CN111447667A - Uplink resource scheduling method and device of PUSCH (physical uplink shared channel) - Google Patents

Uplink resource scheduling method and device of PUSCH (physical uplink shared channel) Download PDF

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CN111447667A
CN111447667A CN201910043455.4A CN201910043455A CN111447667A CN 111447667 A CN111447667 A CN 111447667A CN 201910043455 A CN201910043455 A CN 201910043455A CN 111447667 A CN111447667 A CN 111447667A
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uplink
sinr
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loss value
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黄国平
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Potevio Information Technology Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • H04W52/146—Uplink power control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/241—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account channel quality metrics, e.g. SIR, SNR, CIR, Eb/lo
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/242—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account path loss
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality

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Abstract

The embodiment of the invention provides a PUSCH uplink resource scheduling method and a PUSCH uplink resource scheduling device. And when the actual uplink path loss value needs to be corrected, calculating a target SINR for performing uplink resource scheduling according to the corrected actual uplink path loss value, and performing uplink resource scheduling according to the target SINR. When the UE adopts an improved uplink path loss compensation mode at the middle point or the difference point, the noise overhead caused by the complete orthogonality of an uplink channel is reduced, the reasonable distribution of uplink PUSCH channel resources is facilitated, the overall capacity of an uplink user of a base station is improved, the overall time delay of a voice data packet is reduced, and the call quality of a single UE is improved.

Description

Uplink resource scheduling method and device of PUSCH (physical uplink shared channel)
Technical Field
The embodiment of the invention relates to the technical field of wireless communication, in particular to a method and a device for scheduling uplink resources of a PUSCH (physical uplink shared channel).
Background
In the 1800M L TE frequency band of the power network, for a data acquisition terminal in each cell, there may also be hundreds or even one thousand of users performing uplink data transmission.
The existing scheme is simple to implement and poor in flexibility, under the condition that a base station under 20M wireless bandwidth configuration is not considered, under the condition that VO L TE or 1800M power grid uplink data acquisition participates, the number of downlink users of the base station can reach 1000, the actual resource overhead of uplink PUSCH of the base station exists, the signal of each UE uplink PUSCH channel is a complete orthogonal uplink sequence, the basic orthogonality of multiple users can only be actually realized, the theoretical completeness of all user signal uplink can not be met, a small number of users can exist, and when the current channel quality SINR of the uplink PUSCH is not good, reasonable distribution and optimization are not made on the power resource of the PUSCH channel, and the total data uploading quality and capacity of the uplink PUSCH of the base station are reduced.
In the process of implementing the embodiment of the present invention, the inventor finds that when a large number of users are present, under the influence of uplink multiple users, the background noise of a small number of users is significant, which causes that the uplink SINR obtained by a small number of terminals of a base station from UE is not ideal, thereby affecting the uplink resource allocation and scheduling of specific users.
Disclosure of Invention
The technical problem to be solved by the present invention is how to solve the problem that the uplink resource allocation and scheduling of a specific user is affected by the fact that the base station obtains an unsatisfactory uplink SINR from the UE by a small number of terminals due to the obvious background noise of a small number of users under the influence of uplink multiple users when the number of users is large in the prior art.
In view of the above technical problems, an embodiment of the present invention provides a method for scheduling uplink resources of a PUSCH, including:
after receiving an actual SINR reported by a terminal, judging whether the actual SINR is less than or equal to a preset SINR, if so, acquiring the number of uplink users;
judging whether the number of the uplink users is greater than or equal to a first user number and less than or equal to a second user number, if so, acquiring an actual uplink path loss value obtained through calculation, and correcting the actual uplink path loss value according to the number of the uplink users to obtain a corrected uplink path loss value;
and correcting the actual SINR according to the corrected uplink path loss value and the uplink base station coverage inclination coefficient to obtain a corrected SINR, calculating a target SINR according to the corrected SINR and the indicative parameter, and scheduling uplink resources of the PUSCH of the terminal according to the target SINR.
An embodiment of the present invention provides an uplink resource scheduling apparatus for a PUSCH, including:
the acquiring module is used for judging whether the actual SINR is less than or equal to a preset SINR or not after receiving the actual SINR reported by the terminal, and acquiring the number of uplink users if the actual SINR is less than or equal to the preset SINR;
the correction module is used for judging whether the number of the uplink users is greater than or equal to the first number of users and less than or equal to the second number of users, if so, acquiring an actual uplink loss value obtained through calculation, and correcting the actual uplink loss value according to the number of the uplink users to obtain a corrected uplink loss value;
and the scheduling module is used for correcting the actual SINR according to the corrected uplink path loss value and the uplink base station coverage inclination coefficient to obtain a corrected SINR, calculating a target SINR according to the corrected SINR and the indicative parameter, and scheduling the uplink resource of the PUSCH of the terminal according to the target SINR.
The embodiment provides an electronic device, including:
at least one processor, at least one memory, a communication interface, and a bus; wherein the content of the first and second substances,
the processor, the memory and the communication interface complete mutual communication through the bus;
the communication interface is used for information transmission between the electronic equipment and the communication equipment of the terminal;
the memory stores program instructions executable by the processor, which when called by the processor are capable of performing the methods described above.
The present embodiments provide a non-transitory computer-readable storage medium storing computer instructions that cause the computer to perform the method described above.
The embodiment of the invention provides a PUSCH uplink resource scheduling method and a PUSCH uplink resource scheduling device. And when the actual uplink path loss value needs to be corrected, calculating a target SINR for performing uplink resource scheduling according to the corrected actual uplink path loss value, and performing uplink resource scheduling according to the target SINR. When the UE adopts an improved uplink path loss compensation mode at the middle point or the difference point, the noise overhead caused by the complete orthogonality of an uplink channel is reduced, the reasonable distribution of uplink PUSCH channel resources is facilitated, the overall capacity of an uplink user of a base station is improved, the overall time delay of a voice data packet is reduced, and the call quality of a single UE is improved.
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 some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a flowchart illustrating a method for scheduling uplink resources of a PUSCH according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating a specific PUSCH uplink resource scheduling method according to another embodiment of the present invention;
FIG. 3 is α provided by another embodiment of the present inventionc(j) Obtaining an SINR uplink compensation gain simulation graph when the SINR uplink compensation gain simulation graph is 0.7;
FIG. 4 is α provided by another embodiment of the present inventionc(j) Obtaining an SINR uplink compensation gain simulation graph when the SINR uplink compensation gain simulation graph is 0.8;
fig. 5 is a schematic flowchart of performing uplink resource scheduling according to the actual path loss value calculation target SINR according to another embodiment of the present invention;
fig. 6 is a schematic diagram of a power control flow of a PUSCH of a ue i at a terminal side according to another embodiment of the present invention;
fig. 7 is a schematic diagram of a PUSCH control flow for a base station side to a ue i according to another embodiment of the present invention;
fig. 8 is a block diagram of an uplink resource scheduling apparatus for PUSCH according to another embodiment of the present invention;
fig. 9 is a block diagram of an electronic device according to another embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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.
Fig. 1 shows a flowchart of a PUSCH uplink resource scheduling method provided in this embodiment, and referring to fig. 1, the method includes:
101: after receiving an actual SINR reported by a terminal, judging whether the actual SINR is less than or equal to a preset SINR, if so, acquiring the number of uplink users;
102: judging whether the number of the uplink users is greater than or equal to a first user number and less than or equal to a second user number, if so, acquiring an actual uplink path loss value obtained through calculation, and correcting the actual uplink path loss value according to the number of the uplink users to obtain a corrected uplink path loss value;
103: and correcting the actual SINR according to the corrected uplink path loss value and the uplink base station coverage inclination coefficient to obtain a corrected SINR, calculating a target SINR according to the corrected SINR and the indicative parameter, and scheduling uplink resources of the PUSCH of the terminal according to the target SINR.
The method provided by the embodiment is executed by the base station. The actual SINR is the signal-to-interference-plus-noise ratio (signal-to-interference-plus-noise ratio) actually measured by the terminal UE. The preset SINR is a value set according to the apparatus, and for example, the preset SINR is 20dB, 16dB, or 14 dB. The actual uplink loss value is the difference between the actual transmit power of the UE and the received power of the base station. The indicative parameter is determined according to the transmitted TPC field, and the value of the indicative parameter is-1, 0, 1 or 3.
The method is based on a TD-L TE mobile communication system, and provides a multi-user uplink PUSCH power improvement Control algorithm aiming at voice service scheduling in an electric 1800M multi-user or Vo L TE voice solution when the voice service scheduling is in an uplink service, the algorithm comprehensively considers a reason uplink power optimization Control principle, an MAC judges the cell uplink user number of a base station by judging a Physical Downlink Control Channel (PDCCH) scheduling DCI0(DownlinkConctrol Information 0) of uplink users of a cell, and realizes whether path loss compensates the logarithmic gain under multiple users according to the user number according to the uplink resource occupation amount of the base station and the current reported SINR (Signal-to-Interference plus Noise Ratio) of UE, the path loss compensation algorithm solves the problem that the uplink Signal quality of the users is influenced, so that the actual response of the path loss compensation algorithm is raised, the actual uplink Signal quality of the users is reduced, the uplink Signal Noise Ratio of the PUSCH data transmission system is also raised, and the uplink data transmission capacity of the PUSCH data is reduced.
The embodiment provides a PUSCH uplink resource scheduling method, which determines whether an actual uplink path loss value needs to be corrected according to an actual SINR and an uplink user number after receiving the actual SINR sent by a terminal. And when the actual uplink path loss value needs to be corrected, calculating a target SINR for performing uplink resource scheduling according to the corrected actual uplink path loss value, and performing uplink resource scheduling according to the target SINR. When the UE adopts an improved uplink path loss compensation mode at the middle point or the difference point, the noise overhead caused by the complete orthogonality of an uplink channel is reduced, the reasonable distribution of uplink PUSCH channel resources is facilitated, the overall capacity of an uplink user of a base station is improved, the overall time delay of a voice data packet is reduced, and the call quality of a single UE is improved.
Further, on the basis of the foregoing embodiment, the determining whether the number of uplink users is greater than or equal to a first number of users and less than or equal to a second number of users, if so, obtaining a calculated actual uplink loss value, and correcting the actual uplink loss value according to the number of uplink users to obtain a corrected uplink loss value includes:
judging whether the number of the uplink users is greater than or equal to the first number of users and less than or equal to the second number of users, and if so, acquiring an actual uplink path loss value obtained through calculation;
by the formula P L1＝PL0+10×lgMCorrecting the actual uplink path loss value to obtain a corrected uplink path loss value;
wherein, P L0For the actual uplink loss value, M is the number of uplink users, P L1To correct the uplink loss value.
Wherein, the actual uplink loss value is the difference between the actual transmitting power of the UE and the receiving power of the base station.
In this embodiment, a base station optimizes resource allocation and scheduling by using a reasonable SINR compensation method according to the resource overhead of a PUSCH and the quality of a current channel uplink signal of a UE, thereby improving the user capacity of the base station.
Further, in addition to the above embodiments, the correcting the actual SINR according to the corrected uplink loss value and the uplink base station coverage tilt coefficient to obtain a corrected SINR includes:
according to the corrected uplink path loss value and the uplink base station coverage inclination coefficient, the formula SINR is used1＝SINR0+[1-αc(j)]×PL1Correcting the actual SINR to obtain a corrected SINR;
wherein, the SINR0Is the actual SINR, &lTtT transfer = α "&gTt α &lTt/T &gTt = &c(j) Covering tilt factor, SINR, for said uplink base station1Is the actual SINR.
Further, in addition to the above embodiments, the calculating a target SINR according to the corrected SINR and the indicative parameter, and performing uplink resource scheduling of a PUSCH of a terminal according to the target SINR includes:
passing formula SINR according to the modified SINR and the indicative parameter2＝SINR1+PUSCH_kCalculating a target SINR, and scheduling uplink resources of a PUSCH of the terminal according to the target SINR;
wherein the content of the first and second substances,PUSCH_kfor the indicative parameter, SINR2Is the target SINR.
Fig. 2 is a flowchart of a specific PUSCH uplink resource scheduling method provided in this embodiment, referring to fig. 2, an MAC of a base station determines according to an actual SINR reported by a terminal, and if the actual SINR reported by a current user is higher than 20dB (for example, a preset SINR is set to 20dB), an uplink path loss value is calculated by using a conventional uplink path loss algorithm, so as to obtain the actual uplink path loss value.
If the actual SINR reported by the current user is lower than or equal to 20dB, the MAC further determines whether the number of uplink users is between 400 and 1000 according to the scheduling statistics of the uplink DCIO. And if so, calculating the target SINR for performing uplink resource scheduling according to the corrected uplink loss value calculated by the method. Otherwise, calculating the target SINR for performing uplink resource scheduling by using the actual uplink loss value calculated by the conventional uplink loss algorithm.
The embodiment provides a PUSCH uplink resource scheduling method, which quickly calculates a target SINR through the above formula, so as to rationalize uplink resource scheduling through the target SINR.
To further illustrate the effect of the uplink resource scheduling method for PUSCH provided in this embodiment on correcting the actual path loss value under the condition of large user quantity, fig. 3 is α provided in this embodimentc(j) The simulation graph of the uplink compensation gain of SINR obtained at 0.7 is shown in FIG. 4Example αc(j) And obtaining an SINR uplink compensation gain simulation graph when the SINR uplink compensation gain simulation graph is 0.8.
See fig. 3, αc(j) 0.7, M is 1, SINR1＝SINR0+[1-αc(j)]×PL1＝15+0.3×PL0When M is 400, P L1＝PL0+10×lg400，SINR1＝15+0.3×(PL0+26), when M is 1000, P L1＝PL0+10×lg1000，SINR1＝15+0.3×(PL0+30)。
See fig. 4, αc(j) 0.8, M is 1, SINR1＝SINR0+[1-αc(j)]×PL1＝15+0.2×PL0When M is 400, P L1＝PL0+10×lg400，SINR1＝15+0.2×(PL0+26), when M is 1000, P L1＝PL0+10×lg1000，SINR1＝15+0.2×(PL0+30)
Referring to fig. 3 and 4, if the usual parameter value α is consideredc(j) At 0.7, when M is 400, the gain for SINR correction is 7.8dB, αc(j) At 0.8 and M400, a gain of 5.2db for SINR correction can be obtained if the usual parameter value α is taken into accountc(j) At 0.7 and M1000, the gain for SINR correction is 9dB, αc(j) At 0.8, and M1000, the gain for SINR correction is 6dB αc(j) For the trade-off between uplink scheduling and total cell capacity, αc(j) A maximum uplink system capacity of 0.7 or 0.8 can usually be generated, and both parameters will usually achieve a capacity of 15% to 20% higher than the full path loss compensation without affecting the data quality of the users in the edge cells.
Further, on the basis of the above embodiments, the method further includes:
and if the actual SINR is larger than the preset SINR or the number of the uplink users is smaller than the first user number, correcting the actual SINR according to the actual path loss value and an uplink base station coverage tilt coefficient to obtain a corrected SINR, calculating a target SINR according to the corrected SINR and an indicative parameter, and scheduling uplink resources of a PUSCH of the terminal according to the target SINR.
And under the condition that the actual SINR is greater than the preset SINR or the number of the uplink users is less than the first user number, calculating a target SINR according to the actual path loss value, namely calculating the target SINR for performing uplink resource scheduling by using the actual uplink path loss value calculated by using a conventional uplink path loss algorithm.
Fig. 5 is a schematic diagram of a process of performing uplink resource scheduling according to the actual path loss value calculation target SINR provided in this embodiment, and referring to fig. 5, a process of calculating a target SINR for performing uplink resource scheduling according to an actual uplink path loss value calculated by using a conventional uplink path loss algorithm includes (1) acquiring an actual SINR by a UE, (2) forming a modified SINR through actual path loss calculation, (3) obtaining a target SINR by comparing the target SINR with the modified SINR, and (4) performing, by a base station, uplink resource allocation and scheduling according to the corresponding target SINR, where the process shown in fig. 5 is performed when a number of general users is less than or equal to 400 for a data uplink user that does not consider Vo L TE or 1800M power network data acquisition.
The UE adopts a path loss compensation mode of the original SINR of a dynamic uplink PUSCH channel at a good point to improve the utilization rate of air interface resources, and adopts an improved uplink path loss compensation mode at a middle point or a bad point to obtain uplink SINR gain when a large user exists, for example, αc(j) A gain of 5.2dB to 6dB at 0.8, at αc(j) A gain of 7.8dB to 9dB is obtained at 0.7.
Further, on the basis of the foregoing embodiments, after receiving the actual SINR reported by the terminal, determining whether the actual SINR is less than or equal to a preset SINR, and if so, acquiring the number of uplink users includes:
and after receiving the actual SINR reported by the terminal, judging whether the actual SINR is less than or equal to a preset SINR, and if so, obtaining the number of the uplink users according to scheduling statistics of the uplink DCIO.
Further, on the basis of the above embodiments, the number of the first users is 400, and the number of the second users is 1000.
The uplink resource scheduling method of the PUSCH provided by the embodiment has better adaptivity; the user capacity of the base station can be improved; the utilization rate of air interface resources can be improved; increasing the voice quality of the uplink data voice packet of the current user; the uplink data acquisition service of a large user with 1800M electric power can be optimized.
In order to clearly understand the method provided by the present embodiment, the following briefly describes the generality of PUSCH uplink power control. Fig. 6 is a schematic diagram of a power control flow of a PUSCH of a ue i at a terminal side according to this embodiment, and fig. 7 is a schematic diagram of a PUSCH control flow of a base station side for the ue i according to this embodiment. Referring to fig. 6 and fig. 7, there is a discussion of the uplink power control principle of the uplink channel pusch (physical Resource Block channel) (without considering the introduction of the channel power offset factor). In the new method for determining the target signal-to-noise ratio, the processing and analysis of the power control of the MAC layer are divided into 2 steps, and the related analysis and processing are as follows:
step 1, confirming that target signal-to-noise ratio of user UEi is represented by a protocol 36.2135.1.1 PUSCH uplink power formula
Figure BDA0001948358480000101
And (3) an algorithm for deriving a target signal-to-interference ratio, wherein the current target signal-to-interference-and-noise ratio formula for calculating UEi is as follows:
SINRtawget＝P0_pusch(j)+(α(j)-1)×PLUL- (I + N) formula (1-2)
The parameters are detailed as follows:
PULand the eNB side obtains an uplink path loss value P L according to the actual transmitting power of the UE and the receiving power of the base station, and calculates according to a formula (1-2).
PLUL＝PTX-PreceiveFormula (1-3)
Wherein the received power PreceiveThe received power can be obtained by measuring at the base station side, and the average received power of each antenna at the base station side and the actual transmission of the UEi are used as the received powerPower of transmission PTXCan be obtained by PHR using the formulas (1-3).
Figure BDA0001948358480000102
Because in the accumulation mode, f (i) needs to be determined by maintaining TPC command value, and the UE side measures the downlink P L and the uplink
There may be some error in the row P L, so obtaining the uplink P L by the eNB's received power and the UE's actual transmitted power can provide higher accuracy.
(I + N) -the total uplink interference calculated by the eNB side according to the formula (1-5); (I + N) — 174dBm/Hz +10 × lg (180kHz) + NoiseFigureUP+IOTUPFormula (1-5)
Wherein NoiseFigureUPIs the noise index, which is generally taken to be 7; IOTUPThe interference tolerance is used for controlling the interference of the user of the cell to the adjacent cell, and the IOT is given by the algorithmUPBut this value is open to L MT-B control, default value of 10db, common single PRB noise floor of-126 dBm, taking into account the differences in algorithm simulation and actual scenarios.
It should be noted that, as can be seen from the formula (1-1) and the above analysis, (I + N), PUL，P0_pusch(j)，αc(j) Four parameters determine the current target signal-to-noise ratio SINR of the usertawgetTherefore, any one of the four parameters will trigger the update of the target signal-to-noise ratio SINRtawget。αc(j) Compensating factor α for fractional order path lossc(j)∈{0,0.4,0.5,0.6,0.7,0.8,0.9,1}。
And step 2, performing PUSCH power control flow under the condition of uplink TM1 of each terminal.
In both upper and lower data transmission, SINR exists, related SINR maps corresponding CQI and spectral efficiency, the corresponding mapping relationship is derived from physical layer protocol 36.213, table 1 is a 4-bit CQITable, and CQI index, transmission efficiency, and SINR threshold mapping table.
Table 1: 4-bit CQITable, mapping table of CQI index, transmission efficiency and SINR threshold value
Figure BDA0001948358480000121
Fig. 8 is a block diagram of a structure of an uplink resource scheduling apparatus of PUSCH according to this embodiment, and referring to fig. 8, the uplink resource scheduling apparatus of PUSCH includes an obtaining module 801, a modifying module 802, and a scheduling module 803, wherein,
an obtaining module 801, configured to determine whether the actual SINR is less than or equal to a preset SINR after receiving the actual SINR reported by the terminal, and if so, obtain a number of uplink users;
a correcting module 802, configured to determine whether the number of the uplink users is greater than or equal to the first number of users and less than or equal to the second number of users, if so, obtain a calculated actual uplink path loss value, and correct the actual uplink path loss value according to the number of the uplink users to obtain a corrected uplink path loss value;
and a scheduling module 803, configured to modify the actual SINR according to the modified uplink path loss value and the uplink base station coverage tilt coefficient to obtain a modified SINR, calculate a target SINR according to the modified SINR and the indicative parameter, and perform uplink resource scheduling of a PUSCH of the terminal according to the target SINR.
The uplink resource scheduling apparatus for PUSCH provided in this embodiment is applicable to the uplink resource scheduling method for PUSCH provided in the above embodiment, and is not described herein again.
The embodiment provides an uplink resource scheduling apparatus of PUSCH,
and after receiving the actual SINR sent by the terminal, determining whether the actual uplink path loss value needs to be corrected according to the actual SINR and the number of uplink users. And when the actual uplink path loss value needs to be corrected, calculating a target SINR for performing uplink resource scheduling according to the corrected actual uplink path loss value, and performing uplink resource scheduling according to the target SINR. When the UE adopts an improved uplink path loss compensation mode at the middle point or the difference point, the noise overhead caused by the complete orthogonality of an uplink channel is reduced, the reasonable distribution of uplink PUSCH channel resources is facilitated, the overall capacity of an uplink user of a base station is improved, the overall time delay of a voice data packet is reduced, and the call quality of a single UE is improved.
Fig. 9 is a block diagram showing the structure of the electronic apparatus provided in the present embodiment.
Referring to fig. 9, the electronic device includes: a processor (processor)901, a memory (memory)902, a communication Interface (Communications Interface)903, and a bus 904;
wherein the content of the first and second substances,
the processor 901, the memory 902 and the communication interface 903 complete mutual communication through the bus 904;
the communication interface 903 is used for information transmission between the electronic device and a communication device of the terminal;
the processor 901 is configured to call program instructions in the memory 902 to perform the methods provided by the above-mentioned method embodiments, for example, including: after receiving an actual SINR reported by a terminal, judging whether the actual SINR is less than or equal to a preset SINR, if so, acquiring the number of uplink users; judging whether the number of the uplink users is greater than or equal to a first user number and less than or equal to a second user number, if so, acquiring an actual uplink path loss value obtained through calculation, and correcting the actual uplink path loss value according to the number of the uplink users to obtain a corrected uplink path loss value; and correcting the actual SINR according to the corrected uplink path loss value and the uplink base station coverage inclination coefficient to obtain a corrected SINR, calculating a target SINR according to the corrected SINR and the indicative parameter, and scheduling uplink resources of the PUSCH of the terminal according to the target SINR.
The present embodiments provide a non-transitory computer-readable storage medium storing computer instructions that cause the computer to perform the methods provided by the above method embodiments, for example, including: after receiving an actual SINR reported by a terminal, judging whether the actual SINR is less than or equal to a preset SINR, if so, acquiring the number of uplink users; judging whether the number of the uplink users is greater than or equal to a first user number and less than or equal to a second user number, if so, acquiring an actual uplink path loss value obtained through calculation, and correcting the actual uplink path loss value according to the number of the uplink users to obtain a corrected uplink path loss value; and correcting the actual SINR according to the corrected uplink path loss value and the uplink base station coverage inclination coefficient to obtain a corrected SINR, calculating a target SINR according to the corrected SINR and the indicative parameter, and scheduling uplink resources of the PUSCH of the terminal according to the target SINR.
The present embodiments disclose a computer program product comprising a computer program stored on a non-transitory computer readable storage medium, the computer program comprising program instructions which, when executed by a computer, enable the computer to perform the methods provided by the above-described method embodiments, for example, comprising: after receiving an actual SINR reported by a terminal, judging whether the actual SINR is less than or equal to a preset SINR, if so, acquiring the number of uplink users; judging whether the number of the uplink users is greater than or equal to a first user number and less than or equal to a second user number, if so, acquiring an actual uplink path loss value obtained through calculation, and correcting the actual uplink path loss value according to the number of the uplink users to obtain a corrected uplink path loss value; and correcting the actual SINR according to the corrected uplink path loss value and the uplink base station coverage inclination coefficient to obtain a corrected SINR, calculating a target SINR according to the corrected SINR and the indicative parameter, and scheduling uplink resources of the PUSCH of the terminal according to the target SINR.
Those of ordinary skill in the art will understand that: all or part of the steps for implementing the method embodiments may be implemented by hardware related to program instructions, and the program may be stored in a computer readable storage medium, and when executed, the program performs the steps including the method embodiments; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
The above-described embodiments of the electronic device and the like are merely illustrative, where the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may also be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the embodiments of the present invention, and are not limited thereto; although embodiments of the present invention have been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. A method for scheduling uplink resources of a PUSCH (physical uplink shared channel) is characterized by comprising the following steps:
after receiving an actual SINR reported by a terminal, judging whether the actual SINR is less than or equal to a preset SINR, if so, acquiring the number of uplink users;
judging whether the number of the uplink users is greater than or equal to a first user number and less than or equal to a second user number, if so, acquiring an actual uplink path loss value obtained through calculation, and correcting the actual uplink path loss value according to the number of the uplink users to obtain a corrected uplink path loss value;
and correcting the actual SINR according to the corrected uplink path loss value and the uplink base station coverage inclination coefficient to obtain a corrected SINR, calculating a target SINR according to the corrected SINR and the indicative parameter, and scheduling uplink resources of the PUSCH of the terminal according to the target SINR.
2. The method according to claim 1, wherein the determining whether the number of uplink users is greater than or equal to a first number of users and less than or equal to a second number of users, if so, obtaining a calculated actual uplink path loss value, and correcting the actual uplink path loss value according to the number of uplink users to obtain a corrected uplink path loss value includes:
judging whether the number of the uplink users is greater than or equal to the first number of users and less than or equal to the second number of users, and if so, acquiring an actual uplink path loss value obtained through calculation;
by the formula P L1＝PL0+10×lgMCorrecting the actual uplink path loss value to obtain a corrected uplink path loss value;
wherein, P L0For the actual uplink loss value, M is the number of uplink users, P L1To correct the uplink loss value.
3. The method of claim 2, wherein the correcting the actual SINR based on the corrected uplink loss value and an uplink base station coverage tilt coefficient to obtain a corrected SINR comprises:
according to the corrected uplink path loss value and the uplink base station coverage inclination coefficient, the formula SINR is used1＝SINR0+[1-αc(j)]×PL1Correcting the actual SINR to obtain a corrected SINR;
wherein, the SINR0Is the actual SINR, &lTtT transfer = α "&gTt α &lTt/T &gTt = &c(j) Covering tilt factor, SINR, for said uplink base station1Is the actual SINR.
4. The method according to claim 3, wherein the calculating a target SINR according to the modified SINR and the indicative parameter, and performing uplink resource scheduling of the PUSCH of the terminal according to the target SINR comprises:
passing formula SINR according to the modified SINR and the indicative parameter2＝SINR1+PUSCH_kCalculating a target SINR, and scheduling uplink resources of a PUSCH of the terminal according to the target SINR;
wherein the content of the first and second substances,PUSCH_kfor the indicative parameter, SINR2Is the target SINR.
5. The method of claim 1, further comprising:
and if the actual SINR is larger than the preset SINR or the number of the uplink users is smaller than the first user number, correcting the actual SINR according to the actual path loss value and an uplink base station coverage tilt coefficient to obtain a corrected SINR, calculating a target SINR according to the corrected SINR and an indicative parameter, and scheduling uplink resources of a PUSCH of the terminal according to the target SINR.
6. The method of claim 1, wherein the determining whether the actual SINR is less than or equal to a preset SINR after receiving the actual SINR reported by a terminal, and if so, acquiring the number of uplink users comprises:
and after receiving the actual SINR reported by the terminal, judging whether the actual SINR is less than or equal to a preset SINR, and if so, obtaining the number of the uplink users according to scheduling statistics of the uplink DCIO.
7. The method of claim 1, wherein the first number of users is 400 and the second number of users is 1000.
8. An uplink resource scheduling apparatus for a PUSCH, comprising:
the acquiring module is used for judging whether the actual SINR is less than or equal to a preset SINR or not after receiving the actual SINR reported by the terminal, and acquiring the number of uplink users if the actual SINR is less than or equal to the preset SINR;
the correction module is used for judging whether the number of the uplink users is greater than or equal to the first number of users and less than or equal to the second number of users, if so, acquiring an actual uplink loss value obtained through calculation, and correcting the actual uplink loss value according to the number of the uplink users to obtain a corrected uplink loss value;
and the scheduling module is used for correcting the actual SINR according to the corrected uplink path loss value and the uplink base station coverage inclination coefficient to obtain a corrected SINR, calculating a target SINR according to the corrected SINR and the indicative parameter, and scheduling the uplink resource of the PUSCH of the terminal according to the target SINR.
9. An electronic device, comprising:
at least one processor, at least one memory, a communication interface, and a bus; wherein the content of the first and second substances,
the processor, the memory and the communication interface complete mutual communication through the bus;
the communication interface is used for information transmission between the electronic equipment and the communication equipment of the terminal;
the memory stores program instructions executable by the processor, the processor invoking the program instructions to perform the method of any of claims 1 to 7.
10. A non-transitory computer-readable storage medium storing computer instructions that cause a computer to perform the method of any one of claims 1 to 7.
CN201910043455.4A 2019-01-17 2019-01-17 Uplink resource scheduling method and device of PUSCH (physical uplink shared channel) Pending CN111447667A (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102348268A (en) * 2010-08-03 2012-02-08 中兴通讯股份有限公司 Uplink power control method and system of LTE (Long Term Evolution) system
CN105592538A (en) * 2014-10-24 2016-05-18 普天信息技术有限公司 Power control method and apparatus of physical uplink shared channel

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102348268A (en) * 2010-08-03 2012-02-08 中兴通讯股份有限公司 Uplink power control method and system of LTE (Long Term Evolution) system
CN105592538A (en) * 2014-10-24 2016-05-18 普天信息技术有限公司 Power control method and apparatus of physical uplink shared channel

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