WO2014078981A1 - Procédé, équipement de réseau et équipement utilisateur servant à ordonnancer des ressources radio - Google Patents

Procédé, équipement de réseau et équipement utilisateur servant à ordonnancer des ressources radio Download PDF

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Publication number
WO2014078981A1
WO2014078981A1 PCT/CN2012/084866 CN2012084866W WO2014078981A1 WO 2014078981 A1 WO2014078981 A1 WO 2014078981A1 CN 2012084866 W CN2012084866 W CN 2012084866W WO 2014078981 A1 WO2014078981 A1 WO 2014078981A1
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WIPO (PCT)
Prior art keywords
user equipment
dynamic scheduling
scheduling signaling
signaling
information
Prior art date
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PCT/CN2012/084866
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English (en)
Chinese (zh)
Inventor
周明宇
李强
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201280040025.3A priority Critical patent/CN103959880B/zh
Priority to PCT/CN2012/084866 priority patent/WO2014078981A1/fr
Publication of WO2014078981A1 publication Critical patent/WO2014078981A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling

Definitions

  • the present invention relates to the field of communications, and in particular, to a method, a network device, and a user equipment for scheduling radio resources in the communication field. Background technique
  • an evolved base station evolved Node B, referred to as "eNB or e-NodeB
  • eNB evolved Node B
  • User Equipment User Equipment
  • the dynamic scheduling signaling is sent to the UE, and the UE may receive or send data according to the dynamic scheduling signaling, where the dynamic scheduling signaling includes a frequency band scheduled by the eNB for the UE, and a modulation and coding scheme used. (Modulation and Coding Scheme, the tube is called “MCS”) and other information.
  • MCS Modulation and Coding Scheme
  • the eNB may also send semi-persistent scheduling signaling to the UE.
  • the UE will always perform data according to the semi-persistent scheduling signaling before receiving the new scheduling signaling for the next time. If the UE receives dynamic scheduling signaling, the UE will only perform limited data transmission according to the dynamic scheduling signaling.
  • the system frequency band is divided into sub-carriers with a minimum granularity, and one physical resource block (Physical Resource Block, referred to as "PRB”) includes 12 sub-carriers.
  • PRB Physical Resource Block
  • the eNB sends dynamic scheduling signaling to the UE,
  • the UE may receive a physical uplink shared channel (Physical Uplink Shared Channel, called "PUSCH”) in the corresponding frequency band, so that the UE can respond to the dynamic downlink shared channel (“PUSCH”) in the corresponding frequency band.
  • PUSCH Physical Uplink Shared Channel
  • the scheduling signaling performs data reception or transmission accordingly.
  • the network device usually receives information such as a wireless channel and interference according to the information of the wireless environment acquired before scheduling (for example, Signal to Interference-plus-Noise Ratio ("SINR") Determining a scheduling scheme for the UE, so that the scheduling scheme can be matched to the wireless environment, and the scheduling scheme cannot be changed in the current scheduling after the scheduling scheme is determined.
  • SINR Signal to Interference-plus-Noise Ratio
  • the fluctuation of the wireless environment may be large, so the scheduling scheme determined by the network device at one time is not necessarily suitable for the wireless environment when the data signal is actually transmitted, thereby possibly reducing the reliability of signal transmission.
  • the present invention provides a method, a network device, and a user equipment for scheduling wireless resources, which can provide High signal transmission reliability.
  • the first aspect provides a method for scheduling a radio resource, where the method includes: sending, to a first user equipment, first dynamic scheduling signaling, where the first dynamic scheduling signaling includes frequency information for indicating a frequency resource, and is used for Index information indicating the information bit; transmitting, by the information bit indicated by the index information, the second dynamic scheduling signaling of the first user equipment to the first user equipment; on the frequency resource indicated by the frequency information, according to the The second dynamic scheduling signaling of the first user equipment sends a downlink data signal to the first user equipment, or receives the second dynamic according to the first user equipment on the frequency resource indicated by the frequency information.
  • the uplink data signal sent by the scheduling signaling includes: sending, to a first user equipment, first dynamic scheduling signaling, where the first dynamic scheduling signaling includes frequency information for indicating a frequency resource, and is used for Index information indicating the information bit; transmitting, by the information bit indicated by the index information, the second dynamic scheduling signaling of the first user equipment to the first user equipment; on the frequency resource indicated by the frequency information,
  • the sending, by the information bit indicated by the index information, the second dynamic scheduling signaling of the first user equipment to the first user equipment including: Transmitting, by the multicast mode, a signaling packet identified by the group identifier to the first user equipment, where the signaling packet includes the second dynamic scheduling signaling of the first user equipment, and includes the first user equipment Second dynamic scheduling signaling of the second user equipment of the at least one user equipment, the information bit indicating the location of the second dynamic scheduling signaling of the first user equipment in the signaling packet.
  • the first user equipment and the second user equipment are scheduled to have the same transmission time interval.
  • the value of the group identifier is determined according to an identifier of a cell to which the first user equipment belongs.
  • the value of the group identifier is determined according to a number of a transmission time interval when the first user equipment is scheduled.
  • the size of the signaling packet is a fixed value; or the size of the signaling packet is notified by a network device by using a broadcast The first value; or the size of the signaling packet is determined according to at least one of system bandwidth, resource capacity of dynamic scheduling signaling, and number of bits of the index information.
  • the number of bits of the index information is a fixed value; or the number of bits of the index information is that the network device broadcasts The second value of the notification; or the number of bits of the index information is determined according to at least one of system bandwidth and resource capacity of dynamic scheduling signaling.
  • the first user equipment of the signaling packet and the second dynamic scheduling signaling of the second user equipment are the same length.
  • the length of the second dynamic scheduling signaling of the first user equipment is a pre-stored value; or the first user
  • the length of the second dynamic scheduling signaling of the device is a third value that the network device notifies by broadcasting.
  • the downlink data is sent to the first user equipment Before the signal or the uplink data signal sent by the first user equipment is received, the method further includes: sending, to the first user equipment, a length of the second dynamic scheduling signaling of the first user equipment, where the second user equipment is second The length of the dynamic scheduling signaling is different from the length of the second dynamic scheduling signaling of the at least one user equipment in the second user equipment, and the length of the second dynamic scheduling signaling of the first user equipment is used to make the first user
  • the device determines, according to the length, information bits of the second dynamic scheduling signaling that carries the first user equipment.
  • the first user equipment Transmitting the first dynamic scheduling signaling, including: sending the first dynamic scheduling signaling to the first user equipment in a first time period; sending the first information to the first user equipment on the information bit indicated by the index information
  • the second dynamic scheduling signaling of the user equipment, the second dynamic scheduling signaling of the first user equipment is sent to the first user equipment, where the first time period is The second time period belongs to different transmission time intervals.
  • the first user equipment includes at least one of the following information: modulation mode, coding rate, transmit antenna port, and precoding matrix indication.
  • the first user The second dynamic scheduling signaling of the device includes power control information
  • the receiving the uplink data signal sent by the first user equipment according to the second dynamic scheduling signaling of the first user equipment includes: receiving the first user equipment according to The second dynamic scheduling signaling of the first user equipment includes an uplink data signal sent by the power control information.
  • the method before the sending the downlink data signal to the first user equipment or receiving the uplink data signal sent by the first user equipment, the method includes: sending, to the first user equipment, an adjustment granularity, where the adjustment granularity is used to adjust, by the first user equipment, the value of the scheduling information included in the second dynamic scheduling signaling of the first user equipment according to the adjusted granularity.
  • the first user is at least one of the types of scheduling information included in the first dynamic scheduling signaling.
  • the type of scheduling information included in the second dynamic scheduling signaling of the first user equipment is When the first dynamic scheduling signaling includes the same type of scheduling information, the first dynamic scheduling signaling is used to indicate a subset of the scheduling information, and the second dynamic scheduling signaling of the first user equipment is used to indicate the standby An element in the subset of options.
  • the embodiment of the present invention provides a method for scheduling a radio resource, where the method includes: sending, to a user equipment, first dynamic scheduling signaling, where the first dynamic scheduling signaling includes frequency information for indicating a frequency resource, and Index information for indicating whether to adjust the scheduling scheme; when the index information indicates that the scheduling scheme is adjusted, determining, according to the index information, information bits for carrying the second dynamic scheduling signaling; sending the information to the user equipment on the information bit a second dynamic scheduling signaling, on the frequency resource indicated by the frequency information, sending a downlink data signal to the user equipment according to the second dynamic scheduling signaling, or receiving the user on the frequency resource indicated by the frequency information
  • Receiving the downlink data signal, or receiving the user on the frequency resource indicated by the frequency information Preparation of the first data signal according to the uplink
  • a third aspect provides a method for scheduling a radio resource, where the method includes: receiving, by a network device, first dynamic scheduling signaling, where the first dynamic scheduling signaling includes frequency information for indicating a frequency resource, and is used for indicating The index information of the information bit; receiving the second dynamic scheduling signaling of the first user equipment sent by the network device on the information bit indicated by the index information; and the frequency resource indicated by the frequency information, according to the first user
  • the second dynamic scheduling signaling of the device receives the downlink data signal sent by the network device, or the frequency resource indicated by the frequency information, according to the first
  • the second dynamic scheduling signaling of the user equipment sends an uplink data signal to the network device.
  • the receiving, by the information bit indicated by the index information, the second dynamic scheduling signaling of the first user equipment that is sent by the network device includes: receiving the network device a signaling packet that is identified by a group identifier, in a multicast or multicast manner, the signaling packet includes second dynamic scheduling signaling of the first user equipment, and includes at least the first user equipment A second dynamic scheduling signaling of the second user equipment of the user equipment, the information bit indicating a location of the second dynamic scheduling signaling of the first user equipment in the signaling packet.
  • the first user equipment and the second user equipment are scheduled to have the same transmission time interval.
  • the value of the group identifier is determined according to the identity of the cell to which the first user equipment belongs.
  • the value of the group identifier is determined according to a number of a transmission time interval when the first user equipment is scheduled.
  • the size of the signaling packet is a fixed value; or the size of the signaling packet is that the network device broadcasts The first value of the notification; or the size of the signaling packet is determined according to at least one of system bandwidth, resource capacity of dynamic scheduling signaling, and number of bits of the index information.
  • the number of bits of the index information is a fixed value; or the number of bits of the index information is that the network device broadcasts The second value of the notification; or the number of bits of the index information is determined according to at least one of system bandwidth and resource capacity of dynamic scheduling signaling.
  • the first user that the signaling packet includes The device and the second dynamic scheduling signaling of the second user equipment are the same length.
  • the length of the second dynamic scheduling signaling of the first user equipment is a pre-stored value; or the first user
  • the length of the second dynamic scheduling signaling of the device is a third value notified by the network device by broadcast.
  • the method further includes: receiving, by the network device, a length of the second dynamic scheduling signaling of the first user equipment, where the second dynamic scheduling of the first user equipment is The length of the signaling is different from the length of the second dynamic scheduling signaling of the at least one user equipment in the second user equipment; determining, according to the index information and the length of the second dynamic scheduling signaling of the first user equipment, An information bit carrying the second dynamic scheduling signaling of the first user equipment.
  • the receiving network device sends The first dynamic scheduling signaling includes: receiving the first dynamic scheduling signaling sent by the network device in a first time period; receiving, by the information bit indicated by the index information, the first user equipment sent by the network device
  • the second dynamic scheduling signaling includes: receiving, in the second time period, the second dynamic scheduling signaling of the first user equipment sent by the network device, where the first time period and the second time period belong to Different transmission time intervals.
  • the second dynamic scheduling signaling includes at least one of the following information: modulation mode, coding rate, transmit antenna port, and precoding matrix indication.
  • the first user The second dynamic scheduling signaling of the device includes the power control information, where the sending the uplink data signal to the network device according to the second dynamic scheduling signaling of the first user equipment, includes: according to the second dynamic of the first user equipment The power control information included in the scheduling signaling sends an uplink data signal to the network device.
  • the receiving the network Before the downlink data signal sent by the device or the downlink data signal is sent to the network device the method further includes: receiving an adjustment granularity of the second dynamic scheduling signaling of the first user equipment sent by the network device; determining, according to the adjusted granularity, The value of the scheduling information included in the second dynamic scheduling signaling of the first user equipment.
  • the first The type of the scheduling information included in the second dynamic scheduling signaling of the user equipment is at least one of the types of scheduling information included in the first dynamic scheduling signaling.
  • the type of the scheduling information included in the second dynamic scheduling signaling of the first user equipment is When the first dynamic scheduling signaling includes the same type of scheduling information, the first dynamic scheduling signaling is used to indicate a subset of the scheduling information, and the second dynamic scheduling signaling of the first user equipment is used to indicate the standby An element in the subset of options.
  • the receiving the network After the first dynamic scheduling signaling sent by the device further includes: when the second dynamic scheduling signaling of the first user equipment sent by the network device is not received, the frequency resource indicated by the frequency information And sending an uplink data signal to the network device according to the first dynamic scheduling signaling.
  • the embodiment of the present invention provides a method for scheduling a radio resource, where the method includes: receiving, by a network device, first dynamic scheduling signaling, where the first dynamic scheduling signaling includes frequency information for indicating a frequency resource. And determining, by the network device, the information information used to carry the second dynamic scheduling signaling, according to the index information, when the index information indicates that the scheduling scheme is adjusted; Receiving the second dynamic scheduling signaling on the frequency resource indicated by the frequency information, receiving, according to the second dynamic scheduling signaling, a downlink data signal sent by the network device, or on the frequency resource indicated by the frequency information, Transmitting, by the second dynamic scheduling signaling, the uplink data signal to the network device; when the index information indicates that the scheduling scheme is not adjusted, receiving, according to the first dynamic scheduling signaling, the network on the frequency resource indicated by the frequency information a downlink data signal sent by the device, or on the frequency resource indicated by the frequency information And transmitting an uplink data signal to the network device according to the first dynamic scheduling signaling.
  • a network device configured to send, to a first user equipment, first dynamic scheduling signaling, where the first dynamic scheduling signaling includes a frequency resource for indicating The frequency information and the index information for indicating the information bit; the second sending module, configured to send, to the first user equipment, the first user equipment on the information bit indicated by the index information sent by the first sending module a second dynamic scheduling signaling, the control module, configured to send, according to the second dynamic scheduling signaling of the first user equipment, the first user equipment to the frequency resource indicated by the frequency information sent by the first sending module a downlink data signal, or sent in the first sending module
  • the uplink data signal sent by the first user equipment according to the second dynamic scheduling signaling of the first user equipment sent by the second sending module is received on the frequency resource indicated by the frequency information.
  • the second sending module is further configured to: send the signaling packet identified by the group identifier to the first user equipment in a multicast or multicast manner, where The signaling packet includes second dynamic scheduling signaling of the first user equipment, and dynamic scheduling signaling of the second user equipment including at least one user equipment other than the first user equipment, the information bit indicating the first The location of the second dynamic scheduling signaling of the user equipment in the signaling packet.
  • the first user equipment and the second user equipment are scheduled to have the same transmission time interval.
  • the value of the group identifier is determined according to the identifier of the cell to which the first user equipment belongs.
  • the value of the group identifier is determined according to a number of a transmission time interval when the first user equipment is scheduled.
  • the size of the signaling packet is a fixed value; or the size of the signaling packet is notified by the network device by using a broadcast The first value; or the size of the signaling packet is determined according to at least one of system bandwidth, resource capacity of dynamic scheduling signaling, and number of bits of the index information.
  • the number of bits of the index information sent by the first sending module is a fixed value; or the first sending module The number of bits of the index information sent is a second value notified by the network device by broadcast; or the number of bits of the index information sent by the first sending module is based on at least one of system bandwidth and resource capacity of dynamic scheduling signaling. Information is determined.
  • the signaling sent by the second sending module The length of the second dynamic scheduling signaling of the first user equipment and the second user equipment included in the packet is the same.
  • the second dynamic scheduling signaling sent by the second sending module is pre-stored
  • the value of the second dynamic scheduling signaling of the first user equipment sent by the second sending module is a third value that is notified by the network device by broadcast.
  • the network device further includes: a third sending module
  • the length of the second dynamic scheduling signaling of the first user equipment is sent to the first user equipment, the length of the second dynamic scheduling signaling of the first user equipment, and the at least one user of the second user equipment
  • the length of the second dynamic scheduling signaling of the device is different, and the length of the second dynamic scheduling signaling of the first user equipment is used to enable the first user equipment to determine the second dynamic scheduling that carries the first user equipment according to the length.
  • Signaling information bits The length of the second dynamic scheduling signaling of the first user equipment is sent to the first user equipment, the length of the second dynamic scheduling signaling of the first user equipment, and the at least one user of the second user equipment The length of the second dynamic scheduling signaling of the device is different, and the length of the second dynamic scheduling signaling of the first user equipment is used to enable the first user equipment to determine the second dynamic scheduling that carries the first user equipment according to the length. Signaling information bits.
  • the first sending module is used by the first sending module Sending the first dynamic scheduling signaling to the first user equipment in a first time period; the second sending module is configured to send the first user equipment to the first user equipment on the information bit in a second time period The second dynamic scheduling signaling, where the first time period and the second time period belong to different transmission time intervals.
  • the second sending module The transmitted second dynamic scheduling signaling of the first user equipment includes at least one of the following information: a modulation mode, a coding rate, a transmit antenna port, and a precoding matrix indication.
  • the second sending The second dynamic scheduling signaling of the first user equipment that is sent by the module includes power control information, where the control module is further configured to receive the first user equipment, according to the second dynamic scheduling signaling of the first user equipment, The uplink data signal sent by the power control information.
  • the network device is further The method includes: a fourth sending module, configured to send, to the first user equipment, an adjustment granularity of the second dynamic scheduling signaling of the first user equipment, where the adjusted granularity is used to adjust the first user equipment according to the adjusted granularity The value of the scheduling information included in the second dynamic scheduling signaling of the first user equipment.
  • the second sending The type of scheduling information included in the second dynamic scheduling signaling of the first user equipment sent by the module, At least one of the types of scheduling information included in the first dynamic scheduling signaling.
  • the second dynamic scheduling signaling of the first user equipment that is sent by the second sending module includes When the type of the scheduling information is the same as the type of the scheduling information included in the first dynamic scheduling signaling sent by the first sending module, the first dynamic scheduling signaling is used to indicate a subset of the scheduling information, the first A second dynamic scheduling signaling of a user equipment is used to indicate an element in the subset of options.
  • an embodiment of the present invention provides a network device, where the network device includes: a sending module, configured to send, to a user equipment, first dynamic scheduling signaling, where the first dynamic scheduling signaling includes a frequency resource for indicating Frequency information and index information for indicating whether to adjust the scheduling scheme; the first control module, configured to: when the index information sent by the sending module indicates the adjustment scheduling scheme, determine, according to the index information sent by the sending module, The information bit of the dynamic scheduling signaling; sending the second dynamic scheduling signaling to the user equipment on the information bit; and the second dynamic scheduling signal according to the frequency resource indicated by the frequency information sent by the sending module Sending a downlink data signal to the user equipment, or receiving, on the frequency resource indicated by the frequency information sent by the sending module, an uplink data signal sent by the user equipment according to the second dynamic scheduling signaling; a second control module, When the index information sent by the sending module indicates that the scheduling scheme is not adjusted, The frequency resource indicated by the frequency information sent by the sending module sends a downlink data
  • a user equipment configured to include: a first receiving module, configured to receive first dynamic scheduling signaling sent by a network device, where the first dynamic scheduling signaling includes a frequency used to indicate a frequency resource. The information and the index information for indicating the information bit; the second receiving module, configured to receive the second dynamic scheduling of the user equipment sent by the network device on the information bit indicated by the index information received by the first receiving module a signaling module, configured to receive, by the network device, the second dynamic scheduling signaling of the user equipment received by the second receiving module on the frequency resource indicated by the frequency information received by the first receiving module
  • the downlink data signal, or the uplink resource data is sent to the network device according to the second dynamic scheduling signaling of the user equipment received by the second receiving module, on the frequency resource indicated by the frequency information received by the first receiving module. signal.
  • the second receiving module is further configured to: receive a signaling packet that is sent by the network device in a multicast or multicast manner, and is identified by a group identifier, where the signaling packet includes second dynamic scheduling signaling of the user equipment, and includes at least the user equipment A second dynamic scheduling signaling of the second user equipment of the user equipment, the information bit indicating a location of the second dynamic scheduling signaling of the user equipment in the signaling packet.
  • the user equipment and the second user equipment are scheduled to have the same transmission time interval.
  • the value of the group identifier is determined according to an identifier of a cell to which the user equipment belongs.
  • the value of the group identifier is determined according to a number of a transmission time interval when the user equipment is scheduled.
  • the size of the signaling packet is a fixed value; or the size of the signaling packet is that the network device broadcasts The first value of the notification; or the size of the signaling packet is determined according to at least one of system bandwidth, resource capacity of dynamic scheduling signaling, and number of bits of the index information.
  • the number of bits of the index information received by the first receiving module is a fixed value; or the first receiving module The number of bits of the index information received is a second value notified by the network device by broadcast; or the number of bits of the index information received by the first receiving module is based on at least one of a system bandwidth and a resource capacity of dynamic scheduling signaling. Information is determined.
  • the signaling received by the second receiving module The length of the second dynamic scheduling signaling of the user equipment and the second user equipment included in the packet are the same.
  • the length of the second dynamic scheduling signaling of the user equipment received by the second receiving module is a pre-stored value; Or the length of the second dynamic scheduling signaling of the user equipment received by the second receiving module is a third value that is notified by the network device by using a broadcast.
  • the user equipment further includes: a receiving module, configured to receive a length of a second dynamic scheduling signaling of the user equipment sent by the network device, a length of the second dynamic scheduling signaling of the user equipment, and a length of the at least one user equipment in the second user equipment The length of the second dynamic scheduling signaling is different.
  • the first determining module is configured to determine, according to the index information received by the first receiving module, the length of the second dynamic scheduling signaling of the user equipment received by the third receiving module, Information bits of the second dynamic scheduling signaling carrying the user equipment.
  • the first receiving module further And receiving, by the first time period, the first dynamic scheduling signaling sent by the network device; the second receiving module is further configured to receive, on the information bit, the first The second dynamic scheduling signaling, where the first time period and the second time period belong to different transmission time intervals.
  • the second receiving module The received second dynamic scheduling signaling of the user equipment includes at least one of the following information: a modulation mode, a coding rate, a transmit antenna port, and a precoding matrix indication.
  • the second receiving The second dynamic scheduling signaling of the user equipment received by the module includes power control information, where the control module is further configured to: the power control included in the second dynamic scheduling signaling of the user equipment received by the second receiving module Information, sending an uplink data signal to the network device.
  • the user equipment is further The method includes: a fourth receiving module, configured to receive an adjustment granularity of the second dynamic scheduling signaling of the user equipment that is sent by the network device; a second determining module, configured to determine, according to the adjusted granularity received by the fourth receiving module, The value of the scheduling information included in the second dynamic scheduling signaling of the user equipment.
  • the second receiving The type of the scheduling information included in the second dynamic scheduling signaling of the user equipment received by the module is at least one of the types of scheduling information included in the first dynamic scheduling signaling.
  • the fourteenth possible implementation of the seventh aspect the fifteenth possible in the seventh aspect
  • the type of the scheduling information included in the second dynamic scheduling signaling of the user equipment received by the second receiving module and the scheduling information included in the first dynamic scheduling signaling received by the first receiving module
  • the first dynamic scheduling signaling is used to indicate a subset of the scheduling information
  • the second dynamic scheduling signaling of the user equipment is used to indicate an element in the alternative subset.
  • the user equipment is further The method includes: a sending module, configured to: when receiving the second dynamic scheduling signaling of the user equipment sent by the network device, on the frequency resource indicated by the frequency information, according to the first dynamic scheduling signaling to the network The device sends an uplink data signal.
  • the eighth aspect of the present invention provides a user equipment, where the user equipment includes: a receiving module, configured to receive first dynamic scheduling signaling sent by a network device, where the first dynamic scheduling signaling includes indicating frequency resources The frequency information and the index information for indicating whether to adjust the scheduling scheme.
  • the first processing module is configured to: when the index information received by the receiving module indicates the adjustment scheduling scheme, determine, according to the index information received by the receiving module, Receiving, by the information bit, the second dynamic scheduling signaling sent by the network device; and the frequency resource indicated by the frequency information received by the receiving module, according to the second
  • the dynamic scheduling signaling receives the downlink data signal sent by the network device, or sends the uplink data signal to the network device according to the second dynamic scheduling signaling on the frequency resource indicated by the frequency information received by the receiving module; a processing module, where the index information received by the receiving module indicates that the scheduling party is not adjusted Receiving, by the first dynamic scheduling signaling received by the receiving module, the downlink data signal sent by the network device, or the frequency received by the receiving module, on the frequency resource indicated by the frequency information received by the receiving module.
  • the frequency resource indicated by the information sends an uplink data signal to the network device according to the first dynamic scheduling signaling received by the receiving module.
  • scheduling the uplink or downlink resources for the user equipment by using two dynamic scheduling signalings can make the scheduling scheme better adapt to the change of the channel environment, thereby improving the reliability of the signal transmission and improving the user experience.
  • FIG. 1 is a schematic flowchart of a method for scheduling radio resources according to an embodiment of the present invention.
  • FIG. 2 is another schematic flowchart of a method for scheduling radio resources according to an embodiment of the present invention.
  • FIG. 3 is still another schematic flowchart of a method for scheduling radio resources according to an embodiment of the present invention.
  • FIG. 4 is a schematic flowchart of a method for scheduling radio resources according to another embodiment of the present invention.
  • FIG. 5 is a schematic flowchart of a method for scheduling radio resources according to still another embodiment of the present invention.
  • FIG. 6 is another schematic flowchart of a method for scheduling radio resources according to still another embodiment of the present invention.
  • FIG. 7 is still another schematic flowchart of a method for scheduling radio resources according to still another embodiment of the present invention.
  • FIG. 8 is still another schematic flowchart of a method for scheduling radio resources according to still another embodiment of the present invention.
  • FIG. 9 is a schematic flowchart of a method for scheduling radio resources according to still another embodiment of the present invention.
  • FIG. 10 is a schematic block diagram of a network device according to an embodiment of the present invention.
  • FIG. 11 is another schematic block diagram of a network device in accordance with an embodiment of the present invention.
  • FIG. 12 is still another schematic block diagram of a network device according to an embodiment of the present invention.
  • FIG. 13 is a schematic block diagram of a network device according to another embodiment of the present invention.
  • FIG. 14 is a schematic block diagram of a user equipment according to an embodiment of the present invention.
  • FIG. 15 is another schematic block diagram of a user equipment according to an embodiment of the present invention.
  • FIG. 16 is still another schematic block diagram of a user equipment according to an embodiment of the present invention.
  • FIG. 17 is still another schematic block diagram of a user equipment according to an embodiment of the present invention.
  • FIG. 18 is a schematic block diagram of a user equipment according to another embodiment of the present invention. detailed description
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA wideband code Wideband Code Division Multiple Access
  • General Packet Radio Service General Packet Radio Service
  • LTE frequency division duplex Frequency Division Duplex, "LDD”
  • LTE time division duplex Time Division Duplex, "TDD”
  • Universal Mobile Telecommunication System Universal Mobile Telecommunication System
  • UMTS Universal Mobile Telecommunication System
  • a user equipment may be referred to as a terminal (Terminal), a mobile station (Mobile Station, referred to as “MS”), or a mobile terminal. (Mobile Terminal), etc.
  • the user equipment can communicate with one or more core networks via a radio access network (Radio Access Network, referred to as "RAN"), for example, the user equipment can be a mobile phone (or called " Cellular, telephone), or a computer with a mobile terminal, etc.
  • RAN Radio Access Network
  • the user device can also be a portable, pocket, handheld, or computer built-in or in-vehicle mobile device that exchanges voice and/or with the wireless access network. Data.
  • the network device may be a base station, an access point (Access Point, called “AP”), a remote radio equipment (Real Radio Equipment, called “RRE”), and a remote radio port ( The Remote Radio Head, called the "RRH", the Remote Radio Unit (the “RRU”) or the Relay Node (the “RN”).
  • the base station may be a base station in GSM or CDMA (Base Transceiver Station, referred to as "BTS"), or may be a base station in WCDMA (NodeB, called “NB”), or an evolved base station in LTE ( Evolutional Node B, called “ENB or e-NodeB”.
  • the network device may also be another device with a scheduling function, such as a UE with a scheduling function, and the like, which is not limited thereto.
  • the following embodiments will be described by taking the LTE system and the user equipment UE as an example, and the network equipment including the base station as an example, but the present invention is not limited thereto.
  • FIG. 1 shows a schematic flow diagram of a method 100 of scheduling radio resources, which may be performed by a network device, such as a base station, in accordance with an embodiment of the present invention. As shown in FIG. 1, the method 100 includes:
  • the first dynamic scheduling signaling is sent to the first user equipment, where the first dynamic scheduling signaling includes frequency information for indicating a frequency resource and index information for indicating the information bit.
  • S130 on the frequency resource indicated by the frequency information, send a downlink data signal to the first user equipment according to the second dynamic scheduling signaling of the first user equipment, or receive the frequency resource indicated by the frequency information.
  • the network device may first send the first dynamic scheduling signaling including the frequency information and the index information to the user equipment, where the frequency information is used to indicate the frequency resource, and the index information is used to indicate that the second dynamic is carried. Dispatching the information bits of the signaling; the network device may then send the second dynamic scheduling signaling of the user equipment to the user equipment on the information bit indicated by the index information; for the downlink transmission, the network device corresponds to the frequency information.
  • the downlink data signal is sent to the user equipment according to the second dynamic scheduling signaling of the user equipment, or for the uplink transmission, the network device receives the user equipment on the frequency resource corresponding to the frequency information.
  • the method for scheduling radio resources in the embodiment of the present invention can use the two dynamic scheduling signaling to schedule uplink or downlink resources for the user equipment, so that the scheduling scheme can better adapt to changes in the channel environment, thereby improving signal transmission reliability. Sex, improve the user experience.
  • the network device further carries an index of the information in the second dynamic scheduling signaling in the first dynamic scheduling signaling, so that the network device dynamically indicates to the scheduled UE that the information used by the second dynamic scheduling signaling is sent.
  • the bit can be used to fully utilize the limited information bits to satisfy the scheduling for multiple UEs, so as to reduce the information bit resource overhead required for dynamic scheduling signaling and improve resource utilization.
  • a transmission time interval (transmission time Interval, referred to as " ⁇ " length usually includes 14 orthogonal frequency division multiplexing ("Orthogonal Frequency Division Multiplexing")
  • the symbol, for the downlink transmission, where the pre-Nc (Nc is a natural number and less than or equal to 14) symbols can be used to transmit a Physical Downlink Control Channel (“SCH”) signal to The UE sends downlink dynamic scheduling signaling, and other symbols are used to transmit a Physical Downlink Shared Channel (“PDSCH”) signal (data signal).
  • SCH Physical Downlink Control Channel
  • PDSCH Physical Downlink Shared Channel
  • the network device can send the UE to the UE in the first Nc symbols.
  • PDCCH including frequency resource information, MCS information, etc., and may be based on the frequency resource letter And the MCS information, processing the information sent to the UE and generating the PDSCH signal on the corresponding frequency resource, using the coding rate and modulation mode corresponding to the MCS, and finally transmitting the PDSCH signal to the UE.
  • the UE may first detect a PDCCH signal (hereinafter referred to as a PDCCH) from the Nc symbols, obtain frequency resource information and MCS information therefrom, and determine a frequency of the PDSCH sent to itself according to the frequency resource information, thereby acquiring a PDSCH signal (behind The cartridge is called PDSCH), whereby the UE can demodulate and decode the received PDSCH signal according to the MCS information.
  • a PDCCH a PDCCH signal
  • MCS information MCS information
  • the network device may send a PDCCH to the UE in the first 2 symbols, where the UE is assigned a PRB numbered 5-8, and indicates that the modulation mode is 16 orthogonal amplitude modulation (16- Quadrature Amplitude Modulation, called "16QAM", MCS with a coding rate of 1/2; network devices can then use this information on the PRB numbered 5 ⁇ 8, using the modulation method as 16QAM, and the coding rate is 1/
  • the MCS of 2 encodes and modulates the data transmitted to the UE, thereby generating a PDSCH, and can transmit it through the other 12 symbols of the UI.
  • the UE may first receive the PDCCH on the first two symbols, acquire frequency information and MCS information, and receive the PDSCH according to the frequency information and the MCS information.
  • the Nc can be dynamically changed, and the UE can obtain the value of Nc through blind detection.
  • One PRB consists of 12 subcarriers.
  • the network device may send the PDCCH to the UE, where the number is n, and carry the uplink dynamic scheduling signaling, where the uplink dynamic scheduling signaling includes frequency information, MCS information, and the like; the UE may detect the PDCCH, and The frequency information, the MCS information, and the like are obtained, and then the data can be encoded and modulated according to the MCS information on the TTI numbered n+4, and then mapped to the corresponding PRB according to the frequency information and transmitted.
  • the method for scheduling uplink or downlink resources for the user equipment by using two dynamic scheduling signaling is adopted.
  • the network device may be in the front Ncl of the number n0 (natural number).
  • the PDCCH is sent to the UE, where the PDCCH includes frequency information and index information, and the information bit can be determined according to the index information; the network device can be again on the first Nc2 symbols of the frame number nl (nl>n0) Transmitting a PDCCH, where the second dynamic scheduling signaling sent to the UE is carried in the determined information bit, for example, the second dynamic scheduling signaling includes MCS information; then the network device may be on the ⁇ number nl except for the first Nc2
  • the PDSCH is transmitted to the UE on other symbols than the symbol, wherein the PDSCH is finally encoded according to the MCS information being encoded and modulated, and mapped to the corresponding frequency according to the frequency information.
  • the network device may send the PDCCH to the UE on the first Ncl symbols of the number ⁇ , where the PDCCH includes frequency information and index information, and may determine the information bit according to the index information;
  • the PDCCH is sent to the UE again on the first Nc2 symbols of the frame numbered n2 (n2>n0), where the second dynamic scheduling signaling sent to the UE may be carried in the determined information bit, for example, the second dynamic scheduling
  • the signaling includes the MCS information.
  • the network device can receive the physical uplink shared channel (the physical uplink shared channel (PUSCH)) sent by the UE on the port numbered n3 (n3>n2), where the PUSCH is according to the
  • the MCS information is encoded and modulated and ultimately formed based on the frequency information being mapped to the corresponding frequency.
  • the method for scheduling radio resources in the embodiment of the present invention can use the two dynamic scheduling signaling to schedule uplink or downlink resources for the user equipment, so that the scheduling scheme can better adapt to changes in the channel environment, thereby improving signal transmission reliability.
  • the network device also carries the index information of the second dynamic scheduling signaling that the network device subsequently sends to the UE in the first dynamic scheduling signaling, so that the network device can dynamically move to the scheduled UE.
  • the information bits corresponding to the second dynamic scheduling signaling are indicated, so that the method of the embodiment of the present invention can fully utilize the limited information bits to satisfy the scheduling of multiple UEs, so as to reduce the information bit resource overhead required for dynamic scheduling signaling. Therefore, resource utilization can be improved.
  • the two UEs may be scheduled simultaneously or only one UE may be scheduled; if the invention is not used, the network device needs to receive the second dynamic message for the two UEs.
  • the information bits of the second dynamic signaling are allocated differently, so that the two UEs acquire the second dynamic scheduling signaling sent by the network device to the respective information bits on different information bits, so the network device needs to be the two in each of the two.
  • the UE reserves two information bits.
  • the network device may carry the index information corresponding to the information bit in the first dynamic scheduling signaling, and the UE may determine the information bit of the second dynamic scheduling signaling according to the index information, so that the network device does not need to In each scheduling, two information bits are reserved for the two UEs, and only need to be reserved according to the actual scheduling situation. For example, in a certain network, if the network device schedules the UE1, the first information bit may be indicated to the UE1 in the first dynamic scheduling signaling; and in another TTI, the network device schedules the UE2, and may also be in the first dynamic. The first information bit is indicated to the UE2 in the scheduling signaling.
  • the feasibility of the program The scenario in which the present invention is applied to scheduling more UEs is taken as an example. If 100 UEs are connected to one network device, and the network device can schedule up to 10 UEs in one TTI, the present invention does not need to be Each UE reserves one information bit (100 in total), and only a total of 10 are reserved. If the network device schedules the UE1 to the UE10 in the first network, the information bits numbered 1 to 10 are respectively allocated to the 10 UEs in the first dynamic scheduling signaling sent to them.
  • the 10 UEs respectively send the second dynamic scheduling signaling. If the network device schedules the UEs 11 to 20 in the second network, the information that is numbered 1 to 10 is still only needed in the first dynamic scheduling signaling sent to them. Bits are allocated to these 10 UEs. In this case, the network device only needs 10 information bits to satisfy the scheduling of 100 UEs, thereby significantly reducing the overhead required for the second dynamic signaling and improving resource utilization.
  • modulation and coding are two methods for controlling the data transmission rate. Generally, the higher the modulation order, or the higher the coding rate, the more information bits that the same resource can carry, and the higher the requirement for the wireless channel.
  • adaptive modulation, adaptive coding or adaptive modulation and coding methods can usually be adopted, so that the transmission rate can be adjusted according to the quality of the channel, thereby improving transmission under the premise of ensuring reliable transmission. effectiveness.
  • adaptive modulation coding as an example, it can be understood that the present invention is not limited thereto, and the present invention may also employ adaptive modulation, adaptive coding or other methods.
  • the network device may determine the second dynamic scheduling signaling of the user equipment according to the change of the channel, or the network device may also obtain the interference change in the middle of the two dynamic scheduling signaling,
  • the method for determining the content of the second dynamic scheduling signaling of the user equipment, and the method for determining the second dynamic scheduling signaling of the user equipment according to other methods, the embodiment of the present invention is not limited thereto.
  • the network device may send a reference signal (referred to as "RS") after transmitting the first dynamic scheduling signaling, and the UE may measure the RS after receiving the RS, and report the measurement result to the network device, the network.
  • the device may further determine the content of the second dynamic scheduling signaling according to the obtained measurement result report, and send the content to the UE for the UE to determine the downlink scheduling.
  • the network device may receive the UE after sending the first dynamic scheduling signaling.
  • the RS is sent and the RS is measured, and the content of the second dynamic scheduling signaling is determined according to the measurement result, so that the network device can send the second dynamic scheduling signaling to the UE, so that the UE determines the uplink scheduling.
  • the network device may be a base station BS, The access point AP, the remote radio device RRE, the remote radio port RRH, the remote radio unit RRU or the relay node RN, etc.; in the embodiment of the present invention, the relationship between the network device and the cell is not limited, for example, a network device One or more cells may be corresponding, or one cell may correspond to one or more network devices.
  • the second dynamic scheduling signaling of the first user equipment includes at least one of the following information: a modulation mode, a coding rate, a transmit antenna port, and a precoding matrix indicator (Precoding Matrix Indicator) , the tube is called " ⁇ ".
  • a modulation mode a modulation mode
  • a coding rate a coding rate
  • a transmit antenna port a transmit antenna port
  • a precoding matrix indicator Precoding Matrix Indicator
  • the second dynamic scheduling signaling includes an embodiment of a modulation mode and a coding rate, and the second dynamic scheduling signaling may also include only a modulation mode or a coding rate. Let me repeat.
  • the uplink transmission is taken as an example.
  • the network device can dynamically select one of the antennas according to the channel condition corresponding to the antenna ports.
  • the port sends an upstream signal.
  • the network device may determine a more suitable antenna port according to the change of the channel environment, and send the information of the antenna port to the UE in the second dynamic scheduling signaling, so that the UE may be according to the channel environment.
  • the change to send the PUSCH is taken as an example.
  • the uplink transmission is taken as an example.
  • the network device can determine the channel condition corresponding to the antenna ports.
  • One of the candidate PMIs is dynamically selected to transmit an uplink signal.
  • the PMI information may be sent to the UE in the second dynamic scheduling signaling, so that the network device may determine a more suitable PMI according to the change of the channel environment, so that the UE sends the PUSCH, thereby improving signal transmission. Reliability, improve the user experience.
  • the second dynamic scheduling signaling of the first user equipment may include at least one of the following information: a modulation mode, a coding rate, a transmit antenna port, and a precoding matrix indication, No longer here - enumeration. It should also be understood that the above example is only described by taking the above line transmission as an example, and the downlink transmission is similar to the uplink transmission, and is not described herein again.
  • the second dynamic scheduling signaling of the first user equipment may include a scheduling scheme finally determined by the network device, and may also include scheduling information in each scheduling information and the first dynamic scheduling signaling.
  • the modulation mode information may include a final modulation mode, and may also include an adjustment value of the modulation mode;
  • the information may include the final encoding rate, and may also include an adjustment value of the encoding rate.
  • the second dynamic scheduling signaling of the first user equipment may further include a frequency band carried by the transmitted signal, a number of layers used by the transmitted signal, a precoding matrix or a transmission signal used by the transmitted signal.
  • the information of the selected antenna port and the like, the embodiment of the present invention is not limited thereto.
  • the first dynamic scheduling signaling is sent to the first user equipment, where the first dynamic scheduling signaling is sent to the first user equipment.
  • the first time period of the first dynamic scheduling signaling is sent to the first user equipment
  • the second dynamic scheduling signaling of the first user equipment is sent to the first user equipment.
  • the second period belongs to different transmission time intervals.
  • the network device sends the second time period of the second dynamic scheduling signaling of the first user equipment to the first user equipment, and the network device sends the second dynamic scheduling signaling to the first user according to the first user equipment
  • the third period in which the device transmits the downlink data signal belongs to the same frame.
  • the time period in which the network device sends the first dynamic scheduling signaling to the first user equipment is the first time period, and the network device sends the second dynamic scheduling of the first user equipment to the first user equipment on the information bit.
  • the time period of the signaling is the second time period, and the time when the network device sends the downlink data signal to the first user equipment or the time when the first user equipment sends the uplink data signal sent is the third time, the first time period and the first time
  • the second time period belongs to different ⁇ ; and the second time period and the third time period may belong to different ⁇ , and may belong to the same ⁇ .
  • the second period of time that the network device sends the downlink data signal to the UE according to the second dynamic scheduling signaling may belong to the same ⁇ , that is, for the downlink transmission, the network device sends the After the dynamic scheduling signaling, the downlink data signal can be immediately sent to the UE in the current frame, thereby reducing the delay and improving the user experience.
  • the network device may receive the UE in the next ⁇ . The uplink data signal sent.
  • the time when the network device determines the information bit may be the same as the first time or the second time, or may belong to different parameters, and the embodiment of the present invention does not Limited to this.
  • the time dimension is typically divided by a certain length in a communication system.
  • the time dimension is divided in units of , and the length of one TTI is lms.
  • the network device and the user equipment will divide the same absolute time differently. For example, if the network device sends a certain ⁇ , the UE will delay the reception, so the two understand different ⁇ .
  • the time instant described in the present invention indicates the number of the time period in which an operation is located, and may be, for example, a number of ⁇ .
  • the second dynamic scheduling signaling of the first user equipment includes power control information, and in S130 of FIG. 1, the receiving the first user equipment is according to the first user equipment.
  • the uplink data signal sent by the dynamic scheduling signaling includes:
  • the network device may include power control information in the PDCCH for controlling the transmission power used by the UE when transmitting the PUSCH.
  • the power control information may be sent in the second dynamic scheduling signaling, so that the transmit power used by the UE to transmit the PUSCH may be adjusted according to the change of the channel environment, thereby further making the scheduling scheme better.
  • the ground adapts to changes in the channel environment, thereby further improving the reliability of signal transmission and improving the user experience.
  • the downlink transmission power does not normally change dynamically, but in the uplink transmission, the power control information can be dynamically adjusted due to the mobility of the UE, etc., and thus can be only in the uplink scheduling process. Adjust power control information.
  • the second dynamic scheduling signaling of the first user equipment is sent to the first user equipment by using the information bit indicated by the index information, including :
  • the network device may combine the second dynamic scheduling signaling of multiple UEs into one signaling packet, and send the signaling packet to multiple UEs, where the signaling packet is identified by using the group identifier. And the location of the second dynamic scheduling signaling of each user equipment in the signaling packet, and the network The information bits of the second dynamic scheduling signaling used by the network device to carry the user equipment according to the index information are corresponding. For example, the information bit indicated by the index information in the first dynamic scheduling signaling sent by the network device to the first user equipment is used to indicate the location of the second dynamic scheduling signaling of the first user equipment in the signaling packet. .
  • the second dynamic scheduling signaling corresponding to each UE includes 2 bits
  • one signaling packet may include signaling sent to 20 UEs, and the information amount of one signaling packet includes 40 bits.
  • the network device After the network device encodes and modulates the 40 bits, it can be identified by using the group identifier, and finally mapped to the PDCCH resource and sent by multicast or multicast. All UEs that detect the first dynamic scheduling signaling may use the group identifier to detect the signaling packet, and may determine the second dynamic sent to the network device according to the index information obtained in the first dynamic scheduling signaling.
  • Scheduling signaling corresponding information bits, so that the user equipment can obtain its own second dynamic scheduling signaling, that is, 2-bit information, from the signaling packet, so that the user equipment can adjust the scheduling scheme according to the second dynamic scheduling signaling.
  • second dynamic scheduling signaling that is, 2-bit information
  • the network device can use the multicast or multicast method to combine the second dynamic scheduling signaling of multiple UEs into one signaling packet and then uniformly transmit the information, which can reduce the complexity of the network device;
  • the UEs may also detect only the signaling packets identified by one identifier, and can reduce the signaling that the network device notifies the UE of the identifier and the complexity of the UE implementation.
  • the first user equipment and the second user equipment are scheduled to have the same transmission time interval, that is, each user to which the second dynamic scheduling signaling included in the signaling packet belongs.
  • the number of transmission intervals scheduled by the device is the same.
  • all UEs scheduled at a specific frame can use the same identifier, so that the network device can send only one signaling packet, and can be scheduled to all in the TTI.
  • the UE sends the second dynamic scheduling signaling without considering the complicated design of dividing the scheduled UE into at least one group, and the scheduled UE only needs to detect one signaling packet. Therefore, according to the method of the embodiment of the present invention, scheduling can also be implemented, the scheduling efficiency is improved, and the user experience is enhanced.
  • one network device may include one or more cells, or one cell may include one or more network devices, that is, multiple network devices use the same Cell ID.
  • the value of the group identifier is determined according to the identifier of the cell to which the first user equipment belongs. That is, the network device can be determined according to the identity of the cell to which the first user equipment belongs. The value of the group identifier is set, and the signaling packet identified by the group identifier may be sent to the first user equipment in a multicast or multicast manner.
  • the value of the group identifier may be a function of the identifier of the cell to which the first user equipment belongs, or the value of the group identifier may have a mapping relationship with the identifier of the cell to which the first user equipment belongs, as long as the group identifier
  • the value may be related to the identifier of the cell to which the first user equipment belongs; preferably, different cells use different group identifiers to identify the signaling packet including the second dynamic scheduling signaling, but the embodiment of the present invention is not limited thereto. .
  • the value of the group identifier of the second dynamic scheduling signaling of the first user equipment is the identifier of the cell to which the first user equipment belongs, as shown in the following equation (1):
  • A N ceUID ( 1 ) where A represents the value of the group identifier, and ⁇ ⁇ represents the ID of the cell to which the first user equipment belongs. Since the value of the group identifier of the signaling packet including the second dynamic scheduling signaling is determined according to the identifier of the cell to which the user equipment belongs, different cells may use different identifiers to identify the second dynamic scheduling signaling, thereby not receiving The UE entering the cell cannot obtain the second dynamic scheduling signaling, thereby enabling encryption; and different cells use different identifiers because their cell IDs are different, which can reduce the UE detecting the second dynamic scheduling signaling error rate.
  • the value of the group identifier is determined according to the number of the transmission time interval when the first user equipment is scheduled. That is, when the number of transmission time intervals TTI when the user equipment is scheduled is different, the value of the group identifier of the signaling packet including the second dynamic scheduling signaling of the user equipment is different.
  • the identifiers of the second dynamic scheduling signaling may be different values at different ports, that is, the identifiers are hopped in time, for example, the group identifier of the second dynamic scheduling signaling of the first user equipment.
  • the value can be as shown in equation (2) below:
  • A (N cellID + n 7TI ) modN A ( 2 )
  • A represents the value of the group identifier
  • ⁇ ⁇ represents the ID of the cell to which the first user equipment belongs
  • « m indicates the number of ⁇ , ⁇ is used to control the value range of the identifier [0 ⁇ N A - 1 ], and mod represents the modulo operation.
  • the value of the group identifier of the second dynamic scheduling signaling of the first user equipment may also be as shown in the following equation (3):
  • A (N ceUID + c(w m )) mod N A ( 3 ) where c( « m ) is a random sequence whose value varies with / ⁇ . Therefore, in the embodiment of the present invention, the random sequences of different cells are different, so that a better encryption effect can be achieved.
  • the size of the signaling packet is a fixed value; or the size of the signaling packet is a first value notified by the network device by using a broadcast; or the size of the signaling packet is based on a system bandwidth, At least one of the resource capacity of the dynamic scheduling signaling and the number of bits of the index information is determined.
  • the size of the signaling packet of the signaling packet may be The fixed value; or the network device broadcasts the notification to the UE in advance; or depends on at least one of the system bandwidth, the resource capacity of the dynamic scheduling signaling, and the number of bits of the index information, but the embodiment of the present invention is not limited thereto.
  • the size of the signaling packet may be a fixed value, for example, the size of the signaling packet is 40 bits.
  • the size of the signaling packet may depend on the system bandwidth. For example, when the system bandwidth is 10 MHz, the size of the signaling packet may be 40 bits, and when the system bandwidth is 20 MHz, the size of the signaling packet may be 80 bits, etc., generally, the system bandwidth is larger. The more UEs a network device can schedule in a network, the greater the signaling overhead required.
  • the size of the signaling packet may depend on the capacity of the dynamic scheduling signaling.
  • the network device can use up to 3 OFDM symbols to transmit the PDCCH, so one RE can be used to transmit the RE of the PDCCH (ie, a symbol sum in time)
  • the network device may send broadcast signaling to the UE in advance to notify the size of the signaling packet, so that the network device can adjust the signaling packet size according to the change of the traffic volume. For example, when the traffic is relatively busy, the network device can send a broadcast signaling notification packet to the UE with a size of 80 bits, so that the network device can schedule up to 40 UEs; when the traffic is not busy, the network device can The size of the broadcast signaling notification signaling packet sent to the UE is 40 bits, so that the network device can reduce the overhead of the signaling packet.
  • the method for the network device to notify the UE is not limited, and the network device may not Directly notifying the number of bits included in the signaling packet, but notifying the UE of a coefficient; for example, if the network device notifies the UE that the coefficient is (each unit corresponds to 40 bits), the size of the signaling packet is 80 bits; The UE is notified that the coefficient is 0.5, and the size of the signaling packet is 20 bits.
  • the network device notifies the size of the signaling packet by using the broadcast signaling, and the overhead can be reduced, that is, the UE-specific signaling is not required to be notified to each UE.
  • the size of the signaling packet may also depend on the number of bits carrying the index information in the first dynamic scheduling signaling, and the number of bits of the index bit may be a fixed value, or depends on system bandwidth, or The resource capacity of the dynamic scheduling signaling, or broadcasted by the network device to the UE in advance to notify. Therefore, in the embodiment of the present invention, optionally, the number of bits of the index information is a fixed value; or the number of bits of the index information is a second value notified by the network device by broadcast; or the number of bits of the index information is according to At least one of system bandwidth and resource capacity of dynamic scheduling signaling is determined.
  • the size of the signaling packet carrying the second dynamic scheduling signaling may be 64 bits.
  • the first user equipment included in the signaling packet and the second dynamic scheduling signaling of the second user equipment are the same length. That is, the second dynamic scheduling signaling of each user equipment included in the signaling packet has the same length.
  • the length of the second dynamic scheduling signaling of the first user equipment is a pre-stored value; or the length of the second dynamic scheduling signaling of the first user equipment is a third value that is notified by the network device by broadcast.
  • the signaling packet includes the second dynamic scheduling signaling of the multiple user equipments, and the length of the dynamic scheduling signaling of each user equipment may be the same, the length is, for example, a fixed value or a pre-stored value, or the length may be
  • the network device notifies the user equipment in advance in the form of a broadcast, but the embodiment of the present invention is not limited thereto.
  • the length of the dynamic scheduling signaling of each UE may also be different.
  • the second dynamic scheduling signaling includes 2 bits, which is an embodiment in which the number of bits included in each second dynamic scheduling signaling is a fixed value, optionally, the second dynamic scheduling signaling includes The number of bits may also be signaled by the network device to the UE to notify, for example, that the network device notification is 3, and each second dynamic scheduling signaling includes 3 bits.
  • the signaling packet consisting of the second dynamic scheduling signaling of the multiple UEs includes a total of N b x N s bits, where N s represents one signaling Group
  • the number of the second dynamic scheduling signaling included in the UE; the specific process of determining the information bit by the UE according to the index information in the first dynamic scheduling signaling may be: if the UE receives the index information in the first dynamic scheduling signaling, then the UE The N b bits numbered Nb X i , N b xn ! +1 , ⁇ ⁇ ⁇ , N b x ( i ⁇ + U -l are determined as the second dynamic scheduling signaling sent by the network device to itself.
  • the method for scheduling radio resources in the embodiment of the present invention can use the two dynamic scheduling signaling to schedule uplink or downlink resources for the user equipment, so that the scheduling scheme can better adapt to changes in the channel environment, thereby improving signal transmission reliability. Sex, improve the user experience.
  • the method 100 further includes:
  • the length of the second dynamic scheduling signaling of the first user equipment is sent to the first user equipment, where the length of the second dynamic scheduling signaling of the first user equipment is at least one user of the second user equipment.
  • the length of the second dynamic scheduling signaling of the device is different, and the length of the second dynamic scheduling signaling of the first user equipment is used to enable the first user equipment to determine the second dynamic scheduling that carries the first user equipment according to the length. Signaling information bits.
  • the network device may send signaling to the UE in a unicast manner, notify the value of the number of bits N b included in the second dynamic scheduling signaling, and may send different values to different UEs. After receiving the UE, the information bit is determined according to the received N b . Different from the previous embodiments, the network device may configure different values of N b for different UEs, and the method for determining is not limited.
  • the network device may also determine the value of N b according to the path loss of different UEs. Generally, the larger the path loss, the closer the UE is to the edge of the cell, and the larger the channel fluctuation, the same effect can be achieved.
  • the size of the sequence numbers of the foregoing processes does not mean the order of execution sequence, and the execution order of each process should be determined by its function and internal logic, and should not be implemented in the embodiment of the present invention.
  • S140 may be after S110 or S120, It is also possible before Embodiment S110 or S120, and the embodiment of the present invention is not limited thereto.
  • the type of the scheduling information included in the second dynamic scheduling signaling of the first user equipment is at least one of the types of scheduling information included in the first dynamic scheduling signaling.
  • the second dynamic scheduling signaling of the first user equipment may include a scheduling scheme finally determined by the network device, and may also include comparing with scheduling information in the first dynamic scheduling signaling.
  • the adjustment value or adjustment amount may be included in the first dynamic scheduling signaling.
  • the second dynamic scheduling signaling of the first user equipment has the same attribute or type of scheduling information
  • the second dynamic scheduling signaling of the first user equipment is the first dynamic scheduling signaling.
  • the first dynamic scheduling signaling and the second dynamic scheduling signaling both include MCS information
  • the first dynamic scheduling signaling includes 5 bits, and may indicate up to 32 MCS levels and another 1 J. Different order MCSs correspond to different modulation modes. And / or encoding rate. If the first dynamic signaling indicates that the MCS level is 10, and the second dynamic scheduling signaling indicates that the offset of the MCS level is +5, the MCS level used by the PDSCH or the MCS used by the PUSCH sent by the UE is finally sent to the UE.
  • the level is 15.
  • the type of the scheduling information of the second dynamic scheduling signaling of the first user equipment may also include the type of the scheduling information that is not included in the first dynamic scheduling signaling, which is not limited thereto.
  • the first The dynamic scheduling signaling is used to indicate a subset of the scheduling information
  • the second dynamic scheduling signaling of the first user equipment is used to indicate an element in the subset of the alternative.
  • the MCS level is a scheduling information.
  • the LTE system supports up to 32 MCS candidate levels.
  • the 32 MCS levels can be divided into 8 subsets, as shown in Table 1:
  • the network device may first send the MCS subset information to the UE by using the first dynamic scheduling signaling, for example, the subset information is 011, that is, the selected subset number is
  • the network device may send the MCS finally determined in the determined MCS subset by using the second dynamic scheduling signaling, for example, the MCS level information is 01, that is, the finally selected MCS is 13. In this way, the purpose of delivering the final determined MCS to the UE through 5 bits can be achieved, thereby saving system overhead and improving resource utilization.
  • the method 100 further includes:
  • the adjustment granularity is sent to the first user equipment, where the adjustment granularity is used to adjust, by the first user equipment, the value of the scheduling information included in the second dynamic scheduling signaling of the first user equipment according to the adjusted granularity.
  • the network device may send a signaling to the UE in a unicast manner to adjust the value of the granularity, and the UE may determine the final scheduling scheme according to the adjusted granularity and the information in the second dynamic scheduling signaling.
  • the second dynamic scheduling signaling includes 2 bits, which respectively represent 4 states, as shown in Table 2 below. If the network device sends the second dynamic scheduling signaling to the UE, the UE adjusts the MCS P medium by 2xG, that is, if the initial dynamic scheduling signaling indicates that the initial MCS P is 10, the UE receives After the second dynamic scheduling signaling, it is determined that the final scheduled MCS P median is 10+2xG.
  • the same adjustment range is configured for different UEs. For example, for a UE with severe channel fluctuations, a larger G value can be configured for it, so that the range of the MCS adjustment order can be made larger.
  • the network device may first decode the uplink data signal sent by the UE according to the scheduling scheme determined according to the first dynamic scheduling signaling and the second dynamic scheduling signaling, and if the decoding is unsuccessful, the network The device may decode the uplink data signal sent by the UE using only the scheduling scheme determined according to the first dynamic scheduling signaling. In this way, confusion caused by inconsistent understanding of the scheduling scheme between the network device and the UE caused by the second dynamic scheduling signaling not being received by the UE can be avoided.
  • the size of the sequence numbers of the above processes does not mean the order of execution, and the order of execution of each process should be determined by its function and internal logic, and should not be taken to the embodiments of the present invention.
  • the implementation process constitutes any limitation.
  • the method for scheduling radio resources in the embodiment of the present invention can use the two dynamic scheduling signaling to schedule uplink or downlink resources for the user equipment, so that the scheduling scheme can better adapt to changes in the channel environment, thereby improving signal transmission reliability.
  • the network device also carries the index of the information in the second dynamic scheduling signaling in the first dynamic scheduling signaling, so that the network device dynamically sends the second dynamic scheduling to the scheduled UE.
  • the information bits used by the signaling can fully utilize the limited information bits to satisfy the scheduling for multiple UEs, so as to reduce the information bit resource overhead required for dynamic scheduling signaling, and enhance the feasibility of the present invention.
  • the method 200 includes:
  • the first dynamic scheduling signaling is sent to the user equipment, where the first dynamic scheduling signaling includes frequency information for indicating a frequency resource and index information for indicating whether to adjust the scheduling scheme.
  • index information indicates that the scheduling scheme is not adjusted, sending, by using the first dynamic scheduling signaling, a downlink data signal, or the frequency indicated by the frequency information, on the frequency resource indicated by the frequency information. And receiving, by the resource, an uplink data signal sent by the user equipment according to the first dynamic scheduling signaling.
  • all the options of the index information may include at least one candidate for indicating that the UE does not adjust the scheduling scheme.
  • the network device may send the index information including the candidate to the UE in the first dynamic scheduling signaling, where the UE After receiving, the information in the second dynamic scheduling signaling is not detected in the second time period.
  • the index information in the first dynamic scheduling signaling includes 5 bits, where "00000" is used to indicate that the UE does not adjust the scheduling scheme.
  • the UE may not detect the information in the second dynamic scheduling signaling in the second time period, but may directly determine the final scheduling solution according to the scheduling information of the first dynamic scheduling signaling. Therefore, the complexity of the UE can be reduced, and the second dynamic scheduling signaling overhead can be used to satisfy the situation in which more UEs are scheduled.
  • the network device can send index information of "00000" to 10 UEs. Therefore, the network device only needs to send the second dynamic scheduling signaling to the other 20 UEs in the second time period, and does not need 30 second dynamic scheduling signaling. This saves system overhead and improves resource utilization.
  • the method for scheduling radio resources in the embodiment of the present invention can use the two dynamic scheduling signaling to schedule uplink or downlink resources for the user equipment, so that the scheduling scheme can better adapt to changes in the channel environment, thereby improving signal transmission reliability. Sex, improve the user experience.
  • the network device further carries, in the first dynamic scheduling signaling, index information for indicating whether to adjust the scheduling scheme, so that the network device dynamically indicates to the scheduled UE whether the scheduling included in the first dynamic scheduling signaling is included.
  • the solution is adjusted so that more resources can be utilized to schedule more UEs to reduce system resource overhead and improve resource utilization.
  • FIG. 1 to FIG. 4 a method for scheduling radio resources according to an embodiment of the present invention is described in detail from the perspective of a network device, and a description will be made from the perspective of a user equipment according to an embodiment of the present invention with reference to FIG. 5 to FIG. A method of scheduling radio resources.
  • FIG. 5 illustrates a method 300 of scheduling radio resources, which may be performed, for example, by a first user equipment, in accordance with an embodiment of the present invention. As shown in FIG. 5, the method 300 includes:
  • the first dynamic scheduling signaling sent by the network device is received, where the first dynamic scheduling signaling includes frequency information for indicating a frequency resource and index information for indicating the information bit.
  • S320. Receive, by the information bit indicated by the index information, a second dynamic scheduling signaling of the first user equipment that is sent by the network device.
  • S330 receiving, according to the second dynamic scheduling signaling of the first user equipment, the downlink data signal sent by the network device, or the frequency resource indicated by the frequency information, according to the frequency resource indicated by the frequency information.
  • the second dynamic scheduling signaling of the first user equipment sends an uplink data signal to the network device.
  • the method for scheduling radio resources in the embodiment of the present invention can use the two dynamic scheduling signaling to schedule uplink or downlink resources for the user equipment, so that the scheduling scheme can better adapt to changes in the channel environment, thereby improving signal transmission reliability. Sex, improve the user experience.
  • the user equipment may further determine, according to the information index of the second dynamic scheduling signaling carried in the first dynamic scheduling signaling, the information bits used by the network device to send the second dynamic scheduling signaling, so as to fully utilize the limited information.
  • the information bits are used to implement scheduling of multiple UEs, thereby reducing the information bit resource overhead required for dynamic scheduling signaling and improving resource utilization.
  • the second dynamic scheduling signaling of the first user equipment includes at least one of the following information: a modulation mode, a coding rate, a transmit antenna port, and a precoding matrix indication.
  • the second dynamic scheduling signaling of the first user equipment may include a scheduling scheme finally determined by the network device, and may also include scheduling information in each scheduling information and the first dynamic scheduling signaling.
  • the modulation mode information may include a final modulation mode, and may also include an adjustment value of the modulation mode
  • the coding rate information may include a final coding rate, and may also include an adjustment value of the coding rate.
  • the second dynamic scheduling signaling of the first user equipment may further include a frequency band carried by the transmitted signal, a layer used by the transmitted signal, a precoding matrix used by the transmitted signal, and a transmission signal.
  • the information of the selected antenna port and the like, the embodiment of the present invention is not limited thereto.
  • the first dynamic scheduling signaling sent by the receiving network device includes:
  • the second dynamic scheduling signaling of the first user equipment sent by the network device including:
  • the second dynamic scheduling signaling of the first user equipment that is sent by the network device, where the first time period and the second time period belong to different transmission time intervals. That is, the first time period of receiving the first dynamic scheduling signaling sent by the network device belongs to a different transmission time interval TTI from the second time period of receiving the second dynamic scheduling signaling of the first user equipment sent by the network device.
  • the first user equipment receives a second time period in which the network device sends the second dynamic scheduling signaling of the first user equipment, and the user equipment receiving network equipment is first according to the second dynamic scheduling signaling of the first user equipment.
  • the third period in which the user equipment sends the downlink data signal belongs to the same frame.
  • the time at which the first user equipment determines the information bit may be the same as the first time or the second time, and may also belong to different ⁇ , and the embodiment of the present invention is not limited thereto.
  • the time dimension is typically divided by a certain length in a communication system.
  • the time dimension is divided in units of , and the length of one ⁇ is lms.
  • the network device and the user equipment will divide the same absolute time differently. For example, if the network device sends a certain ⁇ , the UE will delay the reception, so the two understand different ⁇ .
  • the time instant described in the present invention indicates the number of the time period in which an operation is located, and may be, for example, a number of ⁇ .
  • the second dynamic scheduling signaling of the first user equipment includes power control information, and in S320, the second dynamic scheduling signaling according to the first user equipment is used to the network device.
  • Sending uplink data signals including:
  • the user equipment may adjust the transmit power used by the UE to send the PUSCH according to the power control information in the second dynamic scheduling signaling, thereby further making the scheduling scheme better adapt to the change of the channel environment, thereby It can further improve the reliability of signal transmission and improve the user experience.
  • the receiving, by the information bit indicated by the index information, the second dynamic scheduling signaling of the first user equipment that is sent by the network device includes: receiving the network device a signaling packet identified by a group identifier sent in a multicast or multicast manner, the signaling packet including second dynamic scheduling signaling of the first user equipment, and including other than the first user equipment a second dynamic scheduling signaling of the second user equipment of the at least one user equipment, the information bit indicating a location of the second dynamic scheduling signaling of the first user equipment in the signaling packet.
  • the first user equipment receives a signaling packet sent by the network device in a multicast or multicast manner, the letter Deleting the packet with a group identifier, the signaling packet including second dynamic scheduling signaling of the first user equipment, and second of the second user equipment including the at least one user equipment except the first user equipment Dynamic scheduling signaling, the information bit indicating the location of the second dynamic scheduling signaling of the second user equipment in the signaling packet.
  • the network device may combine the second dynamic scheduling signaling of multiple UEs into one signaling packet, and send the signaling packet to multiple UEs, where the signaling packet is identified by using the group identifier. And the location of the second dynamic scheduling signaling of each user equipment in the signaling packet is corresponding to the information bit of the second dynamic scheduling signaling used by the network device to be used according to the index information to carry the user equipment.
  • All UEs that detect the first dynamic scheduling signaling can use the group identifier to detect the signaling packet, and can determine the second dynamic sent to the network device according to the index information obtained in the first dynamic scheduling signaling. Scheduling signaling corresponding information bits, so that the user equipment can obtain its own second dynamic scheduling signaling, that is, 2-bit information, from the signaling packet, so that the user equipment can adjust the scheduling scheme according to the second dynamic scheduling signaling. To improve the reliability of signal transmission and improve the user experience.
  • the first user equipment and the second user equipment are scheduled to have the same transmission time interval. That is, each user equipment to which each second dynamic scheduling signaling included in the signaling packet belongs has the same transmission time interval.
  • the value of the group identifier is determined according to the identity of the cell to which the first user equipment belongs.
  • the value of the group identifier is determined according to the number of the transmission time interval when the first user equipment is scheduled.
  • the size of the signaling packet is a fixed value; or the size of the signaling packet is a first value notified by the network device by using a broadcast; or the size of the signaling packet is based on a system bandwidth, and dynamically scheduling signaling resources. At least one of the capacity and the number of bits of the index information is determined.
  • the number of bits of the index information is a fixed value; or the number of bits of the index information is a second value notified by the network device by broadcast; or the number of bits of the index information is based on system bandwidth and resources for dynamically scheduling signaling At least one of the capacities is determined.
  • the first user equipment included in the signaling packet and the second dynamic scheduling signaling of the second user equipment are the same length. That is, the length of the second dynamic scheduling signaling of each user equipment included in the signaling packet is the same.
  • the length of the second dynamic scheduling signaling of the first user equipment is a pre-stored value; or the length of the second dynamic scheduling signaling of the first user equipment is a third value that is notified by the network device by using a broadcast.
  • the method 300 further includes:
  • S350 Determine, according to the index information and a length of the second dynamic scheduling signaling of the first user equipment, information bits used to carry the second dynamic scheduling signaling of the first user equipment.
  • the first user equipment may receive the second dynamic scheduling signaling of the first user equipment sent by the network device on the determined information bit.
  • the network device may send signaling to the UE in a unicast manner, notify the value of the number of bits N b included in the second dynamic scheduling signaling, and may send different values to different UEs. After receiving the UE, the information bit is determined according to the received N b . Different from the previous embodiments, the network device may configure different values of N b for different UEs, and the method for determining is not limited.
  • the network device may also determine the value of N b according to the path loss of different UEs. Generally, the larger the path loss, the closer the UE is to the edge of the cell, and the larger the channel fluctuation, the same effect can be achieved.
  • the type of the scheduling information included in the second dynamic scheduling signaling of the first user equipment is at least one of the types of scheduling information included in the first dynamic scheduling signaling.
  • the first dynamic scheduling signaling is used to indicate a subset of the scheduling information
  • the second dynamic scheduling signaling of the first user equipment is used to indicate an element in the alternative subset
  • the method 300 further includes: S360. Receive an adjustment granularity of the second dynamic scheduling signaling of the first user equipment sent by the network device.
  • the method 300 after receiving the first dynamic scheduling signaling sent by the network device, the method 300 further includes:
  • the UE may determine the final scheduling solution according to the two dynamic scheduling signaling, and The uplink data signal may be sent according to the scheme. If the UE only detects the first dynamic scheduling signaling sent by the network device, the UE may determine the final scheduling scheme according to the first dynamic scheduling signaling, and may send the uplink data signal according to the scheme. .
  • the network device sends the first dynamic scheduling signaling to the UE, including using the information of the MCS of level 10; and then sends the second dynamic scheduling signaling to the UE, including the MCS level adjustment value of +3.
  • the UE may modulate and encode the uplink data by using the MCS of level 13; if the UE is only subjected to the first dynamic scheduling signaling, the UE may use The MCS at level 10 modulates and encodes the upstream data.
  • the uplink data may be demodulated and decoded by using the MCS of level 13. If the decoding is not correct, the uplink data may be demodulated and decoded using the MCS of level 10.
  • the size of the sequence numbers of the above processes does not mean the order of execution, and the order of execution of each process should be determined by its function and internal logic, and should not be taken to the embodiments of the present invention.
  • the implementation process constitutes any limitation.
  • the method for scheduling radio resources in the embodiment of the present invention can use the two dynamic scheduling signaling to schedule uplink or downlink resources for the user equipment, so that the scheduling scheme can better adapt to the channel environment.
  • the change can improve the reliability of signal transmission and improve the user experience.
  • FIG. 9 illustrates a method 400 of scheduling radio resources, which may be performed by a user equipment, in accordance with an embodiment of the present invention. As shown in FIG. 9, the method 400 includes:
  • the first dynamic scheduling signaling sent by the network device is received, where the first dynamic scheduling signaling includes frequency information for indicating a frequency resource and index information for indicating whether to adjust the scheduling solution.
  • all the options of the index information may include at least one candidate for indicating that the UE does not adjust the scheduling scheme.
  • the network device may send the index information including the candidate to the UE in the first dynamic scheduling signaling, where the UE After receiving, the information in the second dynamic scheduling signaling is not detected in the second time period.
  • the size of the sequence numbers of the above processes does not mean the order of execution, and the order of execution of each process should be determined by its function and internal logic, and should not be taken to the embodiments of the present invention.
  • the implementation process constitutes any limitation.
  • the method for scheduling radio resources in the embodiment of the present invention can use the two dynamic scheduling signaling to schedule uplink or downlink resources for the user equipment, so that the scheduling scheme can better adapt to changes in the channel environment, thereby improving signal transmission reliability. Sex, improve the user experience.
  • the network device further carries, in the first dynamic scheduling signaling, index information for indicating whether to adjust the scheduling scheme, so that the network device dynamically indicates to the scheduled UE whether the scheduling included in the first dynamic scheduling signaling is included.
  • the solution is adjusted so that more resources can be utilized to schedule more UEs to reduce system resource overhead and improve resource utilization.
  • a network device 500 includes:
  • the first sending module 510 is configured to send, to the first user equipment, first dynamic scheduling signaling, where the first dynamic scheduling signaling includes frequency information for indicating a frequency resource and index information for indicating the information bit.
  • the second sending module 520 is configured to send the second dynamic scheduling signal of the first user equipment to the first user equipment on the information bit indicated by the index information sent by the first sending module 510.
  • the control module 530 is configured to send, by using the second dynamic scheduling signaling of the first user equipment, the downlink data signal to the first user equipment on the frequency resource indicated by the frequency information sent by the first sending module 510, or And receiving the uplink sent by the first user equipment according to the second dynamic scheduling signaling of the first user equipment sent by the second sending module 520, on the frequency resource indicated by the frequency information sent by the first sending module 510.
  • Data signal the network device in the embodiment of the present invention can schedule the uplink or downlink resources for the user equipment by using two dynamic scheduling signalings, so that the scheduling scheme can better adapt to the change of the channel environment, thereby improving the reliability of signal transmission and improving. user experience.
  • the network device further carries, in the first dynamic scheduling signaling, index information for indicating whether to adjust the scheduling scheme, so that the network device dynamically indicates to the scheduled UE whether the scheduling included in the first dynamic scheduling signaling is included.
  • the solution is adjusted so that more resources can be utilized to schedule more UEs to reduce system resource overhead and improve resource utilization.
  • the network device may be a base station, an access point AP, a remote wireless device RRE, a remote radio port RRH, a remote radio unit RRU, or a relay node RN. It should be understood that, in the embodiment of the present invention, the network device may also be another device with a scheduling function, for example, a UE having a scheduling function, and the like, which is not limited thereto.
  • the second dynamic scheduling signaling of the first user equipment sent by the second sending module 520 includes at least one of the following information: a modulation mode, a coding rate, a transmit antenna port, and Precoding matrix indication.
  • the first sending module 510 is configured to send the first dynamic scheduling signaling to the first user equipment in a first time period; the second sending module 520 is configured to be in the second The second dynamic scheduling signaling of the first user equipment is sent to the first user equipment, where the first time period and the second time period belong to different transmission time intervals.
  • the second dynamic scheduling signaling of the first user equipment that is sent by the second sending module 520 includes power control information, where the control module 530 is further configured to receive the first user. And an uplink data signal sent by the device according to the power control information included in the second dynamic scheduling signaling of the first user equipment.
  • the second sending module 520 is further configured to: send the signaling packet identified by the group identifier to the first user equipment in a multicast or multicast manner, where the signaling The packet includes second dynamic scheduling signaling of the first user equipment, and dynamic scheduling signaling of the second user equipment including at least one user equipment other than the first user equipment, the information bit indicating the first user equipment The location of the second dynamic scheduling signaling in the signaling packet.
  • the first user equipment and the second user equipment are scheduled to have the same transmission time interval. That is, each user equipment to which each second dynamic scheduling signaling included in the signaling packet sent by the second sending module 520 belongs is scheduled to have the same transmission time interval.
  • the value of the group identifier is determined according to the identifier of the cell to which the first user equipment belongs.
  • the value of the group identifier is determined according to the number of the transmission time interval when the first user equipment is scheduled.
  • the size of the signaling packet is a fixed value; or the size of the signaling packet is a first value notified by the network device by using a broadcast; or the size of the signaling packet is based on a system bandwidth. At least one of the resource capacity of the dynamic scheduling signaling and the number of bits of the index information is determined.
  • the number of bits of the index information sent by the first sending module 510 is a fixed value; or the number of bits of the index information sent by the first sending module 510 is that the network device broadcasts The second value of the notification; or the number of bits of the index information sent by the first sending module 510 is determined according to at least one of system bandwidth and resource capacity of dynamic scheduling signaling.
  • the first user equipment that is sent by the second sending module 520 and the second dynamic scheduling signaling of the second user equipment are the same length. That is, the second dynamic scheduling signaling of each user equipment included in the signaling packet sent by the second sending module 520 is the same length.
  • the length of the second dynamic scheduling signaling of the first user equipment sent by the second sending module 520 is a pre-stored value; or the first user sent by the second sending module 520
  • the length of the second dynamic scheduling signaling of the device is a third value that the network device notifies by broadcasting.
  • the network device 500 further includes: a third sending module 540, configured to send, to the first user equipment, a second dynamic scheduling signal of the first user equipment.
  • the length of the command, the length of the second dynamic scheduling signaling of the first user equipment is different from the length of the second dynamic scheduling signaling of the at least one user equipment in the second user equipment, and the second dynamic of the first user equipment
  • the length of the scheduling signaling is used to enable the first user equipment to determine the information bits of the second dynamic scheduling signaling that carries the first user equipment according to the length.
  • the third sending module 540 may be configured to send the first user to the first user equipment before the control module 530 sends the downlink data signal to the first user equipment or receives the uplink data signal sent by the first user equipment.
  • the length of the second dynamic scheduling signaling of the device; the third sending module 540 may also be before the sending of the first dynamic scheduling signaling or the second dynamic scheduling signaling, or in the first dynamic scheduling signaling or the second dynamic scheduling signaling After the transmission of the command, the length of the second dynamic scheduling signaling of the first user equipment is sent to the first user equipment, and the embodiment of the present invention is not limited thereto.
  • the type of the scheduling information included in the second dynamic scheduling signaling of the first user equipment that is sent by the second sending module 520 is the scheduling information included in the first dynamic scheduling signaling. At least one of the types.
  • the type of the scheduling information included in the second dynamic scheduling signaling of the first user equipment that is sent by the second sending module 520, and the first sending by the first sending module 510 is used to indicate the candidate. An element in a subset.
  • the network device 500 further includes: a fourth sending module 550, configured to send, to the first user equipment, a second dynamic scheduling signal of the first user equipment.
  • the adjustment granularity wherein the adjustment granularity is used to adjust the value of the scheduling information included in the second dynamic scheduling signaling of the first user equipment according to the adjusted granularity.
  • the fourth sending module 550 sends the second user equipment to the first user equipment before the control module 530 sends the downlink data signal to the first user equipment or receives the uplink data signal sent by the first user equipment.
  • the fourth sending module 550 is also The adjusting granularity may be sent to the first user equipment before the sending of the first dynamic scheduling signaling or the second dynamic scheduling signaling, or after the sending of the first dynamic scheduling signaling or the second dynamic scheduling signaling, Embodiments of the invention are not limited thereto.
  • the network device 500 may correspond to the network device in the embodiment of the present invention, and the above and other operations and/or functions of the respective modules in the network device 500 are respectively implemented in FIG. 1 to FIG. 9 .
  • the corresponding processes of the respective methods 100 to 400 are not described here.
  • the network device in the embodiment of the present invention can schedule the uplink or downlink resources for the user equipment by using two dynamic scheduling signalings, so that the scheduling scheme can better adapt to the change of the channel environment, thereby improving the reliability of signal transmission and improving. user experience.
  • the network device further carries an index of the information in the second dynamic scheduling signaling in the first dynamic scheduling signaling, so that the network device dynamically indicates to the scheduled UE that the information used by the second dynamic scheduling signaling is sent.
  • the bit can be used to fully utilize the limited information bits to satisfy the scheduling for multiple UEs, so as to reduce the information bit resource overhead required for dynamic scheduling signaling and improve resource utilization.
  • FIG 13 shows a schematic block diagram of a network device 600 in accordance with an embodiment of the present invention.
  • the network device 600 includes:
  • the sending module 610 is configured to send the first dynamic scheduling signaling to the user equipment, where the first dynamic scheduling signaling includes frequency information for indicating a frequency resource and index information for indicating whether to adjust the scheduling scheme.
  • the first control module 620 is configured to determine, according to the index information sent by the sending module 610, an information bit for carrying the second dynamic scheduling signaling, when the index information sent by the sending module 610 indicates the adjustment scheduling scheme;
  • the second dynamic scheduling signaling is sent to the user equipment on the information bit;
  • the downlink data signal is sent to the user equipment according to the second dynamic scheduling signaling on the frequency resource indicated by the frequency information sent by the sending module 610, Or receiving, on the frequency resource indicated by the frequency information sent by the sending module 610, an uplink data signal sent by the user equipment according to the second dynamic scheduling signaling;
  • the second control module 630 is configured to: when the index information sent by the sending module 610 indicates that the scheduling scheme is not adjusted, according to the frequency resource indicated by the frequency information sent by the sending module 610, according to the sending by the sending module 610
  • the first dynamic scheduling signaling sends a downlink data signal to the user equipment, or receives the uplink data signal sent by the user equipment according to the first dynamic scheduling signaling on the frequency resource indicated by the frequency information sent by the sending module 610.
  • the network device in the embodiment of the present invention can schedule the uplink or downlink resources for the user equipment by using two dynamic scheduling signalings, so that the scheduling scheme can better adapt to the change of the channel environment, thereby improving the reliability of signal transmission and improving. user experience.
  • the network device further carries an index of the information in the second dynamic scheduling signaling in the first dynamic scheduling signaling, so that the network device dynamically indicates to the scheduled UE that the information used by the second dynamic scheduling signaling is sent.
  • the bit can be used to fully utilize the limited information bits to satisfy the scheduling for multiple UEs, so as to reduce the information bit resource overhead required for dynamic scheduling signaling and improve resource utilization.
  • the user equipment 700 includes:
  • the first receiving module 710 is configured to receive first dynamic scheduling signaling sent by the network device, where the first dynamic scheduling signaling includes frequency information for indicating a frequency resource and index information for indicating the information bit.
  • the second receiving module 720 is configured to receive, by using the information bit indicated by the index information received by the first receiving module 710, the second dynamic scheduling signaling of the user equipment that is sent by the network device, where the control module 730 is configured to: Receiving the downlink data signal sent by the network device according to the second dynamic scheduling signaling of the user equipment received by the second receiving module 720, or the frequency resource indicated by the frequency information received by the first receiving module 710, or The uplink data signal is sent to the network device according to the second dynamic scheduling signaling of the user equipment received by the second receiving module 720, on the frequency resource indicated by the frequency information received by the first receiving module 710.
  • the user equipment in the embodiment of the present invention can schedule the uplink or downlink resources for the user equipment by using two dynamic scheduling signalings, so that the scheduling scheme can better adapt to the change of the channel environment, thereby improving the reliability of signal transmission and improving. user experience.
  • the user equipment may further determine, according to the information index of the second dynamic scheduling signaling carried in the first dynamic scheduling signaling, the information bits used by the network device to send the second dynamic scheduling signaling, so as to fully utilize the limited information.
  • the information bits are used to implement scheduling of multiple UEs, thereby reducing the information bit resource overhead required for dynamic scheduling signaling and improving resource utilization.
  • the second dynamic scheduling signaling of the user equipment received by the second receiving module 720 includes at least one of the following information: a modulation mode, a coding rate, and a sending. Antenna port and precoding matrix indication.
  • the first receiving module 710 is further configured to receive the first dynamic scheduling signaling sent by the network device in a first time period; the second receiving module 720 is further configured to be used in the first time The second period of time, the second dynamic scheduling signaling of the user equipment sent by the network device is received on the information bit, where the first time period and the second time period belong to different transmission time intervals. That is, the first receiving module 710 receives the first time period of the first dynamic scheduling signaling, and the second time period that the second receiving module 720 receives the second dynamic scheduling signaling belongs to a different transmission time interval TTI.
  • the second dynamic scheduling signaling of the user equipment received by the second receiving module 720 includes power control information, where the control module 730 is further configured to: according to the second receiving module The power control information included in the second dynamic scheduling signaling of the user equipment received by the 720 is sent to the network device.
  • the second receiving module 720 is further configured to: receive a signaling packet that is sent by the network device in a multicast or multicast manner and is identified by a group identifier, where the signaling packet is a second dynamic scheduling signaling including the user equipment, and second dynamic scheduling signaling of the second user equipment including at least one user equipment other than the user equipment, the information bit indicating a second dynamic scheduling of the user equipment The location of the signaling in the signaling packet.
  • the user equipment and the second user equipment are scheduled to have the same transmission time interval. That is, each user equipment to which each second dynamic scheduling signaling included in the signaling packet received by the second receiving module 720 is scheduled to have the same transmission time interval.
  • the value of the group identifier is determined according to the identifier of the cell to which the user equipment belongs.
  • the value of the group identifier is determined according to the number of the transmission time interval when the user equipment is scheduled.
  • the size of the signaling packet is a fixed value; or the size of the signaling packet is a first value notified by the network device by using a broadcast; or the size of the signaling packet is based on a system bandwidth. At least one of the resource capacity of the dynamic scheduling signaling and the number of bits of the index information is determined.
  • the number of bits of the index information received by the first receiving module 710 is a fixed value; or the number of bits of the index information received by the first receiving module 710 is broadcast by the network device.
  • the second value of the notification; or the number of bits of the index information received by the first receiving module 710 is determined according to at least one of system bandwidth and resource capacity of dynamic scheduling signaling.
  • the signaling packet received by the second receiving module 720 includes the same length of the second dynamic scheduling signaling of the user equipment and the second user equipment.
  • the length of the second dynamic scheduling signaling of the user equipment received by the second receiving module 720 is a pre-stored value; or the length of the second dynamic scheduling signaling of the user equipment received by the second receiving module 720 is The network device broadcasts the third value of the notification.
  • the user equipment 700 further includes: a third receiving module 740, configured to receive, by the network device, a length of the second dynamic scheduling signaling of the user equipment The length of the second dynamic scheduling signaling of the user equipment is different from the length of the second dynamic scheduling signaling of the at least one user equipment in the second user equipment;
  • the first determining module 750 is configured to determine, according to the index information received by the first receiving module 710 and the length of the second dynamic scheduling signaling of the user equipment received by the third receiving module 740, to determine that the user equipment is used to carry the user equipment. Information bits of the second dynamic scheduling signaling.
  • control module 730 may receive the downlink data signal sent by the network device according to the information bit determined by the first determining module 750, or send the uplink data signal to the network device.
  • the type of scheduling information included in the second dynamic scheduling signaling of the user equipment received by the second receiving module 720 is the type of scheduling information included in the first dynamic scheduling signaling. At least one of them.
  • the type of scheduling information included in the second dynamic scheduling signaling of the user equipment received by the second receiving module 720, and the first dynamic received by the first receiving module 710 When the scheduling information includes the same type of scheduling information, the first dynamic scheduling signaling is used to indicate a subset of the scheduling information, and the second dynamic scheduling signaling of the user equipment is used to indicate one of the alternative subsets. element.
  • the user equipment 700 further includes: a fourth receiving module 760, configured to receive, by the network device, an adjustment of the second dynamic scheduling signaling of the user equipment. Particle size
  • the second determining module 770 is configured to determine, according to the adjusted granularity received by the fourth receiving module 760, a value of the scheduling information included in the second dynamic scheduling signaling of the user equipment.
  • the user equipment 700 further includes: a sending module 780, configured to: when not receiving the second dynamic scheduling signaling of the user equipment sent by the network device And on the frequency resource indicated by the frequency information, according to the first dynamic scheduling The signaling sends an uplink data signal to the network device.
  • a sending module 780 configured to: when not receiving the second dynamic scheduling signaling of the user equipment sent by the network device And on the frequency resource indicated by the frequency information, according to the first dynamic scheduling The signaling sends an uplink data signal to the network device.
  • the user equipment 700 may correspond to the user equipment in the embodiment of the present invention, and the foregoing and other operations and/or functions of the respective modules in the user equipment 700 are respectively implemented in FIG. 1 to FIG. 9 .
  • the corresponding processes of the respective methods 100 to 400 are not described here.
  • the user equipment in the embodiment of the present invention can schedule the uplink or downlink resources for the user equipment by using two dynamic scheduling signalings, so that the scheduling scheme can better adapt to the change of the channel environment, thereby improving the reliability of signal transmission and improving. user experience.
  • the user equipment may further determine, according to the information index of the second dynamic scheduling signaling carried in the first dynamic scheduling signaling, the information bits used by the network device to send the second dynamic scheduling signaling, so as to fully utilize the limited information.
  • the information bits are used to implement scheduling of multiple UEs, thereby reducing the information bit resource overhead required for dynamic scheduling signaling and improving resource utilization.
  • FIG. 18 is a schematic block diagram of a user equipment 800 in accordance with another embodiment of the present invention. As shown in Figure 18, the user equipment 800 includes:
  • the receiving module 810 is configured to receive first dynamic scheduling signaling sent by the network device, where the first dynamic scheduling signaling includes frequency information for indicating a frequency resource and index information for indicating whether to adjust the scheduling scheme.
  • the first control module 820 is configured to: when the index information received by the receiving module 810 indicates an adjustment scheduling scheme, determine, according to the index information received by the receiving module 810, information bits used to carry the second dynamic scheduling signaling; Receiving the second dynamic scheduling signaling sent by the network device on the information bit; receiving, on the frequency resource indicated by the frequency information received by the receiving module 810, the downlink sent by the network device according to the second dynamic scheduling signaling The data signal, or the frequency resource indicated by the frequency information received by the receiving module 810, sends an uplink data signal to the network device according to the second dynamic scheduling signaling;
  • the second control module 830 is configured to: when the index information received by the receiving module 810 indicates that the scheduling scheme is not adjusted, according to the frequency resource indicated by the frequency information received by the receiving module 810, according to the receiving module 810 Receiving, by the first dynamic scheduling signaling, the downlink data signal sent by the network device, or the first dynamic scheduling signaling received by the receiving module 810, on the frequency resource indicated by the frequency information received by the receiving module 810 Network device sends uplink data Signal.
  • the user equipment 800 may correspond to the user equipment in the embodiment of the present invention, and the above and other operations and/or functions of the respective modules in the user equipment 800 are respectively implemented in FIG. 1 to FIG. 9 .
  • the corresponding processes of the respective methods 100 to 400 are not described here.
  • the user equipment in the embodiment of the present invention can schedule the uplink or downlink resources for the user equipment by using two dynamic scheduling signalings, so that the scheduling scheme can better adapt to the change of the channel environment, thereby improving the reliability of signal transmission and improving. user experience.
  • the user equipment may further determine, according to the information index of the second dynamic scheduling signaling carried in the first dynamic scheduling signaling, the information bits used by the network device to send the second dynamic scheduling signaling, so as to fully utilize the limited information.
  • the information bits are used to implement scheduling of multiple UEs, thereby reducing the information bit resource overhead required for dynamic scheduling signaling and improving resource utilization.
  • the embodiment of the present invention further provides a network device, where the network device includes: a transmitter and a receiver, where the transmitter is configured to send, to the first user equipment, first dynamic scheduling signaling, where the first dynamic scheduling signaling includes Frequency information for indicating a frequency resource and index information for indicating an information bit; the transmitter is further configured to send, to the first user equipment, the second dynamic of the first user equipment on the information bit indicated by the index information Dispatching signaling; the transmitter is further configured to send, according to the second dynamic scheduling signaling of the first user equipment, a downlink data signal to the first user equipment, or the receiver is configured to use, on the frequency resource indicated by the frequency information, The uplink data signal sent by the first user equipment according to the second dynamic scheduling signaling of the first user equipment is received on the frequency resource indicated by the frequency information.
  • the network device includes: a transmitter and a receiver, where the transmitter is configured to send, to the first user equipment, first dynamic scheduling signaling, where the first dynamic scheduling signaling includes Frequency information for indicating a frequency
  • the transmitter is further configured to: send the signaling packet identified by the group identifier to the first user equipment in a multicast or multicast manner, where the signaling packet includes the second user equipment Dynamic scheduling signaling, and second dynamic scheduling signaling of the second user equipment including at least one user equipment other than the first user equipment, the information bit indicating that the second dynamic scheduling signaling of the first user equipment is The location in the signaling packet.
  • the first user equipment and the second user equipment are scheduled to have the same transmission time interval.
  • the value of the group identifier is determined according to an identifier of a cell to which the first user equipment belongs.
  • the value of the group identifier is determined according to a number of a transmission time interval when the first user equipment is scheduled.
  • the size of the signaling packet sent by the sender is a fixed value; or the size of the signaling packet is a first value notified by the network device by using a broadcast; or the size of the signaling packet is dynamically scheduled according to system bandwidth. At least one of the resource capacity of the signaling and the number of bits of the index information is determined.
  • the number of bits of the index information sent by the sender is a fixed value; or the number of bits of the index information is a second value notified by the network device by broadcast; or the number of bits of the index information is based on system bandwidth and dynamics At least one of the resource capacity of the scheduling signaling is determined.
  • the signaling packet sent by the transmitter includes the same length of the second dynamic scheduling signaling of the first user equipment and the second user equipment.
  • the length of the second dynamic scheduling signaling of the first user equipment is a pre-stored value; or the length of the second dynamic scheduling signaling of the first user equipment is a third value that is notified by the network device by broadcast.
  • the transmitter before sending the downlink data signal to the first user equipment or receiving the uplink data signal sent by the first user equipment, the transmitter is further configured to: send the first user equipment to the first user equipment The length of the second dynamic scheduling signaling, the length of the second dynamic scheduling signaling of the first user equipment is different from the length of the second dynamic scheduling signaling of the at least one user equipment in the second user equipment, the first user equipment The length of the second dynamic scheduling signaling is used to determine, by the first user equipment, the information bits of the second dynamic scheduling signaling that carries the first user equipment according to the length.
  • the transmitter is further configured to: send the first dynamic scheduling signaling to the first user equipment in a first time period; the transmitter is further configured to: in the second time period, on the information bit The first user equipment sends the second dynamic scheduling signaling of the first user equipment, where the first time period and the second time period belong to different transmission time intervals.
  • the second dynamic scheduling signaling of the first user equipment sent by the transmitter includes at least one of the following information: a modulation mode, a coding rate, a transmit antenna port, and a precoding matrix indication.
  • the second dynamic scheduling signaling of the first user equipment that is sent by the transmitter includes power control information
  • the receiver is further configured to: receive the second user equipment according to the second user equipment
  • the dynamic scheduling signaling includes an uplink data signal sent by the power control information.
  • the transmitter before sending the downlink data signal to the first user equipment or receiving the uplink data signal sent by the first user equipment, the transmitter is further configured to: send the adjustment granularity to the first user equipment, where the adjustment The granularity is used to adjust the value of the scheduling information included in the second dynamic scheduling signaling of the first user equipment according to the adjusted granularity.
  • the type of the scheduling information included in the second dynamic scheduling signaling of the first user equipment that is sent by the transmitter is at least one of the types of scheduling information included in the first dynamic scheduling signaling.
  • the first dynamic scheduling signaling is used to indicate A subset of the scheduling information
  • the second dynamic scheduling signaling of the first user equipment is used to indicate an element in the subset of the options.
  • the network device according to the embodiment of the present invention may correspond to the network device 500 in the embodiment of the present invention, and the foregoing and other operations and/or functions of the respective modules in the network device are respectively implemented in FIG. 1 to FIG. The corresponding processes of the respective methods 100 to 400 are not described here.
  • the network device in the embodiment of the present invention can schedule the uplink or downlink resources for the user equipment by using two dynamic scheduling signalings, so that the scheduling scheme can better adapt to the change of the channel environment, thereby improving the reliability of signal transmission and improving. user experience.
  • the network device further carries, in the first dynamic scheduling signaling, index information for indicating whether to adjust the scheduling scheme, so that the network device dynamically indicates to the scheduled UE whether the scheduling included in the first dynamic scheduling signaling is included.
  • the solution is adjusted so that more resources can be utilized to schedule more UEs to reduce system resource overhead and improve resource utilization.
  • the network device may be a base station, an access point, a remote wireless device RRE, a remote wireless port RRH, a remote wireless unit RRU, or a relay node RN. It should be understood that, in the embodiment of the present invention, the network device may also be another device with a scheduling function, for example, a UE having a scheduling function, and the like, which is not limited thereto.
  • the embodiment of the present invention further provides a network device, where the network device includes: a transmitter, a processor, and a receiver, where the transmitter is configured to send, to the user equipment, first dynamic scheduling signaling, the first dynamic scheduling signaling. Include frequency information for indicating a frequency resource and index information for indicating whether to adjust a scheduling scheme;
  • the processor is configured to determine, according to the index information, information bits used to carry the second dynamic scheduling signaling; the transmitter is further configured to send the information to the user equipment on the information bit. And the second dynamic scheduling signaling is sent to the user equipment according to the second dynamic scheduling signaling, or the receiver is configured to indicate the frequency information on the frequency resource indicated by the frequency information.
  • the transmitter is further configured to: send, by using the first dynamic scheduling signaling, a downlink data signal to the user equipment on the frequency resource indicated by the frequency information, or the receiver further And receiving, on the frequency resource indicated by the frequency information, an uplink data signal sent by the user equipment according to the first dynamic scheduling signaling.
  • the network device according to the embodiment of the present invention may correspond to the network device 600 in the embodiment of the present invention, and the foregoing and other operations and/or functions of the respective modules in the network device are respectively implemented in FIG. 1 to FIG. The corresponding processes of the respective methods 100 to 400 are not described here.
  • the network device in the embodiment of the present invention can schedule the uplink or downlink resources for the user equipment by using two dynamic scheduling signalings, so that the scheduling scheme can better adapt to the change of the channel environment, thereby improving the reliability of signal transmission and improving. user experience.
  • the embodiment of the present invention further provides a user equipment, where the user equipment includes: a receiver and a transmitter, where the receiver is configured to receive first dynamic scheduling signaling sent by the network device, where the first dynamic scheduling signaling includes The frequency information indicating the frequency resource and the index information for indicating the information bit; the receiver is further configured to: receive, by the information bit indicated by the index information, the second dynamic scheduling signaling of the user equipment sent by the network device. The receiver is further configured to receive, according to the second dynamic scheduling signaling of the user equipment, the downlink data signal sent by the network device, or the transmitter is configured to indicate the frequency information, on the frequency resource indicated by the frequency information.
  • the uplink data signal is sent to the network device according to the second dynamic scheduling signaling of the user equipment.
  • the receiver is further configured to: receive a signaling packet that is sent by the network device in a multicast or multicast manner and is identified by a group identifier, where the signaling packet includes a second dynamic scheduling information of the user equipment. And a second dynamic scheduling signaling of the second user equipment including at least one user equipment other than the user equipment, the information bit indicating a location of the second dynamic scheduling signaling of the user equipment in the signaling packet .
  • the user equipment and the second user equipment are scheduled to have the same transmission time interval.
  • the value of the group identifier is determined according to an identifier of a cell to which the user equipment belongs.
  • the value of the group identifier is determined according to the number of the transmission time interval when the user equipment is scheduled.
  • the size of the signaling packet is a fixed value; or the size of the signaling packet is a first value notified by the network device by using a broadcast; or the size of the signaling packet is based on a system bandwidth, and dynamic scheduling signaling. At least one of the source capacity and the number of bits of the index information is determined.
  • the number of bits of the index information received by the receiver is a fixed value; or the number of bits of the index information received by the receiver is a second value notified by the network device by broadcast; or the receiver receives the The number of bits of the index information is determined according to at least one of system bandwidth and resource capacity of dynamic scheduling signaling.
  • the signaling packet received by the receiver includes the same length of the second dynamic scheduling signaling of the user equipment and the second user equipment.
  • the length of the second dynamic scheduling signaling of the user equipment received by the receiver is a pre-stored value; or the length of the second dynamic scheduling signaling of the user equipment received by the receiver is that the network device broadcasts a notification The third value.
  • the receiver is further configured to: receive a length of the second dynamic scheduling signaling of the user equipment sent by the network device, a length of the second dynamic scheduling signaling of the user equipment, and a length of the second user equipment
  • the second dynamic scheduling signaling of the at least one user equipment is different in length
  • the user equipment further includes a processor, configured to: receive, according to the index information received by the receiver, the received second dynamic scheduling signaling of the user equipment The length of the information bits used to carry the second dynamic scheduling signaling of the user equipment.
  • the receiver is further configured to receive the first dynamic scheduling signaling sent by the network device in a first time period; the receiver is further configured to receive the network device sending on the information bit in a second time period.
  • the second dynamic scheduling signaling of the user equipment received by the receiver includes at least one of the following information: a modulation mode, a coding rate, a transmit antenna port, and a precoding matrix indication.
  • the second dynamic scheduling signaling of the user equipment received by the receiver includes power control information
  • the transmitter is further configured to: include, according to the second dynamic scheduling signaling of the user equipment that is received by the receiver, The power control information sends an uplink data signal to the network device.
  • the receiver is further configured to receive, by the network device, an adjustment granularity of the second dynamic scheduling signaling of the user equipment, where the processor is further configured to determine the user equipment according to the adjusted granularity received by the receiver.
  • the second dynamic scheduling signaling includes the value of the scheduling information.
  • the type of the scheduling information included in the second dynamic scheduling signaling of the user equipment received by the receiver is at least one of the types of scheduling information included in the first dynamic scheduling signaling.
  • the scheduling included in the second dynamic scheduling signaling of the user equipment received by the receiver is used to indicate a subset of the scheduling information, the second of the user equipment, when the type of the information is the same as the type of the scheduling information included in the first dynamic scheduling signaling received by the receiver.
  • Dynamic scheduling signaling is used to indicate an element in the subset of alternatives.
  • the transmitter is further configured to: when the second dynamic scheduling signaling of the user equipment sent by the network device is not received, on the frequency resource indicated by the frequency information, according to the first dynamic scheduling signal Let the uplink data signal be sent to the network device.
  • the user equipment according to the embodiment of the present invention may correspond to the user equipment 700 in the embodiment of the present invention, and the above and other operations and/or functions of the respective modules in the user equipment are respectively implemented in order to implement the modes in FIG. 1 to FIG.
  • the corresponding processes of the respective methods 100 to 400 are not described here.
  • the user equipment in the embodiment of the present invention can schedule the uplink or downlink resources for the user equipment by using two dynamic scheduling signalings, so that the scheduling scheme can better adapt to the change of the channel environment, thereby improving the reliability of signal transmission and improving. user experience.
  • the user equipment may further determine, according to the information index of the second dynamic scheduling signaling carried in the first dynamic scheduling signaling, the information bits used by the network device to send the second dynamic scheduling signaling, so as to fully utilize the limited information.
  • the information bits are used to implement scheduling of multiple UEs, thereby reducing the information bit resource overhead required for dynamic scheduling signaling and improving resource utilization.
  • the embodiment of the present invention further provides a user equipment, where the user equipment includes: a receiver, a processor, and a transmitter, where the receiver is configured to receive first dynamic scheduling signaling sent by the network device, where the first dynamic scheduling signaling
  • the command includes frequency information for indicating a frequency resource and index information for indicating whether to adjust the scheduling scheme.
  • the processor is configured to determine, according to the index information, to carry the second dynamic scheduling signaling.
  • the information bit is used by the transmitter to receive the second dynamic scheduling signaling sent by the network device on the information bit; the receiver is further configured to use, according to the second dynamic scheduling, the frequency resource indicated by the frequency information
  • the signaling receives the downlink data signal sent by the network device, or the transmitter is further configured to: send the uplink data signal to the network device according to the second dynamic scheduling signaling on the frequency resource indicated by the frequency information; When the information indicates that the scheduling scheme is not adjusted, the receiver is further used for the frequency resource indicated by the frequency information.
  • Receiving, by the first dynamic scheduling signaling, the downlink data signal sent by the network device, or the transmitter is further configured to send, according to the first dynamic scheduling signaling, the network device to the frequency resource indicated by the frequency information. Send an upstream data signal.
  • the user equipment may correspond to the user in the embodiment of the present invention.
  • the apparatus 800, and the above-described and other operations and/or functions of the respective modules in the user equipment are respectively omitted in order to implement the respective processes of the respective methods 100 to 400 in FIGS. 1 to 9.
  • the user equipment in the embodiment of the present invention can schedule the uplink or downlink resources for the user equipment by using two dynamic scheduling signalings, so that the scheduling scheme can better adapt to the change of the channel environment, thereby improving the reliability of signal transmission and improving. user experience.
  • the user equipment may further determine, according to the information index of the second dynamic scheduling signaling carried in the first dynamic scheduling signaling, the information bits used by the network device to send the second dynamic scheduling signaling, so as to fully utilize the limited information.
  • the information bits are used to implement scheduling of multiple UEs, thereby reducing the information bit resource overhead required for dynamic scheduling signaling and improving resource utilization.
  • system and “network” are often used interchangeably herein.
  • the term “and/or,” in this context is merely an association that describes an associated object, indicating that there can be three relationships, for example, A and / or B, which can mean: A exists separately, and both A and B exist, alone There are three cases of B.
  • the character ",” in this paper, indicates that the contextual object is an "or" relationship.
  • B corresponding to A means that B is associated with A, and B can be determined based on A.
  • determining B according to A does not mean that B is determined only on the basis of A, but also based on A and/or other information.
  • the disclosed systems, devices, and methods may be implemented in other ways.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division, and may be implemented in actual implementation.
  • multiple units or components may be combined or integrated into another system, or some features may be omitted or not implemented.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, or an electrical, mechanical or other form of connection.
  • the components displayed for the unit may or may not be physical units, ie may be located in one place, or may be distributed over multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the embodiments of the present invention.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium.
  • the technical solution of the present invention contributes in essence or to the prior art, or all or part of the technical solution may be embodied in the form of a software product stored in a storage medium.
  • a number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes: a U disk, a removable hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and the like, which can store program codes. .

Abstract

La présente invention concerne un procédé, un équipement de réseau et un équipement utilisateur servant à ordonnancer des ressources radio. Ledit procédé comprend : la transmission d'une première signalisation d'ordonnancement dynamique à un premier équipement utilisateur, cette première signalisation d'ordonnancement dynamique comportant des informations de fréquences destinées à indiquer des ressources de fréquences et des informations d'index destinées à indiquer des bits d'informations (S110); la transmission, par les bits d'informations indiqués par les informations d'index, d'une seconde signalisation d'ordonnancement dynamique du premier équipement utilisateur à ce premier équipement utilisateur (S120); et la transmission, par les ressources de fréquences indiquées par les informations de fréquences, et conformément à la seconde signalisation d'ordonnancement dynamique du premier équipement utilisateur, de signaux de données de liaison descendante au premier équipement utilisateur, ou la réception, par les ressources de fréquences indiquées par les informations de fréquences, des signaux de données de liaison montante transmis par le premier équipement utilisateur conformément à la seconde signalisation d'ordonnancement dynamique de ce premier équipement utilisateur (S130). Le procédé, l'équipement de réseau et l'équipement utilisateur servant à ordonnancer des ressources radio selon les modes de réalisation de la présente invention permettent une meilleure adaptation du système d'ordonnancement au changement de l'environnement des canaux, ce qui rend la transmission de signaux plus fiable et améliore l'expérience utilisateur.
PCT/CN2012/084866 2012-11-20 2012-11-20 Procédé, équipement de réseau et équipement utilisateur servant à ordonnancer des ressources radio WO2014078981A1 (fr)

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PCT/CN2012/084866 WO2014078981A1 (fr) 2012-11-20 2012-11-20 Procédé, équipement de réseau et équipement utilisateur servant à ordonnancer des ressources radio

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