CN103582148A - Method and device for adjusting scheduling strategy and base station - Google Patents
Method and device for adjusting scheduling strategy and base station Download PDFInfo
- Publication number
- CN103582148A CN103582148A CN201210284655.7A CN201210284655A CN103582148A CN 103582148 A CN103582148 A CN 103582148A CN 201210284655 A CN201210284655 A CN 201210284655A CN 103582148 A CN103582148 A CN 103582148A
- Authority
- CN
- China
- Prior art keywords
- channel
- degree
- adjusting
- scheduling
- uplink
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000008859 change Effects 0.000 claims abstract description 58
- 238000001228 spectrum Methods 0.000 claims description 8
- 238000005516 engineering process Methods 0.000 abstract description 6
- 230000006870 function Effects 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 101000741965 Homo sapiens Inactive tyrosine-protein kinase PRAG1 Proteins 0.000 description 1
- 102100038659 Inactive tyrosine-protein kinase PRAG1 Human genes 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/18—Negotiating wireless communication parameters
- H04W28/22—Negotiating communication rate
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides a method and device for adjusting a scheduling strategy and a base station. The method includes the steps of obtaining the change degree of a channel, and adjusting the scheduling strategy of the base station according to the obtained change degree, wherein the scheduling strategy is used for indicating the sending velocity of downlink data and the matching degree of a downlink channel. According to the technical scheme, the technical problem that in a related technology, the change of the channel can not be taken into consideration by using the uniform scheduling strategy and other problems are solved, and therefore the downlink handling capacity is improved.
Description
Technical Field
The present invention relates to the field of communications, and in particular, to a method and an apparatus for adjusting a scheduling policy, and a base station.
Background
A key technology in a High Speed Downlink Packet Access (HSDPA) technology and a subsequent evolution HSPA + technology is a link adaptation technology, a user determines to use Quadrature Phase Shift Keying (QPSK), Quaternary Amplitude Modulation (QAM) (16 QAM) or octal QAM (64 QAM) Modulation according to a Channel Quality Indicator (CQI) reported by a terminal, in order to reduce the CQI measurement error and the influence of system delay loop on performance, a base station makes certain adjustments, and if the same adjustment strategy is uniformly adopted, the adjustments are likely to not follow up the change of a channel, thereby causing the reduction of throughput.
In view of the above problems in the related art, no effective solution has been proposed at present.
Disclosure of Invention
The invention provides a scheduling policy adjusting method, a scheduling policy adjusting device and a base station, aiming at the technical problems that the channel change cannot be considered by adopting a uniform adjusting policy in the related art, and the like, so as to at least solve the problems.
According to an aspect of the present invention, there is provided a method for adjusting a scheduling policy, including: acquiring the variation degree of a channel; and adjusting a scheduling strategy of the base station according to the obtained change degree, wherein the scheduling strategy is used for indicating the matching degree of the sending rate of the downlink data and the downlink channel.
Acquiring the variation degree of the channel, including: and estimating the variation degree of the channel through the uplink demodulation information.
The uplink demodulation message includes one of: the channel quality indicator CQI reported by User Equipment (UE), the spectrum spread of an uplink receiving signal, an uplink channel estimation value and the energy of an uplink received pilot signal.
Estimating the degree of change of the channel through the uplink demodulation information, comprising: acquiring the variance of uplink demodulation information or the absolute value of the difference between adjacent values; and estimating the change degree of the channel according to the variance or the absolute value of the difference.
Adjusting the scheduling strategy of the base station according to the obtained change degree, comprising: adjusting the CQI used for scheduling by adopting a corresponding target BLER or an outer ring control threshold according to the obtained change degree; and/or adjusting the transmitting power of the downlink data according to the obtained change degree.
After the scheduling policy of the base station is adjusted according to the obtained change degree, the method includes: and executing the adjusted scheduling strategy, and acquiring the block selection size, the code channel number, the modulation mode and the transmitting power of the downlink data.
According to another aspect of the present invention, there is provided an apparatus for adjusting a scheduling policy, including: the acquisition module is used for acquiring the change degree of the channel; and the adjusting module is used for adjusting the scheduling strategy of the base station according to the obtained change degree, wherein the scheduling strategy is used for indicating the matching degree of the sending rate of the downlink data and the downlink channel.
The acquiring module is configured to estimate a variation degree of the channel according to the uplink demodulation information.
The obtaining module is configured to estimate a variation degree of a channel through one of the following uplink demodulation messages: the channel quality indicator CQI reported by User Equipment (UE), the spectrum spread of an uplink receiving signal, an uplink channel estimation value and the energy of an uplink received pilot signal.
The above-mentioned acquisition module includes: the acquisition unit is used for acquiring the variance of the uplink demodulation information or the absolute value of the difference between adjacent values; and the estimation unit is used for estimating the change degree of the channel according to the variance or the absolute value of the difference.
The adjusting module is configured to adjust the CQI used for scheduling by using a corresponding target BLER or an outer loop control threshold according to the obtained change degree; and/or adjusting the transmitting power of the downlink data according to the obtained change degree.
According to still another aspect of the present invention, there is provided a base station including: the above-mentioned device
According to the invention, the technical means of adjusting the scheduling strategy of the base station according to the change degree of the channel is adopted, so that the technical problems that the channel change cannot be considered by adopting a uniform adjustment strategy and the like in the related technology are solved, and the downlink throughput is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is a flowchart of a scheduling policy adjustment method according to embodiment 1 of the present invention;
fig. 2 is a block diagram of a device for adjusting a scheduling policy according to embodiment 1 of the present invention;
fig. 3 is another block diagram of a device for adjusting a scheduling policy according to embodiment 1 of the present invention;
fig. 4 is a block diagram of a base station according to embodiment 1 of the present invention;
fig. 5 is a flowchart illustrating a scheduling policy adjustment method according to embodiment 2 of the present invention;
fig. 6 is a schematic structural diagram of a scheduling policy adjusting apparatus according to embodiment 2 of the present invention;
fig. 7 is a flowchart of a scheduling policy adjustment method according to embodiment 3 of the present invention;
fig. 8 is a flowchart of a scheduling policy adjustment method according to embodiment 4 of the present invention.
Detailed Description
The invention will be described in detail hereinafter with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
In consideration of the technical problems that in the related art, when there is fluctuation in a channel, the adjustment cannot keep up with the change of the channel due to uniformly adopting the same adjustment strategy, and the throughput is reduced, the following embodiments provide a technical scheme for adjusting the scheduling strategy of the base station according to the degree of the change of the channel. The method comprises the following specific steps:
example 1
Fig. 1 is a flowchart of a method for adjusting a scheduling policy according to embodiment 1 of the present invention. As shown in fig. 1, the method includes:
step S102, obtaining the variation degree of the channel;
and step S104, adjusting a scheduling strategy of the base station according to the obtained change degree, wherein the scheduling strategy is used for indicating the matching degree of the sending rate of the downlink data and the downlink channel.
By adopting the processing steps, the scheduling strategy of the base station can be adjusted according to the change degree of the channel, so that the sending rate of the downlink data can be better matched with the downlink channel, and the downlink throughput is provided.
The method for acquiring the channel variation degree may be various, for example, the channel variation degree may be obtained by receiving the channel variation degree sent by the third-party device, or may be acquired locally, and for the latter, the channel variation degree may be estimated through the uplink demodulation information.
The uplink demodulation message includes, but is not limited to, one of the following: CQI reported by UE, spectrum spread of uplink received signals, uplink channel estimation value and energy of uplink received pilot signals.
When the degree of change of the channel is estimated through the uplink demodulation information, the degree of change can be realized through a variance or a difference absolute value of adjacent values, and specifically, the variance or the difference absolute value of the adjacent values of the uplink demodulation information is obtained; and estimating the change degree of the channel according to the obtained variance or the absolute value of the difference.
The step S104 of adjusting the scheduling policy of the base station according to the obtained change degree may include the following processing procedures: adjusting the CQI used for scheduling by adopting a corresponding target BLER or an outer ring control threshold according to the obtained change degree; and/or adjusting the transmitting power of the downlink data according to the obtained change degree.
After the processing procedure of step S104 is executed, the adjusted scheduling policy needs to be executed, and the block size, the number of code channels, the modulation mode, and the transmission power of the downlink data are obtained. Therefore, the sending rate of the downlink data is matched with the downlink channel, and the downlink throughput is improved.
In this embodiment, a device for adjusting a scheduling policy is further provided, which is used to implement the foregoing embodiments and preferred embodiments, and details of the foregoing description are omitted, and a description is provided below for modules involved in the device. As used below, the term "module" may be a combination of software and/or hardware that implements a predetermined function. Although the means described in the embodiments below are preferably implemented in software, an implementation in hardware, or a combination of software and hardware is also possible and contemplated. Fig. 2 is a block diagram of a device for adjusting a scheduling policy according to embodiment 1 of the present invention. As shown in fig. 2, the apparatus includes:
an obtaining module 20 connected to the adjusting module 22 for obtaining the variation degree of the channel;
and an adjusting module 22, configured to adjust a scheduling policy of the base station according to the obtained change degree, where the scheduling policy is used to indicate a matching degree between a sending rate of downlink data and a downlink channel.
Through the function realized by the processing module, the scheduling strategy of the base station can be adjusted according to the change degree of the channel, so that the sending rate of the downlink data can be better matched with the downlink channel, and the downlink throughput is provided
Corresponding to the above method embodiment, the obtaining module 20 is further configured to estimate a variation degree of a channel through uplink demodulation information. In this case, the obtaining module 20 estimates the variation degree of the channel through one of the following uplink demodulation messages: CQI reported by UE, spectrum spread of uplink received signals, uplink channel estimation value and energy of uplink received pilot signals.
In a preferred implementation process of this embodiment, as shown in fig. 3, the obtaining module 20 includes: an obtaining unit 200, connected to the estimating unit 202, for obtaining a variance of the uplink demodulation information or a difference absolute value of adjacent values; an estimating unit 202, configured to estimate a degree of change of the channel according to the variance or the absolute value of the difference.
In this embodiment, the adjusting module 22 is configured to adjust the CQI used for scheduling by using a corresponding target BLER or an outer-loop control threshold according to the obtained variation degree; and/or adjusting the transmitting power of the downlink data according to the obtained change degree.
In this embodiment, there is further provided a base station, as shown in fig. 4, including: the adjusting device of the scheduling policy in the above embodiment. Therefore, the base station can adjust the scheduling strategy of the base station according to the function of each module in the device and the change degree of the channel.
Example 2
The embodiment relates to a scheme for improving downlink throughput of an HSDPA (high speed packet access) and a high speed packet access evolution (HSPA +) system. The purpose of this embodiment is to adjust the corresponding scheduling policy according to the channel variation degree, thereby improving the downlink throughput. The core idea of this embodiment is to estimate the degree of change of the current channel through the demodulation information of the uplink history, and adjust the corresponding scheduling policy according to the degree of change of the channel, thereby improving the throughput of the HSDPA terminal.
As shown in fig. 5, the scheduling policy adjusting method of this embodiment includes:
in step S502, the base station estimates the degree of change of the channel through uplink demodulation information, where the uplink demodulation information may be a CQI reported by the UE, or a spectrum spread of an uplink received signal, or an uplink channel estimation value, or an energy of an uplink received pilot signal, and the degree of change of the channel is estimated by calculating a variance of a history value or a modulus (absolute value) of a difference between adjacent values.
Step S504, the base station adjusts the corresponding scheduling policy according to the degree of channel change, the degree of channel change is different, the corresponding scheduling policy is different, for example, according to the degree of channel change, CQI used for scheduling can be adjusted by adopting different target BLERs or different outer-loop control thresholds, etc., or downlink transmitting power can be adjusted according to the degree of channel change to improve decoding performance, etc.;
step S506, executing a scheduling strategy to obtain the size of a downlink selected block, the number of code channels, a modulation mode and transmitting power;
the embodiment also provides a scheduling policy adjusting device, which is used for implementing the method. As shown in fig. 6, the apparatus comprises the following modules:
a channel variation estimation module 60, connected to the adjustment module 62, for estimating the variation degree of the current channel, calculating the variance of the historical uplink demodulation information or the module value (absolute value) of the difference between adjacent values, and thereby estimating the variation degree of the channel, where the uplink demodulation information may be CQI reported by the UE, or spectrum spreading of the uplink received signal, or an uplink channel estimation value, or energy of the uplink received signal. (ii) a
An adjusting module 62, connected to the scheduling module 64, for adjusting corresponding scheduling policies according to the degree of channel change, where the degree of channel change is different, and the corresponding scheduling policies are different, for example, different target BLERs or different outer-loop control thresholds may be used to adjust the CQI used for scheduling according to the degree of channel change, or downlink transmit power may be adjusted according to the degree of channel change to improve decoding performance;
the scheduling module 64 performs data scheduling according to the corresponding scheduling policy to obtain the block size, the number of code channels, the modulation mode, and the transmission power of a High speed downlink Shared Channel (HS-DSCH).
Example 3
In this embodiment, the variation degree of the channel is estimated according to the CQI reported by the UE, and different outer loop control parameters are adopted according to the variation degree of the channel. As shown in fig. 7, the scheduling policy adjusting method provided in this embodiment includes the following steps:
step S702, the base station decodes to obtain the CQI reported by the UE, calculates the variance of the historical CQI, sets L to represent the number of the recorded historical CQIs, and calculates as follows:
step S704, adjust the parameters of the outer loop control according to the variance, and perform the outer loop control according to the ACK/NACK fed back by the UE, where the parameters may be the threshold of the outer loop control or the target BLER.
a. The threshold of the outer-loop control is assumed to be [ M, N ], the adjustment is as follows according to the variance, [ M ', N' ] is the actually used outer-loop control threshold:
[M′，N′]＝[f(σ)*M，g(σ)xN]
wherein the f function and the g function may be the same or different. For example, the following function may be taken:
here, a is a threshold, for example, a =1, or 1.2, etc., where the function is equivalent to a switch, and when the function is greater than or equal to a, the threshold is closed, the CQI reported by the UE is directly used for scheduling, and when the function is less than a, a default outer-loop control threshold is used. The outer ring control threshold can be continuously and smoothly adjusted, and the last outer ring control threshold is adjusted by using the corresponding f function and g function;
b. target BLER, using different target BLERs, BLERs according to variancetargetIs a default target BLER, BLER'targetIs the target BLER actually used for scheduling, as follows:
BLER′target＝BLERtarget*f(σ)
wherein, <math>
<mrow>
<mi>f</mi>
<mrow>
<mo>(</mo>
<mi>σ</mi>
<mo>)</mo>
</mrow>
<mo>=</mo>
<mfenced open='{' close=''>
<mtable>
<mtr>
<mtd>
<mn>0.5</mn>
<mo>,</mo>
</mtd>
<mtd>
<mi>ifσ</mi>
<mo><</mo>
<mi>A</mi>
</mtd>
</mtr>
<mtr>
<mtd>
<mn>1</mn>
<mo>,</mo>
</mtd>
<mtd>
<mi>ifA</mi>
<mo>≤</mo>
<mi>σ</mi>
<mo><</mo>
<mi>B</mi>
</mtd>
</mtr>
<mtr>
<mtd>
<mn>2</mn>
<mo>,</mo>
</mtd>
<mtd>
<mi>else</mi>
</mtd>
</mtr>
</mtable>
</mfenced>
</mrow>
</math>
here, both a and B are thresholds, when the variance is small, it indicates that the channel is stable, and a relatively low target BLER may be used, and when the variance is large, it indicates that the channel variation is large, and a relatively high target BLER needs to be used.
Step S706, performing downlink data scheduling, determining downlink transmission block, code channel number, modulation mode and transmitting power according to the previously adjusted strategy, and performing data transmission.
Example 4
As shown in fig. 8, the method for adjusting a scheduling policy provided in this embodiment includes:
step S802, obtaining channel estimation values of the uplink pilot frequency, and calculating a mode value (absolute value) of a difference between two adjacent channel estimation values, where L is the number of recorded channel estimation values.
Step S804, according to the mu, the CQI is adjusted more quickly for the channel with larger fluctuation, which is beneficial to adapting to the channel more quickly, thereby improving the throughput.
Step S806, according to the adjusted CQI, the downlink data scheduling is carried out, and the downlink block selection size, the code channel number, the modulation mode and the transmitting power are obtained.
In this embodiment, in addition to using the variance, the degree of channel change may be determined by using a module value (absolute value) of the adjacent difference, different adjustment strategies may be adopted according to fluctuation conditions of the channel, and besides adjusting the threshold and the step size of the outer loop control and the target BLER, the CQI, the size of the selected block (TBsize) selected by scheduling, the downlink transmission power, and the like may be adjusted, so as to improve the performance by using these methods.
In this embodiment, the base station estimates the channel variation degree through the uplink demodulation information, and adjusts the corresponding scheduling policy according to the channel variation degree, so that the sending rate is better matched with the wireless channel, thereby improving the downlink throughput.
In another embodiment, a software is provided, which is used to execute the technical solutions described in the above embodiments and preferred embodiments.
In another embodiment, a storage medium is provided, in which the software is stored, and the storage medium includes but is not limited to: optical disks, floppy disks, hard disks, erasable memory, etc.
It will be apparent to those skilled in the art that the modules or steps of the present invention described above may be implemented by a general purpose computing device, they may be centralized on a single computing device or distributed across a network of multiple computing devices, and alternatively, they may be implemented by program code executable by a computing device, such that they may be stored in a storage device and executed by a computing device, and in some cases, the steps shown or described may be performed in an order different than that described herein, or they may be separately fabricated into individual integrated circuit modules, or multiple ones of them may be fabricated into a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. A method for adjusting a scheduling policy, comprising:
acquiring the variation degree of a channel;
and adjusting a scheduling strategy of the base station according to the obtained change degree, wherein the scheduling strategy is used for indicating the matching degree of the sending rate of the downlink data and the downlink channel.
2. The method of claim 1, wherein obtaining the degree of channel variation comprises:
and estimating the variation degree of the channel through the uplink demodulation information.
3. The method of claim 2, wherein the uplink demodulation message comprises one of:
the channel quality indicator CQI reported by the user equipment UE, the spectrum spread of the uplink receiving signal, the uplink channel estimation value and the energy of the uplink receiving pilot signal.
4. The method of claim 2, wherein estimating the degree of channel variation from the uplink demodulation information comprises:
acquiring the variance of the uplink demodulation information or the absolute value of the difference between adjacent values;
and estimating the change degree of the channel according to the variance or the absolute value of the difference.
5. The method of claim 1, wherein adjusting the scheduling policy of the base station according to the obtained degree of change comprises:
adjusting the CQI used for scheduling by adopting a corresponding target BLER or an outer ring control threshold according to the obtained change degree; and/or
And adjusting the transmitting power of the downlink data according to the acquired change degree.
6. The method according to any one of claims 1 to 5, wherein after adjusting the scheduling policy of the base station according to the obtained degree of change, the method comprises:
and executing the adjusted scheduling strategy, and acquiring the block selection size, the code channel number, the modulation mode and the transmitting power of the downlink data.
7. An apparatus for adjusting a scheduling policy, comprising:
the acquisition module is used for acquiring the change degree of the channel;
and the adjusting module is used for adjusting a scheduling strategy of the base station according to the acquired change degree, wherein the scheduling strategy is used for indicating the matching degree of the sending rate of the downlink data and the downlink channel.
8. The apparatus of claim 7, wherein the obtaining module is configured to estimate a variation degree of the channel through uplink demodulation information.
9. The apparatus of claim 8, wherein the obtaining module is configured to estimate the degree of channel variation through one of the following uplink demodulation messages:
the channel quality indicator CQI reported by the user equipment UE, the spectrum spread of the uplink receiving signal, the uplink channel estimation value and the energy of the uplink receiving pilot signal.
10. The apparatus of claim 8, wherein the obtaining module comprises:
an obtaining unit, configured to obtain a variance of the uplink demodulation information or an absolute value of a difference between adjacent values;
and the estimation unit is used for estimating the change degree of the channel according to the variance or the absolute value of the difference.
11. The apparatus of claim 7, wherein the adjusting module is configured to adjust the CQI used for scheduling by using a corresponding target BLER or an outer loop control threshold according to the obtained change degree; and/or adjusting the transmitting power of the downlink data according to the obtained change degree.
12. A base station, comprising: the device of any one of claims 7-11.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210284655.7A CN103582148A (en) | 2012-08-10 | 2012-08-10 | Method and device for adjusting scheduling strategy and base station |
| PCT/CN2013/080933 WO2014023225A1 (en) | 2012-08-10 | 2013-08-06 | Scheduling policy adjustment method and apparatus, and base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210284655.7A CN103582148A (en) | 2012-08-10 | 2012-08-10 | Method and device for adjusting scheduling strategy and base station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103582148A true CN103582148A (en) | 2014-02-12 |
Family
ID=50052795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210284655.7A Pending CN103582148A (en) | 2012-08-10 | 2012-08-10 | Method and device for adjusting scheduling strategy and base station |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103582148A (en) |
| WO (1) | WO2014023225A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018133802A1 (en) * | 2017-01-17 | 2018-07-26 | 北京佰才邦技术有限公司 | Resource scheduling method, and base station and terminal |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101420288A (en) * | 2007-10-26 | 2009-04-29 | 中兴通讯股份有限公司 | Channel quality monitoring method for high-speed downlink packet access service |
| CN101437284A (en) * | 2008-12-24 | 2009-05-20 | 华为技术有限公司 | Method, apparatus and system for determining emission power of physical down link sharing channel |
| WO2011065508A1 (en) * | 2009-11-30 | 2011-06-03 | 株式会社エヌ・ティ・ティ・ドコモ | Mobile station device, base station device, mimo system, and data transmission method |
| CN102104944A (en) * | 2009-12-17 | 2011-06-22 | 电信科学技术研究院 | Space division judgment method and base station |
| CN102215086A (en) * | 2010-04-09 | 2011-10-12 | 中兴通讯股份有限公司 | Channel quality indicator feedback method and device |
| CN102237971A (en) * | 2010-04-28 | 2011-11-09 | 中兴通讯股份有限公司 | Data transmission rate regulation method and device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101106403B (en) * | 2007-03-01 | 2011-07-20 | 华为技术有限公司 | A method and device for adjusting transmission power of HSPA downlink physical channel |
| US8917598B2 (en) * | 2007-12-21 | 2014-12-23 | Qualcomm Incorporated | Downlink flow control |
-
2012
- 2012-08-10 CN CN201210284655.7A patent/CN103582148A/en active Pending
-
2013
- 2013-08-06 WO PCT/CN2013/080933 patent/WO2014023225A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101420288A (en) * | 2007-10-26 | 2009-04-29 | 中兴通讯股份有限公司 | Channel quality monitoring method for high-speed downlink packet access service |
| CN101437284A (en) * | 2008-12-24 | 2009-05-20 | 华为技术有限公司 | Method, apparatus and system for determining emission power of physical down link sharing channel |
| WO2011065508A1 (en) * | 2009-11-30 | 2011-06-03 | 株式会社エヌ・ティ・ティ・ドコモ | Mobile station device, base station device, mimo system, and data transmission method |
| CN102104944A (en) * | 2009-12-17 | 2011-06-22 | 电信科学技术研究院 | Space division judgment method and base station |
| CN102215086A (en) * | 2010-04-09 | 2011-10-12 | 中兴通讯股份有限公司 | Channel quality indicator feedback method and device |
| CN102237971A (en) * | 2010-04-28 | 2011-11-09 | 中兴通讯股份有限公司 | Data transmission rate regulation method and device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018133802A1 (en) * | 2017-01-17 | 2018-07-26 | 北京佰才邦技术有限公司 | Resource scheduling method, and base station and terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014023225A1 (en) | 2014-02-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9288766B2 (en) | Method and arrangement for uplink power control | |
| EP2090013B1 (en) | Signal transmission in a wireless communication system | |
| US8873485B2 (en) | Mobile station apparatus, base station apparatus, communication system, communication method and control program | |
| JP5281688B2 (en) | Interference reduction in communication networks by scheduling and link adaptation | |
| CN101146354B (en) | Uplink communication method and radio terminal in radio communication system | |
| JP3753698B2 (en) | Wireless transmission apparatus and transmission rate determination method | |
| JP5718273B2 (en) | Using codewords in wireless communication systems | |
| CN102804892B (en) | Radio communication apparatuses and radio communication method | |
| US8848634B2 (en) | Base station apparatus, radio communication system, control method of base station, and control method of radio communication system | |
| EP2449714B1 (en) | Adjusting channel quality report in a wireless communication network | |
| US9871642B2 (en) | Enabling higher-order modulation in a cellular network | |
| CN101098518A (en) | Wireless base station apparatus and wireless communication control method | |
| WO2014084029A1 (en) | Base station, processor, communication control method and user terminal | |
| JP2014502088A5 (en) | ||
| US20140106801A1 (en) | Transceiver operating in a wireless communications network, a system and method for transmission in the network | |
| GB2491222A (en) | Transmission parameters based on CQI and subsequent transmission size | |
| JP5089754B2 (en) | Mobile communication system, base station, and transmission power control method | |
| JP5695737B2 (en) | Method and apparatus for determining effective signal-to-noise ratio | |
| KR20150020413A (en) | Method and apparatus for estimating channel information | |
| CN103582148A (en) | Method and device for adjusting scheduling strategy and base station | |
| JP2010087634A (en) | Mobile station, wireless base station, and mobile communication method | |
| EP2557862B1 (en) | Joint power control method in multi-user multiplexing technique and apparatus thereof | |
| CN104039002B (en) | data transmission method, terminal device, base station and communication system | |
| JP5569646B2 (en) | Reception quality estimation apparatus, reception quality estimation method, reception quality estimation program, and radio communication apparatus | |
| CN116827490A (en) | Signal detection method and device and electronic equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140212 |
|
| WD01 | Invention patent application deemed withdrawn after publication |