WO2014139095A1 - 一种频带资源的调度方法及装置 - Google Patents
一种频带资源的调度方法及装置 Download PDFInfo
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- WO2014139095A1 WO2014139095A1 PCT/CN2013/072489 CN2013072489W WO2014139095A1 WO 2014139095 A1 WO2014139095 A1 WO 2014139095A1 CN 2013072489 W CN2013072489 W CN 2013072489W WO 2014139095 A1 WO2014139095 A1 WO 2014139095A1
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- user terminal
- subband
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- transport block
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 230000005540 biological transmission Effects 0.000 claims abstract description 58
- 230000007423 decrease Effects 0.000 claims abstract description 11
- 238000004364 calculation method Methods 0.000 claims description 27
- 238000012545 processing Methods 0.000 claims description 12
- 238000004891 communication Methods 0.000 abstract description 9
- 238000001228 spectrum Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000013468 resource allocation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000004590 computer program Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
-
- 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
Definitions
- the present invention relates to the field of wireless communication technologies, and in particular, to a method and an apparatus for scheduling a frequency band resource. Background of the invention
- the bandwidth occupied by wireless network systems is increasing.
- the bandwidth occupied by a CDMA (Code Division Multiple Access) system is: 1. 23 MHz
- UMTS (Universal Mobile Telecommunications System) occupies a bandwidth of 5 MHz
- LTE (Long Term Evolution) Long-term evolution) System bandwidth is more flexible, its bandwidth resources include: 1. 4MHz, 3MHz, 5MHz, 10MHz, 15MHz, 20MHz bandwidth.
- the current methods for reducing interference include: In the frequency selection process, the subband with the best or better channel quality is selected for scheduling. In the case of service dissatisfaction, by selecting the subband with better channel quality, the strong interference subband (ie, narrowband interference) can be avoided, thereby reducing interference. However, in the case of FullBuffer, all subbands are used for scheduling, and even in the above manner, narrowband interference cannot be reduced. Summary of the invention
- the method for scheduling a frequency band resource includes:
- the step of selecting a subband to be allocated to a user includes:
- the acquiring, by the user terminal, the size of the new transport block that can be scheduled by the user terminal after the obtaining the selected subband includes :
- the size of the new transport block that the user terminal can schedule is determined.
- the calculating, by using the selected subband, the average value of the CQI of all subbands of the user terminal after the user terminal is allocated to the user terminal includes :
- the average of the CQIs of all subbands of the user terminal (CQI 1 + CQI 2 + ⁇ + CQI mecanic) / the number of subbands, where CQL is the CQI value corresponding to the first subband allocated to the user terminal, and CQI 2 is the allocation
- CQI value corresponding to the second sub-band of the user terminal 0105 is the CQI value corresponding to the n-th sub-band allocated to the user terminal, and ⁇ is the number of all sub-bands allocated to the user terminal.
- the determining, by the user terminal, the size of the new transport block that can be scheduled by the user terminal includes:
- a scheduling device for a frequency band comprising: a subband selection module, configured to select a subband to be allocated to a user terminal according to a transmission quality of each of the candidate subbands in the at least one candidate subband;
- the subband selection module includes: a subband channel quality acquiring module, configured to acquire the at least one candidate subband reported by the user terminal Channel quality indication CQI;
- a subband selection submodule configured to select, according to the CQI acquired by the subband channel quality acquisition module, a subband with the best channel quality among the at least one candidate subband as the subband to be allocated to the user terminal.
- the resource scheduling processing module determines whether the transmission quality of the user terminal is decreased by more than the predetermined after the selected subband is allocated to the user terminal.
- the processing part of the value includes:
- a transport block size calculation module configured to calculate a new transport block size that can be scheduled by the user terminal after the subband selected by the subband selection module is allocated to the user terminal;
- a determining module configured to determine, after determining that the allocated subband calculated by the transport block size calculation module, that the difference between the new transport block size that can be scheduled by the user terminal and the original transport block size exceeds a first predetermined value, or After obtaining the allocated subband, the new transmission block size scheduled by the user terminal is less than the second predetermined value, determining that the transmission quality of the user terminal decreases by more than the predetermined value; otherwise, determining that the transmission quality of the user terminal is reduced is not Exceeding the predetermined value.
- the transport block size calculation module includes: a scheduling coding order calculation module, configured to calculate the subband selection The sub-band selected by the module is assigned to the average of the CQIs of all sub-bands of the user terminal after the user terminal; and the scheduling coding order MCS in the system is determined according to the average value of the CQIs of all sub-bands of the user terminal;
- a transport block size calculation submodule configured to determine a new transport block size that the user terminal can schedule based on the MCS determined by the scheduling coding order calculation module and the number of subbands or radio bearers allocated to the user terminal.
- the scheduling coding order calculation module calculates the subband selected by the subband selection module to be allocated to the user terminal
- the average of the CQIs of all subbands of the latter user terminal is calculated as follows:
- CQI value corresponding to the n subbands, and n is the number of all subbands allocated to the user terminal.
- the manner in which the transport block size calculation submodule determines the size of the new transport block that the user terminal can schedule includes: according to the determined MCS, and the number of subbands or the number of radio bearers allocated to the user terminal, the predetermined MCS and the number of subbands Or in the correspondence between the number of radio bearers and the size of the transport block, the lookup determines the size of the new transport block that the user terminal can schedule.
- FIG. 1 is a schematic diagram of an implementation process of a method according to an embodiment of the present invention.
- FIG. 2 is a schematic diagram of a subband according to an embodiment of the present invention.
- FIG. 3 is a flowchart of processing according to an embodiment of the present invention.
- FIG. 5 is a flowchart of subband selection in a specific implementation manner according to an embodiment of the present invention.
- FIG. 6 is a schematic structural diagram of a device according to an embodiment of the present invention.
- FIG. 7 is a schematic structural diagram of a base station according to an embodiment of the present invention. Mode for carrying out the invention
- An embodiment of the present invention provides a method for scheduling a frequency band resource.
- the specific implementation process is as shown in FIG. 1 and may include the following steps:
- Step 11 Select a sub-band to be allocated to the user terminal according to the transmission quality of each of the candidate sub-bands in the at least one candidate sub-band;
- the processing step of selecting the sub-band to be allocated to the user may specifically but not limited to include: Acquiring a CQI (Channel Quality Indicator) of the at least one candidate subband to be reported by the user equipment, and selecting, according to the CQI of the at least one candidate subband reported by the user equipment, in the at least one candidate subband The subband with the best channel quality is used as a subband to be allocated to the user terminal.
- CQI Channel Quality Indicator
- Step 12 it is determined whether the selected sub-band is allocated to the user terminal, whether the transmission quality of the user terminal is reduced by more than a predetermined value, and if so, step 13 is performed, otherwise, step 14 is performed;
- the following manner may be, but is not limited to, determining whether the transmission quality of the user terminal is reduced by a predetermined value, that is,
- the predetermined value may be a value greater than or equal to zero. For example, when the predetermined value is zero, step 13 is performed as long as the value of the reduced transmission quality is greater than zero.
- whether the transmission quality of the user terminal is reduced by a predetermined value may include:
- the corresponding first predetermined value may be a value greater than or equal to zero.
- the transport block size scheduled by the user terminal after the obtained allocated subband is calculated is calculated. If the difference from the original transport block size is greater than zero, step 13 can be performed;
- the corresponding second predetermined value may be determined based on network transmission quality requirements in the system or desired network transmission quality conditions provided by the user terminal.
- Step 13 End the resource allocation process, and do not assign the selected subband to the user terminal.
- step 13 it is possible to avoid assigning the interfered sub-band to the user terminal.
- Step 14 Assign the selected subband to the user terminal.
- the transmission quality of the user terminal is not lowered. If the amplitude exceeds a predetermined value, it is determined that the selected sub-band is not interfered, and the selected sub-band can be allocated to the user terminal.
- the process of obtaining the transport block size scheduled by the user terminal after the selected sub-band is allocated to the user terminal described in step 12 may specifically include, but is not limited to, including:
- the number of bands where CQI is the CQI value corresponding to the first sub-band allocated to the user terminal, CQI 2 is the CQI value corresponding to the second sub-band allocated to the user terminal, and CQI n is the n-th child assigned to the user terminal With the corresponding CQI value, r is the number of all subbands allocated to the user terminal.
- the method includes: searching, according to the foregoing MCS, the number of subbands or the number of radio bearers allocated to the user equipment, in the correspondence between the number of the MCS and the number of subbands or the number of radio bearers and the size of the transport block, searching for the transport block size scheduled by the user equipment, that is, generally
- the embodiment of the present invention provides a spectrum efficiency-based scheduling scheme, which may specifically select a sub-band according to a sub-band CQI reported by a user terminal.
- the sub-bands are sequentially selected according to the channel quality from good to bad, for example, the sub-band with the best channel quality is preferentially selected. , then select the subband with the second best channel quality.
- the transmission quality such as the transmission rate, etc.
- the transmission quality such as the transmission rate, etc.
- Distribution process This can selectively mask out the interfered subbands and only the undisturbed subbands to the user terminals.
- the frequency band allocated to the user terminal (the number of subbands allocated to the user terminal) is smaller, since the allocated subband channel quality is better, the order of modulation coding can be improved, thereby improving the overall Spectral efficiency.
- the LTE system is taken as an example to describe a specific implementation process of the spectrum efficiency-based scheduling solution provided by the embodiment of the present invention.
- the implementation process may include:
- Step 31 The base station divides the bandwidth in the frequency domain into multiple sub-bands.
- the subband division may be performed according to the bandwidth of the system. For example, for a 20 MHz LTE system, if there are 100 RBs (Resource Blocks) in the frequency domain, the adjacent 4 RBs may be used as a subband. , then the LTE system has a total of 25 sub-bands.
- the base station may notify all user terminals of the cell by corresponding configuration of the number of sub-bands by using a configuration message or a broadcast message, so as to facilitate The user terminal reports the CQI of all subbands.
- Step 32 The base station receives all sub-band CQIs reported by the user terminal;
- the user terminal can obtain the signal-to-noise ratio (SINR) of each sub-band through its own measurement, and quantize the obtained signal-to-noise ratio into a 4-bit CQI; for example, it can be quantized by referring to the chart shown in FIG. In FIG. 4, the value of each signal-to-noise ratio SINR corresponds to a CQI index (CQI index), and the corresponding CQI index is determined according to FIG. 4, and the value of a 4-bit CQI corresponding to the CQI index can be determined;
- SINR signal-to-noise ratio
- the user terminal may report to the base station periodically, or may report the data to the base station in real time, or may report to the base station at a specified time.
- Step 33 The base station scheduler selects a subband allocated to the UE (ie, the user terminal) according to the CQI of all the subbands reported by the user terminal;
- the specific manner of selecting the sub-bands is as shown in FIG. 5, and may include the following steps:
- Step 331 Select the subband with the best channel quality from the unassigned subband as the subband to be allocated to the UE; and pass the selected subband (or RB) through the bitmap (bit map, ie, binary bit) Indicates whether the subband or RB is occupied) to be identified to avoid repeated allocation;
- bitmap bit map, ie, binary bit
- the base station can select the one subband with the highest CQI from the unassigned subband as the subband to be allocated to the UE;
- Step 332 Add the selected subband to the original subband of the UE (that is, the subband allocated to the UE), and calculate an average value of CQIs of all subbands allocated to the UE;
- Step 333 Select, by using the average value of the CQIs of all the subbands allocated to the UE, and the number of subbands (or the number of RBs) allocated to the UE, the TBS that is currently scheduled by the UE, where the TBS is carried by the resources allocated to the terminal. Number of bits;
- the manner of selecting the TBS scheduled by the UE in this time may include:
- MCS 2*CQI -4;
- the TBS of the current scheduling of the UE is determined (the number of MCS combined sub-bands or RBs usually corresponds to a unique TBS, so According to the MCS, and the number of subbands or the number of RBs, the TBS of the UE scheduled this time can be determined.
- Step 334 Compare the size of the TBS (referred to as the original TBS) that can be scheduled by the UE when the selected subband is allocated to the UE and the new TBS that can be scheduled by the UE, and if the selected subband is not allocated to the UE, if the new TBS is greater than The original TBS, that is, indicating that the transmission rate is increased, step 335 is performed, otherwise, indicating that the transmission rate is decreased, step 336 is performed;
- the original TBS that is, indicating that the transmission rate is increased
- step 335 is performed, otherwise, indicating that the transmission rate is decreased
- step 336 is performed;
- Step 335 the selected sub-band (ie, the sub-band to be allocated to the UE) is allocated to the UE;
- Step 336 ending the sub-band-based resource scheduling allocation process, and not assigning the selected sub-band to the UE, so as not to reduce the transmission rate;
- step 331 may be re-executed until there is no available unassigned subband or the UE does not need to be more If there are more spectrum resources, the resource allocation operation is stopped.
- Step 34 The information about the spectrum resources (the number of RBs and the location) allocated to the UE is sent to the UE through the Bigmap in the control signaling.
- the sub-bands can be selected according to the sub-band channel quality reported by the UE according to the sub-band channel quality, and each sub-band to be allocated to the UE is selected.
- the rate of the UE is estimated to find the inflection point of the transmission efficiency from rising to falling, thereby effectively shielding some interference sub-bands in the system bandwidth and improving the spectrum efficiency.
- the technical solution provided by the embodiment of the present invention can be applied to any wireless communication system, for example, not only in an LTE system, but also in wireless devices such as Wimax (Worldwide Interoperabiation for Microwave Access).
- Wimax Worldwide Interoperabiation for Microwave Access
- the storage medium is It is a disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).
- the embodiment of the present invention further provides a scheduling device for a frequency band resource. As shown in FIG.
- the method further includes: a subband selection module 61, configured to: according to at least one candidate to be selected when a subband resource needs to be allocated to a user terminal. The transmission quality of each candidate subband in the band selects a subband to be allocated to the user terminal;
- the resource scheduling processing module 62 is configured to determine whether the sub-band selected by the sub-band selection module 61 is allocated to the user terminal, whether the transmission quality of the user terminal is reduced by more than a predetermined value, and if so, the selected The subband is assigned to the user terminal, otherwise the selected subband is assigned to the user terminal.
- subband selection module 61 may specifically but not limited to include:
- a sub-band channel quality obtaining module 611 configured to acquire a channel quality indicator CQI of the at least one candidate sub-band reported by the user equipment;
- a sub-band selection sub-module 612 configured to select, according to the CQI acquired by the sub-band channel quality obtaining module 612, a sub-band with the best channel quality among the at least one candidate sub-band as the sub-to-user to be allocated to the user terminal. band.
- whether the processing part that causes the transmission quality of the user terminal to decrease by more than the predetermined value may specifically pass the following transport block size calculation module 621 and The determining module 622 is implemented, and the specific implementation of the two modules may include:
- a transport block size calculation module 621 configured to calculate a new transport block size that can be scheduled by the user terminal after the subband selected by the subband selection module 61 is allocated to the user terminal;
- the determining module 622 is configured to: after determining that the determined allocation sub-band calculated by the transport block size calculation module 621 is calculated, the difference between the new transport block size that can be scheduled by the user terminal and the original transport block size exceeds a first predetermined value, or After calculating the obtained allocation subband, the transmission block size scheduled by the user terminal is less than the second predetermined value, determining that the transmission quality of the user terminal decreases by more than the predetermined value; otherwise, determining that the transmission quality of the user terminal is decreased is not Exceeding the predetermined value.
- the implementation manner of the foregoing transport block size calculation module 621 may specifically include:
- a scheduling coding order calculation module 6211 configured to calculate an average value of CQIs of all subbands of the user terminal after the subband selected by the subband selection module 61 is allocated to the user terminal; and according to all subbands of the user terminal
- the average value of the CQI determines the scheduling coding order MCS in the system; wherein, the calculation of the average value of the CQIs of all subbands of the user terminal in the scheduling coding order calculation module 6211 can be, but is not limited to, including:
- the average value of the CQI of the subband is 0 ⁇ 1 1 +031 2 + ⁇ + 01 thread) / the number of subbands, where 0 (31 1 is the first subband assigned to the user terminal)
- the CQI value, CQI 2 is the CQI value corresponding to the second sub-band allocated to the user terminal
- CQI hail is the CQI value corresponding to the n-th sub-band allocated to the user terminal
- n is the number of all sub
- a transport block size calculation sub-module 6212 configured to determine, according to the MCS determined by the scheduling and coding order calculation module 6211, and the number of sub-bands or radio bearers allocated to the user equipment, determine a transport block size scheduled by the user equipment;
- the manner in which the transport block size calculation sub-module 6212 determines the transport block size scheduled by the user terminal may specifically but not limited to include: according to the determined MCS, and the number of sub-bands or radio bearers allocated for the user terminal, in the predetermined MCS and sub- In the correspondence between the number of bands or the number of radio bearers and the size of the transport block, the lookup determines the size of the transport block scheduled by the user terminal.
- the inflection point of the transmission efficiency can be found in the sub-band based resource allocation process, thereby effectively shielding some interference sub-bands in the system bandwidth and improving the spectrum efficiency.
- the foregoing scheduling device of a frequency band resource may be disposed in a base station, and the structure of the corresponding base station may be as shown in FIG. 7, and the base station includes at least a processor 71 and a memory 72.
- the memory 72 is for storing code implementing any of the above method embodiments; the processor 71 is configured to execute the code stored by the memory 72.
- the base station may further include a transceiver antenna 73 and a power source 74.
- the power source 74 is responsible for powering the device such as the processor 71 and the memory 72.
- the base station can receive the information sent by the user terminal through the transceiver antenna 73 (such as acquiring the CQI of the at least one candidate sub-band reported by the user terminal, etc.) And transmitting information to the user terminal through the transmitting and receiving antenna 73.
- Fig. 7 only shows an example of the structure of the base station, which does not constitute the only limitation of the present invention.
- the disclosed apparatus and method may be implemented in other manners.
- the device embodiments described above are only illustrative.
- the division of the modules is only a logical function division.
- there may be another division manner for example, multiple modules may be used. Combined or can be integrated into another system, or some features can be ignored, or not executed.
- the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or module, and may be in an electrical, mechanical or other form.
- each functional module in each embodiment of the present invention may be integrated into one processing unit, or each module may exist physically separately, or two or more modules may be integrated into one unit.
- the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit. The above is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or within the technical scope of the present disclosure. Alternatives are intended to be covered by the scope of the present invention. Therefore, the scope of the invention should be determined by the scope of the appended claims.
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Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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PCT/CN2013/072489 WO2014139095A1 (zh) | 2013-03-12 | 2013-03-12 | 一种频带资源的调度方法及装置 |
EP13877439.3A EP2958388B1 (en) | 2013-03-12 | 2013-03-12 | Method and device for scheduling frequency band resource |
KR1020157028294A KR20150128918A (ko) | 2013-03-12 | 2013-03-12 | 주파수 대역 자원 스케줄링 방법 및 장치 |
CN201380001710.XA CN105264992B (zh) | 2013-03-12 | 2013-03-12 | 一种频带资源的调度方法及装置 |
US14/852,261 US9801181B2 (en) | 2013-03-12 | 2015-09-11 | Frequency band resource scheduling method and apparatus |
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PCT/CN2013/072489 WO2014139095A1 (zh) | 2013-03-12 | 2013-03-12 | 一种频带资源的调度方法及装置 |
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US14/852,261 Continuation US9801181B2 (en) | 2013-03-12 | 2015-09-11 | Frequency band resource scheduling method and apparatus |
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EP (1) | EP2958388B1 (zh) |
KR (1) | KR20150128918A (zh) |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106535262A (zh) * | 2016-11-16 | 2017-03-22 | 深圳互由科技有限公司 | 一种基于mcs值的动态调频方法 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20160101440A (ko) * | 2015-02-17 | 2016-08-25 | 한국전자통신연구원 | 비면허대역에서 LTE-U와 WiFi 서비스간의 상호공존을 위한 장치 및 방법 |
EP3528571B1 (en) * | 2016-11-04 | 2021-11-03 | LG Electronics Inc. | Communication method using frequency band of base station in wireless communication system, and device using method |
US10715275B2 (en) | 2018-05-11 | 2020-07-14 | At&T Intellectual Property I, L.P. | Configuring channel quality indicator for communication service categories in wireless communication systems |
US10492212B1 (en) | 2018-06-22 | 2019-11-26 | At&T Intellectual Property I, L.P. | Scheduling ultra-reliable low latency communications in wireless communication systems |
CN109191962B (zh) * | 2018-10-11 | 2020-11-03 | 四川生学教育科技有限公司 | 一种用于固定带宽下同频帧率的优化方法及系统 |
CN111436052B (zh) * | 2019-01-14 | 2023-06-23 | 普天信息技术有限公司 | 一种无线通信系统中覆盖优化方法及基站 |
CN111479322B (zh) * | 2019-01-23 | 2023-06-23 | 普天信息技术有限公司 | 一种资源分配方法及装置 |
CN111698785B (zh) * | 2019-03-15 | 2023-05-09 | 中国移动通信有限公司研究院 | 一种资源调度方法及装置、设备、存储介质 |
WO2021237709A1 (en) * | 2020-05-29 | 2021-12-02 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and base station for resource allocation |
CN114765483A (zh) * | 2021-01-15 | 2022-07-19 | 维沃移动通信有限公司 | 信道状态信息的上报方法、装置及终端 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101730239A (zh) * | 2008-10-24 | 2010-06-09 | 中兴通讯股份有限公司 | 小区频率资源的分配方法及终端信道质量指示值反馈装置 |
CN101790243A (zh) * | 2009-12-26 | 2010-07-28 | 华为技术有限公司 | 一种调度方法和装置 |
CN102244881A (zh) * | 2011-07-18 | 2011-11-16 | 中兴通讯股份有限公司 | 资源调度方式的确定方法、装置及系统 |
CN102356685A (zh) * | 2009-03-16 | 2012-02-15 | 株式会社Ntt都科摩 | 基站装置和信息发送方法 |
CN102801498A (zh) * | 2012-07-25 | 2012-11-28 | 电信科学技术研究院 | 一种终端设备选择子带反馈的上报及确定方法和设备 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007274159A (ja) * | 2006-03-30 | 2007-10-18 | Toshiba Corp | 基地局、無線端末および無線通信方法 |
JP2007274094A (ja) * | 2006-03-30 | 2007-10-18 | Toshiba Corp | 基地局、無線端末および無線通信方法 |
US8498639B2 (en) * | 2007-02-09 | 2013-07-30 | Qualcomm Incorporated | Flexible channel quality indicator reporting |
CN101277166A (zh) * | 2008-04-03 | 2008-10-01 | 中兴通讯股份有限公司 | 一种信道质量指示反馈方法 |
ATE541431T1 (de) * | 2008-06-11 | 2012-01-15 | Ericsson Telefon Ab L M | Verfahren und anordnung zur auswahl eines cqi- wertes basierend auf der transportblockgrösse in einem mobilen telekommunikationsnetz |
US20100041344A1 (en) * | 2008-08-13 | 2010-02-18 | Bong Hoe Kim | Method for transmitting channel quality indicators |
CN102055569B (zh) * | 2009-10-28 | 2013-07-31 | 中国移动通信集团公司 | 一种信道质量指示反馈方法、系统及装置 |
US20120026986A1 (en) * | 2010-07-29 | 2012-02-02 | Continuous Computing India Private Ltd. | Downlink frequency selective scheduling based on channel quality feedback |
EP2753002B1 (en) * | 2011-09-02 | 2018-10-10 | LG Electronics Inc. | Method and apparatus for transmitting channel state information in a wireless communication system |
GB2491222B (en) * | 2012-02-29 | 2013-07-10 | Renesas Mobile Corp | Channel quality |
US9680623B2 (en) * | 2012-04-20 | 2017-06-13 | Lg Electronics Inc. | Method for reporting channel state, and apparatus therefor |
-
2013
- 2013-03-12 EP EP13877439.3A patent/EP2958388B1/en active Active
- 2013-03-12 CN CN201380001710.XA patent/CN105264992B/zh active Active
- 2013-03-12 WO PCT/CN2013/072489 patent/WO2014139095A1/zh active Application Filing
- 2013-03-12 KR KR1020157028294A patent/KR20150128918A/ko not_active Application Discontinuation
-
2015
- 2015-09-11 US US14/852,261 patent/US9801181B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101730239A (zh) * | 2008-10-24 | 2010-06-09 | 中兴通讯股份有限公司 | 小区频率资源的分配方法及终端信道质量指示值反馈装置 |
CN102356685A (zh) * | 2009-03-16 | 2012-02-15 | 株式会社Ntt都科摩 | 基站装置和信息发送方法 |
CN101790243A (zh) * | 2009-12-26 | 2010-07-28 | 华为技术有限公司 | 一种调度方法和装置 |
CN102244881A (zh) * | 2011-07-18 | 2011-11-16 | 中兴通讯股份有限公司 | 资源调度方式的确定方法、装置及系统 |
CN102801498A (zh) * | 2012-07-25 | 2012-11-28 | 电信科学技术研究院 | 一种终端设备选择子带反馈的上报及确定方法和设备 |
Non-Patent Citations (1)
Title |
---|
See also references of EP2958388A4 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106535262A (zh) * | 2016-11-16 | 2017-03-22 | 深圳互由科技有限公司 | 一种基于mcs值的动态调频方法 |
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US20150382355A1 (en) | 2015-12-31 |
EP2958388A1 (en) | 2015-12-23 |
CN105264992A (zh) | 2016-01-20 |
EP2958388A4 (en) | 2016-02-17 |
KR20150128918A (ko) | 2015-11-18 |
CN105264992B (zh) | 2019-06-18 |
EP2958388B1 (en) | 2017-09-20 |
US9801181B2 (en) | 2017-10-24 |
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