WO2012092833A1 - 一种资源管理的方法、基站和系统 - Google Patents
一种资源管理的方法、基站和系统 Download PDFInfo
- Publication number
- WO2012092833A1 WO2012092833A1 PCT/CN2011/085096 CN2011085096W WO2012092833A1 WO 2012092833 A1 WO2012092833 A1 WO 2012092833A1 CN 2011085096 W CN2011085096 W CN 2011085096W WO 2012092833 A1 WO2012092833 A1 WO 2012092833A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- uplink data
- information
- base station
- acknowledgement
- periodic
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0026—Transmission of channel quality indication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0045—Arrangements at the receiver end
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0061—Error detection codes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0072—Error control for data other than payload data, e.g. control data
- H04L1/0073—Special arrangements for feedback channel
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
Definitions
- the present invention relates to communication technologies, and in particular, to a resource management method, a base station, and a system.
- LTE Long Term Evolution
- the user equipment after receiving the RRC (Radio Resource Control) command sent by the source base station, the user equipment randomly sends an access request to the target base station, and the destination base station receives the connection. After the request is received, the access response is replied to establish a connection with the user equipment.
- RRC Radio Resource Control
- the target base station After the destination base station establishes a connection with the user equipment, the target base station timely implements periodic indication information related to the system frame number (such as CQI (Channel Quality Indication), SRS (Souding Reference Signal), and SRI (Scheduling Request Indication)
- the corresponding periodic resource for example, a subframe in which CQI or SRS is periodically transmitted.
- the user equipment does not take effect on the system frame number (SFN).
- the subframe for transmitting the CQI is valid in time.
- the destination base station considers that there will be a CQI reported by the user equipment on the subframe in which the CQI is transmitted, and therefore the loop is performed. Redundancy code verification.
- the user equipment since the time when the user equipment and the destination base station are effective to transmit the CQI subframe is not synchronized, the user equipment may not have a subframe for transmitting the CQI, thereby causing the destination base station to check the cyclic redundancy code error, causing the data to be retransmitted incorrectly. , increase the interrupt delay. Summary of the invention Embodiments of the present invention provide a resource management method, a base station, and a system, which avoid the case where data is erroneously retransmitted, thereby reducing the interruption delay.
- An aspect of the present invention provides a method for resource management, including: receiving, by a base station, first uplink data or first acknowledgement information sent by a user equipment, where the base station includes periodicity according to the first uplink data or the first acknowledgement information Formatting the information, decoding the first uplink data or the first acknowledgement information; if the first uplink data or the first acknowledgement information is successfully decoded, the base station determines the first uplink data or the The first acknowledgment information includes periodic indication information, and the base station validates the periodic resource corresponding to the periodic indication information included in the first uplink data or the first acknowledgment information.
- a base station including: a first receiving unit, configured to receive first uplink data or first acknowledgement information sent by a user equipment, and a first decoding unit, configured to follow the first uplink data Or the first acknowledgement information includes a format of the periodic indication information, and the first uplink data or the first acknowledgement information is decoded; and the first processing unit is configured to: when the first decoding unit is configured to the first uplink When the data or the first acknowledgment information is successfully decoded, it is determined that the first uplink data or the first acknowledgment information includes periodic indication information, and the first uplink data or the first received by the first receiving unit is valid.
- the periodic resource corresponding to the periodic indication information included in the confirmation information.
- Still another aspect of the present invention provides a mobile communication system including the base station as described above.
- the base station decodes the uplink data or the acknowledgment information sent by the user equipment according to the format that the uplink data or the acknowledgment information includes the periodic indication information.
- the decoding is correct, it is determined that the uplink data or the acknowledgment information sent by the user equipment is included.
- the periodic indication information, the periodic resource corresponding to the periodic indication information included in the uplink data or the acknowledgment information of the base station which overcomes the periodic resources corresponding to the periodic indication information of the base station and the user equipment that are not synchronized.
- the data is erroneously retransmitted, which reduces the latency.
- FIG. 1 is a schematic flowchart of a method for resource management according to an embodiment of the present invention
- FIG. 2 is a schematic flowchart of another method for resource management according to an embodiment of the present invention.
- FIG. 3 is a schematic flowchart of still another method for resource management according to an embodiment of the present disclosure.
- FIG. 4 (2) is a schematic structural diagram of another base station according to an embodiment of the present invention.
- FIG. 5 is a schematic structural diagram of still another base station according to an embodiment of the present invention.
- the technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. example. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.
- the embodiment of the present invention provides a resource management method, as shown in FIG. 1, including the following content.
- the base station receives the first uplink data or the first acknowledgement information sent by the user equipment.
- the confirmation information may be the acknowledgement character ACK (acknowledgement).
- the method further includes: 10. After receiving the access request sent by the user equipment, the base station returns an access response to the user equipment, so as to establish a connection between the base station and the user equipment.
- the base station decodes the received first uplink data or first acknowledgement information according to the format of the first uplink data or the first acknowledgement information including the periodic indication information, and if the decoding is successful, performs 13; if decoding If it fails, execute 14.
- the periodic indication information may be periodic indication information related to a system frame number, and the periodic indication information related to the system frame number includes at least one of the following information: a channel quality indicator (CQI), Sounding reference signal (SRS), scheduling request indication (SRI), etc.
- CQI channel quality indicator
- SRS Sounding reference signal
- SRI scheduling request indication
- the channel corresponding to the CQI may be a Physical Uplink Control Channel (PUCCH) or a Physical Uplink Shared Channel (PUSCH).
- the base station determines that the received first uplink data or the first acknowledgment information includes periodic indication information, and validates the periodic resource corresponding to the periodic indication information included in the first uplink data or the first acknowledgment information.
- the periodic resource corresponding to the periodic indication information includes a resource such as a subframe that transmits the periodic indication information.
- the base station determines that the received first uplink data or the first acknowledgement information does not include the periodic indication information, and does not validate the periodic resource corresponding to the periodic indication information included in the first uplink data or the first acknowledgement information. Optionally, you can perform 15 after this step.
- the base station performs the first cyclic redundancy check on the received first uplink data or the first acknowledgement information according to the format that the first uplink data or the first acknowledgement information does not include the periodic indication information, if the check is correct , execute 16; if the check is incorrect, execute 17.
- the base station sends a first acknowledgement message to the user equipment, where the first acknowledgement message indicates that the base station has received the first uplink data or the first acknowledgement information.
- the foregoing base station discards the received first uplink data or first acknowledgement information.
- the base station after performing 13, that is, the base station has already applied the periodic resource corresponding to the periodic indication information included in the first uplink data or the first acknowledgement information, the base station receives the second uplink sent by the user equipment.
- the data or the second confirmation information is as shown in FIG. 2, the following may also be included.
- the base station receives the second uplink data or the second acknowledgement information sent by the user equipment.
- the base station decodes the received second uplink data or the second acknowledgment information according to the format that the second uplink data or the second acknowledgment information includes the periodic indication information, and if the decoding succeeds, performs 23; if the decoding fails , then execute 24.
- the base station validating the periodic indication included in the second uplink data or the second acknowledgement information The periodic resource corresponding to the information.
- the foregoing base station discards the received second uplink data or second acknowledgement information.
- the base station after the base station performs the 14th, that is, the base station does not validate the periodic resource corresponding to the periodic indication information included in the first uplink data or the first acknowledgement information, the base station receives the sent by the user equipment.
- the second uplink data or the second confirmation information is as shown in FIG. 3, the following may also be included.
- the base station receives second uplink data or second acknowledgement information sent by the user equipment.
- the base station decodes the received second uplink data or the second acknowledgement information according to the format that the second uplink data or the second acknowledgement information includes the periodic indication information, and if the decoding succeeds, performs 33; if the decoding fails , then execute 34.
- the base station performs a second cyclic redundancy check on the received second uplink data or the second acknowledgement information according to the format that the second uplink data or the second acknowledgement information does not include the periodic indication information, if the check is correct. , then execute 35. If the verification is wrong, execute 36.
- the base station sends a second acknowledgement message to the user equipment, where the second acknowledgement message indicates that the base station has received the second uplink data or the second acknowledgement information.
- the foregoing base station discards the received second uplink data or second acknowledgement information.
- the process of decoding according to the format of the uplink data or the acknowledgment information including the periodic indication information is essentially performing the CRC according to the format of the uplink data or the acknowledgment information including the periodic indication information, and the purpose is to enable the base station to know the user equipment to send Whether there is periodic indication information in the uplink data or the acknowledgment information, so as to know in time whether the user equipment has validated the resources corresponding to the periodic indication information. If the decoding is performed in the format that includes the periodic indication information in the uplink data or the acknowledgment information, and the decoding succeeds, the user equipment is effective in the periodic resource, which overcomes the corresponding information in the prior art that the base station and the user equipment are not synchronized.
- the process of using the CRC for error detection may be: generating, by the user equipment side, a r-bit CRC code for verification according to a K-bit binary code sequence to be transmitted, and attaching it to the original information to form a
- the new binary code sequence has a total of K+r bits, and is then sent to the base station; the base station performs verification according to the rules followed between the information code and the CRC code, and the information field and the length of the check field of the CRC code can be arbitrarily selected.
- K and r are positive integers.
- the embodiment of the present invention provides a base station, as shown in FIG. 4 (1), including a first receiving unit 41, a first decoding unit 42, and a first processing unit 43.
- the first receiving unit 41 receives the first uplink data or the first acknowledgement information sent by the user equipment.
- the confirmation information may be an acknowledgement character ACK (acknowledgement).
- the first decoding unit 42 decodes the first uplink data or the first acknowledgement information according to the format of the first uplink data or the first acknowledgement information including the periodic indication information.
- the first processing unit 43 determines that the first uplink data or the first acknowledgment information received by the first receiving unit 41 includes periodicity.
- the indication information, the periodic resource corresponding to the periodic indication information included in the first uplink data or the first acknowledgement information is valid; when the first decoding unit 42 fails to decode the first uplink data or the first acknowledgement information, The processing unit 43 determines that the first uplink data or the first acknowledgement information received by the first receiving unit 41 does not include the periodic indication information, and does not validate the periodic indication information included in the first uplink data or the first acknowledgement information. Corresponding periodic resources.
- the periodic indication information may be periodic indication information related to a system frame number, and the periodic indication information related to the system frame number includes at least one of the following information: a channel quality indicator (CQI), a sounding reference signal (SRS), Scheduling request indication (SRI), etc.
- CQI channel quality indicator
- SRS sounding reference signal
- SRI Scheduling request indication
- the foregoing base station may further include: a first check unit 44, configured to: when the first decoding unit 42 receives the first uplink data from the first receiving unit 41, Or, when the first acknowledgement information fails to be decoded, performing the first cyclic redundancy check on the first uplink data or the first acknowledgement information according to the format that does not include the periodic indication information in the first uplink data or the first acknowledgement information.
- a first check unit 44 configured to: when the first decoding unit 42 receives the first uplink data from the first receiving unit 41, Or, when the first acknowledgement information fails to be decoded, performing the first cyclic redundancy check on the first uplink data or the first acknowledgement information according to the format that does not include the periodic indication information in the first uplink data or the first acknowledgement information.
- the base station may further include a second processing unit 45, configured to send a first acknowledgement message to the user equipment when the first check unit 44 is correctly verified, where the first acknowledgement message indicates that the base station has received The first uplink data or the first acknowledgement information; when the first check unit 44 checks the error, discarding the first uplink data or the first acknowledgement information received by the first receiving unit 41.
- a second processing unit 45 configured to send a first acknowledgement message to the user equipment when the first check unit 44 is correctly verified, where the first acknowledgement message indicates that the base station has received The first uplink data or the first acknowledgement information; when the first check unit 44 checks the error, discarding the first uplink data or the first acknowledgement information received by the first receiving unit 41.
- connection unit 40 may be further configured to: after receiving the access request sent by the user equipment, replying to the access response to establish a connection with the user equipment.
- the base station may further include: a second receiving unit 51, a second decoding unit 52, and a third processing unit 53.
- the second receiving unit 51 receives the second uplink data or the second acknowledgement information sent by the user equipment.
- the second decoding unit 52 decodes the second uplink data or the second acknowledgement information received by the second receiving unit 51 according to the format including the periodic indication information in the second uplink data or the second acknowledgement information.
- the third processing unit 53 determines that the second uplink data or the second acknowledgment information received by the second receiving unit 51 includes a period.
- the third processing unit 53 performs the second uplink The data or the second confirmation information is processed.
- the third processing unit 53 may further include:
- the discarding sub-unit 531 is configured to discard the periodic resource corresponding to the periodic indication information included in the first uplink data or the first acknowledgement information, and discard the received by the second receiving unit 51. Second uplink data or second confirmation information; and/or
- the verification sub-unit 532 is configured to: when the first processing unit 43 does not validate the periodic resource corresponding to the periodic indication information included in the first uplink data or the first acknowledgement information, according to the second uplink data or the second acknowledgement information The format of the periodic indication information is not included, and the second cyclic redundancy check is performed on the second uplink data or the second acknowledgement information received by the second receiving unit 51.
- the foregoing base station may further include a processing sub-unit 533, configured to send a second acknowledgement message to the user equipment when the check sub-unit 532 is correctly verified, where the second acknowledgement message indicates that the base station is connected
- the second uplink data or the second acknowledgement information is received.
- the check sub-unit 532 checks the error, the second uplink data or the second acknowledgement information received by the second receiving unit 51 is discarded.
- the base station does not validate the periodic resource corresponding to the periodic indication information immediately after establishing the connection with the user equipment, but performs the uplink data or the confirmation according to the format of the uplink indication information or the acknowledgment information including the periodic indication information. After the information is decoded and succeeded, the base station confirms that the periodic resource is validated by the user equipment, and then the periodic resource corresponding to the periodic indication information is valid.
- the base station activates the periodic resource and avoids the CRC school.
- the error is caused by data retransmission, which reduces the interruption delay.
- the base station decodes the uplink data or the acknowledgment information according to the format of the uplink information or the acknowledgment information in the acknowledgment information, and after the decoding fails, the base station does not include the format of the periodic indication information according to the uplink data or the acknowledgment information.
- the uplink data or the acknowledgment information is subjected to cyclic redundancy check, so that the base station can implement the periodic resource corresponding to the periodic indication information at an appropriate time, and the purpose of reducing the handover interruption delay is achieved.
- each unit included is only divided according to function logic, but is not limited to the above division, as long as the corresponding function can be implemented.
- the specific names of the respective units are only for convenience of distinction from each other, and are not intended to limit the scope of protection of the present invention.
- the storage medium may be a read only memory, a magnetic disk or an optical disk or the like.
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11855071.4A EP2651160B1 (en) | 2011-01-06 | 2011-12-31 | Method, base station and system for managing resources |
JP2013547797A JP5700883B2 (ja) | 2011-01-06 | 2011-12-31 | リソースを管理する方法、基地局、及びシステム |
US13/936,554 US9301162B2 (en) | 2011-01-06 | 2013-07-08 | Method, base station and system for managing resources |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110006620.2 | 2011-01-06 | ||
CN201110006620.2A CN102036302B (zh) | 2011-01-06 | 2011-01-06 | 一种资源管理的方法、基站和系统 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US13/936,554 Continuation US9301162B2 (en) | 2011-01-06 | 2013-07-08 | Method, base station and system for managing resources |
Publications (1)
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WO2012092833A1 true WO2012092833A1 (zh) | 2012-07-12 |
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ID=43888453
Family Applications (1)
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PCT/CN2011/085096 WO2012092833A1 (zh) | 2011-01-06 | 2011-12-31 | 一种资源管理的方法、基站和系统 |
Country Status (5)
Country | Link |
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US (1) | US9301162B2 (zh) |
EP (1) | EP2651160B1 (zh) |
JP (1) | JP5700883B2 (zh) |
CN (1) | CN102036302B (zh) |
WO (1) | WO2012092833A1 (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102036302B (zh) * | 2011-01-06 | 2014-01-01 | 华为技术有限公司 | 一种资源管理的方法、基站和系统 |
CN106888068B (zh) * | 2015-12-15 | 2019-11-19 | 大唐移动通信设备有限公司 | 一种基于周期性cqi的信道译码方法及装置 |
CN109150439B (zh) | 2017-06-16 | 2021-02-05 | 电信科学技术研究院 | 一种数据传输方法、装置、网络侧设备和用户设备 |
CN113411770B (zh) * | 2021-08-19 | 2021-11-12 | 辰芯科技有限公司 | 周期性资源的选择方法、装置、设备及存储介质 |
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KR100913889B1 (ko) | 2007-03-22 | 2009-08-26 | 삼성전자주식회사 | 이동 통신 시스템의 핸드 오버 방법 및 장치 |
KR101373381B1 (ko) | 2007-03-29 | 2014-03-14 | 한국과학기술원 | 통신시스템에서 핸드오버 지연 시간 감소 방법 및 장치 |
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- 2011-12-31 WO PCT/CN2011/085096 patent/WO2012092833A1/zh active Application Filing
- 2011-12-31 JP JP2013547797A patent/JP5700883B2/ja active Active
- 2011-12-31 EP EP11855071.4A patent/EP2651160B1/en active Active
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2013
- 2013-07-08 US US13/936,554 patent/US9301162B2/en active Active
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Also Published As
Publication number | Publication date |
---|---|
JP5700883B2 (ja) | 2015-04-15 |
JP2014502121A (ja) | 2014-01-23 |
US9301162B2 (en) | 2016-03-29 |
US20130294344A1 (en) | 2013-11-07 |
EP2651160B1 (en) | 2017-05-03 |
CN102036302A (zh) | 2011-04-27 |
EP2651160A4 (en) | 2013-11-27 |
CN102036302B (zh) | 2014-01-01 |
EP2651160A1 (en) | 2013-10-16 |
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