WO2019192379A1 - Mac pdu传输方法及装置 - Google Patents

Mac pdu传输方法及装置 Download PDF

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Publication number
WO2019192379A1
WO2019192379A1 PCT/CN2019/080059 CN2019080059W WO2019192379A1 WO 2019192379 A1 WO2019192379 A1 WO 2019192379A1 CN 2019080059 W CN2019080059 W CN 2019080059W WO 2019192379 A1 WO2019192379 A1 WO 2019192379A1
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Prior art keywords
mac
type
indication information
extension
pdu
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PCT/CN2019/080059
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English (en)
French (fr)
Inventor
孙军帅
王莹莹
黄学艳
韩星宇
Original Assignee
中国移动通信有限公司研究院
中国移动通信集团有限公司
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Application filed by 中国移动通信有限公司研究院, 中国移动通信集团有限公司 filed Critical 中国移动通信有限公司研究院
Priority to US15/733,685 priority Critical patent/US20210022205A1/en
Priority to AU2019250071A priority patent/AU2019250071B2/en
Priority to SG11202009817RA priority patent/SG11202009817RA/en
Priority to MX2020010374A priority patent/MX2020010374A/es
Priority to EP19781134.2A priority patent/EP3780722A4/en
Priority to CA3095665A priority patent/CA3095665C/en
Priority to BR112020020275-4A priority patent/BR112020020275B1/pt
Publication of WO2019192379A1 publication Critical patent/WO2019192379A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/11—Allocation or use of connection identifiers
    • 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
    • H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/02—Data link layer protocols

Definitions

  • the present application relates to the field of communications, and in particular, to a Media Access Control (MAC) Protocol Data Unit (PDU) transmission method and apparatus.
  • MAC Media Access Control
  • PDU Protocol Data Unit
  • MAC Control Unit CE
  • MIMO multiple input and multiple output
  • Beam Management Beam Management
  • LCID logical channel identify
  • the LCID is 6 bits long and can identify 64 MAC CE types and logical channels. In addition to the LCID value used to identify the logical channel, the protocol in the related art has dozens of LCID values left for identifying the MAC CE type.
  • the purpose of the present application is to provide a MAC PDU transmission method and apparatus for identifying an extended MAC CE type in a MAC PDU.
  • an embodiment of the present application provides a MAC PDU transmission method, where the method includes:
  • the sending device generates a MAC PDU, where the MAC PDU includes N media access control control units MAC CE and N MAC PDU subheaders corresponding to the N MAC CEs, in the N MAC PDU subheaders
  • the MAC CE extension type indication information is included in the at least one MAC PDU sub-header, and is used to indicate that the corresponding MAC CE is an extended type of MAC CE, and the MAC CE corresponding to the MAC PDU sub-header including the MAC CE extension type indication information includes the MAC address.
  • the CE type index is used to indicate the extension type to which the MAC CE belongs, and N is an integer greater than or equal to 1.
  • the sending device sends the MAC PDU.
  • the MAC CE extension type indication information is carried in a logical channel identifier LCID field in a MAC PDU subheader, and the value of the MAC CE extension type indication information is one available value in a MAC CE type identifier value range.
  • the length of the MAC CE type index is N bytes, and N is an integer greater than or equal to 1;
  • the length of the MAC CE type index is (N ⁇ 8-M) bits in N bytes, N is an integer greater than or equal to 1, M is an integer, and 1 ⁇ M ⁇ 7.
  • the MAC CE type index includes length extension indication information, where the length extension indication information occupation At least one of the remaining bits of the N bytes is used, and the length extension indication information is used to indicate whether the length of the MAC CE type index is extended.
  • the MAC PDU is mapped to a downlink shared channel for transmission, or is mapped to an uplink shared channel for transmission.
  • an embodiment of the present application provides a MAC PDU transmission method, where the method includes:
  • the receiving device receives a MAC PDU, where the MAC PDU includes N media access control control units MAC CE and N MAC PDU sub-headers corresponding to the N MAC CEs, in the N MAC PDU subheaders
  • the MAC CE extension type indication information is included in the at least one MAC PDU sub-header, and is used to indicate that the corresponding MAC CE is an extended type of MAC CE, and the MAC CE corresponding to the MAC PDU sub-header including the MAC CE extension type indication information includes the MAC address.
  • the CE type index is used to indicate the extension type to which the MAC CE belongs, and N is an integer greater than or equal to 1.
  • the receiving device determines the type of the MAC CE according to the MAC CE extension type indication information and the MAC CE type index.
  • the MAC CE extension type indication information is carried in a logical channel identifier LCID field in a MAC PDU subheader, and the value of the MAC CE extension type indication information is one available value in a MAC CE type identifier value range.
  • the length of the MAC CE type index is N bytes, and N is an integer greater than or equal to 1;
  • the length of the MAC CE type index is (N ⁇ 8-M) bits in N bytes, N is an integer greater than or equal to 1, M is an integer, and 1 ⁇ M ⁇ 7.
  • the MAC CE type index includes length extension indication information, where the length extension indication information occupation At least one of the remaining bits of the N bytes is used, and the length extension indication information is used to indicate whether the length of the MAC CE type index is extended.
  • the MAC PDU is mapped to a downlink shared channel for transmission, or is mapped to an uplink shared channel for transmission.
  • an embodiment of the present application provides a MAC PDU transmission apparatus, where the apparatus includes:
  • a generating module configured to send, by the sending device, a MAC PDU, where the MAC PDU includes N media access control control units MAC CE and N MAC PDU subheaders corresponding to the N MAC CEs, the N MACs At least one MAC PDU sub-header in the PDU sub-header includes MAC CE extension type indication information, and is used to indicate that the corresponding MAC CE is an extended type of MAC CE, and the MAC PDU sub-header that includes the MAC CE extension type indication information corresponds to The MAC CE includes a MAC CE type index, which is used to indicate an extension type to which the MAC CE belongs, and N is an integer greater than or equal to 1;
  • a sending module configured to send, by the sending device, the MAC PDU.
  • the MAC CE extension type indication information is carried in a logical channel identifier LCID field in a MAC PDU subheader, and the value of the MAC CE extension type indication information is an available value in a MAC CE type identifier value range.
  • the length of the MAC CE type index is N bytes, and N is an integer greater than or equal to 1;
  • the length of the MAC CE type index is (N ⁇ 8-M) bits in N bytes, N is an integer greater than or equal to 1, M is an integer, and 1 ⁇ M ⁇ 7.
  • the MAC CE type index includes length extension indication information, where the length extension indication information occupation At least one of the remaining bits of the N bytes is used, and the length extension indication information is used to indicate whether the length of the MAC CE type index is extended.
  • the MAC PDU is mapped to a downlink shared channel for transmission, or is mapped to an uplink shared channel for transmission.
  • an embodiment of the present application provides a MAC PDU transmission apparatus, where the apparatus includes:
  • a receiving module configured to receive, by the receiving device, a MAC PDU, where the MAC PDU includes N media access control control units MAC CE and N MAC PDU subheaders corresponding to the N MAC CEs, the N MACs At least one MAC PDU sub-header in the PDU sub-header includes MAC CE extension type indication information, and is used to indicate that the corresponding MAC CE is an extended type of MAC CE, and the MAC PDU sub-header that includes the MAC CE extension type indication information corresponds to The MAC CE includes a MAC CE type index, which is used to indicate an extension type to which the MAC CE belongs, and N is an integer greater than or equal to 1;
  • a determining module configured to determine, by the receiving device, the type of the MAC CE according to the MAC CE extension type indication information and the MAC CE type index.
  • the MAC CE extension type indication information is carried in a logical channel identifier LCID field in a MAC PDU subheader, and the value of the MAC CE extension type indication information is one available value in a MAC CE type identifier value range.
  • the length of the MAC CE type index is N bytes, and N is an integer greater than or equal to 1;
  • the length of the MAC CE type index is (N ⁇ 8-M) bits in N bytes, N is an integer greater than or equal to 1, M is an integer, and 1 ⁇ M ⁇ 7.
  • the MAC CE type index includes length extension indication information, where the length extension indication information occupation At least one of the remaining bits of the N bytes is used, and the length extension indication information is used to indicate whether the length of the MAC CE type index is extended.
  • the MAC PDU is mapped to a downlink shared channel for transmission, or is mapped to an uplink shared channel for transmission.
  • an apparatus comprising: one or more processors; and one or more computer readable storage media having instructions stored on the one or more computer readable storage media, the instructions being When the one or more processors are executed, the apparatus is caused to perform the method of any of the above first aspects.
  • a sixth aspect a computer readable storage medium having stored thereon computer executable instructions for causing one or more processors to perform any of the first aspects described above One of the methods described.
  • an apparatus comprising: one or more processors; and one or more computer readable storage media having instructions stored on the one or more computer readable storage media, the instructions being When the one or more processors are executed, the apparatus is caused to perform the method of any of the above second aspects.
  • a computer readable storage medium having stored thereon computer executable instructions for causing one or more processors to perform any of the above second aspects One of the methods described.
  • the MAC CE extension type indication information is set in the MAC PDU sub-header corresponding to the MAC CE to indicate that the MAC CE is An extended type of MAC CE; on the other hand, a MAC CE type index is set in the MAC CE to indicate a specific extension type of the MAC CE. It can be seen that the two types of indication information (the first level indication information is the MAC CE extension type indication information, and the second level indication information is the MAC CE type index) can identify the specific type to which the extended type MAC CE belongs.
  • FIG. 1a, 1b, and 1c are schematic structural diagrams of a MAC PDU subheader corresponding to a MAC CE in the related art
  • 2, 3, 4, and 5 are schematic structural diagrams of a MAC PDU subheader corresponding to a MAC CE according to an embodiment of the present application
  • FIG. 6 is a schematic structural diagram of a MAC PDU subheader corresponding to a MAC CE according to related art according to an embodiment of the present disclosure
  • FIG. 7 is a schematic structural diagram of a MAC PDU subheader corresponding to a MAC CE according to an embodiment of the present disclosure
  • FIG. 8 is a schematic flowchart of a method for transmitting a MAC PDU according to an embodiment of the present disclosure
  • FIG. 9 is a schematic diagram of a MAC PDU transmission apparatus according to an embodiment of the present application.
  • FIG. 10 is a schematic diagram of a MAC PDU transmission apparatus according to an embodiment of the present application.
  • FIG. 11 is a schematic structural diagram of a network function entity according to an embodiment of the present application.
  • FIG. 12 is a schematic structural diagram of a network function entity according to an embodiment of the present disclosure.
  • a radio link layer control protocol (RLC) layer and a physical layer (PHY) are located on the Uu interface.
  • RLC radio link layer control protocol
  • PHY physical layer
  • the scheduling function in the LTE system is implemented at the MAC layer, and the MAC layer is scheduled and controlled by the MAC layer.
  • the PDU is a protocol data unit of the MAC layer and is composed of a string of bytes (8 bits).
  • a Service Data Unit (SDU), also called a Service Data Unit, is a data set of user services of a specified layer, and can be encapsulated and sent in a MAC PDU.
  • the MAC SDU is transmitted by the higher layer protocol information element to the lower layer protocol.
  • a MAC PDU consists of a MAC header, a MAC CE, a MAC SDU, and possibly a padding portion.
  • the number of MAC headers is one; the number of MAC CEs is one or more, and may not include MAC CE; the number of MAC SDUs may be one or more, or may not include MAC SDU; the padding may be based on specific conditions. Existence may or may not exist.
  • the length of the MAC header and the MAC SDU are variable.
  • the MAC CE is located in front of all MAC SDUs, and the padding is located at the end of the MAC PDU.
  • the MAC header contains one or more MAC PDU subheaders, and each MAC PDU subheader corresponds to one MAC SDU or one MAC CE or one padding portion.
  • the order of the MAC PDU subheaders is consistent with the order of the corresponding MAC SDU, MAC CE, and padding.
  • Fig. 1a shows a structure of a MAC PDU subheader corresponding to a MAC CE in the related art.
  • the MAC PDU subheader includes: an R field, an F field, an LCID field, and an 8-bit length L field, where:
  • F field A format field having a length of 1 bit for indicating the size of the length field L. If the length of the variable MAC CE is less than 128 bytes, the value of the F field is set to 0, otherwise it is set to 1.
  • LCID Logical channel identifier. Used to identify the type of the corresponding MAC CE. For each MAC CE, there is an LCID field in its corresponding MAC PDU subheader.
  • Length field indicating the variable length of the MAC CE in bytes.
  • Fig. 1b shows another structure of a MAC PDU subheader corresponding to a MAC CE in the related art.
  • the MAC PDU subheader includes: an R field, an F field, an LCID field, and an L field of 16 bits in length.
  • an R field For the meaning of each field, refer to the related description of the MAC PDU subheader shown in FIG. 1a.
  • Fig. 1c shows another structure of a MAC PDU subheader corresponding to a MAC CE in the related art.
  • the MAC PDU subheader includes: 2 R fields and an LCID field.
  • 2 R fields For the meaning of each field, refer to the related description of the MAC PDU subheader shown in FIG. 1a.
  • the MAC PDU can be mapped to a Downlink-Shared Channel (DL-SCH) or to an Uplink-Shared Channel (UL-SCH).
  • DL-SCH Downlink-Shared Channel
  • UL-SCH Uplink-Shared Channel
  • the value of the LCID field in the MAC PDU subheader can be as shown in Table 1.
  • Table 1 Value of LCID of DL-SCH
  • the value of the LCID field in the MAC PDU subheader can be as shown in Table 2.
  • Table 2 Value of LCID of UL-SCH
  • the 5G system introduces a large number of new MAC CE types.
  • the LCID field is used to indicate the MAC CE type, as shown in Table 1 or Table 2 above.
  • the value range of the LCID limits the number of MAC CE types, that is, the LCID value range in the related art cannot identify a large number of new MAC CE types introduced by the 5G system.
  • the embodiment of the present application provides a MAC PDU transmission method.
  • the MAC CE extension type indication information is set in the MAC PDU sub-head corresponding to the MAC CE.
  • the MAC CE extension type indication information needs to be set in the MAC PDU sub-header for the extension type MAC CE, and is used to indicate that the MAC CE is an extended type MAC CE.
  • the MAC CE extension type indication may be set in the MAC PDU subhead without changing the structure of the MAC PDU subheader in the related art. information.
  • the MAC CE extension type indication information is carried in an LCID field in a MAC PDU subheader, and the value of the MAC CE extension type indication information is one of a MAC CE type identifier value range.
  • the value for example, can be one of the reserved value ranges.
  • the value of the LCID in the MAC PDU subheader can be as shown in Table 1.
  • the value of the range of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the MAC CE extension type is defined as the value of the MAC CE extension type indication information.
  • the value of the value of the MAC address of the DL-SCH can be as shown in Table 3.
  • Table 3 Value of LCID of DL-SCH
  • the value of the LCID in the MAC PDU subheader can be as shown in Table 2.
  • the value of the range of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the MAC CE extension type is defined as the value of the MAC CE extension type indication information.
  • 110110 in the reserved value range may be used as the value of the MAC CE extension type indication information
  • the value of the LCID of the defined UL-SCH may be as shown in Table 4.
  • Table 4 Value of LCID of UL-SCH
  • the structure of the MAC PDU subheader corresponding to the MAC CE may be as shown in FIG. 1a, FIG. 1b or FIG. 1c.
  • the value of the LCID field is the value of the MAC CE extension type indication information defined in the embodiment of the present application.
  • MAC CE extension type indication information is only an example.
  • the naming manner of the indication information in this application is not limited, and the same indication information or identifier information as the indication information is used. All are within the scope of protection of this application.
  • a field is added to the extended MAC CE to indicate the specific type of the MAC CE.
  • the newly added field is named "MAC CE type index".
  • the naming manner of the MAC CE type index is only an example.
  • the naming manner of the information is not limited in this application.
  • the information such as the indication information or the identifier that is the same as the information is within the protection scope of the present application. .
  • a MAC CE type index can uniquely indicate a MAC CE type (the MAC CE type is a new type, that is, an extended type).
  • the MAC CE type index field has a length of N bytes, and N is an integer greater than or equal to 1, that is, an integer multiple of bytes, such as 1 byte (8 bits) or 2 bytes (16 bits).
  • the length of the MAC CE type index field may not be an integer multiple of bytes, the length may be expressed as (N ⁇ 8-M) bits, N is an integer greater than or equal to 1, and M is an integer, 1 ⁇ M ⁇ 7, such as It can be 7 bits or 15 bits.
  • the length of the MAC CE type index field can be flexibly defined according to the needs of the system.
  • Table 5 exemplarily shows the MAC CE extension type mapped to the DL-SCH.
  • Type index 0000000 Type 0 0000001 Type 1 ?? ?? 1111111 Type n
  • Table 6 exemplarily shows the MAC CE extension type mapped to the UL-SCH.
  • Type index 0000000 Type 0 0000001 Type 1 ?? ?? 1111111 Type n
  • the extended type of MAC CE may include the following two basic components:
  • the content of the MAC CE that is, the specific control information content
  • the MAC CE of the extended type may further include: length extension indication information, which may be included in the foregoing basic component. One or more bits are occupied to indicate whether the length of the MAC CE type index is extended.
  • the three possible components of the MAC CE mentioned above may be flexibly defined in the MAC CE, and the present application is not specifically limited herein.
  • the naming manner of the “length extension indication information” is only an example.
  • the naming manner of the indication information is not limited in this application, and the same indication information or identifier as the indication information is in the Within the scope of protection of this application.
  • the length extension indication information occupies 1 bit.
  • the length of the MAC CE type index is not extended, that is, the length of the MAC CE type index is 7 bits;
  • FIG. 2 exemplarily shows the structure of an extended type MAC CE whose type index length is 7 bits.
  • the MAC CE may include:
  • E field length extension indication information, the length is 1 bit, and the value is 0, which is used to indicate that the length of the MAC CE type index is not extended.
  • MAC CE type index 7 bits in length
  • the MAC CE specifically controls the content of the information.
  • FIG. 3 exemplarily shows the structure of an extended type MAC CE whose type index length is 15 bits.
  • the MAC CE may include:
  • E field length extension indication information, the length is 1 bit, and the value is 1 to indicate that the length of the MAC CE type index is extended.
  • MAC CE type index 15 bits in length
  • the MAC CE specifically controls the content of the information.
  • FIG. 4 exemplarily shows the structure of an extended type MAC CE whose type index length is 8 bits.
  • the MAC CE may include:
  • MAC CE type index length is 8 bits
  • the MAC CE specifically controls the content of the information.
  • FIG. 5 exemplarily shows the structure of an extended type MAC CE whose type index length is 16 bits.
  • the MAC CE may include:
  • MAC CE type index 16 bits in length
  • the MAC CE specifically controls the content of the information.
  • the C-RNTI CE format in the protocol is as shown in FIG. 6.
  • FIG. 7 shows a format of an extended type MAC CE whose MAC CE type index is 7 bits.
  • the MAC CE type extension can be implemented by using the method provided in this embodiment of the present application.
  • the embodiment of the present application provides a MAC PDU transmission method.
  • the method includes:
  • the sending device generates a MAC PDU.
  • the MAC PDU sub-head corresponding to the MAC CE includes the MAC CE extended type indication information, where the corresponding MAC CE is used as the extended type MAC CE, and the A MAC CE type index is set in the MAC CE to indicate the extension type described by the MAC CE.
  • the sending device sends the MAC PDU.
  • the embodiment of the present application further provides a MAC PDU transmission method.
  • the method includes:
  • S803 The receiving device receives the MAC PDU sent by the sending device.
  • the receiving device determines the type of the MAC CE according to the MAC CE extension type indication information and the MAC CE type index.
  • the “sending device” when the MAC PDU is mapped to the uplink shared channel, the “sending device” may be “terminal”, and the “receiving device” may be “base station”; the MAC PDU is mapped to the downlink.
  • the “sending device” When the shared channel is transmitted, the “sending device” may be a “base station” and the “receiving device” may be a "terminal”.
  • the embodiment of the present application further provides a MAC PDU transmission apparatus.
  • the apparatus provided in this embodiment of the present application includes:
  • the generating module 901 is configured to send, by the sending device, a MAC PDU, where the MAC PDU includes N media access control control units MAC CE and N MAC PDU subheaders corresponding to the N MAC CEs, the N At least one MAC PDU sub-header in the MAC PDU sub-head includes MAC CE extension type indication information, and is used to indicate that the corresponding MAC CE is an extended type of MAC CE, and the MAC PDU sub-header including the MAC CE extension type indication information is corresponding.
  • the MAC CE includes a MAC CE type index, which is used to indicate an extension type to which the MAC CE belongs, and N is an integer greater than or equal to 1.
  • the sending module 902 is configured to send, by the sending device, the MAC PDU.
  • the embodiment of the present application further provides a MAC PDU transmission apparatus.
  • the apparatus provided in this embodiment of the present application includes:
  • the receiving module 1001 is configured to receive, by the receiving device, a MAC PDU, where the MAC PDU includes N media access control control units MAC CE and N MAC PDU subheaders corresponding to the N MAC CEs, the N At least one MAC PDU sub-header in the MAC PDU sub-head includes MAC CE extension type indication information, and is used to indicate that the corresponding MAC CE is an extended type of MAC CE, and the MAC PDU sub-header including the MAC CE extension type indication information is corresponding.
  • the MAC CE includes a MAC CE type index, which is used to indicate an extension type to which the MAC CE belongs, and N is an integer greater than or equal to 1.
  • the determining module 1002 is configured to determine, by the receiving device, the type of the MAC CE according to the MAC CE extension type indication information and the MAC CE type index.
  • the embodiment of the present application further provides an apparatus, as shown in FIG. 11, including: a processor 1101, a memory 1102, a transceiver 1103, and a bus interface.
  • the apparatus can implement the object processing flow described in the foregoing embodiments.
  • the processor 1101 is responsible for managing the bus architecture and general processing, and the memory 1102 can store data used by the processor 1101 when performing operations.
  • the transceiver 1103 is configured to receive and transmit data under the control of the processor 1101.
  • the bus architecture may include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 1101 and various circuits of memory represented by memory 1102.
  • 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.
  • the processor 1101 is responsible for managing the bus architecture and general processing, and the memory 1102 can store data used by the processor 1101 when performing operations.
  • the flow disclosed in the embodiment of the present disclosure may be applied to the processor 1101 or implemented by the processor 1101.
  • each step of the signal processing flow may be completed by an integrated logic circuit of hardware in the processor 1101 or an instruction in the form of software.
  • the processor 1101 can be a general purpose processor, a digital signal processor, an application specific integrated circuit, a field programmable gate array or other programmable logic device, a discrete gate or transistor logic device, a discrete hardware component, and can implement or perform the embodiments of the present disclosure.
  • a general purpose processor can be a microprocessor or any conventional processor or the like.
  • the steps of the method disclosed in connection with the embodiments of the present disclosure may be directly implemented as hardware processor execution completion or performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 1102, and the processor 1101 reads the information in the memory 1102 and completes the steps of the signal processing flow in conjunction with its hardware.
  • the processor 1101 is configured to read a program in the memory 1102 and execute the flow performed by the access network node described in the foregoing embodiment.
  • the embodiment of the present application further provides an apparatus, as shown in FIG. 12, including: a processor 1201, a memory 1202, a transceiver 1203, and a bus interface.
  • the apparatus can implement the object processing flow described in the foregoing embodiments.
  • the processor 1201 is responsible for managing the bus architecture and general processing, and the memory 1202 can store data used by the processor 1201 in performing operations.
  • the transceiver 1203 is configured to receive and transmit data under the control of the processor 1201.
  • the bus architecture may include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 1201 and various circuits of memory represented by memory 1202.
  • 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.
  • the processor 1201 is responsible for managing the bus architecture and general processing, and the memory 1202 can store data used by the processor 1201 in performing operations.
  • the flow disclosed in the embodiment of the present disclosure may be applied to the processor 1201 or implemented by the processor 1201.
  • each step of the signal processing flow may be completed by an integrated logic circuit of hardware in the processor 1201 or an instruction in a form of software.
  • the processor 1201 can be a general purpose processor, a digital signal processor, an application specific integrated circuit, a field programmable gate array or other programmable logic device, a discrete gate or transistor logic device, a discrete hardware component, and can implement or perform the embodiments of the present disclosure.
  • a general purpose processor can be a microprocessor or any conventional processor or the like.
  • the steps of the method disclosed in connection with the embodiments of the present disclosure may be directly implemented as hardware processor execution completion or performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 1202, and the processor 1201 reads the information in the memory 1202 and completes the steps of the signal processing flow in conjunction with its hardware.
  • the processor 1201 is configured to read a program in the memory 1202 and execute the process performed by the access network node described in the foregoing embodiment.
  • the embodiment of the present application further provides one or more computer readable storage media, where the one or more computer readable storage media stores instructions that are executed by one or more processors.
  • the communication device is caused to perform the method described in the previous embodiments.
  • the embodiment of the present application further provides a computer readable storage medium storing computer executable instructions for causing one or more processors to execute the method described in the foregoing embodiments. .
  • 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.

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Abstract

本申请公开了一种MAC PDU传输方法及装置。在本申请中，发送设备生成MAC PDU，所述MAC PDU包括N个媒体接入控制控制单元MAC CE以及与所述N个MAC CE一一对应的N个MAC PDU子头，所述N个MACPDU子头中的至少一个MAC PDU子头中包括MAC CE扩展类型指示信息，用于指示对应的MAC CE为扩展类型的MAC CE，包含有MAC CE扩展类型指示信息的MAC PDU子头所对应的MAC CE中包括MAC CE类型索引，用于指示该MAC CE所属的扩展类型，N为大于或等于1的整数；所述发送设备发送所述MAC PDU。

Description

MAC PDU传输方法及装置
相关申请的交叉引用
本申请主张在2018年4月2日在中国提交的中国专利申请号No.201810284406.5的优先权，其全部内容通过引用包含于此。
技术领域
本申请涉及通信领域，尤其涉及一种媒体接入控制(Media Access Control，MAC)协议数据单元(Protocol Data Unit，PDU)传输方法及装置。
背景技术
在5G系统中，引入了MAC控制单元(Control Element，CE)类型，用来控制多输入多输出(Multiple Input and Multiple Output，MIMO)、波束管理(Beam Management)的切换等。相关技术中的协议中MAC CE索引使用逻辑信道标识(logical channel identify，LCID)。
LCID长度为6比特，可以标识64个MAC CE类型和逻辑信道。相关技术中的协议中除去用于标识逻辑信道的LCID值以外，还剩几十个LCID值用于标识MAC CE类型。
5G系统中，需要引入更多的MAC CE类型。而相关技术中用于标识MAC CE类型的LCID的取值范围已经无法满足5G系统对MAC CE类型进行扩展的系统。因此，如何在5G系统中对扩展的MAC CE类型进行标识，是需要解决的问题。
发明内容
本申请的目的就是针对上述问题，提供一种MAC PDU传输方法及装置，用于在MAC PDU中标识扩展的MAC CE类型。
第一方面，本申请的一个实施例提供一种MAC PDU传输方法，该方法包括：
发送设备生成MAC PDU，所述MAC PDU包括N个媒体接入控制控制 单元MAC CE以及与所述N个MAC CE一一对应的N个MAC PDU子头，所述N个MAC PDU子头中的至少一个MAC PDU子头中包括MAC CE扩展类型指示信息，用于指示对应的MAC CE为扩展类型的MAC CE，包含有MAC CE扩展类型指示信息的MAC PDU子头所对应的MAC CE中包括MAC CE类型索引，用于指示该MAC CE所属的扩展类型，N为大于或等于1的整数；
所述发送设备发送所述MAC PDU。
可选地，所述MAC CE扩展类型指示信息承载于MAC PDU子头中的逻辑信道标识LCID字段，所述MAC CE扩展类型指示信息的值为MAC CE类型标识取值范围中的一个可用值。
可选地，所述MAC CE类型索引的长度为N个字节，N为大于或等于1的整数；或者，
所述MAC CE类型索引的长度为N个字节中的(N×8－M)个比特，N为大于或等于1的整数，M为整数，1≤M≤7。
可选地，若所述MAC CE类型索引为N个字节中的(N×8-M)个比特，则所述MAC CE类型索引中包括长度扩展指示信息，所述长度扩展指示信息占用所述N个字节的其余比特中的至少一个比特，所述长度扩展指示信息用于指示所述MAC CE类型索引的长度是否进行了扩展。
可选地，所述MAC PDU映射到下行共享信道发送，或者映射到上行共享信道发送。
第二方面，本申请的一个实施例提供一种MAC PDU传输方法，该方法包括：
接收设备接收MAC PDU，所述MAC PDU包括N个媒体接入控制控制单元MAC CE以及与所述N个MAC CE一一对应的N个MAC PDU子头，所述N个MAC PDU子头中的至少一个MAC PDU子头中包括MAC CE扩展类型指示信息，用于指示对应的MAC CE为扩展类型的MAC CE，包含有MAC CE扩展类型指示信息的MAC PDU子头所对应的MAC CE中包括MAC CE类型索引，用于指示该MAC CE所属的扩展类型，N为大于或等于1的整数；
所述接收设备根据所述MAC CE扩展类型指示信息和所述MAC CE类型索引，确定所述MAC CE的类型。
可选地，所述MAC CE扩展类型指示信息承载于MAC PDU子头中的逻辑信道标识LCID字段，所述MAC CE扩展类型指示信息的值为MAC CE类型标识取值范围中的一个可用值。
可选地，所述MAC CE类型索引的长度为N个字节，N为大于或等于1的整数；或者，
所述MAC CE类型索引的长度为N个字节中的(N×8－M)个比特，N为大于或等于1的整数，M为整数，1≤M≤7。
可选地，若所述MAC CE类型索引为N个字节中的(N×8-M)个比特，则所述MAC CE类型索引中包括长度扩展指示信息，所述长度扩展指示信息占用所述N个字节的其余比特中的至少一个比特，所述长度扩展指示信息用于指示所述MAC CE类型索引的长度是否进行了扩展。
可选地，所述MAC PDU映射到下行共享信道发送，或者映射到上行共享信道发送。
第三方面，本申请的一个实施例提供一种MAC PDU传输装置，该装置包括：
生成模块，用于发送设备生成MAC PDU，所述MAC PDU包括N个媒体接入控制控制单元MAC CE以及与所述N个MAC CE一一对应的N个MAC PDU子头，所述N个MAC PDU子头中的至少一个MAC PDU子头中包括MAC CE扩展类型指示信息，用于指示对应的MAC CE为扩展类型的MAC CE，包含有MAC CE扩展类型指示信息的MAC PDU子头所对应的MAC CE中包括MAC CE类型索引，用于指示该MAC CE所属的扩展类型，N为大于或等于1的整数；
发送模块，用于所述发送设备发送所述MAC PDU。
所述MAC CE扩展类型指示信息承载于MAC PDU子头中的逻辑信道标识LCID字段，所述MAC CE扩展类型指示信息的值为MAC CE类型标识取值范围中的一个可用值。
可选地，所述MAC CE类型索引的长度为N个字节，N为大于或等于1 的整数；或者，
所述MAC CE类型索引的长度为N个字节中的(N×8－M)个比特，N为大于或等于1的整数，M为整数，1≤M≤7。
可选地，若所述MAC CE类型索引为N个字节中的(N×8-M)个比特，则所述MAC CE类型索引中包括长度扩展指示信息，所述长度扩展指示信息占用所述N个字节的其余比特中的至少一个比特，所述长度扩展指示信息用于指示所述MAC CE类型索引的长度是否进行了扩展。
可选地，所述MAC PDU映射到下行共享信道发送，或者映射到上行共享信道发送。
第四方面，本申请的一个实施例提供一种MAC PDU传输装置，该装置包括：
接收模块，用于接收设备接收MAC PDU，所述MAC PDU包括N个媒体接入控制控制单元MAC CE以及与所述N个MAC CE一一对应的N个MAC PDU子头，所述N个MAC PDU子头中的至少一个MAC PDU子头中包括MAC CE扩展类型指示信息，用于指示对应的MAC CE为扩展类型的MAC CE，包含有MAC CE扩展类型指示信息的MAC PDU子头所对应的MAC CE中包括MAC CE类型索引，用于指示该MAC CE所属的扩展类型，N为大于或等于1的整数；
确定模块，用于所述接收设备根据所述MAC CE扩展类型指示信息和所述MAC CE类型索引，确定所述MAC CE的类型。
可选地，所述MAC CE扩展类型指示信息承载于MAC PDU子头中的逻辑信道标识LCID字段，所述MAC CE扩展类型指示信息的值为MAC CE类型标识取值范围中的一个可用值。
可选地，所述MAC CE类型索引的长度为N个字节，N为大于或等于1的整数；或者，
所述MAC CE类型索引的长度为N个字节中的(N×8－M)个比特，N为大于或等于1的整数，M为整数，1≤M≤7。
可选地，若所述MAC CE类型索引为N个字节中的(N×8-M)个比特，则所述MAC CE类型索引中包括长度扩展指示信息，所述长度扩展指示信息 占用所述N个字节的其余比特中的至少一个比特，所述长度扩展指示信息用于指示所述MAC CE类型索引的长度是否进行了扩展。
可选地，所述MAC PDU映射到下行共享信道发送，或者映射到上行共享信道发送。
第五方面，提供一种装置，包括：一个或多个处理器；以及一个或多个计算机可读存储介质，所述一个或多个计算机可读存储介质上存储有指令，所述指令被所述一个或多个处理器执行时，使得所述装置执行上述第一方面中任一项所述的方法。
第六方面，提供一种计算机可读存储介质，所述计算机可读存储介质上存储有计算机可执行指令，所述计算机可执行指令用于使一个或多个处理器执行上述第一方面中任一项所述的方法。
第七方面，提供一种装置，包括：一个或多个处理器；以及一个或多个计算机可读存储介质，所述一个或多个计算机可读存储介质上存储有指令，所述指令被所述一个或多个处理器执行时，使得所述装置执行上述第二方面中任一项所述的方法。
第八方面，提供一种计算机可读存储介质，所述计算机可读存储介质上存储有计算机可执行指令，所述计算机可执行指令用于使一个或多个处理器执行上述第二方面中任一项所述的方法。
本申请的上述实施例中，如果MAC PDU中需要包含扩展类型的MAC CE，则一方面，在该MAC CE对应的MAC PDU子头中设置MAC CE扩展类型指示信息，用于指示该MAC CE为扩展类型的MAC CE；另一方面，在该MAC CE中设置MAC CE类型索引，以指示该MAC CE的具体扩展类型。可以看出，通过两级指示信息(第一级指示信息为MAC CE扩展类型指示信息，第二级指示信息为MAC CE类型索引)，可以标识出扩展类型的MAC CE所属的具体类型。
附图说明
图1a、图1b和图1c分别为相关技术中MAC CE对应的MAC PDU子头的结构示意图；
图2、图3、图4、图5分别为本申请实施例提供的MAC CE对应的MAC PDU子头的结构示意图；
图6为本申请实施例提供的相关技术的一种MAC CE对应的MAC PDU子头的结构示意图；
图7为本申请实施例提供的一种MAC CE对应的MAC PDU子头的结构示意图；
图8为本申请实施例提供的一种MAC PDU传输方法流程示意图；
图9为本申请实施例提供的一种MAC PDU传输装置示意图；
图10为本申请实施例提供的一种MAC PDU传输装置示意图；
图11为本申请实施例提供的网络功能实体的结构示意图；
图12为本申请实施例提供的网络功能实体的结构示意图。
具体实施方式
关于长期演进(long term evolution，LTE)系统中的MAC层，位于Uu接口的无线链路层控制协议(Radio Link Control，RLC)层与物理层(physical layer，PHY)之间。
LTE系统中的调度功能在MAC层实现，通过MAC层调度和控制物理层的工作。PDU是MAC层的协议数据单元，是由按字节(8比特)排布的字符串组成。服务数据单元(Service Data Unit，SDU)又叫业务数据单元，是指定层的用户服务的数据集，可封装在MAC PDU中发送。MAC SDU由高层协议信息单元传送到低层协议。
一个MAC PDU由MAC头(MAC header)、MAC CE、MAC SDU以及可能存在的填充部分组成。其中，MAC头的数量为1个；MAC CE的数量为一个或多个，也可能不包含MAC CE；MAC SDU的数量为一个或多个，也可能不包含MAC SDU；填充部分根据具体情况可能存在也可能不存在。MAC头和MAC SDU的长度可变。
MAC CE位于所有MAC SDU的前面，填充部分位于MAC PDU的末尾处。
MAC头包含一个或多个MAC PDU子头，每个MAC PDU子头对应一个 MAC SDU或一个MAC CE或一个填充部分。MAC PDU子头的顺序与对应的MAC SDU、MAC CE以及填充部分的顺序一致。
图1a示出了相关技术中，与MAC CE对应的MAC PDU子头的一种结构。
如图1a所示，该MAC PDU子头中包括：R字段、F字段、LCID字段以及8比特长度的L字段，其中：
–R字段：保留比特，该字段长度为1比特。
–F字段：格式字段，长度为1比特，用于指示长度字段L的大小。如果大小可变的MAC CE的长度小于128字节，则F字段的值被设置为0，否则其被设置为1。
–LCID：逻辑信道标识。用于标识对应的MAC CE的类型。针对每个MAC CE，其对应的MAC PDU子头中均有一个LCID字段。
–L：长度字段，以字节来指示大小可变的MAC CE长度。
图1b示出了相关技术中，与MAC CE对应的MAC PDU子头的另一种结构。
如图1b所示，该MAC PDU子头中包括：R字段、F字段、LCID字段以及16比特长度的L字段。其中，各字段的含义可参照图1a所示的MAC PDU子头的相关说明。
图1c示出了相关技术中，与MAC CE对应的MAC PDU子头的另一种结构。
如图1c所示，该MAC PDU子头中包括：2个R字段、LCID字段。其中，各字段的含义可参照图1a所示的MAC PDU子头的相关说明。
MAC PDU可映射到下行共享信道(Downlink-Shared Channel，DL-SCH)或映射到上行共享信道(Uplink-Shared Channel，UL-SCH)。
当MAC PDU映射到DL-SCH时，MAC PDU子头中的LCID字段的取值可如表1所示。
表1：DL-SCH的LCID的取值
Figure PCTCN2019080059-appb-000001
Figure PCTCN2019080059-appb-000002
当MAC PDU映射到UL-SCH时，MAC PDU子头中的LCID字段的取值可如表2所示。
表2：UL-SCH的LCID的取值
Figure PCTCN2019080059-appb-000003
随着MAC协议子层功能的增强，5G系统引入大量新的MAC CE类型。在相关技术中的MAC协议中，LCID字段用于指示MAC CE类型，如上述表1或表2所示。但是，相关技术中，LCID的取值范围，限制了MAC CE类型的数量，即相关技术中的LCID取值范围无法对5G系统引入的大量新的MAC CE类型进行标识。
为了对扩展得到的新MAC CE类型进行标识，以满足未来空口通信的需要，本申请实施例提供了一种MAC PDU传输方法。
本申请实施例中，如果MAC PDU中需要包含扩展类型的MAC CE(即新类型的MAC CE)，则一方面，在该MAC CE对应的MAC PDU子头中设置MAC CE扩展类型指示信息，用于指示该MAC CE为扩展类型的MAC CE；另一方面，在该MAC CE中设置MAC CE类型索引，以指示该MAC CE的具体扩展类型。即通过两级指示(第一级指示为MAC CE扩展类型指示信息，第二级指示为MAC CE类型索引)，可以标识出扩展类型的MAC CE所属的具体类型。
下面结合附图，对本申请实施例进行详细描述。
本申请实施例中，针对扩展类型的MAC CE其MAC PDU子头中需要设置MAC CE扩展类型指示信息，用于指示该MAC CE为扩展类型的MAC CE。
为了提高与相关技术中协议的兼容性，可选地，本申请实施例中，可在不改变相关技术中MAC PDU子头的结构的情况下，在MAC PDU子头中设置MAC CE扩展类型指示信息。
具体地，在一种可能的实现方式中，MAC CE扩展类型指示信息承载于MAC PDU子头中的LCID字段，该MAC CE扩展类型指示信息的值为MAC CE类型标识取值范围中的一个可用值，比如可以是预留取值范围中的一个值。
举例来说，如果MAC PDU映射到DL-SCH上发送，MAC PDU子头中的LCID取值可如表1所示。其中，100001–110111取值范围为预留取值范围，可将该范围中的一个值定义为MAC CE扩展类型指示信息的取值。比如，可将预留取值范围中的100001作为MAC CE扩展类型指示信息的取值，定义后的DL-SCH的LCID的取值可如表3所示。
表3：DL-SCH的LCID的取值
Figure PCTCN2019080059-appb-000004
Figure PCTCN2019080059-appb-000005
再举例来说，如果MAC PDU映射到UL-SCH上发送，MAC PDU子头中的LCID取值可如表2所示。其中，100001–110110取值范围为预留取值范围，可将该范围中的一个值定义为MAC CE扩展类型指示信息的取值。比如，可将预留取值范围中的110110作为MAC CE扩展类型指示信息的取值，定义后的UL-SCH的LCID的取值可如表4所示。
表4：UL-SCH的LCID的取值
Figure PCTCN2019080059-appb-000006
Figure PCTCN2019080059-appb-000007
基于以上描述，当需要在MAC PDU中携带扩展类型的MAC CE时，该MAC CE对应的MAC PDU子头的结构可如图1a、图1b或图1c所示。其中，LCID字段的取值为本申请实施例所定义的MAC CE扩展类型指示信息的取值。
需要说明的是，上述“MAC CE扩展类型指示信息”的命名方式仅为一种示例，本申请对该指示信息的命名方式不作限制，与该指示信息的作用相同的指示信息或标识等信息，均在本申请的保护范围之内。
为了在MAC PDU中指示出扩展类型的MAC CE具体所属的类型，本申请实施例中，在该扩展MAC CE中添加了一个字段，用来指示该MAC CE的具体类型。
本申请实施例中将该新增加的字段命名为“MAC CE类型索引”。上述“MAC CE类型索引”的命名方式仅为一种示例，本申请对该信息的命名方式不作限制，与该信息的作用相同的指示信息或标识等信息，均在本申请的保护范围之内。
一个MAC CE类型索引可以唯一指示一个MAC CE类型(该MAC CE类型为新的类型，即扩展的类型)。
MAC CE类型索引字段的长度为N个字节，N为大于或等于1的整数，即是整数倍字节，比如可以是1个字节(8比特)或2个字节(16比特)。MAC CE类型索引字段的长度也可以不是整数倍字节，该长度可表示为(N×8－M)个比特，N为大于或等于1的整数，M为整数，1≤M≤7，比如，可以是7比特或15比特。MAC CE类型索引字段的长度具体可根据系统的需要灵活定义。
表5示例性地示出了映射到DL-SCH的MAC CE扩展类型。
表5：DL-SCH的MAC CE扩展类型
类型索引 类型说明
0000000 Type 0
0000001 Type 1
…… ……
1111111 Type n
表6示例性地示出了映射到UL-SCH的MAC CE扩展类型。
表6：UL-SCH的MAC CE扩展类型
类型索引 类型说明
0000000 Type 0
0000001 Type 1
…… ……
1111111 Type n
本申请实施例中，扩展类型的MAC CE可包括以下两个基本组成部分：
(1)MAC CE的内容，即具体的控制信息内容；
(2)MAC CE类型索引。
如果扩展类型的MAC CE中的MAC CE类型索引字段的长度不是整数倍字节长度，则在上述基本组成部分的基础上，扩展类型的MAC CE中还可包括：长度扩展指示信息，该信息可占用一个或多个比特，用于指示MAC CE类型索引的长度是否进行了扩展。
需要说明的是，上述涉及的MAC CE三个可能的组成部分在MAC CE中的前后位置可以灵活定义，本申请在此不做具体限定。
需要说明的是，上述“长度扩展指示信息”的命名方式仅为一种示例，本申请对该指示信息的命名方式不作限制，与该指示信息的作用相同的指示信息或标识等信息，均在本申请的保护范围之内。
比如，该长度扩展指示信息占用1个比特，当取值为0时，则指示MAC CE类型索引的长度没有扩展，即MAC CE类型索引的长度为7比特；该长度扩展指示信息取值为1时，则指示MAC CE类型索引的长度进行了扩展，即MAC CE类型索引的长度为15比特。
图2示例性的示出了一种扩展类型MAC CE的结构，该MAC CE的类型索引长度为7比特。如图2所示，该MAC CE可包括：
E字段：长度扩展指示信息，长度为1个比特，取值为0，用于指示MAC CE类型索引的长度没有扩展；
MAC CE类型索引：长度为7比特；
MAC CE具体控制信息内容。
图3示例性的示出了一种扩展类型MAC CE的结构，该MAC CE的类型索引长度为15比特。如图3所示，该MAC CE可包括：
E字段：长度扩展指示信息，长度为1个比特，取值为1，用于指示MAC CE类型索引的长度进行了扩展；
MAC CE类型索引：长度为15比特；
MAC CE具体控制信息内容。
图4示例性的示出了一种扩展类型MAC CE的结构，该MAC CE的类型索引长度为8比特。如图4所示，该MAC CE可包括：
MAC CE类型索引：长度为8比特；
MAC CE具体控制信息内容。
图5示例性的示出了一种扩展类型MAC CE的结构，该MAC CE的类型索引长度为16比特。如图5所示，该MAC CE可包括：
MAC CE类型索引：长度为16比特；
MAC CE具体控制信息内容。
在另一种可能的实现方式中，在协议中C-RNTI CE格式如图6所示。图7示出了MAC CE类型索引为7比特的扩展类型的MAC CE的格式。结合图6和图7可以看出采用本申请实施例提供的方法可以实现MAC CE类型的扩展。
基于上述实施例，本申请实施例提供一种MAC PDU传输方法，在发送设备一侧，如图8所示，该方法包括：
S801：发送设备生成MAC PDU。
如果发送设备需要通过该MAC PDU发送扩展类型的MAC CE，则该MAC CE对应的MAC PDU子头中包括MAC CE扩展类型指示信息，用于指示对应的MAC CE为扩展类型的MAC CE，并且该MAC CE中设置MAC CE类型索引，用于指示该MAC CE所述的扩展类型。
具体实现方式参见前述实施例，在此不再重复。
S802：发送设备发送所述MAC PDU。
本申请实施例还提供一种MAC PDU传输方法，在接收设备一侧，该方法包括：
S803：接收设备接收所述发送设备发送的MAC PDU。
S804：接收设备根据所述MAC CE扩展类型指示信息和所述MAC CE 类型索引，确定所述MAC CE的类型。
需要说明的是，本申请实施例中，所述MAC PDU映射到上行共享信道发送时，“发送设备”可以是“终端”，“接收设备”可以是“基站”；所述MAC PDU映射到下行共享信道发送时，“发送设备”可以是“基站”，“接收设备”可以是“终端”。
基于相同的技术构思，本申请实施例还提供了一种MAC PDU传输装置，参见图9，本申请实施例提供的装置包括：
生成模块901，用于发送设备生成MAC PDU，所述MAC PDU包括N个媒体接入控制控制单元MAC CE以及与所述N个MAC CE一一对应的N个MAC PDU子头，所述N个MAC PDU子头中的至少一个MAC PDU子头中包括MAC CE扩展类型指示信息，用于指示对应的MAC CE为扩展类型的MAC CE，包含有MAC CE扩展类型指示信息的MAC PDU子头所对应的MAC CE中包括MAC CE类型索引，用于指示该MAC CE所属的扩展类型，N为大于或等于1的整数。
发送模块902，用于所述发送设备发送所述MAC PDU。
基于相同的技术构思，本申请实施例还提供了一种MAC PDU传输装置，参见图10，本申请实施例提供的装置包括：
接收模块1001，用于接收设备生成MAC PDU，所述MAC PDU包括N个媒体接入控制控制单元MAC CE以及与所述N个MAC CE一一对应的N个MAC PDU子头，所述N个MAC PDU子头中的至少一个MAC PDU子头中包括MAC CE扩展类型指示信息，用于指示对应的MAC CE为扩展类型的MAC CE，包含有MAC CE扩展类型指示信息的MAC PDU子头所对应的MAC CE中包括MAC CE类型索引，用于指示该MAC CE所属的扩展类型，N为大于或等于1的整数。
确定模块1002，用于所述接收设备根据所述MAC CE扩展类型指示信息和所述MAC CE类型索引，确定所述MAC CE的类型。
基于相同的技术构思，本申请实施例还提供了一种装置，如图11所示，包括：处理器1101、存储器1102、收发机1103以及总线接口。该装置可实现前述实施例描述的对象处理流程。
处理器1101负责管理总线架构和通常的处理，存储器1102可以存储处理器1101在执行操作时所使用的数据。收发机1103用于在处理器1101的控制下接收和发送数据。
总线架构可以包括任意数量的互联的总线和桥，具体由处理器1101代表的一个或多个处理器和存储器1102代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起，这些都是本领域所公知的，因此，本文不再对其进行进一步描述。总线接口提供接口。处理器1101负责管理总线架构和通常的处理，存储器1102可以存储处理器1101在执行操作时所使用的数据。
本公开实施例揭示的流程，可以应用于处理器1101中，或者由处理器1101实现。在实现过程中，信号处理流程的各步骤可以通过处理器1101中的硬件的集成逻辑电路或者软件形式的指令完成。处理器1101可以是通用处理器、数字信号处理器、专用集成电路、现场可编程门阵列或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件，可以实现或者执行本公开实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者任何常规的处理器等。结合本公开实施例所公开的方法的步骤可以直接体现为硬件处理器执行完成，或者用处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器1102，处理器1101读取存储器1102中的信息，结合其硬件完成信号处理流程的步骤。
具体地，处理器1101，用于读取存储器1102中的程序并执行前述实施例描述的由接入网节点执行的流程。
基于相同的技术构思，本申请实施例还提供了一种装置，如图12所示，包括：处理器1201、存储器1202、收发机1203以及总线接口。该装置可实现前述实施例描述的对象处理流程。
处理器1201负责管理总线架构和通常的处理，存储器1202可以存储处理器1201在执行操作时所使用的数据。收发机1203用于在处理器1201的控制下接收和发送数据。
总线架构可以包括任意数量的互联的总线和桥，具体由处理器1201代表的一个或多个处理器和存储器1202代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起，这些都是本领域所公知的，因此，本文不再对其进行进一步描述。总线接口提供接口。处理器1201负责管理总线架构和通常的处理，存储器1202可以存储处理器1201在执行操作时所使用的数据。
本公开实施例揭示的流程，可以应用于处理器1201中，或者由处理器1201实现。在实现过程中，信号处理流程的各步骤可以通过处理器1201中的硬件的集成逻辑电路或者软件形式的指令完成。处理器1201可以是通用处理器、数字信号处理器、专用集成电路、现场可编程门阵列或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件，可以实现或者执行本公开实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者任何常规的处理器等。结合本公开实施例所公开的方法的步骤可以直接体现为硬件处理器执行完成，或者用处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器1202，处理器1201读取存储器1202中的信息，结合其硬件完成信号处理流程的步骤。
具体地，处理器1201，用于读取存储器1202中的程序并执行前述实施例描述的由接入网节点执行的流程。
基于相同的技术构思，本申请实施例还提供了一个或多个计算机可读存储介质，所述一个或多个计算机可读存储介质上存储有指令，所述指令被一个或多个处理器执行时，使得通信设备执行前述实施例描述的方法。
基于相同的技术构思，本申请实施例还提供了一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令用于使一个或多个处理器执行前述实施例描述的方法。
本申请是参照根据本申请实施例的方法、设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程 和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器，使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的计算机可读存储器中，使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品，该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上，使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理，从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。
尽管已描述了本申请的可选实施例，但本领域内的技术人员一旦得知了基本创造性概念，则可对这些实施例作出另外的变更和修改。所以，所附权利要求意欲解释为包括可选实施例以及落入本申请范围的所有变更和修改。
显然，本领域的技术人员可以对本申请进行各种改动和变型而不脱离本申请的精神和范围。这样，倘若本申请的这些修改和变型属于本申请权利要求及其等同技术的范围之内，则本申请也意图包含这些改动和变型在内。

Claims (24)

  1. 一种媒体接入控制协议数据单元MAC PDU传输方法，包括：
    发送设备生成MAC PDU，所述MAC PDU包括N个媒体接入控制控制单元MAC CE以及与所述N个MAC CE一一对应的N个MAC PDU子头，所述N个MAC PDU子头中的至少一个MAC PDU子头中包括MAC CE扩展类型指示信息，用于指示对应的MAC CE为扩展类型的MAC CE，包含有MAC CE扩展类型指示信息的MAC PDU子头所对应的MAC CE中包括MAC CE类型索引，用于指示该MAC CE所属的扩展类型，N为大于或等于1的整数；
    所述发送设备发送所述MAC PDU。
  2. 如权利要求1所述的方法，其中，所述MAC CE扩展类型指示信息承载于MAC PDU子头中的逻辑信道标识LCID字段，所述MAC CE扩展类型指示信息的值为MAC CE类型标识取值范围中的一个可用值。
  3. 如权利要求1所述的方法，其中，所述MAC CE类型索引的长度为N个字节，N为大于或等于1的整数；或者，
    所述MAC CE类型索引的长度为N个字节中的(N×8－M)个比特，N为大于或等于1的整数，M为整数，1≤M≤7。
  4. 如权利要求1所述的方法，其中，若所述MAC CE类型索引为N个字节中的(N×8-M)个比特，则所述MAC CE类型索引中包括长度扩展指示信息，所述长度扩展指示信息占用所述N个字节的其余比特中的至少一个比特，所述长度扩展指示信息用于指示所述MAC CE类型索引的长度是否进行了扩展。
  5. 如权利要求1至4中任一项所述的方法，其中，所述MAC PDU映射到下行共享信道发送，或者映射到上行共享信道发送。
  6. 一种MAC PDU传输方法，包括：
    接收设备接收MAC PDU，所述MAC PDU包括N个媒体接入控制控制单元MAC CE以及与所述N个MAC CE一一对应的N个MAC PDU子头，所述N个MAC PDU子头中的至少一个MAC PDU子头中包括MAC CE扩展 类型指示信息，用于指示对应的MAC CE为扩展类型的MAC CE，包含有MAC CE扩展类型指示信息的MAC PDU子头所对应的MAC CE中包括MAC CE类型索引，用于指示该MAC CE所属的扩展类型，N为大于或等于1的整数；
    所述接收设备根据所述MAC CE扩展类型指示信息和所述MAC CE类型索引，确定所述MAC CE的类型。
  7. 如权利要求6所述的方法，其中，所述MAC CE扩展类型指示信息承载于MAC PDU子头中的逻辑信道标识LCID字段，所述MAC CE扩展类型指示信息的值为MAC CE类型标识取值范围中的一个可用值。
  8. 如权利要求6所述的方法，其中，所述MAC CE类型索引的长度为N个字节，N为大于或等于1的整数；或者，
    所述MAC CE类型索引的长度为N个字节中的(N×8－M)个比特，N为大于或等于1的整数，M为整数，1≤M≤7。
  9. 如权利要求6所述的方法，其中，若所述MAC CE类型索引为N个字节中的(N×8-M)个比特，则所述MAC CE类型索引中包括长度扩展指示信息，所述长度扩展指示信息占用所述N个字节的其余比特中的至少一个比特，所述长度扩展指示信息用于指示所述MAC CE类型索引的长度是否进行了扩展。
  10. 如权利要求6至9中任一项所述的方法，其中，所述MAC PDU映射到下行共享信道发送，或者映射到上行共享信道发送。
  11. 一种MAC PDU传输装置，包括：
    生成模块，用于发送设备生成MAC PDU，所述MAC PDU包括N个媒体接入控制控制单元MAC CE以及与所述N个MAC CE一一对应的N个MAC PDU子头，所述N个MAC PDU子头中的至少一个MAC PDU子头中包括MAC CE扩展类型指示信息，用于指示对应的MAC CE为扩展类型的MAC CE，包含有MAC CE扩展类型指示信息的MAC PDU子头所对应的MAC CE中包括MAC CE类型索引，用于指示该MAC CE所属的扩展类型，N为大于或等于1的整数；
    发送模块，用于所述发送设备发送所述MAC PDU。
  12. 如权利要求11所述的装置，其中，所述MAC CE扩展类型指示信息承载于MAC PDU子头中的逻辑信道标识LCID字段，所述MAC CE扩展类型指示信息的值为MAC CE类型标识取值范围中的一个可用值。
  13. 如权利要求11所述的装置，其中，所述MAC CE类型索引的长度为N个字节，N为大于或等于1的整数；或者，
    所述MAC CE类型索引的长度为N个字节中的(N×8－M)个比特，N为大于或等于1的整数，M为整数，1≤M≤7。
  14. 如权利要求11所述的装置，其中，若所述MAC CE类型索引为N个字节中的(N×8-M)个比特，则所述MAC CE类型索引中包括长度扩展指示信息，所述长度扩展指示信息占用所述N个字节的其余比特中的至少一个比特，所述长度扩展指示信息用于指示所述MAC CE类型索引的长度是否进行了扩展。
  15. 如权利要求11至14中任一项所述的装置，其中，所述MAC PDU映射到下行共享信道发送，或者映射到上行共享信道发送。
  16. 一种MAC PDU传输装置，包括：
    接收模块，用于接收设备接收MAC PDU，所述MAC PDU包括N个媒体接入控制控制单元MAC CE以及与所述N个MAC CE一一对应的N个MAC PDU子头，所述N个MAC PDU子头中的至少一个MAC PDU子头中包括MAC CE扩展类型指示信息，用于指示对应的MAC CE为扩展类型的MAC CE，包含有MAC CE扩展类型指示信息的MAC PDU子头所对应的MAC CE中包括MAC CE类型索引，用于指示该MAC CE所属的扩展类型，N为大于或等于1的整数；
    确定模块，用于所述接收设备根据所述MAC CE扩展类型指示信息和所述MAC CE类型索引，确定所述MAC CE的类型。
  17. 如权利要求16所述的装置，其中，所述MAC CE扩展类型指示信息承载于MAC PDU子头中的逻辑信道标识LCID字段，所述MAC CE扩展类型指示信息的值为MAC CE类型标识取值范围中的一个可用值。
  18. 如权利要求16所述的装置，其中，所述MAC CE类型索引的长度为N个字节，N为大于或等于1的整数；或者，
    所述MAC CE类型索引的长度为N个字节中的(N×8－M)个比特，N为大于或等于1的整数，M为整数，1≤M≤7。
  19. 如权利要求16所述的装置，其中，若所述MAC CE类型索引为N个字节中的(N×8-M)个比特，则所述MAC CE类型索引中包括长度扩展指示信息，所述长度扩展指示信息占用所述N个字节的其余比特中的至少一个比特，所述长度扩展指示信息用于指示所述MAC CE类型索引的长度是否进行了扩展。
  20. 如权利要求16至19中任一项所述的装置，其中，所述MAC PDU映射到下行共享信道发送，或者映射到上行共享信道发送。
  21. 一种装置，包括：一个或多个处理器；以及一个或多个计算机可读存储介质，所述一个或多个计算机可读存储介质上存储有指令，所述指令被所述一个或多个处理器执行时，使得所述装置执行如权利要求1至5任一项所述的方法。
  22. 一种装置，包括：一个或多个处理器；以及一个或多个计算机可读存储介质，所述一个或多个计算机可读存储介质上存储有指令，所述指令被所述一个或多个处理器执行时，使得所述装置执行如权利要求6至10任一项所述的方法。
  23. 一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令用于使一个或多个处理器执行如权利要求1至5任一项所述的方法。
  24. 一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令用于使一个或多个处理器执行如权利要求6至10任一项所述的方法。
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