WO2022104657A1 - 下行控制信息加扰方法、装置、通信设备和存储介质 - Google Patents

下行控制信息加扰方法、装置、通信设备和存储介质 Download PDF

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Publication number
WO2022104657A1
WO2022104657A1 PCT/CN2020/130188 CN2020130188W WO2022104657A1 WO 2022104657 A1 WO2022104657 A1 WO 2022104657A1 CN 2020130188 W CN2020130188 W CN 2020130188W WO 2022104657 A1 WO2022104657 A1 WO 2022104657A1
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Prior art keywords
dci
paging
crc
scrambling
identifier
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PCT/CN2020/130188
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English (en)
French (fr)
Inventor
刘洋
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北京小米移动软件有限公司
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Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to PCT/CN2020/130188 priority Critical patent/WO2022104657A1/zh
Priority to CN202080003437.4A priority patent/CN112544114B/zh
Publication of WO2022104657A1 publication Critical patent/WO2022104657A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present application relates to the technical field of wireless communication, but is not limited to the technical field of wireless communication, and in particular, to a method, apparatus, communication device and storage medium for scrambling downlink control information (DCI, Downlink Control Information).
  • DCI Downlink Control Information
  • the process of receiving the paging message by the user equipment includes: detecting the physical downlink in the search space corresponding to the paging occasion (PO, Paging Occasion).
  • Control channel (PDCCH, Physical Downlink Control Channel), and then parse out the DCI carrying the paging scheduling information, if the DCI is successfully parsed, the physical downlink shared channel (PDSCH, Physical Downlink Share Channel) is used for scheduling based on the paging scheduling information.
  • the resource receives and demodulates the paging message.
  • DRX discontinuous reception mechanism
  • embodiments of the present disclosure provide a DCI scrambling method, apparatus, communication device, and storage medium.
  • a DCI scrambling method wherein, applied to a base station, the method includes:
  • the DCI In response to the DCI scheduling a paging message of the same type, using the scrambling identifier associated with the radio resource control (RRC, Radio Resource Control) connection state paging message of the user equipment UE associated with the paging message, the DCI
  • RRC Radio Resource Control
  • CRC Cyclic Redundancy Check
  • the scrambled CRC of the DCI using a scrambling identifier associated with the RRC connection state of the UE associated with the paging message includes:
  • the CRC of the DCI is scrambled by using a first identifier, where the first identifier is different from a Paging Radio Network Temporary Identity (P-RNTI, Paging-Radio Network Temporary Identity).
  • P-RNTI Paging Radio Network Temporary Identity
  • the scrambled CRC of the DCI using a scrambling identifier associated with the RRC connection state of the UE associated with the paging message includes:
  • the CRC of the DCI is scrambled with the P-RNTI.
  • the method further includes:
  • the CRC of the DCI is scrambled with a P-RNTI in response to the DCI scheduling different types of the paging messages.
  • the method further includes:
  • scrambling identifier scramble the CRC of the DCI carrying the early paging indication PEI; wherein the PEI is used to indicate whether to monitor the predetermined PO.
  • the DCI of the paging message is either within the PO or outside the PO.
  • a method for scrambling downlink control information DCI is provided, wherein, applied to a base station, the method includes:
  • the CRC of the DCI is scrambled using a scrambling identifier associated with the type of the paging message.
  • scrambling the CRC of the DCI by using a scrambling identifier associated with the type of the paging message includes:
  • a second identifier is used to scramble the CRC of the DCI, wherein the second identifier is different from the P-RNTI.
  • scrambling the CRC of the DCI by using a scrambling identifier associated with the type of the paging message includes:
  • a third identifier is used to scramble the CRC of the DCI; wherein the third identifier is different from the second identifier and the P-RNTI.
  • the method further includes:
  • the CRC of the DCI is scrambled with a P-RNTI in response to the DCI scheduling different types of the paging messages.
  • the method further includes:
  • the CRC of the DCI carrying the Paging Early Indication (PEI, Paging Early Indication) is scrambled; wherein, the PEI is used to indicate whether to monitor a predetermined PO.
  • the DCI is located within the PO or outside the PO.
  • a DCI descrambling method wherein, applied to a user equipment UE, the method includes:
  • the CRC of the DCI used to schedule the paging message is descrambled by using the scrambling identifier associated with the RRC connection state of the UE to descramble the paging message.
  • using an identifier associated with the state of the UE to descramble the CRC of the DCI used for scheduling the paging message including:
  • the CRC of the DCI is descrambled using a first identifier, where the first identifier is different from the P-RNTI.
  • the method further comprises: using the P-RNTI to descramble the CRC of the DCI.
  • using the identifier associated with the state of the UE to descramble the CRC of the DCI used for scheduling the paging message including:
  • the CRC of the DCI is descrambled using the P-RNTI.
  • using an identifier associated with the state of the UE to descramble the CRC of the DCI used for scheduling the paging message including:
  • using an identifier associated with the state of the UE to descramble the CRC of the DCI used for scheduling the paging message including:
  • the CRC of the DCI is descrambled using the P-RNTI.
  • the method further includes:
  • the CRC carrying the DCI of the paging early indication PEI is descrambled using the identifier associated with the state of the UE.
  • the method further includes:
  • a DCI scrambling apparatus wherein, applied to a base station, the apparatus includes: a first scrambling module, wherein:
  • the first scrambling module is configured to, in response to the DCI scheduling a paging message of the same type, use the scrambling identifier associated with the RRC connection state paging message of the user equipment UE associated with the paging message to The CRC of the DCI is scrambled.
  • the first scrambling module includes:
  • the first scrambling submodule is configured to use a first identifier to scramble the CRC of the DCI in response to the UE being in an idle state, where the first identifier is different from the P-RNTI.
  • the first scrambling module includes:
  • the second scrambling submodule is configured to use P-RNTI to scramble the CRC of the DCI in response to the UE being in a state other than the idle state.
  • the apparatus further comprises:
  • the second scrambling module is configured to use P-RNTI to scramble the CRC of the DCI in response to the DCI scheduling different types of the paging messages.
  • the apparatus further comprises:
  • the third scrambling module is configured to use the scrambling identifier to scramble the CRC of the DCI carrying the early paging indication PEI, wherein the PEI is used to indicate whether to monitor the predetermined PO.
  • the DCI is located within the PO or outside the PO.
  • a DCI scrambling apparatus wherein, when applied to a base station, the apparatus includes: a fourth scrambling module, wherein:
  • the fourth scrambling module is configured to use a scrambling identifier associated with the type of the paging message to scramble the CRC of the DCI in response to the DCI scheduling a paging message of the same type.
  • the fourth scrambling module includes:
  • the third scrambling submodule is configured to use a second identifier to scramble the CRC of the DCI in response to the paging message being a core network paging message CN paging, wherein the second identifier is different from the P- RNTI.
  • the fourth scrambling module includes:
  • a fourth scrambling submodule configured to use a third identifier to scramble the CRC of the DCI in response to the paging message being an access network paging message RAN paging; wherein the third identifier is different from the the second identifier and the P-RNTI.
  • the apparatus further includes:
  • a fifth scrambling module configured to use P-RNTI to scramble the CRC of the DCI in response to the DCI scheduling different types of the paging messages.
  • the apparatus further comprises:
  • the sixth scrambling module is configured to use the scrambling identifier to scramble the CRC of the DCI carrying the paging early indication PEI; wherein the PEI is used to indicate whether to monitor the predetermined PO.
  • the DCI is located within the PO or outside the PO.
  • a DCI descrambling apparatus wherein, applied to a user equipment UE, the apparatus includes: a first descrambling module, wherein:
  • the first descrambling module is configured to, according to the RRC connection state of the UE, use the scrambling identifier associated with the RRC connection state of the UE to descramble the CRC of the DCI used for scheduling the paging message to descramble the paging message .
  • the first descrambling module includes:
  • the first descrambling submodule is configured to use a first identifier to descramble the CRC of the DCI in response to the UE being in an idle state, where the first identifier is different from the P-RNTI.
  • the apparatus further comprises:
  • the second descrambling module is configured to use the P-RNTI to descramble the CRC of the DCI.
  • the first descrambling module includes:
  • the second descrambling submodule is configured to use the P-RNTI to descramble the CRC of the DCI in response to the UE being in a state other than the idle state.
  • the first descrambling module includes:
  • a third descrambling sub-module configured to use the first identifier and the second identifier to descramble the CRC of the DCI respectively in response to the UE being in an inactive state; wherein the second identifier is different from the the first identifier and the P-RNTI.
  • the first descrambling module includes:
  • the fourth descrambling sub-module is configured to use the P-RNTI to descramble the CRC of the DCI in response to the UE being in a connected state.
  • the apparatus further comprises:
  • the third descrambling module is configured to use the identifier associated with the state of the UE to descramble the CRC carrying the DCI of the paging early indication PEI.
  • the apparatus further comprises:
  • the determining module is configured to, in response to successfully descrambling the CRC of the DCI carrying the PEI, determine whether to monitor a predetermined PO according to the PEI.
  • a communication equipment apparatus including a processor, a memory, and an executable program stored on the memory and executable by the processor, wherein the processor executes the executable program.
  • the program executes the executable program.
  • the steps of the DCI scrambling method described in the first aspect or the second aspect, or the DCI descrambling method described in the third aspect are performed.
  • a storage medium on which an executable program is stored, wherein when the executable program is executed by a processor, the DCI scrambling according to the first aspect or the second aspect is implemented method, or the steps of the DCI descrambling method described in the third aspect.
  • the base station in response to the DCI scheduling a paging message of the same type, adopts the RRC connection status paging message related to the UE associated with the paging message. scrambled the CRC of the DCI.
  • the CRC of the DCI is scrambled by using the scrambling identifier associated with the RRC connection state of the UE, so that the UE in different RRC connection states can send the DCI scrambled by the CRC using different scrambling identifiers.
  • CRC descrambling is carried out in association with its own state, reducing the analysis of irrelevant DCI, thereby saving UE processing resources and power saving
  • FIG. 1 is a schematic structural diagram of a wireless communication system according to an exemplary embodiment
  • FIG. 2 is a schematic flowchart of a DCI scrambling method according to an exemplary embodiment
  • FIG. 3 is a schematic flowchart of another DCI scrambling method according to an exemplary embodiment
  • FIG. 4 is a schematic flowchart of yet another DCI scrambling method according to an exemplary embodiment
  • FIG. 5 is a schematic flowchart of still another DCI scrambling method according to an exemplary embodiment
  • FIG. 6 is a schematic flowchart of a DCI descrambling method according to an exemplary embodiment
  • FIG. 7 is a schematic flowchart of another DCI descrambling method according to an exemplary embodiment
  • FIG. 8 is a block diagram of a DCI scrambling apparatus according to an exemplary embodiment
  • FIG. 9 is a block diagram of another DCI descrambling apparatus according to an exemplary embodiment.
  • FIG. 10 is a block diagram of yet another DCI descrambling apparatus according to an exemplary embodiment
  • Fig. 11 is a block diagram of an apparatus for DCI scrambling or DCI descrambling according to an exemplary embodiment.
  • first, second, third, etc. may be used in embodiments of the present disclosure to describe various pieces of information, such information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other.
  • the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information.
  • the word "if” as used herein can be interpreted as "at the time of” or "when” or "in response to determining.”
  • FIG. 1 shows a schematic structural diagram of a wireless communication system provided by an embodiment of the present disclosure.
  • the wireless communication system is a communication system based on cellular mobile communication technology, and the wireless communication system may include: several terminals 11 and several base stations 12 .
  • the terminal 11 may be a device that provides voice and/or data connectivity to the user.
  • the terminal 11 may communicate with one or more core networks via a radio access network (RAN), and the terminal 11 may be an IoT terminal such as a sensor device, a mobile phone (or "cellular" phone) and a
  • RAN radio access network
  • the computer of the IoT terminal for example, may be a fixed, portable, pocket, hand-held, built-in computer or a vehicle-mounted device.
  • a station For example, a station (Station, STA), a subscriber unit (subscriber unit), a subscriber station (subscriber station), a mobile station (mobile station), a mobile station (mobile), a remote station (remote station), an access point, a remote terminal ( remote terminal), access terminal (access terminal), user device (user terminal), user agent (user agent), user equipment (user device), or user equipment (user equipment, UE).
  • the terminal 11 may also be a device of an unmanned aerial vehicle.
  • the terminal 11 may also be a vehicle-mounted device, for example, a trip computer with a wireless communication function, or a wireless communication device externally connected to the trip computer.
  • the terminal 11 may also be a roadside device, for example, a street light, a signal light, or other roadside devices with a wireless communication function.
  • the base station 12 may be a network-side device in a wireless communication system.
  • the wireless communication system may be the 4th generation mobile communication (4G) system, also known as the Long Term Evolution (Long Term Evolution, LTE) system; or, the wireless communication system may also be a 5G system, Also known as new radio (NR) system or 5G NR system.
  • the wireless communication system may also be a next-generation system of the 5G system.
  • the access network in the 5G system can be called NG-RAN (New Generation-Radio Access Network, a new generation of wireless access network).
  • the MTC system may be a network-side device in a wireless communication system.
  • the base station 12 may be an evolved base station (eNB) used in the 4G system.
  • the base station 12 may also be a base station (gNB) that adopts a centralized distributed architecture in the 5G system.
  • eNB evolved base station
  • gNB base station
  • the base station 12 adopts a centralized distributed architecture it usually includes a centralized unit (central unit, CU) and at least two distributed units (distributed unit, DU).
  • the centralized unit is provided with a protocol stack of a Packet Data Convergence Protocol (PDCP) layer, a Radio Link Control Protocol (Radio Link Control, RLC) layer, and a Media Access Control (Media Access Control, MAC) layer; distribution A physical (Physical, PHY) layer protocol stack is set in the unit, and the specific implementation manner of the base station 12 is not limited in this embodiment of the present disclosure.
  • PDCP Packet Data Convergence Protocol
  • RLC Radio Link Control Protocol
  • MAC Media Access Control
  • distribution A physical (Physical, PHY) layer protocol stack is set in the unit, and the specific implementation manner of the base station 12 is not limited in this embodiment of the present disclosure.
  • a wireless connection can be established between the base station 12 and the terminal 11 through a wireless air interface.
  • the wireless air interface is a wireless air interface based on the fourth generation mobile communication network technology (4G) standard; or, the wireless air interface is a wireless air interface based on the fifth generation mobile communication network technology (5G) standard, such as
  • the wireless air interface is a new air interface; alternatively, the wireless air interface may also be a wireless air interface based on a 5G next-generation mobile communication network technology standard.
  • an E2E (End to End, end-to-end) connection may also be established between the terminals 11 .
  • V2V vehicle to vehicle, vehicle-to-vehicle
  • V2I vehicle to Infrastructure, vehicle-to-roadside equipment
  • V2P vehicle to pedestrian, vehicle-to-person communication in vehicle-to-everything (V2X) communication etc. scene.
  • the above wireless communication system may further include a network management device 13 .
  • the network management device 13 may be a core network device in a wireless communication system, for example, the network management device 13 may be a mobility management entity (Mobility Management Entity) in an evolved packet core network (Evolved Packet Core, EPC). MME).
  • the network management device may also be other core network devices, such as a serving gateway (Serving GateWay, SGW), a public data network gateway (Public Data Network GateWay, PGW), a policy and charging rule functional unit (Policy and Charging Rules) Function, PCRF) or home subscriber server (Home Subscriber Server, HSS), etc.
  • the implementation form of the network management device 13 is not limited in this embodiment of the present disclosure.
  • the execution bodies involved in the embodiments of the present disclosure include, but are not limited to, UEs such as mobile phone terminals that support cellular mobile communication, and base stations.
  • paging messages can be classified into core network paging messages (CN paging) and access network paging messages (RAN paging) according to the source of the paging messages.
  • CN paging core network paging messages
  • RAN paging access network paging messages
  • the CRC of the DCI carrying the paging scheduling information corresponding to CN paging and/or RAN paging is scrambled by P-RNTI, and different scrambling methods are not used for UEs in different RRC connection states. Therefore, no matter what type of paging message is scheduled by the DCI, no matter what state the UE is in, the DCI can be descrambled and the DCI decoded. For example, the UE in the connected state will also descramble and schedule the DCI of CN paging, and the receiving object of CN paging is not the UE in the connected state, thus consuming the system resources of the UE and increasing the power consumption of the UE.
  • this exemplary embodiment provides a DCI scrambling method, and the DCI scrambling method can be applied to a base station of a cellular mobile communication system, including:
  • Step 201 In response to the DCI scheduling a paging message of the same type, the CRC of the DCI is scrambled using a scrambling identifier associated with the RRC connection state paging message of the UE associated with the paging message.
  • the UE may be a mobile phone terminal or the like that uses a cellular mobile communication technology to perform wireless communication.
  • the base station may be a communication device that provides an access network interface to a UE in a cellular mobile communication system.
  • the communication network may send paging messages to UEs in idle, inactive and connected states.
  • the paging process may be triggered by the core network and send the paging message to the UE through the base station, or the paging process may be triggered by the access network and send the paging message to the UE.
  • the paging message is used to notify the system information and notify the UE to receive information such as Earthquake and Tsunami Warning System (ETWS) or Commercial Mobile Alert Service (CMAS).
  • EWS Earthquake and Tsunami Warning System
  • CMAS Commercial Mobile Alert Service
  • Paging messages may be transmitted using PDSCH transmission resources.
  • the base station may schedule the paging message through the DCI, that is, the PDSCH transmission resource for transmitting the paging message is indicated through the DCI.
  • DCI may be transmitted using PDCCH transmission resources.
  • the UE can parse out the PDSCH transmission resource from the DCI, and use the PDSCH transmission resource to receive the paging message.
  • the base station can use the scrambling identifier associated with the RRC connection state of the user equipment UE associated with the paging message to The CRC of the DCI is scrambled.
  • the UE associated with the paging message may be the target UE to which the paging message is sent.
  • the base station may set different scrambling identifiers for the RRC connection state in which the UE is located, for example, set different scrambling identifiers for the UE in the idle state and the UE in the connected state. In this way, when the DCI is only used for scheduling paging messages sent to the UE in the idle state, such as CN paging, the scrambled identifier associated with the UE in the idle state can be used for scrambling.
  • the UE When the UE performs CRC descrambling of DCI, if the UE is in the connected state, the UE cannot perform descrambling, and the UE considers that there is no paging, and thus does not perform subsequent DCI decoding and parsing of the paging message, etc., thus saving the processing resources of the UE , thereby saving power.
  • the CRC of the DCI is scrambled by using the scrambling identifier associated with the RRC connection state of the UE, so that the UE in different RRC connection states can send the DCI scrambled by the CRC using different scrambling identifiers.
  • the scrambling identifier associated with its own state performs CRC descrambling to reduce the analysis of irrelevant DCI, thereby saving the processing resources of the UE, thereby saving power.
  • the scrambled CRC of the DCI using a scrambling identifier associated with the RRC connection state of the UE associated with the paging message includes:
  • the CRC of the DCI is scrambled by using a first identifier, where the first identifier is different from a Paging Radio Network Temporary Identity (P-RNTI, Paging-Radio Network Temporary Identity).
  • P-RNTI Paging Radio Network Temporary Identity
  • the base station may use the scrambling identifier associated with the idle state, that is, the first identifier, to scramble the CRC of the DCI.
  • the first identifier may be a newly set RNTI, such as CN-RNTI. The first identification is different from the P-RNTI.
  • the UE may use the first identifier associated with the idle state to perform descrambling. For example, CN-RNTI is used for descrambling.
  • the UE When the UE in the non-idle state performs the CRC descrambling of the DCI, the UE can use a scrambling identifier different from the first identifier for descrambling. Therefore, the descrambling cannot be successfully performed.
  • the UE considers that there is no paging and does not perform subsequent DCI decoding. And parse paging messages, etc., so as to save the processing resources of the UE, thereby saving power.
  • the base station uses P-RNTI to scramble different types of paging messages.
  • the UE may use the first identifier and the P-RNTI to perform descrambling at the same time, or firstly use the first identifier and the P-RNTI to perform descrambling in sequence. In this way, the compatibility of the UE with different scrambling modes can be improved.
  • the scrambled CRC of the DCI using a scrambling identifier associated with the RRC connection state of the UE associated with the paging message includes:
  • the CRC of the DCI is scrambled with the P-RNTI.
  • the base station can use P-RNTI to perform the CRC on the DCI. scrambling.
  • the UE may use the P-RNTI associated with its own RRC connection state to descramble.
  • the base station sends the DCI scrambled by the CRC using different scrambling identifiers to the idle state UE and the non-idle state UE respectively.
  • the UE can only descramble the CRC associated with its own state to reduce the parsing of irrelevant DCI, thereby saving the processing resources of the UE and thus saving power.
  • the method includes:
  • Step 301 In response to the DCI scheduling a paging message of the same type, the CRC of the DCI is scrambled using a scrambling identifier associated with the RRC connection state paging message of the UE associated with the paging message.
  • Step 302 Scrambling the CRC of the DCI with P-RNTI in response to the DCI scheduling different types of the paging messages.
  • the base station can use the scrambling identifier associated with the RRC connection state of the user equipment UE associated with the paging message to The CRC of the DCI is scrambled.
  • the UE associated with the paging message may be the target UE to which the paging message is sent.
  • the base station can use P-RNTI in the related art to perform CRC scrambling.
  • the UE may use the P-RNTI to perform CRC descrambling. In this way, the UE can be successfully descrambled even when the DCI has CN paging and RAN paging at the same time, reducing the DCI omission and improving the communication reliability.
  • the method further includes:
  • scrambling identifier scramble the CRC of the DCI carrying the early paging indication PEI; wherein the PEI is used to indicate whether to monitor the predetermined PO.
  • PEI is used to indicate whether the UE is monitoring DCI at PO.
  • the paging messages scheduled by DCI in one PO are not necessarily directed to all UEs. Therefore, the DCI carrying the PEI may be scrambled based on the UE's RRC connection status or the type of paging message scheduled by the DCI.
  • the DCI carrying the PEI may be located outside, and the PEI may indicate whether the UE monitors the PO.
  • the base station may set different scrambling identifiers for the RRC connection state in which the UE is located, for example, set different scrambling identifiers for the UE in the idle state and the UE in the connected state.
  • the base station can use the scrambling identifier associated with the non-idle state to scramble the DCI carrying the PEI.
  • the PEI may instruct the non-idle UE not to monitor or monitor the PO.
  • the non-idle UE uses the scrambling identifier associated with its own RRC connection state to descramble the DCI carrying the PEI, and determines the indication of the PEI, that is, does not monitor or monitor the PO, thereby saving the processing resources of the UE and thus the power consumption.
  • the UE in the idle state cannot descramble the DCI carrying the PEI, it can choose not to monitor the PO by default, thereby saving the processing resources of the UE and thus the power.
  • the UE in the idle state can also choose to monitor the PO by default, and then obtain the paging message.
  • the base station can set different scrambling identifiers for different types of paging messages.
  • the DCI in the PO is only used to schedule CN paging, and the base station can use the scrambling identifier associated with the CN paging to scramble the DCI carrying the PEI. Since both the idle UE and the inactive UE may receive CN Paging, the scrambling identifier associated with CN paging can be used to descramble the DCI carrying the PEI, and then the indication content of the PEI can be determined. If the UE cannot scramble the DCI carrying the PEI, it may not monitor the PO by default, thereby saving the processing resources of the UE and thus the power consumption.
  • the DCI of the paging message is either within the PO or outside the PO.
  • the DCI of the scheduling paging message may be inside the PO or outside the PO.
  • the UE may monitor the DCI and descramble within the PO, or may monitor the DCI and descramble outside the PO.
  • this exemplary embodiment provides a DCI scrambling method, and the DCI scrambling method can be applied to a base station of a cellular mobile communication system, including:
  • Step 401 In response to the DCI scheduling a paging message of the same type, the CRC of the DCI is scrambled using a scrambling identifier associated with the type of the paging message.
  • the UE may be a mobile phone terminal or the like that uses a cellular mobile communication technology to perform wireless communication.
  • the base station may be a communication device that provides an access network interface to a UE in a cellular mobile communication system.
  • the communication network may send paging messages to UEs in idle state, inactive state and connected state.
  • the paging process may be triggered by the core network and send the paging message to the UE through the base station, or the paging process may be triggered by the access network and send the paging message to the UE.
  • the paging message is used to notify the system information and notify the UE to receive information such as Earthquake and Tsunami Warning System (ETWS) or Commercial Mobile Alert Service (CMAS).
  • EWS Earthquake and Tsunami Warning System
  • CMAS Commercial Mobile Alert Service
  • Paging messages may be transmitted using PDSCH transmission resources.
  • the base station may schedule the paging message through the DCI, that is, the PDSCH transmission resource for transmitting the paging message is indicated through the DCI.
  • DCI may be transmitted using PDCCH transmission resources.
  • the UE can parse out the PDSCH transmission resource from the DCI, and use the PDSCH transmission resource to receive the paging message.
  • the base station can use the scrambling identifier associated with the type of paging message to CRC is scrambled.
  • paging messages can be classified into CN paging or RAN Paging by type.
  • the base station may set different scrambling identifiers for different types of paging messages. For example, different scrambling flags can be set for CN paging or RAN Paging. For example, when the paging scheduling information included in the DCI is only used for scheduling CN paging, the scrambling identifier associated with the UE in the idle state can be used for scrambling.
  • the UE performs the CRC descrambling of the DCI, it may determine the type of the paging message that may be received based on the state of the UE itself, and use the scrambling identifier associated with the type of the paging message for descrambling.
  • the scrambling identifier associated with CN paging can be used to scramble the DCI. If the UE is in an idle state, the UE can determine that the received paging message is CN paging, Therefore, the scrambling identifier associated with CN paging can be used for descrambling, and then the paging message can be received.
  • the UE can determine that the paging message received by itself is RAN paging, so it can use the scrambling identifier associated with RAN paging to descramble, so the DCI cannot be descrambled successfully, and subsequent DCI decoding and parsing search will not be performed. Call messages, etc., thereby saving the processing resources of the UE, thereby saving power.
  • the CRC of the DCI is scrambled by using the scrambling identifier associated with the type of the paging message, so that the UE in different RRC connection states can send the DCI scrambled by the CRC using different scrambling identifiers.
  • the CRC descrambling is performed in association with its own state, and the analysis of irrelevant DCI is reduced, thereby saving the processing resources of the UE, thereby saving power.
  • scrambling the CRC of the DCI by using a scrambling identifier associated with the type of the paging message includes:
  • the CRC of the DCI is scrambled with a second identifier, wherein the second identifier is different from the P-RNTI.
  • the base station can set different scrambling identifiers for CN paging and RAN paging respectively.
  • the second identity can be set for CN paging
  • the third identity can be set for RAN Paging.
  • the second identifier may be CN-RNTI
  • the third identifier may be RAN-RNTI.
  • CN-RNTI can be used for scrambling.
  • the idle state UE can determine that the type of the paging message that may be received is CN paging based on the state of the UE itself, and can use CN-RNTI for descrambling.
  • Inactive UEs may receive both CN paging and RAN paging, and can use CN-RNTI and CN-RNTI to descramble the DCI. Therefore, both the idle UE and the inactive UE can successfully resolve CN paging.
  • the UE uses CN-RNTI and RAN-RNTI to descramble DCI.
  • the UE may use CN-RNTI and RAN-RNTI to descramble DCI at the same time, or it may use CN-RNTI and RAN-RNTI to descramble DCI in sequence. disturb.
  • scrambling the CRC of the DCI by using a scrambling identifier associated with the type of the paging message includes:
  • a third identifier is used to scramble the CRC of the DCI; wherein the third identifier is different from the second identifier and the P- RNTI.
  • RAN-RNTI can be used for scrambling. Based on the state of the UE itself, the idle UE determines that the type of the paging message that may be received is CN paging, and uses the RAN-RNTI for descrambling, so it cannot be parsed, thereby saving the processing resources of the idle UE and thus saving power. Since both CN paging and RAN paging may be received by inactive UEs, CN-RNTI and RAN-RNTI can be used to descramble DCI to successfully resolve RAN paging. Here, the UE uses CN-RNTI and RAN-RNTI to descramble DCI. The UE may use CN-RNTI and RAN-RNTI to descramble DCI at the same time, or it may use CN-RNTI and RAN-RNTI to descramble DCI in sequence. disturb.
  • the method includes:
  • Step 501 In response to the DCI scheduling a paging message of the same type, the CRC of the DCI is scrambled using a scrambling identifier associated with the type of the paging message.
  • Step 502 Scrambling the CRC of the DCI with P-RNTI in response to the DCI scheduling different types of the paging messages.
  • the base station can use the scrambling identifier associated with the type of paging message to CRC is scrambled.
  • paging messages can be classified into CN paging or RAN Paging by type.
  • the base station can use the P-RNTI in the related art to perform CRC scrambling.
  • the UE may use the P-RNTI to perform CRC descrambling. In this way, the UE can be successfully descrambled even when the DCI has CN paging and RAN paging at the same time, reducing the DCI omission and improving the communication reliability.
  • the method further includes:
  • scrambling identifier scramble the CRC of the DCI carrying the early paging indication PEI; wherein the PEI is used to indicate whether to monitor the predetermined PO.
  • PEI is used to indicate whether the UE is monitoring DCI at PO.
  • the paging messages scheduled by DCI in one PO are not necessarily directed to all UEs. Therefore, the DCI carrying the PEI may be scrambled based on the UE's RRC connection status or the type of paging message scheduled by the DCI.
  • the DCI carrying the PEI may be located outside, and the PEI may indicate whether the UE monitors the PO.
  • the base station may set different scrambling identifiers for the RRC connection state in which the UE is located, for example, set different scrambling identifiers for the UE in the idle state and the UE in the connected state.
  • the base station can use the scrambling identifier associated with the non-idle state to scramble the DCI carrying the PEI.
  • the PEI may instruct the non-idle UE not to monitor or monitor the PO.
  • the non-idle UE uses the scrambling identifier associated with its own RRC connection state to descramble the DCI carrying the PEI, and determines the indication of the PEI, that is, does not monitor or monitor the PO, thereby saving the processing resources of the UE and thus the power consumption.
  • the UE in the idle state cannot descramble the DCI carrying the PEI, it can choose not to monitor the PO by default, thereby saving the processing resources of the UE and thus the power.
  • the UE in the idle state can also choose to monitor the PO by default, and then obtain the paging message.
  • the base station can set different scrambling identifiers for different types of paging messages.
  • the DCI in the PO is only used to schedule CN paging, and the base station can use the scrambling identifier associated with the CN paging to scramble the DCI carrying the PEI. Since both the idle UE and the inactive UE may receive CN Paging, the scrambling identifier associated with CN paging can be used to descramble the DCI carrying the PEI, and then the indication content of the PEI can be determined. If the UE cannot scramble the DCI carrying the PEI, it may not monitor the PO by default, thereby saving the processing resources of the UE and thus the power consumption.
  • the DCI is located within the PO or outside the PO.
  • the DCI of the scheduling paging message may be inside the PO or outside the PO.
  • the UE may monitor the DCI and descramble within the PO, or may monitor the DCI and descramble outside the PO.
  • this exemplary embodiment provides a DCI descrambling method, and the DCI scrambling method can be applied to a UE of a cellular mobile communication system, including:
  • Step 601 According to the RRC connection state of the UE, use the scrambling identifier associated with the RRC connection state of the UE to descramble the CRC of the DCI used for scheduling the paging message.
  • the UE may be a mobile phone terminal or the like that uses a cellular mobile communication technology to perform wireless communication.
  • the base station may be a communication device that provides an access network interface to a UE in a cellular mobile communication system.
  • the communication network may send paging messages to UEs in idle state, inactive state and connected state.
  • the paging process may be triggered by the core network and send the paging message to the UE through the base station, or the paging process may be triggered by the access network and send the paging message to the UE.
  • the paging message is used to notify the system information and notify the UE to receive the Earthquake and Tsunami Warning System (ETWS) or the Commercial Mobile Alert Serv.
  • the paging message can be transmitted using PDSCH transmission resources.
  • the base station may schedule the paging message through the DCI, that is, the PDSCH transmission resource for transmitting the paging message is indicated through the DCI.
  • DCI may be transmitted using PDCCH transmission resources.
  • the UE can parse out the PDSCH transmission resource from the DCI, and use the PDSCH transmission resource to receive the paging message.
  • the base station can use the scrambling identifier associated with the RRC connection state of the user equipment UE associated with the paging message to The CRC of the DCI is scrambled.
  • the UE associated with the paging message may be the target UE to which the paging message is sent.
  • the base station may set different scrambling identifiers for the RRC connection state in which the UE is located, for example, set different scrambling identifiers for the UE in the idle state and the UE in the connected state. In this way, when the DCI is only used for scheduling paging messages sent to the UE in the idle state, such as CN paging, the scrambling identifier associated with the UE in the idle state can be used for scrambling.
  • the UE When the UE performs CRC descrambling of DCI, if the UE is in the connected state, the UE cannot perform descrambling, and the UE considers that there is no paging, and thus does not perform subsequent DCI decoding and parsing of the paging message, etc., thus saving the processing resources of the UE , thereby saving power.
  • the base station can use the scrambling identifier associated with the type of paging message to CRC is scrambled.
  • paging messages can be classified into CN paging or RAN Paging by type.
  • the base station may set different scrambling identifiers for different types of paging messages. For example, different scrambling flags can be set for CN paging or RAN Paging. For example, when the paging scheduling information included in the DCI is only used for scheduling CN paging, the scrambling identifier associated with the UE in the idle state can be used for scrambling.
  • the UE performs the CRC descrambling of the DCI, it may determine the type of the paging message that may be received based on the state of the UE itself, and use the scrambling identifier associated with the type of the paging message for descrambling.
  • the scrambling identifier associated with CN paging can be used to scramble the DCI. If the UE is in an idle state, the UE can determine that the received paging message is CN paging, Therefore, the scrambling identifier associated with CN paging can be used for descrambling, and then the paging message can be received.
  • the UE can determine that the paging message received by itself is RAN paging, so it can use the scrambling identifier associated with RAN paging to descramble, so the DCI cannot be descrambled successfully, and subsequent DCI decoding and parsing search will not be performed. Call messages, etc., thereby saving the processing resources of the UE, thereby saving power.
  • the CRC of the DCI is scrambled by using the scrambling identifier associated with the RRC connection state of the UE or the type of the paging message, so that the DCI scrambled by the CRC using different scrambling identifiers can be sent to UEs in different RRC connection states.
  • the UE can only descramble the CRC associated with its own state to reduce the analysis of irrelevant DCI, thereby saving the processing resources of the UE and thus saving power.
  • using an identifier associated with the state of the UE to descramble the CRC of the DCI used for scheduling the paging message including:
  • the CRC of the DCI is descrambled using a first identifier, where the first identifier is different from the P-RNTI.
  • the base station can use the scrambling identifier associated with the idle state, that is, the first identifier, for the DCI CRC is scrambled.
  • the first identifier may be a newly set RNTI, such as CN-RNTI. The first identification is different from the P-RNTI.
  • the UE may use the first identifier associated with the idle state to perform descrambling.
  • the UE When the UE in the non-idle state performs the CRC descrambling of the DCI, the UE can use a scrambling identifier different from the first identifier for descrambling. Therefore, the descrambling cannot be successfully performed.
  • the UE considers that there is no paging and does not perform subsequent DCI decoding. And parse paging messages, etc., so as to save the processing resources of the UE, thereby saving power.
  • the method further comprises: using the P-RNTI to descramble the CRC of the DCI.
  • the base station uses P-RNTI to scramble different types of paging messages.
  • the UE may use the first identifier and the P-RNTI to perform descrambling at the same time, or firstly use the first identifier and the P-RNTI to perform descrambling in sequence. In this way, the compatibility of the UE with different scrambling modes can be improved.
  • using an identifier associated with the state of the UE to descramble the CRC of the DCI used for scheduling the paging message including:
  • the CRC of the DCI is descrambled using the P-RNTI.
  • the paging message scheduled by the paging scheduling information of the base station may be CN paging or RAN Paging, then the base station can use P-RNTI to The CRC of the DCI is scrambled.
  • the UE may use the P-RNTI associated with its own RRC connection state to descramble.
  • the base station sends the DCI scrambled by the CRC using different scrambling identifiers to the idle state UE and the non-idle state UE respectively.
  • the UE can only descramble the CRC associated with its own state to reduce the parsing of irrelevant DCI, thereby saving the processing resources of the UE and thus saving power.
  • using an identifier associated with the state of the UE to descramble the CRC of the DCI used for scheduling the paging message including:
  • the base station can set different scrambling identifiers for CN paging and RAN paging respectively.
  • the first identification can be set for CN paging
  • the second identification can be set for RAN Paging.
  • the second identifier may be CN-RNTI
  • the third identifier may be RAN-RNTI.
  • CN-RNTI can be used for scrambling.
  • the idle state UE can determine that the type of the paging message that may be received is CN paging based on the state of the UE itself, and can use CN-RNTI for descrambling.
  • Inactive UEs may receive both CN paging and RAN paging, and can use CN-RNTI and CN-RNTI to descramble the DCI. Therefore, both the idle UE and the inactive UE can successfully resolve CN paging.
  • the UE uses CN-RNTI and RAN-RNTI to descramble DCI.
  • the UE may use CN-RNTI and RAN-RNTI to descramble DCI at the same time, or it may use CN-RNTI and RAN-RNTI to descramble DCI in sequence. disturb.
  • RAN-RNTI can be used for scrambling. Based on the state of the UE itself, the idle UE determines that the type of the paging message that may be received is CN paging, and uses the RAN-RNTI for descrambling, so it cannot be parsed, thereby saving the processing resources of the idle UE and thus saving power. Since both CN paging and RAN paging may be received by inactive UEs, CN-RNTI and RAN-RNTI can be used to descramble DCI to successfully resolve RAN paging. Here, the UE uses CN-RNTI and RAN-RNTI to descramble DCI. The UE may use CN-RNTI and RAN-RNTI to descramble DCI at the same time, or it may use CN-RNTI and RAN-RNTI to descramble DCI in sequence. disturb.
  • using an identifier associated with the state of the UE to descramble the CRC of the DCI used for scheduling the paging message including:
  • the CRC of the DCI is descrambled using the P-RNTI.
  • the base station may use the P-RNTI in the related art to perform CRC scrambling.
  • the UE may use P-RNTI for CRC descrambling. If the DCI uses CN-RNTI and RAN-RNTI to perform CRC scrambling, the descrambling cannot be successful, thereby reducing the parsing of irrelevant DCI, thereby saving UE processing resources and power.
  • the method includes:
  • Step 701 According to the RRC connection state of the UE, use the scrambling identifier associated with the RRC connection state of the UE to descramble the CRC of the DCI used for scheduling the paging message.
  • Step 702 Using the identifier associated with the state of the UE, descramble the CRC of the DCI carrying the PEI.
  • the method further includes: in response to the successful descrambling of the CRC of the DCI carrying the PEI, determining whether to monitor a predetermined PO according to the PEI.
  • the base station can use the scrambling identifier associated with the RRC connection state of the user equipment UE associated with the paging message to The CRC of the DCI is scrambled.
  • the UE associated with the paging message may be the target UE to which the paging message is sent.
  • the base station can use the scrambling identifier associated with the type of paging message to CRC is scrambled.
  • paging messages can be classified into CN paging or RAN Paging by type.
  • PEI is used to indicate whether the UE is monitoring DCI at PO.
  • the paging messages scheduled by DCI in one PO are not necessarily directed to all UEs. Therefore, the DCI carrying the PEI may be scrambled based on the UE's RRC connection status or the type of paging message scheduled by the DCI.
  • the DCI carrying the PEI may be located outside, and the PEI may indicate whether the UE monitors the PO.
  • the base station may set different scrambling identifiers for the RRC connection state in which the UE is located, for example, set different scrambling identifiers for the UE in the idle state and the UE in the connected state.
  • the base station can use the scrambling identifier associated with the non-idle state to scramble and carry DCI of PEI.
  • the PEI may instruct the non-idle UE not to monitor or monitor the PO.
  • the non-idle UE uses the scrambling identifier associated with its own RRC connection state to descramble the DCI carrying the PEI, and determines the indication of the PEI, that is, does not monitor or monitor the PO, thereby saving the processing resources of the UE and thus the power consumption.
  • the UE in the idle state cannot descramble the DCI carrying the PEI, it can choose not to monitor the PO by default, thereby saving the processing resources of the UE and thus the power.
  • the UE in the idle state can also choose to monitor the PO by default, and then obtain the paging message.
  • the base station can set different scrambling identifiers for different types of paging messages. For example, the paging scheduling information contained in the DCI in the PO is only used to schedule CN paging. scrambling. Since both the idle UE and the inactive UE may receive CN Paging, the scrambling identifier associated with CN paging can be used to descramble the DCI carrying the PEI, and then the indication content of the PEI can be determined. If the UE cannot scramble the DCI carrying the PEI, it may not monitor the PO by default, thereby saving the processing resources of the UE and thus the power consumption.
  • the communication system defines two new RNTIs for idle UEs/inactive UEs, respectively, which are used in the case where the paging scheduling information in the DCI only schedules RAN paging or CN paging.
  • the base station When there is only CN paging for a certain type of idle UE in a PO, the base station adopts a new CRC scrambling identifier for CN paging, such as PRNTI-CN.
  • the idle state UE uses the new CRC scrambling identifier, namely PRNTI-CN and P-RNTI, to decode the paging PDCCH;
  • the inactive UE uses P-RNTI instead of PRNTI-CN for descrambling, so it cannot detect the paging PDCCH, so it is considered that there is no paging, thus omitting the subsequent steps of DCI decoding and PDCCH parsing the paging message. the power saving effect.
  • the non-idle UE can ignore the following PO after identifying the PEI scrambled by the new CRC scrambling identifier, thereby achieving a greater power saving gain.
  • the base station uses PRNTI-RAN for scrambling, and the inactive UE uses P-RNTI and PRNTI-RAN to descramble the Paging PDCCH.
  • the idle state UE omits the following steps of DCI decoding and PDCCH parsing of the paging message, thereby achieving the effect of power saving.
  • the base station uses P-RNTI scrambling.
  • An embodiment of the present invention further provides a DCI scrambling apparatus, which is applied to a base station of wireless communication.
  • the DCI scrambling apparatus 100 includes: a first scrambling module 110, wherein:
  • the first scrambling module 110 is configured to schedule a paging message of the same type in response to the DCI, and use the scrambling identifier associated with the RRC connection state paging message of the user equipment UE associated with the paging message to perform the same
  • the CRC of the DCI is scrambled.
  • the first scrambling module 110 includes:
  • the first scrambling sub-module 111 is configured to use a first identifier to scramble the CRC of the DCI in response to the UE being in an idle state, where the first identifier is different from the P-RNTI.
  • the first scrambling module 110 includes:
  • the second scrambling sub-module 112 is configured to use P-RNTI to scramble the CRC of the DCI in response to the UE being in a state other than the idle state.
  • the apparatus 100 further includes:
  • the second scrambling module 120 is configured to use P-RNTI to scramble the CRC of the DCI in response to the DCI scheduling different types of the paging messages.
  • the apparatus 100 further includes:
  • the third scrambling module 130 is configured to use the scrambling identifier to scramble the CRC of the DCI carrying the paging early indication PEI, wherein the PEI is used to indicate whether to monitor the predetermined PO.
  • the DCI is located within the PO or outside the PO.
  • An embodiment of the present invention further provides a DCI scrambling apparatus, which is applied to a base station of wireless communication.
  • the DCI scrambling apparatus 200 includes: a fourth scrambling module 210, wherein:
  • the fourth scrambling module 210 is configured to use a scrambling identifier associated with the type of the paging message to scramble the CRC of the DCI in response to the DCI scheduling a paging message of the same type.
  • the fourth scrambling module 210 includes:
  • the third scrambling sub-module 211 is configured to use a second identifier to scramble the CRC of the DCI in response to the paging message being a core network paging message CN paging, wherein the second identifier is different from P -RNTI.
  • the fourth scrambling module 210 includes:
  • the fourth scrambling submodule 212 is configured to use a third identifier to scramble the CRC of the DCI in response to the paging message being an access network paging message RAN paging; wherein the third identifier is different from the second identifier and the P-RNTI.
  • the apparatus 200 further includes:
  • the fifth scrambling module 220 is configured to use P-RNTI to scramble the CRC of the DCI in response to the DCI scheduling different types of the paging messages.
  • the apparatus 200 further includes:
  • the sixth scrambling module 230 is configured to use the scrambling identifier to scramble the CRC of the DCI carrying the PEI of the paging early indication; wherein the PEI is used to indicate whether to monitor the predetermined PO.
  • the DCI is located within the PO or outside the PO.
  • An embodiment of the present invention further provides a DCI scrambling device, which is applied to a UE in wireless communication.
  • the device 300 includes: a first descrambling module 310, wherein:
  • the first descrambling module 310 is configured to, according to the RRC connection state of the UE, use the scrambling identifier associated with the RRC connection state of the UE to descramble and paging the CRC of the DCI used for scheduling the paging message information.
  • the first descrambling module 310 includes:
  • the first descrambling sub-module 311 is configured to use a first identifier to descramble the CRC of the DCI in response to the UE being in an idle state, where the first identifier is different from the P-RNTI.
  • the apparatus 300 further includes:
  • the second descrambling module 320 is configured to use the P-RNTI to descramble the CRC of the DCI.
  • the first descrambling module 310 includes:
  • the second descrambling sub-module 312 is configured to use the P-RNTI to descramble the CRC of the DCI in response to the UE being in a state other than the idle state.
  • the first descrambling module 310 includes:
  • the third descrambling sub-module 313 is configured to, in response to the UE being in an inactive state, use the first identifier and the second identifier to descramble the CRC of the DCI respectively; wherein the second identifier is different from the first identifier and the P-RNTI.
  • the first descrambling module 310 includes:
  • the fourth descrambling sub-module 314 is configured to use the P-RNTI to descramble the CRC of the DCI in response to the UE being in a connected state.
  • the apparatus 300 further includes:
  • the third descrambling module 330 is configured to use the identifier associated with the state of the UE to descramble the CRC carrying the DCI of the paging early indication PEI.
  • the apparatus 300 further includes:
  • the determining module 340 is configured to, in response to successful descrambling of the CRC of the DCI carrying the PEI, determine whether to monitor a predetermined PO according to the PEI.
  • CPU Central Processing Unit
  • GPU graphics processing unit
  • BP baseband processor
  • ASIC Application Specific Integrated Circuit
  • DSP Programmable Logic Device
  • PLD Programmable Logic Device
  • CPLD Complex Programmable Logic Device
  • FPGA Field-Programmable Gate Array
  • controller microcontroller
  • MCU Micro Controller Unit
  • microprocessor Microprocessor
  • FIG. 11 is a block diagram of an apparatus 3000 for DCI scrambling or DCI descrambling according to an exemplary embodiment.
  • apparatus 3000 may be a mobile phone, computer, digital broadcast terminal, messaging device, game console, tablet device, medical device, fitness device, personal digital assistant, and the like.
  • an apparatus 3000 may include one or more of the following components: a processing component 3002, a memory 3004, a power supply component 3006, a multimedia component 3008, an audio component 3010, an input/output (I/O) interface 3012, a sensor component 3014, And the communication component 3016.
  • the processing component 3002 generally controls the overall operation of the apparatus 3000, such as operations associated with display, phone calls, data communications, camera operations, and recording operations.
  • the processing component 3002 can include one or more processors 3020 to execute instructions to perform all or some of the steps of the methods described above.
  • processing component 3002 may include one or more modules that facilitate interaction between processing component 3002 and other components.
  • processing component 3002 may include a multimedia module to facilitate interaction between multimedia component 3008 and processing component 3002.
  • Memory 3004 is configured to store various types of data to support operation at device 3000 . Examples of such data include instructions for any application or method operating on the device 3000, contact data, phonebook data, messages, pictures, videos, and the like. Memory 3004 may be implemented by any type of volatile or non-volatile storage device or combination thereof, such as static random access memory (SRAM), electrically erasable programmable read only memory (EEPROM), erasable Programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Magnetic or Optical Disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read only memory
  • EPROM erasable Programmable Read Only Memory
  • PROM Programmable Read Only Memory
  • ROM Read Only Memory
  • Magnetic Memory Flash Memory
  • Magnetic or Optical Disk Magnetic Disk
  • Power supply assembly 3006 provides power to various components of device 3000.
  • Power supply components 3006 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power to device 3000.
  • Multimedia component 3008 includes a screen that provides an output interface between device 3000 and the user.
  • the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from a user.
  • the touch panel includes one or more touch sensors to sense touch, swipe, and gestures on the touch panel. A touch sensor can sense not only the boundaries of a touch or swipe action, but also the duration and pressure associated with the touch or swipe action.
  • the multimedia component 3008 includes a front-facing camera and/or a rear-facing camera. When the apparatus 3000 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera may receive external multimedia data. Each of the front and rear cameras can be a fixed optical lens system or have focal length and optical zoom capability.
  • Audio component 3010 is configured to output and/or input audio signals.
  • audio component 3010 includes a microphone (MIC) that is configured to receive external audio signals when device 3000 is in operating modes, such as call mode, recording mode, and voice recognition mode.
  • the received audio signal may be further stored in memory 3004 or transmitted via communication component 3016.
  • the audio component 3010 also includes a speaker for outputting audio signals.
  • the I/O interface 3012 provides an interface between the processing component 3002 and a peripheral interface module, which may be a keyboard, a click wheel, a button, and the like. These buttons may include, but are not limited to: home button, volume buttons, start button, and lock button.
  • Sensor assembly 3014 includes one or more sensors for providing status assessment of various aspects of device 3000 .
  • the sensor assembly 3014 can detect the open/closed state of the device 3000, the relative positioning of the components, such as the display and keypad of the device 3000, the sensor assembly 3014 can also detect the position change of the device 3000 or a component of the device 3000, the user The presence or absence of contact with the device 3000, the orientation or acceleration/deceleration of the device 3000 and the temperature change of the device 3000.
  • Sensor assembly 3014 may include a proximity sensor configured to detect the presence of nearby objects in the absence of any physical contact.
  • Sensor assembly 3014 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor component 3014 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • Communication component 3016 is configured to facilitate wired or wireless communication between apparatus 3000 and other devices.
  • the apparatus 3000 may access a wireless network based on a communication standard, such as Wi-Fi, 2G or 3G, or a combination thereof.
  • the communication component 3016 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel.
  • the communication component 3016 also includes a near field communication (NFC) module to facilitate short-range communication.
  • NFC near field communication
  • the NFC module may be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • apparatus 3000 may be implemented by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable A gate array (FPGA), controller, microcontroller, microprocessor or other electronic component implementation is used to perform the above method.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGA field programmable A gate array
  • controller microcontroller, microprocessor or other electronic component implementation is used to perform the above method.
  • non-transitory computer-readable storage medium including instructions, such as a memory 3004 including instructions, which are executable by the processor 3020 of the apparatus 3000 to perform the above method.
  • the non-transitory computer-readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like.

Abstract

本公开实施例是关于下行控制信息(DCI)加扰方法、装置、通信设备和存储介质，响应于DCI调度同一类型的寻呼消息，采用与所述寻呼消息所关联用户设备(UE)的无线资源控制(RRC)连接状态寻呼消息相关联的加扰标识，对所述DCI的循环冗余校验(CRC)进行加扰。

Description

下行控制信息加扰方法、装置、通信设备和存储介质 技术领域
本申请涉及无线通信技术领域但不限于无线通信技术领域，尤其涉及下行控制信息(DCI，Downlink Control Information)加扰方法、装置、通信设备和存储介质。
背景技术
第五代(5G，5 th Generation)蜂窝移动通信系统中，用户设备(UE，User Equipment)收寻呼消息的过程包括：在寻呼时机(PO，Paging Occasion)对应的搜索空间里检测物理下行控制信道(PDCCH，Physical Downlink Control Channel)，进而解析出携带有寻呼调度信息的DCI，如果成功解析到DCI，则基于寻呼调度信息的调度采用物理下行共享信道(PDSCH，Physical Downlink Share Channel)资源接收并解调寻呼消息。针对采用非连续接收机制(DRX，Discontinuous Reception)工作的UE，如果接收的寻呼消息的标识(ID)是UE自身的，则发起连接，否则继续睡眠；如果没有解析到DCI则说明在唤醒(DRX_on)的周期，没有寻呼消息。
发明内容
有鉴于此，本公开实施例提供了一种DCI加扰方法、装置、通信设备和存储介质。
根据本公开实施例的第一方面，提供一种DCI加扰方法，其中，应用于基站，所述方法包括：
响应于DCI调度同一类型的寻呼消息，采用与所述寻呼消息所关联用户设备UE的无线资源控制(RRC，Radio Resource Control)连接状态寻呼 消息相关联的加扰标识，对所述DCI的循环冗余校验(CRC，Cyclic Redundancy Check)进行加扰。
在一个实施例中，所述采用与所述寻呼消息所关联UE的RRC连接状态相关联的加扰标识，对所述DCI的CRC进行加扰，包括：
响应于UE处于空闲态，采用第一标识对所述DCI的CRC进行加扰，其中，所述第一标识不同于寻呼无线网络临时标识(P-RNTI，Paging-Radio Network Temporary Identity)。
在一个实施例中，所述采用与所述寻呼消息所关联UE的RRC连接状态相关联的加扰标识，对所述DCI的CRC进行加扰，包括：
响应于所述UE处于空闲态之外的状态，采用P-RNTI对所述DCI的CRC进行加扰。
在一个实施例中，所述方法还包括：
响应于所述DCI调度不同类型的所述寻呼消息，采用P-RNTI对所述DCI的CRC进行加扰。
在一个实施例中，所述方法还包括：
采用所述加扰标识，对携带有寻呼早期指示PEI的DCI的CRC进行加扰；其中，所述PEI，用于指示是否监听预定PO。
在一个实施例中，寻呼消息所述DCI位于PO之内或所述PO之外。
根据本公开实施例的第二方面，提供一种下行控制信息DCI加扰方法，其中，应用于基站，所述方法包括：
响应于DCI调度同一类型的寻呼消息，采用与所述寻呼消息的类型相关联的加扰标识，对所述DCI的CRC进行加扰。
在一个实施例中，所述采用与所述寻呼消息的类型相关联的加扰标识，对所述DCI的CRC进行加扰，包括：
响应于所述寻呼消息为核心网寻呼消息(CN paging)，采用第二标识对 所述DCI的CRC进行加扰，其中，所述第二标识不同于P-RNTI。
在一个实施例中，所述采用与所述寻呼消息的类型相关联的加扰标识，对所述DCI的CRC进行加扰，包括：
响应于所述寻呼消息为接入网寻呼消息(RAN paging)，采用第三标识对所述DCI的CRC进行加扰；其中，所述第三标识不同于所述第二标识和所述P-RNTI。
在一个实施例中，所述方法还包括：
响应于所述DCI调度不同类型的所述寻呼消息，采用P-RNTI对所述DCI的CRC进行加扰。
在一个实施例中，所述方法还包括：
采用所述加扰标识，对携带有寻呼早期指示(PEI，Paging Early Indication)的DCI的CRC进行加扰；其中，所述PEI，用于指示是否监听预定PO。
在一个实施例中，所述DCI位于PO之内或所述PO之外。
根据本公开实施例的第三方面，提供一种DCI解扰方法，其中，应用于用户设备UE，所述方法包括：
根据所述UE的RRC连接状态，采用与所述UE的RRC连接状态关联的加扰标识对用于调度寻呼消息的DCI的CRC进行解扰寻呼消息。
在一个实施例中，所述根据所述UE的状态，采用与所述UE的状态关联的标识对用于调度寻呼消息的DCI的CRC进行解扰，包括：
响应于UE处于空闲态，采用第一标识对所述DCI的CRC进行解扰，其中，所述第一标识不同于P-RNTI。
在一个实施例中，所述方法还包括：采用所述P-RNTI对所述DCI的CRC进行解扰。
在一个实施例中，所述根据所述UE的状态，采用与所述UE的状态关 联的标识对用于调度寻呼消息的DCI的CRC进行解扰，包括：
响应于UE处于所述空闲态之外的状态，采用P-RNTI对所述DCI的CRC进行解扰。
在一个实施例中，所述根据所述UE的状态，采用与所述UE的状态关联的标识对用于调度寻呼消息的DCI的CRC进行解扰，包括：
响应于所述UE处于非激活态，采用所述第一标识和第二标识分别对所述DCI的CRC进行解扰；其中，所述第二标识不同于所述第一标识和所述P-RNTI。
在一个实施例中，所述根据所述UE的状态，采用与所述UE的状态关联的标识对用于调度寻呼消息的DCI的CRC进行解扰，包括：
响应于所述UE处于连接态，采用所述P-RNTI对所述DCI的CRC进行解扰。
在一个实施例中，所述方法还包括：
采用与所述UE的状态关联的标识，对携带有寻呼早期指示PEI的DCI的CRC进行解扰。
在一个实施例中，所述方法还包括：
响应于对携带有所述PEI的DCI的CRC进行解扰成功，根据所述PEI，确定是否监听预定PO。
根据本公开实施例的第四方面，提供一种DCI加扰装置，其中，应用于基站，所述装置包括：第一加扰模块，其中，
所述第一加扰模块，配置为响应于DCI调度同一类型的寻呼消息，采用与所述寻呼消息所关联用户设备UE的RRC连接状态寻呼消息相关联的加扰标识，对所述DCI的CRC进行加扰。
在一个实施例中，所述第一加扰模块，包括：
第一加扰子模块，配置为响应于UE处于空闲态，采用第一标识对所述 DCI的CRC进行加扰，其中，所述第一标识不同于P-RNTI。
在一个实施例中，所述第一加扰模块，包括：
第二加扰子模块，配置为响应于所述UE处于空闲态之外的状态，采用P-RNTI对所述DCI的CRC进行加扰。
在一个实施例中，所述装置还包括：
第二加扰模块，配置为响应于所述DCI调度不同类型的所述寻呼消息，采用P-RNTI对所述DCI的CRC进行加扰。
在一个实施例中，所述装置还包括：
第三加扰模块，配置为采用所述加扰标识，对携带有寻呼早期指示PEI的DCI的CRC进行加扰；其中，所述PEI，用于指示是否监听预定PO。
在一个实施例中，其中，所述DCI位于PO之内或所述PO之外。
根据本公开实施例的第五方面，提供一种DCI加扰装置，其中，应用于基站，所述装置包括：第四加扰模块，其中，
所述第四加扰模块，配置为响应于DCI调度同一类型的寻呼消息，采用与所述寻呼消息的类型相关联的加扰标识，对所述DCI的CRC进行加扰。
在一个实施例中，所述第四加扰模块，包括：
第三加扰子模块，配置为响应于所述寻呼消息为核心网寻呼消息CN paging，采用第二标识对所述DCI的CRC进行加扰，其中，所述第二标识不同于P-RNTI。
在一个实施例中，所述第四加扰模块，包括：
第四加扰子模块，配置为响应于所述寻呼消息为接入网寻呼消息RAN paging，采用第三标识对所述DCI的CRC进行加扰；其中，所述第三标识不同于所述第二标识和所述P-RNTI。
在一个实施例中，所述装置还包括：
第五加扰模块，配置为响应于所述DCI调度不同类型的所述寻呼消息， 采用P-RNTI对所述DCI的CRC进行加扰。
在一个实施例中，所述装置还包括：
第六加扰模块，配置为采用所述加扰标识，对携带有寻呼早期指示PEI的DCI的CRC进行加扰；其中，所述PEI，用于指示是否监听预定PO。
在一个实施例中，所述DCI位于PO之内或所述PO之外。
根据本公开实施例的第六方面，提供一种DCI解扰装置，其中，应用于用户设备UE，所述装置包括：第一解扰模块，其中，
所述第一解扰模块，配置为根据所述UE的RRC连接状态，采用与所述UE的RRC连接状态关联的加扰标识对用于调度寻呼消息的DCI的CRC进行解扰寻呼消息。
在一个实施例中，所述第一解扰模块，包括：
第一解扰子模块，配置为响应于UE处于空闲态，采用第一标识对所述DCI的CRC进行解扰，其中，所述第一标识不同于P-RNTI。
在一个实施例中，所述装置还包括：
第二解扰模块，配置为采用所述P-RNTI对所述DCI的CRC进行解扰。
在一个实施例中，所述第一解扰模块，包括：
第二解扰子模块，配置为响应于UE处于所述空闲态之外的状态，采用P-RNTI对所述DCI的CRC进行解扰。
在一个实施例中，所述第一解扰模块，包括：
第三解扰子模块，配置为响应于所述UE处于非激活态，采用所述第一标识和第二标识分别对所述DCI的CRC进行解扰；其中，所述第二标识不同于所述第一标识和所述P-RNTI。
在一个实施例中，所述第一解扰模块，包括：
第四解扰子模块，配置为响应于所述UE处于连接态，采用所述P-RNTI对所述DCI的CRC进行解扰。
在一个实施例中，所述装置还包括：
第三解扰模块，配置为采用与所述UE的状态关联的标识，对携带有寻呼早期指示PEI的DCI的CRC进行解扰。
在一个实施例中，所述装置还包括：
确定模块，配置为响应于对携带有所述PEI的DCI的CRC进行解扰成功，根据所述PEI，确定是否监听预定PO。
根据本公开实施例的第七方面，提供一种通信设备装置，包括处理器、存储器及存储在存储器上并能够由所述处理器运行的可执行程序，其中，所述处理器运行所述可执行程序时执行如第一方面或第二方面所述DCI加扰方法，或第三方面所述DCI解扰方法的步骤。
根据本公开实施例的第八方面，提供一种存储介质，其上存储由可执行程序，其中，所述可执行程序被处理器执行时实现如第一方面或第二方面所述DCI加扰方法，或第三方面所述DCI解扰方法的步骤。
根据本公开实施例提供的DCI加扰方法、装置、通信设备和存储介质，基站响应于DCI调度同一类型的寻呼消息，采用与所述寻呼消息所关联UE的RRC连接状态寻呼消息相关联的加扰标识，对所述DCI的CRC进行加扰。如此，采用UE的RRC连接状态相关联的加扰标识，对DCI的CRC进行加扰，从而实现对不同RRC连接态的UE发送采用不同加扰标识进行CRC加扰的DCI，UE可只对与自身状态关联的进行CRC的解扰，减少不相关DCI的解析，从而节省UE的处理资源，进而节省电量
应当理解的是，以上的一般描述和后文的细节描述仅是示例性和解释性的，并不能限制本公开实施例。
附图说明
此处的附图被并入说明书中并构成本说明书的一部分，示出了符合本发明实施例，并与说明书一起用于解释本发明实施例的原理。
图1是根据一示例性实施例示出的一种无线通信系统的结构示意图；
图2是根据一示例性实施例示出的一种DCI加扰方法的流程示意图；
图3是根据一示例性实施例示出的另一种DCI加扰方法的流程示意图；
图4是根据一示例性实施例示出的又一种DCI加扰方法的流程示意图；
图5是根据一示例性实施例示出的再一种DCI加扰方法的流程示意图；
图6是根据一示例性实施例示出的一种DCI解扰扰方法的流程示意图；
图7是根据一示例性实施例示出的另一种DCI解扰方法的流程示意图；
图8是根据一示例性实施例示出的一种DCI加扰装置的框图；
图9是根据一示例性实施例示出的另一种DCI解扰装置的框图；
图10是根据一示例性实施例示出的又一种DCI解扰装置的框图；
图11是根据一示例性实施例示出的一种用于DCI加扰或DCI解扰的装置的框图。
具体实施方式
这里将详细地对示例性实施例进行说明，其示例表示在附图中。下面的描述涉及附图时，除非另有表示，不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本发明实施例相一致的所有实施方式。相反，它们仅是与如所附权利要求书中所详述的、本发明实施例的一些方面相一致的装置和方法的例子。
在本公开实施例使用的术语是仅仅出于描述特定实施例的目的，而非旨在限制本公开实施例。在本公开实施例和所附权利要求书中所使用的单数形式的“一种”、“所述”和“该”也旨在包括多数形式，除非上下文清楚地表示其他含义。还应当理解，本文中使用的术语“和/或”是指并包含一个或多个相关联的列出项目的任何或所有可能组合。
应当理解，尽管在本公开实施例可能采用术语第一、第二、第三等来描述各种信息，但这些信息不应限于这些术语。这些术语仅用来将同一类 型的信息彼此区分开。例如，在不脱离本公开实施例范围的情况下，第一信息也可以被称为第二信息，类似地，第二信息也可以被称为第一信息。取决于语境，如在此所使用的词语“如果”可以被解释成为“在……时”或“当……时”或“响应于确定”。
请参考图1，其示出了本公开实施例提供的一种无线通信系统的结构示意图。如图1所示，无线通信系统是基于蜂窝移动通信技术的通信系统，该无线通信系统可以包括：若干个终端11以及若干个基站12。
其中，终端11可以是指向用户提供语音和/或数据连通性的设备。终端11可以经无线接入网(Radio Access Network，RAN)与一个或多个核心网进行通信，终端11可以是物联网终端，如传感器设备、移动电话(或称为“蜂窝”电话)和具有物联网终端的计算机，例如，可以是固定式、便携式、袖珍式、手持式、计算机内置的或者车载的装置。例如，站(Station，STA)、订户单元(subscriber unit)、订户站(subscriber station)、移动站(mobile station)、移动台(mobile)、远程站(remote station)、接入点、远程终端(remote terminal)、接入终端(access terminal)、用户装置(user terminal)、用户代理(user agent)、用户设备(user device)、或用户终端(user equipment，UE)。或者，终端11也可以是无人飞行器的设备。或者，终端11也可以是车载设备，比如，可以是具有无线通信功能的行车电脑，或者是外接行车电脑的无线通信设备。或者，终端11也可以是路边设备，比如，可以是具有无线通信功能的路灯、信号灯或者其它路边设备等。
基站12可以是无线通信系统中的网络侧设备。其中，该无线通信系统可以是第四代移动通信技术(the 4th generation mobile communication，4G)系统，又称长期演进(Long Term Evolution，LTE)系统；或者，该无线通信系统也可以是5G系统，又称新空口(new radio，NR)系统或5G NR系统。或者，该无线通信系统也可以是5G系统的再下一代系统。其中，5G 系统中的接入网可以称为NG-RAN(New Generation-Radio Access Network，新一代无线接入网)。或者，MTC系统。
其中，基站12可以是4G系统中采用的演进型基站(eNB)。或者，基站12也可以是5G系统中采用集中分布式架构的基站(gNB)。当基站12采用集中分布式架构时，通常包括集中单元(central unit，CU)和至少两个分布单元(distributed unit，DU)。集中单元中设置有分组数据汇聚协议(Packet Data Convergence Protocol，PDCP)层、无线链路层控制协议(Radio Link Control，RLC)层、媒体访问控制(Media Access Control，MAC)层的协议栈；分布单元中设置有物理(Physical，PHY)层协议栈，本公开实施例对基站12的具体实现方式不加以限定。
基站12和终端11之间可以通过无线空口建立无线连接。在不同的实施方式中，该无线空口是基于第四代移动通信网络技术(4G)标准的无线空口；或者，该无线空口是基于第五代移动通信网络技术(5G)标准的无线空口，比如该无线空口是新空口；或者，该无线空口也可以是基于5G的更下一代移动通信网络技术标准的无线空口。
在一些实施例中，终端11之间还可以建立E2E(End to End，端到端)连接。比如车联网通信(vehicle to everything，V2X)中的V2V(vehicle to vehicle，车对车)通信、V2I(vehicle to Infrastructure，车对路边设备)通信和V2P(vehicle to pedestrian，车对人)通信等场景。
在一些实施例中，上述无线通信系统还可以包含网络管理设备13。
若干个基站12分别与网络管理设备13相连。其中，网络管理设备13可以是无线通信系统中的核心网设备，比如，该网络管理设备13可以是演进的数据分组核心网(Evolved Packet Core，EPC)中的移动性管理实体(Mobility Management Entity，MME)。或者，该网络管理设备也可以是其它的核心网设备，比如服务网关(Serving GateWay，SGW)、公用数据网网 关(Public Data Network GateWay，PGW)、策略与计费规则功能单元(Policy and Charging Rules Function，PCRF)或者归属签约用户服务器(Home Subscriber Server，HSS)等。对于网络管理设备13的实现形态，本公开实施例不做限定。
本公开实施例涉及的执行主体包括但不限于：支持蜂窝移动通信的手机终端等UE，以及基站等。
本公开实施例的一个应用场景为，目前，依据寻呼消息的来源可以把寻呼消息区分为核心网寻呼消息(CN paging)和接入网寻呼消息(RAN paging)。对于空闲态UE，只会收到CN paging。针对非激活态UE，如果基站保留的上下文信息正常，则会接收到RAN paging，如果上下文信息异常，则会接收到CN paging。
相关技术中，携带CN paging和/或RAN paging对应寻呼调度信息的DCI的CRC都采用P-RNTI进行加扰，未针对不同RRC连接状态的UE采用不同的加扰方式。因此，无论DCI所调度的寻呼消息是什么类型，无论UE处于什么状态都可以对DCI解扰，并对DCI进行解码。例如，处于连接态的UE同样会去解扰调度CN paging的DCI，而CN paging的接收对象并不是处于连接态的UE，从而消耗了UE的系统资源，提升的UE的功耗。
如图2所示，本示例性实施例提供一种DCI加扰方法，DCI加扰方法可以应用于蜂窝移动通信系统的基站中，包括：
步骤201：响应于DCI调度同一类型的寻呼消息，采用与所述寻呼消息所关联UE的RRC连接状态寻呼消息相关联的加扰标识，对所述DCI的CRC进行加扰。
这里，UE可以是采用蜂窝移动通信技术进行无线通信的手机终端等。基站可以是在蜂窝移动通信系统中，向UE提供接入网接口的通信设备。
通信网络可以向处于空闲状态、非激活态和连接态的UE发送寻呼消 息。寻呼过程可以由核心网触发并通过基站将寻呼消息发送给UE，或者寻呼过程可以由接入网触发将寻呼消息并发送给UE。寻呼消息，用于通知系统信息、以及通知UE接收地震海啸预警系统(Earthquake and Tsunami Warning System，ETWS)或商业移动告警服务(Commercial Mobile Alert Service，CMAS)等信息。
寻呼消息可以采用PDSCH传输资源进行传输。基站可以通过DCI调度寻呼消息，即通过DCI指示传输寻呼消息的PDSCH传输资源。DCI可以采用PDCCH传输资源进行传输。UE可以从DCI中解析出PDSCH传输资源，并采用PDSCH传输资源接收寻呼消息。
如果DCI用于调度同一类型的寻呼消息，即DCI只用于调度CN paging或RAN Paging，则基站可以采用与寻呼消息所关联用户设备UE的RRC连接状态相关联的加扰标识，对所述DCI的CRC进行加扰。与寻呼消息所关联的UE可以是寻呼消息发送的目标UE。
基站可以针对UE所处RRC连接状态设置不同的加扰标识，例如针对空闲态的UE和连接态的UE设置不同的加扰标识。如此，当DCI只用于调度发送给空闲态的UE的寻呼消息，如CN paging时，可以采用空闲态的UE关联的加扰标识进行加扰。UE在进行DCI的CRC解扰时，如果UE处于连接态，则UE无法进行解扰，UE认为没有寻呼，进而不再进行后续的DCI解码以及解析寻呼消息等，从而节省UE的处理资源，进而节省电量。
如此，采用UE的RRC连接状态相关联的加扰标识，对DCI的CRC进行加扰，从而实现对不同RRC连接态的UE发送采用不同加扰标识进行CRC加扰的DCI，UE可只对与自身状态关联的加扰标识进行CRC的解扰，减少不相关DCI的解析，从而节省UE的处理资源，进而节省电量。
在一个实施例中，所述采用与所述寻呼消息所关联UE的RRC连接状态相关联的加扰标识，对所述DCI的CRC进行加扰，包括：
响应于UE处于空闲态，采用第一标识对所述DCI的CRC进行加扰，其中，所述第一标识不同于寻呼无线网络临时标识(P-RNTI，Paging-Radio Network Temporary Identity)。
如果DCI的发送目标UE处于空闲态，基站调度的寻呼消息为CN paging，则基站可以采用与空闲态相关联的加扰标识，即第一标识，对所述DCI的CRC进行加扰。这里，第一标识可以是新设置的RNTI，如CN-RNTI。第一标识不同于P-RNTI。
处于空闲态UE在进行DCI的CRC解扰时，由于UE处于空闲态，则UE可以采用与空闲态相关联的第一标识进行解扰。如采用CN-RNTI进行解扰。
处于非空闲态UE在进行DCI的CRC解扰时，UE可以采用不同于第一标识的加扰标识进行解扰，因此无法成功解扰，UE认为没有寻呼，进而不再进行后续的DCI解码以及解析寻呼消息等，从而节省UE的处理资源，进而节省电量。
由于相关技术中，基站对不同类型的寻呼消息均采用P-RNTI进行加扰。为与相关技术的基站兼容，UE可以同时采用第一标识和P-RNTI进行解扰，或者首先依次采用第一标识和P-RNTI进行解扰。如此，可以提高UE对不同加扰方式的兼容性。
在一个实施例中，所述采用与所述寻呼消息所关联UE的RRC连接状态相关联的加扰标识，对所述DCI的CRC进行加扰，包括：
响应于所述UE处于空闲态之外的状态，采用P-RNTI对所述DCI的CRC进行加扰。
如果寻呼消息的发送目标UE处于非空闲态，如连接态或非激活态，基站调度的寻呼消息可能为CN paging或RAN Paging，则基站可以采用P-RNTI，对所述DCI的CRC进行加扰。
处于非空闲态UE在进行DCI的CRC解扰时，则UE可以采用自身RRC连接状态相关联的P-RNTI解扰。如此，实现基站对空闲态UE和非空闲态UE分别发送采用不同加扰标识进行CRC加扰的DCI。UE可只对与自身状态关联的进行CRC的解扰，减少不相关DCI的解析，从而节省UE的处理资源，进而节省电量。
在一个实施例中，如图3所示，所述方法包括：
步骤301：响应于DCI调度同一类型的寻呼消息，采用与所述寻呼消息所关联UE的RRC连接状态寻呼消息相关联的加扰标识，对所述DCI的CRC进行加扰。
步骤302：响应于所述DCI调度不同类型的所述寻呼消息，采用P-RNTI对所述DCI的CRC进行加扰。
如果DCI用于调度同一类型的寻呼消息，即DCI只用于调度CN paging或RAN Paging，则基站可以采用与寻呼消息所关联用户设备UE的RRC连接状态相关联的加扰标识，对所述DCI的CRC进行加扰。与寻呼消息所关联的UE可以是寻呼消息发送的目标UE。
如果DCI用于同时调度不同类型的寻呼消息，如果同时调度CN paging和RAN paging时，基站可以采用相关技术中的P-RNTI进行CRC加扰。
UE在尝试采用第一标识进行解扰后，如果解扰失败，可以采用P-RNTI进行CRC解扰。如此，可以使得UE在DCI同时存在CN paging和RAN paging时也能解扰成功，减少DCI遗漏的情况，提高通信可靠性。
在一个实施例中，所述方法还包括：
采用所述加扰标识，对携带有寻呼早期指示PEI的DCI的CRC进行加扰；其中，所述PEI，用于指示是否监听预定PO。
这里，PEI用于指示UE是否在PO监听DCI。由于一个PO中DCI调度的寻呼消息并不一定针对所有的UE。因此，可以基于UE的RRC连接 状态或DCI调度的寻呼消息的类型对携带PEI的DCI进行加扰。携带PEI的DCI可以位于之外，PEI可以指示UE是否监听PO。
基站可以针对UE所处RRC连接状态设置不同的加扰标识，例如针对空闲态的UE和连接态的UE设置不同的加扰标识。如此，当PO中DCI只用于调度发送给非空闲态的UE的寻呼消息，针对空闲态的UE，基站可以采用与非空闲态关联的加扰标识加扰携带PEI的DCI。PEI可以指示非空闲态UE不监听或监听PO。非空闲态UE采用与自身RRC连接状态关联的加扰标识对携带PEI的DCI进行解扰，确定PEI的指示，即不监听或监听PO，从而节省UE的处理资源，进而节省电量。而空闲态的UE由于无法解扰携带PEI的DCI，可以选择默认不监听PO，从而节省UE的处理资源，进而节省电量。空闲态的UE也可以选择默认监听PO，进而获取寻呼消息。
基站可以针对不同寻呼消息的类型设置不同的加扰标识，例如PO中DCI只用于调度CN paging，基站可以采用与CN paging关联的加扰标识对携带PEI的DCI进行加扰。空闲态UE和非激活态UE由于都可能接收CN Paging，因此可以采用与CN paging关联的加扰标识对携带PEI的DCI进行解扰，进而确定PEI的指示内容。如果UE不能对携带PEI的DCI进行加扰，则可以默认不监听PO，从而节省UE的处理资源，进而节省电量。
在一个实施例中，寻呼消息所述DCI位于PO之内或所述PO之外。
这里，调度寻呼消息的DCI可以在PO之内，也可以在PO之外。UE可以在PO之内监听DCI并解扰，也可以在PO之外监听DCI并解扰。
如图4所示，本示例性实施例提供一种DCI加扰方法，DCI加扰方法可以应用于蜂窝移动通信系统的基站中，包括：
步骤401：响应于DCI调度同一类型的寻呼消息，采用与所述寻呼消息的类型相关联的加扰标识，对所述DCI的CRC进行加扰。
这里，UE可以是采用蜂窝移动通信技术进行无线通信的手机终端等。 基站可以是在蜂窝移动通信系统中，向UE提供接入网接口的通信设备。
通信网络可以向处于空闲状态、非激活态和连接态的UE发送寻呼消息。寻呼过程可以由核心网触发并通过基站将寻呼消息发送给UE，或者寻呼过程可以由接入网触发将寻呼消息并发送给UE。寻呼消息，用于通知系统信息、以及通知UE接收地震海啸预警系统(Earthquake and Tsunami Warning System，ETWS)或商业移动告警服务(Commercial Mobile Alert Service，CMAS)等信息。
寻呼消息可以采用PDSCH传输资源进行传输。基站可以通过DCI调度寻呼消息，即通过DCI指示传输寻呼消息的PDSCH传输资源。DCI可以采用PDCCH传输资源进行传输。UE可以从DCI中解析出PDSCH传输资源，并采用PDSCH传输资源接收寻呼消息。
如果DCI用于调度同一类型的寻呼消息，即DCI中寻呼调度信息只用于调度CN paging或RAN Paging，则基站可以采用与寻呼消息的类型相关联的加扰标识，对所述DCI的CRC进行加扰。这里，寻呼消息按类型可以分为CN paging或RAN Paging。
基站可以针对不同的寻呼消息的类型设置不同的加扰标识。例如，可以针对CN paging或RAN Paging设置不同的加扰标识。例如，当DCI中包含的寻呼调度信息只用于调度CN paging时，可以采用空闲态的UE关联的加扰标识进行加扰。UE在进行DCI的CRC解扰时，可以基于UE自身的状态，确定可能接收的寻呼消息的类型，并采用与寻呼消息的类型关联的加扰标识进行解扰。
例如，DCI中包含的寻呼调度信息只用于调度CN paging时，可采用与CN paging关联的加扰标识加扰DCI，如果UE处于空闲态，UE可以确定接收的寻呼消息为CN paging，因此可以用CN paging关联的加扰标识进行解扰，进而接收寻呼消息。如果UE处于空闲态，UE可以确定自身接收的 寻呼消息为RAN paging，因此可以用RAN paging关联的加扰标识进行解扰，因此无法成功解扰DCI，不再进行后续的DCI解码以及解析寻呼消息等，从而节省UE的处理资源，进而节省电量。
如此，采用寻呼消息的类型相关联的加扰标识，对DCI的CRC进行加扰，从而实现对不同RRC连接态的UE发送采用不同加扰标识进行CRC加扰的DCI，UE可只对与自身状态关联的进行CRC的解扰，减少不相关DCI的解析，从而节省UE的处理资源，进而节省电量。
在一个实施例中，所述采用与所述寻呼消息的类型相关联的加扰标识，对所述DCI的CRC进行加扰，包括：
响应于所述寻呼消息为核心网寻呼消息CN paging，采用第二标识对所述DCI的CRC进行加扰，其中，所述第二标识不同于P-RNTI。
基站可以针对CN paging和RAN paging分别设置不同的加扰标识。例如，可以针对CN paging设置第二标识，可以针对RAN Paging设置第三标识。例如：第二标识可以是CN-RNTI，第三标识可以是RAN-RNTI。
当DCI中包含的寻呼调度信息只用于调度CN paging时，可以采用CN-RNTI进行加扰。空闲态UE可以基于UE自身的状态，确定可能接收的寻呼消息的类型为CN paging，可以采用CN-RNTI进行解扰。非激活态UE由于CN paging和RAN paging均有可能接收到，可以采用CN-RNTI和CN-RNTI对DCI进行解扰。从而空闲态UE和非激活态UE均能成功解析CN paging。这里，UE采用CN-RNTI和RAN-RNTI对DCI进行解扰，可以是UE同时采用CN-RNTI和RAN-RNTI对DCI进行解扰，也可以依次采用CN-RNTI和RAN-RNTI对DCI进行解扰。
在一个实施例中，所述采用与所述寻呼消息的类型相关联的加扰标识，对所述DCI的CRC进行加扰，包括：
响应于所述寻呼消息为接入网寻呼消息RAN paging，采用第三标识对 所述DCI的CRC进行加扰；其中，所述第三标识不同于所述第二标识和所述P-RNTI。
当DCI中包含的寻呼调度信息只用于调度RAN paging时，可以采用RAN-RNTI进行加扰。空闲态UE基于UE自身的状态，确定可能接收的寻呼消息的类型为CN paging，采用RAN-RNTI进行解扰，因此无法解析，从而节省空闲态UE的处理资源，进而节省电量。非激活态UE由于CN paging和RAN paging均有可能接收到，可以采用CN-RNTI和RAN-RNTI对DCI进行解扰可以成功解析RAN paging。这里，UE采用CN-RNTI和RAN-RNTI对DCI进行解扰，可以是UE同时采用CN-RNTI和RAN-RNTI对DCI进行解扰，也可以依次采用CN-RNTI和RAN-RNTI对DCI进行解扰。
如此，实现对不同DCI采用不同加扰标识进行CRC加扰，UE可只对与自身状态关联的DCI进行CRC的解扰，减少不相关DCI的解析，从而节省UE的处理资源，进而节省电量。
在一个实施例中，如图5所示，所述方法包括：
步骤501：响应于DCI调度同一类型的寻呼消息，采用与所述寻呼消息的类型相关联的加扰标识，对所述DCI的CRC进行加扰。
步骤502：响应于所述DCI调度不同类型的所述寻呼消息，采用P-RNTI对所述DCI的CRC进行加扰。
如果DCI用于调度同一类型的寻呼消息，即DCI中寻呼调度信息只用于调度CN paging或RAN Paging，则基站可以采用与寻呼消息的类型相关联的加扰标识，对所述DCI的CRC进行加扰。这里，寻呼消息按类型可以分为CN paging或RAN Paging。
如果DCI用于调度不同类型的寻呼消息，即DCI同时调度在CN paging和RAN paging时，基站可以采用相关技术中的P-RNTI进行CRC加扰。
UE在尝试采用CN-RNTI和/或RAN-RNTI进行解扰后，如果解扰失败， 可以采用P-RNTI进行CRC解扰。如此，可以使得UE在DCI同时存在CN paging和RAN paging时也能解扰成功，减少DCI遗漏的情况，提高通信可靠性。
在一个实施例中，所述方法还包括：
采用所述加扰标识，对携带有寻呼早期指示PEI的DCI的CRC进行加扰；其中，所述PEI，用于指示是否监听预定PO。
这里，PEI用于指示UE是否在PO监听DCI。由于一个PO中DCI调度的寻呼消息并不一定针对所有的UE。因此，可以基于UE的RRC连接状态或DCI调度的寻呼消息的类型对携带PEI的DCI进行加扰。携带PEI的DCI可以位于之外，PEI可以指示UE是否监听PO。
基站可以针对UE所处RRC连接状态设置不同的加扰标识，例如针对空闲态的UE和连接态的UE设置不同的加扰标识。如此，当PO中DCI只用于调度发送给非空闲态的UE的寻呼消息，针对空闲态的UE，基站可以采用与非空闲态关联的加扰标识加扰携带PEI的DCI。PEI可以指示非空闲态UE不监听或监听PO。非空闲态UE采用与自身RRC连接状态关联的加扰标识对携带PEI的DCI进行解扰，确定PEI的指示，即不监听或监听PO，从而节省UE的处理资源，进而节省电量。而空闲态的UE由于无法解扰携带PEI的DCI，可以选择默认不监听PO，从而节省UE的处理资源，进而节省电量。空闲态的UE也可以选择默认监听PO，进而获取寻呼消息。
基站可以针对不同寻呼消息的类型设置不同的加扰标识，例如PO中DCI只用于调度CN paging，基站可以采用与CN paging关联的加扰标识对携带PEI的DCI进行加扰。空闲态UE和非激活态UE由于都可能接收CN Paging，因此可以采用与CN paging关联的加扰标识对携带PEI的DCI进行解扰，进而确定PEI的指示内容。如果UE不能对携带PEI的DCI进行加扰，则可以默认不监听PO，从而节省UE的处理资源，进而节省电量。
在一个实施例中，所述DCI位于PO之内或所述PO之外。
这里，调度寻呼消息的DCI可以在PO之内，也可以在PO之外。UE可以在PO之内监听DCI并解扰，也可以在PO之外监听DCI并解扰。
如图6所示，本示例性实施例提供一种DCI解扰方法，DCI加扰方法可以应用于蜂窝移动通信系统的UE中，包括：
步骤601：根据所述UE的RRC连接状态，采用与所述UE的RRC连接状态关联的加扰标识对用于调度寻呼消息的DCI的CRC进行解扰寻呼消息。
这里，UE可以是采用蜂窝移动通信技术进行无线通信的手机终端等。基站可以是在蜂窝移动通信系统中，向UE提供接入网接口的通信设备。
通信网络可以向处于空闲状态、非激活态和连接态的UE发送寻呼消息。寻呼过程可以由核心网触发并通过基站将寻呼消息发送给UE，或者寻呼过程可以由接入网触发将寻呼消息并发送给UE。寻呼消息，用于通知系统信息、以及通知UE接收地震海啸预警系统(Earthquake and Tsunami Warning System，ETWS)或商业移动告警服务(Commercial Mobile Alert Serv寻呼消息可以采用PDSCH传输资源进行传输。
基站可以通过DCI调度寻呼消息，即通过DCI指示传输寻呼消息的PDSCH传输资源。DCI可以采用PDCCH传输资源进行传输。UE可以从DCI中解析出PDSCH传输资源，并采用PDSCH传输资源接收寻呼消息。
如果DCI用于调度同一类型的寻呼消息，即DCI只用于调度CN paging或RAN Paging，则基站可以采用与寻呼消息所关联用户设备UE的RRC连接状态相关联的加扰标识，对所述DCI的CRC进行加扰。与寻呼消息所关联的UE可以是寻呼消息发送的目标UE。
基站可以针对UE所处RRC连接状态设置不同的加扰标识，例如针对空闲态的UE和连接态的UE设置不同的加扰标识。如此，当DCI只用于调 度发送给空闲态的UE的寻呼消息，如CN paging时，可以采用空闲态的UE关联的加扰标识进行加扰。UE在进行DCI的CRC解扰时，如果UE处于连接态，则UE无法进行解扰，UE认为没有寻呼，进而不再进行后续的DCI解码以及解析寻呼消息等，从而节省UE的处理资源，进而节省电量。
如果DCI用于调度同一类型的寻呼消息，即DCI中寻呼调度信息只用于调度CN paging或RAN Paging，则基站可以采用与寻呼消息的类型相关联的加扰标识，对所述DCI的CRC进行加扰。这里，寻呼消息按类型可以分为CN paging或RAN Paging。
基站可以针对不同的寻呼消息的类型设置不同的加扰标识。例如，可以针对CN paging或RAN Paging设置不同的加扰标识。例如，当DCI中包含的寻呼调度信息只用于调度CN paging时，可以采用空闲态的UE关联的加扰标识进行加扰。UE在进行DCI的CRC解扰时，可以基于UE自身的状态，确定可能接收的寻呼消息的类型，并采用与寻呼消息的类型关联的加扰标识进行解扰。
例如，DCI中包含的寻呼调度信息只用于调度CN paging时，可采用与CN paging关联的加扰标识加扰DCI，如果UE处于空闲态，UE可以确定接收的寻呼消息为CN paging，因此可以用CN paging关联的加扰标识进行解扰，进而接收寻呼消息。如果UE处于空闲态，UE可以确定自身接收的寻呼消息为RAN paging，因此可以用RAN paging关联的加扰标识进行解扰，因此无法成功解扰DCI，不再进行后续的DCI解码以及解析寻呼消息等，从而节省UE的处理资源，进而节省电量。
如此，采用UE的RRC连接状态或寻呼消息的类型相关联的加扰标识，对DCI的CRC进行加扰，从而实现对不同RRC连接态的UE发送采用不同加扰标识进行CRC加扰的DCI，UE可只对与自身状态关联的进行CRC的解扰，减少不相关DCI的解析，从而节省UE的处理资源，进而节省电 量。
在一个实施例中，所述根据所述UE的状态，采用与所述UE的状态关联的标识对用于调度寻呼消息的DCI的CRC进行解扰，包括：
响应于UE处于空闲态，采用第一标识对所述DCI的CRC进行解扰，其中，所述第一标识不同于P-RNTI。
如果寻呼调度信息的发送目标UE处于空闲态，基站寻呼调度信息调度的寻呼消息为CN paging，则基站可以采用与空闲态相关联的加扰标识，即第一标识，对所述DCI的CRC进行加扰。这里，第一标识可以是新设置的RNTI，如CN-RNTI。第一标识不同于P-RNTI。
处于空闲态UE在进行DCI的CRC解扰时，由于UE处于空闲态，则UE可以采用与空闲态相关联的第一标识进行解扰。
处于非空闲态UE在进行DCI的CRC解扰时，UE可以采用不同于第一标识的加扰标识进行解扰，因此无法成功解扰，UE认为没有寻呼，进而不再进行后续的DCI解码以及解析寻呼消息等，从而节省UE的处理资源，进而节省电量。
在一个实施例中，所述方法还包括：采用所述P-RNTI对所述DCI的CRC进行解扰。
由于相关技术中，基站对不同类型的寻呼消息均采用P-RNTI进行加扰。为与相关技术的基站兼容，UE可以同时采用第一标识和P-RNTI进行解扰，或者首先依次采用第一标识和P-RNTI进行解扰。如此，可以提高UE对不同加扰方式的兼容性。
在一个实施例中，所述根据所述UE的状态，采用与所述UE的状态关联的标识对用于调度寻呼消息的DCI的CRC进行解扰，包括：
响应于UE处于所述空闲态之外的状态，采用P-RNTI对所述DCI的CRC进行解扰。
如果寻呼调度信息的发送目标UE处于非空闲态，如连接态或非激活态，基站寻呼调度信息调度的寻呼消息可能为CN paging或RAN Paging，则基站可以采用P-RNTI，对所述DCI的CRC进行加扰。
处于非空闲态UE在进行DCI的CRC解扰时，则UE可以采用自身RRC连接状态相关联的P-RNTI解扰。如此，实现基站对空闲态UE和非空闲态UE分别发送采用不同加扰标识进行CRC加扰的DCI。UE可只对与自身状态关联的进行CRC的解扰，减少不相关DCI的解析，从而节省UE的处理资源，进而节省电量。
在一个实施例中，所述根据所述UE的状态，采用与所述UE的状态关联的标识对用于调度寻呼消息的DCI的CRC进行解扰，包括：
响应于所述UE处于非激活态，采用所述第一标识和第二标识分别对所述DCI的CRC进行解扰；其中，所述第二标识不同于所述第一标识和所述P-RNTI。
基站可以针对CN paging和RAN paging分别设置不同的加扰标识。例如，可以针对CN paging设置第一标识，可以针对RAN Paging设置第二标识。例如：第二标识可以是CN-RNTI，第三标识可以是RAN-RNTI。
当DCI中包含的寻呼调度信息只用于调度CN paging时，可以采用CN-RNTI进行加扰。空闲态UE可以基于UE自身的状态，确定可能接收的寻呼消息的类型为CN paging，可以采用CN-RNTI进行解扰。非激活态UE由于CN paging和RAN paging均有可能接收到，可以采用CN-RNTI和CN-RNTI对DCI进行解扰。从而空闲态UE和非激活态UE均能成功解析CN paging。这里，UE采用CN-RNTI和RAN-RNTI对DCI进行解扰，可以是UE同时采用CN-RNTI和RAN-RNTI对DCI进行解扰，也可以依次采用CN-RNTI和RAN-RNTI对DCI进行解扰。
当DCI中包含的寻呼调度信息只用于调度RAN paging时，可以采用 RAN-RNTI进行加扰。空闲态UE基于UE自身的状态，确定可能接收的寻呼消息的类型为CN paging，采用RAN-RNTI进行解扰，因此无法解析，从而节省空闲态UE的处理资源，进而节省电量。非激活态UE由于CN paging和RAN paging均有可能接收到，可以采用CN-RNTI和RAN-RNTI对DCI进行解扰可以成功解析RAN paging。这里，UE采用CN-RNTI和RAN-RNTI对DCI进行解扰，可以是UE同时采用CN-RNTI和RAN-RNTI对DCI进行解扰，也可以依次采用CN-RNTI和RAN-RNTI对DCI进行解扰。
如此，实现对不同DCI采用不同加扰标识进行CRC加扰，UE可只对与自身状态关联的DCI进行CRC的解扰，减少不相关DCI的解析，从而节省UE的处理资源，进而节省电量。
在一个实施例中，所述根据所述UE的状态，采用与所述UE的状态关联的标识对用于调度寻呼消息的DCI的CRC进行解扰，包括：
响应于所述UE处于连接态，采用所述P-RNTI对所述DCI的CRC进行解扰。
针对处于连接态的UE，基站可以采用相关技术中的P-RNTI进行CRC加扰。
UE可以采用P-RNTI进行CRC解扰。如果DCI采用CN-RNTI和RAN-RNTI进行CRC加扰，则无法解扰成功，从而减少不相关DCI的解析，从而节省UE的处理资源，进而节省电量。
在一个实施例中，如图7所示，所述方法包括：
步骤701：根据所述UE的RRC连接状态，采用与所述UE的RRC连接状态关联的加扰标识对用于调度寻呼消息的DCI的CRC进行解扰寻呼消息。
步骤702：采用与所述UE的状态关联的标识，对携带有PEI的DCI的CRC进行解扰。
在一个实施例中，所述方法还包括：响应于对携带有所述PEI的DCI的CRC进行解扰成功，根据所述PEI，确定是否监听预定PO。
如果DCI用于调度同一类型的寻呼消息，即DCI只用于调度CN paging或RAN Paging，则基站可以采用与寻呼消息所关联用户设备UE的RRC连接状态相关联的加扰标识，对所述DCI的CRC进行加扰。与寻呼消息所关联的UE可以是寻呼消息发送的目标UE。
如果DCI用于调度同一类型的寻呼消息，即DCI中寻呼调度信息只用于调度CN paging或RAN Paging，则基站可以采用与寻呼消息的类型相关联的加扰标识，对所述DCI的CRC进行加扰。这里，寻呼消息按类型可以分为CN paging或RAN Paging。
这里，PEI用于指示UE是否在PO监听DCI。由于一个PO中DCI调度的寻呼消息并不一定针对所有的UE。因此，可以基于UE的RRC连接状态或DCI调度的寻呼消息的类型对携带PEI的DCI进行加扰。携带PEI的DCI可以位于之外，PEI可以指示UE是否监听PO。
基站可以针对UE所处RRC连接状态设置不同的加扰标识，例如针对空闲态的UE和连接态的UE设置不同的加扰标识。如此，当PO中DCI中包含的寻呼调度信息只用于调度发送给非空闲态的UE的寻呼消息，针对空闲态的UE，基站可以采用与非空闲态关联的加扰标识加扰携带PEI的DCI。PEI可以指示非空闲态UE不监听或监听PO。非空闲态UE采用与自身RRC连接状态关联的加扰标识对携带PEI的DCI进行解扰，确定PEI的指示，即不监听或监听PO，从而节省UE的处理资源，进而节省电量。而空闲态的UE由于无法解扰携带PEI的DCI，可以选择默认不监听PO，从而节省UE的处理资源，进而节省电量。空闲态的UE也可以选择默认监听PO，进而获取寻呼消息。
基站可以针对不同寻呼消息的类型设置不同的加扰标识，例如PO中 DCI中包含的寻呼调度信息只用于调度CN paging，基站可以采用与CN paging关联的加扰标识对携带PEI的DCI进行加扰。空闲态UE和非激活态UE由于都可能接收CN Paging，因此可以采用与CN paging关联的加扰标识对携带PEI的DCI进行解扰，进而确定PEI的指示内容。如果UE不能对携带PEI的DCI进行加扰，则可以默认不监听PO，从而节省UE的处理资源，进而节省电量。
以下结合上述任意实施例提供一个具体示例：
通信系统给空闲态UE/非激活态UE定义两个新的RNTI分别用于DCI中寻呼调度信息只调度RAN paging或CN paging的情况。
当一个PO里只有对某类型空闲态UE的CN paging时候，基站对于CN paging采用新的CRC加扰标识，如：PRNTI-CN。
空闲态UE使用新的CRC加扰标识即PRNTI-CN和P-RNTI解码寻呼PDCCH；
非激活态UE用P-RNTI而不使用PRNTI-CN解扰，因此检测不到寻呼PDCCH，也就认为没有寻呼，从而省略了后面的DCI解码和PDCCH解析寻呼消息的步骤，从而起到的省电效果。
进一步地，如果引入基于PDCCH的PEI(paging early indication)，非空闲态UE通过新的CRC加扰标识加扰的PEI识别后可以忽略后面的PO，进而有较大省电增益。
针对DCI中寻呼调度信息只调度RAN paging情况下，基站使用PRNTI-RAN加扰，非激活态UE使用P-RNTI和PRNTI-RAN解扰Paging PDCCH。
空闲态UE就省略了后面的DCI解码和PDCCH解析寻呼消息的步骤，进而起到省电效果。
如果DCI中寻呼调度信息同时调度RAN paging和CN paging都有的情 况下，不能达到省电效果，基站使用P-RNTI加扰。
本发明实施例还提供了一种DCI加扰装置，应用于无线通信的基站中，如图8所示，所述DCI加扰装置100包括：第一加扰模块110，其中，
所述第一加扰模块110，配置为响应于DCI调度同一类型的寻呼消息，采用与所述寻呼消息所关联用户设备UE的RRC连接状态寻呼消息相关联的加扰标识，对所述DCI的CRC进行加扰。
在一个实施例中，所述第一加扰模块110，包括：
第一加扰子模块111，配置为响应于UE处于空闲态，采用第一标识对所述DCI的CRC进行加扰，其中，所述第一标识不同于P-RNTI。
在一个实施例中，所述第一加扰模块110，包括：
第二加扰子模块112，配置为响应于所述UE处于空闲态之外的状态，采用P-RNTI对所述DCI的CRC进行加扰。
在一个实施例中，所述装置100还包括：
第二加扰模块120，配置为响应于所述DCI调度不同类型的所述寻呼消息，采用P-RNTI对所述DCI的CRC进行加扰。
在一个实施例中，所述装置100还包括：
第三加扰模块130，配置为采用所述加扰标识，对携带有寻呼早期指示PEI的DCI的CRC进行加扰；其中，所述PEI，用于指示是否监听预定PO。
在一个实施例中，其中，所述DCI位于PO之内或所述PO之外。
本发明实施例还提供了一种DCI加扰装置，应用于无线通信的基站中，如图9所示，所述DCI加扰装置200包括：第四加扰模块210，其中，
所述第四加扰模块210，配置为响应于DCI调度同一类型的寻呼消息，采用与所述寻呼消息的类型相关联的加扰标识，对所述DCI的CRC进行加扰。
在一个实施例中，所述第四加扰模块210，包括：
第三加扰子模块211，配置为响应于所述寻呼消息为核心网寻呼消息CN paging，采用第二标识对所述DCI的CRC进行加扰，其中，所述第二标识不同于P-RNTI。
在一个实施例中，所述第四加扰模块210，包括：
第四加扰子模块212，配置为响应于所述寻呼消息为接入网寻呼消息RAN paging，采用第三标识对所述DCI的CRC进行加扰；其中，所述第三标识不同于所述第二标识和所述P-RNTI。
在一个实施例中，所述装置200还包括：
第五加扰模块220，配置为响应于所述DCI调度不同类型的所述寻呼消息，采用P-RNTI对所述DCI的CRC进行加扰。
在一个实施例中，所述装置200还包括：
第六加扰模块230，配置为采用所述加扰标识，对携带有寻呼早期指示PEI的DCI的CRC进行加扰；其中，所述PEI，用于指示是否监听预定PO。
在一个实施例中，所述DCI位于PO之内或所述PO之外。
本发明实施例还提供了一种DCI加扰装置，应用于无线通信的UE中，如图10所示，所述装置300包括：第一解扰模块310，其中，
所述第一解扰模块310，配置为根据所述UE的RRC连接状态，采用与所述UE的RRC连接状态关联的加扰标识对用于调度寻呼消息的DCI的CRC进行解扰寻呼消息。
在一个实施例中，所述第一解扰模块310，包括：
第一解扰子模块311，配置为响应于UE处于空闲态，采用第一标识对所述DCI的CRC进行解扰，其中，所述第一标识不同于P-RNTI。
在一个实施例中，所述装置300还包括：
第二解扰模块320，配置为采用所述P-RNTI对所述DCI的CRC进行解扰。
在一个实施例中，所述第一解扰模块310，包括：
第二解扰子模块312，配置为响应于UE处于所述空闲态之外的状态，采用P-RNTI对所述DCI的CRC进行解扰。
在一个实施例中，所述第一解扰模块310，包括：
第三解扰子模块313，配置为响应于所述UE处于非激活态，采用所述第一标识和第二标识分别对所述DCI的CRC进行解扰；其中，所述第二标识不同于所述第一标识和所述P-RNTI。
在一个实施例中，所述第一解扰模块310，包括：
第四解扰子模块314，配置为响应于所述UE处于连接态，采用所述P-RNTI对所述DCI的CRC进行解扰。
在一个实施例中，所述装置300还包括：
第三解扰模块330，配置为采用与所述UE的状态关联的标识，对携带有寻呼早期指示PEI的DCI的CRC进行解扰。
在一个实施例中，所述装置300还包括：
确定模块340，配置为响应于对携带有所述PEI的DCI的CRC进行解扰成功，根据所述PEI，确定是否监听预定PO。
在示例性实施例中，第一加扰模块110、第二加扰模块120、第三加扰模块130、第四加扰模块210、第五加扰模块220、第六加扰模块230、第一解扰模块310、第二解扰模块320、第三解扰模块330和确定模块340等可以被一个或多个中央处理器(CPU，Central Processing Unit)、图形处理器(GPU，Graphics Processing Unit)、基带处理器(BP，baseband processor)、应用专用集成电路(ASIC，Application Specific Integrated Circuit)、DSP、可编程逻辑器件(PLD，Programmable Logic Device)、复杂可编程逻辑器件(CPLD，Complex Programmable Logic Device)、现场可编程门阵列(FPGA，Field-Programmable Gate Array)、通用处理器、控制器、微控制 器(MCU，Micro Controller Unit)、微处理器(Microprocessor)、或其他电子元件实现，用于执行前述方法。
图11是根据一示例性实施例示出的一种用于DCI加扰或DCI解扰的装置3000的框图。例如，装置3000可以是移动电话，计算机，数字广播终端，消息收发设备，游戏控制台，平板设备，医疗设备，健身设备，个人数字助理等。
参照图11，装置3000可以包括以下一个或多个组件：处理组件3002，存储器3004，电源组件3006，多媒体组件3008，音频组件3010，输入/输出(I/O)的接口3012，传感器组件3014，以及通信组件3016。
处理组件3002通常控制装置3000的整体操作，诸如与显示，电话呼叫，数据通信，相机操作和记录操作相关联的操作。处理组件3002可以包括一个或多个处理器3020来执行指令，以完成上述的方法的全部或部分步骤。此外，处理组件3002可以包括一个或多个模块，便于处理组件3002和其他组件之间的交互。例如，处理组件3002可以包括多媒体模块，以方便多媒体组件3008和处理组件3002之间的交互。
存储器3004被配置为存储各种类型的数据以支持在装置3000的操作。这些数据的示例包括用于在装置3000上操作的任何应用程序或方法的指令，联系人数据，电话簿数据，消息，图片，视频等。存储器3004可以由任何类型的易失性或非易失性存储设备或者它们的组合实现，如静态随机存取存储器(SRAM)，电可擦除可编程只读存储器(EEPROM)，可擦除可编程只读存储器(EPROM)，可编程只读存储器(PROM)，只读存储器(ROM)，磁存储器，快闪存储器，磁盘或光盘。
电源组件3006为装置3000的各种组件提供电力。电源组件3006可以包括电源管理系统，一个或多个电源，及其他与为装置3000生成、管理和分配电力相关联的组件。
多媒体组件3008包括在装置3000和用户之间的提供一个输出接口的屏幕。在一些实施例中，屏幕可以包括液晶显示器(LCD)和触摸面板(TP)。如果屏幕包括触摸面板，屏幕可以被实现为触摸屏，以接收来自用户的输入信号。触摸面板包括一个或多个触摸传感器以感测触摸、滑动和触摸面板上的手势。触摸传感器可以不仅感测触摸或滑动动作的边界，而且还检测与触摸或滑动操作相关的持续时间和压力。在一些实施例中，多媒体组件3008包括一个前置摄像头和/或后置摄像头。当装置3000处于操作模式，如拍摄模式或视频模式时，前置摄像头和/或后置摄像头可以接收外部的多媒体数据。每个前置摄像头和后置摄像头可以是一个固定的光学透镜系统或具有焦距和光学变焦能力。
音频组件3010被配置为输出和/或输入音频信号。例如，音频组件3010包括一个麦克风(MIC)，当装置3000处于操作模式，如呼叫模式、记录模式和语音识别模式时，麦克风被配置为接收外部音频信号。所接收的音频信号可以被进一步存储在存储器3004或经由通信组件3016发送。在一些实施例中，音频组件3010还包括一个扬声器，用于输出音频信号。
I/O接口3012为处理组件3002和外围接口模块之间提供接口，上述外围接口模块可以是键盘，点击轮，按钮等。这些按钮可包括但不限于：主页按钮、音量按钮、启动按钮和锁定按钮。
传感器组件3014包括一个或多个传感器，用于为装置3000提供各个方面的状态评估。例如，传感器组件3014可以检测到装置3000的打开/关闭状态，组件的相对定位，例如组件为装置3000的显示器和小键盘，传感器组件3014还可以检测装置3000或装置3000一个组件的位置改变，用户与装置3000接触的存在或不存在，装置3000方位或加速/减速和装置3000的温度变化。传感器组件3014可以包括接近传感器，被配置用来在没有任何的物理接触时检测附近物体的存在。传感器组件3014还可以包括光传感 器，如CMOS或CCD图像传感器，用于在成像应用中使用。在一些实施例中，该传感器组件3014还可以包括加速度传感器，陀螺仪传感器，磁传感器，压力传感器或温度传感器。
通信组件3016被配置为便于装置3000和其他设备之间有线或无线方式的通信。装置3000可以接入基于通信标准的无线网络，如Wi-Fi，2G或3G，或它们的组合。在一个示例性实施例中，通信组件3016经由广播信道接收来自外部广播管理系统的广播信号或广播相关信息。在一个示例性实施例中，通信组件3016还包括近场通信(NFC)模块，以促进短程通信。例如，在NFC模块可基于射频识别(RFID)技术，红外数据协会(IrDA)技术，超宽带(UWB)技术，蓝牙(BT)技术和其他技术来实现。
在示例性实施例中，装置3000可以被一个或多个应用专用集成电路(ASIC)、数字信号处理器(DSP)、数字信号处理设备(DSPD)、可编程逻辑器件(PLD)、现场可编程门阵列(FPGA)、控制器、微控制器、微处理器或其他电子元件实现，用于执行上述方法。
在示例性实施例中，还提供了一种包括指令的非临时性计算机可读存储介质，例如包括指令的存储器3004，上述指令可由装置3000的处理器3020执行以完成上述方法。例如，非临时性计算机可读存储介质可以是ROM、随机存取存储器(RAM)、CD-ROM、磁带、软盘和光数据存储设备等。
本领域技术人员在考虑说明书及实践这里公开的发明后，将容易想到本发明实施例的其它实施方案。本申请旨在涵盖本发明实施例的任何变型、用途或者适应性变化，这些变型、用途或者适应性变化遵循本发明实施例的一般性原理并包括本公开实施例未公开的本技术领域中的公知常识或惯用技术手段。说明书和实施例仅被视为示例性的，本发明实施例的真正范围和精神由下面的权利要求指出。
应当理解的是，本发明实施例并不局限于上面已经描述并在附图中示出的精确结构，并且可以在不脱离其范围进行各种修改和改变。本发明实施例的范围仅由所附的权利要求来限制。

Claims (42)

  1. 一种下行控制信息DCI加扰方法，其中，应用于基站，所述方法包括：
    响应于DCI调度同一类型的寻呼消息，采用与所述寻呼消息所关联用户设备UE的无线资源控制RRC连接状态寻呼消息相关联的加扰标识，对所述DCI的循环冗余校验CRC进行加扰。
  2. 根据权利要求1所述的方法，其中，所述采用与所述寻呼消息所关联UE的RRC连接状态相关联的加扰标识，对所述DCI的CRC进行加扰，包括：
    响应于UE处于空闲态，采用第一标识对所述DCI的CRC进行加扰，其中，所述第一标识不同于寻呼无线网络临时标识P-RNTI。
  3. 根据权利要求1所述的方法，其中，所述采用与所述寻呼消息所关联UE的RRC连接状态相关联的加扰标识，对所述DCI的CRC进行加扰，包括：
    响应于所述UE处于空闲态之外的状态，采用P-RNTI对所述DCI的CRC进行加扰。
  4. 根据权利要求1至3任一项所述的方法，其中，所述方法还包括：
    响应于所述DCI调度不同类型的所述寻呼消息，采用P-RNTI对所述DCI的CRC进行加扰。
  5. 根据权利要求1至3任一项所述的方法，其中，所述方法还包括：
    采用所述加扰标识，对携带有寻呼早期指示PEI的DCI的CRC进行加扰；其中，所述PEI，用于指示是否监听预定寻呼时机PO。
  6. 根据权利要求1至3任一项所述的方法，其中，寻呼消息所述DCI位于PO之内或所述PO之外。
  7. 一种下行控制信息DCI加扰方法，其中，应用于基站，所述方法包 括：
    响应于DCI调度同一类型的寻呼消息，采用与所述寻呼消息的类型相关联的加扰标识，对所述DCI的循环冗余校验CRC进行加扰。
  8. 根据权利要求7所述的方法，其中，所述采用与所述寻呼消息的类型相关联的加扰标识，对所述DCI的CRC进行加扰，包括：
    响应于所述寻呼消息为核心网寻呼消息CN paging，采用第二标识对所述DCI的CRC进行加扰，其中，所述第二标识不同于寻呼无线网络临时标识P-RNTI。
  9. 根据权利要求8所述的方法，其中，所述采用与所述寻呼消息的类型相关联的加扰标识，对所述DCI的CRC进行加扰，包括：
    响应于所述寻呼消息为接入网寻呼消息RAN paging，采用第三标识对所述DCI的CRC进行加扰；其中，所述第三标识不同于所述第二标识和所述P-RNTI。
  10. 根据权利要求7至9任一项所述的方法，其中，所述方法还包括：
    响应于所述DCI调度不同类型的所述寻呼消息，采用P-RNTI对所述DCI的CRC进行加扰。
  11. 根据权利要求7至9任一项所述的方法，其中，所述方法还包括：
    采用所述加扰标识，对携带有寻呼早期指示PEI的DCI的CRC进行加扰；其中，所述PEI，用于指示是否监听预定寻呼时机PO。
  12. 根据权利要求7至9任一项所述的方法，其中，所述DCI位于PO之内或所述PO之外。
  13. 一种下行控制信息DCI解扰方法，其中，应用于用户设备UE，所述方法包括：
    根据所述UE的无线资源控制RRC连接状态，采用与所述UE的RRC连接状态关联的加扰标识对用于调度寻呼消息的DCI的循环冗余校验CRC 进行解扰寻呼消息。
  14. 根据权利要求13所述的方法，其中，所述根据所述UE的状态，采用与所述UE的状态关联的标识对用于调度寻呼消息的DCI的CRC进行解扰，包括：
    响应于UE处于空闲态，采用第一标识对所述DCI的CRC进行解扰，其中，所述第一标识不同于寻呼无线网络临时标识P-RNTI。
  15. 根据权利要求14所述的方法，其中，所述方法还包括：采用所述P-RNTI对所述DCI的CRC进行解扰。
  16. 根据权利要求14所述的方法，其中，所述根据所述UE的状态，采用与所述UE的状态关联的标识对用于调度寻呼消息的DCI的CRC进行解扰，包括：
    响应于UE处于所述空闲态之外的状态，采用P-RNTI对所述DCI的CRC进行解扰。
  17. 根据权利要求14所述的方法，其中，所述根据所述UE的状态，采用与所述UE的状态关联的标识对用于调度寻呼消息的DCI的CRC进行解扰，包括：
    响应于所述UE处于非激活态，采用所述第一标识和第二标识分别对所述DCI的CRC进行解扰；其中，所述第二标识不同于所述第一标识和所述P-RNTI。
  18. 根据权利要求17所述的方法，其中，所述根据所述UE的状态，采用与所述UE的状态关联的标识对用于调度寻呼消息的DCI的CRC进行解扰，包括：
    响应于所述UE处于连接态，采用所述P-RNTI对所述DCI的CRC进行解扰。
  19. 根据权利要求13至18任一项所述的方法，其中，所述方法还包 括：
    采用与所述UE的状态关联的标识，对携带有寻呼早期指示PEI的DCI的CRC进行解扰。
  20. 根据权利要求19所述的方法，其中，所述方法还包括：
    响应于对携带有所述PEI的DCI的CRC进行解扰成功，根据所述PEI，确定是否监听预定寻呼时机PO。
  21. 一种下行控制信息DCI加扰装置，其中，应用于基站，所述装置包括：第一加扰模块，其中，
    所述第一加扰模块，配置为响应于DCI调度同一类型的寻呼消息，采用与所述寻呼消息所关联用户设备UE的无线资源控制RRC连接状态寻呼消息相关联的加扰标识，对所述DCI的循环冗余校验CRC进行加扰。
  22. 根据权利要求21所述的装置，其中，所述第一加扰模块，包括：
    第一加扰子模块，配置为响应于UE处于空闲态，采用第一标识对所述DCI的CRC进行加扰，其中，所述第一标识不同于寻呼无线网络临时标识P-RNTI。
  23. 根据权利要求21所述的装置，其中，所述第一加扰模块，包括：
    第二加扰子模块，配置为响应于所述UE处于空闲态之外的状态，采用P-RNTI对所述DCI的CRC进行加扰。
  24. 根据权利要求21至23任一项所述的装置，其中，所述装置还包括：
    第二加扰模块，配置为响应于所述DCI调度不同类型的所述寻呼消息，采用P-RNTI对所述DCI的CRC进行加扰。
  25. 根据权利要求21至23任一项所述的装置，其中，所述装置还包括：
    第三加扰模块，配置为采用所述加扰标识，对携带有寻呼早期指示PEI 的DCI的CRC进行加扰；其中，所述PEI，用于指示是否监听预定寻呼时机PO。
  26. 根据权利要求21至23任一项所述的装置，其中，所述DCI位于PO之内或所述PO之外。
  27. 一种下行控制信息DCI加扰装置，其中，应用于基站，所述装置包括：第四加扰模块，其中，
    所述第四加扰模块，配置为响应于DCI调度同一类型的寻呼消息，采用与所述寻呼消息的类型相关联的加扰标识，对所述DCI的循环冗余校验CRC进行加扰。
  28. 根据权利要求27所述的装置，其中，所述第四加扰模块，包括：
    第三加扰子模块，配置为响应于所述寻呼消息为核心网寻呼消息CN paging，采用第二标识对所述DCI的CRC进行加扰，其中，所述第二标识不同于寻呼无线网络临时标识P-RNTI。
  29. 根据权利要求28所述的装置，其中，所述第四加扰模块，包括：
    第四加扰子模块，配置为响应于所述寻呼消息为接入网寻呼消息RAN paging，采用第三标识对所述DCI的CRC进行加扰；其中，所述第三标识不同于所述第二标识和所述P-RNTI。
  30. 根据权利要求27至29任一项所述的装置，其中，所述装置还包括：
    第五加扰模块，配置为响应于所述DCI调度不同类型的所述寻呼消息，采用P-RNTI对所述DCI的CRC进行加扰。
  31. 根据权利要求27至29任一项所述的装置，其中，所述装置还包括：
    第六加扰模块，配置为采用所述加扰标识，对携带有寻呼早期指示PEI的DCI的CRC进行加扰；其中，所述PEI，用于指示是否监听预定寻呼时 机PO。
  32. 根据权利要求27至29任一项所述的装置，其中，所述DCI位于PO之内或所述PO之外。
  33. 一种下行控制信息DCI解扰装置，其中，应用于用户设备UE，所述装置包括：第一解扰模块，其中，
    所述第一解扰模块，配置为根据所述UE的无线资源控制RRC连接状态，采用与所述UE的RRC连接状态关联的加扰标识对用于调度寻呼消息的DCI的循环冗余校验CRC进行解扰寻呼消息。
  34. 根据权利要求33所述的装置，其中，所述第一解扰模块，包括：
    第一解扰子模块，配置为响应于UE处于空闲态，采用第一标识对所述DCI的CRC进行解扰，其中，所述第一标识不同于寻呼无线网络临时标识P-RNTI。
  35. 根据权利要求34所述的装置，其中，所述装置还包括：
    第二解扰模块，配置为采用所述P-RNTI对所述DCI的CRC进行解扰。
  36. 根据权利要求34所述的装置，其中，所述第一解扰模块，包括：
    第二解扰子模块，配置为响应于UE处于所述空闲态之外的状态，采用P-RNTI对所述DCI的CRC进行解扰。
  37. 根据权利要求34所述的装置，其中，所述第一解扰模块，包括：
    第三解扰子模块，配置为响应于所述UE处于非激活态，采用所述第一标识和第二标识分别对所述DCI的CRC进行解扰；其中，所述第二标识不同于所述第一标识和所述P-RNTI。
  38. 根据权利要求37所述的装置，其中，所述第一解扰模块，包括：
    第四解扰子模块，配置为响应于所述UE处于连接态，采用所述P-RNTI对所述DCI的CRC进行解扰。
  39. 根据权利要求33至38任一项所述的装置，其中，所述装置还包 括：
    第三解扰模块，配置为采用与所述UE的状态关联的标识，对携带有寻呼早期指示PEI的DCI的CRC进行解扰。
  40. 根据权利要求39所述的装置，其中，所述装置还包括：
    确定模块，配置为响应于对携带有所述PEI的DCI的CRC进行解扰成功，根据所述PEI，确定是否监听预定寻呼时机PO。
  41. 一种通信设备装置，包括处理器、存储器及存储在存储器上并能够由所述处理器运行的可执行程序，其中，所述处理器运行所述可执行程序时执行如权利要求1至6或7至12任一项所述下行控制信息DCI加扰方法，或13至20任一项所述DCI解扰方法的步骤。
  42. 一种存储介质，其上存储由可执行程序，其中，所述可执行程序被处理器执行时实现如权利要求1至6或7至12任一项所述下行控制信息DCI加扰方法，或13至20任一项所述DCI解扰方法的步骤。
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