power remaining in the plurality of network-side devices by using the available uplink resources of the network-side device.
- the power headroom information on all activated serving cells of the reported network side device; or if at least one of the serving cells in the at least one network side device of the plurality of network side devices meets the condition for triggering the reported power headroom The reporting module 210 reports the network that triggers the power headroom in each of the plurality of network side devices.
- Side of the apparatus have available uplink resource for reporting power headroom information for all the network side device respectively activated serving cell corresponding to the available uplink resource of the network side device.
- the reporting module 210 sends power headroom information to at least one network side device participating in the aggregation after determining that part or all of the conditions for triggering the reported power headroom are met:
- the PHR prohibition timer expires for one network side device, and the PL change of at least one activated Serving cell under the network side device exceeds dl-PathlossChange dB; Re-matching the power headroom information of per UE per e B, except for the case of disable PHR configuration;
- the power headroom information of the network side device to which the serving cell belongs or the power headroom information of all activated serving cells are triggered;
- the PHR prohibition timer expires for one network side device, and any one of the network side devices activates the UL configured serving cell, if there is uplink transmission or PUCCH transmission in the serving cell, After the last power headroom information is transmitted, if the required power backoff is greater than the threshold, the power headroom information of the network side device to which the serving cell belongs or the power headroom information of all activated serving cells are triggered.
- the user equipment in the system for reporting power headroom includes: a processor 2000 and a signal transmitting device 2100.
- the processor 2000 is configured to: after the user equipment aggregates the resources of the multiple network side devices, determine the power headroom information; the signal sending device 2100 is configured to send the power headroom information to the at least one network side device participating in the aggregation.
- the signal transmitting device 2100 determines the network side device participating in the aggregation according to the correspondence between the aggregated serving cell and the network side device before transmitting the power headroom information to the at least one network side device participating in the aggregation.
- the signal sending device 2100 sends power headroom information on all activated serving cells under all the aggregated base stations to a network side device participating in the aggregation; or sends all the aggregated base stations to each network side device participating in the aggregation. Power headroom information on all activated serving cells.
- the signal transmitting device 2100 passes the first power capable bearing capacity after the power headroom is triggered.
- the serving cell of the information reports the power headroom information; or after the serving cell managed by the network side device that reports the power headroom has available uplink resources, reports the power headroom information through the available uplink resource; or at the selected macro base station After the serving cell has available uplink resources or the serving cell that provides the local coverage, the serving cell has the available uplink resource, and the power headroom information is reported by the available uplink resource; or the serving cell managed by the network side device that selects to perform the uplink scheduling has After the uplink resource is available, the power-on-demand information is obtained by using the available uplink resource; or if at least one serving cell of a network-side device satisfies the condition for triggering the reported power headroom, the network-side device satisfies the trigger report power remaining.
- the user equipment reports the power headroom information through the available uplink resources of the other network devices that are aggregated; or if the service cell in at least one of the multiple network side devices is in the serving cell At least one serving cell satisfies the triggering reported power margin The user equipment reports the power headroom information through the available uplink resources of the part of the network side device when the network device of the network side device has the available uplink resources.
- the signal transmitting device 2100 reports the power headroom information to the network side devices participating in the aggregation in sequence when the network side devices that are involved in the aggregation have uplink resources.
- the signaling device 2100 sends power headroom information on all activated serving cells under the network side device to the network side device.
- the signal sending device 2100 reports the available uplink resource to the network side device when the network side device has available uplink resources.
- the power headroom information of all activated serving cells in the network side device if the network side device does not have available uplink resources within a set time after the condition for triggering the reported power headroom is met, the user equipment passes other network devices that are aggregated.
- the power headroom information on all the active serving cells of the network side device is available on the available uplink resources; or if at least one of the serving cells in the at least one network side device of the plurality of network side devices meets the trigger reporting
- the power headroom reported on all activated serving cells of the network side device If the at least one serving cell in the serving cell under the at least one network side device of the plurality of network side devices satisfies the condition for triggering the reported power headroom, the signal transmitting device 2100 is in each of the plurality of network side devices.
- the power headroom information on all activated serving cells under the network side device is reported by the available uplink resources of the network side device.
- the signal transmitting device 2100 sends power headroom information to at least one network side device participating in the aggregation after determining part or all of the conditions for satisfying the following triggering power headroom:
- the PHR prohibition timer expires for one network side device, and the PL change of at least one activated Serving cell under the network side device exceeds dl-PathlossChange dB; Re-matching the power headroom information of per UE per e B, except for the case of disable PHR configuration;
- the uplink serving cell is activated, the power headroom information of the network side device to which the serving cell belongs or the power headroom information on all activated serving cells are triggered;
- the PHR prohibition timer expires for one network side device, and any one of the network side devices activates the UL configured serving cell, if there is uplink transmission or PUCCH transmission in the serving cell, After the last power headroom information is transmitted, if the required power backoff is greater than the threshold, the power headroom information of the network side device to which the serving cell belongs or the power headroom information of all activated serving cells are triggered.
- the network side device in the system for reporting the power headroom includes: a receiving module 300 and a processing module 310.
- the receiving module 300 may specifically be a signal receiving device of the network side device, including a receiving antenna, and the like;
- the processing module 310 may specifically be a processor of the network side device or the like.
- the receiving module 300 is configured to receive power headroom information reported by the user equipment that aggregates resources of the multiple network side devices, and the processing module 310 is configured to perform scheduling according to the power headroom information.
- the processing module 310 sends the corresponding relationship between the aggregated serving cell and the network side device to the user equipment.
- the processing module 310 obtains the correspondence between the aggregated serving cell and the network side device from other network side devices.
- the processing module 310 forwards all the received power headroom information to other network side devices; or forwards the power headroom information related to other network side devices in the received power headroom information to the other network. Side equipment.
- the network side device in the system for reporting power headroom includes: a signal receiving device 3000 and a processor 3100. among them:
- a signal receiving device 3000 configured to receive power headroom information reported by a user equipment that aggregates resources of multiple network side devices
- the processor 3100 is configured to perform scheduling according to power headroom information.
- the processor 3100 sends the corresponding relationship between the aggregated serving cell and the network side device to the user equipment.
- the processor 3100 obtains the correspondence between the aggregated serving cell and the network side device from other network side devices.
- the processor 3100 forwards all the received power headroom information to other network side devices; or forwards the power headroom information related to other network side devices in the received power headroom information to the other network. Side equipment.
- the embodiment of the present invention further provides a method for reporting a power headroom by a user equipment and a method for processing a power headroom by a network side device, and the principle of solving the problem by using the method and the reporting power remaining in the embodiment of the present invention
- the systems of quantities are similar, so the implementation of these methods can be seen in the implementation of the system, and the repetitions are not repeated here.
- the method for reporting a power headroom by a user equipment includes the following steps:
- Step 401 A user equipment that aggregates resources of multiple network side devices determines power headroom information.
- Step 402 The user equipment sends power headroom information to at least one network side device participating in the aggregation.
- the user equipment determines the network side device participating in the aggregation according to the corresponding relationship between the aggregated serving cell and the network side device.
- Case 1 Based on the user equipment, PH triggering and reporting are performed.
- the PH information is communicated to each of the aggregated network side devices by means of the interface interaction between the network side devices, or the user equipment is separately notified to each network side device by means of the user equipment (a network that does not require PH information) Interaction between side devices).
- the PH trigger and the upper 4 ⁇ principle are the same as the R10 and previous versions of the PH trigger and the previous 4.
- the PH triggering and reporting principles can be found in the 3GPP TS 36.321 protocol, and are not described here.
- the user equipment sends, to the at least one network side device participating in the aggregation, the power headroom information on all the activated serving cells of all the eNBs that are aggregated, for example, may send the aggregated all eNBs to a network side device participating in the aggregation.
- the power headroom information on all activated serving cells may also send power headroom information on all activated serving cells under all the eNBs that are aggregated to each network side device participating in the aggregation.
- the user equipment can report the PH information by one of the following resources:
- the power headroom information is transmitted through the first serving cell capable of carrying the power headroom information;
- the serving cell managed by the network side device has available uplink resources, and the power headroom information is available through the available uplink resources;
- the power headroom information is reported by the available uplink resources.
- the power headroom information is available through the available uplink resources.
- the network side device If at least one serving cell of a network side device satisfies the condition for triggering the reported power headroom, the network side device does not have available uplink resources within a set time after the condition for triggering the reported power headroom is met, and the user equipment passes the aggregated other network.
- the power headroom information is reported by the available uplink resources of the device; or
- the user equipment has available uplink resources when part of the network side devices of the plurality of network side devices are available.
- the power headroom information is reported by the available uplink resources of some network side devices.
- the user equipment reports the power headroom information to the network side devices participating in the aggregation.
- Case 2 Using the PHR mechanism of the per UE per e B, the user equipment reports the PH information to the aggregated network side device separately, and does not need to exchange the PH information between the network side devices.
- the user equipment sends power headroom information on all activated serving cells under the network side device to the network side device.
- the user equipment may send power headroom information on all activated serving cells to the network side device, and may also carry power headroom information on other activated serving cells.
- the serving cell that is aggregated by the user equipment can trigger the PH information reporting of the per UE per eNB as long as one of the following conditions is met:
- the PHR prohibition timer expires for one network side device, and the PL change of at least one activated Serving cell under the network side device exceeds dl-PathlossChange dB; Re-allocating the power headroom information of the per UE per eNB, except for the case of the disable PHR configuration;
- the power headroom information of the network side device to which the serving cell belongs or the power headroom information of all activated serving cells are triggered;
- the user equipment has an uplink resource for new data transmission, and the PHR prohibition timer expires for one network side device, and any one of the network side devices activates the UL configured serving cell, if there is uplink transmission or PUCCH in the serving cell
- the power headroom information of the network side device to which the serving cell belongs or the power headroom of all activated serving cells is triggered. information.
- the user equipment can report the PH information by one of the following resources:
- the user equipment reports to the network side device all the active devices under the network side device by using the available uplink resources when the network side device has available uplink resources. Power headroom information on the serving cell; or
- the user equipment reports the trigger power margin in each of the plurality of network side devices.
- the power headroom information on all activated serving cells under the network side device is reported by the available uplink resources of the corresponding network side device.
- Case 3 Using the PHR mechanism of the per UE per eNB, the user equipment can report the information to the aggregated network side device, and the network side device transmits the received defect information through the interface interaction between the network side devices.
- the information about the top 4 can be the information of the network device, or the information of other network devices; it can be the information corresponding to some network devices, or the information corresponding to all network devices.
- the user equipment sends power headroom information on part or all of the activated serving cells to at least one network side device participating in the aggregation; or
- the user equipment For a network side device participating in the aggregation, the user equipment sends power headroom information on all activated serving cells under the network side device to the network side device. In an implementation, the user equipment sends the power headroom information on all activated serving cells of the network side device to the network side device, and may also carry the power headroom information on the other activated serving cells.
- the serving cell that is aggregated by the user equipment can trigger the PH information reporting of the per UE per e B as long as one of the following conditions is met:
- the PHR prohibition timer expires for one network side device, and the PL change of at least one activated Serving cell under the network side device exceeds dl-PathlossChange dB; Re-allocating the power headroom information of the per UE per eNB, except for the case of the disable PHR configuration;
- the power headroom information of the network side device to which the serving cell belongs or the power headroom information of all activated serving cells are triggered;
- the user equipment has an uplink resource for new data transmission, and the PHR prohibition timer expires for one network side device, and any one of the network side devices activates the UL configured serving cell, if there is uplink transmission or PUCCH in the serving cell
- the power headroom information of the network side device to which the serving cell belongs or the power headroom of all activated serving cells is triggered. information.
- the user equipment can report the PH information by one of the following resources:
- the power headroom information is transmitted through the first serving cell capable of carrying the power headroom information;
- the serving cell managed by the network side device has available uplink resources, and the power headroom information is available through the available uplink resources;
- the power headroom information is reported by the available uplink resources.
- the power headroom information is available through the available uplink resources.
- the network side device If at least one serving cell of a network side device satisfies the condition for triggering the reported power headroom, the network side device does not have available uplink resources within a set time after the condition for triggering the reported power headroom is met, and the user equipment passes the aggregated other network.
- the available uplink resources of the device report the power headroom information on all activated serving cells under the network side device; or
- each of the plurality of network-side devices reports the trigger power margin report by using the available uplink resources of the network-side device. Power headroom information on all activated serving cells of the network side device.
- the network side device that receives the power headroom information does not need to forward the power headroom information. If the user equipment sends the power headroom information on all activated serving cells of the network side device to the network side device that is triggered by the PHR, the network side device that receives the power headroom information does not need to forward the network side device. Power headroom information.
- the user equipment reports the power headroom information to the network side devices participating in the aggregation.
- the method for processing a power headroom by a network side device includes the following steps: Step 501: A network side device receives power headroom information reported by a user equipment that aggregates resources of multiple network side devices;
- Step 502 The network side device performs scheduling according to the power headroom information.
- the method further includes:
- the network side device sends the corresponding relationship between the aggregated serving cell and the network side device to the user equipment.
- the network side device acquires the corresponding relationship between the aggregated serving cell and the network side device from other network side devices.
- the method further includes:
- the network side device forwards all the received power headroom information to other network side devices; or
- the network side device forwards the power headroom information related to other network side devices in the received power headroom information to the other network side device.
- step 401 and step 402 are performed first, and then step 501 and step 502 are performed.
- Example 1 The existing PHR triggering and reporting mechanism (PHR triggering and reporting by per UE) is used to give PH information on all activated serving cells of all eNBs in one of the base stations, and in the two base stations. Interacting PH information through an interface
- Step 1 Inform the UE of the relationship between the eNB and the serving cell that it serves:
- the base station that the UE initially accesses determines the eNB that the UE can aggregate and the cell that can serve the UE under the aggregated eNB according to the information such as the location and the mobility of the UE, and notifies the UE of the mapping between the eNB and the serving cell served by the UE through RRC signaling.
- the relationship may include eNB index information aggregated by the UE, serving cell index information, and the like.
- Step 2 per UE PHR parameter configuration:
- the base station configures PHR related RRC layer parameters for the UE, including periodicPHR-Timer and prohibitPHR-Timer. And dl-PathlossChange.
- the base station corresponding to the parameter includes a base station participating in aggregation, a base station responsible for mobility management, or a base station providing macro coverage, or a base station responsible for PHR reception, and the like.
- Step 3 PHR Trigger:
- the PHR trigger type and trigger mode can be based on the PHR trigger mechanism of R10 and earlier versions, see the background section.
- the PHR reporting principle can follow the PHR reporting principle of R10 and previous versions. For details, please refer to the background introduction.
- the PH information that belongs to the different e Bs is encapsulated in the same PH MAC CE, and the PH information on all activated Serving cells aggregated by the UE is reported to the eNB.
- a plurality of corresponding PH MAC CE formats may be designed according to the number of the aggregated cells, the specific form of the relationship notification between the eNB and the serving cell in step 1, such as extending the existing Extended PH MAC CE format or introducing a new LCID.
- Type2 PH carrier maximum transmit power
- Pcmax.c carrier maximum transmit power
- the UE only triggers the PH of the active cell under the eNB corresponding to the cell on the PHR, if a cell is configured with PUCCH If the cell is not a PCell, the Type2 PH and other information may be reported. If a new LCID is introduced, a new LCID that is different from the previous PH report under the eNB needs to be introduced.
- the PH is reported in the first subframe that can carry the PH MAC CE and its sub-headers;
- the serving cell under the base station that triggers the PHR is reported to the PH when the available uplink resource is available;
- the serving cell under the macro base station or the base station providing the local coverage is reported to the PH when the available uplink resource is available; the serving cell under the base station performing the uplink scheduling is reported to the PH when the available uplink resource is available;
- Step 5 PH information interaction:
- the interface between the base stations needs to exchange the PH information reported by the UE. There are several ways to forward:
- the eNB completely forwards all the received PH information to other base stations;
- the eNB forwards only the PH information associated with the target base station to the base station.
- Example 2 The existing PHR triggering and reporting mechanism (the PHR triggering and reporting of the per-UE) is used to report the PH information on all activated serving cells of all the eNBs that are aggregated, and the Serving cell under different eNBs has available uplinks. When the resource is used, the PHR is reported by the serving cell belonging to different base stations;
- Step 1 notify the UE of the relationship between the eNB and the serving cell served by the UE;
- Step 2 per UE PHR parameter configuration
- Step 3 PHR triggering;
- the implementation schemes of steps 1 to 3 are the same as those in the first embodiment.
- the PHR reporting principle can follow the PHR reporting principle of R10 and previous versions. For details, please refer to the background introduction.
- the PH information that belongs to different eNBs is encapsulated in the same PH MAC CE, and reflects the PH information on all activated Serving cells aggregated by the UE. When the eNB has an uplink resource, the information is reported to the eNB that is aggregated by the UE, so as to avoid the interaction of the PH information between different base stations.
- a new PHR triggering mechanism (PHR triggering of the per UE per eNB) is introduced, but the PHR of the per UE is reported to the base station.
- PHR PHR triggering mechanism
- the UE reports the PH on all activated serving cells of all the eNBs that are aggregated. information.
- the PHR can be selected by the cell with the available uplink resources. If the base station that knows the PH information finds the PH information of the cell that does not belong to the base station, the PH information needs to be exchanged to the target base station through the interface between the base stations.
- Step 1 Inform the UE of the relationship between the eNB and the serving cell that it serves:
- the base station that the UE initially accesses determines the eNB that the UE can aggregate and the cell that can serve the UE under the aggregated eNB according to the information such as the location and the mobility of the UE, and notifies the UE of the mapping between the eNB and the serving cell served by the UE through RRC signaling.
- the relationship may include eNB index information aggregated by the UE, serving cell index information, and the like.
- Step 2 The eNB informs the per UE per eNB PHR parameter configuration:
- the base station configures PHR related RRC layer parameters for the UE, including periodicPHR-Timer,
- the base station corresponding to the parameter includes a base station participating in aggregation, a base station responsible for mobility management, or a base station providing macro coverage, or a base station responsible for PHR reception, and the like.
- the prohibit PHR-Timer may be changed to the per UE per eNB configuration type, and the periodic PHR-Timer and/or the dl-PathlossChange may also be configured for the per UE per eNB.
- the specific per UE per eNB implementation manner may be modified by modifying existing parameters. Or introduce a new parameter configuration implementation.
- Step 3 PHR Trigger:
- the PHR trigger mechanism of the per UE per eNB is introduced.
- the triggering mechanism of the PHR reporting by the per UE per eNB is that the serving cell aggregated by the R12 UE can trigger the PHR reporting of the per UE per eNB as long as one of the following conditions is met:
- the UE has an uplink resource for new data transmission, and the PHR prohibition timer for an eNB expires, and the PL change of at least one activated Serving cell under the eNB exceeds dl-PathlossChange dB;
- the PH information of all active cells in the active cell under the home base station of the serving cell and other base stations aggregated by the UE is triggered.
- the UE has an uplink resource for new data transmission, and the PHR prohibition timer for an eNB expires.
- Any one of the activated Serving cells configured with UL in e B if there is an uplink transmission in this TTI (that is, the time when the UE has an uplink resource for new data transmission and the PHR prohibition timer expires for an eNB) PUCCH transmission, and since the last PHR transmission, the required power backoff (known by the power management maximum power reduction (P-MPRc) of the cell c) is greater than dl-PathlossChange, triggering the PH information reporting of all activated serving cells .
- P-MPRc power management maximum power reduction
- the PHR can be selected by the cell with the uplink resource available. If the base station that knows the PH information finds the PH information of the cell that does not belong to the base station, the PH information needs to be exchanged to the target base station through the interface between the base stations.
- the PHR reporting principle can basically follow the PHR reporting principle of R10 and previous versions. After reporting the PH MAC CE (MAC Control Element), the UE starts or restarts the per UE periodicPHR-Timer and the per UE per eNB prohibit PHR-Timer, and cancels all triggered PHR reports.
- PH MAC CE MAC Control Element
- Step 5 PH information interaction (if information interaction is required):
- the base station that knows the PH information finds the PH information of the cell that does not belong to the base station, the PH information reported by the UE needs to be exchanged through the interface between the base stations. There are several ways to forward:
- the eNB completely forwards all the received PH information to other base stations;
- the eNB forwards only the PH information associated with the target base station to the base station.
- a new PHR triggering and upper-layer mechanism (PHR triggering and per-user per-eNB per eNB) is introduced, and the UE respectively transmits 4 PHRs to the aggregation base station, and does not need to exchange PHR information between the base stations.
- Step 1 Inform the UE of the relationship between the eNB and the serving cell that it serves:
- the base station that the UE initially accesses determines the eNB that the UE can aggregate and the cell that can serve the UE under the aggregated eNB according to the information such as the location and the mobility of the UE, and notifies the UE of the mapping between the eNB and the serving cell served by the UE through RRC signaling.
- the relationship may include eNB index information aggregated by the UE, serving cell index information, and the like.
- Step 2 The eNB informs the per UE per eNB PHR parameter configuration:
- the base station configures PHR related RRC layer parameters for the UE, including periodicPHR-Timer,
- the base station corresponding to the parameter includes a base station participating in aggregation, a base station responsible for mobility management, or a base station providing macro coverage, or a base station responsible for receiving PHR.
- the prohibit PHR-Timer may be changed to the per UE per eNB configuration type, and the periodic PHR-Timer and/or the dl-PathlossChange may also be configured for the per UE per eNB.
- the specific per UE per eNB implementation manner may be modified by modifying existing parameters. Or introduce a new parameter configuration implementation.
- Step 3 PHR Trigger:
- the PHR trigger mechanism of the per UE per eNB is introduced.
- the triggering mechanism of the PHR reporting by the per UE per eNB That is, the serving cell that is aggregated by the R12 UE can trigger the PHR reporting of the per UE per eNB as long as one of the following conditions is met: the UE has an uplink resource for new data transmission, the PHR prohibition timer for an eNB expires, and the eNB At least one activated Serving cell has a PL change exceeding dl-PathlossChange dB;
- the configuration of the PHR on the per-eNB per eNB is configured or re-allocated. In addition, the PHR configuration is disabled. When the active cell is activated, the PHR of the home cell of the serving cell is triggered.
- the UE has an uplink resource for the new data transmission, and the PHR prohibition timer for an eNB is timed out, and any one of the eNBs configured with the UL configured Serving cell is activated, and if there is uplink transmission or PUCCH transmission in the TTI, Since the last PHR transmission, the required power backoff is greater than dl-PathlossChange dB, which triggers the PHR reporting of its home base station.
- the PHR on the per UE per eNB is introduced.
- the PH information that belongs to different eNBs is encapsulated in different PH MAC CEs, and only reflects the PH information on all activated Serving cells aggregated under the eNB.
- the UE After the UE is on the PH MAC CE, the UE starts or restarts the per UE periodicPHR-Timer and the per UE per eNB prohibit PHR-Timer, and cancels all triggered PHR reports.
- a plurality of corresponding PH MAC CE formats may be designed according to the number of cells to be aggregated, the specific form of the relationship notification between the eNB and the serving cell in step 1, and the like, by extending the existing Extended PH MAC CE format or introducing The new LCID (Logical Channel ID) is implemented.
- the PH information of the Per UE per eNB is given to the base station when the PHR information of the aggregated eNB is triggered and there is an uplink resource, thereby avoiding the interaction process of the PH information between different base stations.
- the specific top 4 base stations and resource selection can be as follows:
- the UE reports the PH information of all the activated serving cells in the eNB to the target eNB;
- the UE When a plurality of serving cells belonging to different eNBs meet the per UE per eNB PHR triggering condition, the UE sends the PH information of all activated serving cells under different base stations to the PH information when the corresponding eNB has valid uplink resources. Report the corresponding target e B.
- the UE introduces a new PHR triggering mechanism (the PHR trigger of the per UE per eNB), and the UE reports the PH information to the eNB.
- the PH information reported by the UE may be the PH information of the network device or the PH information of other network devices. It may be the PH information corresponding to some network devices, or may be the PH information corresponding to all network devices.
- the UE When the UE reports the PH information on all activated serving cells under a certain base station, the UE exchanges PH information to the target base station through the interface between the base stations.
- Step 1 notify the UE of the relationship between the eNB and the serving cell served by the UE; Step 2: per UE PHR parameter configuration;
- Step 3 PHR triggering
- Step 4 4 on the PHR
- steps 1 to 4 are the same as the instances of the second case except that the PHR reports resource selection.
- the selection of base stations and resources reported by the PHR can be as follows:
- the PHR information is reported to the eNB without interacting with other base stations through the interface;
- the PHR information is reported to other eNBs and interacts with the base station through the interface;
- the ⁇ information of all activated serving cells corresponding to the base station under different base stations When multiple serving cells belonging to different eNBs satisfy the per UE per eNB PHR triggering condition, respectively, the ⁇ information of all activated serving cells corresponding to the base station under different base stations.
- the UE aggregates two base stations as an example: If only one base station has available uplink resources, the PH MAC CEs of the two per eNBs are reported to the base station after the PHR reports the triggering of the two base stations. And passed to the target base station through the interaction between the base stations.
- the PH MAC CEs of the two per eNBs are reported to the target base station respectively; or still pass through a base station. Reported and transmitted to the target base station through interface interaction.
- Step 5 PHR information interaction:
- the UE fails to report the PHR information to the target base station, the PH information reported by the UE needs to be exchanged to the target base station through the interface between the base stations. There are several ways to forward:
- the eNB forwards all the received PH information to the target base station;
- the eNB forwards only the PH information associated with the target base station to the base station.
- embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware. Moreover, the present invention can be embodied in the form of a computer program product embodied on one or more computer-usable storage interfaces (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer usable program code.
- computer-usable storage interfaces including but not limited to disk storage, CD-ROM, optical storage, etc.
- the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
- the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
- These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
- the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.
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Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13801098.8A EP2858432B1 (en) | 2012-06-04 | 2013-06-04 | Method, system and apparatus for power headroom report |
KR1020157000033A KR101698012B1 (ko) | 2012-06-04 | 2013-06-04 | 파워 헤드룸 리포팅 방법, 시스템 및 장치 |
ES13801098.8T ES2664925T3 (es) | 2012-06-04 | 2013-06-04 | Procedimiento, sistema y aparato de notificación de margen de potencia |
US14/405,359 US9491719B2 (en) | 2012-06-04 | 2013-06-04 | Method, system and apparatus for power headroom report |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN201210181849.4 | 2012-06-04 | ||
CN201210181849.4A CN103458457B (zh) | 2012-06-04 | 2012-06-04 | 一种上报功率余量的方法、系统和设备 |
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WO2013182039A1 true WO2013182039A1 (zh) | 2013-12-12 |
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PCT/CN2013/076715 WO2013182039A1 (zh) | 2012-06-04 | 2013-06-04 | 一种上报功率余量的方法、系统和设备 |
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US (1) | US9491719B2 (zh) |
EP (1) | EP2858432B1 (zh) |
KR (1) | KR101698012B1 (zh) |
CN (1) | CN103458457B (zh) |
ES (1) | ES2664925T3 (zh) |
WO (1) | WO2013182039A1 (zh) |
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CN111885693A (zh) * | 2016-07-29 | 2020-11-03 | 宏碁股份有限公司 | 处理用于多个时间区间的功率余量报告的装置及方法 |
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KR20150023621A (ko) | 2015-03-05 |
US9491719B2 (en) | 2016-11-08 |
CN103458457B (zh) | 2016-11-09 |
EP2858432A4 (en) | 2015-08-05 |
US20150131567A1 (en) | 2015-05-14 |
ES2664925T3 (es) | 2018-04-24 |
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