CN110830132B - Processing method, device and storage medium for uplink transmission timing - Google Patents
Processing method, device and storage medium for uplink transmission timing Download PDFInfo
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Abstract
The invention provides a reference signal measuring method, an interference measuring method, a power control method and a device, wherein the reference signal measuring method comprises the following steps: determining sampling points in a cell signal transmission time period in a filtering period; carrying out cell reference signal measurement on the sampling points to obtain corresponding cell reference signal measurement results; and filtering the cell reference signal measurement result to obtain a cell reference signal measurement value. The embodiment of the invention solves the problem of inaccurate measurement result caused by RRM measurement in a discontinuous cell reference signal emission environment by adopting a fixed measurement period.
Description
Technical Field
The invention relates to a processing method and a processing device for uplink transmission timing and a storage medium.
Background
The current Long Term Evolution (LTE) system design is designed on the premise that LTE works at an authorized frequency, and the corresponding measurement and power control are also designed on the premise that the LTE system continuously transmits at the authorized frequency. When the LTE system is deployed on an unlicensed frequency, the transmission time of a cell may be discontinuous, and the transmission power may also be unstable. There is a need for improvements in the prior art to accommodate transmission on licensed frequencies. Specific examples thereof are: the Cell-Specific Reference Signal (CRS) measurement in the long term evolution system is a measurement of a common Reference Signal of a Cell, and in order to obtain an appearance position of the Cell Reference Signal, User Equipment (UE) needs to detect a synchronization channel of the Cell first, define frame boundary information according to the synchronization channel, and then judge the appearance position (i.e., a time domain position and a frequency domain position) of the Cell Reference Signal according to the frame boundary information and a Cell Physical Cell Identity (PCI). The cell reference signal measurement may be further divided into Radio Resource Management (RRM) measurement, Channel Quality Information (CQI) measurement, and Radio Link Management (RLM) measurement.
When the cell reference signal is used as the RRM measurement, the UE performs the cell reference signal measurement according to a certain sampling period. That is, the UE samples one or more measurement points in one sampling period and performs an average filtering process on the sampled measurement results to generate one measurement value. Then, the measured value is reported to the base station through the RRC layer of the UE. The base station determines whether the measured cell is suitable as a serving cell for the UE based on the measurement value.
However, since the measurement period of this measurement method is a fixed period, in this fixed period, the sampled measurement points may include the sampling points normally transmitted by the cell, and may also include the sampling points stopped from transmitting by the cell, and if the sampling points stopped from transmitting by the cell are included, the measurement value may be inaccurate. Thereby reducing the measurement efficiency of the reference signal during cell transmission.
In addition, in the LTE system, the design of the operating mechanism of the base station is designed for long-term continuous transmission by adopting stable power for the cell-specific CRS/Physical Downlink Shared Channel (PDSCH). And the UE reports the measurement event according to the measurement of the radio resource management RRM of the CRS, and the base station determines a service working cell for the UE according to the measurement event. The UE carries out CRS measurement in a working cell, measures the power offset of a PDSCH relative to the CRS, feeds back CQI, and carries out downlink scheduling on the UE according to the CQI to realize power control: however, CRS transmission time and power of a cell on an unlicensed frequency and PDSCH transmission power are not in a stable state, so how to improve accuracy of interference measurement and fast adjustment of a power offset reference coefficient under the condition that CRS or CRS/PDSCH power discontinuous in time is frequently changed, thereby maintaining normal operating cell maintenance and data reception is a problem to be solved at present.
Disclosure of Invention
The embodiment of the invention provides a reference signal measurement method and a reference signal measurement device, which are used for solving the problem of inaccurate measurement result caused by RRM measurement in a discontinuous cell reference signal emission environment by adopting a fixed measurement period.
The embodiment of the invention provides an interference measurement method, which is used for improving the accuracy of interference measurement.
The embodiment of the invention provides a power control method and a power control device, which are used for realizing the quick adjustment of a power offset reference coefficient.
In order to solve the technical problem, the embodiment of the invention discloses the following technical scheme:
a first aspect provides a method for measuring a reference signal, including:
determining sampling points in a cell signal transmission time period in a filtering period;
carrying out cell reference signal measurement on the sampling points to obtain corresponding cell reference signal measurement results;
and filtering the cell reference signal measurement result to obtain a cell reference signal measurement value.
In a first possible implementation manner of the first aspect, the determining a sampling point in the cell signal transmission time period in the filtering period includes:
acquiring a cell signal transmission time period and a cell stop signal transmission time period;
and determining sampling points of the cell signal transmission time periods in the filtering period according to the cell signal transmission time periods and the cell stop signal transmission time periods.
With reference to the first aspect or the first possible implementation manner of the first aspect, in a second possible implementation manner, the acquiring a cell signal transmission time period and a cell stop signal transmission time period includes:
receiving the starting time or the stopping time of cell signal transmission sent by network side equipment, and determining the cell signal transmission time period according to the starting time or the stopping time of the cell signal transmission; or
Receiving the time length of cell signal transmission or transmission stopping sent by the network side equipment, and determining the cell signal transmission time period according to the time length of the cell signal transmission or transmission stopping.
With reference to the first aspect or the first or second possible implementation manner of the first aspect, in a third possible implementation manner, the method further includes:
and receiving the cell reference signal according to a set period in the cell stop signal transmission time period, wherein the set period is at least 2 subframes apart.
With reference to the first aspect or the first or second or third possible implementation manner of the first aspect, in a fourth possible implementation manner, performing cell reference signal measurement on the sampling point to obtain a corresponding cell reference signal measurement result includes:
measuring the intensity or channel quality information of the cell reference signal of the cell at the sampling point;
and taking the intensity or the channel quality information of the cell reference signal larger than a preset threshold value as a corresponding cell reference signal measurement result.
With reference to the first aspect or the first or second or third or fourth possible implementation manner of the first aspect, in a fifth possible implementation manner, the method further includes:
and reporting the cell reference signal measurement value to network side equipment.
With reference to the first aspect or the first or second or third or fourth or fifth possible implementation manner of the first aspect, in a sixth possible implementation manner, the method further includes:
judging whether the number of sampling points in the signal transmission time period of the cell in the filtering period is less than the number of preset sampling points or not;
and if the number of the sampling points in the cell signal transmission time period in the filtering period is judged to be less than the preset number of the sampling points, reporting the indication information that the cell reference signal measurement value fails to meet the measurement precision requirement to the network side equipment.
A second aspect provides an interference measurement method, comprising:
determining resource location information of a zero power reference symbol;
notifying resource position information of the zero power reference symbol to the UE, and indicating the UE to perform interference measurement on a resource position corresponding to the resource position information;
and receiving an interference measurement value reported by the UE, wherein the interference measurement value comprises the signal power measured by the UE at the resource position.
In a first possible implementation manner of the second aspect, the determining resource location information of the zero power reference symbol includes:
determining position information of at least two reference symbols of fourteen reference symbols of each subframe in at least one period as resource position information of a zero power reference symbol.
With reference to the second aspect or the first possible implementation manner of the second aspect, in a second possible implementation manner, the resource location information includes: a period value and a resource location of zero power transmission of a reference symbol in each of the periods.
A third aspect provides an interference measurement method, including:
receiving resource position information of a zero power reference symbol sent by network side equipment, wherein the resource position information of the zero power reference symbol indicates a resource position at which a network side does not transmit a cell reference signal;
determining the resource position of the network side not transmitting the cell reference signal according to the resource position information;
performing interference measurement on the resource position to obtain an interference measurement value;
and reporting the interference measurement value to network side equipment, wherein the interference measurement value comprises the signal power measured by the UE at the resource position.
In a first possible implementation manner of the third aspect, the resource location information includes: a period value, and a resource location of zero power transmission of a reference symbol in each of the periods.
A fourth aspect provides an interference measurement method, comprising:
determining sampling points in a time period when the cell signals stop transmitting in the filtering period;
performing interference measurement on the sampling point to obtain an interference measurement value;
and reporting the interference measurement value to network side equipment, wherein the interference measurement value comprises the signal power measured by the UE at the resource position.
In a first possible implementation manner of the fourth aspect, the determining a sampling point in a period of time in which a cell signal stops transmitting in a filtering cycle includes:
acquiring a cell signal transmission time period and a cell stop signal transmission time period;
and determining a sampling point of the cell signal emission stopping time period in the filtering period according to the cell signal emission time period and the cell signal emission stopping time period.
With reference to the fourth aspect or the first possible implementation manner of the fourth aspect, in a second possible implementation manner, the acquiring a cell signal transmission time period and a cell stop signal transmission time period includes:
receiving the starting time or the stopping time of cell signal transmission sent by network side equipment, and determining the cell signal transmission stopping time period according to the starting time or the stopping time of the cell signal transmission; or
Receiving the time length of cell signal transmission or transmission stop sent by the network side equipment, and determining the cell signal transmission stop time period according to the time length of the cell signal transmission or transmission stop.
With reference to the fourth aspect or the first or second possible implementation manner of the fourth aspect, in a third possible implementation manner, the performing interference measurement on the sampling point to obtain an interference measurement value includes:
measuring the intensity or channel quality information of the cell reference signal of the cell at the sampling point;
and taking the intensity or the channel quality information of the cell reference signal larger than a preset threshold value as a corresponding cell reference signal measurement result.
A fifth aspect provides a power control method, comprising:
configuring a first power offset reference coefficient for User Equipment (UE), wherein the first power offset reference coefficient is used for indicating the UE to calculate Channel Quality Information (CQI);
transmitting the configured first power offset reference coefficient to the UE;
adjusting a first power offset reference coefficient configured by the UE to obtain power adjustment offset parameter information; the power adjustment bias parameter information is used for indicating the UE to adjust a power bias reference coefficient, and the adjusted power bias reference coefficient is used for calculating CQI in a subsequent setting frame;
and sending the power adjustment bias parameter information to the UE.
In a first possible implementation manner of the fifth aspect, the method further includes:
and receiving indication information which is sent by the UE and used for calculating the CQI by using the adjusted power offset reference coefficient.
With reference to the fifth aspect or the first possible implementation manner of the fifth aspect, in a second possible implementation manner,
the sending the configured first power offset reference coefficient to the UE includes: sending a first power offset reference coefficient to the UE through Radio Resource Control (RRC) signaling;
the sending the power adjustment bias parameter information to the UE includes: and the power adjustment bias parameter information is sent to the UE through a physical downlink control channel PDCCH or a media access control layer control unit MAC CE.
A sixth aspect provides a power control method comprising:
receiving a first power offset reference coefficient sent by network side equipment;
calculating Channel Quality Information (CQI) according to the first power bias reference coefficient;
receiving power adjustment bias parameter information sent by the network side equipment, wherein the power adjustment bias parameter information is received in an Nth subframe, and N is a positive integer greater than zero;
adjusting a power offset reference coefficient according to the power adjustment offset parameter information;
and calculating the CQI by using the adjusted power offset reference coefficient in a setting frame subsequent to the N + M subframes, wherein M is a positive integer larger than zero.
In a first possible implementation form of the sixth aspect,
the power adjustment bias parameter information includes: a second power offset reference coefficient;
the adjusting the power offset reference coefficient according to the power adjustment offset parameter information includes: and taking the second power offset reference coefficient as an adjusted power offset reference coefficient.
With reference to the sixth aspect or the first possible implementation manner of the sixth aspect, in a second possible implementation manner,
the power adjustment bias parameter information includes: a power offset reference adjustment;
the adjusting the power offset reference coefficient according to the power adjustment offset parameter information includes: calculating a third power offset reference coefficient according to the power offset reference adjustment quantity; and taking the third power offset reference coefficient as an adjusted power offset reference coefficient.
With reference to the sixth aspect or the first or second possible implementation manner of the sixth aspect, in a third possible implementation manner, the subframe of the setting frame includes D subframes, where D is a positive integer greater than zero; the method further comprises the following steps:
resuming the calculation of CQI using the first power offset reference coefficient in subsequent subframes of the N + M + D subframes.
With reference to the sixth aspect or the first, second, or third possible implementation manner of the sixth aspect, in a fourth possible implementation manner, the method further includes:
and sending indication information for calculating the CQI by using the adjusted power offset reference coefficient to the network side equipment.
A seventh aspect provides a reference signal measurement apparatus, comprising:
the determining unit is used for determining sampling points in a cell signal transmission time period in a filtering period;
the measuring unit is used for measuring the cell reference signals of the sampling points to obtain corresponding cell reference signal measuring results;
and the processing unit is used for filtering the cell reference signal measurement result to obtain a cell reference signal measurement value.
In a first possible implementation manner of the seventh aspect, the determining unit includes:
the device comprises an acquisition unit, a processing unit and a processing unit, wherein the acquisition unit is used for acquiring a cell signal transmission time period and a cell stop signal transmission time period;
and the first determining unit is used for determining sampling points of the cell signal transmission time periods in the filtering period according to the cell signal transmission time periods and the cell stop signal transmission time periods.
With reference to the seventh aspect or the first possible implementation manner of the seventh aspect, in a second possible implementation manner, the obtaining unit includes: a first receiving unit and a first time period determining unit; and/or a second receiving unit and a second period determining unit, wherein,
the first receiving unit is used for receiving the starting time or the stopping time of cell signal transmission sent by the network side equipment;
the first time period determining unit is configured to determine the cell signal transmission time period according to a start time or a stop time of the cell signal transmission;
the second receiving unit is configured to receive a time length for cell signal transmission or transmission stop sent by the network side device;
the second time period determining unit is configured to determine the cell signal transmission time period according to the time length of the cell signal transmission or the transmission stop.
With reference to the seventh aspect or the first or second possible implementation manner of the seventh aspect, in a third possible implementation manner, the method further includes:
a third receiving unit, configured to receive the cell reference signal according to a set period in the cell stop signal transmission time period, where the set period is at least 2 subframes apart.
With reference to the seventh aspect or the first, second, or third possible implementation manner of the seventh aspect, in a fourth possible implementation manner, the measurement unit includes:
the first measuring unit is used for measuring the intensity or channel quality information of the cell reference signal at the sampling point;
and the second determining unit is used for taking the intensity or the channel quality information of the cell reference signal larger than the preset threshold value as a corresponding cell reference signal measurement result.
With reference to the seventh aspect or the first or second or third or fourth possible implementation manner of the seventh aspect, in a fifth possible implementation manner, the method further includes:
and the second sending unit is used for reporting the cell reference signal measurement value obtained by the processing unit to network side equipment.
With reference to the seventh aspect or the first or second or third or fourth or fifth possible implementation manner of the seventh aspect, in a sixth possible implementation manner, the method further includes:
the judging unit is used for judging whether the number of sampling points in the cell signal transmission time period determined by the determining unit is less than the number of preset sampling points or not;
the second sending unit is further configured to report, to the network side device, indication information that the cell reference signal measurement value fails to meet the measurement accuracy requirement when the determining unit determines that the number of sampling points in the cell signal transmission time period is smaller than a preset number of sampling points.
An eighth aspect provides an interference measurement apparatus comprising:
a determining unit, configured to determine resource location information of a zero power reference symbol;
a sending unit, configured to notify resource location information of the zero power reference symbol to the UE, so that the UE performs interference measurement on a resource location corresponding to the resource location information;
a receiving unit, configured to receive an interference measurement value reported by the UE, where the interference measurement value includes a signal power measured by the UE at the resource location.
In a first possible implementation manner of the eighth aspect, the determining unit is specifically configured to determine, as the resource location information of the zero-power reference symbol, location information of at least two reference symbols of the 14 reference symbols of each subframe in at least one period.
With reference to the eighth aspect or the first possible implementation manner of the eighth aspect, in a second possible implementation manner, the resource location information determined by the determining unit includes: a period value and a resource location of zero power transmission of a reference symbol in each of the periods.
A ninth aspect provides an interference measurement apparatus comprising:
a receiving unit, configured to receive resource location information of a zero power reference symbol sent by a network side device, where the resource location information of the zero power reference symbol indicates a resource location where a network side does not transmit a cell reference signal;
a determining unit, configured to determine, according to the resource location information, a resource location where the network side does not transmit the cell reference signal;
and the measuring unit is used for carrying out interference measurement on the resource position to obtain an interference measurement value.
And the sending unit is used for reporting the interference measurement value to network side equipment, wherein the interference measurement value comprises the signal power measured by the UE at the resource position.
In a first possible implementation manner of the ninth aspect, the resource location information received by the receiving unit includes: a period value, and a resource location of zero power transmission of a reference symbol in each of the periods.
A tenth aspect provides an interference measurement apparatus comprising:
the determining unit is used for determining sampling points in a time period when the cell signals stop transmitting in the filtering period;
the measuring unit is used for carrying out interference measurement on the sampling points to obtain an interference measurement value;
and the sending unit is used for reporting the interference measurement value to network side equipment, wherein the interference measurement value comprises the signal power measured by the UE at the resource position.
In a first possible implementation manner of the tenth aspect, the determining unit includes:
the device comprises an acquisition unit, a processing unit and a processing unit, wherein the acquisition unit is used for acquiring a cell signal transmission time period and a cell stop signal transmission time period;
and the first determining unit is used for determining sampling points of the cell signal emission stopping time periods in the filtering period according to the cell signal emission time periods and the cell signal emission stopping time periods.
With reference to the tenth aspect or the first possible implementation manner of the tenth aspect, in a second possible implementation manner, the obtaining unit includes: a first receiving unit and a first time period determining unit; and/or a second receiving unit and a second period determining unit, wherein,
the first receiving unit is used for receiving the starting time or the stopping time of cell signal transmission sent by the network side equipment;
the first time period determining unit is configured to determine a time period for the cell signal to stop transmitting in a filtering cycle according to a start time or a stop time of the cell signal transmitting;
the second receiving unit is configured to receive a time length for cell signal transmission or transmission stop sent by the network side device;
and the second time period determining unit is used for determining the cell signal transmission stopping time period in the filtering period according to the time length of the cell signal transmission or the cell signal transmission stopping.
With reference to the tenth aspect or the first or second possible implementation manner of the tenth aspect, in a third possible implementation manner, the measurement unit includes:
the first measuring unit is used for measuring the intensity or channel quality information of the cell reference signal of the cell at the sampling point;
and the second determining unit is used for taking the intensity or the channel quality information of the cell reference signal larger than the preset threshold value as a corresponding cell reference signal measurement result.
An eleventh aspect provides a power control apparatus comprising:
a configuration unit, configured to configure a first power offset reference coefficient for a user equipment UE, where the first power offset reference coefficient is used to instruct the UE to calculate channel quality information CQI;
a first sending unit, configured to send the configured first power offset reference coefficient to the UE;
an adjusting unit, configured to adjust a first power offset reference coefficient configured by the UE, to obtain power adjustment offset parameter information, where the power adjustment offset parameter information is used to instruct the UE to adjust the power offset reference coefficient, and the adjusted power offset reference coefficient is used to calculate a CQI in a subsequent setting frame;
a second sending unit, configured to send the adjusted power adjustment bias parameter information to the UE.
In a first possible implementation manner of the eleventh aspect, the method further includes:
and a receiving unit, configured to receive indication information sent by the UE and used for calculating a CQI by using the adjusted power offset reference coefficient.
A twelfth aspect provides a power control apparatus comprising:
the first receiving unit is used for receiving a first power offset reference coefficient sent by network side equipment;
a first calculating unit, configured to calculate channel quality information CQI according to the first power offset reference coefficient; n is a positive integer greater than zero;
a second receiving unit, configured to receive power adjustment bias parameter information sent by the network side device; the power adjustment bias parameter information is received in an Nth subframe, and M is a positive integer larger than zero;
the adjusting unit is used for adjusting the power offset reference coefficient according to the power adjustment offset parameter information;
and a second calculating unit, configured to calculate channel quality information CQI using the adjusted power offset reference coefficient in a setting frame subsequent to the N + M subframes.
In a first possible implementation manner of the twelfth aspect, the power adjustment bias parameter information received by the second receiving unit includes: the adjusted second power bias reference coefficient;
the adjusting unit is specifically configured to adjust the first power offset reference frame to be a second power offset reference coefficient.
With reference to the twelfth aspect or the first possible implementation manner of the twelfth aspect, in a second possible implementation manner,
the power adjustment bias parameter information received by the second receiving unit includes: a power offset reference adjustment; the adjusting unit includes:
the third calculating unit is used for calculating a third power offset reference coefficient according to the power offset reference adjustment quantity;
and the offset coefficient adjusting unit is used for adjusting the first power offset reference system into a third power offset reference coefficient.
With reference to the twelfth aspect or the first or second possible implementation manner of the twelfth aspect, in a third possible implementation manner, the method is characterized in that,
the first receiving unit is specifically configured to receive, through a radio resource control RRC signaling, a first power offset reference coefficient sent by the network side device;
the second receiving unit is specifically configured to receive the power adjustment offset parameter information sent by the network side device through a physical downlink control channel PDCCH or a media access control layer control unit MAC CE.
With reference to the twelfth aspect or the first or second or third possible implementation manner of the twelfth aspect, in a fourth possible implementation manner, the subframe of the setting frame includes D subframes, and D is a positive integer greater than zero; further comprising:
a fourth calculating unit, configured to resume calculating the CQI using the first power offset reference coefficient in a subsequent subframe of the N + M + D subframes.
With reference to the twelfth aspect or the first or second or third or fourth possible implementation manner of the twelfth aspect, in a fifth possible implementation manner, the method further includes:
and the sending unit is also used for sending indication information for calculating the CQI by using the adjusted power offset reference coefficient to the network side equipment after the adjustment of the adjusting unit.
According to the technical scheme, in the embodiment of the invention, in the filtering period, because only the sampling points in the cell signal transmission time period are measured, the measurement of the sampling points in the cell signal transmission stop time period is avoided, and the accuracy of the measured value is improved. Meanwhile, cell reference signal measurement is carried out on discontinuous cells.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a reference signal measurement apparatus according to an embodiment of the present invention;
fig. 1A is a schematic diagram of measuring only sampling points in a cell signal transmission time period in a filtering period according to an embodiment of the present invention;
fig. 2 is another schematic structural diagram of a reference signal measuring apparatus according to an embodiment of the present invention;
fig. 3 is another schematic structural diagram of a reference signal measuring apparatus according to an embodiment of the present invention;
fig. 3A is a schematic diagram of discharging sampling points in a transmission-suspended time period according to measured CRS measurement intensity or quality according to an embodiment of the present invention;
fig. 4 is another schematic structural diagram of a reference signal measuring apparatus according to an embodiment of the present invention;
fig. 5 is another schematic structural diagram of a reference signal measuring apparatus according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an interference measurement apparatus according to an embodiment of the present invention;
FIG. 6A is a diagram illustrating the resource location of the prior art sending reference symbols according to an embodiment of the present invention;
fig. 6B is a schematic diagram illustrating a method for determining a resource location of a zero power reference symbol according to an embodiment of the present invention;
fig. 7 is another schematic structural diagram of an interference measurement apparatus according to an embodiment of the present invention;
fig. 8 is another schematic structural diagram of an interference measurement apparatus according to an embodiment of the present invention;
fig. 8A is a schematic diagram of interference measurement only in a transmission stop period of a serving cell according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a power control apparatus according to an embodiment of the present invention;
fig. 10 is another schematic structural diagram of a power control apparatus according to an embodiment of the present invention;
fig. 11 is a flowchart of a reference signal measurement method according to an embodiment of the present invention;
fig. 12 is a flowchart of an interference measurement method according to an embodiment of the present invention;
fig. 13 is another flowchart of an interference measurement method according to an embodiment of the present invention;
fig. 14 is another flowchart of an interference measurement method according to an embodiment of the present invention;
FIG. 15 is a flow chart of a power control method according to an embodiment of the present invention;
FIG. 16 is another flow chart of a power control method according to an embodiment of the present invention;
fig. 17 is a data processing apparatus implemented based on a computer system according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a reference signal measuring apparatus according to an embodiment of the present invention, the apparatus includes: a determination unit 11, a measurement unit 12 and a processing unit 13, wherein,
the determining unit 11 is configured to determine sampling points in a cell signal transmission time period in a filtering cycle;
the sampling points are one or more measurement points that can be sampled in a filtering period, and the sampling points in one filtering period may include sampling points when a cell signal is normally transmitted and may also include sampling points when the cell signal stops being transmitted. In this embodiment, in order to improve the accuracy of the measurement result, the sampling points in the cell signal transmission time period are determined first, and then only the sampling points in the cell signal transmission time period are measured.
The measuring unit 12 is configured to perform cell reference signal measurement on the sampling point to obtain a corresponding cell reference signal measurement result;
for example, the strength of the sampling point or the channel quality information is measured, and the specific measurement process is well known to those skilled in the art and will not be described herein.
The processing unit 13 is configured to perform filtering processing on the cell reference signal measurement result to obtain a cell reference signal measurement value.
And carrying out average filtering processing on the cell reference signal measurement result measured by each sampling point to obtain an average cell reference signal measurement value.
That is to say, in this embodiment, a cell signal transmission time period and a cell stop signal transmission time period are determined, then sampling points of the cell signal transmission time period in a filtering cycle are determined according to the determined time periods, then, sampling points in the stop signal transmission time period are not measured in the filtering cycle, only sampling points in the cell signal transmission time period are measured, and then, filtering processing is performed according to the measured values. Specifically, as shown in fig. 1A, fig. 1A is a schematic diagram of measuring only sampling points in a cell signal transmission time period in a filtering period according to an embodiment of the present invention, where fig. 1A includes the filtering period, the sampling points, the transmission stop time period, and the like.
In the embodiment of the invention, in the filtering period, only the sampling points in the cell signal transmitting time period are measured, so that the measurement of the sampling points in the cell signal transmitting time period is avoided, and the accuracy of the measured value is improved. Meanwhile, cell reference signal measurement is carried out on discontinuous cells.
Alternatively, in another embodiment, on the basis of the above embodiment, the determining unit 11 may include an obtaining unit 21 and a first determining unit 22, which are schematically shown in fig. 2, wherein,
the acquiring unit 21 is configured to acquire a cell signal transmission time period and a cell stop signal transmission time period;
wherein, the obtaining unit 21 further includes: a first receiving unit and a first time period determining unit; and/or a second receiving unit and a second period determining unit (not shown), wherein,
the first receiving unit is used for receiving the starting time or the stopping time of cell signal transmission sent by the network side equipment; the first time period determining unit is configured to determine the cell signal transmission time period according to a start time or a stop time of the cell signal transmission;
in this embodiment, the network side device notifies the UE of the start time or stop time of cell signal transmission when cell signal transmission starts or ends each time, and the UE determines the cell signal transmission time period and the stop time period according to the received start time or stop time of cell signal transmission.
The second receiving unit is configured to receive a time length for cell signal transmission or transmission stop sent by the network side device; the second time period determining unit is configured to determine the cell signal transmission time period according to the time length of the cell signal transmission or the transmission stop.
In this embodiment, the network side device notifies the UE of the time length of cell signal transmission or transmission stop at the beginning or end of each cell signal transmission, and the UE determines the cell signal transmission time period and the transmission stop time period according to the received time length of cell signal transmission or transmission stop.
The specific notification manner of the network side device may notify the UE through the licensed spectrum cell associated with the unlicensed frequency, or of course, may also be notified through other manners, which is not limited in this embodiment.
The first determining unit 22 is configured to determine sampling points of the cell signal transmission time period in the filtering cycle according to the cell signal transmission time period and the cell stop signal transmission time period.
Optionally, in another embodiment, on the basis of the foregoing embodiment, the apparatus may further include a third receiving unit, configured to receive the cell reference signal according to a set period within the cell stop signal transmission time period, where the set period is at least 2 subframes apart.
That is to say, in this embodiment, the signal transmission stopping period is generally for not interfering with the device using the spectrum resource by another UE, and although the signal transmission stopping period completely avoids interference, the UE in the cell cannot measure sampling, and if the sum duration is long, the measurement result is not available for a long time. In this embodiment, as an enhancement, in the cell signal transmission stop period, only the cell reference signal may be transmitted and the data transmission may be stopped. At present, a cell reference signal is sent in each subframe, but in this embodiment, in order to reduce interference, the cell reference signal is sent in a sparse period, for example, once every 5 subframes, so that UE also performs sampling according to a filtering period during measurement to generate a measurement result, which is similar to the above sampling process, and details are described above and are not repeated herein.
Alternatively, in another embodiment, on the basis of the above embodiment, the measuring unit 11 may include a first measuring unit 31 and a second determining unit 32, and a schematic structural diagram of the measuring unit is shown in fig. 3. Wherein,
the first measurement unit 31 is configured to measure, at the sampling point, strength of a cell reference signal or channel quality information;
the channel quality information measurement is to report to a network side device (such as an eNB) so as to assist the network side device in scheduling downlink data. In the channel quality information measurement, the first measurement unit 31 may sample one or more measurement points for measurement.
The second determining unit 32 is configured to use the strength or the channel quality information of the cell reference signal greater than a preset threshold as a corresponding cell reference signal measurement result.
Among the measurement results of the second measurement unit 31, some measurement results are greater than the preset threshold, and some measurement results are less than or equal to the preset threshold.
That is, in each filtering period, the cell reference signal measurement strength or quality of the sampling points in the transmission stop period is relatively low, and the second measurement unit 31 may discharge the sampling points according to the measured cell reference signal strength or channel quality information, and perform filtering processing on the measurement result of which the strength or channel quality information is higher than a certain threshold. As shown in particular in fig. 3A. In fig. 3A, the sampling points in the transmission stop period in the filtering period (in the figure, 3 sampling points are taken as an example, but not limited to) are the sampling points with relatively low cell reference signal measurement strength or channel quality information.
Optionally, in another embodiment, on the basis of the above embodiment, the apparatus may further include: a schematic structural diagram of the second sending unit 41 is shown in fig. 4, where fig. 4 is based on fig. 3, but is not limited thereto, and the second sending unit 41 is configured to report the cell reference signal measurement value obtained by the processing unit 13 to a network side device, so that the network side device determines a serving cell for the UE.
That is to say, in this embodiment, the cell reference signal measurement value is reported to a network side device (such as a base station) through a measurement report or a measurement event, so that the network side device (such as the base station) selects a suitable serving cell for the UE according to the cell reference signal measurement value.
Optionally, in another embodiment, on the basis of the above embodiment, the apparatus further includes: a determining unit 51, a schematic structural diagram of which is shown in fig. 5, wherein the determining unit 51 is configured to determine whether the number of sampling points in the cell signal transmission time period in the filtering period determined by the determining unit 11 (specifically, the first determining unit 22) is less than a preset number of sampling points;
the second sending unit 41 is further configured to report, to the network side device, indication information that the cell reference signal measurement value fails to meet the measurement accuracy requirement when the determining unit 51 determines that the number of sampling points in the cell signal transmission time period is smaller than a preset number of sampling points.
Referring to fig. 6, a schematic structural diagram of an interference measurement apparatus according to an embodiment of the present invention is shown, in which a network side device (e.g., a base station, etc.) may configure a UE to perform interference measurement, and the UE reports an interference measurement result, and the network side device may adjust transmission power or stop transmission and start transmission based on the reported interference value. The device comprises: a determining unit 61, a transmitting unit 62 and a receiving unit 63, wherein,
the determining unit 61 is configured to determine resource location information of a zero power reference symbol; the resource location information includes: a period value and a position of zero power transmission of a reference symbol within each of said periods. The determining unit is specifically configured to determine, as the resource location information of the zero-power reference symbol, the location information of at least two reference symbols in the 14 reference symbols of each subframe in at least one period, for example, the location information of the reference symbol in the 1 st, 3 rd, and 5 th symbols in each period is used as the resource location information of the zero-power reference symbol.
Specifically, as shown in fig. 6A and 6B, fig. 6A is a diagram illustrating a resource location for transmitting a reference symbol according to an embodiment of the present invention; fig. 6B is a schematic diagram of determining a resource location of a zero power reference symbol according to an embodiment of the present invention.
In fig. 6A, the time domain position and the frequency domain position where the current reference symbol appears are shown as reference positions. The base station transmits reference symbols at a certain power at corresponding reference symbol positions (such as R0 in the figure) where the UE makes cell reference signal measurements. In addition to the positions of these reference symbols, the remaining symbol positions are used for transmitting data.
The purpose of interference measurement is to detect signals generated by other transmitting nodes, and when a serving cell transmits data or reference symbols, since an interfering signal cannot be accurately measured because the interfering signal includes a signal from the serving cell, in order to eliminate the influence of the serving cell, a manner for determining resource positions provided by an embodiment of the present invention is to determine resource positions (such as R0 with a diagonal line in the drawing) for transmitting zero-power reference symbols from one or more resource positions of the existing resource positions for transmitting reference symbols, and notify the resource position information of the resource positions to the UE.
The sending unit 62 is configured to notify the resource location information of the zero power reference symbol to the UE, so that the UE performs interference measurement on a resource location of a network side corresponding to the resource location information.
And is specifically configured to notify the UE of a value of each period in the at least one period and a resource location of zero power transmission of the reference symbol in the each period. For example, the notification period is 10ms, and in each 10ms, the reference symbol at the reference symbol position in the 2 nd, 4 th, and 6 th symbols is transmitted with zero power; so that the UE can determine from this configuration that the network is not transmitting the serving cell reference signal at that location, and then perform interference measurements at those particular symbol locations.
The receiving unit 63 is configured to receive an interference measurement value reported by the UE, where the interference measurement value includes a signal power measured by the UE at the resource location.
In the embodiment of the invention, the network side equipment firstly determines the resource position information of the zero-power reference symbol, and then informs the resource position information to the UE, so that the UE can judge the position of the network side where the network side does not transmit the reference signal of the service cell according to the resource position information, and then carries out interference measurement on the specific symbol positions, thereby improving the accuracy of the interference measurement.
Referring to fig. 7, fig. 7 is another schematic structural diagram of an interference measurement apparatus according to an embodiment of the present invention, where the interference measurement apparatus includes: a receiving unit 71, a determining unit 72, a measuring unit 73 and a transmitting unit 74, wherein,
the receiving unit 71 is configured to receive resource location information of a zero power reference symbol sent by a network side device, where the resource location information of the zero power reference symbol indicates a resource location where a network side does not transmit a cell reference signal;
wherein the resource location information includes: a period value, and a resource location of zero power transmission of a reference symbol in each of the periods. For example, the reception period is 10ms, where in each 10ms, the resource location of the reference symbol zero power transmission in the 1 st, 3 rd and 5 th symbols is received.
The determining unit 72 is configured to determine, according to the resource location information, a resource location where the network side does not transmit the cell reference signal;
the determining unit 72 may determine, according to the resource location information, that the network side does not transmit the serving cell reference signal at that location, and then perform interference measurement at the reference symbol locations.
The measurement unit 73 is configured to perform interference measurement on the resource location to obtain an interference measurement value.
The specific measurement process is well known to those skilled in the art and will not be described herein.
The sending unit 74 is configured to report the interference measurement value to a network side device, where the interference measurement value includes a signal power measured by the UE at the resource location.
In the embodiment of the invention, the UE judges that the network side does not transmit the reference signal of the service cell at the position according to the received resource position information, and then the specific symbol positions carry out interference measurement, thereby improving the accuracy of the interference measurement.
Referring to fig. 8, fig. 8 is another schematic structural diagram of an interference measurement apparatus according to an embodiment of the present invention, where the interference measurement apparatus includes: a determination unit 81, a measurement unit 82 and a transmission unit 83, wherein,
the determining unit 81 is configured to determine sampling points in a time period when the cell signal stops transmitting in the filtering period;
in one embodiment, the determining unit 81 includes: an acquisition unit and a first determination unit (not shown in the figure), the acquisition unit being configured to acquire a cell signal transmission time period and a cell stop signal transmission time period; and the first determining subunit is used for determining sampling points of the cell signal emission stopping time periods in the filtering period according to the cell signal emission time periods and the cell signal emission stopping time periods.
Wherein the acquisition unit includes: a first receiving unit and a first time period determining unit; and/or a second receiving unit and a second time period determining unit, wherein the first receiving unit is configured to receive a start time or a stop time of cell signal transmission sent by the network side device; the first time period determining unit is configured to determine a time period for the cell signal to stop transmitting in a filtering cycle according to a start time or a stop time of the cell signal transmitting; the second receiving unit is configured to receive a time length for transmitting or stopping transmitting a cell signal sent by the network side device; and the second time period determining unit is used for determining the cell signal transmission stopping time period in the filtering period according to the time length of the cell signal transmission or the cell signal transmission stopping.
The specific process of determining the cell signal transmission stopping time period and the cell signal transmission time period is detailed in the implementation process corresponding to the above embodiment, and is not described herein again.
And the measuring unit 82 is configured to perform interference measurement on the sampling point to obtain an interference measurement value.
In another embodiment, the measurement unit 82 includes: a first measuring unit and a second determining unit (not shown in the figure), wherein the first measuring unit is used for measuring the strength or channel quality information of the cell reference signal of the cell at the sampling point;
the second determining unit is configured to use the strength or the channel quality information of the cell reference signal greater than a preset threshold as a corresponding cell reference signal measurement result.
The process of measuring the strength of the cell reference signal or the channel quality information of the cell and determining whether the strength is smaller than the preset threshold is similar to the above process, and specific details are given in the implementation process corresponding to the above embodiment, and are not described herein again.
The interference measurement process is well known to those skilled in the art and will not be described herein.
The sending unit 83 is configured to report the interference measurement value to a network side device, where the interference measurement value includes a signal power measured by the UE at the resource location.
Specifically, as shown in fig. 8A, fig. 8A is a schematic diagram of performing interference measurement only in a transmission stop period of a serving cell according to an embodiment of the present invention; in fig. 8A, the solid line curve is a serving cell signal curve, the dashed line curve is an interference signal curve, and the interference measurement apparatus performs interference measurement only at the sampling point in the transmission stop period of the serving cell. Specifically, how to determine the transmission stop time period may be the same as the above embodiments, such as receiving a network notification, or determining according to a serving cell reference signal measurement result, for example, as described in detail above.
Referring to fig. 9, fig. 9 is a schematic structural diagram of a power control apparatus according to an embodiment of the present invention, in this embodiment, an existing network side device carries a power offset reference coefficient (for example, PA/PB/PC) through an RRC message, so that a UE calculates a PDSCH power offset relative to a reference signal power according to the power offset reference coefficient, however, after an RRC signaling has no strict timing relationship, that is, after a network sends an adjustment command, the UE does not strictly specify which subframe uses a new power offset specifically, and the RRC message is generally slow, and is usually completed in about 100 ms. Therefore, this kind of adjustment method is not suitable for fast power offset adjustment, and only suitable for slow adjustment, but interference-based power adjustment needs to track the change of interference, and when the change of interference is fast, a fast adjustment method is needed, and the existing adjustment method based on RRC signaling is no longer suitable, so this embodiment introduces a fast power offset reference coefficient notification mechanism, and the power control apparatus includes: a configuration unit 91, a first sending unit 92, an adjustment unit 93 and a second sending unit 94, wherein,
the configuration unit 91 is configured to configure a first power offset reference coefficient for a user equipment UE, where the first power offset reference coefficient is used to instruct the UE to calculate channel quality information CQI;
the first sending unit 92 is configured to send the configured first power offset reference coefficient to the UE, so that the UE calculates CQI according to the first power offset reference coefficient;
the first sending unit 92 may send the first power offset reference coefficient configured by the configuring unit 91 for the UE to the UE through RRC signaling.
The adjusting unit 93 is configured to adjust a first power offset reference coefficient configured by the UE to obtain power adjustment offset parameter information, where the power adjustment offset parameter information is used to instruct the UE to adjust the power offset reference coefficient, and the adjusted power offset reference coefficient is used to calculate a CQI in a subsequent setting frame;
wherein the power adjustment bias parameter information may include: an updated second power offset reference coefficient or an updated power offset reference adjustment.
The second sending unit 94 is configured to send the adjusted power adjustment bias parameter information to the UE, so that the UE adjusts a power bias reference coefficient according to the power bias adjustment information, and calculates a CQI using the adjusted power bias reference coefficient in a subsequent setting frame.
If the power adjustment bias parameter information is the updated second power bias reference coefficient; the second sending unit 94 is specifically configured to send the updated second power offset reference coefficient to the UE through a Physical Downlink Control Channel (PDCCH) or a Medium Access Control Layer Control Element (MAC CE), so that the UE adjusts the first power offset reference coefficient to the second power offset reference coefficient, and calculates a CQI in a subsequent setting frame by using the second power offset reference coefficient.
Optionally, the second transmitting unit 94 may notify the updated second power offset reference coefficient through the PDCCH or the MAC CE in the nth subframe, but is not limited thereto, and may also be implemented through other manners, which is not limited in this embodiment.
If the power offset parameter information is an updated power offset reference adjustment amount, the second sending unit 94 is specifically configured to send the updated power offset reference adjustment amount to the UE through a physical downlink control channel PDCCH or MAC CE, so that the UE calculates a third power offset reference coefficient according to the power offset reference adjustment amount, and adjusts the first power offset reference coefficient to the third power offset reference coefficient; and calculating the CQI by using the third power offset reference coefficient in the subsequent setting frame.
Optionally, in this manner, the second transmitting unit 94 may notify the updated power offset reference coefficient adjustment amount through the PDCCH or the MAC CE in the nth subframe. Further, a common Radio Network Temporary Identity (RNTI) may be optionally used to transmit the PDCCH or the MAC CE, so that all UEs in the cell that hear the RNTI can receive the update command.
Optionally, in another embodiment, on the basis of the above embodiment, the apparatus may further include: and a receiving unit, configured to receive indication information sent by the UE and used for calculating a CQI by using the adjusted power offset reference coefficient.
The receiving unit may receive, through the MAC CE or the CQI, information using the second power offset reference coefficient or the third power offset reference coefficient transmitted by the UE.
In the embodiment of the invention, the network side equipment quickly sends the obtained power adjustment bias parameter information to the UE so that the UE can conveniently adjust the power bias reference coefficient according to the power bias adjustment information, and the CQI is calculated by using the adjusted power bias reference coefficient in the subsequent setting frame so as to adapt to quick power bias adjustment.
Referring to fig. 10, fig. 10 is a schematic structural diagram of a power control apparatus according to an embodiment of the present invention, in which the power control apparatus includes: a first receiving unit 101, a first calculating unit 102, a second receiving unit 103, an adjusting unit 104 and a second calculating unit 105, wherein,
the first receiving unit 101 is configured to receive a first power offset reference coefficient sent by a network side device;
the first power offset reference coefficient sent by the network side device may be received through Radio Resource Control (RRC) signaling, but is not limited thereto.
The first calculating unit 102 is configured to calculate channel quality information CQI according to the first power offset reference coefficient, where N is a positive integer greater than zero;
the process of the technique CQI is well known to those skilled in the art and will not be described herein.
The second receiving unit 103 is configured to receive power adjustment bias parameter information sent by the network side device; the power adjustment bias parameter information is received in an Nth subframe, and M is a positive integer larger than zero;
the adjusting unit 104 is configured to adjust a power offset reference coefficient according to the power adjustment offset parameter information;
the power adjustment offset parameter information may be received through a PDCCH or a MAC CE, or may be received through another method. Wherein the power adjustment bias parameter information may include: the adjusted second power bias reference coefficient; or an updated power offset reference adjustment. Of course, it is not limited thereto, and the application may include other parameters.
The second calculating unit 105 is configured to calculate a CQI using the adjusted power offset reference coefficient in a setting frame subsequent to the N + M subframes.
After receiving the power adjustment bias parameter information, the second receiving unit 103 performs bias reference coefficient adjustment, and starts to calculate CQI using a new power bias reference coefficient in an N + M subframe, where N and M are integers greater than or equal to zero, N and M frames are adjacent frames, and M frame is a frame after N frame.
Optionally, in an embodiment, the power adjustment bias parameter information received by the second receiving unit includes: a second power offset reference coefficient; the adjusting unit is specifically configured to adjust the first power offset reference frame to be a second power offset reference coefficient.
Optionally, in an embodiment, the power adjustment bias parameter information received by the second receiving unit includes: a power offset reference adjustment; the adjusting unit includes: a third calculation unit and an offset coefficient adjustment unit, wherein,
the third calculating unit is configured to calculate a third power offset reference coefficient according to the power offset reference adjustment amount;
the bias coefficient adjusting unit is configured to adjust the first power bias reference system to a third power bias reference coefficient.
The setting frame comprises D subframes, wherein the setting frame starts after M subframes of the subframe receiving the power adjustment bias parameter information, D is a positive integer larger than zero, and M is a positive integer larger than or equal to zero; or the setting frame is D subframes beginning after M subframes of the subframe receiving the power adjustment bias parameter information.
That is, the setting frame starts after M subframes of the subframe where the power adjustment bias parameter information is received, where M is a positive integer greater than or equal to zero, or the setting frame ends D subframes after the setting frame starts, and after the setting frame ends, the CQI calculation using the first power bias reference coefficient is resumed, where D is a positive integer greater than zero.
And using the UE second power offset reference coefficient in the following M subframes, and recovering to use the first power offset reference coefficient to calculate the CQI in the following subframe of N + M + D. N, M and D are integers greater than or equal to zero, N, M and D frames are adjacent frames in sequence, M is a frame after N, D is a frame after M, namely the UE uses the second rate offset reference coefficient from the N + M sub-frames, and the CQI is calculated by using the first power offset reference coefficient after continuously using the D sub-frames.
Optionally, in another embodiment, on the basis of the foregoing embodiment, the first receiving unit is specifically configured to receive, in a current subframe, a first power offset reference coefficient sent by the network side device through radio resource control RRC signaling;
the second receiving unit is specifically configured to receive the power adjustment offset parameter information sent by the network side device through a physical downlink control channel PDCCH or a media access control layer control unit MAC CE.
Optionally, in another embodiment, on the basis of the foregoing embodiment, the subframe of the setting frame includes D subframes, where D is a positive integer greater than zero; the apparatus may further include: a fourth calculating unit, configured to resume calculating the CQI using the first power offset reference coefficient in a subsequent subframe of the N + M + D subframes.
Optionally, in another embodiment, on the basis of the above embodiment, the apparatus may further include: and the sending unit is also used for sending indication information for calculating the CQI by using the adjusted power offset reference coefficient to the network side equipment after the adjustment of the adjusting unit.
That is, after the adjustment unit and the reverse power offset reference coefficient are adjusted, the indication information using the second power offset reference coefficient is transmitted to the network side device through the MAC CE or the CQI.
Optionally, the network side device in the embodiment of the present invention may be an eNB, or may also be a network element such as a BSC, an RNC, an eNode B, or a Node B.
In the embodiment of the invention, when power adjustment bias information sent by network side equipment is received, the power bias reference coefficient is adjusted according to the power bias adjustment information, the CQI is calculated by using the adjusted power bias reference coefficient in a subsequent setting frame, and further, the CQI can be calculated by using the first power bias reference coefficient in the subsequent frame again. To accommodate fast power bias adjustments.
An embodiment of the present invention further provides a network device, where the network device includes: the device comprises a processor and a transceiver, wherein the transceiver is used for determining sampling points in a cell signal transmission time period in a filtering period; the processor is used for measuring the cell reference signals of the sampling points to obtain corresponding cell reference signal measurement results; and filtering the cell reference signal measurement result to obtain a cell reference signal measurement value.
Optionally, the transceiver is further configured to acquire a cell signal transmission time period and a cell stop signal transmission time period;
the processor is further configured to determine a sampling point of the cell signal transmission time period in the filtering period according to the cell signal transmission time period and the cell stop signal transmission time period.
Optionally, the transceiver is further configured to receive a start time or a stop time of cell signal transmission sent by the network side device;
the processor is further configured to determine the cell signal transmission time period according to a start time or a stop time of the cell signal transmission; or
The transceiver is further configured to receive a time length for cell signal transmission or transmission stop sent by the network side device; the processor is further configured to determine the cell signal transmission time period according to the time length of the cell signal transmission or the transmission stop.
Optionally, the transceiver is further configured to receive a cell reference signal according to a set period within the cell stop signal transmission time period, where the set period is at least 2 subframes apart.
Optionally, the processor is further configured to measure, at the sampling point, strength of a cell reference signal of a cell or channel quality information; and taking the intensity or the channel quality information of the cell reference signal larger than a preset threshold value as a corresponding cell reference signal measurement result.
Optionally, the transceiver is further configured to report the cell reference signal measurement value to a network side device, so that the network side device determines a serving cell for the UE.
Optionally, the processor is further configured to determine whether the number of sampling points in the cell signal transmission time period in the filtering period is less than a preset number of sampling points;
the transceiver is further configured to report, to the network side device, indication information that the cell reference signal measurement value fails to meet the measurement accuracy requirement when the processor determines that the number of sampling points in the cell signal transmission time period in the filtering period is smaller than a preset number of sampling points.
An embodiment of the present invention provides a network device, including: a processor and a transceiver, wherein,
the processor is configured to determine resource location information for a zero power reference symbol;
the transceiver is configured to notify resource location information of the zero power reference symbol to the UE, so that the UE performs interference measurement on a resource location corresponding to the resource location information;
the transceiver is further configured to receive an interference measurement value reported by the UE, where the interference measurement value includes a signal power measured by the UE at the resource location.
Optionally, the processor is further configured to determine, as resource location information of a zero-power reference symbol, location information of at least two reference symbols of the fourteen reference symbols of each subframe in at least one period.
Optionally, the transceiver is further configured to notify the UE of each period value in the at least one period and a resource location of zero power transmission of the reference symbol in each period. Wherein the resource location information includes: a period value and a resource location of zero power transmission of a reference symbol in each of the periods.
An embodiment of the present invention further provides a terminal, including: a transceiver and a processor, wherein,
the transceiver is used for receiving resource position information of a zero power reference symbol sent by network side equipment;
the processor is further configured to determine, according to the resource location information, a resource location where the network side does not transmit the cell reference signal; performing interference measurement on the resource position to obtain an interference measurement value;
the transceiver is further configured to report the interference measurement value to a network side device, where the interference measurement value includes a signal power measured by the UE at the resource location.
Wherein the resource location information includes: a period value, and a resource location of zero power transmission of a reference symbol in each of the periods.
An embodiment of the present invention further provides a terminal, including: a transceiver and a processor, wherein,
the transceiver is used for determining sampling points in a time period when the cell signals stop transmitting in the filtering period;
the processor is used for carrying out interference measurement on the sampling points to obtain an interference measurement value;
the transceiver is further configured to report the interference measurement value to a network side device, where the interference measurement value includes a signal power measured by the UE at the resource location.
Optionally, the transceiver is further configured to acquire a cell signal transmission time period and a cell stop signal transmission time period;
the processor is further configured to determine a sampling point of the cell signal transmission stop time period in the filtering period according to the cell signal transmission time period and the cell signal transmission stop time period.
Optionally, the transceiver is further configured to receive a start time or a stop time of cell signal transmission sent by the network side device;
the processor is further configured to determine a transmission stop time period of the cell signal according to a start time or a stop time of the cell signal transmission; or
The transceiver is further configured to receive a time length for cell signal transmission or transmission stop sent by the network side device;
the processor is further configured to determine a transmission stop time period of the cell signal according to the length of the transmission stop time period of the cell signal.
Optionally, the processor is further configured to measure, at the sampling point, strength or CQI quality of a cell reference signal of a cell; and the intensity or channel quality information of the cell reference signal larger than a preset threshold value is used as a corresponding cell reference signal measurement result.
An embodiment of the present invention further provides a network device, including: a processor and a transceiver, wherein,
the processor is further configured to configure a first power offset reference coefficient for a User Equipment (UE);
the transceiver is further configured to send the configured first power offset reference coefficient to the UE, so that the UE calculates CQI according to the first power offset reference coefficient; adjusting a first power offset reference coefficient configured by the UE to obtain power adjustment offset parameter information;
the transceiver is further configured to send the adjusted power adjustment bias parameter information to the UE, so that the UE adjusts a power bias reference coefficient according to the power bias adjustment information, and calculates a CQI using the adjusted power bias reference coefficient in a subsequent setting frame.
Optionally, the transceiver is further configured to send the updated second power offset reference coefficient to the UE, so that the UE adjusts the first power offset reference coefficient to the second power offset reference coefficient, and calculates a CQI using the second power offset reference coefficient in a subsequent setting frame; or
Sending the updated power offset reference adjustment amount to the UE, so that the UE can calculate a third power offset reference coefficient according to the power offset reference adjustment amount and adjust the first power offset reference system to the third power offset reference coefficient; and calculating the CQI by using the third power offset reference coefficient in the subsequent setting frame.
Optionally, the transceiver is further configured to receive indication information sent by the UE and used for calculating a CQI by using the adjusted power offset reference coefficient.
An embodiment of the present invention further provides a terminal, including: a transceiver and a processor, wherein,
the transceiver is used for receiving a first power offset reference coefficient sent by the network side equipment in the current subframe;
a processor configured to calculate a CQI using the first power offset reference coefficient in N subframes after the current subframe, where N is a positive integer greater than zero;
the transceiver is further configured to receive power adjustment bias parameter information sent by the network side device in an mth subframe after the N subframes;
the processor is further configured to adjust a power offset reference coefficient according to the power adjustment offset parameter information in the mth subframe; and calculating the CQI by using the adjusted power offset reference coefficient in the subsequent setting frame.
Optionally, the power adjustment bias parameter information received by the transceiver includes: the adjusted second power bias reference coefficient;
the processor is further configured to adjust the first power bias reference frame to a second power bias reference coefficient.
Optionally, the power adjustment bias parameter information received by the transceiver includes: an updated power offset reference adjustment.
The processor is further configured to calculate a third power offset reference coefficient according to the power offset reference adjustment amount; adjusting the first power bias reference frame to a third power bias reference coefficient; and calculating the CQI by using the third power offset reference coefficient in the subsequent setting frame.
The setting frame starts after M subframes of the subframe receiving the power adjustment bias parameter information, where M is a positive integer greater than or equal to zero, or ends D subframes after the setting frame starts, and resumes to use the first power bias reference coefficient to calculate the CQI after the setting frame ends, where D is a positive integer greater than zero.
Optionally, the transceiver is further configured to receive, at the current subframe, a first power offset reference coefficient sent by the network side device through an RRC signaling, and/or receive, at an mth subframe after the N subframes, the power adjustment offset parameter information sent by the network side device through a PDCCH or an MAC CE.
Optionally, the processor is further configured to resume calculating the CQI using the first power offset reference coefficient in a subsequent frame of the setting frame.
Optionally, the transceiver is further configured to calculate a CQI using the first power offset reference coefficient in a subsequent subframe of the set frame.
Optionally, the transceiver is further configured to send, after the adjustment, indication information for calculating a CQI by using the adjusted power offset reference coefficient to a network side device.
Based on the implementation process of the above apparatus, an embodiment of the present invention further provides a reference signal measurement method, a flowchart of which is shown in fig. 11, where the method includes:
step 111: determining sampling points in a cell signal transmission time period in a filtering period;
wherein determining the sampling points in the cell signal transmission time period in the filtering period comprises: acquiring a cell signal transmission time period and a cell stop signal transmission time period; and determining sampling points of the cell signal transmission time periods in the filtering period according to the cell signal transmission time periods and the cell stop signal transmission time periods.
The acquiring of the cell signal transmission time period and the cell stop signal transmission time period includes: receiving the starting time or the stopping time of cell signal transmission sent by network side equipment, and determining the cell signal transmission time period according to the starting time or the stopping time of the cell signal transmission; or receiving the time length of cell signal transmission or transmission stop sent by the network side equipment, and determining the cell signal transmission time period according to the time length of the cell signal transmission or transmission stop.
Step 112: carrying out cell reference signal measurement on the sampling points to obtain corresponding cell reference signal measurement results;
a method for performing cell reference signal measurement on the sampling point to obtain a corresponding cell reference signal measurement result includes: measuring the intensity or channel quality information of the cell reference signal of the cell at the sampling point; and taking the intensity or the channel quality information of the cell reference signal larger than a preset threshold value as a corresponding cell reference signal measurement result.
Step 113: and filtering the cell reference signal measurement result to obtain a cell reference signal measurement value.
Optionally, the method may further include: and receiving the cell reference signal according to a set period in the cell stop signal transmission time period, wherein the set period is at least 2 subframes apart.
Optionally, the method may further include: and reporting the cell reference signal measurement value to network side equipment so that the network side equipment can determine a serving cell for the UE.
Optionally, the method may further include: judging whether the number of sampling points in the signal transmission time period of the cell in the filtering period is less than the number of preset sampling points or not;
and if the number of the sampling points in the cell signal transmission time period in the filtering period is judged to be less than the preset number of the sampling points, reporting the indication information that the cell reference signal measurement value fails to meet the measurement precision requirement to the network side equipment.
The implementation process of each step in the method is detailed in the functions and functions of the corresponding functional modules of the method and the device, and is not described in detail herein.
Referring to fig. 12, a flowchart of an interference measurement method according to an embodiment of the present invention is provided, where the method includes:
step 121: determining resource location information of a zero power reference symbol;
wherein the determining resource location information of the zero power reference symbol comprises: position information of at least two reference symbols of the fourteen reference symbols of each subframe within at least one period is determined as resource position information of a zero power reference symbol, but is not limited thereto.
Wherein the resource location information includes: a period value and a resource location of zero power transmission of a reference symbol in each of the periods.
Step 122: and notifying the resource position information of the zero power reference symbol to the UE so that the UE can conveniently perform interference measurement on a resource position corresponding to the resource position information.
The method specifically comprises the following steps: notifying the UE of each period value in the at least one period and a resource location of zero power transmission of the reference symbol in each period.
Step 123: receiving an interference measurement value reported by the UE, wherein the interference measurement value comprises the signal power measured by the UE at the resource position
Referring to fig. 13, another flowchart of an interference measurement method according to an embodiment of the present invention is provided, where the method includes:
step 131: receiving resource position information of a zero power reference symbol sent by network side equipment, wherein the resource position information of the zero power reference symbol indicates a resource position at which a network side does not transmit a cell reference signal;
wherein the resource location information includes: a period value, and a resource location of zero power transmission of a reference symbol in each of the periods.
Step 132: determining the resource position of the network side not transmitting the cell reference signal according to the resource position information;
step 133: performing interference measurement on the resource position to obtain an interference measurement value;
step 134: and reporting the interference measurement value to network side equipment, wherein the interference measurement value comprises the signal power measured by the UE at the resource position.
Referring to fig. 14, another flowchart of an interference measurement method according to an embodiment of the present invention is provided, where the method includes:
step 141: determining sampling points in a time period when the cell signals stop transmitting in the filtering period;
a method for determining sampling points in a period of time during which a cell signal ceases to be transmitted during a filtering period, comprising: acquiring a cell signal transmission time period and a cell stop signal transmission time period; and determining a sampling point of the cell signal emission stopping time period in the filtering period according to the cell signal emission time period and the cell signal emission stopping time period.
Wherein, the acquiring of the cell signal transmission time period and the cell stop signal transmission time period includes: receiving the starting time or the stopping time of cell signal transmission sent by network side equipment, and determining the cell signal transmission stopping time period according to the starting time or the stopping time of the cell signal transmission; or receiving the time length of cell signal transmission or transmission stop sent by the network side equipment, and determining the cell signal transmission stop time period according to the time length of the cell signal transmission or transmission stop.
Step 142: performing interference measurement on the sampling point to obtain an interference measurement value;
an interference measurement is performed on the sampling point, and obtaining an interference measurement value comprises: measuring the intensity or channel quality information of the cell reference signal of the cell at the sampling point; and taking the intensity or the channel quality information of the cell reference signal larger than a preset threshold value as a corresponding cell reference signal measurement result.
Step 143: and reporting the interference measurement value to network side equipment, wherein the interference measurement value comprises the signal power measured by the UE at the resource position.
In addition, after the UE performs channel measurement or interference measurement, the unlicensed carrier may be configured as a secondary carrier to the UE, even after the unlicensed carrier is configured as the secondary carrier; the secondary carrier may still be subject to interference from other systems, which may be from LTE cells of adjacent frequencies, bluetooth or WIFI (wireless fidelity) systems of adjacent frequencies, or other systems of the same frequency. It is possible that these interfering nodes are relatively far from the base station and the base station does not detect these interferences. At this time, the UE needs to report information of the interfered frequency points to the network, so that the network can process the frequency points. Such as reconfiguring the UE secondary carriers from these frequency points to other frequency points. In order to inform the network of the type of interference, the UE needs to indicate to the network that the interference is caused by the interference of the same frequency but the interference of the adjacent frequency. The interference with the same frequency means that the frequency of an interference source is partially or completely overlapped with the frequency of an interfered frequency point. The interference of the adjacent frequency refers to that the frequency of the interference source is close to the distance of the interfered frequency point. The base station adopts different processing modes according to different interference types, for example, if the reported frequency point F1 is interfered by the same frequency, the base station stops scheduling the UE on F1, or if the reported frequency point F1 is interfered by an adjacent frequency, the base station configures DRX (di connected discontinuous reception) for the UE, so that the UE only communicates with the base station for a part of time, and communicates with the device where the interference source is located for the rest of time.
Referring to fig. 15, a flowchart of a power control method according to an embodiment of the present invention is provided, where the method includes:
step 151: configuring a first power offset reference coefficient for User Equipment (UE), wherein the first power offset reference coefficient is used for indicating the UE to calculate Channel Quality Information (CQI);
step 152: transmitting the configured first power offset reference coefficient to the UE;
step 153: adjusting a first power offset reference coefficient configured by the UE to obtain power adjustment offset parameter information, wherein the power adjustment offset parameter information is used for indicating the UE to adjust the power offset reference coefficient, and the adjusted power offset reference coefficient is used for calculating CQI in a subsequent setting frame;
step 154: and sending the adjusted power adjustment bias parameter information to the UE.
In this embodiment, when receiving the power adjustment bias parameter information, the UE adjusts the power bias reference coefficient according to the power bias adjustment information, and calculates the CQI using the adjusted power bias reference coefficient in a subsequent setting frame.
The method specifically comprises the following steps:
sending the updated second power offset reference coefficient to the UE so that the UE can adjust the first power offset reference coefficient to the second power offset reference coefficient and calculate CQI by using the second power offset reference coefficient in a subsequent setting frame; or
Sending the updated power offset reference adjustment amount to the UE, so that the UE can calculate a third power offset reference coefficient according to the power offset reference adjustment amount and adjust the first power offset reference system to the third power offset reference coefficient; and calculating the CQI by using the third power offset reference coefficient in the subsequent setting frame.
Optionally, in another embodiment, on the basis of the above embodiment, the method may further include: and receiving indication information which is sent by the UE and used for calculating the CQI by using the adjusted power offset reference coefficient.
Optionally, in another embodiment, on the basis of the foregoing embodiment, the sending the configured first power offset reference coefficient to the UE includes: sending a first power offset reference coefficient to the UE through Radio Resource Control (RRC) signaling;
sending the power adjustment bias parameter information to the UE, including: and the power adjustment bias parameter information is sent to the UE through a physical downlink control channel PDCCH or a media access control layer control unit MAC CE.
Referring to fig. 16, another flow chart of a power control method according to an embodiment of the present invention is provided, the method including:
step 161: receiving a first power offset reference coefficient sent by network side equipment;
and receiving a first power offset reference coefficient sent by the network side equipment through Radio Resource Control (RRC) signaling in the current subframe.
Step 162: calculating Channel Quality Information (CQI) according to the first power offset reference coefficient, wherein N is a positive integer greater than zero;
step 163: receiving power adjustment bias parameter information sent by the network side equipment, wherein the power adjustment bias parameter information is received in an Nth subframe, and N is a positive integer greater than zero;
wherein the power adjustment bias parameter information comprises: the adjusted second power bias reference coefficient; or an updated power offset reference adjustment.
The power adjustment bias parameter information sent by the network side device may be received through a PDCCH or a MAC CE.
Step 164: adjusting a power offset reference coefficient according to the power adjustment offset parameter information;
in this step, one mode is that if the power adjustment bias parameter information includes: and if the second power offset reference coefficient is the second power offset reference coefficient, adjusting the power offset reference coefficient according to the power adjustment offset parameter information includes: taking the second power bias reference coefficient as an adjusted power bias reference coefficient;
alternatively, if the power adjustment bias parameter information includes: a power offset reference adjustment; the adjusting the power offset reference coefficient according to the power adjustment offset parameter information includes: and calculating a third power bias reference coefficient according to the power bias reference adjustment amount, and taking the third power bias reference coefficient as the adjusted power bias reference coefficient.
Step 165: and calculating the CQI by using the adjusted power offset reference coefficient in a setting frame subsequent to the N + M subframes, wherein M is a positive integer larger than zero.
Based on the above steps, there are two ways to calculate CQI in the following setting frame by using the second power offset reference coefficient; alternatively, the CQI is calculated using the third power offset reference coefficient in a subsequent set frame.
The setting frame starts after M subframes of the subframe receiving the power adjustment bias parameter information, where M is a positive integer greater than or equal to zero, or ends D subframes after the setting frame starts, and resumes to use the first power bias reference coefficient to calculate the CQI after the setting frame ends, where D is a positive integer greater than zero.
Optionally, in another embodiment, on the basis of the foregoing embodiment, the subframe of the setting frame includes D subframes, where D is a positive integer greater than zero; the method may further comprise: resuming the calculation of CQI using the first power offset reference coefficient in subsequent frames of the N + M + D subframes.
Optionally, in another embodiment, on the basis of the above embodiment, the method may further include: and after the adjustment, sending indication information for calculating the CQI by using the adjusted power offset reference coefficient to the network side equipment.
Optionally, in another embodiment, on the basis of the above embodiment, the method may further include: calculating a CQI using a first power offset reference coefficient in a subsequent subframe of the set frame.
In the existing LTE system, a UE receives a timing adjustment command from a base station to adjust an uplink transmission timing advance of the UE, and the UE determines an uplink transmission timing according to downlink timing information and the uplink transmission timing advance. According to the difference of the uplink sending time Advance, different service cells are divided into different Timing Advance Groups (TAGs), and the service cells in the same TAG have the same Timing Advance. For example, the Primary timing advance group (pTAG, Primary TAG) indicates the TAG group in which the Primary cell is located, and the Secondary timing advance group (sTAG) indicates the TAG group in which the Secondary cell is located. In the dual connectivity scenario, the serving Cell of the UE is further divided into two groups, namely, a Master Cell Group (MCG) and a Secondary Cell Group (SCG). The MCG includes a primary serving cell and a secondary serving cell under the same base station as the primary serving cell. The SCG includes a serving cell that is not under the same base station as the primary cell. The SCG includes a Primary Secondary Cell (PSCell), which is a Cell having uplink transmission capability in the SCG. In a dual connectivity scenario, the pTAG indicates pTAG of a Master cell included in a Master Cell Group (MCG); the sTAG can be the sTAG of MCG, and also can be the sTAG of SCG; wherein the TAG containing the PSCell is psTAG.
If the uplink transmission timing difference of the cells of different TAGs of the UE exceeds the threshold (for example, 32.74us), the uplink transmission processing capability of the UE may be exceeded, and even a scenario may be formed in which the base station cannot decode the uplink data of the UE. In order to solve the above problem, an embodiment of the present invention provides a solution to solve the problem of processing uplink transmission when the uplink transmission timing difference of the UE exceeds the processing capability of the UE, and based on a terminal side, an implementation process of the method includes:
1) the UE receives serving cell configuration information, the configuration information including at least two serving cells, and the at least two serving cells belonging to at least two different TAGs.
The service configuration information configures a plurality of serving cells for the UE, so that the UE can simultaneously receive and transmit services from the plurality of cells. The configuration information may include two or more serving cell messages. And contains TAG information to which the serving cell belongs. The TAG to which the serving cell belongs at least comprises a PTAG and a STAG.
2) And the UE receives the uplink timing adjustment command and adjusts the uplink sending timing according to the uplink timing adjustment command.
The UE receives an uplink timing adjustment command, the uplink timing adjustment command comprises a TAG mark corresponding to the uplink timing adjustment command, the UE adjusts the uplink timing advance corresponding to the TAG according to the TAG mark, and determines the uplink sending timing of a service cell in the TAG according to the uplink timing advance. The uplink timing adjustment command may be received by a random access response or an uplink timing adjustment media access control layer control unit.
Optionally, the UE starts or restarts the uplink timing adjustment timer when receiving the uplink timing adjustment command.
3) And the UE determines an uplink data transmission starting boundary according to the uplink transmission timing.
And the UE determines an uplink data transmission starting boundary according to the uplink transmission timing.
Optionally, this step further includes: and the UE determines the sending of uplink data according to uplink authorization and uplink sending timing deviation between a first TAG of a cell to which the uplink authorization belongs and other TAGs configured by the UE. Specifically, when the UE receives an uplink grant from the base station, and the uplink grant is directed to a first serving cell of the UE, where the first serving cell belongs to a first TAG, and if an uplink transmission timing offset between the first TAG and a second TAG is smaller than or equal to a first threshold, the UE submits the uplink grant to a HARQ (Hybrid Automatic Repeat request) entity, so that the HARQ entity performs uplink data encapsulation and transmission according to the grant. Or, when the UE receives an uplink grant of a base station, and if an uplink transmission timing offset between the first TAG and the second TAG is greater than or equal to the first threshold, the UE discards the uplink grant. The first threshold may be a predetermined value, such as 32us, or the maximum timing offset that the UE can handle. The first TAG and the second TAG are TAGs to which different serving cells of the UE belong, and the second TAG meets at least one of the following conditions:
at least one cell in the second TAG has determined to transmit data;
the HARQ cache of at least one cell in the second TAG stores data;
the uplink grant of at least one cell in the second TAG is submitted to the HARQ entity;
or at least one cell in the second TAG receives an uplink authorization;
or at least one cell cache in the second TAG stores data.
Optionally, this step further includes: when the uplink sending timing deviation between a first TAG and a second TAG contained in at least two TAGs configured by the UE is larger than or equal to a first threshold, the UE sets an uplink timing adjustment timer corresponding to at least one TAG in the two TAGs to be overtime. And the UE clears the HARQ buffer of the serving cell contained in the TAG corresponding to the uplink timing adjustment timer according to the overtime of the uplink timing adjustment timer, and releases Sounding Reference Signal (SRS) resources. The first threshold may be a predetermined value, such as 32us, or the maximum timing offset that the UE can handle.
Optionally, this step further includes: when an uplink transmission timing deviation between a first TAG and a second TAG included in at least two TAGs configured by the UE is greater than or equal to a first threshold, the UE sends indication information to the base station to indicate that the uplink transmission timing deviation between the first TAG and the second TAG of the base station is greater than or equal to the first threshold, where the indication information may include at least one of the following information:
a flag that an uplink transmission time difference between the first TAG and the second TAG exceeds the threshold value;
a designation of at least one of the first TAG and the second TAG;
an indication of at least one serving cell contained in the first TAG and the second TAG;
and sending timing deviation information between the first TAG and the second TAG in an uplink.
The UE may send the indication to the base station via a radio resource management message, or a medium access layer control element, or a physical layer command, or a predefined logical channel indication. The first TAG or the second TAG may be pTAG, and may also be setag. The UE comprises a processing device, and the processing device is used for sending indication information to the base station when uplink sending timing deviation between a first TAG and a second TAG contained in at least two TAGs configured by the UE is larger than or equal to a first threshold.
Optionally, this step further includes: when the uplink sending timing deviation between a first TAG and a second TAG contained in at least two TAGs configured by the UE is larger than or equal to a first threshold, starting a first timer, and when the first timer is overtime, the UE sends indication information to the base station to indicate that the uplink sending timing deviation between the first TAG and the second TAG of the base station is larger than or equal to the first threshold. The first timer time length may be a predefined time length or a length of receiving a base station configuration. The UE comprises a processing device, wherein the processing device is used for starting a first timer when uplink sending timing deviation between a first TAG and a second TAG contained in at least two TAGs configured by the UE is larger than or equal to a first threshold, and when the first timer is overtime, the UE sends indication information to the base station.
Optionally, this step further includes: and stopping the uplink data transmission of the UE in the auxiliary cell after the uplink transmission timing deviation between a first TAG and a second TAG contained in at least two TAGs configured by the UE is greater than or equal to a first threshold, wherein at least one of the first TAG and the second TAG is a sTAG. Or if the first TAG and the second TAG are both STAG, stopping sending the auxiliary cells contained in the TAG with poor channel quality, or stopping sending the service cells contained in the TAG with larger uplink fixed-pattern deviation except the first TAG and the second TAG.
Based on the implementation process of the terminal method, an embodiment of the present invention further provides a UE, where the UE includes:
receiving means for receiving the serving cell configuration information.
The receiving device is further configured to receive the uplink timing adjustment command. The UE comprises a timing device, and the fixed device is used for starting or restarting an uplink timing adjustment timer when the UE receives an uplink timing adjustment command.
And the sending device is used for sending the uplink timing adjustment command.
Optionally, the UE further includes a processing device, configured to determine sending of uplink data according to an uplink grant and an uplink sending timing offset between a first TAG in which a cell to which the uplink grant belongs and another TAG configured by the UE.
Optionally, the UE is further configured to set an uplink timing adjustment timer corresponding to at least one of the two TAGs to timeout when an uplink transmission timing offset between a first TAG and a second TAG included in the at least two configured TAGs is greater than or equal to a first threshold.
Optionally, the processing apparatus is further configured to stop uplink data transmission of the UE in the secondary cell after an uplink transmission timing offset between a first TAG and a second TAG included in at least two TAGs configured by the UE is greater than or equal to a first threshold.
On the other hand, based on the network side, the implementation process of the method includes:
1) and the base station configures service cell information to the UE, wherein the configuration information at least comprises two service cells, and the at least two service cells at least belong to two different TAGs.
The service configuration information configures a plurality of serving cells for the UE, so that the UE can simultaneously receive and transmit services from the plurality of cells. The configuration information may include two or more serving cell messages. And contains TAG information to which the serving cell belongs. The TAG to which the serving cell belongs at least comprises a PTAG and a STAG.
2) And sending an uplink timing adjustment command to the UE so that the UE adjusts uplink sending timing according to the uplink timing adjustment command.
And sending an uplink timing adjustment command to the UE, wherein the uplink timing adjustment command comprises a TAG mark corresponding to the uplink timing adjustment command, so that the UE adjusts the uplink timing advance corresponding to the TAG according to the TAG mark and determines the uplink sending timing of a service cell in the TAG according to the uplink timing advance. The uplink timing adjustment command may be sent to the UE through a random access response or an uplink timing adjustment media access control layer control unit.
3) And receiving indication information that the uplink sending timing deviation reported by the UE exceeds a first threshold.
Optionally, this step further includes: receiving indication information that the uplink deterministic deviation reported by the UE exceeds a first threshold, where the indication information may include at least one of the following information:
a flag that an uplink transmission time difference between the first TAG and the second TAG exceeds the threshold value;
a designation of at least one of the first TAG and the second TAG;
an indication of at least one serving cell contained in the first TAG and the second TAG;
and sending timing deviation information between the first TAG and the second TAG in an uplink.
The UE may send the indication to the base station via a radio resource management message, or a medium access layer control element, or a physical layer command, or a predefined logical channel indication. The first TAG or the second TAG may be pTAG, and may also be setag.
And the base station judges to stop the auxiliary carrier data transmission according to the indication information that the timing deviation exceeds a first threshold. The stopping of the data transmission of the secondary carrier includes deactivating the secondary carrier or stopping sending scheduling information to the secondary carrier.
Based on the implementation process of the network side method, an embodiment of the present invention further provides a base station, where the base station includes:
a transceiver configured to configure serving cell information to the UE, the configuration information including at least two serving cells, and the at least two serving cells belong to at least two different TAGs.
The transceiver is further configured to send an uplink timing adjustment command to the UE, so that the UE adjusts uplink transmission timing according to the uplink timing adjustment command.
The transceiver is further configured to receive indication information that the uplink transmission timing deviation reported by the UE exceeds a first threshold.
Optionally, the apparatus further includes a processor, configured to determine to stop the transmission of the secondary carrier data according to the indication information that the timing deviation exceeds the first threshold. The stopping of the data transmission of the secondary carrier includes deactivating the secondary carrier or stopping sending scheduling information to the secondary carrier.
As shown in fig. 17, the present invention further provides a data processing apparatus implemented based on a computer system, and in a specific implementation, the data processing apparatus may include: a processor 1701, a memory 1702, and a bus 1703; the processor 1701 and the memory 1702 are interconnected via a bus 1703; memory 1702 for storing computer-executable instructions; a processor 1701 for executing the computer executable instructions stored in the memory 1702 and determining sampling points in a cell signal transmission time period in a filtering cycle according to a database execution plan; carrying out cell reference signal measurement on the sampling points to obtain corresponding cell reference signal measurement results; and filtering the cell reference signal measurement result to obtain a cell reference signal measurement value.
In a specific implementation, the processor may be a Central Processing Unit (CPU), an Application Specific Integrated Circuit (ASIC), or the like. The computer storage medium may store a program that, when executed, may include some or all of the steps of the method of data transmission provided by embodiments of the present invention. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, a network device, or the like) or a processor (processor) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It should be understood that although the terms first, second, third, etc. may be used to describe various information in embodiments of the present invention, the information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, the first information may also be referred to as second information, and similarly, the second information may also be referred to as first information, without departing from the scope of embodiments of the present invention. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.
In the embodiment of the present invention, the UE may be any one of the following, and may be static or mobile, where the static UE may specifically include a terminal (terminal), a mobile station (mobile station), a subscriber unit (subscriber unit) or a station (station), and the mobile UE may specifically include a cellular phone (cellular phone), a Personal Digital Assistant (PDA), a modem (modem), a wireless communication device, a handheld device (handset), a laptop computer (laptop computer), a cordless phone (cordless phone), or a Wireless Local Loop (WLL) station, and the UE may be distributed in the entire wireless network.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (12)
1. A method for processing uplink transmission timing, comprising:
receiving serving cell configuration information, the configuration information comprising information of at least two serving cells, and the at least two serving cells belonging to at least two different timing advance groups TAGs;
receiving an uplink timing adjustment command, and adjusting the uplink sending timing of a corresponding service cell in the TAG according to the uplink timing adjustment command;
determining an uplink data transmission starting boundary according to the uplink transmission timing;
and when the uplink sending timing deviation between the first TAG and the second TAG contained in the at least two TAGs is larger than or equal to a first threshold, setting an uplink timing adjustment timer corresponding to at least one TAG in the two TAGs as timeout.
2. The method of claim 1, further comprising:
and clearing the HARQ buffer of the serving cell contained in the TAG corresponding to the uplink timing adjustment timer according to the overtime of the uplink timing adjustment timer, and releasing the SRS resource of the sounding reference signal.
3. The method of claim 1 or 2, further comprising:
and sending indication information to a base station to indicate that the uplink sending timing deviation between the first TAG and the second TAG is greater than or equal to a first threshold.
4. The method of claim 3,
and sending the indication to the base station through a radio resource management message, a media access layer control unit, a physical layer command or a predefined logical channel indication.
5. The method of claim 1 or 2, further comprising:
and determining the sending of the uplink data according to the uplink authorization and the uplink sending timing deviation between the first TAG of the cell to which the uplink authorization belongs and other TAGs configured by the user equipment UE.
6. An apparatus for processing uplink transmission timing, comprising:
means for receiving serving cell configuration information and an uplink timing adjustment command, the configuration information comprising at least information of at least two serving cells, and the at least two serving cells belonging to at least two different timing advance groups TAGs;
means for starting or restarting an uplink timing adjustment timer upon receiving an uplink timing adjustment command;
and a unit configured to set an uplink timing adjustment timer corresponding to at least one of the two TAGs to timeout when an uplink transmission timing offset between a first TAG and a second TAG included in the at least two configured TAGs is greater than or equal to a first threshold.
7. The apparatus of claim 6, further comprising:
means for determining transmission of uplink data according to an uplink grant and an uplink transmission timing offset between a first TAG in which a cell to which the uplink grant belongs and other TAGs configured by a User Equipment (UE).
8. The apparatus of claim 6 or 7, further comprising:
and according to the overtime of the uplink timing adjustment timer, clearing the hybrid automatic repeat request (HARQ) cache of the serving cell contained in the TAG corresponding to the uplink timing adjustment timer, and releasing a Sounding Reference Signal (SRS) and a resource unit.
9. The apparatus of claim 6 or 7, further comprising:
means for transmitting indication information to a base station to indicate that an uplink transmission timing offset between a first TAG and a second TAG of the base station is greater than or equal to a first threshold.
10. The apparatus of claim 9,
and sending the indication to the base station through a radio resource management message, a media access layer control unit, a physical layer command or a predefined logical channel indication.
11. A computer storage medium storing instructions that, when executed on a processor, cause the processor to perform the method of any one of claims 1-5.
12. An apparatus for processing uplink transmission timing, comprising a processor for calling a program in a memory to perform the method according to any one of claims 1 to 5.
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PCT/CN2014/090493 WO2016070386A1 (en) | 2014-11-06 | 2014-11-06 | Reference signal measurement method, interference measurement method, and power control method and device |
CN201480037356.0A CN106171030B (en) | 2014-11-06 | 2014-11-06 | Reference signal measurement method and device |
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KR101227519B1 (en) * | 2010-10-17 | 2013-01-31 | 엘지전자 주식회사 | Method and base station for transmitting location measurement reference signal, and method and user equipment for receiving location measurement reference signal |
CN102158948B (en) * | 2011-02-16 | 2014-01-15 | 普天信息技术研究院有限公司 | Method for obtaining up time advance in carrier aggregation |
WO2013005948A2 (en) * | 2011-07-04 | 2013-01-10 | 엘지전자 주식회사 | Method for terminal to control uplink timing in a wireless communication system, and device for same |
CN102300244B (en) * | 2011-07-15 | 2019-02-05 | 中兴通讯股份有限公司 | A kind of notification method, interference detecting method and the device of interference measurement reference information |
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CN102340797B (en) * | 2011-09-30 | 2014-07-09 | 电信科学技术研究院 | Method and equipment for measuring Rx-Tx time difference of secondary cell |
CN103037499B (en) * | 2011-09-30 | 2016-03-09 | 华为技术有限公司 | Determine the method for Timing Advance, equipment and system |
JP5793627B2 (en) * | 2011-11-04 | 2015-10-14 | インターデイジタル パテント ホールディングス インコーポレイテッド | Method and apparatus for power control for wireless transmission on multiple component carriers associated with multiple timing advance |
US10206181B2 (en) * | 2012-01-30 | 2019-02-12 | Texas Instruments Incorporated | Simultaneous transmission in multiple timing advance groups |
CN103249076A (en) * | 2012-02-06 | 2013-08-14 | 中兴通讯股份有限公司 | Reference signal measurement method and device |
DK2813025T3 (en) * | 2012-02-07 | 2017-02-06 | ERICSSON TELEFON AB L M (publ) | METHOD AND DEVICE FOR SENDING TIMING ADJUSTMENT |
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