WO2008113285A1 - Procédé, dispositif et équipement utilisateur pour planifier une ressource - Google Patents

Procédé, dispositif et équipement utilisateur pour planifier une ressource Download PDF

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Publication number
WO2008113285A1
WO2008113285A1 PCT/CN2008/070457 CN2008070457W WO2008113285A1 WO 2008113285 A1 WO2008113285 A1 WO 2008113285A1 CN 2008070457 W CN2008070457 W CN 2008070457W WO 2008113285 A1 WO2008113285 A1 WO 2008113285A1
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WIPO (PCT)
Prior art keywords
user equipment
cell
frequency resource
resource block
service
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Ceased
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PCT/CN2008/070457
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English (en)
Chinese (zh)
Inventor
Hao Wu
Liyan Yin
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of WO2008113285A1 publication Critical patent/WO2008113285A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H04W36/0085—Hand-off measurements
    • H04W36/0088—Scheduling hand-off measurements

Definitions

  • the present invention relates to a wireless communication technology, and in particular, to a method, an apparatus, and a user equipment (UE, User Equipment) for resource scheduling.
  • UE User Equipment
  • BACKGROUND The Long Term Evolution (LTE) system is an evolved system after a Wideband Code Division Multiple Access (WCDMA) system, which uses orthogonal frequency division multiplexing (OFDM) technology. Users provide grouping services.
  • WCDMA Wideband Code Division Multiple Access
  • OFDM orthogonal frequency division multiplexing
  • the UE needs to perform cell reselection due to factors such as mobility or load balancing to switch from the current serving cell to the reselected cell.
  • the cell to be measured that is, the target cell
  • the determined target cell and the current serving cell are measured; and then according to the measurement result of the current serving cell and the target cell, in the current serving cell And selecting one cell in the target cell as the reselected cell, and then providing various services for the UE by the selected reselected cell.
  • the current serving cell of the UE may be inconsistent with the bandwidth of the target cell. Since the UE can only work in one frequency band at each moment, and the current bandwidth of the UE is equal to the bandwidth of the current serving cell, the cells in different frequency bands cannot be measured. In this way, in the cell reselection process, if the UE is receiving traffic at this time, and does not need to adjust the working frequency band of the receiver to measure the target cell, there is no need to interrupt service reception; when the UE needs to work on its receiver When the frequency band is adjusted to the bandwidth of the target cell, the UE must first interrupt the service reception of the current serving cell to measure the cells in other frequency bands.
  • the continuity of the service transmission is one of the indicators for measuring the performance of the service. Therefore, when the UE interrupts the service reception of the current serving cell, the service reception performance is low.
  • the UE may provide services for the UE in one cell, or may provide services for the UE in multiple cells at the same time. However, only when the cell bandwidth for providing services for the UE is the same and the frequency resource blocks used are the same, the UE can combine and decode the received service signals to obtain the service content. In the LTE system, the bandwidth of each cell is variable.
  • an embodiment of the present invention provides a resource scheduling method, which enhances a receiving performance of a service.
  • the embodiment of the invention provides a device for resource scheduling, which enhances the receiving performance of the service.
  • the embodiment of the invention provides a user equipment, which enhances the receiving performance of the service.
  • a method for resource scheduling including:
  • the frequency resource block providing the service is not within the receiving bandwidth of the user equipment when measuring the target cell, select a frequency resource block from the receiving bandwidth when the user equipment measures the target cell, and provide a service for the user equipment.
  • a method for resource scheduling including:
  • the cell provides the same resource block of the frequency resource block of the service, and provides services for the user equipment.
  • a device for resource scheduling comprising:
  • a determining module configured to determine a target cell to be measured by the user equipment
  • a scheduling module configured to: when the frequency resource block providing the service is not in the target determined by the determining module When the intra-area reception bandwidth is within, the frequency resource block is selected from the reception bandwidth when the user equipment measures the target cell, and the user equipment is provided with a service.
  • a device for resource scheduling comprising:
  • a determining module configured to determine, when the current serving cell and the frequency resource block of the neighboring cell provide services for the user equipment, whether the frequency resource block of the current serving cell and the neighboring cell provides the service is the same; When the judgment result of the judgment module is that the current serving cell and the frequency resource block of the service provided by the neighboring cell are different, the resource block that is the same as the frequency resource block of the service provided by the neighboring cell is selected from the current serving cell, and the service device is provided for the user equipment. .
  • a user equipment including a receiving module, a determining module, and a notification module,
  • the receiving module is configured to receive the service provided by the current serving cell and the neighboring cell, and send the frequency resource block information of the two cells to provide the service to the determining module;
  • the determining module is configured to send a resource scheduling notification to the notification module when determining that the received frequency resource blocks of the two cells providing services are different;
  • the notification module is configured to receive and forward a resource scheduling notification of the determining module.
  • the technical solution provided by the embodiment of the present invention when determining the target cell to be measured by the UE, if it is determined that the frequency resource block providing the service in the current serving cell is not in the receiving bandwidth of the UE when measuring the target cell Then, the resource scheduling is performed, and the frequency resource block within the receiving bandwidth when the UE measures the target cell is used to provide services for the UE, thereby avoiding service interruption in the cell reselection process and enhancing service receiving performance.
  • the resource scheduling is performed, so that the current serving cell and the target cell use the same frequency resource block to provide services to the UE, thereby enhancing service reception. performance.
  • FIG. 1 is a flowchart of a method for resource scheduling of a Multimedia Broadcast Multicast Service (MBMS) according to Embodiment 1 of the present invention
  • MBMS Multimedia Broadcast Multicast Service
  • FIG. 3 is a schematic diagram of a second application scenario in the first embodiment of the present invention.
  • FIG. 4 is a structural diagram of a device for resource scheduling according to Embodiment 1 of the present invention.
  • FIG. 5 is a structural diagram of another apparatus for resource scheduling according to Embodiment 1 of the present invention.
  • FIG. 6 is a structural diagram of a user equipment according to Embodiment 1 of the present invention.
  • FIG. 7 is a flowchart of an MBMS resource scheduling method according to Embodiment 2 of the present invention.
  • FIG. 8 is a schematic diagram of application scenario 3 in Embodiment 2 of the present invention.
  • FIG. 9 is a structural diagram of a device for resource scheduling according to Embodiment 2 of the present invention.
  • FIG. 10 is a structural diagram of another apparatus for resource scheduling according to Embodiment 2 of the present invention.
  • FIG. 11 is a structural diagram of a user equipment according to Embodiment 2 of the present invention. detailed description
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • the present embodiment provides a method for resource scheduling.
  • determining a target cell to be measured by a UE if the frequency resource block providing the service is not within the receiving bandwidth when the UE measures the target cell, receiving the target cell from the UE A frequency resource block is selected within the bandwidth to provide services for the user equipment.
  • FIG. 1 is a flowchart of an MBMS resource scheduling method according to Embodiment 1 of the present invention. As shown in FIG. 1, the method includes the following steps:
  • Step 100 Determine a target cell to be measured by the UE.
  • Step 101 Determine whether the UE can perform measurement on the current serving cell and the target cell at the same time. If the measurement can be performed at the same time, go to step 104; otherwise, go to step 102.
  • This step may be performed by the UE or by the current serving cell. For example, when executed by the UE, when the UE determines that the target cell is not required to be adjusted, it is determined that the UE can perform simultaneous measurement on the current serving cell and the target cell. At this time, the UE can perform measurement of the target cell while receiving the MBMS, and therefore, MBMS resource scheduling is not required.
  • step 102 is performed.
  • Step 102 Determine whether the frequency resource block providing the MBMS is within the receiving bandwidth when the UE measures the target cell, if yes, go to step 104; otherwise, go to step 103.
  • This step may be performed by the UE or may be performed by the current serving cell.
  • the UE determines whether the frequency band of the currently received MBMS is within the receiving bandwidth when the UE measures the target cell, and determines that the MBMS resource scheduling is not required, and ends the process; otherwise, the current serving cell needs to notify the MBMS resource. Scheduling.
  • the current serving cell determines whether the frequency resource block of the MBMS is provided within the receiving bandwidth when the UE measures the target cell, and if yes, step 104 is performed; otherwise, step 103 is performed.
  • Step 103 Select a frequency resource block from the receiving bandwidth when the UE measures the target cell, provide MBMS for the user equipment, and then end the process.
  • the current serving cell schedules the frequency resource block within the receiving bandwidth of the UE when the UE measures the target cell, and provides the MBMS for the UE.
  • the UE may be notified to measure the target cell; or after the preset period of time, the UE actively performs measurement on the target cell.
  • Step 104 It is determined that MBMS resource scheduling is not required, and the process ends.
  • FIG. 2 is a schematic diagram of the application scenario 1 in the first embodiment of the present invention.
  • the horizontal direction is frequency
  • the width of the box in the figure represents bandwidth.
  • the current serving cell and the target cell have different bandwidths, so the UE needs to adjust the working frequency band of the receiver to measure the target cell, and the current serving cell medium frequency resource block A provides the MBMS for the UE.
  • the frequency resource block A is not within the receiving bandwidth when the UE measures the target cell, so the UE cannot measure the target cell while receiving the MBMS normally. Therefore, the frequency resource block is selected from within the reception bandwidth when the UE measures the target cell, and the MBMS is provided for the user equipment.
  • the current serving cell schedulable frequency resource block B provides MBMS for the UE. In this way, the UE can also measure the target cell while receiving the MBMS provided by the frequency resource block B.
  • FIG. 3 is a schematic diagram of the application scenario 2 in the first embodiment of the present invention.
  • the horizontal direction is the frequency
  • the width of the square in the figure represents the bandwidth.
  • the current serving cell has a different bandwidth than the measured target cell, but the bandwidth of the target cell is within the bandwidth of the current serving cell.
  • the UE needs to adjust the center frequency of its receiver to the center frequency of the target cell to measure the target cell, the UE cannot perform simultaneous measurement on the current serving cell and the target cell.
  • the resource currently providing the MBMS is the frequency resource block A
  • the current serving cell needs to schedule the frequency resource block B to provide the MBMS for the UE.
  • the target cell can be measured, and the UE can perform simultaneous measurement on the current serving cell and the target cell.
  • the resource currently providing the MBMS is the frequency resource block A or the frequency resource block B, it is within the receiving bandwidth when the UE measures the target cell, so MBMS resource scheduling is not required in the current serving cell.
  • the method for scheduling MBMS resources provided by Embodiment 1 of the present invention, When determining the target cell to be measured by the UE, determining that the frequency resource block providing the MBMS is not within the receiving bandwidth when the UE measures the target cell, selecting a frequency resource block from within the receiving bandwidth when the UE measures the target cell, The UE provides MBMS, thereby avoiding MBMS reception interruption during cell reselection and enhancing MBMS reception performance.
  • FIG. 4 is a structural diagram of a device for resource scheduling according to Embodiment 1 of the present invention. As shown in FIG. 4, the device includes:
  • a determining module configured to determine a target cell to be measured by the user equipment
  • a scheduling module configured to: when a frequency resource block that provides a service is not within a receiving bandwidth of the target cell determined by the determining module, select a frequency resource block from a receiving bandwidth when the user equipment measures the target cell, and provide the user equipment business.
  • the scheduling module is further configured to determine that resource scheduling is not required when determining that the frequency resource block providing the service is within the receiving bandwidth of the user equipment when measuring the target cell.
  • the device can be placed in a base station.
  • the apparatus for resource scheduling provided by the first embodiment of the present invention determines the bandwidth of the target cell and the target cell that the UE is to measure by using the determining module, and the scheduling module determines that the frequency resource block for providing the service is not in the UE measurement target cell.
  • the frequency resource block within the receiving bandwidth when the UE measures the target cell is scheduled to provide services for the UE. Therefore, during the cell reselection process, the service reception is guaranteed to be uninterrupted, and the service reception performance is enhanced.
  • FIG. 5 is a structural diagram of another apparatus for resource scheduling according to Embodiment 1 of the present invention. As shown in FIG. 5, the apparatus includes a notification module, a service providing module, a determining module, and a scheduling module.
  • the service providing module is configured to provide a service to the user equipment, send the frequency resource block information that provides the service to the determining module, and provide the user equipment with the frequency resource block received from the scheduling module.
  • the notification module is configured to notify the user that the target cell to be measured by the device, and send the bandwidth of the target cell to the determining module.
  • a determining module configured to receive a bandwidth and a service providing mode of the target cell sent by the notification module After the frequency resource block information sent by the block, when it is determined that the frequency resource block providing the service is not within the receiving bandwidth when the user equipment measures the target cell, the trigger information is sent to the scheduling module.
  • the scheduling module is configured to: after receiving the trigger information sent by the determining module, select a frequency resource block from the receiving bandwidth when the user equipment measures the target cell, and send the frequency resource block to the service providing module.
  • the determining module is further configured to determine that no resource scheduling is required when determining that the frequency resource block providing the service is within the receiving bandwidth of the user equipment when measuring the target cell.
  • the device can be placed in a base station.
  • the second resource scheduling apparatus notifies the UE of the bandwidth of the target cell and the target cell to be measured by using the notification module, and determines the frequency resource block for providing the service by the determining module.
  • the scheduling scheduling module schedules a frequency resource block within the receiving bandwidth when the UE measures the target cell, and provides a service for the UE. Therefore, during the cell reselection process, the service reception is guaranteed to be uninterrupted, and the service reception performance is enhanced.
  • FIG. 6 is a structural diagram of a user equipment according to Embodiment 1 of the present invention. As shown in FIG. 6, the user equipment includes a receiving module, a system broadcast storage module, a determining module, and a notification module.
  • the receiving module is configured to receive a service provided by the current serving cell, and send, to the determining module, a frequency band that receives the service.
  • the system broadcast storage module is configured to save a system broadcast that includes a target cell bandwidth sent by the current serving cell, and forward the method to the determining module.
  • a determining module configured to: after receiving the target cell bandwidth sent by the system broadcast storage module and the frequency band of the receiving service sent by the receiving module, determining that the frequency band of the current receiving service is not within the receiving bandwidth when the target cell is measured, sending the notification module to the notification module Resource scheduling notification.
  • the notification module is configured to receive and forward a resource scheduling notification of the determining module.
  • the determining module is further configured to determine that no resource scheduling is required when determining that the frequency resource block providing the service is within the receiving bandwidth of the user equipment when measuring the target cell.
  • the user equipment provided by the first embodiment of the present invention provides the frequency band of the current receiving service and the target cell to be measured to the determining module by using the receiving module and the system broadcast storage module respectively.
  • the bandwidth is determined by the determining module when the frequency band of the current received service is not within the receiving bandwidth when the UE measures the target cell; the notification module notifies the current serving cell to schedule the frequency resource block within the receiving bandwidth when the UE measures the target cell,
  • the UE provides services. Therefore, during the cell reselection process, the service reception is guaranteed to be uninterrupted, and the service reception performance is enhanced.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • the resource scheduling method provided in this embodiment provides services for the user equipment at the same time in the current serving cell and the frequency resource block of the neighboring cell; when the frequency resource blocks for providing the service to the user equipment in the current serving cell and the neighboring cell are different, A resource block that is the same as a frequency resource block that provides services for the neighboring cell is selected from the current serving cell to provide services for the user equipment.
  • FIG. 7 is a method for scheduling MBMS resources in Embodiment 2 of the present invention. As shown in FIG. 7, the method includes the following steps:
  • Step 600 The current serving cell and the frequency resource block of the neighboring cell provide MBMS at the same time.
  • Step 601 Determine whether the frequency resource block for providing the MBMS in the current serving cell and the neighboring cell is the same. If yes, go to step 602; otherwise, go to step 603.
  • FIG. 8 is a schematic diagram of the application scenario 3 in the second embodiment of the present invention. As shown in FIG. 8, the horizontal direction is the frequency, and the width of the square in the figure represents the bandwidth. If the frequency resource block A provides the MBMS for the UE in the current serving cell, and is different from the frequency resource block C that provides the MBMS in the neighboring cell, step 603 is performed; if the frequency resource block B provides the MBMS for the UE in the current serving cell, Provided with neighboring cells
  • step 602 is performed.
  • Step 602 Determine that MBMS resource scheduling is not required, and end the process.
  • the frequency resource block B in the current serving cell provides the MBMS for the UE, because the frequency resource block B and the phase If the neighboring cell provides the same frequency resource block of the MBMS, the UE may combine the received MBMS signals provided by the current serving cell and the neighboring cell, and therefore still use the original resource to provide the MBMS for the UE without performing resource scheduling.
  • Step 603 Select a resource block from the current serving cell that is the same as the frequency resource block that the neighboring cell provides the MBMS, provide the MBMS for the UE, and then end the process.
  • the current serving cell schedules the same resource as the frequency resource block of the neighboring cell that provides the MBMS, such as the frequency resource block B, and provides the MBMS for the UE, so that the UE receives the MBMS.
  • the MBMS signals provided by the two cells the MBMS signals of the current serving cell and the neighboring cells are combined to enhance the MBMS receiving performance.
  • the UE may also receive the MBMS signal provided by the frequency resource block of the neighboring cell, without causing the MBMS reception interruption; Combining the MBMS signals provided by the frequency resource blocks of the two cells can overcome the multipath fading generated during the wireless transmission.
  • the MBMS resource scheduling method provided by the second embodiment of the present invention performs resource scheduling when the current serving cell and the neighboring cell provide different MBMS frequency resource blocks to the UE, so that the current serving cell and the neighboring cell The MBMS is provided to the UE using the same frequency resource block, thereby enhancing the reception performance of the MBMS.
  • FIG. 9 is a structural diagram of a device for resource scheduling according to Embodiment 2 of the present invention.
  • the device includes: a determining module, configured to: when a current serving cell and a frequency resource block of a neighboring cell simultaneously provide services for a user equipment And determining, by the current service, whether the current resource cell and the neighboring cell provide the same frequency resource block as the neighboring cell, and the scheduling module is configured to: when the judgment result of the determining module is different from the current resource cell and the frequency resource block provided by the neighboring cell, the current service The resource block in the cell that is the same as the frequency resource block that the neighboring cell provides the service is selected to provide services for the user equipment.
  • the scheduling module may be further configured to determine that resource scheduling is not required when the judgment result of the determining module is that the current serving cell and the neighboring cell have the same frequency resource block for providing the service to the user equipment.
  • the device can be placed in a base station. It can be seen from the above that, in the device for resource scheduling provided by the second embodiment of the present invention, the determining module determines whether the frequency resource blocks of the current serving cell and the neighboring cell provide services are the same. When not, the scheduling module selects from the current serving cell. A resource block that is the same as a frequency resource block in which a neighboring cell provides a service, and provides a service for the UE. The UE can perform the combined decoding and decoding of the received service signals of the two cells to obtain the service content, thereby enhancing the service receiving performance.
  • FIG. 10 is a structural diagram of another apparatus for resource scheduling according to Embodiment 2 of the present invention. As shown in FIG. 10, the apparatus includes a service module, a judging module, and a scheduling module.
  • the service module is configured to: after determining that the resources of the current serving cell and the neighboring cell provide services for the user equipment, send a notification to the determining module and frequency resource block information of the current serving cell, and use the frequency resource block sent by the scheduling module. Provide services for user equipment.
  • the determining module is configured to: after receiving the notification sent by the service module, determine that the trigger information is sent to the scheduling module when the current serving cell and the neighboring cell provide different frequency resource blocks for the service.
  • the scheduling module is configured to: after receiving the trigger information sent by the determining module, select a resource block that is the same as the frequency resource block that is provided by the neighboring cell from the current serving cell, and send the resource block to the service module.
  • the judging module is further configured to determine that no resource scheduling is required when determining that the current serving cell and the neighboring cell have the same frequency resource block for providing the service to the user equipment.
  • the device can be placed in a base station.
  • the determining module determines that the current serving cell and the neighboring cell provide different frequency resource blocks
  • the triggering scheduling module is used from the current serving cell.
  • the same resource block as the frequency resource block in which the neighboring cell provides the service is selected to provide services for the UE.
  • the UE can perform the combined decoding of the received service signals of the two cells to obtain the service content, thereby enhancing the service receiving performance.
  • FIG. 11 is a structural diagram of a user equipment according to Embodiment 2 of the present invention. As shown in FIG. 11, the user equipment includes a receiving module, a determining module, and a notification module.
  • the receiving module is configured to receive the service provided by the current serving cell and the neighboring cell, and send the frequency resource block information of the two cells to provide the service to the determining module.
  • a determining module configured to send a resource scheduling notification to the notification module when determining that the received frequency resource blocks of the two cells providing services are different.
  • the notification module is configured to receive and forward a resource scheduling method of the determining module.
  • the determining module is further configured to determine that no resource scheduling is required when determining that the frequency resource blocks of the two serving cells serving the user equipment are the same.
  • the notification module when the determining module determines that the frequency resource blocks for providing services in the two cells are different, notifies the current serving cell scheduling and the neighboring cell to provide services for the UE.
  • the same resource block of the frequency resource block provides services for the UE.
  • the UE can perform the combined decoding and decoding of the received service signals of the two cells to obtain the service content, thereby enhancing the service receiving performance.
  • the UE when determining the target cell to be measured by the UE, determining that the frequency resource block providing the service is not within the receiving bandwidth when the UE measures the target cell, The UE selects a frequency resource block within the receiving bandwidth when the UE measures the target cell, and provides a service for the UE, thereby avoiding service interruption in the cell reselection process and enhancing service receiving performance.
  • the resource scheduling is performed, so that the current serving cell and the neighboring cell use the same frequency resource block to provide services to the UE, thereby enhancing service reception. performance.

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

Abstract

L'invention concerne un procédé visant à planifier une ressource et consistant à : déterminer une cellule cible à mesurer au moyen d'un équipement utilisateur lorsque des blocs de ressource de fréquence destinés à fournir le service le service se trouvent dans la largeur de bande de réception de l'équipement utilisateur mesurant la cellule cible; sélectionner les blocs de ressourcesde fréquence dans la largeur de bande de réception de l'équipement utilisateur mesurant la cellule cible et envoyer à l'équipement utilisateur le service. L'invention concerne également un dispositif et un équipement utilisateur pour planifier une ressource. Grâceà cette invention, il est possible d'éviter l'interruption de service intervenue au cours de la resélection de cellule et d'améliorer la réception du service.
PCT/CN2008/070457 2007-03-16 2008-03-10 Procédé, dispositif et équipement utilisateur pour planifier une ressource Ceased WO2008113285A1 (fr)

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CN200710087527.2 2007-03-16
CN2007100875272A CN101267660B (zh) 2007-03-16 2007-03-16 一种资源调度的方法、装置及用户设备

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CN102045685B (zh) 2009-10-15 2012-06-27 华为技术有限公司 小区重选列表和/或频率列表建立方法及装置
CN102595326B (zh) * 2011-01-04 2015-07-22 上海贝尔股份有限公司 在无线通信网络的基站中用于切换多媒体广播多播业务用户终端的方法
WO2025199999A1 (fr) * 2024-03-29 2025-10-02 北京小米移动软件有限公司 Procédés de communication, appareils de communication, terminal, dispositif de réseau d'accès et support de stockage
CN118721436B (zh) * 2024-08-12 2025-01-03 重庆交通大学 一种高性能纤维混凝土加工用自动分散装置

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CN1731883A (zh) * 2004-08-04 2006-02-08 中兴通讯股份有限公司 Td－scdma系统中切换判决方法
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