WO2016082652A1 - 一种drb映射方法及装置 - Google Patents
一种drb映射方法及装置 Download PDFInfo
- Publication number
- WO2016082652A1 WO2016082652A1 PCT/CN2015/093238 CN2015093238W WO2016082652A1 WO 2016082652 A1 WO2016082652 A1 WO 2016082652A1 CN 2015093238 W CN2015093238 W CN 2015093238W WO 2016082652 A1 WO2016082652 A1 WO 2016082652A1
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- drb
- mapping
- band carrier
- network device
- terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/14—Spectrum sharing arrangements between different networks
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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
- H04W28/0252—Traffic management, e.g. flow control or congestion control per individual bearer or channel
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1215—Wireless traffic scheduling for collaboration of different radio technologies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
Definitions
- the present invention relates to the field of communications technologies, and in particular, to a DRB mapping method and apparatus.
- LTE Long Term Evolution
- LTE-Unlicensed is a technology that provides LTE services based on unlicensed bands.
- wireless communication technologies such as Wi-Fi, Bluetooth, etc.
- LTE uses unlicensed bands, it needs to share the spectrum with other wireless communication technologies in a time-sharing manner.
- the same unlicensed frequency band can be used by different operators' LTE networks, which inevitably brings about strong interference.
- the embodiment of the invention provides a DRB mapping method and device for implementing deployment of transmission data on unlicensed frequency band resources.
- the network device determines the mapping mode of the DRB; the mapping manner of the DRB refers to whether the DRB is allowed to be mapped to the licensed band carrier and/or whether it is allowed to be mapped to the unlicensed band carrier;
- the network device sends the service data of the DRB on a specified carrier according to the determined mapping manner of the DRB.
- the mapping manner of the DRB includes a first mapping manner and a second mapping manner
- the DRB is only allowed to be mapped to the licensed band carrier
- the DRB allows mapping to both the licensed band carrier and the unlicensed band carrier.
- the network device determines a mapping manner of the DRB, including:
- the network device follows a pre-agreed mapping manner of the DRB.
- the network device determines the mapping manner of the DRB according to the RLC transmission mode, including:
- the RLC mode of the DRB is the non-acknowledgement mode UM, it is determined that the DRB is only allowed to be mapped to the licensed band carrier;
- the RLC mode of the DRB is the acknowledgment mode AM, it is determined that the DRB is allowed to be mapped to both the licensed band carrier and the unlicensed band carrier.
- the network device determines a mapping manner of the DRB, including one or a combination of the following:
- the network device After the DRB is established, the network device re-determines and configures the mapping mode of the established DRB according to the signal interference situation and/or the receiving quality of the transmission service.
- the network device receives, as the handover target network device, the DRB mapping mode information of the handover terminal sent by the source network device, where the target network device re-determines and configures the mapping manner of the DRB of the handover terminal.
- the network device further includes:
- the network device indicates the mapping manner of the DRB to the terminal that establishes the DRB.
- the network device indicates, by using radio resource control RRC signaling, a mapping manner of the DRB to a terminal that establishes the DRB;
- the RRC signaling includes a first DRB list and a second DRB list, where the DRB in the first DRB list is allowed to be mapped to the licensed band carrier and allowed to be mapped to the unlicensed band carrier, the second DRB list.
- the DRB in the field is not allowed to be mapped to the unlicensed band carrier.
- the network device further includes:
- the network device receives a buffer status report BSR reported by the terminal, where the BSR carries the data volume to be transmitted of the DRB, where the DRBs corresponding to all logical channels of one logical channel group have the same or different mapping manners;
- the type of the BSR is indicated in the BSR reported by the terminal; wherein the type of the BSR includes the first type and the second type, In the first type of BSR, the DRB corresponding to the logical channel included in one logical channel group is only allowed to be mapped to the licensed frequency band carrier, and the logical channel included in one logical channel group in the second type of BSR corresponds to the logical channel.
- the DRB includes at least a DRB that allows mapping to both the licensed band carrier and the unlicensed carrier band.
- Another data radio bearer DRB mapping method provided by the present invention includes:
- the terminal determines the mapping mode of the DRB; the mapping manner of the DRB refers to whether the DRB is allowed to be mapped to the licensed band carrier and/or whether it is allowed to be mapped to the unlicensed band carrier;
- the terminal sends the service data of the DRB on a specified carrier according to the DRB mapping manner.
- the mapping manner of the DRB includes a first mapping manner and a second mapping manner
- the DRB is only allowed to be mapped to the licensed band carrier
- the DRB allows mapping to both the licensed band carrier and the unlicensed band carrier.
- the terminal determines a mapping manner of the DRB, including:
- the terminal follows a pre-agreed mapping manner of the DRB.
- the indication information is received by radio resource control RRC signaling;
- the RRC signaling includes a first DRB list and a second DRB list, where the DRB in the first DRB list is allowed to be mapped to the licensed band carrier and allowed to be mapped to the unlicensed band carrier, the second DRB list.
- the DRB in the field is not allowed to be mapped to the unlicensed band carrier.
- the terminal determines, according to the indication information sent by the network device, the mapping manner of the DRB, including one or a combination of the following:
- the terminal When the DRB is established, the terminal receives the first indication information sent by the network device, and determines a mapping manner of the DRB according to the first indication information, where the first indication information indicates a mapping manner of the DRB of the terminal. ;
- the terminal After the DRB is established, the terminal receives the second indication information sent by the network device, and determines a mapping manner of the DRB according to the second indication information, where the second indication information indicates that the network device is the terminal Reconfigured DRB mapping mode;
- the terminal After the terminal switches to the target network device, the terminal receives the third indication information sent by the target network device to determine a mapping manner of the DRB, where the third indication information indicates that the target network device is the terminal Reconfigured DRB mapping mode.
- the terminal further includes:
- the terminal sends a buffer status report BSR to the network device, where the BSR carries the data volume to be transmitted of the DRB, where the DRBs corresponding to all the logical channels of one logical channel group have the same or different mapping manners;
- the type of the BSR is indicated in the BSR reported by the terminal; wherein the type of the BSR includes the first type and the second type, In the first type of BSR, the DRB corresponding to the logical channel included in one logical channel group is only allowed to be mapped to the license. On the frequency band carrier, in the second type of BSR, the DRB corresponding to the logical channel included in one logical channel group includes at least a DRB that allows mapping to both the licensed band carrier and the unlicensed carrier band.
- the terminal further includes:
- the terminal allocates resources according to the logical channel corresponding to the DRB according to the priority; wherein if the logical channel corresponding to the DRB is allowed to be mapped to the licensed band carrier and allowed to be mapped to the unlicensed band carrier, the DRB is preferentially assigned to the DRB. Permitted band carrier resources.
- a processing module configured to determine a mapping manner of the DRB; the mapping manner of the DRB refers to whether the DRB is allowed to be mapped to the licensed frequency band carrier and/or whether it is allowed to be mapped to the unlicensed frequency band carrier;
- a sending module configured to send the service data of the DRB on the specified carrier according to the determined mapping manner of the DRB.
- the mapping manner of the DRB includes a first mapping manner and a second mapping manner
- the DRB is only allowed to be mapped to the licensed band carrier
- the DRB allows mapping to both the licensed band carrier and the unlicensed band carrier.
- the processing module is further configured to:
- the processing module is further configured to:
- the RLC mode of the DRB is the non-acknowledgement mode UM, it is determined that the DRB is only allowed to be mapped to the licensed band carrier;
- the RLC mode of the DRB is the acknowledgment mode AM, it is determined that the DRB is allowed to be mapped to both the licensed band carrier and the unlicensed band carrier.
- the processing module is further configured to:
- the DRB When the DRB is established, determining the mapping mode of the established DRB according to the quality of service QoS characteristics of the DRB and/or the radio link control RLC transmission mode;
- the mapping manner of the established DRB is re-determined and configured according to the signal interference situation and/or the reception quality of the transmission service;
- the mapping manner of the DRB of the handover terminal is re-determined and configured.
- the processing module is further configured to:
- the mapping manner of the DRB is indicated to the terminal that established the DRB.
- the processing module is further configured to:
- the RRC signaling includes a first DRB list and a second DRB list, where the DRB in the first DRB list is allowed to be mapped to the licensed band carrier and allowed to be mapped to the unlicensed band carrier, the second DRB list.
- the DRB in the field is not allowed to be mapped to the unlicensed band carrier.
- the method further includes:
- a receiving module configured to receive a buffer status report BSR reported by the terminal, where the BSR carries the amount of data to be transmitted of the DRB, where the DRBs corresponding to all logical channels of one logical channel group have the same or different mapping manners ;
- the type of the BSR is indicated in the BSR reported by the terminal; wherein the type of the BSR includes the first type and the second type, In the first type of BSR, the DRB corresponding to the logical channel included in one logical channel group is only allowed to be mapped to the licensed frequency band carrier, and the logical channel included in one logical channel group in the second type of BSR corresponds to the logical channel.
- the DRB includes at least a DRB that allows mapping to both the licensed band carrier and the unlicensed carrier band.
- a processing module configured to determine a mapping manner of the DRB; the mapping manner of the DRB refers to whether the DRB is allowed to be mapped to the licensed frequency band carrier and/or whether it is allowed to be mapped to the unlicensed frequency band carrier;
- a sending module configured to send the service data of the DRB on the specified carrier according to the DRB mapping manner.
- the mapping manner of the DRB includes a first mapping manner and a second mapping manner
- the DRB is only allowed to be mapped to the licensed band carrier
- the DRB allows mapping to both the licensed band carrier and the unlicensed band carrier.
- the processing module is further configured to:
- the method further includes:
- a receiving module configured to receive the indication information by using a radio resource control RRC signaling
- the RRC signaling includes a first DRB list and a second DRB list, where the DRB in the first DRB list is allowed to be mapped to the licensed band carrier and allowed to be mapped to the unlicensed band carrier, the second DRB list.
- the DRB in the field is not allowed to be mapped to the unlicensed band carrier.
- the processing module is further configured to:
- the first indication information indicates a mapping manner of the DRB of the terminal
- the DRB After the DRB is established, determining a mapping manner of the DRB according to the second indication information sent by the network device, where the second indication information indicates a mapping manner of the DRB that the network device reconfigures for the terminal;
- the terminal After the terminal is switched to the target network device, determining a mapping manner of the DRB according to the third indication information sent by the target network device, where the third indication information indicates that the target network device is reconfigured for the terminal The mapping mode of the DRB.
- the sending module is further configured to:
- a buffer status report BSR where the BSR carries the data volume to be transmitted of the DRB, where the DRBs corresponding to all logical channels of one logical channel group have the same or different mapping manners;
- the type of the BSR is indicated in the BSR reported by the sending module, where the type of the BSR includes the first type and the second type.
- the DRB corresponding to the logical channel included in one logical channel group is only allowed to be mapped to the licensed frequency band carrier, and the logical channel included in one logical channel group in the second type of BSR corresponds to
- the DRB includes at least a DRB that allows mapping to both the licensed band carrier and the unlicensed carrier band.
- the processing module is further configured to:
- a network device including:
- a processor for reading a program in the memory performing the following process:
- the mapping mode of the DRB refers to whether the DRB is allowed to be mapped to the licensed band carrier and/or whether it is allowed to be mapped to the unlicensed band carrier; according to the determined mapping manner of the DRB, on the specified carrier Transmitting the service data of the DRB;
- a transceiver for receiving and transmitting data under the control of a processor.
- the mapping manner of the DRB includes a first mapping manner and a second mapping manner.
- the DRB is only allowed to be mapped to the licensed band carrier
- the DRB allows mapping to both the licensed band carrier and the unlicensed band carrier.
- the processor is further configured to:
- the processor is further configured to:
- the RLC mode of the DRB is the non-acknowledgement mode UM, it is determined that the DRB is only allowed to be mapped to the licensed band carrier;
- the RLC mode of the DRB is the acknowledgment mode AM, it is determined that the DRB is allowed to be mapped to both the licensed band carrier and the unlicensed band carrier.
- the processor is further configured to:
- the DRB When the DRB is established, determining the mapping mode of the established DRB according to the quality of service QoS characteristics of the DRB and/or the radio link control RLC transmission mode;
- the mapping manner of the established DRB is re-determined and configured according to the signal interference situation and/or the reception quality of the transmission service;
- the mapping manner of the DRB of the handover terminal is re-determined and configured.
- the processor is further configured to: indicate a mapping manner of the DRB to a terminal that establishes the DRB.
- the processor is further configured to:
- the RRC signaling includes a first DRB list and a second DRB list, where the DRB in the first DRB list is allowed to be mapped to the licensed band carrier and allowed to be mapped to the unlicensed band carrier, the second DRB list.
- the DRB in the field is not allowed to be mapped to the unlicensed band carrier.
- the transceiver is further configured to:
- a buffer status report BSR where the BSR carries the data volume to be transmitted of the DRB, where the DRBs corresponding to all the logical channels of one logical channel group have the same or different mapping manners;
- the type of the BSR is indicated in the BSR reported by the terminal; wherein the type of the BSR includes the first type and the second type, In the first type of BSR, the DRB corresponding to the logical channel included in one logical channel group is only allowed to be mapped to the licensed frequency band carrier, and the logical channel included in one logical channel group in the second type of BSR corresponds to the logical channel.
- the DRB includes at least a DRB that allows mapping to both the licensed band carrier and the unlicensed carrier band.
- a terminal includes a processor and a transceiver, wherein
- the processor is configured to read a program in the memory, and perform the following process: determining a mapping manner of the DRB; the mapping manner of the DRB refers to whether the DRB is allowed to be mapped to the licensed frequency band carrier and/or whether mapping to the unlicensed frequency band carrier is allowed. And transmitting, according to the DRB mapping manner, the service data of the DRB on a designated carrier by using a transceiver.
- the mapping manner of the DRB includes a first mapping manner and a second mapping manner.
- the DRB is only allowed to be mapped to the licensed band carrier
- the DRB allows mapping to both the licensed band carrier and the unlicensed band. On the wave.
- the processor is further configured to:
- the transceiver is further configured to:
- the RRC signaling includes a first DRB list and a second DRB list, where the DRB in the first DRB list is allowed to be mapped to the licensed band carrier and allowed to be mapped to the unlicensed band carrier, the second DRB list.
- the DRB in the field is not allowed to be mapped to the unlicensed band carrier.
- the processor is further configured to:
- the DRB When the DRB is established, determining a mapping manner of the DRB according to the first indication information sent by the network device, where the first indication information indicates a mapping manner of the DRB of the terminal;
- the DRB After the DRB is established, determining a mapping manner of the DRB according to the second indication information sent by the network device, where the second indication information indicates a mapping manner of the DRB that the network device reconfigures for the terminal;
- the terminal After the terminal is switched to the target network device, determining a mapping manner of the DRB according to the third indication information sent by the target network device, where the third indication information indicates that the target network device is reconfigured for the terminal The mapping mode of the DRB.
- the transceiver is further configured to:
- a buffer status report BSR where the BSR carries the data volume to be transmitted of the DRB, where the DRBs corresponding to all logical channels of one logical channel group have the same or different mapping manners;
- the type of the BSR is indicated in the BSR reported by the sending module, where the type of the BSR includes the first type and the second type.
- the DRB corresponding to the logical channel included in one logical channel group is only allowed to be mapped to the licensed frequency band carrier, and the logical channel included in one logical channel group in the second type of BSR corresponds to
- the DRB includes at least a DRB that allows mapping to both the licensed band carrier and the unlicensed carrier band.
- the processor is further configured to:
- the embodiment of the present invention determines the mapping mode of the DRB by using the network device and the terminal; the mapping mode of the DRB refers to whether the DRB is allowed to be mapped to the licensed band carrier and/or whether it is allowed to be mapped to the unlicensed band carrier; the network device And the terminal transmits the service data of the DRB on the designated carrier according to the determined mapping manner of the DRB, thereby implementing the deployment of the transmission data on the licensed band resource and/or the unlicensed band resource.
- FIG. 1 is a schematic flowchart of a DRB mapping method according to an embodiment of the present disclosure
- FIG. 2 is a schematic flowchart of another DRB mapping method according to an embodiment of the present invention.
- FIG. 3 is a schematic diagram of a base station according to an embodiment of the present disclosure.
- FIG. 4 is a schematic diagram of a terminal according to an embodiment of the present disclosure.
- FIG. 5 is a schematic diagram of another base station according to an embodiment of the present disclosure.
- FIG. 6 is a schematic diagram of another terminal according to an embodiment of the present invention.
- GSM Global System of 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
- UMTS Universal Mobile Telecommunication System
- user equipment includes but is not limited to a mobile station (MS, Mobile Station), a mobile terminal (Mobile Terminal), a mobile phone (Mobile Telephone), a mobile phone (handset).
- the user equipment can communicate with one or more core networks via a Radio Access Network (RAN), for example, the user equipment can be a mobile phone (or "cellular"
- RAN Radio Access Network
- the user equipment can be a mobile phone (or "cellular"
- the telephone device, the computer with wireless communication function, etc., the user equipment can also be a mobile device that is portable, pocket-sized, handheld, built-in, or in-vehicle.
- a base station may refer to a device in an access network that communicates with a wireless terminal over one or more sectors over an air interface.
- the base station can be used to convert the received air frame to the IP packet as a router between the wireless terminal and the rest of the access network, wherein the remainder of the access network can include an Internet Protocol (IP) network.
- IP Internet Protocol
- the base station can also coordinate attribute management of the air interface.
- the base station can be in GSM or CDMA
- the base station may be a base station (NodeB) in WCDMA, or may be an evolved base station (NodeB or eNB or e-NodeB, evolutional Node B) in LTE, which is not limited in the present invention.
- the network architecture involved in the embodiment of the present invention includes a network device, and at least one terminal.
- the network device may be a base station, and the terminal is a mobile device with a wireless communication function, such as a mobile phone.
- FIG. 1 is a schematic flowchart of a data radio bearer (DRB) mapping method according to an embodiment of the present invention.
- the flow shows a process flow on the network side, including the following steps 101 to 102:
- Step 101 The network device determines a mapping manner of the DRB.
- the mapping manner of the DRB refers to whether the DRB is allowed to be mapped to the licensed frequency band carrier and/or whether it is allowed to be mapped to the unlicensed frequency band carrier.
- the mapping manner of the DRB in the embodiment of the present invention includes but is not limited to the following two types: a first mapping manner and a second mapping manner.
- the first mapping mode means that the DRB only allows mapping to the licensed band carrier;
- the second mapping mode means that the DRB allows mapping to both the licensed band carrier and the unlicensed band carrier.
- Step 102 The network device sends the service data of the DRB on a specified carrier according to the determined mapping manner of the DRB.
- the network device may determine a mapping manner of the DRB according to a quality of service (QoS) feature of the DRB and/or a radio link control (RLC) transmission mode, where the network device It can also follow the pre-agreed DRB mapping method, so that business data (such as online video, games, etc.) that have certain requirements on service quality are not transmitted on the unlicensed band carrier, which avoids the non-permitted band carrier discontinuity work.
- QoS quality of service
- RLC radio link control
- the network device may depend on a correspondence table between the QCI (QoS Class Identifier) and the DRB mapping mode.
- QCI QoS Class Identifier
- two types of services are defined: Guaranteed Bit Rate (GBR) and Non Guaranteed Bit Rate (GBR), and nine QoS levels, as shown in Table 1.
- GRR Guaranteed Bit Rate
- GRR Non Guaranteed Bit Rate
- Table 1 The DRB of each transmission service established by the terminal corresponds to one QoS class.
- the corresponding DRB mapping mode may be set in advance for the nine QoS levels, for example, for a QoS level less than or equal to 5, the corresponding DRB mapping mode is set to allow mapping only to the licensed band carrier, so that When the network device performs DRB mapping, the corresponding relationship table may be queried according to the QoS level of the DRB to obtain a corresponding DRB mapping manner.
- the network device determines the mapping mode of the DRB according to the RLC transmission mode, or pre-agreed the DRB mapping mode, the following principle may be followed: if the RLC mode of the DRB is an Unacknowledged Mode (UM), then the determining is performed. The DRB is only allowed to be mapped to the licensed band carrier. If the RLC mode of the DRB is the Acknowledged Mode (AM), it is determined that the DRB is allowed to be mapped to both the licensed band carrier and the unlicensed band carrier.
- UM Unacknowledged Mode
- AM Acknowledged Mode
- the AM mode means that each RLC packet sent must be acknowledged by the receiving end before the subsequent packet can be sent. If a packet is not acknowledged, the sender will retransmit until the acknowledgement is received or the maximum number of retransmissions is reached. until. This mode guarantees reliable transmission of data packets.
- the RLC mode of the DRB is the AM mode, the DRB is allowed to be mapped to the licensed band carrier and the unlicensed band carrier, and can be used to transmit the service data packet sensitive to the packet loss.
- the UM mode means that the transmitted RLC data packet does not need to be acknowledged by the receiving end.
- This transmission mode generally cannot guarantee reliable transmission of data packets but can better guarantee data transmission delay, and is suitable for services that are insensitive to packet loss but sensitive to transmission delay.
- the RLC mode of the DRB is the UM mode, only the DRB is allowed to be mapped to the licensed band carrier, and can be used to transmit a service data packet that is insensitive to packet loss but sensitive to the transmission delay.
- the network device may indicate the mapping manner of the DRB to the terminal that establishes the DRB.
- the network device can pass RRC (Radio Resource Control)
- the signaling indicates the mapping manner of the DRB to the terminal that established the DRB.
- the network device may indicate the mapping manner of the DRB in the RRC signaling in multiple manners.
- the RRC signaling may include a first DRB list and a second DRB list, where the DRB in the first DRB list is Allowing mapping onto a licensed band carrier also allows mapping onto unlicensed band carriers, and the DRBs in the second DRB list are not allowed to be mapped onto unlicensed band carriers.
- the network device may determine the mapping manner of the DRB at multiple different occasions, for example, the mapping manner of the DRB may be determined at one or more of the following occasions:
- the mapping manner of the established DRB is re-determined and configured according to the signal interference situation and/or the reception quality of the transmission service;
- the network device After the network device receives the DRB mapping mode information of the switching terminal sent by the source network device, the network device re-determines and configures the mapping manner of the DRB of the switching terminal.
- the mapping mode of the DRB is determined by the network device, and the mapping mode is indicated to the terminal. According to the determined mapping mode of the DRB, the network device and the terminal send the DRB service data on the designated carrier, thereby Data transmission over licensed band resources and/or unlicensed band resources is achieved.
- FIG. 2 is a schematic flowchart of another DRB mapping method according to an embodiment of the present invention.
- the process shows a process flow on the terminal side, including the following steps 201 to 202:
- Step 201 The terminal determines a mapping manner of the DRB.
- the mapping manner of the DRB refers to whether the DRB is allowed to be mapped to the licensed frequency band carrier and/or whether it is allowed to be mapped to the unlicensed frequency band carrier.
- the mapping manner of the DRB in the embodiment of the present invention includes but is not limited to the following two types: a first mapping manner and a second mapping manner.
- the first mapping mode means that the DRB only allows mapping to the licensed band carrier;
- the second mapping mode means that the DRB allows mapping to both the licensed band carrier and the unlicensed band carrier.
- Step 202 The terminal sends the service data of the DRB on a specified carrier according to the DRB mapping manner.
- step 201 the terminal can determine the mapping manner of the DRB in the following two manners.
- Manner 1 The terminal determines the mapping mode of the DRB according to the indication information sent by the network device, where the indication information indicates the mapping mode of the DRB of the terminal; the terminal receives the indication information by using the radio resource control RRC signaling: the RRC signaling includes the a DRB list and a second DRB list, the DRBs in the first DRB list are allowed to be mapped to both the licensed band carrier and the unlicensed band carrier, and the DRB in the second DRB list is not allowed to be mapped to the non-DRB list. On the licensed band carrier.
- the terminal follows the pre-agreed mapping mode of the DRB.
- the DRB with the RLC mode of UM can only be mapped to the licensed band carrier, and the DRB with the RLC mode of AM can be mapped to the licensed band carrier. Can be mapped to the unlicensed band carrier, then the terminal follows this convention to determine the mapping mode of the DRB.
- the terminal may determine the mapping manner of the DRB at multiple different occasions, for example, the mapping manner of the DRB may be determined at one or more of the following occasions:
- the terminal When the DRB is established, the terminal receives the first indication information sent by the network device, and determines a mapping manner of the DRB according to the first indication information, where the first indication information indicates a mapping manner of the DRB of the terminal.
- the terminal After the DRB is established, the terminal receives the second indication information sent by the network device, and determines the mapping manner of the DRB according to the second indication information, where the second indication information indicates the mapping manner of the DRB that the network device reconfigures.
- the third indication information sent by the receiving target network device determines a mapping manner of the DRB, where the third indication information indicates a mapping manner of the DRB that the target network device reconfigures.
- the mapping mode of the DRB is determined by the terminal, and the service data of the DRB is sent on the designated carrier according to the DRB mapping manner, thereby realizing the licensed band resource and/or non-licensing. Data is transmitted on the band resources.
- the BSR is sent to the network device to carry the BSR, and the BSR can be reported in the following three manners.
- Manner 1 The terminal maps the logical channels corresponding to the uplink DRBs transmitted on different classes of carriers to different logical channel groups.
- logical channels 0 to 3 can only be transmitted on licensed band carriers; logical channels 4 to 9 can be mapped to licensed band carriers or unlicensed band carriers for transmission; then, when mapping DRBs to logical channel groups, two Class logical channels are mapped to different logical groups, for example: logical channels 0 and 1 are mapped to logical channel group 0; logical channels 2 and 3 are mapped to logical channel group 1; logical channels 4, 6, 7, 8, 9 are mapped to logic Channel group 2; logical channel 5 is mapped to logical channel group 3.
- the network device When the network device receives the BSR report for the logical channel groups 0 and 1, it is known that the data amount can only be transmitted on the licensed band carrier; when the BSR report for the logical channel groups 2 and 3 is received, it is known that the data amount can be Transmission on two types of carriers.
- Manner 2 The terminal reports two types of BSRs, one type only includes the amount of data that each logical channel group can only transmit on the licensed band carrier; the other type includes each logical channel group that can be transmitted on the unlicensed band carrier or the licensed band carrier. The amount of data.
- logical channels 0 to 3 can only be transmitted on licensed band carriers; logical channels 4 to 9 can be mapped to licensed band carriers and unlicensed band carriers for transmission, when logical channel groups are divided: logical channel 0 and 4, 5 mapping To logical channel group 0; logical channels 1 and 6, 7 are mapped to logical channel group 1; logical channels 2 and 8 are mapped to logical channel group 2; logical channels 3 and 9 are mapped to logical channel group 3.
- the terminal When a BSR is reported, the terminal reports two types of BSRs.
- the first type of BSR indicates the amount of data that can only be transmitted on the licensed band carrier: that is, the logical channel group 0 only contains the logical channel 0 data amount; the logical channel group 1 only includes the data amount.
- the second type of BSR indicates the amount of data that can be transmitted on the unlicensed band carrier or the licensed band carrier: that is, the logical channel group 0 only contains the logical channel 4, 5 data volume; the logical channel group 1 only contains the logical channel 6, 7 The amount of data; the logical channel group 2 contains only the data amount of the logical channel 8; the logical channel group 3 contains only the data amount of the logical channel 9.
- the two types of BSRs may be distinguished by using R bits in a Media Access Control Address (MAC) subheader, or by using a logical channel identify (LCID).
- MAC Media Access Control Address
- LCID logical channel identify
- the network device can determine the amount of data to be transmitted on the two types of carriers according to the type of the BSR.
- Manner 3 The terminal reports two types of BSRs, one type only includes the amount of data that each logical channel group can only transmit on the licensed band carrier; the other type contains all the data to be transmitted of each logical channel group.
- logical channels 0 to 3 can only be transmitted on licensed band carriers; logical channels 4 to 9 can be mapped to licensed band carriers and unlicensed band carriers for transmission, when logical channel groups are divided: logical channel 0 and 4, 5 mapping To logical channel group 0; logical channels 1 and 6, 7 are mapped to logical channel group 1; logical channels 2 and 8 are mapped to logical channel group 2; logical channels 3 and 9 are mapped to logical channel group 3.
- the terminal When a BSR is reported, the terminal reports two types of BSRs.
- the first type of BSR indicates the amount of data that each logical channel group can only transmit on the licensed frequency band carrier: that is, the logical channel group 0 only includes the data amount of the logical channel 0; and the logical channel group 1 only includes the data of the logical channel 1
- the logical channel group 2 contains only the data amount of the logical channel 2; the logical channel group 3 contains only the data amount of the logical channel 3.
- the second type of BSR indicates the total amount of data to be transmitted of each logical channel group: that is, the logical channel group 0 contains the logical channel 0, 4, 5 data volume; the logical channel group 1 only contains the logical channel 1, 6, 7 data.
- the logical channel group 2 contains only the data volume of the logical channels 2, 8; the logical channel group 3 contains only the data volume of the logical channels 3, 9.
- Two types of BSRs can be distinguished by R bits in the MAC subheader or by LCID.
- the network device can determine the amount of data to be transmitted on the two types of carriers according to the type of the BSR.
- the terminal after determining the mapping mode of the DRB, determines the priority of the logical channel corresponding to the DRB.
- the terminal allocates resources according to the logical channel corresponding to the DRB according to the priority, which specifically includes the following three steps:
- Step 1 The terminal determines a resource allocation sequence of each logical channel according to a traditional logical channel priority queuing mechanism, and sequentially allocates resources from the first logical channel.
- Step 2 If the current logical channel data can be transmitted by using the unlicensed band carrier resource, the unlicensed band carrier resource is preferentially allocated to it; if the unlicensed band carrier resource is allocated, the licensed band carrier resource is continuously allocated to the licensed band.
- the carrier resource resource allocation or the current logical channel pending data is allocated to the transmission resource; if the current logical channel data can only be transmitted using the licensed band carrier resource, the licensed band carrier resource is allocated thereto until the traditional carrier resource resource is allocated or current Logical channel pending data is allocated to transmission resources;
- Step 3 If there are resources not allocated, and there is still no logical resource allocation, return to step 2 to continue to allocate resources for the next logical channel.
- the network deploys an LTE-U carrier, and provides a radio resource for the terminal as a secondary carrier.
- the network device determines the mapping mode of the established DRB.
- the network device determines the mapping manner of the established DRB according to the QoS characteristics of the DRB and/or the RLC transmission mode. For example, if the QCI of a DRB is less than or equal to 5, it is determined that the DRB cannot be mapped to the unlicensed band carrier.
- the network device sends the indication information to the terminal by using the dedicated RRC signaling, where the indication information includes the specific mapping manner of the determined DRB.
- the terminal After receiving the indication information sent by the network device, the terminal performs DBR establishment.
- the terminal maps the DBRs with the QCIs 1 to 5 to the licensed band carriers according to the indication information, and the DBRs with the QCIs of 6 to 9 are not limited, and can be mapped to the physical of the licensed band carriers according to the idle condition of the radio resources.
- the channel can also be mapped onto the physical channel of the unlicensed band carrier.
- the network device deploys an unlicensed frequency band LTE-U carrier, and provides a wireless resource for the terminal as a secondary carrier. After the DRB is established, the network device re-determines and configures the mapping mode of the established DRB according to the signal interference situation and/or the reception quality of the transmission service.
- the DRB with the QCI of 1 to 5 can be mapped to the licensed band carrier.
- the QII of 6 to 9 data bearers it can be mapped to the licensed band carrier or to the unlicensed band carrier. on.
- the network device can change the existing configuration when the DRB is established at a certain time based on the signal interference situation and the reception quality of the specific service. For example, the network device modifies the configuration of the DRB with QCI 6 or 7, and the DRB whose QCI is 6 or 7 cannot be mapped to the unlicensed band carrier. After the network device re-determines and configures the mapping mode of the established DRB, the device sends the indication information to the terminal by using dedicated RRC signaling, where the indication information includes a specific mapping manner of the DRB that is re-determined and configured.
- the terminal After receiving the indication information, the terminal modifies the mapping mode of the reconfigured DRB. For example, for a DRB with a QCI of 6 or 7, the terminal only maps it to the licensed band carrier.
- the network deploys an unlicensed band LTE-U carrier to provide radio resources to the user as a secondary carrier.
- the network device receives, as the handover target network device, the DRB mapping mode information of the handover terminal sent by the source network device, and re-determines and configures the mapping manner of the DRB of the handover terminal.
- the source network device When the source network device accepts the service, the source network device configures a mapping mode for the DRB of the terminal, and the DRB with the QCI of 7 cannot be transmitted on the unlicensed band carrier.
- the original DRB mapping mode is sent from the source network device to the target network device through an interface between the network devices. After the terminal switches the target network device, the target network device decides to change the original DRB mapping mode, and allows the DRB with QCI 7 to be mapped to both the licensed band carrier and the unlicensed band carrier.
- the indication information is sent to the terminal by the dedicated RRC signaling, where the indication information includes a specific mapping manner of the reconfigured DRB.
- the terminal modifies the mapping mode of the reconfigured DRB.
- the network device deploys an unlicensed frequency band LTE-U carrier, and provides a radio resource for the user as a secondary carrier.
- Network devices and terminals follow a pre-agreed mapping of DRBs.
- the network device follows a pre-agreed DRB mapping manner. For example, a DRB with an RLC mode of UM can be mapped to a licensed band carrier in advance, and a DRB with an RLC mode of AM can be mapped to a licensed band carrier and can also be mapped. On the unlicensed band carrier, the network device and the terminal respectively follow this convention to determine the mapping mode of the DRB.
- the embodiment of the present invention further provides a base station and a terminal, and the specific content of the base station and the terminal may be implemented by referring to the foregoing method, and details are not described herein again.
- FIG. 3 is a schematic diagram of a base station according to an embodiment of the present invention, including:
- the processing module 301 is configured to determine a mapping manner of the DRB.
- the mapping manner of the DRB refers to whether the DRB is allowed to be mapped to the licensed frequency band carrier and/or whether it is allowed to be mapped to the unlicensed frequency band carrier.
- the sending module 302 is configured to send the service data of the DRB on the specified carrier according to the determined mapping manner of the DRB.
- the mapping manner of the DRB includes a first mapping manner and a second mapping manner
- the DRB is only allowed to be mapped to the licensed band carrier
- the DRB allows mapping to both the licensed band carrier and the unlicensed band carrier.
- the processing module 301 is further configured to:
- mapping mode of the DRB Determining the mapping mode of the DRB according to the quality of service QoS characteristics of the DRB and/or the radio link control RLC transmission mode; or, following the pre-agreed mapping manner of the DRB.
- the processing module 301 is further configured to:
- the RLC mode of the DRB is the non-acknowledgement mode UM, it is determined that the DRB is only allowed to be mapped to the licensed band carrier;
- the RLC mode of the DRB is the acknowledgment mode AM, it is determined that the DRB is allowed to be mapped to both the licensed band carrier and the unlicensed band carrier.
- the processing module 301 is further configured to:
- the RLC transmission mode is controlled according to the quality of service QoS characteristics of the DRB and/or the radio link. Determining the mapping mode of the established DRB;
- the mapping manner of the established DRB is re-determined and configured according to the signal interference situation and/or the reception quality of the transmission service;
- the mapping manner of the DRB of the handover terminal is re-determined and configured.
- the processing module 301 is further configured to:
- the mapping manner of the DRB is indicated to the terminal that established the DRB.
- the processing module 301 is further configured to:
- the RRC signaling includes a first DRB list and a second DRB list, where the DRB in the first DRB list is allowed to be mapped to the licensed band carrier and allowed to be mapped to the unlicensed band carrier, the second DRB list.
- the DRB in the field is not allowed to be mapped to the unlicensed band carrier.
- the network device further includes:
- the receiving module 303 is configured to receive a buffer status report BSR reported by the terminal, where the BSR carries the data volume to be transmitted of the DRB, where the DRBs corresponding to all logical channels of one logical channel group have the same or different mappings. the way;
- the type of the BSR is indicated in the BSR reported by the terminal; wherein the type of the BSR includes the first type and the second type, In the first type of BSR, the DRB corresponding to the logical channel included in one logical channel group is only allowed to be mapped to the licensed frequency band carrier, and the logical channel included in one logical channel group in the second type of BSR corresponds to the logical channel.
- the DRB includes at least a DRB that allows mapping to both the licensed band carrier and the unlicensed carrier band.
- FIG. 4 is a schematic diagram of a terminal according to an embodiment of the present invention, including:
- the processing module 401 is configured to determine a mapping manner of the DRB.
- the mapping manner of the DRB refers to whether the DRB is allowed to be mapped to the licensed frequency band carrier and/or whether it is allowed to be mapped to the unlicensed frequency band carrier.
- the sending module 402 is configured to send the service data of the DRB on the specified carrier according to the DRB mapping manner.
- the mapping manner of the DRB includes a first mapping manner and a second mapping manner
- the DRB is only allowed to be mapped to the licensed band carrier
- the DRB allows mapping to both the licensed band carrier and the unlicensed band carrier.
- processing module 401 is further configured to:
- the terminal further includes:
- the receiving module 403 is configured to receive the indication information by using radio resource control RRC signaling;
- the RRC signaling includes a first DRB list and a second DRB list, where the DRB in the first DRB list is allowed to be mapped to the licensed band carrier and allowed to be mapped to the unlicensed band carrier, the second DRB list.
- the DRB in the field is not allowed to be mapped to the unlicensed band carrier.
- processing module 401 is further configured to:
- the DRB When the DRB is established, determining a mapping manner of the DRB according to the first indication information sent by the network device, where the first indication information indicates a mapping manner of the DRB of the terminal;
- the DRB After the DRB is established, determining a mapping manner of the DRB according to the second indication information sent by the network device, where the second indication information indicates a mapping manner of the DRB that the network device reconfigures for the terminal;
- the terminal After the terminal is switched to the target network device, determining a mapping manner of the DRB according to the third indication information sent by the target network device, where the third indication information indicates that the target network device is reconfigured for the terminal The mapping mode of the DRB.
- the sending module 402 is further configured to:
- a buffer status report BSR where the BSR carries the data volume to be transmitted of the DRB, where the DRBs corresponding to all logical channels of one logical channel group have the same or different mapping manners;
- the type of the BSR is indicated in the BSR reported by the sending module, where the type of the BSR includes the first type and the second type.
- the DRB corresponding to the logical channel included in one logical channel group is only allowed to be mapped to the licensed frequency band carrier, and the logical channel included in one logical channel group in the second type of BSR corresponds to
- the DRB includes at least a DRB that allows mapping to both the licensed band carrier and the unlicensed carrier band.
- processing module 401 is further configured to:
- FIG. 5 is a schematic diagram of another base station according to an embodiment of the present disclosure, where the base station includes:
- the processor 501 is configured to read a program in the memory 503, and perform the following process: determining a mapping manner of the DRB; the mapping manner of the DRB refers to whether the DRB is allowed to be mapped to the licensed frequency band carrier and/or whether mapping is allowed to be unlicensed. Transmitting the DRB service data on the specified carrier according to the determined mapping manner of the DRB;
- the transceiver 502 is configured to receive and transmit data under the control of the processor 501.
- the mapping manner of the DRB includes a first mapping manner and a second mapping manner
- the DRB is only allowed to be mapped to the licensed band carrier
- the DRB allows mapping to both the licensed band carrier and the unlicensed band carrier.
- the processor 501 is further configured to:
- the processor 501 is further configured to:
- the RLC mode of the DRB is the non-acknowledgement mode UM, it is determined that the DRB is only allowed to be mapped to the licensed band carrier;
- the RLC mode of the DRB is the acknowledgment mode AM, it is determined that the DRB is allowed to be mapped to both the licensed band carrier and the unlicensed band carrier.
- the processor 501 is further configured to:
- the DRB When the DRB is established, determining the mapping mode of the established DRB according to the quality of service QoS characteristics of the DRB and/or the radio link control RLC transmission mode;
- the mapping manner of the established DRB is re-determined and configured according to the signal interference situation and/or the reception quality of the transmission service;
- the mapping manner of the DRB of the handover terminal is re-determined and configured.
- the processor 501 is further configured to: indicate a mapping manner of the DRB to a terminal that establishes the DRB.
- the processor 501 is further configured to: indicate, by using radio resource control RRC signaling, a mapping manner of the DRB to a terminal that establishes the DRB;
- the RRC signaling includes a first DRB list and a second DRB list, where the DRB in the first DRB list is allowed to be mapped to the licensed band carrier and allowed to be mapped to the unlicensed band carrier, the second DRB list.
- the DRB in the field is not allowed to be mapped to the unlicensed band carrier.
- the transceiver is further configured to:
- a buffer status report BSR where the BSR carries the data volume to be transmitted of the DRB, where the DRBs corresponding to all the logical channels of one logical channel group have the same or different mapping manners;
- the type of the BSR is indicated in the BSR reported by the terminal; wherein the type of the BSR includes the first type and the second type, In the first type of BSR, the DRB corresponding to the logical channel included in one logical channel group is only allowed to be mapped to the licensed frequency band carrier, and the logical channel included in one logical channel group in the second type of BSR corresponds to the logical channel.
- DRB It includes at least a DRB that allows mapping to both the licensed band carrier and the unlicensed carrier band.
- the bus architecture may include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 501 and various circuits of memory represented by memory 503.
- the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
- the bus interface provides an interface.
- Transceiver 502 can be a plurality of components, including a transmitter and a transceiver, providing means for communicating with various other devices on a transmission medium.
- the processor 501 is responsible for managing the bus architecture and general processing, and the memory 503 can store data used by the processor 501 in performing operations.
- FIG. 6 is a schematic diagram of another terminal according to an embodiment of the present disclosure, where the terminal includes:
- the processor 601 is configured to read a program in the memory 603, and perform the following process: determining a mapping manner of the DRB; the mapping manner of the DRB refers to whether the DRB is allowed to be mapped to the licensed frequency band carrier and/or whether mapping is allowed to be unlicensed. On the frequency band carrier, the service data of the DRB is sent by the transceiver 602 on the designated carrier according to the DRB mapping mode.
- the mapping manner of the DRB includes a first mapping manner and a second mapping manner
- the DRB is only allowed to be mapped to the licensed band carrier
- the DRB allows mapping to both the licensed band carrier and the unlicensed band carrier.
- the processor 601 is further configured to:
- the transceiver 602 is further configured to receive the indication information by using radio resource control RRC signaling;
- the RRC signaling includes a first DRB list and a second DRB list, where the DRB in the first DRB list is allowed to be mapped to the licensed band carrier and allowed to be mapped to the unlicensed band carrier, the second DRB list.
- the DRB in the field is not allowed to be mapped to the unlicensed band carrier.
- the processor 601 is further configured to:
- the DRB When the DRB is established, determining a mapping manner of the DRB according to the first indication information sent by the network device, where the first indication information indicates a mapping manner of the DRB of the terminal;
- the DRB After the DRB is established, determining a mapping manner of the DRB according to the second indication information sent by the network device, where the second indication information indicates a mapping manner of the DRB that the network device reconfigures for the terminal;
- the terminal After the terminal is switched to the target network device, determining a mapping manner of the DRB according to the third indication information sent by the target network device, where the third indication information indicates that the target network device is reconfigured for the terminal The mapping mode of the DRB.
- the transceiver 602 is further configured to: send a buffer status report BSR to the network device, where the BSR carries the data volume of the DRB to be transmitted; where, all logical channels of a logical channel group correspond to DRBs have the same or different mapping modes;
- the type of the BSR is indicated in the BSR reported by the sending module, where the type of the BSR includes the first type and the second type.
- the DRB corresponding to the logical channel included in one logical channel group is only allowed to be mapped to the licensed frequency band carrier, and the logical channel included in one logical channel group in the second type of BSR corresponds to
- the DRB includes at least a DRB that allows mapping to both the licensed band carrier and the unlicensed carrier band.
- the processor 601 is further configured to: determine a priority of a logical channel corresponding to the DRB;
- the bus architecture may include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 601 and various circuits of memory represented by memory 603.
- the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
- the bus interface provides an interface.
- Transceiver 602 can be a plurality of components, including a transmitter and a receiver, providing means for communicating with various other devices on a transmission medium.
- the user interface 604 may also be an interface capable of externally connecting the required devices, including but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
- the processor 601 is responsible for managing the bus architecture and general processing, and the memory 603 can store data used by the processor 601 in performing operations.
- the embodiment of the present invention determines the mapping mode of the DRB by using the network device; the mapping mode of the DRB refers to whether the DRB is allowed to be mapped to the licensed band carrier and/or whether it is allowed to be mapped to the unlicensed band carrier;
- the device and the terminal send the service data of the DRB on the specified carrier according to the determined mapping mode of the DRB.
- the embodiments of the present invention enable the service data (such as VOIP service, online video, game, etc.) that has certain requirements on service quality. It is not transmitted on the unlicensed band carrier, which avoids the service delay caused by the non-permitted band carrier discontinuity operation and the service quality degradation caused by the delay jitter, which can effectively improve the user's service experience.
- embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware. Moreover, the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) including computer usable program code.
- computer-usable storage media including but not limited to disk storage, CD-ROM, optical storage, etc.
- the present invention is directed to a flowchart of a method, apparatus (system), and computer program product according to an embodiment of the present invention. And / or block diagram to describe. It will be understood that each flow and/or block of the flowchart illustrations and/or FIG.
- These computer program instructions can be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing device to produce a machine for the execution of instructions for execution by a processor of a computer or other programmable data processing device.
- the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
- the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
- These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
- the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.
Abstract
Description
Claims (45)
- 一种数据无线承载DRB映射方法,其特征在于,包括:网络设备确定DRB的映射方式;所述DRB的映射方式是指DRB是否允许映射到许可频段载波上和/或是否允许映射到非许可频段载波上;所述网络设备根据确定出的DRB的映射方式,在指定的载波上发送所述DRB的业务数据。
- 如权利要求1所述的方法,其特征在于,所述DRB的映射方式包括第一映射方式和第二映射方式;所述第一映射方式中,DRB仅允许映射到许可频段载波上;所述第二映射方式中,DRB既允许映射到许可频段载波上也允许映射到非许可频段载波上。
- 如权利要求1所述的方法,其特征在于,所述网络设备确定DRB的映射方式,包括:所述网络设备根据DRB的服务质量QoS特点和/或无线链路控制RLC传输模式,确定DRB的映射方式;或者,所述网络设备遵循预先约定的DRB的映射方式。
- 如权利要求3所述的方法,其特征在于,所述网络设备根据RLC传输模式,确定DRB的映射方式,包括:若DRB的RLC模式为非确认模式UM,则确定DRB仅允许映射到许可频段载波上;若DRB的RLC模式为确认模式AM,则确定DRB既允许映射到许可频段载波上也允许映射到非许可频段载波上。
- 如权利要求1所述的方法,其特征在于,所述网络设备确定所述DRB的映射方式,包括以下之一或组合:所述网络设备在DRB建立时,根据DRB的服务质量QoS特点和/或无线链路控制RLC传输模式,确定所建立的DRB的映射方式;所述网络设备在DRB建立后,根据信号干扰情况和/或传输业务的接收质量,重新确定并配置所建立的DRB的映射方式;所述网络设备作为切换目标网络设备接收源网络设备发送的切换终端的DRB映射方式信息,所述目标网络设备重新确定并配置所述切换终端的DRB的映射方式。
- 如权利要求1至5中任一项所述的方法,其特征在于,所述网络设备确定DRB的映射方式后,还包括:所述网络设备将所述DRB的映射方式指示给建立了所述DRB的终端。
- 如权利要求6所述的方法,其特征在于,所述网络设备通过无线资源控制RRC信 令将所述DRB的映射方式指示给建立了所述DRB的终端;所述RRC信令中包含第一DRB列表和第二DRB列表,所述第一DRB列表中的DRB既允许映射到许可频段载波上也允许映射到非许可频段载波上,所述第二DRB列表中的DRB不允许映射到非许可频段载波上。
- 如权利要求1所述的方法,其特征在于,所述网络设备确定DRB的映射方式后,还包括:所述网络设备接收终端上报的缓存状态报告BSR,所述BSR中携带有所述DRB的待传输数据量;其中,一个逻辑信道组的所有逻辑信道所对应的DRB具有相同或不同的映射方式;如果一个逻辑信道组的逻辑信道所对应的DRB具有不同的映射方式,则所述终端上报的BSR中指示出所述BSR的类型;其中,BSR的类型包括第一类型和第二类型,所述第一类型的BSR中,一个逻辑信道组中包含的逻辑信道所对应的DRB仅允许映射到许可频段载波上,所述第二类型的BSR中,一个逻辑信道组中包含的逻辑信道所对应的DRB至少包括既允许映射到许可频段载波上也允许映射到非许可载波频段上的DRB。
- 一种数据无线承载DRB映射方法,其特征在于,包括:终端确定DRB的映射方式;所述DRB的映射方式是指DRB是否允许映射到许可频段载波上和/或是否允许映射到非许可频段载波上;所述终端根据所述DRB映射方式,在指定的载波上发送所述DRB的业务数据。
- 如权利要求9所述的方法,其特征在于,所述DRB的映射方式包括第一映射方式和第二映射方式;所述第一映射方式中,DRB仅允许映射到许可频段载波上;所述第二映射方式中,DRB既允许映射到许可频段载波上也允许映射到非许可频段载波上。
- 如权利要求9所述的方法,其特征在于,所述终端确定DRB的映射方式,包括:所述终端根据网络设备发送的指示信息,确定所述DRB的映射方式,所述指示信息中指示出所述终端的DRB的映射方式;或者,所述终端遵循预先约定的DRB的映射方式。
- 如权利要求11所述的方法,其特征在于,所述指示信息通过无线资源控制RRC信令接收;所述RRC信令中包含第一DRB列表和第二DRB列表,所述第一DRB列表中的DRB既允许映射到许可频段载波上也允许映射到非许可频段载波上,所述第二DRB列表中的DRB不允许映射到非许可频段载波上。
- 如权利要11所述的方法,其特征在于,所述终端根据网络设备发送的指示信息, 确定所述DRB的映射方式,包括以下之一或组合:在DRB建立时,所述终端接收所述网络设备发送的第一指示信息,根据所述第一指示信息确定DRB的映射方式,所述第一指示信息中指示出所述终端的DRB的映射方式;在DRB建立后,所述终端接收所述网络设备发送的第二指示信息,根据所述第二指示信息确定DRB的映射方式,所述第二指示信息中指示出所述网络设备为所述终端重新配置的DRB的映射方式;在所述终端切换到目标网络设备后,所述终端接收所述目标网络设备发送的第三指示信息确定DRB的映射方式,所述第三指示信息中指示出所述目标网络设备为所述终端重新配置的DRB的映射方式。
- 如权利要求9所述的方法,其特征在于,所述终端确定DRB的映射方式后,还包括:所述终端向网络设备发送缓存状态报告BSR,所述BSR中携带有所述DRB的待传输数据量;其中,一个逻辑信道组的所有逻辑信道所对应的DRB具有相同或不同的映射方式;如果一个逻辑信道组的逻辑信道所对应的DRB具有不同的映射方式,则所述终端上报的BSR中指示出所述BSR的类型;其中,BSR的类型包括第一类型和第二类型,所述第一类型的BSR中,一个逻辑信道组中包含的逻辑信道所对应的DRB仅允许映射到许可频段载波上,所述第二类型的BSR中,一个逻辑信道组中包含的逻辑信道所对应的DRB至少包括既允许映射到许可频段载波上也允许映射到非许可载波频段上的DRB。
- 如权利要求9所述的方法,其特征在于,所述终端确定DRB的映射方式后,还包括:所述终端确定DRB对应的逻辑信道的优先级;所述终端根据所述优先级为DRB对应的逻辑信道分配资源;其中,若DRB对应的逻辑信道既允许映射到许可频段载波上也允许映射到非许可频段载波上,则优先为该DRB分配非许可频段载波资源。
- 一种网络设备,其特征在于,包括:处理模块,用于确定DRB的映射方式;所述DRB的映射方式是指DRB是否允许映射到许可频段载波上和/或是否允许映射到非许可频段载波上;发送模块,用于根据确定出的DRB的映射方式,在指定的载波上发送所述DRB的业务数据。
- 如权利要求16所述的网络设备,其特征在于,所述DRB的映射方式包括第一映射方式和第二映射方式;所述第一映射方式中,DRB仅允许映射到许可频段载波上;所述第二映射方式中,DRB既允许映射到许可频段载波上也允许映射到非许可频段载波上。
- 如权利要求16所述的网络设备,其特征在于,所述处理模块还用于:根据DRB的服务质量QoS特点和/或无线链路控制RLC传输模式,确定DRB的映射方式;或者,遵循预先约定的DRB的映射方式。
- 如权利要求18所述的网络设备,其特征在于,所述处理模块还用于:若DRB的RLC模式为非确认模式UM,则确定DRB仅允许映射到许可频段载波上;若DRB的RLC模式为确认模式AM,则确定DRB既允许映射到许可频段载波上也允许映射到非许可频段载波上。
- 如权利要求16所述的网络设备,其特征在于,所述处理模块还用于:在DRB建立时,根据DRB的服务质量QoS特点和/或无线链路控制RLC传输模式,确定所建立的DRB的映射方式;在DRB建立后,根据信号干扰情况和/或传输业务的接收质量,重新确定并配置所建立的DRB的映射方式;在所述网络设备作为切换目标网络设备时,重新确定并配置所述切换终端的DRB的映射方式。
- 如权利要求16至20中任一项所述的网络设备,其特征在于,所述处理模块还用于:将所述DRB的映射方式指示给建立了所述DRB的终端。
- 如权利要求21所述的网络设备,其特征在于,所述处理模块还用于:通过无线资源控制RRC信令将所述DRB的映射方式指示给建立了所述DRB的终端;所述RRC信令中包含第一DRB列表和第二DRB列表,所述第一DRB列表中的DRB既允许映射到许可频段载波上也允许映射到非许可频段载波上,所述第二DRB列表中的DRB不允许映射到非许可频段载波上。
- 如权利要求16所述的网络设备,其特征在于,还包括:接收模块,用于接收终端上报的缓存状态报告BSR,所述BSR中携带有所述DRB的待传输数据量;其中,一个逻辑信道组的所有逻辑信道所对应的DRB具有相同或不同的映射方式;如果一个逻辑信道组的逻辑信道所对应的DRB具有不同的映射方式,则所述终端上报的BSR中指示出所述BSR的类型;其中,BSR的类型包括第一类型和第二类型,所述第一类型的BSR中,一个逻辑信道组中包含的逻辑信道所对应的DRB仅允许映射到许可频段载波上,所述第二类型的BSR中,一个逻辑信道组中包含的逻辑信道所对应的DRB 至少包括既允许映射到许可频段载波上也允许映射到非许可载波频段上的DRB。
- 一种终端,其特征在于,包括:处理模块,用于确定DRB的映射方式;所述DRB的映射方式是指DRB是否允许映射到许可频段载波上和/或是否允许映射到非许可频段载波上;发送模块,用于根据所述DRB映射方式,在指定的载波上发送所述DRB的业务数据。
- 如权利要求24所述的终端,其特征在于,所述DRB的映射方式包括第一映射方式和第二映射方式;所述第一映射方式中,DRB仅允许映射到许可频段载波上;所述第二映射方式中,DRB既允许映射到许可频段载波上也允许映射到非许可频段载波上。
- 如权利要求24所述的终端,其特征在于,所述处理模块还用于:根据网络设备发送的指示信息,确定所述DRB的映射方式,所述指示信息中指示出所述终端的DRB的映射方式;或者,遵循预先约定的DRB的映射方式。
- 如权利要求26所述的终端,其特征在于,还包括:接收模块,用于通过无线资源控制RRC信令接收所述指示信息;所述RRC信令中包含第一DRB列表和第二DRB列表,所述第一DRB列表中的DRB既允许映射到许可频段载波上也允许映射到非许可频段载波上,所述第二DRB列表中的DRB不允许映射到非许可频段载波上。
- 如权利要26所述的终端,其特征在于,所述处理模块还用于:在DRB建立时,根据所述网络设备发送的第一指示信息确定DRB的映射方式,所述第一指示信息中指示出所述终端的DRB的映射方式;在DRB建立后,根据所述网络设备发送的第二指示信息确定DRB的映射方式,所述第二指示信息中指示出所述网络设备为所述终端重新配置的DRB的映射方式;在所述终端切换到目标网络设备后,根据所述目标网络设备发送的第三指示信息确定DRB的映射方式,所述第三指示信息中指示出所述目标网络设备为所述终端重新配置的DRB的映射方式。
- 如权利要求24所述的终端,其特征在于,所述发送模块还用于:向网络设备发送缓存状态报告BSR,所述BSR中携带有所述DRB的待传输数据量;其中,一个逻辑信道组的所有逻辑信道所对应的DRB具有相同或不同的映射方式;如果一个逻辑信道组的逻辑信道所对应的DRB具有不同的映射方式,则所述发送模块上报的BSR中指示出所述BSR的类型;其中,BSR的类型包括第一类型和第二类型,所述第一类型的BSR中,一个逻辑信道组中包含的逻辑信道所对应的DRB仅允许映射到 许可频段载波上,所述第二类型的BSR中,一个逻辑信道组中包含的逻辑信道所对应的DRB至少包括既允许映射到许可频段载波上也允许映射到非许可载波频段上的DRB。
- 如权利要求24所述的终端,其特征在于,所述处理模块还用于:确定DRB对应的逻辑信道的优先级;根据所述优先级为DRB对应的逻辑信道分配资源;其中,若DRB对应的逻辑信道既允许映射到许可频段载波上也允许映射到非许可频段载波上,则优先为该DRB分配非许可频段载波资源。
- 一种网络设备,其特征在于,包括:处理器,用于读取存储器中的程序,执行下列过程:确定DRB的映射方式;所述DRB的映射方式是指DRB是否允许映射到许可频段载波上和/或是否允许映射到非许可频段载波上;根据确定出的DRB的映射方式,在指定的载波上发送所述DRB的业务数据;收发机,用于在处理器的控制下接收和发送数据。
- 如权利要求31所述的网络设备,其特征在于,所述DRB的映射方式包括第一映射方式和第二映射方式;所述第一映射方式中,DRB仅允许映射到许可频段载波上;所述第二映射方式中,DRB既允许映射到许可频段载波上也允许映射到非许可频段载波上。
- 如权利要求31所述的网络设备,其特征在于,所述处理器还用于:根据DRB的服务质量QoS特点和/或无线链路控制RLC传输模式,确定DRB的映射方式;或者,遵循预先约定的DRB的映射方式。
- 如权利要求33所述的网络设备,其特征在于,所述处理器还用于:若DRB的RLC模式为非确认模式UM,则确定DRB仅允许映射到许可频段载波上;若DRB的RLC模式为确认模式AM,则确定DRB既允许映射到许可频段载波上也允许映射到非许可频段载波上。
- 如权利要求31所述的网络设备,其特征在于,所述处理器还用于:在DRB建立时,根据DRB的服务质量QoS特点和/或无线链路控制RLC传输模式,确定所建立的DRB的映射方式;在DRB建立后,根据信号干扰情况和/或传输业务的接收质量,重新确定并配置所建立的DRB的映射方式;在所述网络设备作为切换目标网络设备时,重新确定并配置所述切换终端的DRB的映射方式。
- 如权利要求31至35中任一项所述的网络设备,其特征在于,所述处理器还用于:将所述DRB的映射方式指示给建立了所述DRB的终端。
- 如权利要求36所述的网络设备,其特征在于,所述处理器还用于:通过无线资源控制RRC信令将所述DRB的映射方式指示给建立了所述DRB的终端;所述RRC信令中包含第一DRB列表和第二DRB列表,所述第一DRB列表中的DRB既允许映射到许可频段载波上也允许映射到非许可频段载波上,所述第二DRB列表中的DRB不允许映射到非许可频段载波上。
- 如权利要求31所述的网络设备,其特征在于,所述收发机还用于:接收终端上报的缓存状态报告BSR,所述BSR中携带有所述DRB的待传输数据量;其中,一个逻辑信道组的所有逻辑信道所对应的DRB具有相同或不同的映射方式;如果一个逻辑信道组的逻辑信道所对应的DRB具有不同的映射方式,则所述终端上报的BSR中指示出所述BSR的类型;其中,BSR的类型包括第一类型和第二类型,所述第一类型的BSR中,一个逻辑信道组中包含的逻辑信道所对应的DRB仅允许映射到许可频段载波上,所述第二类型的BSR中,一个逻辑信道组中包含的逻辑信道所对应的DRB至少包括既允许映射到许可频段载波上也允许映射到非许可载波频段上的DRB。
- 一种终端,其特征在于,包括处理器和收发机,其中,处理器,用于读取存储器中的程序,执行下列过程:确定DRB的映射方式;所述DRB的映射方式是指DRB是否允许映射到许可频段载波上和/或是否允许映射到非许可频段载波上;以及于根据所述DRB映射方式,通过收发机在指定的载波上发送所述DRB的业务数据。
- 如权利要求39所述的终端,其特征在于,所述DRB的映射方式包括第一映射方式和第二映射方式;所述第一映射方式中,DRB仅允许映射到许可频段载波上;所述第二映射方式中,DRB既允许映射到许可频段载波上也允许映射到非许可频段载波上。
- 如权利要求39所述的终端,其特征在于,所述处理器还用于:根据网络设备发送的指示信息,确定所述DRB的映射方式,所述指示信息中指示出所述终端的DRB的映射方式;或者,遵循预先约定的DRB的映射方式。
- 如权利要求41所述的终端,其特征在于,所述收发机还用于:通过无线资源控制RRC信令接收所述指示信息;所述RRC信令中包含第一DRB列表和第二DRB列表,所述第一DRB列表中的DRB既允许映射到许可频段载波上也允许映射到非许可频段载波上,所述第二DRB列表中的 DRB不允许映射到非许可频段载波上。
- 如权利要求41所述的终端,其特征在于,所述处理器还用于:在DRB建立时,根据所述网络设备发送的第一指示信息确定DRB的映射方式,所述第一指示信息中指示出所述终端的DRB的映射方式;在DRB建立后,根据所述网络设备发送的第二指示信息确定DRB的映射方式,所述第二指示信息中指示出所述网络设备为所述终端重新配置的DRB的映射方式;在所述终端切换到目标网络设备后,根据所述目标网络设备发送的第三指示信息确定DRB的映射方式,所述第三指示信息中指示出所述目标网络设备为所述终端重新配置的DRB的映射方式。
- 如权利要求39所述的终端,其特征在于,所述收发机还用于:向网络设备发送缓存状态报告BSR,所述BSR中携带有所述DRB的待传输数据量;其中,一个逻辑信道组的所有逻辑信道所对应的DRB具有相同或不同的映射方式;如果一个逻辑信道组的逻辑信道所对应的DRB具有不同的映射方式,则所述发送模块上报的BSR中指示出所述BSR的类型;其中,BSR的类型包括第一类型和第二类型,所述第一类型的BSR中,一个逻辑信道组中包含的逻辑信道所对应的DRB仅允许映射到许可频段载波上,所述第二类型的BSR中,一个逻辑信道组中包含的逻辑信道所对应的DRB至少包括既允许映射到许可频段载波上也允许映射到非许可载波频段上的DRB。
- 如权利要求39所述的终端,其特征在于,所述处理器还用于:确定DRB对应的逻辑信道的优先级;根据所述优先级为DRB对应的逻辑信道分配资源;其中,若DRB对应的逻辑信道既允许映射到许可频段载波上也允许映射到非许可频段载波上,则优先为该DRB分配非许可频段载波资源。
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US20170339568A1 (en) | 2017-11-23 |
EP3226599A4 (en) | 2018-05-30 |
KR20170086622A (ko) | 2017-07-26 |
EP3226599A1 (en) | 2017-10-04 |
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