WO2011123978A1 - Procédé et dispositif pour la planification de ressource - Google Patents

Procédé et dispositif pour la planification de ressource Download PDF

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Publication number
WO2011123978A1
WO2011123978A1 PCT/CN2010/000448 CN2010000448W WO2011123978A1 WO 2011123978 A1 WO2011123978 A1 WO 2011123978A1 CN 2010000448 W CN2010000448 W CN 2010000448W WO 2011123978 A1 WO2011123978 A1 WO 2011123978A1
Authority
WO
WIPO (PCT)
Prior art keywords
sps
license
original
pdcch
resource
Prior art date
Application number
PCT/CN2010/000448
Other languages
English (en)
Chinese (zh)
Inventor
杨涛
Original Assignee
上海贝尔股份有限公司
阿尔卡特朗讯
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 上海贝尔股份有限公司, 阿尔卡特朗讯 filed Critical 上海贝尔股份有限公司
Priority to CN201080065749.4A priority Critical patent/CN102823310B/zh
Priority to PCT/CN2010/000448 priority patent/WO2011123978A1/fr
Priority to TW100110618A priority patent/TWI440380B/zh
Publication of WO2011123978A1 publication Critical patent/WO2011123978A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • the present invention relates to the field of wireless communications, and in particular, to a resource scheduling method and a device thereof. Background technique
  • SPS semi-persistent scheduling
  • DL downlink
  • UL uplink
  • Embodiments of the present invention propose a resource scheduling method and apparatus thereof to specify how to operate an SPS license in an LTA-CA.
  • a resource scheduling method including allocating a semi-persistent scheduling (SPS) grant on one or more component carriers; informing a mobile terminal which component carrier is allocated by an SPS grant, so that The mobile terminal is capable of identifying and using the SPS license.
  • SPS semi-persistent scheduling
  • a scheduling method comprising: receiving information indicating which component carrier is located in an assigned semi-persistent scheduling (SPS) grant; acquiring an assigned SPS grant based on the information; And provide services using the assigned SPS license.
  • SPS semi-persistent scheduling
  • a base station including: a grant allocation unit configured to allocate a semi-persistent scheduling (SPS) grant on one or more component carriers; and a notifying unit configured to notify the mobile terminal Which component carrier the assigned SPS license is located to enable the mobile terminal to recognize and use the SPS license.
  • SPS semi-persistent scheduling
  • a mobile terminal comprising: a receiving unit, configured to receive information indicating which component carrier is located in an allocated semi-persistent scheduling (SPS) grant; and an information extracting unit, configured to: Obtaining the assigned SPS license based on the information; and an implementation unit for providing the service using the allocated SPS license.
  • SPS semi-persistent scheduling
  • a scheduling system including the base station and mobile terminal described above
  • how to operate the SPS permission in the LTE-A-CA enables the semi-persistent scheduling for the UE in the LTE-A-CA.
  • FIG. 1 shows a schematic diagram of a scheduling system in accordance with an embodiment of the present invention
  • FIG. 2 shows a schematic block diagram of a base station according to an embodiment of the present invention
  • FIG. 3 shows a schematic block diagram of a mobile terminal according to an embodiment of the present invention
  • FIG. 4 is a schematic flowchart of a resource scheduling method on a base station side according to an embodiment of the present invention.
  • FIG. 5 is a schematic flowchart of a resource scheduling method on a mobile terminal side according to an embodiment of the present invention. Specific embodiment
  • Embodiments of the present invention propose a scheduling system.
  • the scheduling system includes a mobile terminal (UE) and a base station that schedules resources for the UE.
  • the base station herein may be, but not limited to, an eNB. Although only one base station and two UEs (UE1 and UE2) are shown in FIG. 1, those skilled in the art should know that the scheduling system shown in FIG. 1 is schematic, and may include more in the actual scheduling system.
  • Base station and mobile terminal are only one base station and two UEs (UE1 and UE2) are shown in FIG. 1, those skilled in the art should know that the scheduling system shown in FIG. 1 is schematic, and may include more in the actual scheduling system.
  • Base station and mobile terminal are only one base station and two UEs (UE1 and UE2) are shown in FIG. 1, those skilled in the art should know that the scheduling system shown in FIG. 1 is schematic, and may include more in the actual scheduling system.
  • Base station and mobile terminal are only one base station and two UEs (UE1 and UE
  • Embodiments of the present invention also propose a base station, as shown in FIG. 2, the base station includes a grant allocation unit 210 for allocating a semi-persistent scheduling (SPS) grant on one or more component carriers; and a notification unit 220 And indicating which component carrier the SPS license allocated by the mobile terminal is located to enable the mobile terminal to identify and use the SPS license.
  • SPS semi-persistent scheduling
  • the base station further includes a license generation unit 230 for generating an SPS license indicating the resource allocated for the mobile terminal, and providing the SPS license to the license allocation unit.
  • the base station further includes a reconfiguration unit 240, configured to reconfigure SPS resources allocated for the mobile terminal; the notification unit 220 is further configured to notify the mobile terminal of the re-allocated SPS resources, so that the mobile terminal can replace the original SPS resources with the newly configured SPS resources. SPS resources.
  • the base station further includes a temporary coverage unit 250 for specifying a specific transmission time interval or
  • Replacement page (Article 26) a predetermined period of time, such that the mobile terminal replaces the original SPS resource with the new SPS resource during the specific transmission time interval or the predetermined time period, and after the specific transmission time interval or the predetermined time period elapses , return the original SPS resource.
  • the embodiment of the present invention further provides a mobile terminal.
  • the mobile terminal includes a receiving unit 310, configured to receive information indicating which component carrier is located in the allocated semi-persistent scheduling (SPS) permission;
  • the information extracting unit 320 is configured to acquire the allocated SPS license according to the received information, and the implementing unit 330 is configured to provide the service by using the allocated SPS license.
  • SPS semi-persistent scheduling
  • the mobile terminal further includes a resource replacement unit 340, configured to replace the original SPS resource with a new SPS resource in a specific transmission time interval or a predetermined time period when the base station specifies a specific transmission time interval or a predetermined time period. And returning to the original SPS resource after the specific transmission time interval or the predetermined time period elapses.
  • a resource replacement unit 340 configured to replace the original SPS resource with a new SPS resource in a specific transmission time interval or a predetermined time period when the base station specifies a specific transmission time interval or a predetermined time period. And returning to the original SPS resource after the specific transmission time interval or the predetermined time period elapses.
  • the mobile terminal further includes a storage unit 350 for storing information used by the mobile terminal in the scheduling process, such as, without limitation, information related to the original SPS resource when temporarily replacing the resource.
  • each of the components shown in FIGS. 2 and 3 can be implemented by a plurality of devices in practical applications, and multiple Components can also be integrated into a single chip or a device in a practical application.
  • the license generation unit 330 and the reconfiguration unit 340 in the base station can be implemented in the same chip or device.
  • the base station described above will be described in detail below with reference to the resource scheduling method shown in FIG.
  • the grant allocation unit 210 allocates a semi-persistent scheduling (SPS) grant on one or more component carriers.
  • SPS semi-persistent scheduling
  • the grant generation unit 230 assigns only one SPS grant to each UE on the U DL, naturally, only one SPS C-RNTI is required per UE. Therefore, the license generation unit 230 assigns only one SPS C-RNTL to each UE.
  • the grant allocation unit 210 allocates SPS grants only on one active component carrier (CC), such as, without limitation, such a CC is a primary component carrier (PCC) that is always active.
  • CC active component carrier
  • PCC primary component carrier
  • the license allocation unit 210 can allocate SPS licenses on multiple active CCs. Resources on multiple CCs share the same periodic configuration.
  • the UE must be informed on which CC the SPS grant is located, therefore, in step 420, the notification unit 220 informs the UE which component carrier the assigned semi-persistent scheduling grant is located in, so that the UE can identify And use the SPS license.
  • the notification unit 220 explicitly indicates in the RRC message
  • the notification unit 220 implicitly indicates by the Physical Downlink Control Channel (PDCCH) transmission.
  • the indication of the UL/DL CC may be sent together with other SPS parameters in the RRC message, indicating the assigned Which SPJ license is on the UIJDL CC.
  • the SPS C-RNTI based PDCCH only indicates detailed SPS resource information. In this option, there is no restriction on which DL CC the R C message and the following PDCCH can be sent.
  • the DL CC for PDCCH transmission is used to explicitly identify the CC to which the SPS grant is to be configured, i.e., the PDCCH transmission and the SPS are transmitted on the same DL CC.
  • the configuration method is shown below:
  • the DL CC carries the PDCCH and a carrier indication field (CIF).
  • CIF carrier indication field
  • the DL SPS is configured on the same DL CC used for the PDCCH transmission. That is, the SPS C-RNTI based PDCCH must be transmitted on the same DL CC intended for the DL SPS configuration.
  • the CIF can be used to indicate the UL CC for the UL SPS license.
  • the indication of the SPS has to be based on the DL CCo used to transmit the PDCCH.
  • the UL CC corresponding to the DL CC transmitting the PDCCH transmission may be regarded as a UL SPS configuration.
  • Target CC This is not true for the asymmetry where multiple UL CCs are mapped to the same DL CC. Therefore, for the UL SPS configuration, there is no restriction on PDCCH transmission if based on CIF.
  • the CIF-free case is only used for a symmetric scenario.
  • the UL CC linked with the DL CC transmitting the PDCCH is the target UL CC for SPS grant.
  • reconfiguration of the SPS license may also be involved, and thus an embodiment of the present invention may further include step 430, and the reconfiguration unit 240 reconfigures the SPS license.
  • the information extracting unit 320 of the UE identifies the SPS license as follows:
  • each SPS license and its operations can be identified using SPS C-RNTI.
  • SPS C-RNTI+CIF can be used to identify each SPS on the configured CC.
  • the UE's implementation unit 330 should perform SPS on all subsequent transmissions based on the new SPS reconfiguration until the next configuration or temporary coverage. This reconfiguration can be due to the following reasons:
  • the CC where the SPS resource is located is in poor wireless conditions
  • the first level is the SPS parameter (eg, period) reconfiguration. This is based on the RRC message.
  • the second level is SPS resource reconfiguration, including resource information, MCS, and so on. This is done using the SPS C-RNTI based PDCCH. This resource reconfiguration can be done on any CC or on the same CC as its previous CC.
  • the SPS C-RNTI is sufficient to identify the SPS license and the SPS C-RNTI is used to locate the resources to be reconfigured.
  • reconfiguration unit 240 may use the resource indication on the PDCCH to locate a new resource to replace the original SPS resource. That is, the DL CC and CIF for the PDCCH (if present) are used to locate the new resource as follows:
  • Option 1 Use the configured current DL SPS (for DL case) or use the DL CC (for UL case) mapped to the configured current UL SPS to send a PDCCH without CIF.
  • Option 2 A CIF-based solution, where the CIF can indicate the current SPS configuration. Then, there is no restriction on PDCCH transmission. Similarly, for reconfiguration in other CCs, the following two options are also available: Option 1: If there is no CIF, use the DL CC for PDCCH transmission as the target CC for the new DL SPS, and map it to UL CC is the target CC for the new UL SPS.
  • Option 2 Based on the CIF to locate the target CC for the new SPS license, there is no limit to the PDCCH transmission.
  • the SPS C-RNTI and DL CC for PDCCH transmission are used to locate SPS resources to be reconfigured.
  • the resources indicated in the PDCCH including the CIF are used to identify the new resource.
  • SPS resources may also be reconfigured to any other CC.
  • the resource indicated in the PDCCH is a new resource.
  • the SPS C-RNTI based PDCCH can be sent on any DL CC.
  • the SPS resources can only be reconfigured on the DL CC used for PDCCH transmission.
  • step 440 may also be included to temporarily cover the SPS license. It should be noted here that steps 430 and 440 are optional, and whether their execution and execution sequence are independent of the step number.
  • the resource replacement unit 340 of the UE will replace the original SPS resource with the new resource only in a specific transmission time interval (TTI) or a predetermined time period. That is, new resources are only Valid at a TTI or scheduled time. After this or a predetermined time, the UE should return to its original SPS resource.
  • Information related to the replaced original SPS resource may be stored in the storage unit 350 of the UE.
  • the above specific transmission time interval ( ⁇ ) or predetermined time period is specified by the temporary coverage unit 250 of the base station to the mobile terminal. There are also two options that are overlaid on the same CC or on different CCs, which will affect the PDCCH transmission.
  • the SPS license may be temporarily overwritten by default, or the user may be informed by other signaling of the specific transmission time interval ( ⁇ ) or the length of the predetermined time period.
  • Option 1 Use a DL CC with the configured current SPS or a UL CC corresponding to the UL CC with the configured current SPS to send C-RNTI based PDCCH.
  • the UE should use the new resource indicated on the PDCCH. No CIF is required for this option.
  • the C-RNTI-based PDCCH may be transmitted on any DL CC in the presence of a CIF to indicate a CC with the configured SPS.
  • the UE should use the new resources in the PDCCH to replace the configured SPS license.
  • the PDCCH should be transmitted based on the following considerations.
  • the PDCCH is transmitted on the DL CC with the configured SPS or on the DL CC paired with the UL CC with the configured SPS, and the CIF is used to locate the target CC for the new resource.
  • a PDCCH without CIF cannot be used on other DL CCs for this purpose because the UE cannot know whether this is a normal DIJUL license or a license to replace the SPS resource.
  • the C-RNTI-based PDCCH must be sent in the same DL CC as used by the configured current SPS grant, and the CIF must be presented to indicate for new The target cc of the resource.
  • this may result in a collision with a pre-scheduled transmission on the target CC.
  • the pre-scheduled transmission is discarded and instead the SPS transmission is performed based on the new resource.
  • the receiving unit 310 of the UE receives information informing which of the component carriers the assigned semi-persistent scheduling (SPS) grant is located.
  • the information may be sent in an RRC message or may be sent through a PDCCH.
  • step 520 the information extracting unit 320 of the UE acquires the assigned SPS license based on the received information.
  • the UE can use the SPS C-RNTI to identify each SPS license and its operation, and thereby obtain the SPS license.
  • the UE can use the SPS C-RNTI+CIF to identify the source of each SPS on the configured CC and obtain the SPS license.
  • step 530 the UE's implementation unit 330 utilizes the obtained SPS grant for resource scheduling to provide services.
  • the UE In the scenario of the CA, it is possible for the UE to have multiple allocations (for DL cases) or licenses (for UL cases), the license including licenses for SPS resources and other resources. There are two options for how to use resources:
  • specific resources are used to provide services for specific services, such as VOIP services. If there are additional resources left, other services can be served based on the LCP process. Accordingly, specific PHY parameters (e.g., HARQ transmission numbers, etc.) can be set to be adaptive to the QOS requirements of a particular service.
  • specific PHY parameters e.g., HARQ transmission numbers, etc.
  • some embodiments also include a program-readable or computer-readable program storage device (eg, a digital data storage medium) and encoding machine-executable or computer-executable program instructions, wherein the instructions perform some of the above methods or All steps.
  • the program storage device can be a digital memory, a magnetic storage medium (such as a disk and tape), a hardware or an optically readable digital data storage medium.
  • Embodiments also include a programming computer that performs the steps of the above method.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention porte sur un procédé et un dispositif pour la planification de ressource. Le procédé comprend les étapes suivantes : une allocation de planification semi-persistante (SPS) est distribuée sur une ou plusieurs porteuses de composante ; un équipement utilisateur (UE) est notifié de la porteuse de composante au niveau de laquelle est localisée l'allocation de planification semi-persistante (SPS) distribuée, afin que l'équipement utilisateur (UE) puisse identifier et utiliser l'allocation de planification semi-persistante (SPS). Par l'intermédiaire de la solution technique ci-dessus, la planification semi-persistante (SPS) peut être configurée pour l'équipement utilisateur (UE) dans une agrégation de porteuses à évolution à long terme.
PCT/CN2010/000448 2010-04-06 2010-04-06 Procédé et dispositif pour la planification de ressource WO2011123978A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201080065749.4A CN102823310B (zh) 2010-04-06 2010-04-06 资源调度方法及其设备
PCT/CN2010/000448 WO2011123978A1 (fr) 2010-04-06 2010-04-06 Procédé et dispositif pour la planification de ressource
TW100110618A TWI440380B (zh) 2010-04-06 2011-03-28 Resource scheduling method and its equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2010/000448 WO2011123978A1 (fr) 2010-04-06 2010-04-06 Procédé et dispositif pour la planification de ressource

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WO2011123978A1 true WO2011123978A1 (fr) 2011-10-13

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Publication number Priority date Publication date Assignee Title
US9642157B2 (en) * 2014-06-27 2017-05-02 Qualcomm Incorporated Methods and apparatus for efficient support of variable bit rate voice traffic on long term evolution uplink
US20160119969A1 (en) * 2014-10-24 2016-04-28 Qualcomm Incorporated Mac enhancements for concurrent legacy and ecc operation
EP3637712A4 (fr) * 2017-05-12 2020-12-09 NTT DoCoMo, Inc. Terminal d'utilisateur et procédé de communication sans fil
US11356996B2 (en) * 2019-07-06 2022-06-07 Qualcomm Incorporated Cross carrier activation of a periodic grant

Citations (2)

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CN101636961A (zh) * 2007-03-19 2010-01-27 Lm爱立信电话有限公司 用于半持久性调度的（h）arq
WO2010013959A2 (fr) * 2008-07-30 2010-02-04 Lg Electronics Inc. Procédé et dispositif de réception de données dans un système de communications sans fil

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Publication number Priority date Publication date Assignee Title
CN101800991B (zh) * 2009-02-06 2012-10-03 电信科学技术研究院 一种数据传输方法、系统及装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101636961A (zh) * 2007-03-19 2010-01-27 Lm爱立信电话有限公司 用于半持久性调度的（h）arq
WO2010013959A2 (fr) * 2008-07-30 2010-02-04 Lg Electronics Inc. Procédé et dispositif de réception de données dans un système de communications sans fil

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TWI440380B (zh) 2014-06-01
TW201204137A (en) 2012-01-16
CN102823310A (zh) 2012-12-12
CN102823310B (zh) 2015-07-22

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