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WO2014032626A1 - 调度方法、用户设备和基站 - Google Patents

调度方法、用户设备和基站 Download PDF

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Publication number
WO2014032626A1
WO2014032626A1 PCT/CN2013/082794 CN2013082794W WO2014032626A1 WO 2014032626 A1 WO2014032626 A1 WO 2014032626A1 CN 2013082794 W CN2013082794 W CN 2013082794W WO 2014032626 A1 WO2014032626 A1 WO 2014032626A1
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WO
WIPO (PCT)
Prior art keywords
user equipment
public message
base station
reference signal
completed
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.)
Ceased
Application number
PCT/CN2013/082794
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English (en)
French (fr)
Inventor
张向东
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.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
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 Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of WO2014032626A1 publication Critical patent/WO2014032626A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0078—Timing of allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044—Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals

Definitions

  • the present application claims the priority of the Chinese Patent Application No. 201210319623.6, entitled “Scheduling Method, User Equipment and Base Station", filed on August 31, 2012, the entire contents of which is incorporated herein by reference. .
  • TECHNICAL FIELD The present invention relates to the field of communications, and in particular, to a scheduling method, a user equipment, and a base station. Background technique
  • M2M machine-to-machine
  • MTC machine-type communication
  • An optimization direction of the mobile communication network is to reduce the cost of the mobile communication terminal device, and provide a low-cost MTC user equipment based on the LTE (Long Term Evolution) network, so that the terminal equipment cost meets the requirements of the Internet of Things application, so as to better Hosting IoT applications on LTE communication networks.
  • LTE Long Term Evolution
  • one possible technique is to reduce the working (transmitting/receiving) bandwidth supported by the UE, that is, to provide support for narrowband UEs in an existing broadband network system.
  • the narrowband UE may select a narrowband subband to access or stay.
  • a narrowband UE that is in an idle state stays in multiple narrowbands, it is necessary to simultaneously transmit a common message, for example, a system message, on multiple narrowbands to ensure that all are in different narrowbands.
  • the UE can receive it.
  • the narrowband in the system is functionally divided, and one narrowband of the plurality of downlink narrowbands is selected for common message transmission, and the remaining narrowbands are used for data of the narrowband UE. Schedule and send.
  • the narrowband UE can receive the public message on the narrowband of the common message according to certain rules.
  • the current system message update method is to notify the system message update in the previous update cycle, and send the updated system message in the next update cycle.
  • system messages are usually sent multiple times on a system message time window.
  • the maximum length of the system message time window is 40ms.
  • the narrowband UE After completing the system message reception, the narrowband UE returns to the narrow band of data that it originally stayed to continue data transmission and reception. Since the base station does not know when the narrowband UE completes receiving the system message and returns to the narrowband where the narrowband UE originally stays, the base station cannot schedule the narrowband UE in the entire system message time window, but until the entire system message When the time window expires, the narrowband UE is scheduled, which causes waste of time resources. Summary of the invention
  • Embodiments of the present invention provide a scheduling method, a user equipment, and a base station, which can improve utilization of time resources.
  • a scheduling method including: receiving, by a user equipment, a public message sent by a base station on a narrowband of a common message in a public message time window; when the user equipment receives the public message, the user equipment Switching from the narrowband of the common message to the narrowband of data; the user equipment notifies the base station that the user equipment completes the reception of the public message, so that the base station schedules the user equipment to transmit data on the narrowband of the data during the remaining time of the common message time window.
  • the method includes: the user equipment notifying, by using a reference signal, that the user equipment receives the public message by the user equipment; or And the user equipment notifies the base station that the user equipment receives the public message by sending a scheduling request to the base station; or, the user equipment notifies the base station that the user equipment receives the public message by initiating a random access procedure; Alternatively, the base station is notified by the dedicated message that the receiving of the public message by the user equipment is completed.
  • the foregoing by using a reference signal, to notify the base station that the user equipment completes the receiving of the public message, includes: before the receiving of the public message is completed, not Transmitting the sounding reference signal on the narrowband of the first sounding reference signal, and after the receiving of the public message is completed, transmitting the sounding reference signal on the narrowband of the first sounding reference signal according to a preset rule, informing the base station of the receiving of the public message by the user equipment carry out.
  • the method includes: before the public message is received, according to the preset Rule, transmitting a probe on at least one narrowband of the sounding reference signal And a reference signal, and when the receiving of the common message is completed, stopping transmitting the sounding reference signal on one of the narrowband of the at least one sounding reference signal to notify the base station that the public message reception is completed.
  • a scheduling method including: sending, by a base station, a public message to a user equipment on a narrowband of a common message in a common message time window; and determining, by the base station, the user equipment of the public message according to the notification of the user equipment Receiving is completed; the base station, when determining that the user equipment receives the public message, schedules the user equipment to transmit data on the narrowband of data during the remaining time of the common message time window.
  • the determining, by the base station, that the user equipment receives the public message according to the notification of the user equipment includes: determining, by the base station, the user equipment, the public message according to the reference signal sent by the user equipment Or the base station determines, according to the scheduling request sent by the user equipment, that the user equipment completes the receiving of the public message; or, the station determines, according to the random access procedure initiated by the user equipment, the user equipment The receiving of the common message is completed; or, the base station determines, according to the dedicated message sent by the user equipment, that the user equipment receives the public message.
  • the determining, by the base station, the receiving, by the user equipment, the receiving, by the user equipment, the receiving of the public message the: And a preset rule, the sounding reference signal is received on the narrowband of the first sounding reference signal, and when the sounding reference signal is received on the narrowband of the first sounding reference signal, determining that the user equipment receives the public message is completed.
  • the determining, by the base station, the receiving, by the user equipment, the receiving, by the user equipment, the completion of the public message the: And a preset rule, when the sounding reference signal is received on the narrowband of the at least one sounding reference signal, and the sounding reference signal is not received on one of the narrowband of the at least one sounding reference signal, determining that the user equipment receives the public message.
  • a third aspect provides a user equipment, including: a receiving module, configured to receive, in a public message time window, a public message sent by a base station on a narrowband of a common message; and a switching module, configured to complete the receiving of the public message And the notification module is configured to notify the base station that the user equipment receives the public message, so that the base station schedules the user equipment to narrow the data in the remaining time of the public message time window. Transfer data on.
  • the notification module is configured to notify the base station by using a reference signal Receiving, by the user equipment, the public message is received; or, by sending a scheduling request to the base station, notifying the base station that the user equipment completes the receiving of the public message; or, by initiating a random access procedure, notifying the base station that the user equipment The receiving of the public message is completed; or the base station is notified by the dedicated message that the receiving of the public message by the user equipment is completed.
  • the notification module does not send the sounding reference signal on the narrowband of the first sounding reference signal before the receiving of the public message is completed, and After the receiving of the public message is completed, the sounding reference signal is sent on the narrowband of the first sounding reference signal according to a preset rule, and the base station is notified that the receiving of the public message by the user equipment is completed.
  • the notification module sends the sounding reference on the narrowband of the at least one sounding reference signal according to a preset rule before the public message is received. And transmitting a sounding reference signal on one of the narrow bands of the at least one sounding reference signal to notify the base station that the public message reception is completed when the public message is received.
  • a base station including: a sending module, configured to send a public message to a user equipment on a narrowband of a common message in a public message time window; and a determining module, configured to determine the user according to the notification of the user equipment The receiving of the public message is completed by the device.
  • the scheduling module is configured to, when determining that the user equipment receives the public message, schedule the user equipment to transmit data on the narrowband of the data for the remaining time of the public message time window.
  • the determining module determines, according to the reference signal sent by the user equipment, that the user equipment receives the public message, or the base station determines, according to the scheduling request sent by the user equipment, the user equipment pair.
  • the receiving of the public message is completed; or the base station determines that the user equipment receives the public message according to the random access procedure initiated by the user equipment; or, the base station determines the user equipment pair according to the dedicated message sent by the user equipment.
  • the reception of the public message is completed.
  • the determining module receives the sounding reference signal on the narrowband of the first sounding reference signal, and receives the narrowband of the first sounding reference signal When the reference signal is detected, it is determined that the user equipment receives the public message.
  • the determining module receives the sounding reference signal on the narrowband of the at least one sounding reference signal according to a preset rule, and determines that the user equipment of the public message is not received when the sounding reference signal is not received on one of the narrowband of the at least one sounding reference signal Reception is complete.
  • the base station when the user equipment completes the reception of the public message in the public message time window, the base station is notified that the user equipment has received the public message in time, so as to prevent the base station from waiting until the public message time window expires. Scheduling, thereby improving the utilization of time resources.
  • FIG. 1 is a schematic flow chart of a scheduling method in accordance with one embodiment of the present invention.
  • FIG. 2 is a schematic flow diagram of a scheduling method in accordance with another embodiment of the present invention.
  • FIG. 3 is a schematic flow chart of a scheduling process in accordance with one embodiment of the present invention.
  • FIG. 4 is a schematic flow chart of a scheduling process in accordance with another embodiment of the present invention.
  • FIG. 5 is a schematic flow chart of a scheduling process according to still another embodiment of the present invention.
  • FIG. 6 is a schematic flow chart of a scheduling process according to still another embodiment of the present invention.
  • FIG. 7 is a schematic flow chart of a scheduling process according to another embodiment of the present invention.
  • FIG. 8 is a structural schematic diagram of a user equipment according to an embodiment of the present invention.
  • FIG. 9 is a structural schematic diagram of a base station in accordance with one embodiment of the present invention.
  • FIG. 10 is a schematic structural diagram of a user equipment according to another embodiment of the present invention.
  • FIG. 11 is a schematic structural diagram of a base station according to another embodiment of the present invention. detailed description
  • GSM Global System for Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • LTE-A Advanced Long Term Evolution
  • the system, the UMTS Universal Mobile Telecommunication System
  • the embodiment of the present invention will be described by taking an LTE network as an example. Different network elements can be included in the system.
  • the network elements of the radio access network in the LTE and LTE-A include an eNB (eNodeB, an evolved base station), and the network elements of the radio access network in the WCDMA include an RNC (Radio Network Controller) and a NodeB, similar to Other wireless networks such as WiMax (Worldwide Interoperability for Microwave Access) may also use a scheme similar to the embodiment of the present invention, but the related modules in the base station system may be different, and the embodiment of the present invention does not For the convenience of description, the following embodiments will be described by taking an eNodeB as an example.
  • a user equipment or a terminal device includes but is not limited to a mobile station (MS, Mobile Station), a mobile terminal (Mobile Terminal), a mobile phone (Mobile Telephone), and a mobile phone. (handset) and portable equipment (ortable equipment), etc., the user equipment may also be various devices having certain sensing, computing, executing, and communication capabilities in the Internet of Things, which may be via a Radio Access Network (RAN). Communicate with one or more core networks.
  • the user device can be a mobile phone (or "cellular" phone), a computer with wireless communication capabilities, etc., and the user device can also be a portable, pocket, handheld, computer built-in or in-vehicle mobile device.
  • Embodiments in accordance with the present invention may be mainly applied to a scenario in which a plurality of narrowband supports narrowband user equipment access in a wideband system and divides the narrowband into a common message narrowband and a data narrowband.
  • a common message such as a system message
  • a common message time window preset time period
  • FIG. 1 is a schematic flow chart of a scheduling method in accordance with one embodiment of the present invention.
  • the method of Figure 1 is performed by a user equipment, including the following. 110.
  • the user equipment receives a public message sent by the base station on a narrowband of the public message in a public message time window.
  • the base station can transmit the public message on the narrowband of the common message within a preset common message time window so that a plurality of user equipments can receive the public message on the narrowband of the common message within the common message time window when needed.
  • the user equipment leaves the narrowband of the current data and receives the public message on the narrowband of the public message where the public message is located.
  • the common message time window may refer to a preset time period in which the base station transmits the public message on the narrowband of the common message, and the common message time window may be periodic and pre-configured on the base station and the user equipment side.
  • the user equipment switches from the narrowband of the common message to the narrowband of data when the receiving of the public message is completed.
  • the user equipment When the user equipment completes the reception of the public message, it will leave the narrowband of the public message, return to the narrowband of the original data, or jump to another narrowband of data.
  • the user equipment notifies the base station that the user equipment completes the reception of the public message, so that the base station schedules the user equipment to transmit data on the narrowband of data during the remaining time of the common message time window.
  • the receiving of the public message may be notified to the base station by using a specific signaling message for the remaining time of the public message time window, or within the public message time window.
  • the sending of the abnormality of the preset signaling message is used to notify the base station that the reception of the public message is completed, or the indication information is carried in the preset signaling to notify the base station that the reception of the public message is completed, or the base station public message may be notified through the dedicated signaling message.
  • the reception is completed.
  • the base station can learn that the user equipment has completed receiving the public message and switches to the data narrowband to receive the data according to the notification of the user equipment, that is, the user equipment can receive the data, so that the user equipment can perform data scheduling in time.
  • the user equipment can let the base station know that the user equipment has received the public message in time, so as to prevent the base station from scheduling the user equipment until the public message time window expires, thereby improving the utilization of the time resource.
  • the user equipment can notify the base station of the completion of the reception of the public message by the base station by using a reference signal.
  • the reference signal may be a different sounding reference signal of the user equipment according to a preset frequency hopping rule.
  • Sounding Reference Signal (SRS) SRS sent to the base station on a narrowband.
  • the base station public message reception completion may be notified according to the abnormality sent by the SRS in the common message time window.
  • the SRS is normally transmitted at other times than the public message time window, and the SRS is abnormally transmitted within the common message time window.
  • the base station is enabled to know from the abnormality that the user equipment's reception of the public message has been completed.
  • the user equipment may notify the base station that the receiving of the public message by the user equipment is completed by sending a scheduling request to the base station.
  • the user equipment has a resource for transmitting a scheduling request in the public message time window after completing the reception of the public message, sending a scheduling request to the base station on the resource, in other words, in the public message receiving window, If the reception of the public message is not completed, the user equipment does not send the scheduling request; the user equipment sends the scheduling request only after the reception of the public message is completed, and there is a scheduling request resource for the remaining time of the public message receiving window. If the base station receives the scheduling request within the public message time window, it is determined that the user equipment has completed receiving the public message.
  • the user equipment may notify the base station that the receiving of the public message by the user equipment is completed by initiating a random access procedure.
  • the user equipment initiates a random access procedure in a common message time window. If the base station identifies the random access procedure initiated by the user equipment in the public message time window, it is considered that the user equipment receives the public message, or the user equipment is In the random access process, the uplink message carries the indication information, indicating that the user equipment completes the reception of the public message. If the base station receives the uplink message in the public message time window, it is determined that the user equipment receives the public message.
  • the user equipment may notify the base station of the completion of the reception of the public message by the user equipment by using a dedicated message.
  • the user equipment may send dedicated signaling to the base station to notify the base station user equipment that the reception of the public message is completed.
  • the base station may also be notified by using a combination of at least two of the above notification methods. For example, you can set priorities for different notification methods and select notification methods by priority. For example, it is assumed that the priority of the notification method based on the scheduling request is higher than the priority of the notification method based on the reference signal, and the notification mode based on the reference signal is higher than the priority of the notification mode based on the dedicated message, and the user equipment completes the After the public message is received, if the user equipment has scheduling resources, the notification method based on the scheduling request is preferentially used. Otherwise, the selection is based on the reference. The notification mode of the signal, and only when the base station can no longer be notified by the above method, the notification mode based on the dedicated message is selected to save the signaling overhead as much as possible.
  • the user equipment may not send the SRS on the first SRS narrowband before the reception of the public message is completed, and after the reception of the public message is completed, according to the preset rule in the first SRS The SRS is sent on the narrowband, and the base station is notified that the receiving of the public message by the user equipment is completed.
  • the first SRS narrowband is a predetermined narrowband of at least one SRS narrowband.
  • multiple SRSs may be sent according to a preset frequency hopping rule, and within the public message time window, the SRS is sent on the first SRS narrowband only after the user equipment completes the reception of the public message, so that The base station can determine the completion of receiving the public message by the user equipment according to the change or abnormality.
  • the user equipment may send the SRS on the at least one SRS narrowband according to a preset rule before the public message is received, and stop at the at least one SRS when the public message reception is completed.
  • An SRS is transmitted on one of the narrowbands to inform the base station that the reception of the public message is completed.
  • the SRS narrowband that stops transmitting the SRS may be a narrowband of at least one SRS narrowband.
  • multiple SRSs may be sent according to a preset frequency hopping rule, and in the public message time window, multiple SRSs may also be sent according to a preset frequency hopping rule, and only when the user equipment pairs the public message After the reception is completed, the SRS is stopped on the narrowband that should transmit the SRS according to the preset frequency hopping rule, so that the base station can determine the completion of the reception of the public message by the user equipment according to the change or abnormality.
  • the SRS signal is transmitted on the corresponding SRS narrowband; after the public message reception is completed, the SRS should be deliberately sent according to the existing rules.
  • the SRS signal is not transmitted on the SRS narrowband of the signal.
  • the SRS narrowband that stops transmitting the SRS is related to the time when the reception of the public message is completed. For example, after the reception of the public message is completed, if the user equipment should transmit the SRS on the SRS narrowband numbered 0, the SRS narrowband with the number 0 is stopped.
  • the SRS is sent, for example, if the user equipment should send the SRS on the SRS narrowband numbered 3 after the reception of the public message is completed, then the SRS is stopped on the SRS narrowband numbered 3.
  • FIG. 2 is a schematic flow chart of a scheduling method in accordance with another embodiment of the present invention.
  • the embodiment of Figure 2 is performed by a base station, corresponding to the method of Figure 1, and includes the following. In order to avoid duplication, in This detailed description is omitted as appropriate.
  • the base station sends a public message to the user equipment on the narrowband of the public message in a common message time window.
  • the base station determines, according to the notification of the user equipment, that the user equipment receives the public message.
  • the base station when determining that the user equipment receives the public message, schedules the user equipment to transmit data on the narrowband of data during the remaining time of the public message time window.
  • the base station can be informed in time that the user equipment has received the public message, so that the user equipment is scheduled in time, thereby improving the utilization of the time resource.
  • the base station may determine, according to the reference signal sent by the user equipment, that the user equipment receives the public message.
  • the base station may determine, according to the scheduling request sent by the user equipment, that the user equipment completes the reception of the public message.
  • the base station determines, according to the random access procedure initiated by the user equipment, that the user equipment receives the public message.
  • the base station may determine, according to the dedicated message sent by the user equipment, that the user equipment receives the public message.
  • the base station may receive the SRS on the first SRS narrowband according to a preset rule, and determine, when the SRS is received on the first SRS narrowband, the user equipment to receive the public message. carry out.
  • the base station may receive the SRS on the at least one SRS narrowband according to a preset rule, and determine the user when the base station does not receive the SRS on one of the at least one SRS narrowband.
  • the device receives the receipt of the public message.
  • the base station may be an eNodeB
  • the user equipment may be a narrowband user equipment.
  • the eNodeB represents the control base station of the current serving cell of the user equipment, but the present invention is not limited to the specific system represented by the term, but can be similarly applied to other forms of base stations.
  • the user equipment is configured with a SRS narrowband for reporting the SRS.
  • the base station sends a public message on the narrowband of the common message in a common message time window.
  • a common message narrowband eg, a common message narrowband
  • the base station may periodically transmit the plurality of public messages on the narrowband of the common message within the common message time window so that the plurality of user equipments can receive the public message transmitted on the narrowband of the common message within the common message time window.
  • the public message time window can be preset, for example, set to 40ms.
  • the user equipment determines that a public message needs to be received.
  • the public message may be a system message.
  • SI system information
  • the user equipment receives the public message on the narrowband of the public message in a public message time window.
  • the user equipment may leave the narrowband of the original data within a preset time window, jump to the narrowband of the public message, and receive the public message sent by the base station on the narrowband of the public message.
  • step 340 The user equipment determines whether the reception of the public message is completed. If the user equipment completes the reception of the public message, step 350 is performed. Otherwise, step 330 is continued.
  • the user equipment receives or listens to the public message on the narrowband of the common message within the common message time window until the reception of the public message is completed or the public message is successfully received.
  • the user equipment switches to a narrowband of data and sends an SRS on the first SRS narrowband.
  • the user equipment can return to the original data narrowband and notify the base station through the SRS that it has completed receiving the public message.
  • the user equipment can transmit SRS (e. g., a series of pulse signals) on a particular (or preset) SRS narrowband (e.g., periodically) to indicate that the user equipment is completing the reception of the common message.
  • SRS e. g., a series of pulse signals
  • the base station determines whether the SRS is received on the first SRS narrowband within the common message time window. If the base station receives the SRS on the first SRS narrowband within the common message time window, step 370 is performed, otherwise step 380 is performed.
  • the following setting or convention may be performed on the user equipment side and the base station side: On the user equipment side, in the public message time window, if the user equipment does not complete the reception of the public message, the SRS is not sent on the specific SRS narrowband. If the user equipment completes the reception of the public message, it is specific The SRS is transmitted on the SRS narrowband; on the base station side, if the SRS is received on the specific SRS narrowband within the common message time window, it is determined that the user equipment has completed receiving the public message.
  • the base station schedules the user equipment in a common message time window.
  • the base station may determine that the user equipment has completed receiving the public message, that is, the user equipment can transmit the data through the data narrowband. Although the current public message time window has not expired, the base station can schedule the user equipment in advance, thereby improving the utilization of time resources.
  • the method for transmitting the SRS on the specific SRS narrowband in the common message time window is used to notify the base station that the user equipment has completed receiving the public message without using dedicated signaling, thereby saving signaling overhead.
  • the base station schedules the user equipment when the public message time window expires.
  • the base station If the base station does not receive the SRS sent by the user equipment on the specific SRS narrowband until the public message time window expires, the base station schedules the user equipment for data transmission after the public message time window expires.
  • the base station may be an eNodeB
  • the user equipment may be a narrowband user equipment.
  • the eNodeB represents the control base station of the current serving cell of the user equipment, but the present invention is not limited to the specific system represented by the term, but can be similarly applied to other forms of base stations.
  • the user equipment is configured to report the SRS on the narrowband SRS.
  • 410, 420, and 430 of Fig. 4 are similar to 310, 320, and 330 of Fig. 3, and will not be described again.
  • the base station sends a public message on a narrowband of the common message in a common message time window.
  • the user equipment determines that a public message needs to be received.
  • the user equipment receives the public message on the narrowband of the public message within the public message time window.
  • step 440 The user equipment determines whether the public message is received. If the user equipment completes the reception of the public message, step 450 is performed. Otherwise, step 445 is performed.
  • the user equipment receives or listens to the public message on the narrowband of the common message within the common message time window until the reception of the public message is completed or the public message is successfully received.
  • the user equipment sends the SRS on the at least one SRS narrowband according to a rule in a common message time window.
  • the preset Rules eg, frequency hopping rules
  • the user equipment switches to a narrowband of data and stops transmitting SRS on one of the at least one SRS narrowband.
  • the user equipment After the user equipment completes the reception of the public message, it can return to the original data narrowband. If the user equipment completes the reception of the public message in the public message time window, the SRS is not transmitted on the SRS narrowband in which the SRS should be sent in the at least one SRS narrowband. For example, if the reception of the public message is completed, the frequency hopping rule should be The SRS is transmitted on the SRS narrowband numbered 0, at which time the user equipment deliberately does not transmit the SRS on the SRS narrowband numbered 0.
  • the base station determines whether the SRS is not received on one of the at least one SRS narrowband in the common message time window. If the base station does not receive the SRS on one of the at least one SRS narrowband in the common message time window, step 470 is performed, otherwise execution is performed. Step 480.
  • the user equipment side and the base station side may perform the following settings or conventions: On the user equipment side, in the public message time window, if the user equipment does not complete the public message reception, the user equipment hops according to the existing SRS. Rules (eg, periodically on different SRS narrowbands) to send SRS, otherwise, within a common message time window, SRS is not sent on a particular SRS narrowband that needs to transmit SRS according to existing SRS hopping rules; On the base station side, in the public message time window, if the user equipment does not receive the SRS on the SRS narrowband that should receive the SRS according to the existing SRS frequency hopping rule, it is determined that the user equipment completes the public message reception, otherwise, it is determined. The user equipment did not complete the public message reception.
  • Rules eg, periodically on different SRS narrowbands
  • the base station schedules the user equipment in a public message time window.
  • the base station may determine that the user equipment has completed receiving the public message, that is, the user equipment can pass the data narrowband. transfer data. Although the public message time window has not expired, the base station can schedule the user equipment in advance, thereby improving the utilization of time resources.
  • the base station user equipment is notified to complete the public message by periodically transmitting the SRS on the at least one SRS narrowband within the common message time window and stopping transmitting the SRS on one of the at least one SRS narrowband when receiving the public message.
  • the reception does not require dedicated signaling, thus saving signaling overhead.
  • the base station schedules the user equipment when the public message time window expires. If the base station can periodically receive the SRS sent by the user equipment on the at least one SRS narrowband before the expiration of the common message time window, the base station schedules the user equipment for data transmission when the public message time window expires.
  • FIG. 5 is a schematic flow chart of a scheduling process according to still another embodiment of the present invention.
  • the base station may be an eNodeB
  • the user equipment may be a narrowband user equipment.
  • the eNodeB represents the control base station of the current serving cell of the user equipment, but the present invention is not limited to the specific system represented by the term, but can be similarly applied to other forms of base stations.
  • the user equipment can configure resources for transmitting scheduling requests.
  • 510, 520, and 530 of FIG. 5 are similar to 310, 320, and 330 of FIG. 3, and are not described herein again.
  • the base station sends a public message on a narrowband of the common message in a common message time window.
  • the user equipment determines that a public message needs to be received.
  • the user equipment receives the public message on the narrowband of the public message in a common message time window. 540. The user equipment determines whether the public message is received. If the user equipment completes the reception of the public message, step 550 is performed. Otherwise, step 530 is continued.
  • the user equipment receives or listens to the public message on the narrowband of the common message within the common message time window until the reception of the public message is completed or the public message is successfully received.
  • the user equipment switches to a narrowband of data and sends a scheduling request to the base station.
  • the user equipment after the user equipment completes the reception of the public message, it can return to the original data narrowband. If the user equipment is configured with the SR resource, and the SR resource falls within the public message time window after the user equipment completes the public message reception, the user equipment may send an SR request to the base station to indicate that it completes the public message reception.
  • the embodiment of the present invention does not limit the sequence of performing the steps of switching to the data narrowband and the step of sending the scheduling request to the base station. For example, the user equipment may first send a scheduling request to the base station and then switch to the data narrowband, or may switch to The data narrowband transmits a scheduling request to the base station at the same time.
  • the base station determines whether a scheduling request is received in the public message time window. If the base station receives the scheduling request in the public message time window, step 570 is performed; otherwise, step 580 is performed.
  • the user equipment side and the base station side may perform the following settings or conventions: On the user equipment side, in the public message time window, if the user equipment does not complete the public message reception, the user equipment does not send any SR request, and vice versa. If the user equipment owns the SR resource within the public message time window after the user equipment completes the reception of the public message, the user equipment sends an SR request. Base station side, at In the public message time window, if an SR request is received, it is determined that the user equipment completes the public message reception, otherwise, it is determined that the user equipment does not complete the public message reception.
  • the base station schedules the user equipment in a common message time window.
  • the base station may determine that the user equipment has completed receiving the public message, that is, the user equipment can transmit the data through the data narrowband. Although the current public message time window has not expired, the base station can schedule the user equipment in advance, thereby improving the utilization of time resources.
  • the method for transmitting the scheduling request in the public message time window is used to notify the base station that the user equipment has completed receiving the public message, and does not need to use dedicated signaling, thereby saving signaling overhead.
  • the base station schedules the user equipment when the public message time window expires.
  • the base station If the base station does not receive the scheduling request sent by the user equipment until the public message time window expires, the base station schedules the user equipment for data transmission when the public message time window expires.
  • FIG. 6 is a schematic flow chart of a scheduling process according to still another embodiment of the present invention.
  • the base station may be an eNodeB
  • the user equipment may be a narrowband user equipment.
  • the eNodeB represents the control base station of the current serving cell of the user equipment, but the present invention is not limited to the specific system represented by the term, but can be similarly applied to other forms of base stations.
  • the base station public message reception is completed by the random access procedure.
  • 610, 620, and 630 of FIG. 6 are similar to 310, 320, and 330 of FIG. 3, and are not described herein again.
  • the base station sends a public message on a narrowband of the common message in a common message time window.
  • the user equipment determines that a public message needs to be received.
  • the user equipment receives the public message on the narrowband of the public message in the public message time window. 640. The user equipment determines whether the public message is received. If the user equipment completes the reception of the public message, step 650 is performed. Otherwise, step 630 is continued.
  • the user equipment receives or listens to the public message on the narrowband of the common message within the common message time window until the reception of the public message is completed or the public message is successfully received.
  • the user equipment switches to a narrowband of data and issues a random access request.
  • the user equipment may notify the base station user equipment to complete the public message reception by issuing a random access procedure, that is, a contention-based or non-contention RACH procedure.
  • a random access procedure that is, a contention-based or non-contention RACH procedure.
  • Embodiments in accordance with the present invention do not limit the steps of performing a switch to data narrowband and issue random access
  • the sequence of the steps of the incoming request for example, the user equipment may first initiate a random access request and then switch to the narrowband of the data, or may issue a random access request while switching to the narrowband of the data.
  • the user equipment may also carry indication information in the MSG 3 (message 3) message of the random access procedure to indicate that the user equipment completes the reception of the public message.
  • MSG 3 messages 3
  • the base station determines whether the random access request is identified in the public message time window. If the base station identifies the random access request in the public message time window, step 670 is performed. Otherwise, step 680 is performed.
  • the base station can identify the random access sent by the user equipment, it determines that the user equipment completes the reception of the public message.
  • the user equipment side and the base station side may perform the following settings or conventions: On the user equipment side, in the public message time window, if the user equipment does not complete the public message reception, the user equipment continues to receive the public message, and conversely, the user equipment Initiate a random access procedure. On the base station side, in the public message time window, if the random access procedure initiated by the user equipment is identified, it is determined that the user equipment completes the public message reception.
  • the base station schedules the user equipment in a common message time window.
  • the base station can determine that the user equipment has completed receiving the public message, that is, the user equipment can transmit the data through the data narrowband. Although the current public time window has not expired, the base station can schedule the user equipment in advance, thereby improving the utilization of time resources.
  • the method for sending random access in the public message time window is used to notify the base station that the user equipment has completed receiving the public message, and does not need to use dedicated signaling, thereby saving signaling overhead.
  • the base station schedules the user equipment when the public message time window expires.
  • the base station If the base station does not recognize the random access until the public message time window expires, the base station schedules the user equipment for data transmission when the public message time window expires.
  • FIG. 7 is a schematic flow chart of a scheduling process according to another embodiment of the present invention.
  • the base station may be an eNodeB
  • the user equipment may be a narrowband user equipment.
  • the eNodeB represents the control base station of the current serving cell of the user equipment, but the present invention is not limited to the specific system represented by the term, but can be similarly applied to other forms of base stations.
  • 710, 720, 730, 740, 770, and 780 of FIG. 7 are similar to 310, 320, 330, 340, 370, and 380 of FIG. 3, and are not described herein again.
  • the base station sends a public message on a narrowband of the common message in a common message time window. 720.
  • the user equipment determines that a public message needs to be received.
  • the user equipment receives the public message on the narrowband of the public message within the public message time window.
  • step 750 is performed; otherwise, step 730 is continued.
  • the user equipment switches to a narrowband of data, and notifies the base station user equipment of the completion of receiving the public message by using a dedicated message.
  • the user equipment after the user equipment completes the reception of the public message, it can return to the original data narrowband.
  • the user equipment can notify the base station user equipment of the completion of the reception of the public message by using a dedicated message.
  • the embodiment according to the present invention does not limit the sequence of steps of performing the handover to the data narrowband and the step of notifying the base station by the dedicated message.
  • the user equipment may first notify the base station to switch to the data narrowband through the dedicated message, or may switch to The data is narrowed while the base station is notified by a dedicated message.
  • the base station determines whether the dedicated message sent by the user equipment is received in the public message time window. If the base station receives the dedicated message sent by the user equipment in the public message time window, step 770 is performed, otherwise step 780 is performed.
  • the base station schedules the user equipment in a common message time window.
  • the base station schedules the user equipment when the public message time window expires.
  • FIG. 8 is a block diagram of a user equipment 800 in accordance with one embodiment of the present invention.
  • User equipment 800 includes a receiving module 810, a switching module 820, and a notification module 830.
  • the receiving module 810 receives the public message sent by the base station on the narrowband of the common message within the common message time window.
  • the switching module 820 switches from the narrowband of the common message to the narrowband of the data when the receiving of the public message is completed.
  • the notification module is configured to notify the base station that the user equipment receives the public message, so that the base station schedules the user equipment.
  • the remaining time in the common message time window transmits data over the narrow band of data.
  • the user equipment can let the base station know that the user equipment has received the public message in time, so as to prevent the base station from scheduling the user equipment until the public message time window expires, thereby improving the utilization of the time resource.
  • the notification module 830 is configured to notify the base station that the receiving of the public message by the user equipment is completed by using a reference signal; or notify the base station of the user equipment of the public message by sending a scheduling request to the base station. Receiving completion; or, by initiating a random access procedure, notifying the base station that the user equipment completes the reception of the public message; or, by using a dedicated message, notifying the base station that the user equipment receives the public message.
  • the notification module 830 does not send the SRS on the first SRS narrowband before the reception of the public message is completed, and sends the first SRS narrowband according to a preset rule after the reception of the public message is completed.
  • the SRS notifies the base station that the user equipment completes the reception of the public message.
  • the notification module 830 transmits the SRS on the at least one SRS narrowband according to a preset rule before the public message is received, and stops at one of the at least one SRS narrowband when the public message reception is completed.
  • the SRS is sent to notify the base station that the reception of the public message is completed.
  • FIG. 9 is a block diagram showing the structure of a base station 900 in accordance with one embodiment of the present invention.
  • the base station 900 includes a transmitting module 910, a determining module 920, and a scheduling module 930.
  • the sending module 910 sends a public message to the user equipment on the narrowband of the common message within the common message time window.
  • the determining module 920 determines, based on the notification from the user equipment, that the user equipment has completed receiving the public message.
  • the scheduling module 930 when determining that the user equipment completes the reception of the public message, schedules the user equipment to transmit data on the narrowband of data during the remaining time of the common message time window.
  • the determining module 920 determines, according to the reference signal sent by the user equipment, that the user equipment receives the public message, or determines that the user equipment determines the user equipment according to the scheduling request sent by the user equipment. The receiving of the public message is completed; or the determining module 920 determines that the user equipment receives the public message according to the random access procedure initiated by the user equipment; or the determining module 920 determines the user equipment according to the dedicated message sent by the user equipment. The receipt of the public message is completed.
  • the determining module 920 may receive the SRS on the first SRS narrowband according to a preset rule, and determine that the user equipment receives the public message when the SRS is received on the first SRS narrowband. According to an embodiment of the present invention, the determining module 920 receives the SRS on the at least one SRS narrowband according to a preset rule, and determines that the user equipment receives the public message when the SRS is not received on one of the at least one SRS narrowband. .
  • the operations and functions of the various units of the base station 900 can be referred to the 210, 220, and 230 of the method of FIG. 2 above. To avoid repetition, details are not described herein again.
  • FIG. 10 is a structural schematic diagram of a user equipment 1000 in accordance with another embodiment of the present invention.
  • the user device 1000 includes: a receiver 1010, a processor 1020, a transmitter 1030, a memory 1040, and a bus 1050.
  • the receiver 1010 receives the public message transmitted by the base station on the narrowband of the common message within the common message time window.
  • the processor 1020 through the bus 1050, calls the code stored in the memory 1040 for switching from the narrowband of the common message to the narrowband of the data when the receiver 1010 completes the reception of the common message, and notifies the base station of the user through the transmitter 1030.
  • the device receives the public message, so that the base station schedules the user equipment to transmit data on the narrowband of the data for the remaining time in the common message time window.
  • the user equipment can let the base station know that the user equipment has received the public message in time, so as to prevent the base station from scheduling the user equipment until the public message time window expires, thereby improving the utilization of the time resource.
  • the processor 1020 notifies the base station that the user equipment receives the public message by using a reference signal through the reference signal, or sends a scheduling request to the base station to notify the base station that the user equipment Receiving the completion of the message; or, by initiating a random access procedure, notifying the base station that the user equipment completes the reception of the public message; or, by using a dedicated message, notifying the base station that the user equipment receives the public message.
  • the processor 1020 does not transmit the SRS on the first SRS narrowband by the transmitter 1030 before the completion of the reception of the common message, and after the reception of the public message is completed, according to the preset rule in the first SRS
  • the SRS is sent on the narrowband, and the base station is notified that the receiving of the public message by the user equipment is completed.
  • the processor 1020 transmits the SRS on the at least one SRS narrowband according to a preset rule by the transmitter 1030, and stops at the at least one when the public message reception is completed.
  • the SRS is transmitted on one of the SRS narrowbands to inform the base station that the reception of the public message is completed.
  • the operations and functions of the various units of the user equipment 1000 can be referred to 110, 120, and 130 of the method of FIG. 1 described above. In order to avoid repetition, it will not be described here.
  • FIG. 11 is a schematic diagram of a base station 1100 according to another embodiment of the present invention.
  • the base station 1100 includes a transmitter 1110, a processor 1120, a receiver 1130, a memory 1140, and a bus 1150.
  • the sender 1110 transmits a public message to the user equipment over the narrow band of the common message within the common message time window.
  • Receiver 1130 receives a notification from the user equipment.
  • the processor 1120 calls the code stored in the memory 1140 through the bus 1150, and is configured to schedule the user by the transmitter 1110 when it is determined according to the notification of the user equipment received by the receiver 1130 that the user equipment receives the public message.
  • the device transmits data over the narrow band of data for the remainder of the common message time window.
  • the processor 1120 determines that the user equipment receives the public message according to the reference signal sent by the user equipment received by the receiver 1130; or sends the user equipment according to the receiver 1130.
  • the scheduling request determines that the user equipment completes the reception of the public message; or determines that the user equipment receives the public message according to the random access procedure initiated by the user equipment received by the receiver 1130; or, according to the receiver
  • the dedicated message sent by the user equipment received by 1130 determines that the user equipment receives the public message.
  • the receiver 1130 may receive the SRS on the first SRS narrowband according to a preset rule, and the processor 1120 determines that the user equipment is public when the receiver 1130 receives the SRS on the first SRS narrowband. The reception of the message is completed.
  • the receiver 1130 receives the SRS on at least one SRS narrowband according to a preset rule, and the processor 1120 determines the user equipment when the receiver 1130 does not receive the SRS on one of the at least one SRS narrowband. The receipt of the public message is completed.
  • the embodiment of the invention further provides that the communication system can include the user equipment and the base station described in the foregoing embodiments.
  • the disclosed systems, devices, and methods may be implemented in other ways.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not executed.
  • the coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be electrical, mechanical or otherwise.
  • the components displayed for the unit may or may not be physical units, ie may be located in one place, or may be distributed over multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the functions, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium.
  • the technical solution of the present invention which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes: a U disk, a removable hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and the like, which can store program codes. .

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Abstract

本发明的实施例提供了一种调度方法、用户设备和基站。该调度方法包括：用户设备在公共消息时间窗内，接收基站在公共消息窄带上发送的公共消息；该用户设备在对该公共消息的接收完成时，从所述公共消息窄带切换到数据窄带；并且该用户设备通知该基站该用户设备对该公共消息的接收完成，以便该基站调度该用户设备在该公共消息时间窗的剩余时间内在数据窄带上传输数据。根据本发明的实施例，用户设备可以及时让基站获知用户设备对公共消息的接收已经完成，以避免基站等到公共消息时间窗期满时才对用户设备进行调度，从而提高了时间资源的利用率。

Description

调度方法、 用户设备和基站
本申请要求了于 2012年 8月 31日提交中国专利局，申请号为 201210319623.6、 发明名称为 "调度方法、 用户设备和基站" 的中国申请的优先权， 其全部内 容通过引用结合在本申请中。 技术领域 本发明涉及通信领域， 尤其是涉及一种调度方法、 用户设备和基站。 背景技术
随着物联网的发展， 为更好的在移动通信网上承载物联网应用， 提出了 机器对机器通信（machine-to-machine, M2M ) 的概念， 在移动通信网络上引 入机器类通信（ machine type communication, MTC ), 从而对移动通信网络进 行增强或优化。
移动通信网络的一个优化方向是降低移动通信终端设备的成本， 提供基 于 LTE ( Long Term Evolution, 长期演进 ) 网络的低成本 MTC用户设备， 从 而使得终端设备成本符合物联网应用的要求， 以更好的在 LTE通信网络上承 载物联网应用。 为了提供低成本的用户设备 ( User Equipment, UE ), 一种可 能的技术是减少 UE所支持的工作 （发射 /接收） 带宽， 即在现有的宽带网络 系统中提供对窄带 UE的支持。 为了在降低窄带 UE的工作带宽的情况下， 能 够支持更多的窄带 UE, 需要在宽带系统中划分多个窄带供窄带 UE使用， 而 窄带 UE可以选择一个窄带子带接入或者停留。 然而， 在多窄带场景下， 由于 在多个窄带都有处于空闲态的窄带 UE停留， 因此， 需要在多个窄带上同时发 送公共消息， 例如， 系统消息， 以保证所有处在不同窄带上的 UE都能收到。
由于在多个窄带上同时发送公共消息会造成资源的浪费， 通常将系统中 的窄带进行功能划分， 并且多个下行窄带中选择一个窄带进行公共消息的发 送， 而其余窄带进行窄带 UE的数据的调度和发送。
窄带 UE可以按照一定的规则，在公共消息窄带上接收公共消息。 以系统 消息更新为例， 当前系统消息更新的方法是， 在前一个更新周期内进行系统 消息更新的通知， 在下一个更新周期内发送更新后的系统消息。 为保证系统 消息的正确接收， 系统消息通常在一个系统消息时间窗上进行多次发送， 这 个系统消息时间窗的长度的最大值为 40ms。 对于窄带 UE而言， 当需要接收 系统消息时， 窄带 UE可以离开当前窄带，去系统消息所在的窄带接收系统消 息， 即在公共消息窄带上接收系统消息。 窄带 UE在完成系统消息接收后， 再 回到其原来停留的数据窄带上继续进行数据收发。 由于基站并不知道窄带 UE 何时完成系统消息的接收而重新回到窄带 UE原来停留的窄带， 所以，基站在 整个系统消息时间窗内， 都不能对窄带 UE进行调度， 而是直到整个系统消息 时间窗期满时才对窄带 UE进行调度， 从而造成时间资源的浪费。 发明内容
本发明的实施例提供一种调度方法、 用户设备和基站， 能够提高时间资 源的利用率。
第一方面， 提供了一种调度方法， 包括： 用户设备在公共消息时间窗内， 接收基站在公共消息窄带上发送的公共消息； 该用户设备在对该公共消息的 接收完成时， 该用户设备从该公共消息窄带切换到数据窄带； 该用户设备通 知该基站该用户设备对公共消息的接收完成， 以便该基站调度该用户设备在 该公共消息时间窗的剩余时间内在该数据窄带上传输数据。
在第一种可能的实现方式中， 上述用户设备通知该基站该用户设备对该 公共消息的接收完成， 包括： 该用户设备通过参考信号通知该基站该用户设 备对该公共消息的接收完成； 或者， 该用户设备通过向该基站发送调度请求 通知该基站该用户设备对该公共消息的接收完成； 或者， 该用户设备通过发 起随机接入过程通知该基站该用户设备对该公共消息的接收完成； 或者， 通 过专用消息通知该基站该用户设备对该公共消息的接收完成。
结合第一种可能的实现方式， 在第二种可能的实现方式中， 上述通过参 考信号通知该基站该用户设备对该公共消息的接收完成， 包括： 通过在该公 共消息的接收完成之前， 不在第一探测参考信号窄带上发送探测参考信号， 并且在公共消息的接收完成之后， 按照预设规则在第一探测参考信号窄带上 发送探测参考信号， 通知该基站该用户设备对该公共消息的接收完成。
结合第一种可能的实现方式， 在第三种可能的实现方式中， 上述通过参 考信号通知该基站该用户设备对该公共消息的接收完成， 包括： 在该公共消 息接收完成之前， 按照预设规则， 在至少一个探测参考信号窄带上发送探测 参考信号， 并且在该公共消息接收完成时， 停止在上述至少一个探测参考信 号窄带之一上发送探测参考信号， 以通知该基站该公共消息接收完成。
第二方面， 提供了一种调度方法， 包括： 基站在公共消息时间窗内， 在 公共消息窄带上向用户设备发送公共消息； 该基站根据该用户设备的通知确 定该用户设备对该公共消息的接收完成； 该基站在确定该用户设备对该公共 消息的接收完成时， 调度该用户设备在该公共消息时间窗的剩余时间内在数 据窄带上传输数据。
在第一种可能的实现方式中， 上述基站根据该用户设备的通知确定该用 户设备对该公共消息的接收完成， 包括： 该基站根据该用户设备发送的参考 信号确定该用户设备对该公共消息的接收完成； 或者， 该基站根据该用户设 备发送的调度请求确定该用户设备对该公共消息的接收完成； 或者， 该该站 根据该用户设备发起的随机接入过程确定该用户设备对该该共消息的接收完 成； 或者， 该基站根据该用户设备发送的专用消息确定该用户设备对该公共 消息的接收完成。
结合第二方面的第一种可能的实现方式， 在第二种可能的实现方式中， 上述基站根据该用户设备发送的参考信号确定该用户设备对该公共消息的接 收完成， 包括： 该基站按照预设规则， 在第一探测参考信号窄带上接收探测 参考信号， 并且在第一探测参考信号窄带上接收到探测参考信号时， 确定该 用户设备对该公共消息的接收完成。
结合第二方面的第一种可能的实现方式， 在第三种可能的实现方式中， 上述基站根据该用户设备发送的参考信号确定该用户设备对该公共消息的接 收完成， 包括： 该基站按照预设规则， 在至少一个探测参考信号窄带上接收 探测参考信号， 并且在上述至少一个探测参考信号窄带之一上接收不到探测 参考信号时， 确定该用户设备对该公共消息的接收完成。
第三方面， 提供了一种用户设备， 包括： 接收模块， 用于在公共消息时 间窗内， 接收基站在公共消息窄带上发送的公共消息； 切换模块， 用于在对 该公共消息的接收完成时， 从该公共消息窄带切换到数据窄带； 通知模块， 用于通知该基站该用户设备对该公共消息的接收完成， 以便该基站调度该用 户设备在该公共消息时间窗的剩余时间内在数据窄带上传输数据。
在第一种可能的实现方式中， 该通知模块用于通过参考信号通知该基站 该用户设备对该公共消息的接收完成； 或者， 通过向该基站发送调度请求通 知该基站该用户设备对该公共消息的接收完成； 或者， 通过发起随机接入过 程通知该基站该用户设备对该公共消息的接收完成； 或者， 通过专用消息通 知该基站该用户设备对该公共消息的接收完成。
结合第三方面的第一种可能的实现方式， 在第二种可能的实现方式中， 该通知模块通过在该公共消息的接收完成之前， 不在第一探测参考信号窄带 上发送探测参考信号， 并且在公共消息的接收完成之后， 按照预设规则在第 一探测参考信号窄带上发送探测参考信号， 通知该基站该用户设备对该公共 消息的接收完成。
结合第三方面的第一种可能的实现方式， 在第三种可能的实现方式中， 该通知模块在该公共消息接收完成之前， 按照预设规则， 在至少一个探测参 考信号窄带上发送探测参考信号， 并且在该公共消息接收完成时， 停止在上 述至少一个探测参考信号窄带之一上发送探测参考信号， 以通知该基站该公 共消息接收完成。
第四方面， 提供了一种基站， 包括： 发送模块， 用于在公共消息时间窗 内， 在公共消息窄带上向用户设备发送公共消息； 确定模块， 用于根据该用 户设备的通知确定该用户设备对该公共消息的接收完成； 调度模块， 用于在 确定该用户设备对该公共消息的接收完成时， 调度该用户设备在该公共消息 时间窗的剩余时间内在数据窄带上传输数据。
在第一种可能的实现方式中， 该确定模块根据该用户设备发送的参考信 号确定该用户设备对该公共消息的接收完成； 或者， 该基站根据该用户设备 发送的调度请求确定该用户设备对该公共消息的接收完成； 或者， 该基站根 据该用户设备发起的随机接入过程确定该用户设备对该公共消息的接收完 成； 或者， 该基站根据该用户设备发送的专用消息确定该用户设备对该公共 消息的接收完成。
结合第四方面的第一种可能的实现方式， 在第二种可能的实现方式中， 该确定模块在第一探测参考信号窄带上接收探测参考信号， 并且在该第一探 测参考信号窄带上接收到探测参考信号时， 确定该用户设备对该公共消息的 接收完成。
结合第四方面的第一种可能的实现方式， 在第三种可能的实现方式中， 该确定模块按照预设规则， 在至少一个探测参考信号窄带上接收探测参考信 号， 并且在上述至少一个探测参考信号窄带之一上接收不到探测参考信号时， 确定该用户设备对该公共消息的接收完成。
本技术方案可以在用户设备在公共消息时间窗内完成对公共消息的接收 时， 及时让基站获知用户设备对公共消息的接收已经完成， 以避免基站等到 公共消息时间窗期满时才对用户设备进行调度， 从而提高了时间资源的利用 率。 附图说明
为了更清楚地说明本发明实施例的技术方案， 下面将对本发明实施例中 所需要使用的附图作简单地介绍， 显而易见地， 下面所描述的附图仅仅是本 发明的一些实施例， 对于本领域普通技术人员来讲， 在不付出创造性劳动的 前提下， 还可以根据这些附图获得其他的附图。
图 1是根据本发明的一个实施例的调度方法的示意性流程图。
图 2是根据本发明的另一实施例的调度方法的示意' \ί流程图。
图 3是根据本发明的一个实施例的调度过程的示意性流程图。
图 4是根据本发明的另一实施例的调度过程的示意性流程图。
图 5是根据本发明的又一实施例的调度过程的示意性流程图。
图 6是根据本发明的再一实施例的调度过程的示意性流程图。
图 7是根据本发明的另一实施例的调度过程的示意性流程图。
图 8是根据本发明的一个实施例的用户设备的结构性示意图。
图 9是根据本发明的一个实施例的基站的结构性示意图。
图 10是根据本发明的另一实施例的用户设备的结构性示意图。
图 11是根据本发明的另一实施例的基站的结构性示意图。 具体实施方式
下面将结合本发明实施例中的附图， 对本发明实施例中的技术方案进行 清楚、 完整地描述， 显然， 所描述的实施例是本发明一部分实施例， 而不是 全部的实施例。 基于本发明中的实施例， 本领域普通技术人员在没有作出创 造性劳动前提下所获得的所有其他实施例， 都属于本发明保护的范围。 应理解，本发明的技术方案可以应用于各种通信系统，例如： GSM( Global System for Mobile communication,全球移动通讯 )系统、 CDMA( Code Division Multiple Access,码分多址）系统、 WCDMA ( Wideband Code Division Multiple Access, 宽带码分多址） 系统、 GPRS ( General Packet Radio Service, 通用分 组无线业务）、 LTE ( Long Term Evolution,长期演进）系统、 LTE-A ( Advanced long term evolution , 先进的长期演进） 系统、 UMTS ( Universal Mobile Telecommunication System , 通用移动通信系统）等， 本发明实施例并不限定， 但为描述方便， 本发明实施例将以 LTE网络为例进行说明。 系统中可包括不同的网元。 例如， LTE和 LTE-A中无线接入网络的网元包括 eNB( eNodeB ,演进型基站）， WCDMA中无线接入网络的网元包括 RNC( Radio Network Controller, 无线网络控制器）和 NodeB, 类似地， WiMax ( Worldwide Interoperability for Microwave Access, 全球 波互联接入 )等其它无线网络也 可以使用与本发明实施例类似的方案， 只是基站系统中的相关模块可能有所 不同， 本发明实施例并不限定， 但为描述方便， 下述实施例将以 eNodeB为例 进行说明。
还应理解， 在本发明实施例中， 用户设备（ UE, User Equipment )或终端 设备包括但不限于移动台（ MS, Mobile Station )、移动终端（ Mobile Terminal )、 移动电话 ( Mobile Telephone )、手机 ( handset )及便携设备 ( ortable equipment ) 等， 该用户设备还可以是物联网中具有一定感知、 计算、 执行和通信能力的 各种设备， 其可以经无线接入网 （RAN, Radio Access Network )与一个或多 个核心网进行通信。 例如， 用户设备可以是移动电话（或称为 "蜂窝" 电话）、 具有无线通信功能的计算机等， 用户设备还可以是便携式、 袖珍式、 手持式、 计算机内置的或者车载的移动装置。
根据本发明的实施例可以主要应用于在宽带系统中划分多个窄带支持窄 带用户设备接入， 并且将窄带划分成公共消息窄带和数据窄带的场景。 在这 种场景下， 可以在一个公共消息窄带， 在公共消息时间窗 （预设时段） 内为 多个用户设备提供公共消息， 例如， 系统消息。
图 1是根据本发明的一个实施例的调度方法的示意性流程图。 图 1 的方 法由用户设备执行， 包括以下内容。 110, 用户设备在公共消息时间窗内， 接收基站在公共消息窄带上发送的 公共消息。
例如， 基站可以在预设的公共消息时间窗内， 在公共消息窄带上发送公 共消息， 以便多个用户设备在需要时可以在该公共消息时间窗内在该公共消 息窄带上接收到公共消息。 当需要接收公共消息时， 用户设备会离开当前所 在的数据窄带， 去公共消息所在的公共消息窄带上接收公共消息。
公共消息时间窗可以指基站在公共消息窄带上发送公共消息的预设时间 段， 该公共消息时间窗可以是周期性的， 并且在基站和用户设备侧进行预先 配置。
120, 该用户设备在对该公共消息的接收完成时， 从该公共消息窄带切换 到数据窄带。
当用户设备完成公共消息的接收后， 会离开公共消息窄带， 回到原来的 所在的数据窄带， 或者跳到另一数据窄带。
130, 用户设备通知该基站该用户设备对该公共消息的接收完成， 以便该 基站调度该用户设备在该公共消息时间窗的剩余时间内在数据窄带上传输数 据。
例如， 当用户设备完成对该公共消息的接收时， 可以通过在公共消息时 间窗的剩余时间内， 釆用特定的信令消息来通知基站公共消息的接收完成， 或者在公共消息时间窗内， 釆用预设信令消息的发送异常来通知基站公共消 息的接收完成， 或者在预设信令中携带指示信息来通知基站公共消息的接收 完成， 或者可以通过专用信令消息来通知基站公共消息的接收完成。 基站根 据用户设备的通知可以获知用户设备已经完成对公共消息的接收并切换到数 据窄带准备接收数据， 即获知用户设备可以接收数据， 从而能够及时对用户 设备进行数据调度。
根据本发明的实施例， 用户设备可以及时让基站获知用户设备对公共消 息的接收已经完成， 以避免基站等到公共消息时间窗期满时才对用户设备进 行调度， 从而提高了时间资源的利用率。
在 130 中， 用户设备可以通过参考信号通知该基站该用户设备对该公共 消息的接收完成。
例如， 该参考信号可以是用户设备按照预设跳频规则在不同探测参考信 号（Sounding Reference Signal, SRS )窄带上向基站发送的 SRS。 可以根据在 公共消息时间窗内 SRS发送的异常来通知基站公共消息接收完成，换句话说， 在除公共消息时间窗之外的其它时间正常发送 SRS, 而在公共消息时间窗内 异常发送 SRS, 使得基站能够根据这种异常获知用户设备对公共消息的接收 已经完成。
可选地， 作为另一实施例， 在 130 中， 用户设备可以通过向该基站发送 调度请求通知该基站该用户设备对该公共消息的接收完成。
例如， 如果用户设备在完成对公共消息的接收之后在公共消息时间窗内 存在用于发送调度请求的资源， 则在该资源上向基站发送调度请求， 换句话 说， 在公共消息接收窗内， 如果没有完成公共消息的接收， 用户设备不会发 送调度请求； 只有在完成公共消息的接收之后， 并且在公共消息接收窗的剩 余时间内有调度请求资源， 用户设备才会发送调度请求。 如果基站在公共消 息时间窗内接收到调度请求， 则确定用户设备完成对公共消息的接收。
可选地， 作为另一实施例， 在 130 中， 用户设备可以通过发起随机接入 过程通知该基站该用户设备对该公共消息的接收完成。
例如， 用户设备在公共消息时间窗内发起随机接入过程， 如果基站在公 共消息时间窗内识别出用户设备发起的随机接入过程， 则认为用户设备对公 共消息的接收完成， 或者用户设备在随机接入过程中利用上行消息携带指示 信息， 指示用户设备对公共消息的接收完成， 如果基站在公共消息时间窗内 接收到该上行消息， 则确定用户设备对公共消息的接收完成。
可选地， 作为另一实施例， 在 130 中， 用户设备可以通过专用消息通知 该基站该用户设备对该公共消息的接收完成。
例如， 用户设备可以完成对公共消息的接收之后， 向基站发送专用信令， 以通知基站用户设备对公共消息的接收完成。
应理解， 还可以利用上述几种通知方式中至少两种通知方式的结合来通 知基站。 例如， 可以为不同的通知方式设置优先级， 并且按照优先级选择通 知方式。 举例而言， 假设基于调度请求的通知方式的优先级高于基于参考信 号的通知方式的优先级， 而基于参考信号的通知方式高于基于专用消息的通 知方式的优先级， 在用户设备完成对公共消息的接收之后， 如果用户设备有 调度资源， 则优先釆用基于调度请求的通知方式， 否则， 选择釆用基于参考 信号的通知方式， 并且只有再无法使用上述方式通知基站时， 才选择釆用基 于专用消息的通知方式， 从而尽可能节省信令开销。
根据本发明的实施例， 在 130 中， 用户设备可以通过在上述公共消息的 接收完成之前， 不在第一 SRS窄带上发送 SRS , 并且在公共消息的接收完成 之后， 按照预设规则在第一 SRS窄带上发送 SRS , 通知该基站该用户设备对 该公共消息的接收完成。
例如， 第一 SRS窄带为至少一个 SRS窄带中的一个预设窄带。 在公共消 息时间窗外， 可以按照预设的跳频规则发送多个 SRS , 而在公共消息时间窗 内， 只有当用户设备对公共消息的接收完成之后才会在第一 SRS窄带上发送 SRS , 以便基站可以根据这种变化或异常确定用户设备对公共消息的接收完 成。
根据本发明的实施例， 在 130 中， 用户设备可以在该公共消息接收完成 之前， 按照预设规则， 在至少一个 SRS窄带上发送 SRS , 并且在该公共消息 接收完成时， 停止在至少一个 SRS窄带之一上发送 SRS , 以通知该基站该公 共消息接收完成。
例如，上述停止发送 SRS的 SRS窄带可以为至少一个 SRS窄带中的一个 窄带。 在公共消息时间窗外， 可以按照预设的跳频规则发送多个 SRS , 而在 公共消息时间窗内， 也可以按照预设的跳频规则发送多个 SRS , 并且只有当 用户设备对公共消息的接收完成之后， 才会停止在按照预设的跳频规则应该 发送 SRS的窄带上发送 SRS , 以便基站可以根据这种变化或异常确定用户设 备对公共消息的接收完成。 换句话说， 进入公共消息接收窗后， 在公共消息 接收完成之前， 按照现有的规则， 在相应的 SRS窄带上发送 SRS信号； 在公 共消息接收完成之后， 故意在按照现有规则应该发送 SRS信号的 SRS窄带上 不发送 SRS信号。停止发送 SRS的 SRS窄带与公共消息的接收完成的时间有 关， 例如， 在公共消息的接收完成后， 如果用户设备应该在编号为 0的 SRS 窄带上发送 SRS , 则停止在编号为 0的 SRS窄带上发送 SRS , 再如， 如果在 公共消息的接收完成后， 如果用户设备应该在编号为 3 的 SRS 窄带上发送 SRS , 则停止在编号为 3的 SRS窄带上发送 SRS。
图 2是根据本发明的另一实施例的调度方法的示意性流程图。 图 2的实 施例由基站执行， 与图 1 的方法相对应， 包括以下内容。 为了避免重复， 在 此适当省略详细的描述。
210, 基站在公共消息时间窗内， 在公共消息窄带上向用户设备发送公共 消息。
220, 该基站根据该用户设备的通知确定该用户设备对该公共消息的接收 完成。
230, 该基站在确定该用户设备对该公共消息的接收完成时， 调度该用户 设备在该公共消息时间窗的剩余时间内在数据窄带上传输数据。
根据本发明的实施例可以使得基站及时获知用户设备对公共消息的接收 已经完成， 以便及时对用户设备进行调度， 从而提高了时间资源的利用率。
在 220 中， 该基站可以根据该用户设备发送的参考信号确定该用户设备 对该公共消息的接收完成。
可选地， 作为另一实施例， 在 220 中， 该基站可以根据该用户设备发送 的调度请求确定该用户设备对该公共消息的接收完成。
可选地， 作为另一实施例， 在 220 中， 该基站根据该用户设备发起的随 机接入过程确定该用户设备对该公共消息的接收完成。
可选地， 作为另一实施例， 在 220 中， 该基站可以根据该用户设备发送 的专用消息确定该用户设备对该公共消息的接收完成。
根据本发明的实施例，在 220中，该基站可以按照预设规则，在第一 SRS 窄带上接收 SRS, 并且在第一 SRS窄带上接收到 SRS时， 确定该用户设备对 该公共消息的接收完成。
根据本发明的实施例， 在 220 中， 该基站可以按照预设规则， 在至少一 个 SRS窄带上接收 SRS, 并且在该基站在上述至少一个 SRS窄带之一上接收 不到 SRS时， 确定该用户设备对该公共消息的接收完成。
下面结合具体例子， 更加详细地描述本发明的实施例。
图 3是根据本发明的一个实施例的调度过程的示意性流程图。 在图 3中， 基站可以为 eNodeB, 用户设备可以为窄带用户设备。 eNodeB表示用户设备 的当前服务小区的控制基站， 但是本发明不限于该术语代表的具体制式， 而 是可以类似地应用于其他形式的基站。 在图 3 的实施例中， 用户设备配置了 SRS窄带进行 SRS的上报。
310, 基站在公共消息时间窗内在公共消息窄带上发送公共消息。 例如， 可以配置至少一个公共消息窄带 （例如， 一个公共消息窄带）， 用 于公共消息的发送和接收。 基站可以在公共消息时间窗内在公共消息窄带上 周期性地发送多次公共消息， 以便多个用户设备能够在公共消息时间窗内接 收公共消息窄带上发送的公共消息。 公共消息时间窗可以预先设定， 例如， 设定为 40ms。
320, 用户设备确定需要接收公共消息。
例如，公共消息可以为系统消息，在接收到系统消息（ system information , SI )更新通知之后， 用户设备知道系统消息的内容已经被更新， 因此， 需要接 收更新后的系统消息。
另外， 在随机接入过程中， 在接收随机接入响应时， 也需要在公共消息 窄带上接收公共消息。
330 , 用户设备在公共消息时间窗内在公共消息窄带上接收公共消息。 用户设备在确定需要接收公共消息时， 可以在预先设定的时间窗内， 离 开原来所在的数据窄带， 跳至公共消息窄带， 接收基站在公共消息窄带上发 送的公共消息。
340, 用户设备判断是否完成公共消息的接收， 如果用户设备完成公共消 息的接收， 则执行步骤 350 , 否则继续执行步骤 330。
例如， 用户设备在公共消息时间窗内在公共消息窄带上接收或监听公共 消息， 直到完成公共消息的接收或成功接收到公共消息。
350, 用户设备切换到数据窄带， 并且在第一 SRS窄带上发送 SRS。
例如， 用户设备完成公共消息接收之后， 可以返回到原来所在的数据窄 带， 并通过 SRS通知基站其已经完成对公共消息的接收。 例如， 用户设备可 以在特定（或预设） 的 SRS窄带上（例如， 周期性地）发送 SRS (例如， 一 系列的脉冲信号）， 以表明用户设备完成公共消息的接收。
360, 基站判断是否在公共消息时间窗内在第一 SRS窄带上接收到 SRS, 如果基站在公共消息时间窗内在第一 SRS 窄带上接收到 SRS , 则执行步骤 370, 否则执行步骤 380。
在本实例中， 可以在用户设备侧和基站侧进行如下设置或约定： 在用户 设备侧， 在公共消息时间窗内， 如果用户设备未完成公共消息的接收， 则不 在特定 SRS窄带上发送 SRS, 如果用户设备完成公共消息的接收， 则在特定 SRS窄带上发送 SRS; 在基站侧， 如果在公共消息时间窗内， 在特定 SRS窄 带上接收到 SRS , 则确定用户设备完成了对公共消息的接收。
370 , 基站在公共消息时间窗内调度用户设备。
如果基站在公共消息时间窗内接收到用户设备在特定 SRS窄带上发送的 SRS , 则基站可以确定用户设备已经完成对公共消息的接收， 即获知用户设备 可以通过数据窄带传输数据。 尽管目前公共消息时间窗还未期满， 基站也可 以提前对用户设备进行调度， 从而提高了时间资源的利用率。
另外， 釆用在公共消息时间窗内在特定的 SRS窄带上发送 SRS的方式， 通知基站用户设备已完成对公共消息的接收， 无需釆用专用的信令， 因此， 节省了信令开销。
380 , 基站在公共消息时间窗期满时调度用户设备。
如果基站直到公共消息时间窗期满也未在特定 SRS窄带上接收到用户设 备发送的 SRS , 则基站在公共消息时间窗期满以后才调度用户设备进行数据 传输。
图 4是根据本发明的另一实施例的调度过程的示意性流程图。 在图 4中， 基站可以为 eNodeB , 用户设备可以为窄带用户设备。 eNodeB表示用户设备 的当前服务小区的控制基站， 但是本发明不限于该术语代表的具体制式， 而 是可以类似地应用于其他形式的基站。 在图 4 的实施例中， 用户设备配置了 在窄带 SRS上报 SRS。 图 4的 410、 420和 430与图 3的 310、 320和 330类 似， 在此不再赘述。
410 , 基站在公共消息时间窗内在公共消息窄带上发送公共消息。
420 , 用户设备确定需要接收公共消息。
430 , 用户设备在公共消息时间窗内在公共消息窄带上接收公共消息。
440 , 用户设备判断是否完成公共消息的接收， 如果用户设备完成公共消 息的接收， 则执行步骤 450 , 否则执行步骤 445。
例如， 用户设备在公共消息时间窗内在公共消息窄带上接收或监听公共 消息， 直到完成公共消息的接收或成功接收到公共消息。
445 ,用户设备在公共消息时间窗内按照规则在至少一个 SRS窄带上发送 SRS。
用户设备在公共消息时间窗内完成对公共消息的接收之前， 按照预设的 规则 （例如， 跳频规则）在至少一个 SRS窄带上发送 SRS。
450 , 用户设备切换到数据窄带， 并且停止在至少一个 SRS窄带之一上发 送 SRS。
例如， 用户设备完成公共消息接收之后， 可以返回到原来所在的数据窄 带。 如果用户设备在公共消息时间窗内完成对公共消息的接收， 则不在上述 至少一个 SRS窄带中应该发送 SRS的 SRS窄带上发送 SRS ,例如，如果公共 消息的接收完成时， 按照跳频规则应该在编号为 0的 SRS窄带上发送 SRS , 这时， 用户设备故意不在编号为 0的 SRS窄带上发送 SRS。
460 ,基站判断是否在公共消息时间窗内在至少一个 SRS窄带之一上接收 不到 SRS , 如果基站在公共消息时间窗内在至少一个 SRS窄带之一上接收不 到 SRS , 则执行步骤 470 , 否则执行步骤 480。
在本实例中， 可以在用户设备侧和基站侧进行如下设置或约定： 在用户 设备侧， 在公共消息时间窗内， 如果用户设备未完成公共消息接收， 则用户 设备按照现有的 SRS跳频规则 （例如， 周期性地在不同的 SRS窄带上）发送 SRS , 否则，在公共消息时间窗内，在按照现有的 SRS跳频规则需要发送 SRS 的某个特定 SRS窄带上， 不发送 SRS; 在基站侧， 在公共消息时间窗内， 如 果用户设备在根据现有的 SRS跳频规则应该接收到 SRS的 SRS窄带上没有收 到 SRS , 则确定该用户设备完成了公共消息接收， 否则， 确定用户设备未完 成公共消息接收。
470 , 基站在公共消息时间窗内调度用户设备。
如果基站在公共消息时间窗内接收不到用户设备在至少一个 SRS窄带之 一上周期性地发送的 SRS , 则基站可以确定用户设备已经完成对公共消息的 接收， 即获知用户设备可以通过数据窄带传输数据。 尽管目前公共消息时间 窗还未到期， 基站也可以提前对用户设备进行调度， 从而提高了时间资源的 利用率。
另外， 通过在公共消息时间窗内在至少一个 SRS 窄带上周期性地发送 SRS并在接收到公共消息时停止在上述至少一个 SRS窄带之一上发送 SRS的 方式， 通知基站用户设备已完成对公共消息的接收， 无需釆用专用的信令， 因此， 节省了信令开销。
480 , 基站在公共消息时间窗期满时调度用户设备。 如果基站在公共消息时间窗期满前一直可以在至少一个 SRS窄带上周期 性地接收到用户设备发送的 SRS , 则基站在公共消息时间窗期满时才调度用 户设备进行数据传输。
图 5是根据本发明的又一实施例的调度过程的示意性流程图。 在图 5中， 基站可以为 eNodeB , 用户设备可以为窄带用户设备。 eNodeB表示用户设备 的当前服务小区的控制基站， 但是本发明不限于该术语代表的具体制式， 而 是可以类似地应用于其他形式的基站。 在图 5 的实施例中， 用户设备可以配 置用于发送调度请求的资源。 图 5的 510、 520和 530与图 3的 310、 320和 330类似， 在此不再赘述。
510 , 基站在公共消息时间窗内在公共消息窄带上发送公共消息。
520 , 用户设备确定需要接收公共消息。
530 , 用户设备在公共消息时间窗内在公共消息窄带上接收公共消息。 540 , 用户设备判断是否完成公共消息的接收， 如果用户设备完成公共消 息的接收， 则执行步骤 550 , 否则继续执行步骤 530。
例如， 用户设备在公共消息时间窗内在公共消息窄带上接收或监听公共 消息， 直到完成公共消息的接收或成功接收到公共消息。
550 , 用户设备切换到数据窄带， 并且向基站发送调度请求。
例如， 用户设备完成公共消息接收之后， 可以返回到原来所在的数据窄 带。 如果用户设备配置有 SR资源， 并且 SR资源落在用户设备完成公共消息 接收后的公共消息时间窗内， 那么， 用户设备可以向基站发送 SR请求， 表明 其完成公共消息接收。 根据本发明的实施例并不限定执行切换到数据窄带的 步骤和向基站发送调度请求的步骤的先后顺序， 例如， 用户设备可以先向基 站发送调度请求再切换到数据窄带， 也可以在切换到数据窄带的同时向基站 发送调度请求。
560 , 基站判断是否在公共消息时间窗接收到调度请求， 如果基站在公共 消息时间窗接收到调度请求， 则执行步骤 570 , 否则执行步骤 580。
在本实例中， 可以在用户设备侧和基站侧进行如下设置或约定： 在用户 设备侧， 在公共消息时间窗内， 如果用户设备未完成公共消息接收， 用户设 备不发送任何 SR请求， 反之， 如果在用户设备完成公共消息接收后的公共消 息时间窗内， 用户设备拥有 SR资源， 则用户设备发送 SR请求。 基站侧， 在 公共消息时间窗内， 如果接收到 SR请求， 则确定用户设备完成了公共消息接 收， 否则， 确定用户设备未完成公共消息接收。
570, 基站在公共消息时间窗内调度用户设备。
如果基站在公共消息时间窗内接收到用户设备发送的调度请求， 则基站 可以确定用户设备已经完成对公共消息的接收， 即获知用户设备可以通过数 据窄带传输数据。 尽管目前公共消息时间窗还未期满， 基站也可以提前对用 户设备进行调度， 从而提高了时间资源的利用率。
另外， 釆用在公共消息时间窗内发送调度请求的方式， 通知基站用户设 备已完成对公共消息的接收， 无需釆用专用的信令， 因此， 节省了信令开销。
580 , 基站在公共消息时间窗期满时调度用户设备。
如果基站直到公共消息时间窗期满也未接收到用户设备发送的调度请 求， 则基站在公共消息时间窗期满时才调度用户设备进行数据传输。
图 6是根据本发明的再一实施例的调度过程的示意性流程图。 在图 6中， 基站可以为 eNodeB, 用户设备可以为窄带用户设备。 eNodeB表示用户设备 的当前服务小区的控制基站， 但是本发明不限于该术语代表的具体制式， 而 是可以类似地应用于其他形式的基站。 在图 6 的实施例中， 通过随机接入过 程通知基站公共消息接收完成。 图 6的 610、 620和 630与图 3的 310、 320 和 330类似， 在此不再赘述。
610, 基站在公共消息时间窗内在公共消息窄带上发送公共消息。
620, 用户设备确定需要接收公共消息。
630 , 用户设备在公共消息时间窗内在公共消息窄带上接收公共消息。 640, 用户设备判断是否完成公共消息的接收， 如果用户设备完成公共消 息的接收， 则执行步骤 650 , 否则， 继续执行步骤 630。
例如， 用户设备在公共消息时间窗内在公共消息窄带上接收或监听公共 消息， 直到完成公共消息的接收或成功接收到公共消息。
650, 用户设备切换到数据窄带， 并且发出随机接入请求。
例如， 用户设备完成公共消息接收之后， 可以返回到原来所在的数据窄 带。 用户设备可以在完成公共消息的接收之后， 通过发出随机接入过程， 即 基于竟争的或者非竟争的 RACH过程， 通知基站用户设备完成了公共消息接 收。 根据本发明的实施例并不限定执行切换到数据窄带的步骤和发出随机接 入请求的步骤的先后顺序， 例如， 用户设备可以先发出随机接入请求再切换 到数据窄带， 也可以在切换到数据窄带的同时发出随机接入请求。
可选地， 用户设备还可以在随机入过程的 MSG 3 ( message 3 ) 消息中携 带指示信息， 指示用户设备对公共消息的接收完成。
660, 基站判断是否在公共消息时间窗内识别出随机接入请求， 如果基站 在公共消息时间窗内识别出随机接入请求， 则执行步骤 670, 否则， 执行步骤 680。
基站如果能够识别出该用户设备发出的随机接入， 则确定用户设备完成 对公共消息的接收。
在本实例中， 可以在用户设备侧和基站侧进行如下设置或约定： 用户设 备侧， 在公共消息时间窗内， 如果用户设备未完成公共消息接收， 用户设备 继续接收公共消息， 反之， 用户设备发起随机接入过程。 基站侧， 在公共消 息时间窗内， 如果识别出用户设备发起的随机接入过程， 则确定用户设备完 成公共消息接收。
670, 基站在公共消息时间窗内调度用户设备。
如果基站在公共消息时间窗内识别出随机接入， 则基站可以确定用户设 备已经完成对公共消息的接收， 即获知用户设备可以通过数据窄带传输数据。 尽管目前公共消息时间窗还未到期， 基站也可以提前对用户设备进行调度， 从而提高了时间资源的利用率。
另外， 釆用在公共消息时间窗内发出随机接入的方式， 通知基站用户设 备已完成对公共消息的接收， 无需釆用专用的信令， 因此， 节省了信令开销。
680 , 基站在公共消息时间窗期满时调度用户设备。
如果基站直到公共消息时间窗期满也未识别出随机接入， 则基站在公共 消息时间窗期满时才调度用户设备进行数据传输。
图 7是根据本发明的另一实施例的调度过程的示意性流程图。 在图 7中， 基站可以为 eNodeB, 用户设备可以为窄带用户设备。 eNodeB表示用户设备 的当前服务小区的控制基站， 但是本发明不限于该术语代表的具体制式， 而 是可以类似地应用于其他形式的基站。 图 7的 710、 720、 730、 740、 770和 780与图 3的 310、 320、 330、 340、 370和 380类似， 在此不再赘述。
710, 基站在公共消息时间窗内在公共消息窄带上发送公共消息。 720, 用户设备确定需要接收公共消息。
730, 用户设备在公共消息时间窗内在公共消息窄带上接收公共消息。
740, 用户设备判断是否完成公共消息的接收， 如果用户设备完成公共消 息的接收， 则执行步骤 750 , 否则继续执行步骤 730。
750, 用户设备切换到数据窄带， 并且通过专用消息通知基站用户设备对 公共消息的接收完成。
例如， 用户设备完成公共消息接收之后， 可以返回到原来所在的数据窄 带。 在用户设备对公共消息的接收完成之后， 在基站为用户设备分配了上行 资源的情况下， 用户设备可以通过专用消息通知基站用户设备对公共消息的 接收完成。 根据本发明的实施例并不限定执行切换到数据窄带的步骤和通过 专用消息通知基站的步骤的先后顺序， 例如， 用户设备可以先通过专用消息 通知基站再切换到数据窄带， 也可以在切换到数据窄带的同时通过专用消息 通知基站。
760 , 基站判断是否在公共消息时间窗内接收到用户设备发送的上述专用 消息， 如果基站在公共消息时间窗内接收到用户设备发送的上述专用消息， 则执行步骤 770, 否则执行步骤 780。
770, 基站在公共消息时间窗内调度用户设备。
780 , 基站在公共消息时间窗期满时调度用户设备。
上面描述了根据本发明实施例的调度方法， 下面分别结合图 8、 图 9、 图 10和图 11描述根据本发明实施例的用户设备和基站。
图 8是根据本发明的一个实施例的用户设备 800的结构性示意图。 用户 设备 800包括接收模块 810、 切换模块 820和通知模块 830。
接收模块 810在公共消息时间窗内， 接收基站在公共消息窄带上发送的 公共消息。 切换模块 820在对该公共消息的接收完成时， 从该公共消息窄带 切换到数据窄带； 通知模块， 用于通知该基站该用户设备对该公共消息的接 收完成， 以便该基站调度该用户设备在该公共消息时间窗内的剩余时间在数 据窄带上传输数据。
根据本发明的实施例， 用户设备可以及时让基站获知用户设备对公共消 息的接收已经完成， 以避免基站等到公共消息时间窗期满才对用户设备进行 调度， 从而提高了时间资源的利用率。 根据本发明的实施例， 该通知模块 830用于通过参考信号通知该基站该 用户设备对该公共消息的接收完成； 或者， 通过向该基站发送调度请求通知 该基站该用户设备对该公共消息的接收完成； 或者， 通过发起随机接入过程 通知该基站该用户设备对该公共消息的接收完成； 或者， 通过专用消息通知 该基站该用户设备对该公共消息的接收完成。
根据本发明的实施例， 该通知模块 830通过在该公共消息的接收完成之 前， 不在第一 SRS窄带上发送 SRS, 并且在公共消息的接收完成之后， 按照 预设规则在第一 SRS窄带上发送 SRS, 通知该基站该用户设备对该公共消息 的接收完成。
根据本发明的实施例， 该通知模块 830在该公共消息接收完成之前， 按 照预设规则， 在至少一个 SRS窄带上发送 SRS, 并且在该公共消息接收完成 时， 停止在至少一个 SRS窄带之一上发送 SRS, 以通知该基站该公共消息接 收完成。
用户设备 800的各个单元的操作和功能可以参考上述图 1的方法的 110、 120和 130。 为了避免重复， 在此不再赘述。
图 9是根据本发明的一个实施例的基站 900的结构性示意图。 基站 900 包括发送模块 910、 确定模块 920和调度模块 930。
发送模块 910在公共消息时间窗内， 在公共消息窄带上向用户设备发送 公共消息。 确定模块 920根据该用户设备的通知确定该用户设备对该公共消 息的接收完成。 调度模块 930在确定该用户设备对该公共消息的接收完成时， 调度该用户设备在该公共消息时间窗的剩余时间内在数据窄带上传输数据。
根据本发明的实施例， 该确定模块 920根据该用户设备发送的参考信号 确定该用户设备对该公共消息的接收完成； 或者， 确定模块 920根据该用户 设备发送的调度请求确定该用户设备对该公共消息的接收完成； 或者， 确定 模块 920根据该用户设备发起的随机接入过程确定该用户设备对该公共消息 的接收完成； 或者， 确定模块 920根据该用户设备发送的专用消息确定该用 户设备对该公共消息的接收完成。
根据本发明的实施例， 该确定模块 920可以按照预设规则在第一 SRS窄 带上接收 SRS, 并且在第一 SRS窄带上接收到 SRS时， 确定该用户设备对该 公共消息的接收完成。 根据本发明的实施例， 确定模块 920按照预设规则， 在至少一个 SRS窄 带上接收 SRS, 并且在至少一个 SRS窄带之一上接收不到 SRS时， 确定该用 户设备对该公共消息的接收完成。
基站 900的各个单元的操作和功能可以参考上述图 2的方法的 210、 220 和 230, 为了避免重复， 在此不再赘述。
图 10是根据本发明的另一实施例的用户设备 1000的结构性示意图。 用 户设备 1000包括： 接收器 1010、 处理器 1020、 发送器 1030、 存储器 1040和 总线 1050。
接收器 1010在公共消息时间窗内， 接收基站在公共消息窄带上发送的公 共消息。 处理器 1020通过总线 1050 , 调用存储器 1040中存储的代码， 用于 在接收器 1010对该公共消息的接收完成时， 从该公共消息窄带切换到数据窄 带， 并且通过发送器 1030通知该基站该用户设备对该公共消息的接收完成， 以便该基站调度该用户设备在该公共消息时间窗内的剩余时间在数据窄带上 传输数据。
根据本发明的实施例， 用户设备可以及时让基站获知用户设备对公共消 息的接收已经完成， 以避免基站等到公共消息时间窗期满才对用户设备进行 调度， 从而提高了时间资源的利用率。
根据本发明的实施例， 该处理器 1020通过发送器 1030通过参考信号通 知该基站该用户设备对该公共消息的接收完成； 或者， 通过向该基站发送调 度请求通知该基站该用户设备对该公共消息的接收完成； 或者， 通过发起随 机接入过程通知该基站该用户设备对该公共消息的接收完成； 或者， 通过专 用消息通知该基站该用户设备对该公共消息的接收完成。
根据本发明的实施例， 处理器 1020通过发送器 1030通过在该公共消息 的接收完成之前， 不在第一 SRS窄带上发送 SRS, 并且在公共消息的接收完 成之后， 按照预设规则在第一 SRS窄带上发送 SRS , 通知该基站该用户设备 对该公共消息的接收完成。
根据本发明的实施例， 该处理器 1020通过发送器 1030在该公共消息接 收完成之前， 按照预设规则， 在至少一个 SRS窄带上发送 SRS , 并且在该公 共消息接收完成时， 停止在至少一个 SRS窄带之一上发送 SRS, 以通知该基 站该公共消息接收完成。 用户设备 1000的各个单元的操作和功能可以参考上述图 1的方法的 110、 120和 130。 为了避免重复， 在此不再赘述。
图 11是根据本发明的另一实施例的基站 1100的结构性示意图。基站 1100 包括发送器 1110、 处理器 1120、 接收器 1130、 存储器 1140和总线 1150。
发送器 1110在公共消息时间窗内， 在公共消息窄带上向用户设备发送公 共消息。 接收器 1130接收用户设备的通知。 处理器 1120通过总线 1150 , 调 用存储器 1140中存储的代码， 用于在根据接收器 1130接收到的该用户设备 的通知确定该用户设备对该公共消息的接收完成时， 通过发送器 1110调度该 用户设备在该公共消息时间窗的剩余时间内在数据窄带上传输数据。
根据本发明的实施例， 该处理器 1120根据接收器 1130接收到的该用户 设备发送的参考信号确定该用户设备对该公共消息的接收完成； 或者， 根据 接收器 1130接收到的该用户设备发送的调度请求确定该用户设备对该公共消 息的接收完成； 或者， 根据接收器 1130接收到的该用户设备发起的随机接入 过程确定该用户设备对该公共消息的接收完成； 或者， 根据接收器 1130接收 到的该用户设备发送的专用消息确定该用户设备对该公共消息的接收完成。
根据本发明的实施例，接收器 1130可以按照预设规则在第一 SRS窄带上 接收 SRS,并且处理器 1120在接收器 1130在第一 SRS窄带上接收到 SRS时， 确定该用户设备对该公共消息的接收完成。
根据本发明的实施例，接收器 1130按照预设规则， 在至少一个 SRS窄带 上接收 SRS, 并且处理器 1120在接收器 1130在至少一个 SRS窄带之一上接 收不到 SRS时， 确定该用户设备对该公共消息的接收完成。
基站 1100的各个单元的操作和功能可以参考上述图 2的方法的 210、 220 和 230, 为了避免重复， 在此不再赘述。
本发明实施例还提供一种通信系统可包括上述实施例所述的用户设备和 基站。
本领域普通技术人员可以意识到， 结合本文中所公开的实施例描述的各 示例的单元及算法步骤， 能够以电子硬件、 或者计算机软件和电子硬件的结 合来实现。 这些功能究竟以硬件还是软件方式来执行， 取决于技术方案的特 定应用和设计约束条件。 专业技术人员可以对每个特定的应用来使用不同方 法来实现所描述的功能， 但是这种实现不应认为超出本发明的范围。 所属领域的技术人员可以清楚地了解到， 为描述的方便和简洁， 上述描 述的系统、 装置和单元的具体工作过程， 可以参考前述方法实施例中的对应 过程， 在此不再赘述。
在本申请所提供的几个实施例中， 应该理解到， 所揭露的系统、 装置和 方法， 可以通过其它的方式实现。 例如， 以上所描述的装置实施例仅仅是示 意性的， 例如， 所述单元的划分， 仅仅为一种逻辑功能划分， 实际实现时可 以有另外的划分方式， 例如多个单元或组件可以结合或者可以集成到另一个 系统， 或一些特征可以忽略， 或不执行。 另一点， 所显示或讨论的相互之间 的耦合或直接耦合或通信连接可以是通过一些接口， 装置或单元的间接耦合 或通信连接， 可以是电性， 机械或其它的形式。 为单元显示的部件可以是或者也可以不是物理单元， 即可以位于一个地方， 或者也可以分布到多个网络单元上。 可以根据实际的需要选择其中的部分或 者全部单元来实现本实施例方案的目的。
另外， 在本发明各个实施例中的各功能单元可以集成在一个处理单元中， 也可以是各个单元单独物理存在， 也可以两个或两个以上单元集成在一个单 元中。
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使用 时， 可以存储在一个计算机可读取存储介质中。 基于这样的理解， 本发明的 技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可 以以软件产品的形式体现出来， 该计算机软件产品存储在一个存储介质中， 包括若干指令用以使得一台计算机设备（可以是个人计算机， 服务器， 或者 网络设备等）执行本发明各个实施例所述方法的全部或部分步骤。 而前述的 存储介质包括： U盘、 移动硬盘、 只读存储器（ROM, Read-Only Memory ), 随机存取存储器（RAM, Random Access Memory ),磁碟或者光盘等各种可以 存储程序代码的介质。
以上所述， 仅为本发明的具体实施方式， 但本发明的保护范围并不局限 于此， 任何熟悉本技术领域的技术人员在本发明揭露的技术范围内， 可轻易 想到变化或替换， 都应涵盖在本发明的保护范围之内。 因此， 本发明的保护 范围应以权利要求的保护范围为准。

Claims

权 利 要求 书
1、 一种调度方法， 其特征在于， 包括：
用户设备在公共消息时间窗内， 接收基站在公共消息窄带上发送的公共消 息；
所述用户设备在对所述公共消息的接收完成时， 从所述公共消息窄带切换 到数据窄带；
所述用户设备通知所述基站所述用户设备对所述公共消息的接收完成， 以 便所述基站调度所述用户设备在所述公共消息时间窗的剩余时间内在所述数据 窄带上传输数据。
2、 根据权利要求 1所述的调度方法， 其特征在于， 所述用户设备通知所述 基站所述用户设备对所述公共消息的接收完成， 包括：
所述用户设备通过参考信号通知所述基站所述用户设备对所述公共消息的 接收完成；
或者，
所述用户设备通过向所述基站发送调度请求通知所述基站所述用户设备对 所述公共消息的接收完成；
或者，
所述用户设备通过发起随机接入过程通知所述基站所述用户设备对所述公 共消息的接收完成；
或者，
所述用户设备通过专用消息通知所述基站所述用户设备对所述公共消息的 接收完成。
3、 根据权利要求 2所述的调度方法， 其特征在于， 所述用户设备通过参考 信号通知所述基站所述用户设备对所述公共消息的接收完成， 包括：
所述用户设备通过在所述公共消息的接收完成之前， 不在第一探测参考信 号窄带上发送探测参考信号， 并且在公共消息的接收完成之后， 按照预设规则 在所述第一探测参考信号窄带上发送探测参考信号， 通知所述基站所述用户设 备对所述公共消息的接收完成。
4、 根据权利要求 2所述的调度方法， 其特征在于， 所述用户设备通过参考 信号通知所述基站所述用户设备对所述公共消息的接收完成， 包括： 所述用户设备在所述公共消息接收完成之前， 按照预设规则， 在至少一个 探测参考信号窄带上发送探测参考信号， 并且在所述公共消息接收完成时， 停 止在所述至少一个探测参考信号窄带之一上发送探测参考信号， 以通知所述基 站所述公共消息接收完成。
5、 一种调度方法， 其特征在于， 包括：
基站在公共消息时间窗内， 在公共消息窄带上向用户设备发送公共消息； 所述基站根据所述用户设备的通知确定所述用户设备对所述公共消息的接 收完成；
所述基站在确定所述用户设备对所述公共消息的接收完成时， 调度所述用 户设备在所述公共消息时间窗的剩余时间内在数据窄带上传输数据。
6、 根据权利要求 5所述的调度方法， 其特征在于， 所述基站根据所述用户 设备的通知确定所述用户设备对所述公共消息的接收完成， 包括：
所述基站根据所述用户设备发送的参考信号确定所述用户设备对所述公共 消息的接收完成；
或者，
所述基站根据所述用户设备发送的调度请求确定所述用户设备对所述公共 消息的接收完成；
或者，
所述基站根据所述用户设备发起的随机接入过程确定所述用户设备对所述 公共消息的接收完成；
或者，
所述基站根据所述用户设备发送的专用消息确定所述用户设备对所述公共 消息的接收完成。
7、 根据权利要求 6所述的调度方法， 其特征在于， 所述基站根据所述用户 设备发送的参考信号确定所述用户设备对所述公共消息的接收完成， 包括： 所述基站按照预设规则， 在第一探测参考信号窄带上接收探测参考信号， 并且在所述第一探测参考信号窄带上接收到所述探测参考信号时， 确定所述用 户设备对所述公共消息的接收完成。
8、 根据权利要求 6所述的调度方法， 其特征在于， 所述基站根据所述用户 设备发送的参考信号确定所述用户设备对所述公共消息的接收完成， 包括： 所述基站按照预设规则， 在至少一个探测参考信号窄带上接收探测参考信 号， 并且在所述基站在所述至少一个探测参考信号窄带之一上接收不到所述探 测参考信号时， 确定所述用户设备对所述公共消息的接收完成。
9、 一种用户设备， 其特征在于， 包括：
接收模块， 用于在公共消息时间窗内， 接收基站在公共消息窄带上发送的 公共消息；
切换模块， 用于在对所述公共消息的接收完成时， 从所述公共消息窄带切 换到数据窄带；
通知模块， 用于通知所述基站所述用户设备对所述公共消息的接收完成， 以便所述基站调度所述用户设备在所述公共消息时间窗的剩余时间内在所述数 据窄带上传输数据。
10、 根据权利要求 9 所述的用户设备， 其特征在于， 所述通知模块用于通 过参考信号通知所述基站所述用户设备对所述公共消息的接收完成； 或者， 通 过向所述基站发送调度请求通知所述基站所述用户设备对所述公共消息的接收 完成； 或者， 通过发起随机接入过程通知所述基站所述用户设备对所述公共消 息的接收完成； 或者， 通过专用消息通知所述基站所述用户设备对所述公共消 息的接收完成。
11、 根据权利要求 10所述的用户设备， 其特征在于， 所述通知模块通过在 所述公共消息的接收完成之前， 不在第一探测参考信号窄带上发送探测参考信 号， 并且在公共消息的接收完成之后， 按照预设规则在第一探测参考信号窄带 上发送探测参考信号， 通知所述基站所述用户设备对所述公共消息的接收完成。
12、 根据权利要求 10所述的用户设备， 其特征在于， 所述通知模块在所述 公共消息接收完成之前， 按照预设规则， 在至少一个探测参考信号窄带上发送 探测参考信号， 并且在所述公共消息接收完成时， 停止在所述至少一个探测参 考信号窄带之一上发送探测参考信号， 以通知所述基站所述公共消息接收完成。
13、 一种基站， 其特征在于， 包括：
发送模块， 用于在公共消息时间窗内， 在公共消息窄带上向用户设备发送 公共消息；
确定模块， 用于根据所述用户设备的通知确定所述用户设备对所述公共消 息的接收完成； 调度模块， 用于在确定所述用户设备对所述公共消息的接收完成时， 调度 所述用户设备在所述公共消息时间窗的剩余时间内在数据窄带上传输数据。
14、 根据权利要求 13所述的基站， 其特征在于， 所述确定模块根据所述用 户设备发送的参考信号确定所述用户设备对所述公共消息的接收完成； 或者， 所述确定模块根据所述用户设备发送的调度请求确定所述用户设备对所述公共 消息的接收完成； 或者， 所述确定模块根据所述用户设备发起的随机接入过程 确定所述用户设备对所述公共消息的接收完成； 或者， 所述确定模块根据所述 用户设备发送的专用消息确定所述用户设备对所述公共消息的接收完成。
15、 根据权利要求 14所述的基站， 其特征在于， 所述确定模块按照预设规 则， 在第一探测参考信号窄带上接收探测参考信号， 并且在所述第一探测参考 信号窄带上接收到所述探测参考信号时， 确定所述用户设备对所述公共消息的 接收完成。
16、 根据权利要求 14所述的基站， 其特征在于， 所述确定模块按照预设规 则， 在至少一个探测参考信号窄带上接收探测参考信号， 并且在所述基站在所 述至少一个探测参考信号窄带之一上接收不到所述探测参考信号时， 确定所述 用户设备对所述公共消息的接收完成。
PCT/CN2013/082794 2012-08-31 2013-09-02 调度方法、用户设备和基站 Ceased WO2014032626A1 (zh)

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