CN101616456B - Method and device for uniform scheduling in uplink power control - Google Patents

Method and device for uniform scheduling in uplink power control Download PDF

Info

Publication number
CN101616456B
CN101616456B CN200910160827A CN200910160827A CN101616456B CN 101616456 B CN101616456 B CN 101616456B CN 200910160827 A CN200910160827 A CN 200910160827A CN 200910160827 A CN200910160827 A CN 200910160827A CN 101616456 B CN101616456 B CN 101616456B
Authority
CN
China
Prior art keywords
user terminal
uniform dispatching
information
resource block
block size
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.)
Active
Application number
CN200910160827A
Other languages
Chinese (zh)
Other versions
CN101616456A (en
Inventor
魏巍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rizhao Luli Construction Engineering Co.,Ltd.
Original Assignee
ZTE Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ZTE Corp filed Critical ZTE Corp
Priority to CN200910160827A priority Critical patent/CN101616456B/en
Priority to PCT/CN2009/075804 priority patent/WO2011009272A1/en
Publication of CN101616456A publication Critical patent/CN101616456A/en
Application granted granted Critical
Publication of CN101616456B publication Critical patent/CN101616456B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/12Wireless traffic scheduling
    • H04W72/1263Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

Abstract

In order to uniformly schedule all grouped user terminals (UT) by the same scheduling information as possible, the invention provides a method for uniform scheduling in uplink power control, which comprises the following steps: setting a grouping strategy for a plurality of user terminals; grouping the plurality of user terminals according to the grouping strategy so as to uniformly schedule each group; setting the size of resource blocks used for communication for uniformly scheduling information corresponding to each group; and sending corresponding uniformly scheduling information to the user terminals in each group. Besides, the invention also provides a device for uniform scheduling in uplink power control. Therefore, on the premise of not influencing the efficiency of the uplink power control, system overhead is effectively reduced through the decrease of the scheduling information.

Description

The method and apparatus of uniform dispatching in the up-link power control
Technical field
The present invention relates to wireless communication field, more specifically, relate to the method and apparatus of uniform dispatching in a kind of up-link power control.
Background technology
In follow-on broadband wireless communication network, solving in the cordless communication network presence of intercell interference becomes a key factor that improves inter-cell user terminal (UT) throughput and average user terminal (UT) throughput and is faced with formidable challenges.
At present, the person limits out methods such as employing interference randomization, interference coordination, interference eliminated to solve the problem of presence of intercell interference in IEEE 802.16j, IMT-Advanced, WINNER.Third generation partner program (3rd Generation Partnership Project; 3GPP) Long Term Evolution (Long Term Evolution; LTE) proposed in to use and had base station (BaseStation; BS) method of the Inter-Cell Interference Coordination of cooperation reduces interference between, and up-link power control is one of key technology wherein.Adjust for each user terminal (UT) in the up-link power control among the current 3GPP LTE; The parameter that wherein need adjust comprises a lot; Such as, road loss compensation factor, power excursion or the like; When user terminal in the system (UT) number is very big, can cause bigger overhead.
Among the present invention; Provide a kind of and in up-link power control, passed through channel quality information (Channel Quality Information; CQI), service quality (Quality of Service, QoS), service priority message produces the user terminal of the control signaling with the control of same uplink power (User Terminal UT) divides into groups; Use identical as far as possible schedule information to carry out uniform dispatching to all user terminals (UT) in dividing into groups; Under the prerequisite that does not influence the up-link power control efficiency,, effectively reduce the expense of system through the minimizing of schedule information.
Summary of the invention
For to using identical as far as possible schedule information to carry out uniform dispatching through all user terminals (UT) that divide into groups, the present invention proposes the method for uniform dispatching in a kind of up-link power control, may further comprise the steps: the grouping strategy that a plurality of user terminals are set; According to grouping strategy a plurality of user terminals are divided into groups, so that each group is carried out uniform dispatching; The Resource Block size that is used to communicate by letter for uniform dispatching information setting corresponding to each group; User terminal in each group sends corresponding uniform dispatching information.
Wherein, the described step that the grouping strategy of a plurality of user terminals is set comprises: set to divide a set condition, with the user terminal branch that will have identical or close parameter in same group.
Wherein, described setting divide set condition comprise in the following condition one of at least: channel quality information CQI comparison threshold value is set; The service quality QoS comparison threshold value is set; And setting is corresponding to the service priority of a plurality of user terminals.
Wherein, described setting divides set condition to comprise: channel quality information CQI comparison threshold value is set; The service quality QoS comparison threshold value is set; And setting is corresponding to the service priority of a plurality of user terminals.
Wherein, describedly a plurality of user terminals are divided into groups to comprise: a plurality of user terminals are divided into a plurality of CQI set according to the CQI comparison threshold value according to grouping strategy; According to QoS the water threshold value is divided into a plurality of QoS subclass with the user terminal in each CQI set; And the user terminal in each QoS subclass is divided into a plurality of service priority subclass according to service priority.
Wherein, according to the user terminal in the Resource Block size Selection CQI set, to send corresponding uniform dispatching information to selected user terminal.
Wherein, when uniform dispatching information with to the shared size sum of the distinctive schedule information at selected user terminal during greater than the Resource Block size, the user terminal of the part subclass from the CQI set in a plurality of service priority subclass of deletion.
Wherein, when the shared size of uniform dispatching information and distinctive schedule information during greater than the Resource Block size, the user terminal of the part subclass from the CQI set in a plurality of QoS subclass of deletion.
Wherein, when the shared size of uniform dispatching information and distinctive schedule information during, revise the Resource Block size, and again amended Resource Block size and above-mentioned shared size are compared greater than the Resource Block size.
Wherein, when the shared size of uniform dispatching information and distinctive schedule information during, carry out size and fill less than the Resource Block size.
Wherein, Send in the step of corresponding uniform dispatching information at the user terminal in each group; Also comprise: uniform dispatching information and the distinctive schedule information to each specific user terminal are merged into the merging schedule information, uniform dispatching information is sent to each specific user terminal with merging schedule information.
In addition, the invention allows for the device of uniform dispatching in a kind of up-link power control, comprising: grouping strategy is provided with module, is used to be provided with the grouping strategy of a plurality of user terminals; Grouping module is used for according to grouping strategy a plurality of user terminals being divided into groups, so that each group is carried out uniform dispatching; The Resource Block size is provided with module, is used to the Resource Block size that the uniform dispatching information setting corresponding to each group is used to communicate by letter; Sending module is used for sending corresponding uniform dispatching information to the user terminal of each group.
The present invention passes through channel quality information (ChannelQuality Information in up-link power control; CQI), service quality (Quality of Service; QoS), service priority message produces user terminal (the User Terminal of the control signaling with the control of same uplink power; UT) divide into groups, use identical as far as possible schedule information to carry out uniform dispatching to all user terminals (UT) in dividing into groups, under the prerequisite that does not influence the up-link power control efficiency; Through the minimizing of schedule information, effectively reduce the expense of system.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute qualification of the present invention.In the accompanying drawings:
Fig. 1 is the first half according to the flow chart of the method for uniform dispatching in the up-link power control of the present invention.
Fig. 2 is according to the latter half of the flow chart of the method for uniform dispatching in the up-link power control of the present invention (in one page, being difficult to show whole flow charts, so divide two figure to show).
Fig. 3 is the block diagram according to the device of uniform dispatching in the up-link power control of the present invention.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The present invention relates to cordless communication network; Relate in particular to a kind of user terminal (UT) grouping that in up-link power control, produces control signaling with the control of same uplink power through channel quality channel (CQI), service quality (QoS), service priority message; Use identical as far as possible schedule information to carry out uniform dispatching to all user terminals (UT) in dividing into groups; Under the prerequisite that does not influence the up-link power control efficiency; Through the minimizing of schedule information, effectively reduce the expense of system.
Fig. 1 is that the practical implementation step is following according to the flow chart of the method for uniform dispatching in the up-link power control of the present invention:
Step 101: base station (BS) is provided with channel quality information (CQI) comparison threshold value, and initialization;
Step 102: base station (BS) is provided with service quality (QoS) comparison threshold value, and initialization;
Step 103: base station (BS) is provided with service priority;
Step 104: base station (BS) is divided into the set of channel quality information (CQI) homogeneity according to channel quality information (CQI) comparison threshold value with user terminal (UT);
Step 105: base station (BS) classifies to the user terminal (UT) in the set of each channel quality information (CQI) homogeneity according to service quality (QoS) sign, generates user terminal (UT) service quality (QoS) homogeneity subclass;
Step 106: base station (BS) classifies to service quality (QoS) homogeneity subclass according to service priority, forms service priority homogeneity subclass;
Step 107: base station (BS) is provided with the Resource Block size that transmits uniform dispatching information;
Step 108: base station (BS) is according to the user terminal (UT) in the set of uniform dispatching information resources piece size Selection channel quality information (CQI) homogeneity.
Below as shown in Figure 2, step 109 when the shared Resource Block size of the uniform dispatching information of the user terminal of selecting (UT) and distinctive schedule information during greater than the Resource Block size that is provided with in advance, forwards step 110 to, otherwise, forward step 114 to;
Step 110: base station (BS) user terminal (UT) of deletion service priority homogeneity subclass from channel quality information (CQI) homogeneity set;
Step 111: the shared Resource Block size of the uniform dispatching information of the user terminal of selection (UT) and distinctive schedule information forwards step 112 to, otherwise forwards step 114 to during greater than the Resource Block size that is provided with in advance;
Step 112: base station (BS) be the user terminal (UT) in the set of deletion service quality (QoS) homogeneity from the set of channel quality information (CQI) homogeneity;
Step 113: the shared Resource Block size of the uniform dispatching information of the user terminal of selection (UT) and distinctive schedule information forwards step 115 to, otherwise forwards step 114 to during greater than the Resource Block size that is provided with in advance;
Step 114: base station (BS) revises the uniform dispatching Resource Block size that is provided with in advance, and returns step 8;
Step 115: base station (BS) fills less than the department of the Resource Block size that is provided with in advance the uniform dispatching information and the shared Resource Block of distinctive schedule information of the user terminal (UT) of selection;
Step 116: base station (BS) merges the final uniform dispatching information of formation to the uniform dispatching information and the distinctive schedule information of the user terminal (UT) of selection;
Step 117: base station (BS) notifies the uniform dispatching information of the user terminal (UT) of all uniform dispatching.
As shown in Figure 3, be the block diagram of the device of uniform dispatching in the up-link power control according to the present invention.Wherein, comprising: grouping strategy is provided with module, is used to be provided with the grouping strategy of a plurality of user terminals; Grouping module is used for according to grouping strategy to a plurality of user terminals divide into groups (group 1, group 2), so that each group is carried out uniform dispatching; The Resource Block size is provided with module, is used to the Resource Block size that the uniform dispatching information setting corresponding to each group is used to communicate by letter; Sending module is used for sending corresponding uniform dispatching information to the user terminal of each group.
Adopt the method for the invention and device; Compared with prior art; In up-link power control, produce user terminal (UT) grouping of control signaling with the control of same uplink power through channel quality information (CQI), service quality (QoS), service priority message; Use identical as far as possible schedule information to carry out uniform dispatching to all user terminals (UT) in dividing into groups; Under the prerequisite that does not influence the up-link power control efficiency,, effectively reduce the expense of system through the minimizing of schedule information.
Setting through channel quality information (CQI) homogeneity user terminal (UT) set, service quality (QoS) homogeneity user terminal (UT) subclass, service priority homogeneity user terminal (UT) subclass; The user terminal (UT) of having guaranteed each uniform dispatching has identical characteristic, helps improving the efficient of up-link power control uniform dispatching.
The uniform dispatching Resource Block size that is provided with in advance its objective is user terminal (UT) number in order to limit uniform dispatching, prevents that user terminal (UT) number of uniform dispatching is too much, brings bigger overhead.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (12)

1. the method for uniform dispatching is characterized in that during a up-link power was controlled, and may further comprise the steps:
The grouping strategy of a plurality of user terminals is set;
According to said grouping strategy said a plurality of user terminals are divided into groups, so that each group is carried out uniform dispatching;
The Resource Block size that is used to communicate by letter for uniform dispatching information setting corresponding to said each group;
User terminal in said each group sends corresponding uniform dispatching information.
2. method according to claim 1 is characterized in that, the described step that the grouping strategy of a plurality of user terminals is set comprises:
Set to divide a set condition, with the user terminal branch that will have identical or close parameter in same group.
3. method according to claim 2 is characterized in that, described setting divide set condition comprise in the following condition one of at least:
Channel quality information CQI comparison threshold value is set;
The service quality QoS comparison threshold value is set; And
Setting is corresponding to the service priority of said a plurality of user terminals.
4. method according to claim 2 is characterized in that, described setting divides set condition to comprise:
Channel quality information CQI comparison threshold value is set;
The service quality QoS comparison threshold value is set; And
Setting is corresponding to the service priority of said a plurality of user terminals.
5. method according to claim 4 is characterized in that, describedly according to said grouping strategy said a plurality of user terminals is divided into groups to comprise:
According to said CQI comparison threshold value said a plurality of user terminals are divided into a plurality of CQI set;
According to said QoS comparison threshold value the user terminal in each said CQI set is divided into a plurality of QoS subclass; And
According to said service priority the user terminal in each said QoS subclass is divided into a plurality of service priority subclass.
6. method according to claim 5 is characterized in that:
According to the user terminal in the said Resource Block size Selection CQI set, to send corresponding uniform dispatching information to selected user terminal.
7. method according to claim 6 is characterized in that:
When said uniform dispatching information with to the shared size sum of the distinctive schedule information at selected user terminal during greater than said Resource Block size, the user terminal of the part subclass from said CQI set in a plurality of service priority subclass of deletion.
8. method according to claim 6 is characterized in that:
When the shared size of said uniform dispatching information and distinctive schedule information during greater than said Resource Block size, the user terminal of the part subclass from said CQI set in the said a plurality of QoS subclass of deletion.
9. method according to claim 6 is characterized in that:
When the shared size of said uniform dispatching information and distinctive schedule information during, revise said Resource Block size, and again amended Resource Block size and said shared size are compared greater than said Resource Block size.
10. method according to claim 6 is characterized in that:
When the shared size of said uniform dispatching information and distinctive schedule information during, carry out size and fill less than said Resource Block size.
11., it is characterized in that according to the described method of above arbitrary claim, send in the step of corresponding uniform dispatching information at said user terminal in said each group, also comprise:
Said uniform dispatching information and the distinctive schedule information to each specific user terminal are merged into the merging schedule information,
Said uniform dispatching information is sent to said each specific user terminal with said merging schedule information.
12. the device of uniform dispatching is characterized in that during a up-link power was controlled, and comprising:
Grouping strategy is provided with module, is used to be provided with the grouping strategy of a plurality of user terminals;
Grouping module is used for according to said grouping strategy said a plurality of user terminals being divided into groups, so that each group is carried out uniform dispatching;
The Resource Block size is provided with module, is used to the Resource Block size that the uniform dispatching information setting corresponding to said each group is used to communicate by letter;
Sending module is used for sending corresponding uniform dispatching information to the user terminal of said each group.
CN200910160827A 2009-07-24 2009-07-24 Method and device for uniform scheduling in uplink power control Active CN101616456B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN200910160827A CN101616456B (en) 2009-07-24 2009-07-24 Method and device for uniform scheduling in uplink power control
PCT/CN2009/075804 WO2011009272A1 (en) 2009-07-24 2009-12-21 Uniform schedule method and device in uplink power control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200910160827A CN101616456B (en) 2009-07-24 2009-07-24 Method and device for uniform scheduling in uplink power control

Publications (2)

Publication Number Publication Date
CN101616456A CN101616456A (en) 2009-12-30
CN101616456B true CN101616456B (en) 2012-09-05

Family

ID=41495773

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200910160827A Active CN101616456B (en) 2009-07-24 2009-07-24 Method and device for uniform scheduling in uplink power control

Country Status (2)

Country Link
CN (1) CN101616456B (en)
WO (1) WO2011009272A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102378386B (en) * 2011-12-14 2014-01-08 吉林大学 Wireless resource scheduling method of LTE (Long Term Evolution) uplink
US9220070B2 (en) * 2012-11-05 2015-12-22 Google Technology Holdings LLC Method and system for managing transmit power on a wireless communication network
CN104125588B (en) * 2014-08-13 2017-09-29 武汉邮电科学研究院 A kind of method and device of LTE system uplink power control
KR20170092553A (en) * 2014-12-02 2017-08-11 엘지전자 주식회사 Method and apparatus for transmitting a control channel based on hybrid beamforming in a wireless communication system
CN110012456B (en) * 2019-02-21 2022-03-04 广州广哈通信股份有限公司 Method and device for dynamically switching scheduling group affiliation relationship of scheduling terminal

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101039505A (en) * 2006-03-15 2007-09-19 朗迅科技公司 Method for dispatching data transmission of multi-carrier wireless communication system
CN101175308A (en) * 2006-11-01 2008-05-07 株式会社Ntt都科摩 Ascending link resource scheduling method in honeycomb communication system
CN101218775A (en) * 2005-09-30 2008-07-09 华为技术有限公司 Multi-user access system MIMO-OFDM resource distributing method
CN101375618A (en) * 2005-12-28 2009-02-25 株式会社Ntt都科摩 Base station deice and packet scheduling method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101034923A (en) * 2006-03-07 2007-09-12 松下电器产业株式会社 Packet scheduling method and system for multi-antenna radio communication system
KR100849327B1 (en) * 2007-02-09 2008-07-29 삼성전자주식회사 Group scheduling method and apparatus to improve radio resource efficiency and fairness under distributed antenna system with frequency reuse and joint power control
CN101459956B (en) * 2007-12-10 2012-01-11 电信科学技术研究院 Load control method and apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101218775A (en) * 2005-09-30 2008-07-09 华为技术有限公司 Multi-user access system MIMO-OFDM resource distributing method
CN101375618A (en) * 2005-12-28 2009-02-25 株式会社Ntt都科摩 Base station deice and packet scheduling method
CN101039505A (en) * 2006-03-15 2007-09-19 朗迅科技公司 Method for dispatching data transmission of multi-carrier wireless communication system
CN101175308A (en) * 2006-11-01 2008-05-07 株式会社Ntt都科摩 Ascending link resource scheduling method in honeycomb communication system

Also Published As

Publication number Publication date
WO2011009272A8 (en) 2011-03-03
CN101616456A (en) 2009-12-30
WO2011009272A1 (en) 2011-01-27

Similar Documents

Publication Publication Date Title
CN106488544B (en) Uplink power control method, network node and system
KR102219746B1 (en) Method and apparatus for transmitting downlink control information
RU2539329C2 (en) Uplink scheduling support in multi-carrier wireless communication systems
CN101340711B (en) Scheduling information uploading method for multi-carrier reinforced uplink access system
CN105515721B (en) Bit digit indication method and device
CN105659511B (en) For receiving and dispatching the method and device thereof of down link control information
CN101043638B (en) Base station dispatcher, resource distribution module and dispatch control method for HSUPA
CN101272177B (en) Method and device for scheduling user's set
CN101064538B (en) Power control method for time-division synchronous CDMA communication system
CN101616456B (en) Method and device for uniform scheduling in uplink power control
CN105450358A (en) Indication method and indication device of the quantity of MAC (Medium Access Control) PDU (Protocol Data Unit)
KR20120056869A (en) A method for scheduling transmissions between a base station and user terminals, a base station and a communication network therefor
CN103168500A (en) Method and apparatus for determining maximum transmission power per carrier in mobile communication system supporting carrier aggregation
CN102412950A (en) Coordination system of power of downlink control channel and method thereof
CN102057732A (en) Method and arrangement in a cellular communications system
CN101252698A (en) Method for transmitting data and cellular system using the same
CN101345906B (en) Wireless resource allocation method and apparatus of high speed grouping access system
CN101237270B (en) A method for the node B to get retransfer interval control information
CN102118872A (en) Uplink synchronous command transfer method and system
EP2671421B1 (en) Method for providing a random access channel in wireless communication system
CN102215574A (en) Configuration and application method of semicontinuous scheduling resource
CN101965060A (en) Method for coordinated multi-point transmission and reception and corresponding base station
CN111800873A (en) Resource scheduling method, device and system
CN102291825B (en) Method for allocating time slot resources
Huang et al. A downlink ICIC method based on region in the LTE-Advanced system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20201223

Address after: 276800 west head of Shanghai Road, Rizhao Development Zone, Shandong Province

Patentee after: Runfeng Construction Group Co.,Ltd.

Address before: 518057 No. 55 South Science and technology road, Shenzhen, Guangdong, Nanshan District

Patentee before: ZTE Corp.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20231211

Address after: No. 99 Shanghai Road, Kuishan Street, Economic Development Zone, Rizhao City, Shandong Province, 276800

Patentee after: Rizhao Luli Construction Engineering Co.,Ltd.

Address before: 276800 west head of Shanghai Road, Rizhao Development Zone, Shandong Province

Patentee before: Runfeng Construction Group Co.,Ltd.

TR01 Transfer of patent right