CN102244923B - A kind of Poewr control method of uplink signal, network side equipment and user equipment - Google Patents
A kind of Poewr control method of uplink signal, network side equipment and user equipment Download PDFInfo
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- CN102244923B CN102244923B CN201110209010.2A CN201110209010A CN102244923B CN 102244923 B CN102244923 B CN 102244923B CN 201110209010 A CN201110209010 A CN 201110209010A CN 102244923 B CN102244923 B CN 102244923B
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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
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/242—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account path loss
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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
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
- H04W52/146—Uplink power control
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Abstract
The invention discloses a kind of Poewr control method of uplink signal, network side equipment and user equipment, including：Reference signal power is arranged to the proprietary parameter of user equipment by network side equipment, and reference signal power is respectively configured for user equipment.The power offset parameter (Poweroffset) of the invention proposed by the way that high-rise configuration parameter referenceSignalPower (reference signal power) to be arranged to the one high-level signaling configuration of proprietary (UE specific) parameters of UE or increase is applied in combination, realize the accurate estimation to up path loss, to ensure the rational uplink transmission powers of UE, the interference to other cell neighboring users is reduced at the same time, the path loss being calculated according to the present invention is no longer directly to measure obtained downlink path loss, and it is closer to the estimate of actual uplink path loss, it can more accurately reflect the path loss of actual up channel.
Description
Technical field
The present invention relates to mobile communication technology field, more particularly to a kind of Poewr control method of uplink signal, network side
Equipment and user equipment.
Background technology
The uplink physical channel of Long Term Evolution (Long Term Evolution, abbreviation LTE) system includes：Physical accidental
Access channel (Physical Random Access Channel, referred to as PRACH), Physical Uplink Shared Channel
(Physical Uplink Shared Channel, referred to as PUSCH) and Physical Uplink Control Channel (Physical
Uplink Control Channel, referred to as PUCCH).The uplink of LTE uses single carrier OFDM technology, reference signal sum number
According to being multiplexed together by way of TDM.Uplink reference signals are divided into：Demodulated reference signal (Demodulation
Reference Signal, referred to as DM-RS) and measuring reference signals (Sounding Reference Signal, referred to as
SRS)。
Since the uplink of LTE uses SC-FDMA technologies, different user devices (User Equipment, letter in a cell
Claim UE) uplink signal between be it is mutually orthogonal, therefore uplink power control be mainly used for compensate channel path loss
(pathloss, abbreviation PL) and shade, and for suppressing inter-cell interference.Uplink power control can be to channels such as PUSCH/PUCCH
And the transmission power of SRS is controlled.
In existing 10 version LTE protocols of Rel (36.213 Evolved Universal Terrestrial Radio
Access(E-UTRA)；Physical layer procedures) power control scheme in, for compensating the path of uplink path loss
Loss value measures downlink path loss by UE and obtains.UE is by calculating downlink circuit loss value, and by the above-mentioned path loss being calculated
Path loss of the value as uplink power control compensates.Path loss estimation formula can be expressed as：PL=referenceSignalPower-
higher layer filtered RSRP.Wherein referenceSignalPower is the reference signal work(of high-level signaling configuration
Rate, higher layer filtered RSRP are the received reception power by high-rise filtered reference signal of UE terminations
(Reference Signal Received Power, abbreviation RSRP).
For some UE, by configuring where higher level parameters pathlossReferenceLinking notifies UE selections
One cell, which is used as, refers to serving cell.After reference cell is selected, UE can select the proprietary (cell- of the cell
Specific reference signal power referenceSignalPower), estimates as path loss.Wherein RSRP is then that UE connects
The power of the public reference signal (common reference signal, abbreviation CRS) of received selected reference cell.
In the system using single antenna or traditional multiple antennas, because the transmitting terminal and uplink of the downlink of UE
The receiving terminal on road is same cell, therefore the downlink path loss being calculated according to aforesaid way can compare and accurately reflect uplink
Path loss, realizes the reasonable estimation of uplink signal transmission power, while suppresses the inter-cell interference of edge customer.
But in distributed multi-antenna system or uplink coordinated multicast communication (Uplink Coordinate multi-
Point transmission, abbreviation UL CoMP) in system, due to the receiving node and downlink signal of the uplink signal at UE ends
Sending node be possible to inconsistent, when the receiving node of the uplink signal at UE ends and the sending node of downlink signal are inconsistent
When, it will cause according to the PL values that the reference signal that downlink sending node is sent estimates and actual uplink receiving node to UE
Between PL value differences it is not larger, the PL values come out with downlink estimation estimate the transmission work(of the UE sides signal of uplink
Rate, will result in the inaccurate of UE end signals transmission power estimation, influences the reception of the uplink signal of UE and to neighbor cell
User brings interference.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of Poewr control method of uplink signal, network side equipment and use
Family equipment, the receiving node of row signal and during the inconsistent sending node of downlink signal, enables user equipment on a user device
Up path loss is enough calculated.
In order to solve the above technical problems, a kind of Poewr control method of uplink signal of the present invention, including：
Reference signal power is arranged to the proprietary parameter of user equipment by network side equipment, and ginseng is respectively configured for user equipment
Examine signal power.
Further, further include：
Network side equipment is subtracted user equipment for the reference signal power of the user's device configuration and received by user equipment
Reference signal reception power, the path loss as uplink.
Further, further include：
Network side equipment increases power offset parameter, and power offset parameter is arranged to the proprietary parameter of user equipment, is
Power offset parameter is respectively configured in user equipment.
Further, further include：
Network side equipment is subtracted user equipment for the reference signal power of the user's device configuration and received by user equipment
Reference signal receive power along with network side equipment be the user's device configuration power offset parameter, as uplink
The path loss on road.
Further, further include：
Network side equipment increases power offset parameter, and power offset parameter is arranged to the proprietary parameter of cell, is same
The identical power offset parameter of user device configuration in cell.
Further, further include：
Network side equipment is subtracted user equipment for the reference signal power of the user's device configuration and received by user equipment
Reference signal receive power along with network side equipment is to the work(of the cell-specific of the cell configuration where the user's equipment
Rate offset parameter, the path loss as uplink.
Further, a kind of Poewr control method of uplink signal, including：
Network side equipment sets reference signal power as the proprietary parameter of cell；Also,
Increase power offset parameter, power offset parameter is arranged to the proprietary parameter of user equipment, for user equipment point
Power offset parameter is not configured；Or power offset parameter is arranged to the proprietary parameter of cell, it is that the user in same cell sets
It is standby to configure identical power offset parameter.
Further, further include：
User equipment is when power offset parameter is arranged to the proprietary parameter of user equipment by network side equipment, by network side
Equipment subtracts the reference signal power of the cell configuration where the user's equipment connecing for the reference signal that user equipment receives
Power is received along with the power offset parameter that network side equipment is the user's device configuration, the path loss as uplink.
Further, further include：
User equipment is when power offset parameter is arranged to the proprietary parameter of cell by network side equipment, by network side equipment
The reception work(for the reference signal that user equipment receives is subtracted to the reference signal power of the cell configuration where the user's equipment
Rate is along with network side equipment is to the power offset parameter of the cell configuration where the user's equipment, the path as uplink
Loss.
Further, further include：
User equipment is in the scene of uplink coordinated multicast communication, reference that network side equipment selects the user's equipment
The reference signal power of serving cell configuration subtracts the reception work(for the reference signal that user equipment is received from reference cell
Rate, the path loss as the uplink in reference cell；It will be damaged in the path of the uplink of reference cell
Consumption is the power offset parameter of user device configuration along with network side equipment, or plus network side equipment to where user equipment
The power offset parameter of cooperation cell configuration, the path loss as the uplink in cooperation cell.
Further, a kind of network side equipment, including：Parameter configuration unit, wherein：
Parameter configuration unit, for reference signal power to be arranged to the proprietary parameter of user equipment, for user equipment point
Reference signal power is not configured.
Further, parameter configuration unit, is additionally operable to increase power offset parameter, power offset parameter is arranged to user
The proprietary parameter of equipment, power offset parameter is respectively configured for user equipment.
Further, parameter configuration unit, is additionally operable to increase power offset parameter, power offset parameter is arranged to cell
Proprietary parameter, for the identical power offset parameter of the user device configuration in same cell.
Further, a kind of network side equipment, including：Parameter configuration unit, wherein：
Parameter configuration unit, for setting reference signal power as the proprietary parameter of cell；Also,
Increase power offset parameter, power offset parameter is arranged to the proprietary parameter of user equipment, for user equipment point
Power offset parameter is not configured；Or power offset parameter is arranged to the proprietary parameter of cell, it is that the user in same cell sets
It is standby to configure identical power offset parameter.
Further, a kind of user equipment, including：Reference signal receiving unit and path loss calculation unit, wherein：
Reference signal receiving unit, for receiving reference signal, calculates the reception power for the reference signal that measurement receives；
Path loss calculation unit, for network side equipment to be subtracted ginseng for the reference signal power of the user's device configuration
Examine the reception power of signal, the path loss as uplink.
Further, a kind of user equipment, including：Reference signal receiving unit and path loss calculation unit, wherein：
Reference signal receiving unit, for receiving reference signal, calculates the reception power for the reference signal that measurement receives；
Path loss calculation unit, for network side equipment to be subtracted ginseng for the reference signal power of the user's device configuration
That examines signal receives power along with the power offset parameter that network side equipment is the user's device configuration, as uplink
Path loss；Alternatively, network side equipment is subtracted to the reception work(of reference signal for the reference signal power of the user's device configuration
Rate is along with network side equipment is to the power offset parameter of the cell-specific of the cell configuration where the user's equipment, as uplink
The path loss of link.
Further, a kind of user equipment, including：Reference signal receiving unit and path loss calculation unit, wherein：
Reference signal receiving unit, for receiving reference signal, calculates the reception power for the reference signal that measurement receives；
Path loss calculation unit, for the reference signal by network side equipment to the cell configuration where the user's equipment
The power that receives that power subtracts the reference signal that user equipment receives adds network side equipment as the user's device configuration
Power offset parameter, the path loss as uplink；Or network side equipment matches somebody with somebody the cell where the user's equipment
The reference signal power put subtracts the reception power for the reference signal that user equipment receives along with network side equipment is to the use
The power offset parameter of cell configuration where the equipment of family, the path loss as uplink.
Further, path loss calculation unit, is additionally operable in the scene of uplink coordinated multicast communication, network side is set
The reference signal power that the standby reference cell to the selection of the user's equipment configures subtracts user equipment from reference cell
The reception power of the reference signal received, the path loss as the uplink in reference cell；Will be with reference to clothes
The path loss of the uplink for cell of being engaged in is the power offset parameter of user device configuration along with network side equipment, or adds
The power offset parameter that network side equipment configures cooperation cell where user equipment, as the uplink in cooperation cell
Path loss.
In conclusion present invention proposition is proprietary by the way that high level configuration parameter referenceSignalPower is arranged to UE
(UE-specific) power offset parameter (Poweroffset) of one high-level signaling configuration of parameter or increase or combination make
With realizing the accurate estimation to up path loss, to ensure the rational uplink transmission powers of UE, while reduce to other cells
The interference of neighboring user, the path loss being calculated according to the present invention are no longer directly to measure obtained downlink path loss, but
Closer to the estimate of actual uplink path loss, it can more accurately reflect the path loss of actual up channel.
Brief description of the drawings
Fig. 1 is the schematic diagram of the scene of the embodiment 1~5 of the Poewr control method of uplink signal of the present invention；
Fig. 2 is the flow chart of the embodiment of the present invention 1；
Fig. 3 is the flow chart of the embodiment of the present invention 2；
Fig. 4 is the flow chart of the embodiment of the present invention 3；
Fig. 5 is the flow chart of the embodiment of the present invention 4；
Fig. 6 is the flow chart of the embodiment of the present invention 5；
Fig. 7 is the schematic diagram of the scene of the embodiment of the present invention 6.
Embodiment
Present embodiment can be led when being differed in view of a UE in the receiving node of uplink and the sending node of downlink
The existing method on path loss estimation is caused to reflect the pathloss situation of actual uplink channel, it is necessary to consider how to design
The computational methods of path loss so that can accurately reflect the road of up channel by the measurement to downlink reference signal
Situation is lost in footpath, reasonably to estimate the transmitting signal power of UE, ensures the transmission of the uplink signal of UE, while can subtract again
Few interference to other neighbor cells user.
In distributed multi-antenna system or cooperative multicast system, the receiving node of the uplink at UE ends is with
The sending node of line link is inconsistent, and the difference of uplink and downlink path loss is larger, how to pass through the survey of the reference signal to downlink
Measure to estimate that the path loss of up channel just becomes current main problem, present embodiment by high level by configuring parameter
ReferenceSignalPower is arranged to the work(of one high-level signaling configuration of proprietary (UE-specific) parameters of UE or increase
Rate offset parameter (Poweroffset) or the method being applied in combination, improve the accuracy of up path loss estimation, so as to reasonable
Estimation UE transmitting signal power, ensure the transmission of the uplink signal of UE, at the same can reduce again to other neighbor cells use
The interference at family.
For the ease of understanding the present invention, with reference to specific embodiment, the present invention will be further elaborated.
Mode one：
ReferenceSignalPower is arranged to be individually for the UE- of each user configuration by network side equipment
Specific parameters, wherein, UE-specific parameters refer to that network side equipment is only limitted to single use for each user configuration
The parameter that family uses.
The path loss of UE is defined as：Path loss (PL)=referenceSignalPower-higher layer
Filtered RSRP, wherein higher layer filtered RSRP pass through high-rise filtered reference for what UE was received
The reception power of signal.
Mode two：
It is that high-level signaling is UE configurations that network side equipment, which increases power offset parameter Poweroffset, Poweroffset newly,
And power offset parameter Poweroffset is UE-specific parameters.
ReferenceSignalPower is cell-specific parameters, and all UE in same cell configure identical
ReferenceSignalPower values.
The path loss of UE is defined as：PL=referenceSignalPower-higher layer filtered
RSRP+Poweroffset, wherein higher layer filtered RSRP pass through high-rise filtered ginseng for what UE was received
Examine the reception power of signal；Poweroffset is the power offset parameter that high-level signaling is UE configurations.
Mode three：
Network side equipment increases power offset parameter Poweroffset, Poweroffset newly and is configured for high-level signaling, and, work(
Rate offset parameter Poweroffset is cell-specific parameters.
It is cell-specific parameters that network side equipment, which sets referenceSignalPower, the institute in same cell
There is UE to configure identical referenceSignalPower values.
The path loss of UE is defined as：PL=referenceSignalPower-higher layer filtered
RSRP+Poweroffset.Wherein higher layer filtered RSRP pass through high-rise filtered ginseng for what UE was received
Examine the reception power of signal；Poweroffset is the cell-specific parameters of high-level signaling configuration.
Mode four：
It is the UE-specific for being individually for each user configuration that network side equipment, which sets referenceSignalPower,
Parameter.
Network side equipment increases power offset parameter Poweroffset newly, is that high-level signaling is UE configurations, and, power bias
Parameter Poweroffset is UE-specific parameters.
The path loss of UE is defined as：PL=referenceSignalPower-higher layer filtered
RSRP+Poweroffset.Wherein higher layer filtered RSRP pass through high-rise filtered ginseng for what UE was received
Examine the reception power of signal.
Mode five：
It is the UE-specific for being individually for each user configuration that network side equipment, which sets referenceSignalPower,
Parameter.
Network side equipment increases power offset parameter Poweroffset newly, is that high-level signaling is UE configurations, and, power bias
Parameter Poweroffset is cell-specific parameters.
The path loss of UE is defined as：PL=referenceSignalPower-higher layer filtered
RSRP+Poweroffset, wherein higher layer filtered RSRP pass through high-rise filtered ginseng for what UE was received
Examine signal power.
The determination mode of UE-specific parameters referenceSignalPower can be but be not limited only to be identified below
Method：Network side equipment is different for each UE distribution apart from the how far of uplink receiving node according to each UE
ReferenceSignalPower values, network side equipment are less for the UE configuration near apart from uplink receiving node
ReferenceSignalPower values, larger referenceSignalPower is configured for the UE remote apart from uplink receiving node
Value.
The determination mode of UE-specific parameters Poweroffset can be but be not limited only to that method is identified below：Network
Side apparatus distributes different Poweroffset for each UE according to each UE apart from the how far of uplink receiving node
Value, network side equipment configure larger Poweroffset values for the UE near apart from uplink receiving node, are apart from uplink receiving section
The remote UE of point configures less Poweroffset values.
The determination mode of cell-specific parameters Poweroffset can be but be not limited only to that method is identified below：Net
Network side apparatus is identical for all UE distribution in cell apart from the average how far of uplink receiving node according to each UE
Poweroffset values.
Network side equipment can be base station.
Embodiment 1：
The present embodiment is the specific example for mode one；
As shown in Figure 1, there are two users in a serving cell, UE1 and UE2 are denoted as respectively.Wherein, UE1 to service
The downlink path loss of cell base station is denoted as PL_1, and the downlink path loss of UE2 to base station in service sector is denoted as PL_2.Distance two
RRH (Remote Radio Head, radio wideband headend) nearest a UE is denoted as RRH1 and RRH2 respectively.RRH1 to UE1
The path loss of uplink be denoted as PL1, the path loss of the uplink of RRH2 to UE2 is denoted as PL2.Field as depicted
Jing Zhong, the path loss PL_1 and PL_2 of downlink are much larger than the path loss PL1 and PL2 of actual up channel.
The Poewr control method of present embodiment is illustrated in figure 2, including：
Step 201：Base station is respectively that UE1 and UE2 configurations two are different while reference signal is sent
ReferenceSignalPower values, are denoted as referenceSignalPower_1 and referenceSignalPower_2；
Step 202：UE1 and UE2 calculates reception the power RSRP1 and RSRP2 of the reference signal received respectively；
Step 203：UE1 and UE2 calculates path loss, PL1=referenceSignalPower_1-higher respectively
Layer filtered RSRP1, PL2=reference SignalPower_2-higher layer filtered
RSRP2。
Embodiment 2：
The present embodiment is the specific example for mode two；
As shown in Figure 1, there are two users in a serving cell, UE1 and UE2 are denoted as respectively.Wherein, UE1 to service
The downlink path loss of cell base station is denoted as PL_1, and the downlink path loss of UE2 to base station in service sector is denoted as PL_2.Distance two
RRH nearest a UE is denoted as RRH1 and RRH2 respectively.The uplink pathloss of RRH1 to UE1 is denoted as PL1, RRH2 to UE2
Uplink pathloss be denoted as PL2.In scene as depicted, the path loss PL_1 and PL_2 of downlink are much larger than
The path loss PL1 and PL2 of actual up channel.
The Poewr control method of present embodiment is illustrated in figure 3, including：
Step 301：It is that UE1 and UE2 configurations are identical while base station sends reference signal
ReferenceSignalPower values, are denoted as referenceSignalPower；
Step 302：High-level signaling for UE1 and UE2 configure different power bias Poweroffset_1 and
Poweroffset_2；
Step 303：UE1 and UE2 calculates reception the power RSRP1 and RSRP2 of the reference signal received respectively；
Step 304：UE1 and UE2 calculates path loss, PL1=referenceSignalPower-higher respectively
Layer filtered RSRP1+Poweroffset_1, PL2=referenceSignalPower-higher layer
filtered RSRP2+Poweroffset_2。
Embodiment 3：
The present embodiment is the specific example for mode three；
As shown in Figure 1, there are two users in a serving cell, UE1 and UE2 are denoted as respectively.Wherein, UE1 to service
The downlink path loss of cell base station is denoted as PL_1, and the downlink path loss of UE2 to base station in service sector is denoted as PL_2.Distance two
RRH nearest a UE is denoted as RRH1 and RRH2 respectively.The uplink pathloss of RRH1 to UE1 is denoted as PL1, RRH2 to UE2
Uplink pathloss be denoted as PL2.In scene as depicted, the path loss PL_1 and PL_2 of downlink are much larger than
The path loss PL1 and PL2 of actual up channel.
The Poewr control method of present embodiment is illustrated in figure 4, including：
Step 401：It is that UE1 and UE2 configurations are identical while base station sends reference signal
ReferenceSignalPower values, are denoted as referenceSignalPower；
Step 402：High-level signaling configures identical power bias Poweroffset for UE1 and UE2；
Step 403：UE1 and UE2 calculates reception the power RSRP1 and RSRP2 of the reference signal received respectively；
Step 404：UE1 and UE2 calculates path loss, PL1=referenceSignalPower-higher respectively
Layer filtered RSRP1+Poweroffset, PL2=reference SignalPower-higher layer
filtered RSRP2+Poweroffset。
Embodiment 4：
The present embodiment is the specific example for mode four；
As shown in Figure 1, there are two users in a serving cell, UE1 and UE2 are denoted as respectively.Wherein, UE1 to service
The downlink path loss of cell base station is denoted as PL_1, and the downlink path loss of UE2 to base station in service sector is denoted as PL_2.Distance two
RRH nearest a UE is denoted as RRH1 and RRH2 respectively.The uplink pathloss of RRH1 to UE1 is denoted as PL1, RRH2 to UE2
Uplink pathloss be denoted as PL2.In scene as depicted, the path loss PL_1 and PL_2 of downlink are much larger than
The path loss PL1 and PL2 of actual up channel.
The Poewr control method of present embodiment is illustrated in figure 5, including：
Step 501：It is respectively that UE1 and UE2 configurations two are different while base station sends reference signal
ReferenceSignalPower values, are denoted as referenceSignalPower_1 and referenceSignalPower_2；
Step 502：High-level signaling for UE1 and UE2 configure different power bias Poweroffset_1 and
Poweroffset_2；
Step 503：UE1 and UE2 calculates reception the power RSRP1 and RSRP2 of the reference signal received respectively；
Step 504：UE1 and UE2 calculates path loss, PL1=referenceSignalPower_1-higher respectively
Layer filtered RSRP1+Poweroffset_1, PL2=referenceSignalPower_2-higher layer
filtered RSRP2+Poweroffset_2。
Embodiment 5：
The present embodiment is the specific example for mode five；
As shown in Figure 1, there are two users in a serving cell, UE1 and UE2 are denoted as respectively.Wherein, UE1 to service
The downlink path loss of cell base station is denoted as PL_1, and the downlink path loss of UE2 to base station in service sector is denoted as PL_2.Distance two
RRH nearest a UE is denoted as RRH1 and RRH2 respectively.The uplink pathloss of RRH1 to UE1 is denoted as PL1, RRH2 to UE2
Uplink pathloss be denoted as PL2.In scene as depicted, the path loss PL_1 and PL_2 of downlink are much larger than
The path loss PL1 and PL2 of actual up channel.
The Poewr control method of present embodiment is illustrated in figure 6, including：
Step 601：It is respectively that UE1 and UE2 configurations two are different while base station sends reference signal
ReferenceSignalPower values, are denoted as referenceSignalPower_1 and referenceSignalPower_2；
Step 602：High-level signaling configures identical power bias Poweroffset for UE1 and UE2；
Step 603：UE1 and UE2 calculates reception the power RSRP1 and RSRP2 of the reference signal received respectively；
Step 604：UE1 and UE2 calculates path loss, PL1=referenceSignalPower_1-higher respectively
Layer filtered RSRP1+Poweroffset, PL2=reference SignalPower_2-higher layer
filtered RSRP2+Poweroffset。
Embodiment 6：
The present embodiment is for the example under UL CoMP scenes；
As shown in fig. 7, the user UE positioned at 1 edge of cell sends uplink signal to cell 1,2 and 3 at the same time.UE is to cell 1
Uplink path loss be denoted as PL1, while PL1 is also the downlink path loss between UE and cell 1, and the uplink path loss of UE to cell 2 is denoted as
The uplink path loss of PL2, UE to cell 3 is denoted as PL3, while UE selection cells 1, as serving cell is referred to, cell 2 and cell 3 are made
For cooperation cell.
UE measures the RSRP of the downlink reference signal of cell 1 first, the reference then configured according to high-level signaling
SignalPower values calculate PL1：PL1=referenceSignalPower-higher layer filtered RSRP.Base
Stand and biased according to the different path loss of the channel condition configuration between UE and cell 2 and cell 3：Path loss biasing is configured for cell 2
Poweroffset_1, configures path loss for cell 3 and biases Poweroffset_2.Then PL2=referenceSignalPower-
higher layer filtered RSRP+Poweroffset_1；PL3=referenceSignalPower-higher
layer filtered RSRP+Poweroffset_2。
Or configure identical path loss for cell 1 and cell 2 and bias Poweroffset, then：PL2=PL3=
referenceSignalPower-higher layer filtered RSRP+Poweroffset。
From above embodiment it can be seen that the method given of the present invention, by the way that high level is configured parameter
ReferenceSignalPower is arranged to the work(of one high-level signaling configuration of proprietary (UE-specific) parameters of UE or increase
The method of rate offset parameter Poweroffset or the method being applied in combination improve the accuracy of uplink path loss estimation, so as to reasonable
Estimation UE transmitting signal power, ensure the transmission of the uplink signal of UE, at the same can reduce again to other neighbor cells use
The interference at family.
Present embodiment additionally provides a kind of network side equipment, including：Parameter configuration unit, wherein：
Parameter configuration unit, for reference signal power to be arranged to the proprietary parameter of user equipment, for user equipment point
Reference signal power is not configured；Increase power offset parameter is additionally operable to, it is proprietary that power offset parameter is arranged to user equipment
Parameter, power offset parameter is respectively configured for user equipment；Increase power offset parameter is additionally operable to, power offset parameter is set
It is the identical power offset parameter of user device configuration in same cell for the proprietary parameter of cell.
In addition, another network side equipment of present embodiment, including：Parameter configuration unit, wherein：
Parameter configuration unit, for setting reference signal power as the proprietary parameter of cell；Also, increase power bias ginseng
Number, the proprietary parameter of user equipment is arranged to by power offset parameter, and power offset parameter is respectively configured for user equipment；Or will
Power offset parameter is arranged to the proprietary parameter of cell, for the identical power bias ginseng of the user device configuration in same cell
Number.
Present embodiment additionally provides a kind of user equipment, including：Reference signal receiving unit and path loss calculation list
Member, wherein：
Reference signal receiving unit, for receiving reference signal, calculates the reception power for the reference signal that measurement receives；
Path loss calculation unit, for network side equipment to be subtracted ginseng for the reference signal power of the user's device configuration
Examine the reception power of signal, the path loss as uplink.
Another user equipment of present embodiment, including：Reference signal receiving unit and path loss calculation unit, its
In：
Reference signal receiving unit, for receiving reference signal, calculates the reception power for the reference signal that measurement receives；
Path loss calculation unit, for network side equipment to be subtracted ginseng for the reference signal power of the user's device configuration
That examines signal receives power along with the power offset parameter that network side equipment is the user's device configuration, as uplink
Path loss；Alternatively, network side equipment is subtracted to the reception work(of reference signal for the reference signal power of the user's device configuration
Rate is along with network side equipment is to the power offset parameter of the cell-specific of the cell configuration where the user's equipment, as uplink
The path loss of link.
Another user equipment of present embodiment, including：Reference signal receiving unit and path loss calculation unit, its
In：
Reference signal receiving unit, for receiving reference signal, calculates the reception power for the reference signal that measurement receives；
Path loss calculation unit, for the reference signal by network side equipment to the cell configuration where the user's equipment
The power that receives that power subtracts the reference signal that user equipment receives adds network side equipment as the user's device configuration
Power offset parameter, the path loss as uplink；Or network side equipment matches somebody with somebody the cell where the user's equipment
The reference signal power put subtracts the reception power for the reference signal that user equipment receives along with network side equipment is to the use
The power offset parameter of cell configuration where the equipment of family, the path loss as uplink.
Path loss calculation unit, is additionally operable in the scene of uplink coordinated multicast communication, by network side equipment to the use
The reference signal power of the reference cell configuration of family equipment selection subtracts what user equipment was received from reference cell
The reception power of reference signal, the path loss as the uplink in reference cell；By in reference cell
The path loss of uplink is the power offset parameter of user device configuration along with network side equipment, or is set plus network side
The standby power offset parameter to cooperation cell configuration where user equipment, the path as the uplink in cooperation cell are damaged
Consumption.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, for the skill of this area
For art personnel, the invention may be variously modified and varied.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (11)
1. a kind of Poewr control method of uplink signal, including：
Reference signal power is arranged to the proprietary parameter of user equipment by network side equipment, and the ginseng is respectively configured for user equipment
Signal power is examined, the reference signal power is the power of public reference signal CRS；The network side equipment increases power bias
Parameter, the proprietary parameter of cell is arranged to by the power offset parameter, is that the user device configuration in same cell is identical
Power offset parameter.
2. the method as described in claim 1, it is characterised in that further include：
The network side equipment is subtracted the user for the reference signal power of the user's device configuration and set by the user equipment
The reception power of the standby reference signal received, the path loss as uplink.
3. the method as described in claim 1, it is characterised in that further include：
The network side equipment is subtracted the user for the reference signal power of the user's device configuration and set by the user equipment
The standby reference signal received receives power along with the network side equipment is to the cell configuration where the user's equipment
The power offset parameter of cell-specific, the path loss as uplink.
4. a kind of Poewr control method of uplink signal, including：
Network side equipment sets reference signal power, and for cell proprietary parameter, the reference signal power is public reference signal
The power of CRS；Also,
Increase power offset parameter, the power offset parameter is arranged to the proprietary parameter of user equipment, for user equipment point
The power offset parameter is not configured.
5. method as claimed in claim 4, it is characterised in that further include：
The user equipment when the power offset parameter is arranged to the proprietary parameter of user equipment by the network side equipment,
The network side equipment subtracts the reference signal power of the cell configuration where the user's equipment to the user equipment to receive
The reference signal arrived receives power along with the network side equipment is the power offset parameter of the user's device configuration, as
The path loss of uplink.
6. method as claimed in claim 4, it is characterised in that further include：
The user equipment selects the user's equipment the network side equipment in the scene of uplink coordinated multicast communication
The reference signal power of reference cell configuration subtracts the reference that the user equipment is received from the reference cell
The reception power of signal, the path loss as the uplink in the reference cell；Will be small in the Reference Services
The path loss of the uplink in area is made along with the power offset parameter that the network side equipment is the user device configuration
For in the path loss of the uplink of the cooperation cell.
7. a kind of network side equipment, including：Parameter configuration unit, wherein：
The parameter configuration unit, for reference signal power to be arranged to the proprietary parameter of user equipment, for user equipment point
The reference signal power is not configured, and the reference signal power is the power of public reference signal CRS；It is additionally operable to increase power
Offset parameter, the proprietary parameter of cell is arranged to by the power offset parameter, is the user device configuration phase in same cell
Same power offset parameter.
8. a kind of network side equipment, including：Parameter configuration unit, wherein：
The parameter configuration unit, for setting reference signal power to be for the proprietary parameter of cell, the reference signal power
The power of public reference signal CRS；Also,
Increase power offset parameter, the power offset parameter is arranged to the proprietary parameter of user equipment, for user equipment point
The power offset parameter is not configured.
9. a kind of user equipment, including：Reference signal receiving unit and path loss calculation unit, wherein：
The reference signal receiving unit, for receiving reference signal, calculates the reception power for the reference signal that measurement receives；
The path loss calculation unit, for network side equipment to be subtracted institute for the reference signal power of the user's device configuration
That states reference signal receives power along with the power offset parameter that the network side equipment is the user's device configuration, as upper
The path loss of line link；The reference signal power is that network side equipment is the proprietary parameter that user equipment is set, described
Reference signal power is the power of public reference signal CRS；The power offset parameter is that the cell that network side equipment is set is special
Some parameters, for the identical power offset parameter of the user device configuration in same cell.
10. a kind of user equipment, including：Reference signal receiving unit and path loss calculation unit, wherein：
The reference signal receiving unit, for receiving reference signal, calculates the reception power for the reference signal that measurement receives；
The path loss calculation unit, for the reference signal by network side equipment to the cell configuration where the user's equipment
Power subtracts the reception power for the reference signal that the user equipment receives along with the network side equipment sets for the user
The power offset parameter of standby configuration, the path loss as uplink；The power offset parameter is that network side equipment is to use
The proprietary parameter that family equipment is set, the reference signal power is the power of public reference signal CRS.
11. user equipment as claimed in claim 10, it is characterised in that：
The path loss calculation unit, is additionally operable in the scene of uplink coordinated multicast communication, by the network side equipment pair
The reference signal power of the reference cell configuration of the user's equipment selection subtracts the user equipment from the Reference Services
The reception power for the reference signal that cell receives, the path loss as the uplink in the reference cell；Will
The reference cell uplink path loss along with the network side equipment is the user device configuration
Power offset parameter, the path loss as the uplink in the cooperation cell.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110209010.2A CN102244923B (en) | 2011-07-25 | 2011-07-25 | A kind of Poewr control method of uplink signal, network side equipment and user equipment |
| PCT/CN2011/084969 WO2012155518A1 (en) | 2011-07-25 | 2011-12-30 | Power control method for uplink signal, network-side equipment and user equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110209010.2A CN102244923B (en) | 2011-07-25 | 2011-07-25 | A kind of Poewr control method of uplink signal, network side equipment and user equipment |
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| Publication Number | Publication Date |
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| CN102244923A CN102244923A (en) | 2011-11-16 |
| CN102244923B true CN102244923B (en) | 2018-04-27 |
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| CN201110209010.2A Active CN102244923B (en) | 2011-07-25 | 2011-07-25 | A kind of Poewr control method of uplink signal, network side equipment and user equipment |
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| CN (1) | CN102244923B (en) |
| WO (1) | WO2012155518A1 (en) |
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| EP4161142A4 (en) * | 2020-05-25 | 2023-11-22 | Panasonic Intellectual Property Corporation of America | Access point, terminal, and communication method |
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| CN103209470B (en) * | 2012-01-13 | 2018-02-06 | 中兴通讯股份有限公司 | A kind of uplink signal sending method and device |
| CN103298091B (en) * | 2012-03-01 | 2018-08-24 | 中兴通讯股份有限公司 | Uplink transmission power determines method and device |
| CN103391576B (en) * | 2012-05-11 | 2017-01-25 | 华为技术有限公司 | Reporting method and device for reference signal receiving power |
| CN104255073B (en) * | 2012-05-11 | 2018-11-20 | 富士通株式会社 | The transmitted power control method and its device of uplink detection reference signal |
| WO2014094277A1 (en) * | 2012-12-20 | 2014-06-26 | 华为技术有限公司 | Information transmitting, receiving method and device thereof |
| CN104349443B (en) | 2013-08-09 | 2019-02-12 | 电信科学技术研究院 | A kind of ascending power control method and device |
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| WO2015168906A1 (en) | 2014-05-08 | 2015-11-12 | 富士通株式会社 | Power control method for uplink channel, user equipment and communication system |
| US10271287B2 (en) | 2015-04-13 | 2019-04-23 | Telefonaktiebolaget Lm Ericsson (Publ) | Power control in a wireless network |
| CN108207023B (en) * | 2016-12-18 | 2020-12-29 | 上海朗帛通信技术有限公司 | Method and device for UE (user equipment) and base station for narrow-band communication |
| BR112019013616A2 (en) | 2016-12-30 | 2020-03-17 | Huawei Technologies Co., Ltd. | METHODS FOR ESTIMATING LOSS OF TRAJECTORY AND DEVICES |
| CN111447595A (en) * | 2017-04-13 | 2020-07-24 | 上海朗帛通信技术有限公司 | Method and device used in user equipment and base station for wireless communication |
| CN109462856A (en) * | 2017-09-06 | 2019-03-12 | 中国移动通信有限公司研究院 | Obtain the method and network side equipment of RSRP |
| WO2019140692A1 (en) * | 2018-01-22 | 2019-07-25 | 北京小米移动软件有限公司 | Information configuration method and apparatus, determination method and apparatus for received power, and base station |
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| WO2012155518A1 (en) | 2012-11-22 |
| CN102244923A (en) | 2011-11-16 |
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