WO2016165646A1 - 用于无线通信的电子设备和方法 - Google Patents

用于无线通信的电子设备和方法 Download PDF

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Publication number
WO2016165646A1
WO2016165646A1 PCT/CN2016/079383 CN2016079383W WO2016165646A1 WO 2016165646 A1 WO2016165646 A1 WO 2016165646A1 CN 2016079383 W CN2016079383 W CN 2016079383W WO 2016165646 A1 WO2016165646 A1 WO 2016165646A1
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Prior art keywords
information
low priority
status report
data
base station
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PCT/CN2016/079383
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English (en)
French (fr)
Inventor
魏宇欣
孙晨
陈晋辉
郭欣
Original Assignee
索尼公司
魏宇欣
孙晨
陈晋辉
郭欣
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.)
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Application filed by 索尼公司, 魏宇欣, 孙晨, 陈晋辉, 郭欣 filed Critical 索尼公司
Priority to JP2017550220A priority Critical patent/JP6729599B2/ja
Priority to AU2016249431A priority patent/AU2016249431B2/en
Priority to BR112017021838A priority patent/BR112017021838A2/pt
Priority to US15/565,492 priority patent/US10645719B2/en
Priority to EP16779621.8A priority patent/EP3285518B1/en
Publication of WO2016165646A1 publication Critical patent/WO2016165646A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0278—Traffic management, e.g. flow control or congestion control using buffer status reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • H04W72/566—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient
    • H04W72/569—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient of the traffic information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network

Definitions

  • the present disclosure relates generally to the field of wireless communications and, more particularly, to electronic devices and methods for wireless communication.
  • LTE Long Term Evolution
  • the use of unlicensed bands is valued by more and more operators, and is considered as a supplement to existing LTE licensed bands to improve the quality of service for users. Therefore, how to use unlicensed bands and coexist with other systems on unlicensed bands is the first problem to be solved.
  • the consensus reached in the industry is that an unlicensed channel needs to be used with the assistance of the licensed spectrum to provide services to the terminal through carrier aggregation.
  • the terminal When there is data to be transmitted, the terminal needs to send a scheduling request (SR) to the base station for requesting transmission of resources. Thereafter, a buffer status report (BSR) can be sent to inform the base station of the data volume of the buffer on the terminal side, so that the base station allocates reasonable transmission resources.
  • SR scheduling request
  • BSR buffer status report
  • LAA Authorized Auxiliary Access
  • LAA's use of unlicensed spectrum is very dynamic. For fairness and avoidance of interference to other systems, users may be interrupted to use the spectrum at any time. Therefore, LAA is only suitable for services with low communication quality requirements. It is not suitable for real-time and high-reliability services. However, this information is not included in the design of existing SRs.
  • the SR process will be different depending on whether the LAA can work independently and whether it works with the licensed spectrum in a carrier aggregation manner.
  • an electronic device for wireless communication includes one or more processors configured to: determine data states of low priority traffic available for uplink transmission; and data based on low priority traffic The state generates scheduling assistance information for the scheduler of the base station, and the scheduling assistance information is related to the transmission of the user equipment on the unlicensed transmission resource.
  • a method for wireless communication includes determining a data state of a low priority service available for uplink transmission; and generating scheduling assistance information for a scheduler of the base station based on a data state of the low priority traffic
  • the scheduling assistance information is related to the transmission of the user equipment on the unlicensed transmission resource.
  • an electronic device for wireless communication includes one or more processors configured to: for unlicensed transmission resources based on scheduling assistance information from a user equipment regarding low priority traffic Performing an allocation; and generating a scheduling allocation information containing information about the unlicensed transmission resources for transmission by the user equipment.
  • a method for wireless communication includes the steps of allocating unlicensed transmission resources based on scheduling assistance information from a user equipment regarding low priority traffic and generating a schedule containing information about unlicensed transmission resources The step of allocating information for transmission by the user equipment.
  • an apparatus for a terminal side of a wireless communication system includes an acquisition unit, a generation unit, and a transmission unit.
  • the obtaining unit is configured to acquire the amount of data of the low priority service to be transmitted in the buffer of the logical channel of the device.
  • the generation unit is configured to insert information about the amount of data into the buffer status report.
  • the transmitting unit is configured to send a buffer status report to the base station.
  • a wireless communication method used by a device on a terminal side includes: obtaining Taking the data volume of the low priority service to be sent in the buffer of the logical channel of the device; inserting information about the data amount into the buffer status report; and transmitting the buffer status report to the base station.
  • an apparatus for a base station side of a wireless communication system includes a receiving unit and a scheduling unit.
  • the receiving unit is configured to receive a buffer status report, and the buffer status report is inserted with information on the amount of data of the low priority service to be transmitted on the logical channel of the terminal side device.
  • the scheduling unit is configured to allocate an uplink transmission resource to the terminal side device according to the information about the amount of data.
  • a wireless communication method used by a device on a base station side includes: receiving a buffer status report, the buffer status report being inserted with data about a low priority service to be transmitted on a logical channel of the terminal side device The amount of information; and the uplink transmission resource is allocated to the terminal side device according to the information about the amount of data.
  • FIG. 1 is a block diagram showing a configuration example of an electronic device for wireless communication according to an embodiment of the present invention
  • FIG. 2 is a block diagram showing a configuration example of an electronic device for wireless communication according to another embodiment
  • FIG. 3 is a block diagram showing a configuration example of a user equipment according to still another embodiment
  • FIG. 4 is a flow chart showing an example of a process of a method for wireless communication according to an embodiment of the present invention
  • FIG. 5 is a block diagram showing a configuration example of an electronic device for wireless communication according to an embodiment of the present invention.
  • FIG. 6 is a block diagram showing a configuration example of an electronic device for wireless communication according to another embodiment
  • FIG. 7 is a block diagram showing a configuration example of a base station according to still another embodiment.
  • FIG. 8 is a diagram showing an example of a procedure of a method for wireless communication according to an embodiment of the present invention. flow chart
  • FIG. 9 is a block diagram showing a configuration example of a device for a terminal side of a wireless communication system according to an embodiment of the present invention.
  • FIG. 10 is a flowchart showing an example of a procedure of a wireless communication method used by a device on the terminal side according to an embodiment of the present invention.
  • FIG. 11 is a block diagram showing a configuration example of a device for a base station side of a wireless communication system according to an embodiment of the present invention.
  • FIG. 12 is a flowchart showing an example of a procedure of a wireless communication method used by a device on a base station side according to an embodiment of the present invention
  • FIG. 13 is a block diagram showing an exemplary structure of a computer that implements the method and apparatus of the present disclosure
  • FIG. 14 is a block diagram showing an example of a schematic configuration of a smartphone that can apply the technology of the present disclosure
  • FIG. 15 is a block diagram showing an example of a schematic configuration of an eNB (Evolved Base Station) to which the technology of the present disclosure can be applied;
  • eNB Evolved Base Station
  • Figure 16 shows the structure of a medium access control packet data unit according to the prior art
  • FIG. 17 shows an example structure of a medium access control packet data unit corresponding to an embodiment of the present invention
  • Figure 18 shows a table of logical channel identifiers for an uplink shared channel in accordance with the prior art
  • FIG. 19 shows an example of a table of logical channel identifiers corresponding to an embodiment of the present invention.
  • FIG. 20 illustrates an example of a scheduling request transmission flow in an LAA scenario, in accordance with one embodiment
  • 21 illustrates another example of a scheduling request transmission flow in an LAA scenario in accordance with another embodiment.
  • an electronic device 100 for wireless communication in accordance with one embodiment of the present invention includes one or more processors 110 configured to determine low priority traffic available for uplink transmissions. Data state; and scheduling assistance information for the base station's scheduler based on the data state of the low priority traffic, the scheduling assistance information being related to the transmission of the user equipment on the unlicensed transmission resource.
  • the processor 110 includes a determination unit 111 and a generation unit 113, shown in dashed lines in FIG. 1, wherein the determination unit 111 may correspond to determining a data state of a low priority service available for uplink transmission.
  • the function, generation unit 113 may correspond to a function of generating scheduling assistance information for the scheduler of the base station based on the data state of the low priority service. It should be understood, however, that the functions of the determining unit 111 and the generating unit 113 may also be implemented by the processor 110 as a whole, and are not necessarily implemented by separate physical components in the processor 110.
  • the electronic device 100 may include a plurality of processors, and may distribute functions corresponding to the determining unit 111 and the generating unit 113 to a plurality of processors, Thus, multiple processors operate in concert to perform these functions. The same applies to other embodiments that are described later in connection with similar block diagrams.
  • low-priority services include, for example, services with lower communication quality requirements (QoS).
  • QoS communication quality requirements
  • low-QoS services may include services with high delay tolerance, services with high error rate tolerance, and non-core content.
  • Business such as advertising data.
  • the electronic device 100 determines radio bearer QoS information (such as parameters such as QCI, ARP, GBR, and AMBR) of the data to be transmitted, and associates with the predetermined low QoS parameter according to the QoS information. (For example, whether the QoS level indicated by the QCI falls within the low QoS level range)
  • the wireless network operator can configure the predetermined low QoS parameters in its network as needed. It can be understood that in different communication systems, the evaluation of the service priority may be based on different quality of service requirement parameters, and the above only gives the case in the LTE communication system as an example.
  • the scheduling assistance information may include, for example, an Authorization Assistance Access Scheduling Request (LAA-SR) itself, a buffer status report (BSR), a geographic location of the user equipment, a candidate channel idle condition on the unlicensed transmission resource, The channel quality of the candidate channel on the transmission resource is not authorized.
  • LAA-SR Authorization Assistance Access Scheduling Request
  • BSR buffer status report
  • the scheduler in the base station determines the uplink resources available for transmission for the user equipment it serves, for example, determining which user equipments can obtain uplink resources and which uplink time-frequency resources, for example, in LTE
  • the transport layer in the system is, for example, available resource blocks on the uplink shared channel (UL-SCH) or a specific component carrier.
  • the base station can also control the transmission format selection of the user equipment (size selection of the transmission block, modulation scheme, antenna mapping, etc.).
  • the scheduler of the present invention is, for example, scheduled on a user-by-user basis.
  • the scheduler In the existing communication protocol, the scheduler generally performs autonomous resource scheduling based on the scheduling request (SR) and/or the buffer status report of the user equipment in general, for example, which component carriers are scheduled, and the user equipment does not have specific resources. Make recommendations or requests or even provide relevant information.
  • SR scheduling request
  • the buffer status report of the user equipment in general, for example, which component carriers are scheduled, and the user equipment does not have specific resources.
  • an exemplary solution of the present invention provides a scheduling request LAA-SR for LAA resources.
  • the transmission object of the LAA-SR is slightly different: if the LAA cell and the requested user equipment do not have uplink transmission (for example, there is no transmission for transmission on the LAA band).
  • the resource of the LAA-SR, the transmission target of the LAA-SR is the primary cell (the cell corresponding to the primary component carrier (PCC), which may be, for example, a macro cell or a small cell of the licensed frequency band); if the LAA cell and the requested user
  • the device has an uplink transmission (for example, there is a resource for transmitting the LAA-SR on the LAA band), and the LAA-SR transmits the object to the LAA cell.
  • the LAA-SR has the same signaling structure as the normal SR, for example, is carried by the PUCCH and transmitted to the primary cell, and the SR is clarified by transmitting the BSR immediately after the LAA-SR.
  • the base station when the base station acquires the SR and the BSR and performs resource scheduling, the base station preferentially schedules an unlicensed frequency band for the corresponding user equipment, for example, activates and schedules the LAA component carrier.
  • the base station pre-configured the user equipment with a dedicated LAA-SR resource (for example, configured by SchedulingRequestConfig in RRC signaling), and the SR received by the base station on the corresponding resource is considered to be untargeted.
  • a scheduling request for an authorized resource In still another example of the present invention, the SRs received by the base station on the LAA band are considered to be resource scheduling requests for the LAA band. Thereby, the user equipment can actively recommend the specific resource type required.
  • the SR only indicates that the terminal has uplink data to be transmitted, and how much resources need to be allocated needs to be determined according to, for example, the amount of buffer data in the BSR.
  • the BSR specified by the existing standard reports the total amount of data corresponding to all logical channels in the same logical channel group.
  • the use of LAA is very dynamic, so it is more suitable for non-real-time services (low QoS services). This type of information is not included in the existing BSR design.
  • the data state of the low priority traffic determined by processor 110 may include the amount of data in the buffer for low priority traffic available for uplink transmission.
  • the processor 110 in the case where the auxiliary information includes the BSR, the processor 110 (the generating unit 113) may include the indication information for the determined data amount of the low priority service in the BSR for use in the base station. scheduler.
  • the indication information according to the present embodiment may include only information about the buffer size of the low priority service and does not include the buffer regarding the high priority service. Size information.
  • the processor 110 may further include the logical channel and/or the identification information of the logical channel group to which the low priority service belongs, where the logical channel includes, for example, a dedicated traffic channel (DTCH).
  • DTCH dedicated traffic channel
  • the present embodiment provides a BSR that reflects the amount of data of a low QoS (which may correspond to a lower priority in its channel configuration) in a corresponding logical channel, such as a dedicated traffic channel DTCH.
  • a BSR format is:
  • a sub-logical channel ID (having a length of, for example, 2 bits) indicates a logical channel corresponding to the BSR. Since the communication resources of the unlicensed band are not stable, they are usually used to transmit service data, and thus it is possible to design a BSR only for a DTCH, for example, thereby reducing the complexity of the BSR. In this case, the sub-LCID may not be set. On the other hand, the sub-LCID can also be preserved, with the added benefit of being consistent with the existing BSR Media Access Control Element (MAC CE) structure.
  • MAC CE BSR Media Access Control Element
  • the BSR may be directed to other required logical channels, such as a control channel such as a Common Control Channel (CCCH), a Dedicated Control Channel (DCCH), or as a standard evolution or a communication standard other than LTE-A.
  • a control channel such as a Common Control Channel (CCCH), a Dedicated Control Channel (DCCH), or as a standard evolution or a communication standard other than LTE-A.
  • CCCH Common Control Channel
  • DCCH Dedicated Control Channel
  • Other business channels such as a standard evolution or a communication standard other than LTE-A.
  • the foregoing sub-logical channel ID may be replaced by a logical channel group ID (LCG ID) in the prior art, and the MAC CE carries a buffer of a low-priority service of the logical channel group corresponding to the entire LCG ID. Size information is no longer limited to a specific logical channel.
  • the BSR format is:
  • the buffer size is indicated by 6 bits, which is the same as the existing standard.
  • the present invention is not limited thereto, and the different data length indication buffer sizes may be employed as needed.
  • the processor 110 may also be about low priority.
  • the BSR of the priority service is included in the MAC CE, and generates a MAC protocol data unit subheader corresponding to the MAC CE, and the subheader may include type information indicating that the MAC CE is a BSR related to the low priority service.
  • the type information may be indicated by a logical channel identifier in the subheader, and the index of the corresponding logical channel identifier takes one of binary values 01011 to 11000.
  • existing MAC protocol data unit subheaders for BSRs may be multiplexed in some examples.
  • the MAC CE is a BSR related to a low priority service by using a transmission relationship between the BSR and the SR.
  • the BSR can be determined to have a low priority service.
  • whether the MAC CE is carried by the load of the MAC CE is type information about the BSR of the low priority service.
  • the buffer size of the low priority service is generally smaller than that of the conventional all services, so it can be designed to use only 5 bits to indicate the buffer size and 1 bit to specifically indicate whether the BSR is for the LAA. Low priority business BSR.
  • the BSR format is:
  • the UE may directly send the BSR without sending the SR, and the base station may determine that the BSR is related to the low priority service, for example, by using a MAC packet data unit (PDU) subheader or the above 1-bit indicator bit.
  • PDU packet data unit
  • the MAC message includes a MAC header and a MAC payload.
  • the MAC header includes a plurality of subheaders
  • the MAC payload includes a MAC CE/MAC Service Data Unit (SDU)/padding.
  • SDU MAC CE/MAC Service Data Unit
  • Each subheader of the MAC header indicates the payload of the corresponding location (as indicated by the arrows in the figure).
  • FIG. 17 shows an example structure of a MAC message corresponding to an example embodiment.
  • the structure of the sub-header corresponding to the MAC CE of the LAA BSR is R/R/E/LCID including four domains (E: whether there are multiple domains, such as whether there is a next set of R/R/E/LCID; R: reserved ).
  • the LCID (traditional) is used to determine whether it is a sub-header of the LAA BSR (the LCID may indicate the type of the MAC CE).
  • the LCID in the MAC sub-header of the LAA BSR in the present invention takes a binary value of 01011-11000.
  • 01011 which is the consensus of the UE and the BS
  • 01011-11000 is a reserved bit of the LCID, it can be changed without modification to the standard and can be easily implemented for the LAA BSR. Instructions.
  • the subheader of the MAC header indicates the payload of the corresponding location.
  • FIG. 18 and FIG. 19 respectively show a list of LCID values for an uplink shared channel and a list of LCID values corresponding to the above-described example embodiments of the present invention according to an existing standard.
  • 01011 in the reserved bits in the existing standard is used to indicate that the MAC CE is about the LAA BSR
  • 01100 is used to indicate that the MAC CE is about channel availability.
  • the index value of the corresponding logical channel identifier may also be other values in the binary values 01011 to 11000.
  • the BSR is sent after the LAA-SR is sent;
  • this BSR can be sent in the form of a short BSR or a truncated BSR or even a long BSR.
  • auxiliary information can be sent after the LAA-SR to provide a decision basis for subsequent LAA resource allocation.
  • the information may include, for example, geographic location information of the terminal, such as an idle condition of each candidate channel on the 5G frequency band (the terminal needs to perform detection, and the specific detection method may be according to the prior art).
  • a new MAC CE may be defined to transmit the geographical location information of the terminal.
  • the format of the CE of each candidate channel idle condition on the 5G frequency band may be, for example,
  • the first 5 bits identify the channel ID of the unlicensed band being monitored, the next 1 bit identifies whether the channel is available, and the next 2 bits are reserved for adding other information such as channel quality.
  • the unlicensed frequency band may be divided into no more than 8 unlicensed channels in advance, for example, each channel corresponds to a preset frequency range, and an arrangement order is set for each candidate channel (the UE has a consensus with the base station), instead of It is necessary to specifically indicate the channel ID, so that the format of the CE indicating the idle condition of each candidate channel can be, for example,
  • the base station side can determine the idle status of each candidate channel on the unlicensed frequency band according to the MAC CE indicating the channel availability, and perform resource scheduling from the transmission resources corresponding to the idle channel.
  • the structure of the subheader of this CE is R/R/E/LCID including four domains, where the LCID value can be one of 01011-11000 (required with LAA BSR MACCE) The LCID value is different).
  • one MAC PDU generated by the UE may include both the legacy BSR and the LAA BSR.
  • the base station can comprehensively determine a resource scheduling scheme according to the traditional BSR and the LAA BSR.
  • the electronic device 200 includes one or more processors 210 that are configured to perform functions similar to those previously described with reference to FIG. 1 (ie, the determining unit 211 and the generating unit 213 are similar to the determining unit 111 and In addition to the generating unit 113), it is further configured to map the data of the low priority traffic to the corresponding unlicensed transmission resource for transmission to the base station based on the scheduling assignment information of the scheduler of the base station.
  • the unlicensed transmission resources include, for example, transmission resources on a wireless network (wifi) frequency band and a television (TV) frequency band. More specifically, the data may be mapped to a PUSCH (Physical Uplink Shared Channel) resource (eg, a specific channel), a component carrier, a time-frequency resource block, a frequency band, an effective time period, and the like according to the scheduling allocation information.
  • PUSCH Physical Uplink Shared Channel
  • an electronic device for wireless communication in accordance with one embodiment may be the user device itself.
  • the user equipment 300 includes one or more processors 310 and a transmitter 320.
  • the processor 310 is configured to perform transmission based on the user equipment to the base station, in addition to being configured to perform the functions explained above with reference to FIG. 1 (ie, the determining unit 311 and the generating unit 313 are similar to the determining unit 111 and the generating unit 113).
  • the availability of resources selects a transmission resource for transmitting scheduling assistance information (selection unit 315).
  • the transmission resource may be selected from the licensed frequency band and the unlicensed frequency band, or may be from a physical uplink control channel (PUCCH), a physical uplink shared channel.
  • the transmission resource is selected in (PUSCH) and a random access channel (RACH).
  • the user equipment in the case that the user equipment has been allocated a data transmission resource such as a PUSCH resource, it is preferable to select a BSR carrying scheduling assistance information, such as a LAA, through the data transmission resource; for example, the user equipment is only configured with a control information transmission resource such as PUCCH
  • the scheduling assistance information such as the LAA-SR is carried by the control information transmission resource; and if the user equipment does not obtain the data transmission resource or the control information transmission resource, it is determined that the random access is obtained.
  • the base station grants authorization and resources for uplink transmission, for example, scheduling assistance information about the LAA through the RACH.
  • Transmitter 320 is configured to transmit scheduling assistance information over the selected transmission resource.
  • the method according to the present embodiment includes the step of determining a data state of a low priority service available for uplink transmission (S410), and generating a schedule for a scheduler of the base station based on the data state of the low priority service.
  • embodiments of the present invention also include an apparatus and method for a base station side.
  • Some details in the downlink data processing performed by the base station side may be similar or corresponding to the details on the user equipment side, and therefore, in the following description of the embodiment of the apparatus and method on the base station side, the one already discussed above is omitted. In the details, it should be understood that these specific details are equally applicable to the processing performed on the base station side.
  • an electronic device 500 for wireless communication in accordance with one embodiment includes one or more processors 510.
  • the processor 510 is configured to allocate unlicensed transmission resources based on scheduling assistance information from the user equipment regarding low priority traffic (allocation unit 511). Processor 510 is also configured to generate scheduling allocation information including information about unlicensed transmission resources for transmission by the user equipment (generation unit 513).
  • the scheduling assistance information may include a BSR
  • the processor 510 may read the BSR, determine the amount of data of the low priority service available in the user equipment buffer for uplink transmission, and allocate the unlicensed transmission resource according to the data volume. .
  • FIG. 6 illustrates an electronic device for wireless communication in accordance with another embodiment.
  • Electronic device 600 One or more processors 610 are included.
  • the processor 610 is configured to acquire a MAC from the user equipment in addition to being configured to perform the functions explained above with reference to FIG. 5 (ie, the allocation unit 611 and the generation unit 613 are similar to the allocation unit 511 and the generation unit 513).
  • the protocol data unit determines, according to a subheader of the MAC protocol data unit, a MAC control element of the BSR including the low priority service in the MAC protocol data unit to read the BSR (acquisition unit 615).
  • the subheader may include type information indicating that the MAC control element is a BSR related to a low priority service.
  • the acquisition unit 615 can read the BSR, for example, based on the example manner previously explained with reference to FIGS. 17 and 19.
  • an electronic device for wireless communication is a base station.
  • base station 700 includes one or more processors 710 and a receiver 720.
  • the processor 710 can be configured to perform functions similar to those previously described with reference to FIG. 5 (ie, the allocation unit 711 and the generation unit 713 are similar to the allocation unit 511 and the generation unit 513, respectively).
  • Receiver 720 is configured to receive scheduling assistance information from a user equipment or another base station serving the user equipment.
  • the LAA-SR of the user equipment may indicate a request for a corresponding uplink transmission resource of the LAA cell.
  • the receiver 720 can receive scheduling assistance information from the user equipment.
  • the transmission target of the LAA-SR of the user equipment is the primary cell.
  • the receiver 720 can receive scheduling assistance information from another base station serving the user equipment.
  • the primary cell is, for example, a Pcell.
  • the primary cell is, for example, a Pcell or a PScell.
  • the UE When the UE side needs to request the uplink transmission resource of the LAA, in ST2001, the UE sends the SR through the uplink resource of the LAA.
  • the UE side decides whether to directly transmit the SR through the PUCCH or initiate a new RACH procedure according to whether the PUCCH resource currently used by the SR is currently used or whether the upper limit of the SR has been reached (ST2003 if necessary).
  • the LAA base station performs uplink grant for the BSR to the UE.
  • the UE transmits a BSR identifying the low QoS service in the DTCH, and transmits other auxiliary information such as geographical location information and the like at ST2009.
  • the LAA base station After receiving the information, the LAA base station determines whether to allocate the LAA resource to the UE according to the occupancy of the LAA resource, the low priority of the UE, for example, the size of the non-real-time traffic, and the interference situation obtained by the geographic location. If it is decided to allocate a transmission resource, the resource allocation information may be notified to the UE through the primary cell or the LAA cell (ST2011). As shown in FIG. 21, in the case that the LAA cell does not support uplink transmission:
  • the UE side transmits the LAA-SR, the BSR, and other auxiliary information to the base station of the primary cell through the uplink resource of the primary cell.
  • the primary cell base station After receiving the information, the primary cell base station needs to generate X2 signaling including the scheduling assistance information of the UE, such as the LAA BSR, and pass the X2 if the LAA base station and the primary cell base station are located at different physical locations (for example, there are independent schedulers).
  • the signaling passes this information to the LAA base station (ST2109).
  • the LAA base station After the LAA base station makes a resource allocation decision, it can notify the UE in two ways.
  • Method 1 The resource allocation decision is notified to the primary cell base station by X2 signaling (if the LAA base station and the primary cell base station are located at different physical locations) (ST2111), and then the UE is notified through the downlink control channel of the primary cell (ST2113).
  • Method 2 The UE is directly notified through the downlink control channel of the LAA (ST2115).
  • the method for wireless communication includes the step of allocating an unlicensed transmission resource based on scheduling assistance information about a low priority service from a user equipment (S810), and generating the included A step of scheduling allocation information regarding unlicensed transmission resources for transmission by the user equipment (S820).
  • FIGS. 9 through 12 An apparatus and method for a terminal side of a wireless communication system and an apparatus and method for a base station side of a wireless communication system according to an embodiment of the present invention will be described with reference to FIGS. 9 through 12. It is pointed out that certain specific details in the previously described embodiments are also applicable to the embodiments described below.
  • a device 900 for a terminal side of a wireless communication system includes an acquisition unit 910, a generation unit 920, and a transmission unit 930.
  • the functions of the various units may be implemented by a processor and are not necessarily implemented by separate actual components.
  • the functions of the respective unit phases can be distributed to a plurality of processors, thereby being implemented by a plurality of processors operating in cooperation.
  • Device 900 Can be used in wireless communications that utilize unlicensed bands.
  • the obtaining unit 910 is configured to acquire the amount of data of the low priority traffic to be transmitted in the buffer of the logical channel of the device 900.
  • the logical channel can be a dedicated traffic channel
  • the generating unit 920 is configured to insert information about the amount of data into the BSR.
  • the transmitting unit 930 is configured to transmit the BSR to the base station.
  • the generating unit 920 is further configured to insert information of the flag logical channel into the BSR.
  • the generating unit 920 can be configured to indicate the BSR in a corresponding subheader of a Medium Access Control Packet Data Unit (MAC PDU) carrying a BSR.
  • MAC PDU Medium Access Control Packet Data Unit
  • the logical channel identifier (LCID) field in the subheader can be utilized to indicate the BSR.
  • the generating unit 920 can be configured to be configured to add a field of a specific bit in a Control Element (CE) of the MAC PDU carrying the BSR to indicate the BSR.
  • CE Control Element
  • the generating unit 920 can be configured to include the BSR for the low priority service in the MAC CE, and generate a MAC protocol data unit subheader corresponding to the MAC CE, the subheader indicating that the MAC control element is relevant Type information of the BSR of the low priority service.
  • Transmitting unit 930 can trigger the transmission of the BSR at a predetermined trigger condition (such as one of several trigger conditions as previously described).
  • the sending unit 930 can also transmit other information, such as geographic location information of the device and candidate channel idleness on the unlicensed frequency band.
  • the wireless communication method used by the device on the terminal side includes the step of acquiring the data amount of the low priority service to be transmitted in the buffer of the logical channel of the device (S1010), which will be related The step of inserting the information of the data amount into the BSR (S1020), and the step of transmitting the BSR to the base station (S1030).
  • a device 1100 for a base station side of a wireless communication system includes a receiving unit 1110 and a scheduling unit 1120.
  • the receiving unit 1110 is configured to receive a BSR inserted with information on the amount of data of the low priority traffic to be transmitted on the logical channel of the terminal side device.
  • the receiving unit 1110 may be further configured to receive other information, such as geographic location information of the terminal side device and candidate channel idle conditions on the unlicensed frequency band.
  • the scheduling unit 1120 is configured to allocate an uplink transmission resource to the terminal side device according to the information about the amount of data.
  • the scheduling unit 1120 can allocate, for example, the terminal side device in response to the reception of the BSR. Uplink transmission resources on the licensed band. Further, in a case where the receiving unit 1110 receives other information, the scheduling unit 1120 may use other information to perform the allocation.
  • a wireless communication method used by a device on a base station side includes a step of receiving a BSR (S1210) in which a low priority service to be transmitted on a logical channel of a terminal side device is inserted. Information on the amount of data. The method further includes the step of allocating an uplink transmission resource to the terminal side device based on the information about the amount of data (S1220).
  • the various steps of the above methods, as well as the various constituent modules and/or units of the above-described apparatus may be implemented as software, firmware, hardware or a combination thereof.
  • a program constituting software for implementing the above method may be installed from a storage medium or a network to a computer having a dedicated hardware structure (for example, the general-purpose computer 1300 shown in FIG. 13), which is installed.
  • a dedicated hardware structure for example, the general-purpose computer 1300 shown in FIG. 13
  • an arithmetic processing unit i.e., CPU 1301 executes various processes in accordance with a program stored in a read only memory (ROM) 1302 or a program loaded from a storage portion 1308 to a random access memory (RAM) 1303.
  • ROM read only memory
  • RAM random access memory
  • data required when the CPU 1301 executes various processes and the like is also stored as needed.
  • the CPU 1301, the ROM 1302, and the RAM 1303 are linked to each other via a bus 1304.
  • Input/output interface 1305 is also linked to bus 1304.
  • the following components are linked to an input/output interface 1305: an input portion 1306 (including a keyboard, a mouse, etc.), an output portion 1307 (including a display such as a cathode ray tube (CRT), a liquid crystal display (LCD), etc., and a speaker, etc.)
  • the storage portion 1308 (including a hard disk or the like), the communication portion 1309 (including a network interface card such as a LAN card, a modem, etc.).
  • the communication section 1309 performs communication processing via a network such as the Internet.
  • the driver 1310 can also be linked to the input/output interface 1305 as needed.
  • a removable medium 1311 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory or the like is mounted on the drive 1310 as needed, so that the computer program read therefrom is installed into the storage portion 1308 as needed.
  • a program constituting the software is installed from a network such as the Internet or a storage medium such as the removable medium 1311.
  • such a storage medium is not limited to the removable medium 1311 shown in FIG. 13 in which a program is stored and distributed separately from the device to provide a program to the user.
  • Examples of the detachable medium 1311 include a magnetic disk (including a floppy disk (registered trademark)), an optical disk (including a compact disk read only memory (CD-ROM) and a digital versatile disk (DVD)), and a magneto-optical disk (including a mini disk (MD) (registered trademark) )) and semiconductor memory.
  • the storage medium may be a ROM 1302, a hard disk included in the storage portion 1308, or the like, in which programs are stored, and devices including them are included Distributed to users together.
  • Embodiments of the present invention also relate to a program product for storing a machine readable instruction code.
  • the instruction code is read and executed by a machine, the above-described method according to an embodiment of the present invention can be performed.
  • a storage medium for carrying a program product storing the above-described storage machine readable instruction code is also included in the disclosure of the present invention.
  • the storage medium includes, but is not limited to, a floppy disk, an optical disk, a magneto-optical disk, a memory card, a memory stick, and the like.
  • Embodiments of the present application also relate to the following electronic devices.
  • the electronic device can be implemented as any type of evolved Node B (eNB), such as a macro eNB and a small eNB.
  • the small eNB may be an eNB covering a cell smaller than the macro cell, such as a pico eNB, a micro eNB, and a home (femto) eNB.
  • the electronic device can be implemented as any other type of base station, such as a NodeB and a base transceiver station (BTS).
  • BTS base transceiver station
  • the electronic device can include: a body (also referred to as a base station device) configured to control wireless communication; and one or more remote wireless headends (RRHs) disposed at a different location than the body.
  • a body also referred to as a base station device
  • RRHs remote wireless headends
  • various types of terminals which will be described below, can operate as a base station by performing base station functions temporarily or semi-persistently.
  • the electronic device on the base station side may also be a processing chip instead of the eNB as a whole.
  • the electronic device can be implemented as a mobile terminal (such as a smart phone, a tablet personal computer (PC), a notebook PC, a portable game terminal, a portable/encrypted dog type mobile router, and a digital camera device) or Vehicle terminal (such as car navigation equipment).
  • the electronic device may be a wireless communication module (such as an integrated circuit module including a single or a plurality of wafers) mounted on each of the above terminals.
  • FIG. 14 is a block diagram showing an example of a schematic configuration of a smartphone 2500 to which the technology of the present disclosure can be applied.
  • the smart phone 2500 includes a processor 2501, a memory 2502, a storage device 2503, an external connection interface 2504, an imaging device 2506, a sensor 2507, a microphone 2508, an input device 2509, a display device 2510, a speaker 2511, a wireless communication interface 2512, and one or more An antenna switch 2515, one or more antennas 2516, a bus 2517, a battery 2518, and an auxiliary controller 2519.
  • the processor 2501 may be, for example, a CPU or a system on chip (SoC), and controls the functions of the application layer and the other layers of the smartphone 2500.
  • the memory 2502 includes a RAM and a ROM, and stores data and programs executed by the processor 2501.
  • the storage device 2503 may include a storage medium such as a semiconductor memory and a hard disk.
  • the external connection interface 2504 is an interface for connecting an external device such as a memory card and a universal serial bus (USB) device to the smartphone 2500.
  • USB universal serial bus
  • the camera device 2506 includes an image sensor such as a charge coupled device (CCD) and a complementary gold Is an oxide semiconductor (CMOS)) and generates a captured image.
  • Sensor 2507 can include a set of sensors, such as a measurement sensor, a gyro sensor, a geomagnetic sensor, and an acceleration sensor.
  • the microphone 2508 converts the sound input to the smartphone 2500 into an audio signal.
  • the input device 2509 includes, for example, a touch sensor, a keypad, a keyboard, a button, or a switch configured to detect a touch on the screen of the display device 2510, and receives an operation or information input from a user.
  • the display device 2510 includes screens such as a liquid crystal display (LCD) and an organic light emitting diode (OLED) display, and displays an output image of the smartphone 2500.
  • the speaker 2511 converts the audio signal output from the smartphone 2500 into a sound.
  • the wireless communication interface 2512 supports any cellular communication scheme (such as LTE and LTE-Advanced) and performs wireless communication.
  • Wireless communication interface 2512 may typically include, for example, BB processor 2513 and RF circuitry 2514.
  • the BB processor 2513 can perform, for example, encoding/decoding, modulation/demodulation, and multiplexing/demultiplexing, and performs various types of signal processing for wireless communication.
  • the RF circuit 2514 may include, for example, a mixer, a filter, and an amplifier, and transmits and receives a wireless signal via the antenna 2516.
  • the wireless communication interface 2512 can be a chip module on which the BB processor 2513 and the RF circuit 2514 are integrated. As shown in FIG.
  • the wireless communication interface 2512 can include a plurality of BB processors 2513 and a plurality of RF circuits 2514.
  • FIG. 13 illustrates an example in which the wireless communication interface 2512 includes a plurality of BB processors 2513 and a plurality of RF circuits 2514, the wireless communication interface 2512 may also include a single BB processor 2513 or a single RF circuit 2514.
  • wireless communication interface 2512 can support additional types of wireless communication schemes, such as short-range wireless communication schemes, near field communication schemes, and wireless local area network (LAN) schemes.
  • the wireless communication interface 2512 can include a BB processor 2513 and RF circuitry 2514 for each wireless communication scheme.
  • Each of the antenna switches 2515 switches the connection destination of the antenna 2516 between a plurality of circuits included in the wireless communication interface 2512, such as circuits for different wireless communication schemes.
  • Each of the antennas 2516 includes a single or multiple antenna elements (such as multiple antenna elements included in a MIMO antenna) and is used by the wireless communication interface 2512 to transmit and receive wireless signals.
  • smart phone 2500 can include multiple antennas 2516.
  • FIG. 14 shows an example in which the smartphone 2500 includes a plurality of antennas 2516, the smartphone 2500 may also include a single antenna 2516.
  • smart phone 2500 can include an antenna 2516 for each wireless communication scheme.
  • the antenna switch 2515 can be omitted from the configuration of the smartphone 2500.
  • the bus 2517 will be a processor 2501, a memory 2502, a storage device 2503, and an external connection interface. 2504, the imaging device 2506, the sensor 2507, the microphone 2508, the input device 2509, the display device 2510, the speaker 2511, the wireless communication interface 2512, and the auxiliary controller 2519 are connected to each other.
  • Battery 2518 provides power to various blocks of smart phone 2500 shown in FIG. 14 via feeders, which are partially shown as dashed lines in the figure.
  • the secondary controller 2519 operates the minimum required function of the smartphone 2500, for example, in a sleep mode.
  • the transmitter 320 described with reference to FIG. 3 and the transmitting unit 930 described with reference to FIG. 9 may be implemented by the wireless communication interface 2512.
  • the processor and at least a portion of the functions of the various units described with reference to FIGS. 1 through 3 and 9 may also be implemented by processor 2501 or auxiliary controller 2519.
  • the power consumption of the battery 2518 can be reduced by performing a portion of the functions of the processor 2501 by the auxiliary controller 2519.
  • the processor 2501 or the auxiliary controller 2519 can perform at least a part of the functions of the processor and each unit described with reference to FIGS. 1 through 3 and FIG. 9 by executing a program stored in the memory 2502 or the storage device 2503.
  • FIG. 15 is a block diagram showing an example of a schematic configuration of an eNB to which the technology of the present disclosure can be applied.
  • the eNB 2300 includes one or more antennas 2310 and base station devices 2320.
  • the base station device 2320 and each antenna 2310 may be connected to each other via an RF (Radio Frequency) cable.
  • RF Radio Frequency
  • Each of the antennas 2310 includes a single or multiple antenna elements, such as multiple antenna elements included in a multiple input multiple output (MIMO) antenna, and is used by the base station device 2320 to transmit and receive wireless signals.
  • the eNB 2300 may include a plurality of antennas 2310.
  • multiple antennas 2310 can be compatible with multiple frequency bands used by eNB 2300.
  • FIG. 15 illustrates an example in which the eNB 2300 includes a plurality of antennas 2310, the eNB 2300 may also include a single antenna 2310.
  • the base station device 2320 includes a controller 2321, a memory 2322, a network interface 2323, and a wireless communication interface 2325.
  • the controller 2321 can be, for example, a CPU or a DSP, and operates various functions of higher layers of the base station device 2320. For example, controller 2321 generates data packets based on data in signals processed by wireless communication interface 2325 and delivers the generated packets via network interface 2323. The controller 2321 can bundle data from a plurality of baseband processors to generate bundled packets and deliver the generated bundled packets. The controller 2321 may have a logical function that performs control such as radio resource control, radio bearer control, mobility management, admission control, and scheduling. This control can be performed in conjunction with nearby eNBs or core network nodes.
  • the memory 2322 includes a RAM and a ROM, and stores programs executed by the controller 2321 and various types of control data such as a terminal list, transmission power data, and scheduling data.
  • the network interface 2323 is a communication interface for connecting the base station device 2320 to the core network 2324. Controller 2321 can communicate with a core network node or another eNB via network interface 2323. In this case, the eNB 2300 and the core network node or other eNBs may be connected to each other through a logical interface such as an S1 interface and an X2 interface.
  • the network interface 2323 can also be a wired communication interface or a wireless communication interface for wireless backhaul lines. If the network interface 2323 is a wireless communication interface, the network interface 2323 can use a higher frequency band for wireless communication than the frequency band used by the wireless communication interface 2325.
  • the wireless communication interface 2325 supports any cellular communication schemes, such as Long Term Evolution (LTE) and LTE-Advanced, and provides wireless connectivity to terminals located in cells of the eNB 2300 via the antenna 2310.
  • Wireless communication interface 2325 can typically include, for example, a baseband (BB) processor 2326 and RF circuitry 2327.
  • the BB processor 2326 can perform, for example, encoding/decoding, modulation/demodulation, and multiplexing/demultiplexing, and performs layers (eg, L1, Medium Access Control (MAC), Radio Link Control (RLC), and Packet Data Convergence Protocol (PDCP)) Various types of signal processing.
  • BB processor 2326 may have some or all of the above described logic functions.
  • the BB processor 2326 can be a memory that stores a communication control program, or a module that includes a processor and associated circuitry configured to execute the program.
  • the update program can cause the functionality of the BB processor 2326 to change.
  • the module can be a card or blade that is inserted into the slot of the base station device 2320. Alternatively, the module can also be a chip mounted on a card or blade.
  • the RF circuit 2327 may include, for example, a mixer, a filter, and an amplifier, and transmits and receives a wireless signal via the antenna 2310.
  • the wireless communication interface 2325 can include a plurality of BB processors 2326.
  • multiple BB processors 2326 can be compatible with multiple frequency bands used by eNB 2300.
  • the wireless communication interface 2325 can include a plurality of RF circuits 2327.
  • multiple RF circuits 2327 can be compatible with multiple antenna elements.
  • FIG. 15 illustrates an example in which the wireless communication interface 2325 includes a plurality of BB processors 2326 and a plurality of RF circuits 2327, the wireless communication interface 2325 may also include a single BB processor 2326 or a single RF circuit 2327.
  • the transceiver 720 described with reference to FIG. 7 and the receiving unit 1110 described with reference to FIG. 11 may be implemented by the wireless communication interface 2325.
  • At least a portion of the functions of the processor and the units described with reference to FIGS. 5 through 7 and FIG. 11 may also be implemented by the controller 2321.
  • the controller 2321 can perform at least a part of the functions of the processor and each unit described with reference to FIGS. 5 to 7 and FIG. 11 by executing a program stored in the memory 2322.
  • the method of the present invention is not limited to being performed in the chronological order described in the specification, and may be performed in other chronological order, in parallel, or independently. Therefore, the order of execution of the methods described in the present specification does not limit the technical scope of the present invention.

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Abstract

本公开涉及用于无线通信的电子设备和方法。根据一个实施例，电子设备包括一个或多个处理器，处理器被配置为：确定可用于上行传输的低优先级业务的数据状态；以及基于低优先级业务的数据状态生成用于基站的调度器的调度辅助信息，该调度辅助信息与用户设备在非授权传输资源上的传输有关。

Description

用于无线通信的电子设备和方法
本申请要求于2015年4月17日提交中国专利局、申请号为201510184663.8、发明名称为“用于无线通信的电子设备和方法”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本公开一般涉及无线通信领域，更具体地，涉及用于无线通信的电子设备和方法。
背景技术
随着用户对高速数据传输的需求日益增长，长期演进(LTE)技术无疑是最具竞争力的无线传输技术之一。然而随着数据传输的需求不断增长，增加传输带宽以及提高频谱利用率将是提高系统整体性能的关键。在此背景下，未授权频段的使用被越来越多的运营商所重视，并且考虑将其作为现有LTE授权频段的补充以提高用户的服务质量。因此如何使用未授权频段并与在未授权频段上的其他系统共存是首先需要解决的问题。目前业界普遍达成的共识是未授权频道需要在授权频谱的辅助下使用，通过载波聚合的方式为终端提供服务。
发明内容
终端在有数据要传输时，需要向基站发送调度请求(scheduling request，SR)，用于请求传输资源。在其后，可以发送缓冲区状态报告(buffer status report,BSR)用于告知基站终端侧缓冲区的数据量，以便基站分配合理的传输资源。然而，在涉及未授权频段传输例如授权辅助接入(LAA)场景下，现有技术例如存在如下方面的问题：
(1)LAA对未授权频谱的使用是非常动态的，为了公平性和避免对其他系统的干扰，用户可能被随时中断对该频谱的使用，因此LAA仅适合对通信质量要求不高的业务，而对实时性和高可靠性的业务是不适合的。然而，这些信息没有被包含在现有的SR的设计中。
(2)除了缓冲区状态信息，用于辅助基站给用户分配未授权频谱的资源提供决策的其他辅助信息未被考虑到现有的SR设计中。
(3)根据LAA是否可以独立工作以及是否以载波聚合的方式与授权频谱共同工作，其SR的流程将有不同。
在下文中给出了关于本发明实施例的简要概述，以便提供关于本发明的某些方面的基本理解。应当理解，以下概述并不是关于本发明的穷举性概述。它并不是意图确定本发明的关键或重要部分，也不是意图限定本发明的范围。其目的仅仅是以简化的形式给出某些概念，以此作为稍后论述的更详细描述的前序。
根据一个实施例，一种用于无线通信的电子设备包括一个或多个处理器，处理器被配置为：确定可用于上行传输的低优先级业务的数据状态；以及基于低优先级业务的数据状态生成用于基站的调度器的调度辅助信息，调度辅助信息与用户设备在非授权传输资源上的传输有关。
根据另一个实施例，一种用于无线通信的方法包括：确定可用于上行传输的低优先级业务的数据状态；以及基于低优先级业务的数据状态生成用于基站的调度器的调度辅助信息，调度辅助信息与用户设备在非授权传输资源上的传输有关。
根据又一个实施例，一种用于无线通信的电子设备包括一个或多个处理器，处理器被配置为：基于来自用户设备的有关于低优先级业务的调度辅助信息，对非授权传输资源进行分配；以及生成包含有关于非授权传输资源的调度分配信息以用于用户设备的传输。
根据另一个实施例，一种用于无线通信的方法包括基于来自用户设备的有关于低优先级业务的调度辅助信息对非授权传输资源进行分配的步骤以及生成包含有关于非授权传输资源的调度分配信息以用于用户设备的传输的步骤。
根据又一个实施例，一种用于无线通信系统终端侧的设备包括获取单元、生成单元以及发送单元。获取单元被配置为获取设备的逻辑信道的缓冲区中待发送的低优先级业务的数据量。生成单元被配置为将有关数据量的信息插入到缓冲区状态报告中。发送单元被配置为将缓冲区状态报告发送给基站。
根据另一个实施例，一种由终端侧的设备使用的无线通信方法包括：获 取设备的逻辑信道的缓冲区中待发送的低优先级业务的数据量；将有关数据量的信息插入到缓冲区状态报告中；以及将缓冲区状态报告发送给基站。
根据又一个实施例，一种用于无线通信系统基站侧的设备包括接收单元和调度单元。接收单元被配置为接收缓冲区状态报告，缓冲区状态报告插入有有关要在终端侧设备的逻辑信道上发送的低优先级业务的数据量的信息。调度单元被配置为根据有关数据量的信息为终端侧设备分配上行传输资源。
根据另一个实施例，一种由基站侧的设备使用的无线通信方法包括：接收缓冲区状态报告，缓冲区状态报告插入有有关要在终端侧设备的逻辑信道上发送的低优先级业务的数据量的信息；以及根据有关数据量的信息为终端侧设备分配上行传输资源。
附图说明
本发明可以通过参考下文中结合附图所给出的描述而得到更好的理解，其中在所有附图中使用了相同或相似的附图标记来表示相同或者相似的部件。所述附图连同下面的详细说明一起包含在本说明书中并且形成本说明书的一部分，而且用来进一步举例说明本发明的优选实施例和解释本发明的原理和优点。在附图中：
图1是示出根据本发明一个实施例的用于无线通信的电子设备的配置示例的框图；
图2是示出根据另一个实施例的用于无线通信的电子设备的配置示例的框图；
图3是示出根据又一个实施例的用户设备的配置示例的框图；
图4是示出根据本发明一个实施例的用于无线通信的方法的过程示例的流程图；
图5是示出根据本发明一个实施例的用于无线通信的电子设备的配置示例的框图；
图6是示出根据另一个实施例的用于无线通信的电子设备的配置示例的框图；
图7是示出根据又一个实施例的基站的配置示例的框图；
图8是示出根据本发明一个实施例的用于无线通信的方法的过程示例的 流程图；
图9是示出根据本发明一个实施例的用于无线通信系统终端侧的设备的配置示例的框图；
图10是示出根据本发明一个实施例的由终端侧的设备使用的无线通信方法的过程示例的流程图；
图11是示出根据本发明一个实施例的用于无线通信系统基站侧的设备的配置示例的框图；
图12是示出根据本发明一个实施例的由基站侧的设备使用的无线通信方法的过程示例的流程图；
图13是示出实现本公开的方法和设备的计算机的示例性结构的框图；
图14是示出可以应用本公开内容的技术的智能电话的示意性配置的示例的框图；
图15是示出可以应用本公开内容的技术的eNB(演进型基站)的示意性配置的示例的框图；
图16示出了根据现有技术的媒体接入控制分组数据单元的结构；
图17示出了与本发明实施例对应的媒体接入控制分组数据单元的示例结构；
图18示出了根据现有技术的用于上行共享信道的逻辑信道标识符的表格；
图19示出了与本发明实施例对应的逻辑信道标识符的表格的示例；
图20示出了根据一个具体实施例的在LAA场景下的调度请求发送流程的示例；以及
图21示出了根据另一个具体实施例的在LAA场景下的调度请求发送流程的另一示例。
具体实施方式
下面将参照附图来说明本发明的实施例。在本发明的一个附图或一种实施方式中描述的元素和特征可以与一个或更多个其它附图或实施方式中示出的元素和特征相结合。应当注意，为了清楚的目的，附图和说明中省略了 与本发明无关的、本领域普通技术人员已知的部件和处理的表示和描述。
如图1所示，根据本发明一个实施例的用于无线通信的电子设备100包括一个或多个处理器110，处理器110被配置为：确定可用于上行传输的低优先级业务(traffic)的数据状态；以及基于低优先级业务的数据状态生成用于基站的调度器的调度辅助信息，该调度辅助信息与用户设备在非授权传输资源上的传输有关。
需要指出，为了说明的目的，图1中用虚线框示出了处理器110包括确定单元111和生成单元113，其中，确定单元111可以对应于确定可用于上行传输的低优先级业务的数据状态的功能，生成单元113可以对应于基于低优先级业务的数据状态生成用于基站的调度器的调度辅助信息的功能。然而应理解，确定单元111和生成单元113的功能也可以由处理器110作为一个整体来实现，而并不一定是通过处理器110中分立的实际部件来实现。另外，虽然图中以单独的框示出了处理器110，然而电子设备100可以包括多个处理器，并且可以将与确定单元111和生成单元113相对应的功能分布到多个处理器中，从而由多个处理器协同操作来执行这些功能。这同样适用于后面结合类似框图说明的其他实施例。
继续参照图1，低优先级业务例如包括对通信质量要求(QoS)较低的业务，例如，低QoS业务可以包括延迟容限高的业务、误码率容限高的业务、涉及非核心内容的业务例如广告数据等。在一个具体的示例中，电子设备100确定待传输数据的无线承载(radio bearer)的QoS信息(例如QCI，ARP，GBR以及AMBR等参数)，并根据QoS信息与预定的低QoS的参数对应关系(例如QCI所指示的QoS等级是否落入低QoS等级范围)判断待传输的业务中哪些为低优先级业务，例如无线网络运营商可以根据需要自行配置其网络中的预定的低QoS的参数。可以理解，在不同的通信系统中，对于业务优先级的评价可能基于不同的服务质量要求参数，上述仅给出LTE通信系统中的情况作为示例。
另外，调度辅助信息例如可以包括授权辅助接入调度请求(LAA-SR)本身、缓冲区状态报告(buffer status report,BSR)、用户设备的地理位置、未授权传输资源上的候选信道空闲情况、未授权传输资源上的候选信道的信道质量等。
基站中的调度器为其服务的用户设备确定可用于传输的上行资源，例如确定哪些用户设备可以获得上行资源以及哪些上行时频资源，例如在LTE 系统中的传输层例如上行共享信道(UL-SCH)上的可用资源块(resource blocks)或者具体的成分载波。此外，基站还可控制用户设备的传输格式选择(传输块的大小选择、调制方案以及天线映射等)。本发明的调度器例如是基于逐个用户设备来进行调度的。在现有的通信协议中，调度器通常基于用户设备笼统的调度请求(SR)以及/或者缓冲区状态报告来完全自主进行上行资源调度，例如调度哪些成分载波，用户设备并不会对具体资源提出建议或要求乃至提供相关的信息。
为了实现LAA下的上行传输资源请求，本发明的一个示例方案提供了针对LAA资源的调度请求LAA-SR。如后面会结合具体示例过程说明的，根据LAA小区是否存在上行传输资源，LAA-SR的传输对象略有不同：如果LAA小区与请求的用户设备不存在上行传输(例如LAA频段上没有用于传输LAA-SR的资源)，则LAA-SR的传输对象为主小区(主分量载波(PCC)所对应的小区，其例如可以是授权频段的宏小区或小小区)；如果LAA小区与请求的用户设备存在上行传输(例如LAA频段上有用于传输LAA-SR的资源)，则LAA-SR的传输对象为LAA小区。在本发明的一个示例中，LAA-SR与普通的SR具有相同的信令结构，例如均由PUCCH所承载而向主小区发送，而通过在LAA-SR之后紧接着发送BSR的方式明确该SR为LAA-SR，从而基站在获取此SR以及BSR并进行资源调度时，优先为相应的用户设备调度未授权频段例如激活、调度LAA成分载波。在本发明的另一个示例中，基站为用户设备预先配置了专用的LAA-SR资源(例如通过RRC信令中的SchedulingRequestConfig配置)，则基站在相应的资源上接收到的SR则认为是针对未授权资源的调度请求。在本发明的又一个示例中，基站在LAA频段上接收到的SR均认为是针对LAA频段的资源调度请求。借此，用户设备可以主动建议所需的具体资源类型。
SR仅仅表示终端有上行数据需要传输，而需要分配多少资源则需要根据例如BSR中的缓冲区数据量决定。现有标准规定的BSR是将对应于同一个逻辑信道组(logical channel group)内所有逻辑信道的数据总量进行上报。如前所述，LAA的使用是非常动态的，因此其更适用于非实时业务(低QoS业务)。而这类信息并没有包含在现有的BSR设计中。
根据一个实施例，由处理器110(确定单元111)确定的低优先级业务的数据状态可以包括缓冲区中可用于上行传输的低优先级业务的数据量。并且，在辅助信息包括BSR的情况下，处理器110(生成单元113)可以将针对所确定的低优先级业务的数据量的指示信息包含于BSR中以用于基站的 调度器。与现有方案中包含于BSR中的数据量的指示信息不同，根据本实施例的指示信息可以只包括关于低优先级业务的缓冲区大小的信息而不包括关于高优先级的业务的缓冲区大小的信息。
另外，处理器110(生成单元113)还可以将低优先级业务所属的逻辑信道以及/或者逻辑信道组的标识信息包含于BSR中，其中逻辑信道例如包含专用业务信道(DTCH)。
对于LAA资源调度而言，最重要的是业务信道中对应的低优先级数据的数量。因此本实施例提供一种BSR，其反映的是相应逻辑信道例如专用业务信道DTCH中低QoS(可对应于其信道配置中优先级较低)的数据量。例如，该BSR格式为：
Figure PCTCN2016079383-appb-000001
子逻辑信道ID(sub-LCID)(其长度例如2比特)表示该BSR所对应的逻辑信道。因为未授权频段的通信资源并不稳定，所以通常用于传输业务数据，因而可以设计仅针对例如DTCH的BSR从而降低BSR的复杂度。在这种情况下，可以不设sub-LCID。另一方面，也可以保留sub-LCID，保留的好处是可以保持和现有的BSR媒体接入控制控制元素(MAC CE)结构一致。然而，本发明不限于此，例如BSR可以针对其他需要的逻辑信道，例如公共控制信道(CCCH)、专用控制信道(DCCH)等控制信道，或者随着标准演变或者LTE-A以外的通信标准中的其他业务信道。
在另一个示例中，上述子逻辑信道ID可以替代为现有技术中的逻辑信道组ID(LCG ID)，而MAC CE承载的是整个LCG ID对应的逻辑信道组的低优先级业务的缓冲区大小信息而不再限于具体的逻辑信道。例如，该BSR格式为：
Figure PCTCN2016079383-appb-000002
在上述示例BSR格式中，用6比特指示缓冲区大小，其与现有标准相同。然而，本发明不限于此，可以根据需要采用于此不同的数据长度指示缓冲区大小。
此外，根据一个实施例，处理器110(生成单元113)还可以将关于低优 先级业务的BSR包含于MAC CE中，以及生成对应于该MAC CE的MAC协议数据单元子头，该子头可以包含指示该MAC CE是有关于低优先级业务的BSR的类型信息。
更具体地，该类型信息可以由子头中的逻辑信道标识所指示，并且相应逻辑信道标识的索引取值为二进制值01011到11000中之一。
需注意，在一些示例中可以复用现有的用于BSR的MAC协议数据单元子头。例如通过BSR与SR的传输关系判断该MAC CE是有关于低优先级业务的BSR，例如在BSR紧接着SR发送的情况下可确定该BSR有关于低优先级业务。又例如，通过MAC CE的载荷来承载该MAC CE是否是有关于低优先级业务的BSR的类型信息。具体地，低优先级业务的缓冲区大小一般比传统的所有业务的缓冲区大小要小，因此可设计仅使用例如5比特来指示缓冲区大小而用1比特专门指示该BSR是否是用于LAA的低优先级业务BSR。
例如，该BSR格式为：
Figure PCTCN2016079383-appb-000003
另外，根据一个可选方案，UE可以不发送SR而直接发送BSR，基站例如通过MAC分组数据单元(PDU)子头或上述的1bit指示位就可以确定BSR是有关于低优先级业务的，而BSR的发送已经隐含了需要调度资源的请求，因此，基站可以直接基于BSR进行资源调度。
接下来，首先参照图16说明根据现有标准的MAC消息(MAC PDU)的结构。如图16所示，MAC消息包括MAC头和MAC有效载荷。其中，如虚线指示的，MAC头包括多个子头，MAC有效载荷包括MAC CE/MAC服务数据单元(SDU)/填充。MAC头的每个子头指示相应位置的有效载荷(如图中箭头依序指示的)。
图17示出了与一个示例实施方式对应的MAC消息的示例结构。LAA BSR的MAC CE对应的子头的结构为包括四个域的R/R/E/LCID(E:是否有多个域，如是否有下一组R/R/E/LCID；R:保留)。其中，主要靠LCID(传统的)来确定是否为LAA BSR的子头(LCID可以指示MAC CE的类型)，比如，本发明中LAA BSR的MAC子头中的LCID取值为二进制值01011-11000当中之一(例如01011，其为UE和BS的共识)，由于01011-11000是LCID的保留位，因此可以不对标准造成改动并容易的实现对LAA BSR 的指示。另外，如图17中的箭头所示，MAC头的子头指示相应位置的有效载荷。
相应地，图18的和图19分别示出了根据现有标准的用于上行共享信道的LCID值列表以及与本发明上述示例实施方式对应的LCID值列表。通过对比可以看出，在本示例实施方式中，将现有标准中的预留位中的01011用于指示MAC CE是关于LAA BSR，用01100指示MAC CE是关于频道可用性。然而，相应逻辑信道标识的索引取值也可以为二进制值01011到11000中的其他值。
另外，对于上述BSR的发送时机，有以下几个触发条件：
(1)在LAA-SR发送之后就发送此BSR；
(2)当DTCH中存在低QoS的准备进行发送的数据时，就进行发送；
(3)当一个定时发送BSR的定时器过期时，发送该BSR。这个定时器可以重用现有标准里的定时器，也可以重新定义。
另外，此BSR的发送可以以短BSR或截断BSR甚至长BSR的形式发送。
除了BSR的信息之外，在LAA-SR之后还可以发送其他的辅助信息，以便为其后的LAA资源分配提供决策依据。这些信息例如可以包括：终端的地理位置信息，未授权的例如5G频段上各候选频道空闲情况(终端需要进行探测，具体探测方法可以根据现有技术)等。其中，可以定义新的MAC CE来发送终端的地理位置信息。
5G频段上各候选频道空闲情况的CE的格式例如可以是
频道ID(5比特) 是否可用(1比特) 保留(2比特)
前面5比特标识所监测的未授权频段的频道ID，之后的1比特标识该信道是否可用，之后的2比特保留，用于增加其他的信息，如信道质量等信息。
又例如，可以预先将未授权频段划分为不大于8个的未授权频道，例如每个频道对应于预设的频率范围，并为各个候选频道设置排列顺序(UE与基站具有共识)，而不需要专门指示频道ID，这样，指示各候选频道空闲情况的CE的格式例如可以是
Figure PCTCN2016079383-appb-000004
Figure PCTCN2016079383-appb-000005
从而基站侧可以根据指示频道可用性的MAC CE来判断未授权频段上的各个候选频道的空闲状况，并从空闲的频道对应的传输资源中进行资源调度。
与LAA BSR MAC CE的子头相似地，此CE的子头的结构为包括四个域的R/R/E/LCID，其中LCID取值可以为01011-11000当中之一(需和LAA BSR MACCE的LCID取值不同)。
虽然在上述示例实施方式中描述了MAC PDU中包括LAA BSR的情况，然而在本发明的一个示例里，UE生成的一个MAC PDU可以同时包含传统的BSR和LAA BSR。相应地，基站可以根据传统BSR和LAA BSR综合确定资源调度方案。
接下来，参照图2说明根据另一个实施例的用于无线通信的电子设备的配置示例。
如图2所示，电子设备200包括一个或多个处理器210，处理器210除了被配置为执行与前面参照图1说明的功能(即，确定单元211和生成单元213类似于确定单元111和生成单元113)之外，还被配置为基于基站的调度器的调度分配信息(Scheduling assignment information)将低优先级业务的数据映射至相应的非授权传输资源上以向基站传输。
其中，非授权传输资源例如包括无线网络(wifi)频段、电视(TV)频段上的传输资源。更具体地，可以根据调度分配信息将数据映射至PUSCH(物理上行共享信道)资源(例如，具体的信道)、成分载波、时频资源块、频段及有效时间段等。
此外，根据一个实施例的用于无线通信的电子设备可以是用户设备本身。如图3所示，根据本实施例的用户设备300包括一个或多个处理器310以及发射机320。
处理器310除了被配置为执行与前面参照图1说明的功能(即，确定单元311和生成单元313类似于确定单元111和生成单元113)之外，还被配置为基于用户设备到基站的传输资源的可用性选择用于传输调度辅助信息的传输资源(选择单元315)。例如，可以从授权频段和非授权频段中选择该传输资源，或者可以从物理上行控制信道(PUCCH)、物理上行共享信道 (PUSCH)和随机接入信道(RACH)中选择该传输资源。具体地，例如在用户设备已被分配有数据传输资源例如PUSCH资源的情况下，优选选择通过数据传输资源携带调度辅助信息例如关于LAA的BSR；例如用户设备仅被配置有控制信息传输资源例如PUCCH资源的情况下，可以确定通过控制信息传输资源携带例如LAA-SR的调度辅助信息；在用户设备既未获得数据传输资源也未配置有控制信息传输资源的情况下，确定通过随机接入来获得基站对上行传输的授权和资源，例如通过RACH发送关于LAA的调度辅助信息。
发射机320被配置为通过所选择的传输资源发送调度辅助信息。
在上文对实施方式中的用于无线通信的电子设备的描述过程中，显然还公开了一些处理或方法。下文中，在不重复上文中已经讨论过的某些细节的情况下给出对根据本发明的一个实施例的用于无线通信的方法的概述。
如图4所示，根据本实施例的方法包括确定可用于上行传输的低优先级业务的数据状态的步骤(S410)，以及基于低优先级业务的数据状态生成用于基站的调度器的调度辅助信息的步骤(S420)，其中调度辅助信息与用户设备在非授权传输资源上的传输有关。
前面说明的实施例用于用户设备侧生成提供给基站的调度辅助信息。另外，本发明的实施例还包括用于基站侧的设备和方法。基站侧进行的下行数据处理中的某些细节可以与用户设备侧的细节类似或相对应，因此在下面对基站侧的设备和方法的实施例的描述中，省略了上文中已经讨论过的某些细节，应理解，这些具体细节同样可以适用于基站侧进行的处理。
如图5所示，根据一个实施例的用于无线通信的电子设备500包括一个或多个处理器510。
处理器510被配置为基于来自用户设备的有关于低优先级业务的调度辅助信息，对非授权传输资源进行分配(分配单元511)。处理器510还被配置为生成包含有关于非授权传输资源的调度分配信息以用于用户设备的传输(生成单元513)。
更具体地，调度辅助信息可以包括BSR，处理器510可以读取该BSR，确定用户设备缓冲区中可用于上行传输的低优先级业务的数据量，并且根据数据量对非授权传输资源进行分配。
图6示出了根据另一个实施例的用于无线通信的电子设备。电子设备600 包括一个或多个处理器610。
处理器610除了被配置为执行与前面参照图5说明的功能(即，分配单元611和生成单元613类似于分配单元511和生成单元513)之外，还被配置为：获取来自用户设备的MAC协议数据单元，根据MAC协议数据单元的子头确定该MAC协议数据单元中包含有关于低优先级业务的BSR的MAC控制元素以读取该BSR(获取单元615)。其中，该子头可以包含指示MAC控制元素是有关于低优先级业务的BSR的类型信息。
具体地，获取单元615例如可以基于前面参照图17和图19说明的示例方式来读取BSR。
根据一个实施例，用于无线通信的电子设备是基站。如图7所示，基站700包括一个或多个处理器710以及接收机720。
处理器710可以被配置为执行与前面参照图5说明的功能类似的功能(即，分配单元711和生成单元713分别类似于分配单元511和生成单元513)。
接收机720被配置为从用户设备或者服务于该用户设备的另一基站接收调度辅助信息。
如前所述，如果LAA小区存在上行传输，则用户设备的LAA-SR可以表示对LAA小区的相应上行传输资源的请求。在这种情况下，接收机720可以从用户设备接收调度辅助信息。另一方面，如果LAA小区不存在上行传输，则用户设备的LAA-SR的传输对象是主小区。在这种情况下，接收机720可以从服务于用户设备的另一基站接收调度辅助信息。在载波聚合场景下，所述的主小区例如是Pcell，在双连接的场景下，主小区例如是Pcell或者PScell。
接下来，参照图20和图21对上述两种情况下的传输过程示例进行说明。
如图20所示，在LAA小区支持上行传输的情况下：
当UE侧需要请求LAA的上行传输资源时，在ST2001，UE通过LAA的上行资源发送SR。
UE侧根据当前是否有用于此SR传输的PUCCH资源或者是否已经达到SR的上限，决定是直接通过PUCCH传输该SR还是发起新的RACH流程(如果需要则进行ST2003)。
随后，在ST2005，LAA基站对UE进行用于BSR的上行授权。
接下来，在ST2007，UE发送标识DTCH中低QoS业务的BSR，并且在ST2009发送其他的辅助信息如地理位置信息等。
LAA基站侧收到这些信息后，根据LAA资源的占用情况、UE的低优先级例如非实时业务量的大小以及由地理位置等信息得到的干扰情况等决定是否给该UE分配LAA资源。如果决定分配传输资源，则可以通过主小区或者LAA小区将资源分配信息通知UE(ST2011)。如图21所示，在LAA小区不支持上行传输的情况下：
在ST2101-ST2107，UE侧通过主小区的上行资源发送LAA-SR、BSR以及其他的辅助信息给主小区的基站。
主小区基站收到这些信息后，如果LAA基站与主小区基站位于不同的物理位置(例如有独立的调度器)，则需要生成包含该UE的调度辅助信息例如LAA BSR的X2信令并通过X2信令将这些信息传递给LAA基站(ST2109)。
LAA基站进行资源分配的决策后，可以有两种方式通知给UE。
方法1：将资源分配的决策通过X2信令通知给主小区基站(如果LAA基站与主小区基站位于不同的物理位置)(ST2111)，之后通过主小区的下行控制信道通知UE(ST2113)。
方法2：通过LAA的下行控制信道直接通知UE(ST2115)。
接下来，在不重复上文中已经讨论过的某些细节的情况下给出对根据本发明的一个实施例的用于基站侧的无线通信方法的概述。
如图8所示，根据本实施例的用于无线通信的方法包括基于来自用户设备的有关于低优先级业务的调度辅助信息对非授权传输资源进行分配的步骤(S810)，以及生成包含有关于非授权传输资源的调度分配信息以用于用户设备的传输的步骤(S820)。
接下来，参照图9至图12说明根据本发明实施例的用于无线通信系统终端侧的设备和方法以及用于无线通信系统基站侧的设备和方法。需要指出，在前面说明的实施例中的某些具体细节也可以适用于下述实施方式。
如图9所示，根据一个实施例的用于无线通信系统终端侧的设备900包括获取单元910、生成单元920和发送单元930。各单元的功能可以由处理器来实现，而并不一定是通过分立的实际部件来实现。另外，可以将各单元相的功能分布到多个处理器中，从而由多个处理器协同操作来实现。设备900 可以用于利用未授权频段的无线通信中。
获取单元910被配置为获取设备900的逻辑信道的缓冲区中待发送的低优先级业务的数据量。其中，逻辑信道可以是专用业务信道
生成单元920被配置为将有关该数据量的信息插入到BSR中。
发送单元930被配置为将该BSR发送给基站。
根据一个实施例，生成单元920还被配置为将标志逻辑信道的信息插入到BSR中。
更具体地，生成单元920可以被配置为在承载BSR的媒体接入控制分组数据单元(MAC PDU)的相应子头中指示该BSR。例如，可以利用子头中的逻辑信道标识符(LCID)字段来指示该BSR。
另外，生成单元920可以被配置为被配置为在承载BSR的MAC PDU的控制元素(CE)中增加特定比特的字段，以指示该BSR。
此外，生成单元920可以被配置为将关于低优先级业务的BSR包含于MAC CE中，以及生成对应于该MAC CE的MAC协议数据单元子头，该子头包含指示该MAC控制元素是有关于低优先级业务的BSR的类型信息。
发送单元930可以在预定触发条件(如前面描述过的若干触发条件之一)来触发对BSR的发送。此外，发送单元930还可以发送其他信息，例如设备的地理位置信息和未授权频段上的候选信道空闲情况等。
如图10所示，根据一个实施例的由终端侧的设备使用的无线通信方法，包括获取设备的逻辑信道的缓冲区中待发送的低优先级业务的数据量的步骤(S1010)，将有关数据量的信息插入到BSR中的步骤(S1020)，以及将BSR发送给基站的步骤(S1030)。
如图11所示，根据一个实施例的用于无线通信系统基站侧的设备1100包括接收单元1110和调度单元1120。
接收单元1110被配置为接收BSR，该BSR插入有有关要在终端侧设备的逻辑信道上发送的低优先级业务的数据量的信息。此外，接收单元1110还可以被配置为接收其它信息，例如终端侧设备的地理位置信息和未授权频段上的候选信道空闲情况等。
调度单元1120被配置为根据有关数据量的信息为终端侧设备分配上行传输资源。调度单元1120例如可以响应于BSR的接收为终端侧设备分配未 授权频段上的上行传输资源。此外，在接收单元1110接收了其它信息的情况下，调度单元1120可以使用其它信息来进行分配。
如图12所示，根据一个实施例的由基站侧的设备使用的无线通信方法包括接收BSR的步骤(S1210)，BSR插入有有关要在终端侧设备的逻辑信道上发送的低优先级业务的数据量的信息。该方法还包括根据有关数据量的信息为终端侧设备分配上行传输资源的步骤(S1220)。
作为示例，上述方法的各个步骤以及上述装置的各个组成模块和/或单元可以实施为软件、固件、硬件或其组合。在通过软件或固件实现的情况下，可以从存储介质或网络向具有专用硬件结构的计算机(例如图13所示的通用计算机1300)安装构成用于实施上述方法的软件的程序，该计算机在安装有各种程序时，能够执行各种功能等。
在图13中，运算处理单元(即CPU)1301根据只读存储器(ROM)1302中存储的程序或从存储部分1308加载到随机存取存储器(RAM)1303的程序执行各种处理。在RAM 1303中，也根据需要存储当CPU 1301执行各种处理等等时所需的数据。CPU 1301、ROM 1302和RAM 1303经由总线1304彼此链路。输入/输出接口1305也链路到总线1304。
下述部件链路到输入/输出接口1305：输入部分1306(包括键盘、鼠标等等)、输出部分1307(包括显示器，比如阴极射线管(CRT)、液晶显示器(LCD)等，和扬声器等)、存储部分1308(包括硬盘等)、通信部分1309(包括网络接口卡比如LAN卡、调制解调器等)。通信部分1309经由网络比如因特网执行通信处理。根据需要，驱动器1310也可链路到输入/输出接口1305。可拆卸介质1311比如磁盘、光盘、磁光盘、半导体存储器等等根据需要被安装在驱动器1310上，使得从中读出的计算机程序根据需要被安装到存储部分1308中。
在通过软件实现上述系列处理的情况下，从网络比如因特网或存储介质比如可拆卸介质1311安装构成软件的程序。
本领域的技术人员应当理解，这种存储介质不局限于图13所示的其中存储有程序、与设备相分离地分发以向用户提供程序的可拆卸介质1311。可拆卸介质1311的例子包含磁盘(包含软盘(注册商标))、光盘(包含光盘只读存储器(CD-ROM)和数字通用盘(DVD))、磁光盘(包含迷你盘(MD)(注册商标))和半导体存储器。或者，存储介质可以是ROM 1302、存储部分1308中包含的硬盘等等，其中存有程序，并且与包含它们的设备 一起被分发给用户。
本发明的实施例还涉及一种存储有机器可读取的指令代码的程序产品。所述指令代码由机器读取并执行时，可执行上述根据本发明实施例的方法。
相应地，用于承载上述存储有机器可读取的指令代码的程序产品的存储介质也包括在本发明的公开中。所述存储介质包括但不限于软盘、光盘、磁光盘、存储卡、存储棒等等。
本申请的实施例还涉及以下电子设备。在电子设备用于基站侧的情况下，电子设备可以被实现为任何类型的演进型节点B(eNB)，诸如宏eNB和小eNB。小eNB可以为覆盖比宏小区小的小区的eNB，诸如微微eNB、微eNB和家庭(毫微微)eNB。代替地，电子设备可以被实现为任何其他类型的基站，诸如NodeB和基站收发台(BTS)。电子设备可以包括：被配置为控制无线通信的主体(也称为基站设备)；以及设置在与主体不同的地方的一个或多个远程无线头端(RRH)。另外，下面将描述的各种类型的终端均可以通过暂时地或半持久性地执行基站功能而作为基站工作。另外，基站侧的电子设备也可以是处理芯片而非eNB整体。
电子设备用于用户设备侧的情况下，可以被实现为移动终端(诸如智能电话、平板个人计算机(PC)、笔记本式PC、便携式游戏终端、便携式/加密狗型移动路由器和数字摄像装置)或者车载终端(诸如汽车导航设备)。此外，电子设备可以为安装在上述终端中的每个终端上的无线通信模块(诸如包括单个或多个晶片的集成电路模块)。
[关于终端设备的应用示例]
图14是示出可以应用本公开内容的技术的智能电话2500的示意性配置的示例的框图。智能电话2500包括处理器2501、存储器2502、存储装置2503、外部连接接口2504、摄像装置2506、传感器2507、麦克风2508、输入装置2509、显示装置2510、扬声器2511、无线通信接口2512、一个或多个天线开关2515、一个或多个天线2516、总线2517、电池2518以及辅助控制器2519。
处理器2501可以为例如CPU或片上系统(SoC)，并且控制智能电话2500的应用层和另外层的功能。存储器2502包括RAM和ROM，并且存储数据和由处理器2501执行的程序。存储装置2503可以包括存储介质，诸如半导体存储器和硬盘。外部连接接口2504为用于将外部装置(诸如存储卡和通用串行总线(USB)装置)连接至智能电话2500的接口。
摄像装置2506包括图像传感器(诸如电荷耦合器件(CCD)和互补金 属氧化物半导体(CMOS))，并且生成捕获图像。传感器2507可以包括一组传感器，诸如测量传感器、陀螺仪传感器、地磁传感器和加速度传感器。麦克风2508将输入到智能电话2500的声音转换为音频信号。输入装置2509包括例如被配置为检测显示装置2510的屏幕上的触摸的触摸传感器、小键盘、键盘、按钮或开关，并且接收从用户输入的操作或信息。显示装置2510包括屏幕(诸如液晶显示器(LCD)和有机发光二极管(OLED)显示器)，并且显示智能电话2500的输出图像。扬声器2511将从智能电话2500输出的音频信号转换为声音。
无线通信接口2512支持任何蜂窝通信方案(诸如LTE和LTE-先进)，并且执行无线通信。无线通信接口2512通常可以包括例如BB处理器2513和RF电路2514。BB处理器2513可以执行例如编码/解码、调制/解调以及复用/解复用，并且执行用于无线通信的各种类型的信号处理。同时，RF电路2514可以包括例如混频器、滤波器和放大器，并且经由天线2516来传送和接收无线信号。无线通信接口2512可以为其上集成有BB处理器2513和RF电路2514的一个芯片模块。如图14所示，无线通信接口2512可以包括多个BB处理器2513和多个RF电路2514。虽然图13示出其中无线通信接口2512包括多个BB处理器2513和多个RF电路2514的示例，但是无线通信接口2512也可以包括单个BB处理器2513或单个RF电路2514。
此外，除了蜂窝通信方案之外，无线通信接口2512可以支持另外类型的无线通信方案，诸如短距离无线通信方案、近场通信方案和无线局域网(LAN)方案。在此情况下，无线通信接口2512可以包括针对每种无线通信方案的BB处理器2513和RF电路2514。
天线开关2515中的每一个在包括在无线通信接口2512中的多个电路(例如用于不同的无线通信方案的电路)之间切换天线2516的连接目的地。
天线2516中的每一个均包括单个或多个天线元件(诸如包括在MIMO天线中的多个天线元件)，并且用于无线通信接口2512传送和接收无线信号。如图14所示，智能电话2500可以包括多个天线2516。虽然图14示出其中智能电话2500包括多个天线2516的示例，但是智能电话2500也可以包括单个天线2516。
此外，智能电话2500可以包括针对每种无线通信方案的天线2516。在此情况下，天线开关2515可以从智能电话2500的配置中省略。
总线2517将处理器2501、存储器2502、存储装置2503、外部连接接口 2504、摄像装置2506、传感器2507、麦克风2508、输入装置2509、显示装置2510、扬声器2511、无线通信接口2512以及辅助控制器2519彼此连接。电池2518经由馈线向图14所示的智能电话2500的各个块提供电力，馈线在图中被部分地示为虚线。辅助控制器2519例如在睡眠模式下操作智能电话2500的最小必需功能。
在图14所示的智能电话2500中，参照图3描述的发射机320以及参照图9描述的发送单元930可以由无线通信接口2512实现。参照图1至图3以及图9描述的处理器以及各单元的功能的至少一部分也可以由处理器2501或辅助控制器2519实现。例如，可以通过由辅助控制器2519执行处理器2501的部分功能而减少电池2518的电力消耗。此外，处理器2501或辅助控制器2519可以通过执行存储器2502或存储装置2503中存储的程序而执行参照图1至图3以及图9描述的处理器和各单元的功能的至少一部分。
[关于基站的应用示例]
图15是示出可以应用本公开内容的技术的eNB的示意性配置的示例的框图。eNB 2300包括一个或多个天线2310以及基站设备2320。基站设备2320和每个天线2310可以经由RF(射频)线缆彼此连接。
天线2310中的每一个均包括单个或多个天线元件(诸如包括在多输入多输出(MIMO)天线中的多个天线元件)，并且用于基站设备2320发送和接收无线信号。如图15所示，eNB 2300可以包括多个天线2310。例如，多个天线2310可以与eNB 2300使用的多个频带兼容。虽然图15示出其中eNB2300包括多个天线2310的示例，但是eNB 2300也可以包括单个天线2310。
基站设备2320包括控制器2321、存储器2322、网络接口2323以及无线通信接口2325。
控制器2321可以为例如CPU或DSP，并且操作基站设备2320的较高层的各种功能。例如，控制器2321根据由无线通信接口2325处理的信号中的数据来生成数据分组，并经由网络接口2323来传递所生成的分组。控制器2321可以对来自多个基带处理器的数据进行捆绑以生成捆绑分组，并传递所生成的捆绑分组。控制器2321可以具有执行如下控制的逻辑功能：该控制诸如为无线资源控制、无线承载控制、移动性管理、接纳控制和调度。该控制可以结合附近的eNB或核心网节点来执行。存储器2322包括RAM和ROM，并且存储由控制器2321执行的程序和各种类型的控制数据(诸如终端列表、传输功率数据以及调度数据)。
网络接口2323为用于将基站设备2320连接至核心网2324的通信接口。控制器2321可以经由网络接口2323而与核心网节点或另外的eNB进行通信。在此情况下，eNB 2300与核心网节点或其他eNB可以通过逻辑接口(诸如S1接口和X2接口)而彼此连接。网络接口2323还可以为有线通信接口或用于无线回程线路的无线通信接口。如果网络接口2323为无线通信接口，则与由无线通信接口2325使用的频带相比，网络接口2323可以使用较高频带用于无线通信。
无线通信接口2325支持任何蜂窝通信方案(诸如长期演进(LTE)和LTE-先进)，并且经由天线2310来提供到位于eNB 2300的小区中的终端的无线连接。无线通信接口2325通常可以包括例如基带(BB)处理器2326和RF电路2327。BB处理器2326可以执行例如编码/解码、调制/解调以及复用/解复用，并且执行层(例如L1、介质访问控制(MAC)、无线链路控制(RLC)和分组数据汇聚协议(PDCP))的各种类型的信号处理。代替控制器2321，BB处理器2326可以具有上述逻辑功能的一部分或全部。BB处理器2326可以为存储通信控制程序的存储器，或者为包括被配置为执行程序的处理器和相关电路的模块。更新程序可以使BB处理器2326的功能改变。该模块可以为插入到基站设备2320的槽中的卡或刀片。可替代地，该模块也可以为安装在卡或刀片上的芯片。同时，RF电路2327可以包括例如混频器、滤波器和放大器，并且经由天线2310来传送和接收无线信号。
如图15所示，无线通信接口2325可以包括多个BB处理器2326。例如，多个BB处理器2326可以与eNB 2300使用的多个频带兼容。如图15所示，无线通信接口2325可以包括多个RF电路2327。例如，多个RF电路2327可以与多个天线元件兼容。虽然图15示出其中无线通信接口2325包括多个BB处理器2326和多个RF电路2327的示例，但是无线通信接口2325也可以包括单个BB处理器2326或单个RF电路2327。
在图15所示的eNB 2300中，参照图7描述的收发机720和参照图11描述的接收单元1110可以由无线通信接口2325实现。参照图5至图7以及图11描述的处理器和各单元的功能的至少一部分也可以由控制器2321实现。例如，控制器2321可以通过执行存储在存储器2322中的程序而执行参照图5至图7以及图11描述的处理器和各单元的功能的至少一部分。
在上面对本发明具体实施例的描述中，针对一种实施方式描述和/或示出的特征可以用相同或类似的方式在一个或更多个其它实施方式中使用，与其它实施方式中的特征相组合，或替代其它实施方式中的特征。
应该强调，术语“包括/包含”在本文使用时指特征、要素、步骤或组件的存在，但并不排除一个或更多个其它特征、要素、步骤或组件的存在或附加。
在上述实施例和示例中，采用了数字组成的附图标记来表示各个步骤和/或单元。本领域的普通技术人员应理解，这些附图标记只是为了便于叙述和绘图，而并非表示其顺序或任何其他限定。
此外，本发明的方法不限于按照说明书中描述的时间顺序来执行，也可以按照其他的时间顺序地、并行地或独立地执行。因此，本说明书中描述的方法的执行顺序不对本发明的技术范围构成限制。
尽管上面已经通过对本发明的具体实施例的描述对本发明进行了披露，但是，应该理解，上述的所有实施例和示例均是示例性的，而非限制性的。本领域的技术人员可在所附权利要求的精神和范围内设计对本发明的各种修改、改进或者等同物。这些修改、改进或者等同物也应当被认为包括在本发明的保护范围内。

Claims (31)

  1. 一种用于无线通信的电子设备，包括：
    一个或多个处理器，被配置为
    确定可用于上行传输的低优先级业务的数据状态；以及
    基于所述低优先级业务的数据状态，生成用于基站的调度器的调度辅助信息，所述调度辅助信息与用户设备在非授权传输资源上的传输有关。
  2. 根据权利要求1所述的电子设备，其中，所述调度辅助信息包括缓冲区状态报告，所述一个或多个处理器被配置为确定缓冲区中可用于上行传输的低优先级业务的数据量，将所述低优先级业务的数据量的指示信息包含于所述缓冲区状态报告以用于所述基站的调度器。
  3. 根据权利要求2所述的电子设备，其中，所述一个或多个处理器还被配置为将所述低优先级业务所属的逻辑信道以及/或者逻辑信道组的标识信息包含于所述缓冲区状态报告中，所述逻辑信道包含专用业务信道。
  4. 根据权利要求2或3所述的电子设备，其中，所述一个或多个处理器还被配置为将关于所述低优先级业务的缓冲区状态报告包含于媒体接入控制MAC控制元素中，以及生成对应于该MAC控制元素的MAC协议数据单元子头，该子头包含指示所述MAC控制元素是有关于低优先级业务的缓冲区状态报告的类型信息。
  5. 根据权利要求4所述的电子设备，其中，所述类型信息由所述子头中的逻辑信道标识所指示，并且相应逻辑信道标识的索引取值为二进制值01011到11000中之一.
  6. 根据权利要求1至3中任一项所述的电子设备，其中，所述低优先级业务包括低服务质量要求的业务。
  7. 根据权利要求1至3中任一项所述的电子设备，其中，所述一个或多个处理器还被配置为基于所述基站的调度器的调度分配信息将所述低优先级业务的数据映射至相应的非授权传输资源上以向所述基站传输。
  8. 根据权利要求1至3中任一项所述的电子设备，其中，所述调度辅助信息还包括所述用户设备的地理位置信息、未授权传输资源上的候选 信道空闲情况以及未授权传输资源上的候选信道的信道质量中至少之一。
  9. 根据权利要求1至3中任一项所述的电子设备，其中，所述电子设备为用户设备，所述一个或多个处理器还被配置为基于所述用户设备到所述基站的传输资源的可用性选择用于传输所述调度辅助信息的传输资源，以及所述电子设备还包括发射机，被配置为通过所选择的传输资源发送所述调度辅助信息。
  10. 一种用于无线通信的方法，包括：
    确定可用于上行传输的低优先级业务的数据状态；以及
    基于所述低优先级业务的数据状态，生成用于基站的调度器的调度辅助信息，所述调度辅助信息与用户设备在非授权传输资源上的传输有关。
  11. 一种用于无线通信的电子设备，包括：
    一个或多个处理器，被配置为
    基于来自用户设备的有关于低优先级业务的调度辅助信息，对非授权传输资源进行分配；以及
    生成包含有关于非授权传输资源的调度分配信息以用于所述用户设备的传输。
  12. 根据权利要求11所述的电子设备，其中，所述调度辅助信息包括缓冲区状态报告，所述一个或多个处理器被配置为读取所述缓冲区状态报告，确定所述用户设备缓冲区中可用于上行传输的低优先级业务的数据量，并且根据所述数据量对非授权传输资源进行分配。
  13. 根据权利要求12所述的电子设备，其中，所述一个或多个处理器还被配置为获取来自所述用户设备的MAC协议数据单元，根据所述MAC协议数据单元的子头确定该MAC协议数据单元中包含有关于低优先级业务的缓冲区状态报告的MAC控制元素以读取所述缓冲区状态报告，其中，该子头包含指示所述MAC控制元素是有关于低优先级业务的缓冲区状态报告的类型信息。
  14. 根据权利要求11-13中任一项所述的电子设备，其中，所述电子设备为基站，所述基站还包括接收机，被配置为从所述用户设备或者服务于该用户设备的另一基站接收所述调度辅助信息。
  15. 一种用于无线通信的方法，包括：
    基于来自用户设备的有关于低优先级业务的调度辅助信息，对非授权传输资源进行分配；以及
    生成包含有关于非授权传输资源的调度分配信息以用于所述用户设备的传输。
  16. 一种用于无线通信系统终端侧的设备，包括：
    获取单元，被配置为获取所述设备的逻辑信道的缓冲区中待发送的低优先级业务的数据量；
    生成单元，被配置为将有关所述数据量的信息插入到缓冲区状态报告中；以及
    发送单元，被配置为将所述缓冲区状态报告发送给基站。
  17. 根据权利要求16所述的设备，其中，所述生成单元还被配置为将标志所述逻辑信道的信息插入到所述缓冲区状态报告中。
  18. 根据权利要求16所述的设备，其中，所述逻辑信道是专用业务信道。
  19. 根据权利要求16-18中任一项所述的设备，其中，所述生成单元被配置为在承载所述缓冲区状态报告的媒体接入控制分组数据单元的相应子头中指示所述缓冲区状态报告。
  20. 根据权利要求19所述的设备，其中，所述生成单元被配置为利用所述子头中的逻辑信道标识符字段来指示所述缓冲区状态报告。
  21. 根据权利要求16-18中任一项所述的设备，其中，所述生成单元被配置为在承载所述缓冲区状态报告的媒体接入控制协议数据单元的控制元素中增加特定比特的字段，以指示所述缓冲区状态报告。
  22. 根据权利要求16-18中任一项所述的设备，其中，所述生成单元被配置为将关于所述低优先级业务的缓冲区状态报告包含于媒体接入控制MAC控制元素中，以及生成对应于该MAC控制元素的MAC协议数据单元子头，该子头包含指示所述MAC控制元素是有关于低优先级业务的缓冲区状态报告的类型信息。
  23. 根据权利要求16-18中任一项所述的设备，其中，所述设备被配 置为在利用未授权频段的无线通信中使用。
  24. 根据权利要求16-18中任一项所述的设备，其中，所述发送单元被配置为以下面情况之一作为触发条件进行所述发送：
    a.所述设备已发送用于请求未授权频段上的上行信道资源的资源请求；
    b.所述相应信道中存在要发送的低优先级业务数据；以及
    c.用于定时进行所述发送的定时器到期。
  25. 根据权利要求16-18中任一项所述的设备，其中，所述发送单元还被配置为发送其它信息，所述其它信息至少包括所述设备的地理位置信息和未授权频段上的候选信道空闲情况之一。
  26. 一种由终端侧的设备使用的无线通信方法，包括：
    获取所述设备的逻辑信道的缓冲区中待发送的低优先级业务的数据量；
    将有关所述数据量的信息插入到缓冲区状态报告中；以及
    将所述缓冲区状态报告发送给基站。
  27. 一种用于无线通信系统基站侧的设备，包括：
    接收单元，被配置为接收缓冲区状态报告，所述缓冲区状态报告插入有有关要在终端侧设备的逻辑信道上发送的低优先级业务的数据量的信息；以及
    调度单元，被配置为根据有关所述数据量的信息为所述终端侧设备分配上行传输资源。
  28. 根据权利要求27所述的设备，其中，所述调度单元被配置为响应于所述缓冲区状态报告的接收为所述终端侧设备分配未授权频段上的上行传输资源。
  29. 根据权利要求28所述的设备，其中，所述接收单元还被配置为接收其它信息，所述其它信息至少包括所述终端侧设备的地理位置信息和未授权频段上的候选信道空闲情况之一。
  30. 根据权利要求29所述的设备，其中，所述调度单元还使用所述其它信息来进行所述分配。
  31. 一种由基站侧的设备使用的无线通信方法，包括：
    接收缓冲区状态报告，所述缓冲区状态报告插入有有关要在终端侧设备的逻辑信道上发送的低优先级业务的数据量的信息；以及
    根据有关所述数据量的信息为所述终端侧设备分配上行传输资源。
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CN106162911A (zh) 2016-11-23
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JP6729599B2 (ja) 2020-07-22

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