WO2015042780A1 - Procédé de réception et procédé et appareil d'émission de message de recherche - Google Patents

Procédé de réception et procédé et appareil d'émission de message de recherche Download PDF

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Publication number
WO2015042780A1
WO2015042780A1 PCT/CN2013/084107 CN2013084107W WO2015042780A1 WO 2015042780 A1 WO2015042780 A1 WO 2015042780A1 CN 2013084107 W CN2013084107 W CN 2013084107W WO 2015042780 A1 WO2015042780 A1 WO 2015042780A1
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WO
WIPO (PCT)
Prior art keywords
domain resource
resource location
terminal
frequency domain
paging message
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Application number
PCT/CN2013/084107
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English (en)
Chinese (zh)
Inventor
张宁波
余政
南方
程型清
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2013/084107 priority Critical patent/WO2015042780A1/fr
Priority to CN201380002372.1A priority patent/CN104813722B/zh
Publication of WO2015042780A1 publication Critical patent/WO2015042780A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/02—Arrangements for increasing efficiency of notification or paging channel
    • H04W68/025—Indirect paging

Definitions

  • the present invention relates to the field of wireless communication technologies, and in particular, to a method, a method, and a device for receiving a paging message. Background technique
  • a network device can send a paging message to a user equipment (UE) in an idle state and a connected state.
  • the paging message is used to notify the UE that the system information has been updated, or to notify the UE to receive information such as the Earthquake and Tsunami Warning System (ETWS) and information such as CMAS.
  • ETWS Earthquake and Tsunami Warning System
  • the paging message is carried by a Physical Downlink Shared Channel (PDSCH).
  • the time domain resource location of the PDSCH carrying the paging message is determined by the paging moment (Paging Occasion, PO, generally refers to the subframe) on the corresponding paging radio frame (PF); and the paging message is carried.
  • the location of the frequency domain resource where the PDSCH is located is indicated by a Physical Downlink Control Channel (PDCCH) or an Enhanced Physical Downlink Control Channel (EPDCCH).
  • the PF and PO where the PDCCH (or EPDCCH) is located that is, the PF and PO where the PDSCH is located.
  • the PDCCH (or EPDCCH) may be transmitted by using the first two to three Orthogonal Frequency Division Multiplexing (OFDM) symbols included in the PO on the PF, and the PDSCH may be transmitted by using other OFDM symbols.
  • OFDM Orthogonal Frequency Division Multiplexing
  • the UE Before receiving the paging message, the UE needs to first monitor the PDCCH (or EPDCCH), and then determine whether the network device is in this time according to whether the PDCCH (or EPDCCH) carries the Paging Radio Network Temporary Identifier (P-RNTI). Whether the paging cycle sends a paging message to the UE. Specifically, if the P-RNTI is carried on the PDCCH (or EPDCCH), the frequency domain corresponding to the PDSCH carrying the paging message indicated on the PDCCH (or EPDCCH) is located. The resource location-related parameters are used to receive the paging message on the PDSCH.
  • P-RNTI Paging Radio Network Temporary Identifier
  • the UE does not resolve the P-RNTI on the PDCCH (or EPDCCH)
  • the PDSCH does not need to be received, but the discontinuous reception (DRX) may be used.
  • the cycle is dormant. With this mechanism, in a DRX cycle, the UE can receive the PDCCH (or EPDCCH) only at the time position where the PO appears, and then receive the PDSCH as needed, and at other times, the UE can enter the sleep state to save power. the goal of.
  • the embodiment of the invention provides a method for receiving a paging message and a problem for the terminal to solve the problem that the UE spends more processing resources in order to determine the location of the frequency domain resource where the PDSCH carrying the paging message is located.
  • the embodiment of the invention further provides a method for sending a paging message and a network device.
  • a method for receiving a paging message including: determining, by a terminal, a function function of a discontinuous reception DRX cycle, a terminal identifier of the terminal, and a size of a frequency domain resource occupied by a paging message, The location of the frequency domain resource where the message is located; receiving the paging message at the determined location of the frequency domain resource.
  • the method further includes: determining, by the terminal, the paging according to a function relationship between the DRX cycle, the terminal identifier, and a preset offset.
  • the paging message specifically includes: the terminal receiving the paging message on the determined time domain resource location and the determined frequency domain resource location.
  • the method further includes: determining, by the terminal, a time domain resource location where the paging message is located according to a functional relationship between the DRX cycle and the terminal identifier
  • the terminal does not receive the paging message on the determined time domain resource location and the frequency domain resource location; when the determined time domain resource location is different from the time domain resource location where the system message is located, the terminal is at Receiving the paging message on the determined location of the frequency domain resource includes: receiving, by the terminal, the paging message on the determined time domain resource location and the determined frequency domain resource location.
  • the terminal is configured according to the DRX cycle, the terminal identifier, and the paging message Determining the location of the frequency domain resource in the function of the frequency domain resource, and determining the location of the frequency domain resource where the paging message is located, the method specifically includes: determining, by the terminal, the terminal according to the function relationship between the DRX period, the terminal identifier, and the terminal group identifier Group identifier; determining the resource block group identifier according to the terminal group identifier, the function of the frequency domain resource occupied by the paging message, and the frequency domain resource group identifier; according to the mapping relationship between the frequency domain resource group identifier and the frequency domain resource location, Determining a frequency domain resource location mapped by the determined frequency domain resource group identifier.
  • mapping relationship is pre-agreed by the network device and the terminal.
  • the terminal obtains the mapping relationship by: the terminal receiving the mapping relationship sent by the network device .
  • the receiving, by the terminal, the mapping relationship The mapping relationship sent statically or dynamically.
  • the terminal identifier includes: an international mobile subscriber identity IMSI, Radio Network Temporary Identity RNTI, International Mobile Equipment Identity Code IMEI or Temporary Mobile Subscriber Identity TMSI.
  • a second aspect provides a method for sending a paging message, including: receiving, by a network device, a terminal identifier of a terminal that is to receive a paging message; and using a frequency that is discontinuously received by the DRX cycle, the terminal identifier, and the paging message a function of the size of the domain resource, determining the frequency of the paging message Domain resource location; transmitting the paging message on the determined frequency domain resource location.
  • the method further includes: determining, by the network end device, a function function of the DRX cycle, the terminal identifier, and a preset offset a time domain resource location where the paging message is located, where the offset satisfies: the determined time domain resource location is different from the time domain resource location where the system information is located; and the transmitting location is determined at the determined frequency domain resource location
  • the paging message specifically includes: the network end device sending the paging message on the determined time domain resource location and the determined frequency domain resource location.
  • the method further includes: determining, by the network end device, a time domain in which the paging message is located according to a functional relationship between the DRX cycle and the terminal identifier a resource location; when the determined time domain resource location is the same as the time domain resource location where the system message is located, the network end device sends a system message at the determined time domain resource location without transmitting the paging message; When the location of the time domain resource is different from the location of the time domain resource in which the system message is located, the network device sends the paging message on the determined location of the frequency domain resource, specifically: the network device determines The paging message is sent on the location of the time domain resource and the determined location of the frequency domain resource.
  • the network end device according to the DRX cycle, the terminal identifier, and the Determining the location of the frequency domain resource in which the paging message is located, the method includes: the network device according to the DRX cycle, the terminal identifier, and the terminal group identifier The function relationship, determining the terminal group identifier; the function of the terminal group identifier, the size of the frequency domain resource occupied by the paging message, and the frequency domain resource group identifier, determining the frequency domain resource group identifier; according to the frequency domain resource group identifier and the frequency domain The mapping relationship of the resource location determines the location of the frequency domain resource mapped by the determined frequency domain resource group identifier.
  • mapping relationship is pre-agreed by the network end device and the terminal.
  • the method further includes: the network end device notifying the terminal to the mapping relationship.
  • the network end device notifying the mapping relationship to the terminal, specifically: And a semi-static or dynamic notification manner, notifying the terminal to the mapping relationship.
  • the terminal identifier includes: an international mobile subscriber identity IMSI, Radio Network Temporary Identity RNTI, International Mobile Equipment Identity Code IMEI or Temporary Mobile Subscriber Identity TMSI.
  • a terminal including: a frequency domain resource location determining unit, configured to determine, according to a function relationship between a discontinuous reception DRX cycle, a terminal identifier of the terminal, and a size of a frequency domain resource occupied by a paging message, a frequency domain resource location where the paging message is located; and a receiving unit, configured to receive the paging message at the determined frequency domain resource location.
  • the terminal further includes: a time domain resource location determining unit, configured to perform a function relationship according to the DRX cycle, the terminal identifier, and a preset offset And determining, by the time domain resource location where the paging message is located, where the offset is satisfied: the determined time domain resource location is different from the time domain resource location where the system information is located; : receiving the paging message on the determined time domain resource location and frequency domain resource location.
  • a time domain resource location determining unit configured to perform a function relationship according to the DRX cycle, the terminal identifier, and a preset offset And determining, by the time domain resource location where the paging message is located, where the offset is satisfied: the determined time domain resource location is different from the time domain resource location where the system information is located; : receiving the paging message on the determined time domain resource location and frequency domain resource location.
  • the terminal further includes: a time domain resource location determining unit, configured to determine the paging message according to a functional relationship between the DRX cycle and the terminal identifier The time domain resource location; the execution unit, configured to: when the determined time domain resource location is the same as the time domain resource location where the system message is located, not receiving the homing in the determined time domain resource location and the frequency domain resource location.
  • the receiving unit is specifically configured to: when the determined time domain resource location is different from the time domain resource location where the system message is located, receive the location in the determined time domain resource location and the determined frequency domain resource location Said paging message.
  • the frequency domain resource location determining unit specifically includes: a terminal group identifier determining subunit, For functioning according to the DRX cycle, the terminal identifier, and the terminal group identifier, Determining a terminal group identifier; a resource block group identifier determining subunit, configured to determine a resource block group identifier according to a terminal group identifier, a function of a frequency domain resource occupied by the paging message, and a frequency domain resource group identifier; the frequency domain resource a location determining sub-unit, configured to combine the frequency domain resource group identifier and the frequency domain resource location according to the third possible implementation manner of the third aspect, in a fourth possible implementation manner, the mapping relationship is a network end device Pre-agreed with the terminal.
  • the receiving unit is further configured to receive the mapping relationship that is sent by the network device.
  • the receiving unit is specifically configured to receive, by the network device, the static, semi-static or dynamic manner Mapping relations.
  • the terminal identifier includes: an international mobile subscriber identity IMSI, Radio Network Temporary Identity RNTI, International Mobile Equipment Identity Code IMEI or Temporary Mobile Subscriber Identity TMSI.
  • the fourth aspect provides a network end device, including: an identifier obtaining unit, configured to obtain a terminal identifier of a terminal that is to receive a paging message; a frequency domain resource location determining unit, configured to receive, according to the discontinuous reception DRX cycle, the terminal Determining, by a function of the size of the frequency domain resource occupied by the paging message, determining a frequency domain resource location where the paging message is located; and sending, configured to send the paging message on the determined frequency domain resource location .
  • the network device further includes: a time domain resource location determining unit, configured to use, according to the DRX cycle, the terminal identifier, and a preset offset a function relationship, determining a time domain resource location where the paging message is located, where the offset is satisfied: the determined time domain resource location is different from the time domain resource location where the system information is located; And transmitting: the paging message on the determined time domain resource location and the determined frequency domain resource location.
  • a time domain resource location determining unit configured to use, according to the DRX cycle, the terminal identifier, and a preset offset a function relationship, determining a time domain resource location where the paging message is located, where the offset is satisfied: the determined time domain resource location is different from the time domain resource location where the system information is located; And transmitting: the paging message on the determined time domain resource location and the determined frequency domain resource location.
  • the network device further includes: a time domain resource location determining unit, configured to determine a time domain resource location where the paging message is located according to a functional relationship between the DRX cycle and the terminal identifier; and an execution unit, configured to determine, when the time domain resource location is When the time domain resource location of the system message is the same, the network end device sends a system message at the determined time domain resource location without sending the paging message; the sending unit is specifically configured to: when determining the time domain When the resource location is different from the time domain resource location where the system message is located, the paging message is sent on the determined time domain resource location and the determined frequency domain resource location.
  • the frequency domain resource location determining unit specifically includes: a terminal group identifier determining subunit, And determining, according to the function relationship between the DRX period, the terminal identifier, and the terminal group identifier, the terminal group identifier; the frequency domain resource group identifier determining subunit, configured to use the frequency domain resource occupied by the terminal group identifier and the paging message.
  • mapping relationship is pre-agreed by the network end device and the terminal.
  • the sending unit is further configured to: notify the terminal of the mapping relationship.
  • the sending unit is specifically configured to notify the mapping relationship by using a static, semi-static or dynamic notification manner Said terminal.
  • the terminal identifier includes: an international mobile subscriber identity IMSI, Radio Network Temporary Identity RNTI, International Mobile Equipment Identity Code IMEI or Temporary Mobile Subscriber Identity TMSI.
  • the fifth aspect provides a terminal, including: a processor, configured to determine the paging according to a function relationship between a discontinuous reception DRX cycle, a terminal identifier of the terminal, and a size of a frequency domain resource occupied by a paging message.
  • the frequency domain resource location where the message is located; the signal receiver, used in the determined frequency domain The paging message is received at a resource location.
  • the processor is further configured to: determine the paging message according to a function relationship between the DRX cycle, the terminal identifier, and a preset offset The time domain resource location; wherein, the offset satisfies: the determined time domain resource location is different from the time domain resource location where the system information is located; the signal receiver is specifically configured to: determine the time domain resource The paging message is received at the location and the determined frequency domain resource location.
  • the processor is further configured to: determine, according to a functional relationship between the DRX cycle and the terminal identifier, a time domain resource location where the paging message is located; And when the determined time domain resource location is the same as the time domain resource location where the system message is located, indicating that the signal receiver does not receive the paging message on the determined time domain resource location and the frequency domain resource location; The receiver is specifically configured to: when the determined time domain resource location is different from the time domain resource location where the system message is located, receive the paging message on the determined time domain resource location and the determined frequency domain resource location.
  • the processor is specifically configured to: according to the DRX cycle, the terminal identifier The function relationship with the terminal group identifier, determining the terminal group identifier; the function of the terminal group identifier, the size of the frequency domain resource occupied by the paging message, and the frequency domain resource group identifier, determining the resource block group identifier; according to the frequency domain resource group The mapping relationship between the identifier and the location of the frequency domain resource determines the location of the frequency domain resource mapped by the determined frequency domain resource group identifier.
  • mapping relationship is pre-agreed by the network end device and the terminal.
  • the signal receiver is further configured to receive the mapping relationship that is sent by the network device.
  • the signal receiver is specifically configured to receive, by the network device, a static, semi-static or dynamic manner The mapping relationship.
  • the terminal identifier includes: an International Mobile Subscriber Identity (IMSI), a Radio Network Temporary Identity (RNTI), an International Mobile Equipment Identity (IMEI), or a Temporary Mobile Subscriber Identity (TMSI).
  • IMSI International Mobile Subscriber Identity
  • RNTI Radio Network Temporary Identity
  • IMEI International Mobile Equipment Identity
  • TMSI Temporary Mobile Subscriber Identity
  • a network device including: a processor, configured to obtain a terminal identifier of a terminal that is to receive a paging message; and according to a frequency of discontinuous reception of a DRX cycle, the terminal identifier, and a paging message A function of the size of the domain resource, determining a frequency domain resource location where the paging message is located; and a signal transmitter, configured to send the paging message on the determined frequency domain resource location.
  • the processor is further configured to determine, according to a function relationship between the DRX cycle, the terminal identifier, and a preset offset, where the paging message is located.
  • the time domain resource location wherein, the offset satisfies: the determined time domain resource location is different from the time domain resource location where the system information is located; the signal transmitter is specifically configured to determine the time domain resource location And transmitting the paging message on the determined frequency domain resource location.
  • the processor is further configured to: determine, according to a functional relationship between the DRX cycle and the terminal identifier, a time domain resource location where the paging message is located; And when the determined time domain resource location is the same as the time domain resource location where the system message is located, instructing the signal transmitter to send a system message at the determined time domain resource location without transmitting the paging message;
  • the device is specifically configured to: when the determined time domain resource location is different from the time domain resource location where the system message is located, send the paging message on the determined time domain resource location and the determined frequency domain resource location.
  • the processor is specifically configured to: according to the DRX cycle, the terminal identifier The function relationship with the terminal group identifier, determining the terminal group identifier; the function of the terminal group identifier, the size of the frequency domain resource occupied by the paging message, and the frequency domain resource group identifier, determining the frequency domain resource group identifier; The mapping relationship between the group identifier and the frequency domain resource location determines the frequency domain resource location mapped by the determined frequency domain resource group identifier.
  • the mapping relationship is pre-agreed by the network end device and the terminal.
  • the signal transmitter is further configured to notify the terminal of the mapping relationship.
  • the signal transmitter is specifically configured to: notify the mapping relationship by using a static, semi-static or dynamic notification manner To the terminal.
  • the terminal identifier includes: an international mobile subscriber identity IMSI, Radio Network Temporary Identity RNTI, International Mobile Equipment Identity Code IMEI or Temporary Mobile Subscriber Identity TMSI.
  • the method provided by the embodiment of the present invention determines the frequency domain resource location where the paging message is located according to the relationship between the DRX cycle, the terminal identifier, and the size of the frequency domain resource occupied by the paging message, without using the PDCCH (or EPDCCH) to send the The frequency domain resource location, so that the UE does not need to blindly detect the PDCCH (or EPDCCH) to determine the frequency domain resource location where the paging message is located, and solves that the UE consumes more processing resources in order to determine the frequency domain resource location where the PDSCH carrying the paging message is located.
  • FIG. 1 is a schematic flowchart of a method for receiving a paging message according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of a plurality of consecutive frequency domain resource locations in a frequency domain of the same terminal group identifier mapping
  • FIG. 4 is a schematic diagram of an OFDM symbol used to transmit a PBCH;
  • FIG. 5 is a schematic flowchart of a method for sending a paging message according to an embodiment of the present invention
  • FIG. 6 is a schematic structural diagram of a terminal according to an embodiment of the present disclosure
  • FIG. 7 is a schematic structural diagram of a network device according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of another terminal according to an embodiment of the present disclosure;
  • FIG. 9 is a schematic structural diagram of another network device according to an embodiment of the present invention. detailed description
  • the embodiment of the present invention first provides a method for receiving a paging message, and the specific process diagram of the method is shown in the following figure. As shown in Figure 1, the main steps are as follows:
  • Step 11 The terminal determines, according to a discontinuous reception (DRX) period, a terminal identifier (UE_ID) of the terminal, and a frequency domain resource occupied by the paging message, to determine a frequency domain resource where the paging message is located.
  • DRX discontinuous reception
  • UE_ID terminal identifier
  • the terminal may determine the terminal group identifier according to the function relationship between the DRX cycle, the terminal identifier, and the terminal group identifier; and then, according to the terminal group identifier, the size of the frequency domain resource occupied by the paging message, and the frequency domain resource group.
  • the function relationship of the identifier determines the frequency domain resource group identifier.
  • the frequency domain resource location mapped by the determined frequency domain resource group identifier is determined according to the mapping relationship between the frequency domain resource group identifier and the frequency domain resource location.
  • the terminal identifier can be, but is not limited to, an IP Multimedia Subsystem International Mobile Subscriber Identity (IMSI), a Radio Network Temporary Identity (RNTI), and an International Mobile Equipment Identity (International Mobile). Equipment Identity, IMEI) or Temporarily Mobile Equipment Identity (TMSI) and so on.
  • IMSI IP Multimedia Subsystem International Mobile Subscriber Identity
  • RNTI Radio Network Temporary Identity
  • International Mobile Equipment Identity International Mobile Equipment Identity
  • International Mobile Equipment Identity International Mobile Equipment Identity
  • IMEI International Mobile Equipment Identity
  • TMSI Temporarily Mobile Equipment Identity
  • step 11 may include the following sub-steps:
  • Sub-step 1 According to the DRX cycle and the terminal identifier (UE ID), the terminal group identifier N group is determined; for example, when nB>T, N groU p can be calculated according to the following formula [1]:
  • Ng p (UE—ID mod N) && (floor(UE—ID/N) mod Ns) [ 1 ]
  • N group can be calculated according to the following formula [2]:
  • T indicates the DRX cycle, and the network device can be in the system message block (System Information Block, SIB) 2 broadcast this parameter to the terminal.
  • SIB System Information Block
  • T can be 32, 64, 128 or 256, etc., and the unit is a radio frame.
  • N min(T , nB) , which is the minimum value in DRX and nB, in units of radio frames.
  • the nB can also be broadcasted by the network device in SIB2, and its value can be 4T, 2T, ⁇ , T / 2, T / 4, T / 8, T / 16 or T / 32, the unit is Wireless frame.
  • UE_ID IMSI mod 1024.
  • Ns max(l, ⁇ / ⁇ ).
  • Sub-step 2 determining the frequency domain resource group identifier according to the terminal group identifier N group , the frequency domain resource size occupied by the paging message, and the function relationship of the frequency domain resource group identifier;
  • Sub-step 3 Determine the frequency domain resource location mapped by the determined frequency domain resource group identifier according to the mapping relationship between the frequency domain resource group identifier and the frequency domain resource location.
  • the terminal may pre-store the mapping relationship between the frequency domain resource group identifier and the frequency domain resource location, so that after determining the frequency domain resource group identifier corresponding to the terminal group identifier N groU p, the terminal may pass the mapping.
  • the query of the relationship determines the location of the frequency domain resource corresponding to the identified frequency domain resource group identifier. For example, if the number of physical resource blocks (PRBs) occupied by the paging message is NPRB, and the set of NPRB PRBs occupied by the paging message is called a resource block group. Then, when the number of PRBs included in the system bandwidth is N Q , the maximum number of resource block groups that can be included in the system bandwidth can be calculated according to the following formula [3].
  • PRBs physical resource blocks
  • the system bandwidth can include two resource block groups.
  • the two resource block groups are the first resource block group and the second resource block group, respectively.
  • the functional relationship between the identifiers of the two resource block groups (0 and 1 respectively) and the terminal group identifier N group can be:
  • the N group satisfying the following formula [4] corresponds to the first resource block group:
  • N gr o U p mod [4] corresponds to the second resource block group:
  • the terminal may search for the group group identifier N group according to the mapping relationship between the identifier of the resource block group and the frequency domain resource location.
  • the frequency domain resource location corresponding to the identifier of the corresponding resource block group (for example, the identifier is 1).
  • the identifier of the same resource block group can be collectively mapped to one resource block group, as shown in FIG. 2; or the same resource block group.
  • the mapping relationship between the resource block group identifier and the frequency domain resource location may be pre-agreed by the network end device and the terminal, or may be determined by the network end device, and then the determined mapping relationship is notified to the terminal.
  • the terminal After determining the resource block group identifier according to the function relationship between the DRX period, the terminal identifier of the terminal itself, and the size of the frequency domain resource occupied by the paging message, the terminal determines the frequency domain corresponding to the resource block group identifier according to the mapping relationship. The location of the resource, so that the terminal can know which frequency domain resource location it can receive paging messages.
  • the size of the frequency domain resource occupied by the paging message may also be notified to the terminal by the size of the frequency domain resource occupied by the network device and the terminal.
  • the network end device may notify the terminal of the mapping relationship between the resource block group identifier and the frequency domain resource location by using a static, semi-static or dynamic notification manner.
  • the mapping relationship may be preset in the terminal, and the source of the mapping relationship is not limited in the embodiment of the present invention.
  • the network device may notify the terminal by carrying the mapping relationship in the system message;
  • the network device may specifically notify the terminal of the mapping relationship in the Radio Resource Control (RRC) common signaling or the RRC dedicated signaling; when the network device uses the dynamic notification mode
  • RRC Radio Resource Control
  • the network end device may specifically notify the terminal of the mapping relationship by using a control channel.
  • the network device can notify the terminal of the size of the frequency domain resource occupied by the paging message by using a static, semi-static or dynamic notification manner.
  • the size of the frequency domain resource occupied by the paging message may be preset in the terminal, and the source of the frequency domain resource occupied by the paging message obtained by the terminal is not used in the embodiment of the present invention. limited.
  • the network device may notify the terminal by using the size of the frequency domain resource occupied by the paging message in the system message;
  • the network end device may specifically notify the terminal of the size of the frequency domain resource occupied by the paging message in the Radio Resource Control (RRC) public signaling or the RRC dedicated signaling;
  • RRC Radio Resource Control
  • the network end device may specifically notify the terminal of the size of the frequency domain resource occupied by the paging message by using the control channel.
  • Step 12 The terminal receives the paging message at the determined location of the frequency domain resource.
  • a paging message is further proposed.
  • Several new ways of determining the location of the time domain resource in addition to a new determination manner for the location of the frequency domain resource where the paging message is located.
  • the network end device can calculate a paging frame (Paging Frame, PF) and a paging moment of the PDSCH for transmitting the paging message according to a specified algorithm of the identifier of the time domain resource occupied by the paging message. Paging Occasion, PO ), and then transmitting PDCCH (or EPDCCH) and PDSCH according to the determined PF and PO.
  • Paging Occasion, PO Paging Occasion
  • PDCCH or EPDCCH
  • the radio frame corresponding to the PF and the PO determined according to the specific algorithm may not be used to transmit the PDSCH carrying the paging message.
  • due to the transmission of system messages may be The enhancement method is used to overcome the penetration loss, and the enhanced system message may occupy all resources in the PDSCH, resulting in no additional frequency domain resources for transmitting paging messages.
  • the PBCH Physical Broadcast Channel
  • the PBCH will occupy the middle 72 subcarriers in the frequency domain, and in the time domain, it will be sent every 10 ms, and the sending position thereof.
  • the first four orthogonal frequency division multiplexing (OFDM) symbols are located in the first slot of the 0th subframe of each frame. As shown in the port diagram 4, the OFDM symbol completely within the area enclosed by the dotted line is the transmission position of the above PBCH. Further, the symbol / in Fig. 4 indicates the number of OFDM in the slot.
  • the content change period of the PBCH is 40 ms, that is, the content of the PBCH does not change within 40 ms of one cycle, but the content of the PBCH transmitted in the adjacent two cycles is different.
  • each frame includes only 72 subcarriers in the frequency domain, even if a paging message needs to be transmitted during the content change period of the PBCH according to the above specific algorithm, the content is The frequency domain resources included in the change period can only transmit PBCH, and no other frequency domain resources can be used to transmit paging messages.
  • the method for determining the location of the time domain resource in which the paging message is located in the prior art is improved to avoid the radio frame and the enhanced transmission system information for transmitting the paging message.
  • the radio frame conflicts and the paging message cannot be sent, so that the terminal cannot receive the paging message at the determined time domain resource location.
  • the offset mentioned here satisfies: the time domain resource location determined according to the above mapping relationship is different from the time domain resource location where the system information is located.
  • the system frame number (SFN) of the PF may be determined by the following formula [6]:
  • the SFN indicates the system frame number of the radio frame used to transmit the paging message, that is, the time-frequency resource location where the paging message is located, and the value ranges from 0 to 1023.
  • T represents the DRX cycle, and the network device can broadcast this parameter to the terminal in the System Information Block (SIB) 2.
  • SIB System Information Block
  • T can be 32, 64, 128 or 256, etc., and the unit is a radio frame.
  • N min(T , nB) , which is the minimum value in DRX and nB, in units of radio frames.
  • nB can also be broadcasted by the network device in SIB2, and its value can be 4T, 2T, ⁇ , T / 2, T / 4, T / 8, T / 16 or T / 32, the unit is Wireless frame.
  • UE_ID IMSI mod 1024.
  • the IMSI used to calculate the UE-ID may also be replaced by RNTI, IMEI or TMSI).
  • IMSI, RNTL IMEI and TMSI can be collectively referred to as terminal identifiers.
  • the PFoffset is a paging message offset (Paging frame offset), which is a preset offset as described in the embodiment of the present invention, which is generally an integer.
  • the transmission of the PBCH for transmitting the system message starts with the radio frame 0, and each of the PBCHs occupies 4 radio frames, and the transmission period of the PBCH is 32 radio frames.
  • the number of the radio frame used to transmit the PBCH can be: (0, 1, 2, 3), (32, 33, 34, 35), ... (32*k, 32*k+ l , 32*k+2, 32*k+3).
  • the PDSCH transmits a paging message, and the number of radio frames used for enhancing the transmission of the paging message in each DRX cycle is 2, and then, according to the determined number, the transmission paging message can be further determined.
  • the number of the radio frame transmitting the paging message includes: 1 and 32, and so on. Radio frames having these numbers are used both for transmitting paging messages and for transmitting system messages, and thus are likely to cause the problem that paging messages cannot be transmitted in the radio frames as described above.
  • the radio frame for transmitting the paging message is adjusted by using PFoffset, the radio frame for transmitting the paging message and the radio frame for transmitting the system message are staggered in the time domain, thereby avoiding the above problem.
  • the PFoffset may be indicated and indicated to the UE by adding an information element or field in the Paging Control Channel-Config (PCCH-Config) included in the existing SIB2.
  • the information element and the length of the field can each be one or more bits.
  • the network device can determine a plurality of different PFoffsets according to the time domain resources in which the system messages are located. Subsequently, the PFoffset may be selected from the determined PFoffsets and sent to the UE, to instruct the UE to substitute the PFoffset into the above formula [6] to calculate the SFN, and receive the paging message according to the calculated SFN.
  • the pseudo code below lists the value of PFoffset which can be determined in the values l(numl) and 2 (num2).
  • the numl and num2 may be predetermined by the network device.
  • PCCH-Config:: SEQUENCE ⁇
  • I_s floor(UE_ID/N) mod Ns+PSFoffset [7]
  • PSFoffset is a preset offset, which is determined according to the subframe number of the PO occupied by the system message in the PF, which satisfies: The i-s calculated by the formula [7] is different from the subframe number of the PO occupied by the system message in the PF.
  • the time domain resource location determined by the terminal is different from the time domain resource location where the system information is located, and the specific implementation manner of the foregoing step 12 may include: determining the The paging message is received on the time domain resource location and the frequency domain resource location.
  • the time-frequency resource location where the paging message is located is determined according to a functional relationship between the DRX cycle and the terminal identifier of the terminal. For example, you can use the following formula [8] to calculate the system frame number of PF SFN:
  • step 12 may include: The terminal receives the paging message on the determined time domain resource location and the frequency domain resource location determined by performing step 11.
  • a specific implementation code for the second method is as follows:
  • [T1, T2] represents the time at which a system message (such as PBCH) is transmitted.
  • the method determines the frequency domain resource location where the paging message is located according to the functional relationship between the DRX cycle and the terminal identifier, and does not need the PDCCH (or EPDCCH) to send the frequency domain resource.
  • the problem is that the UE does not need to detect the PDCCH (or EPDCCH) by the blind detection to determine the location of the frequency domain resource where the paging message is located, and solves the problem that the UE consumes more processing resources in order to determine the location of the frequency domain resource where the PDSCH carrying the paging message is located.
  • the embodiment of the present invention further provides a method for sending a paging message, and a specific process diagram of the method is shown in FIG. 5, including the following.
  • the main steps are as follows:
  • Step 51 The network end device obtains the terminal identifier of the terminal that is to receive the paging message.
  • the terminal identifier obtained by the network device may be, but is not limited to, an IMSI, an RNTI, an IMEI, or a TMSI of the terminal.
  • the terminal identifier obtained by the network device may be, but is not limited to, determined according to the IMSI, RNTL IMEI or TMSI of the terminal.
  • Step 52 Determine a frequency domain resource location where the paging message is located according to a DRX cycle, a obtained terminal identifier, and a function of a size of a frequency domain resource occupied by the paging message.
  • Step 53 Send a paging message on the determined frequency domain resource location.
  • the specific implementation manner may include the following sub-steps:
  • Sub-step 1 determining the terminal group identifier N group corresponding to the terminal identifier according to the DRX period and the obtained terminal identifier (UE_ID);
  • N group can be calculated according to the formula [1] described above; and when nB ⁇ T, N groU p can be calculated according to the formula [2] described above.
  • Sub-step 2 determining the frequency domain resource group identifier according to the terminal group identifier, the size of the frequency domain resource occupied by the paging message, and the function relationship of the frequency domain resource group identifier;
  • Sub-step 3 Determine the frequency domain resource location mapped by the determined frequency domain resource group identifier according to the mapping relationship between the frequency domain resource group identifier and the frequency domain resource location.
  • the network end device may pre-store the mapping relationship between the frequency domain resource group identifier and the frequency domain resource location, thereby determining the frequency domain resource group identifier corresponding to the terminal group identifier N groU p After that, the frequency domain resource location corresponding to the determined frequency domain resource group identifier may be determined by querying the mapping relationship.
  • the number of physical resource blocks (PRBs) occupied by the paging message is NPRB
  • the set of NPRB PRBs occupied by the paging message is called a resource block group.
  • the maximum number of resource block groups that the system bandwidth can include can be calculated according to the formula [3] described above.
  • the identifier of the first resource block group corresponding to the calculated N group may be determined according to the formula [4] and the formula [5] described above.
  • the network end device can search for the terminal group identifier N group according to the mapping relationship between the identifier of the pre-stored resource block group and the frequency domain resource location.
  • the frequency domain resource location corresponding to the identifier of the corresponding resource block group (for example, the identifier is 1).
  • the identifier of the same resource block group can be collectively mapped to one resource block group, as shown in FIG. 2; or the same resource
  • the mapping relationship between the resource block group identifier and the frequency domain resource location may be pre-agreed by the network end device and the terminal, or may be determined by the network end device, and then the determined mapping relationship is notified to the terminal.
  • the terminal After determining the resource block group identifier according to the function relationship between the DRX period, the terminal identifier of the terminal itself, and the size of the frequency domain resource occupied by the paging message, the terminal determines the frequency domain corresponding to the resource block group identifier according to the mapping relationship. The location of the resource, so that the terminal can know which frequency domain resource location it can receive paging messages.
  • the network end device may notify the terminal of the mapping relationship between the resource block group identifier and the frequency domain resource location by using a static, semi-static or dynamic notification manner.
  • the mapping relationship The source of the mapping relationship is not limited in the embodiment of the present invention.
  • the network device may notify the terminal by carrying the mapping relationship in the system message; when the network device uses the semi-static notification mode, the network The end device may specifically notify the terminal in the radio resource control (RRC) common signaling or the RRC dedicated signaling; when the network device uses the dynamic notification mode, the network device specifically The mapping relationship can be notified to the terminal by using the control channel.
  • RRC radio resource control
  • the time domain resource location where the paging message is located is determined according to the DRX cycle, the obtained terminal identifier of the terminal to be received the paging message, and the preset offset.
  • the offset mentioned here satisfies: the time domain resource location determined according to the above mapping relationship is different from the time domain resource location where the system information is located.
  • the system system frame number SFN of the PF may be determined by using the formula [6] described above.
  • T div N (UE—ID mod N) + PFoffset radical
  • the transmission of the PBCH for transmitting the system message starts with the radio frame 0, and each of the PBCHs occupies 4 radio frames, and the transmission period of the PBCH is 32 radio frames.
  • the number of the radio frame used to transmit the PBCH may be: (0, 1, 2, 3), (32, 33, 34, 35), (32*k, 32*k+l, 32*k+ 2, 32*k+3).
  • the number of the radio frame transmitting the paging message includes: 1 and 32, and so on. Radio frames having these numbers are used both for transmitting paging messages and for transmitting system messages, and thus are likely to cause the problem that paging messages cannot be transmitted in the radio frames as described above.
  • the radio frame for transmitting the paging message is adjusted by using PFoffset, the radio frame for transmitting the paging message and the radio frame for transmitting the system message are staggered in the time domain, thereby avoiding the above problem.
  • the PFoffset may be indicated and indicated to the UE by adding an information element or field in the Paging Control Channel-Config (PCCH-Config) included in the existing SIB2.
  • the information element and the length of the field can each be one or more bits.
  • the network device can determine a plurality of different PFoffsets according to the time domain resources in which the system messages are located. Subsequently, a PFoffset may be selected from the determined PFoffsets and sent to the UE, to instruct the UE to substitute the PFoffset into the formula [6] to calculate the SFN, and receive the paging message according to the calculated SFN.
  • the pseudo code below lists the value of PFoffset which can be determined in the values l(numl) and 2 (num2).
  • the numl and num2 may be predetermined by the network device.
  • PCCH-Config:: SEQUENCE ⁇
  • the subframe number i_s of the PO for transmitting the paging message in the PF may be further calculated by using the formula [7] described above, so that the PO in the PF is used to send the paging message. It is different from the PO used to send system messages.
  • the specific implementation of the foregoing step 53 may include: the network device sends a paging message on the determined time domain resource location and the frequency domain resource location.
  • the time-frequency resource location is determined according to a functional relationship between the DRX cycle and the obtained terminal identity of the terminal to receive the paging message.
  • the system frame number SFN of the PF can be calculated using the formula [8] described above.
  • the network end device sends the system message at the determined time domain resource location without sending the paging message; and if the determined time domain is The location of the resource is different from the location of the time domain resource, and the manner in which the network device sends the paging message on the determined location of the frequency domain may include: determining, by the network device, the location of the time domain resource and determining A paging message is sent on the location of the frequency domain resource.
  • a specific implementation code for the second method is as follows:
  • T1, T2] represents the time at which a system message (such as PBCH) is transmitted.
  • the method determines the frequency domain resource location where the paging message is located according to the function relationship between the DRX periodic terminal identifier and the size of the frequency domain resource occupied by the paging message, without
  • the PDCCH (or EPDCCH) is used to transmit the frequency domain resource location, so that the UE does not need to blindly detect the PDCCH (or EPDCCH) to determine the frequency domain resource location where the paging message is located, and solves the frequency domain in which the UE locates the PDSCH carrying the paging message.
  • Resource location It takes more time to deal with resources.
  • the embodiment of the present invention further provides a terminal, as shown in FIG. 6, for solving a frequency domain in which a UE is configured to determine a PDSCH carrying a paging message.
  • the resource location consumes more processing resources.
  • the terminal specifically includes the following main functional units as shown in FIG. 6:
  • the frequency domain resource location determining unit 61 is configured to determine, according to a discontinuous reception DRX cycle, a terminal identifier of the terminal, and a size of a frequency domain resource occupied by the paging message, to determine a frequency domain resource location where the paging message is located;
  • the receiving unit 62 is configured to receive a paging message on the determined frequency domain resource location.
  • the terminal provided by the embodiment of the present invention may further include a time domain resource location determining unit 63 as shown in FIG. 6.
  • the time domain resource location determining unit 63 may be configured to determine a time domain resource location where the paging message is located according to a function relationship between the DRX cycle, the terminal identifier, and the preset offset. Wherein, the offset satisfies: the determined time domain resource location is different from the time domain resource location where the system information is located.
  • the receiving unit 62 may be specifically configured to: receive the paging message on the determined time domain resource location and the frequency domain resource location.
  • the time domain resource location determining unit 63 may also determine the time domain resource location in other manners.
  • the time domain resource location where the paging message is located may be determined according to a functional relationship between the DRX cycle and the terminal identity.
  • the terminal shown in FIG. 6 may further include an execution unit.
  • the execution unit is configured to receive the paging message from the determined time domain resource location and the frequency domain resource location when the determined time domain resource location is the same as the time domain resource location where the system message is located.
  • the receiving unit 62 may be specifically configured to: when the determined time domain resource location is different from the time domain resource location where the system message is located, receive the paging on the determined time domain resource location and the determined frequency domain resource location. Message.
  • the frequency domain resource location determining unit 61 may be divided into the following functional subunits:
  • the terminal group identification determining subunit is configured to use the DRX cycle, the terminal identifier, and the terminal group identifier according to the DRX cycle. Function relationship, determining the terminal group identifier;
  • a resource block group identification determining unit configured to determine a resource block group identifier according to a terminal group identifier, a function of a frequency domain resource occupied by the paging message, and a function relationship of the frequency domain resource group identifier;
  • the frequency domain resource location determining sub-unit, in the embodiment of the present invention, according to the frequency domain resource group identifier and the frequency domain resource location, the foregoing mapping relationship may be pre-agreed by the network end device and the terminal; or may be sent by the network end device To the terminal, and received by the receiving unit 62 of the terminal. Specifically, the network device can transmit the mapping relationship in a static, semi-static or dynamic manner.
  • the embodiment of the present invention further provides a network device as shown in FIG. 7, which mainly includes the following functional units:
  • the identifier obtaining unit 71 is configured to obtain a terminal identifier of the terminal that is to receive the paging message
  • the frequency domain resource location determining unit 72 is configured to use, according to the discontinuous reception DRX period, the terminal identifier obtained by the identifier obtaining unit 71, and the paging message.
  • the sending unit 73 is configured to send a paging message on the determined frequency domain resource location.
  • the network device provided by the embodiment of the present invention may further include a time domain resource location determining unit 74 as shown in FIG. 7.
  • the time domain resource location determining unit 74 is specifically configured to determine a time domain resource location where the paging message is located according to a functional relationship between the DRX cycle, the terminal identifier, and a preset offset; wherein the offset satisfies: The location of the time domain resource is different from the location of the time domain resource where the system information is located.
  • the sending unit 73 may be specifically configured to: the time domain resource location determined by the time domain resource location determining unit 74 and the frequency domain resource location determined by the frequency domain resource location determining unit 72. Send a paging message.
  • the network device may further include: a time domain resource location determining unit 74, configured to determine, according to a functional relationship between the DRX cycle and the terminal identifier, a time domain resource location where the paging message is located; And an execution unit, configured to: when the determined time domain resource location is the same as the time domain resource location where the system message is located, the network end device sends the system message at the determined time domain resource location without sending the paging message.
  • a time domain resource location determining unit 74 configured to determine, according to a functional relationship between the DRX cycle and the terminal identifier, a time domain resource location where the paging message is located
  • an execution unit configured to: when the determined time domain resource location is the same as the time domain resource location where the system message is located, the network end device sends the system message at the determined time domain resource location without sending the paging message.
  • the sending list is specifically configured to: when the determined time domain resource location is different from the time domain resource location where the system message is located, send the paging message on the determined time domain resource location and the determined frequency domain resource location.
  • the frequency domain resource location determining unit 72 may be specifically divided into the following functional subunits:
  • a terminal group identifier determining subunit configured to determine a terminal group identifier according to a function relationship between the DRX period, the terminal identifier, and the terminal group identifier;
  • a frequency domain resource group identifier determining subunit configured to determine a frequency domain resource group identifier according to a terminal group identifier, a function of a frequency domain resource occupied by the paging message, and a function relationship of the frequency domain resource group identifier;
  • the frequency domain resource location determining sub-unit is configured to provide the foregoing mapping relationship to the terminal in a pre-agreed manner according to the embodiment of the present invention in the frequency domain resource group identifier and the frequency domain resource location.
  • the mapping unit may notify the terminal of the mapping relationship.
  • the sending unit 73 may specifically notify the terminal of the mapping relationship by using a static, semi-static or dynamic notification manner.
  • the embodiment of the present invention further provides a terminal as shown in FIG. 8, which mainly includes the following functional entities:
  • the processor 81 is configured to determine, according to a discontinuous reception DRX cycle, a terminal identifier of the terminal, and a size of a frequency domain resource occupied by the paging message, to determine a frequency domain resource location where the paging message is located, and a signal receiver 82. Receiving a paging message at the determined frequency domain resource location.
  • the processor 81 is further configured to: determine, according to a function relationship of a DRX cycle, a terminal identifier, and a preset offset, a time domain resource location where the paging message is located; where the offset satisfies: The location of the time domain resource is different from the location of the time domain resource where the system information is located.
  • the signal receiver 82 is specifically configured to: receive a paging message on the determined time domain resource location and the determined frequency domain resource location.
  • the processor 81 may be further configured to: determine, according to a functional relationship between the DRX cycle and the terminal identifier, a time domain resource location where the paging message is located; and when the determined time domain resource location is the same as the time domain resource location where the system message is located. , indicating that the signal receiver 82 is not in the determined time domain resource location and A paging message is received at a frequency domain resource location.
  • the signal receiver 82 is specifically configured to: when the determined time domain resource location is different from the time domain resource location where the system message is located, receive the paging message on the determined time domain resource location and the determined frequency domain resource location. .
  • the processor 81 is specifically configured to: determine, according to a functional relationship between the DRX cycle, the terminal identifier, and the terminal group identifier, the terminal group identifier; according to the terminal group identifier, the size and frequency domain of the frequency domain resource occupied by the paging message.
  • the function relationship of the resource group identifier determines the resource block group identifier; and determines the frequency domain resource location mapped by the determined frequency domain resource group identifier according to the mapping relationship between the frequency domain resource group identifier and the frequency domain resource location.
  • the mapping relationship is pre-agreed by the network end device and the terminal; or may be sent by the network end device to the terminal and received by the signal receiver 82 of the terminal.
  • the signal receiver 82 can receive a mapping relationship that is sent by the network device in a static, semi-static or dynamic manner.
  • the embodiment of the present invention further provides a network device as shown in FIG. 9, which mainly includes the following functional entities:
  • the processor 91 is configured to obtain a terminal identifier of the terminal that is to receive the paging message, and determine, according to a function relationship between the discontinuous reception DRX period, the terminal identifier, and the size of the frequency domain resource occupied by the paging message, where the paging message is located. Frequency domain resource location;
  • the signal transmitter 92 is configured to send a paging message on the frequency domain resource location determined by the processor 91.
  • the processor 91 is further configured to determine, according to a DRX cycle, a terminal identifier, and a preset offset, a time domain resource location where the paging message is located, where the offset satisfies: The time domain resource location is different from the time domain resource location where the system information is located. Based on this function of the processor 91, the signal transmitter 92 can be specifically configured to transmit a paging message at the determined time domain resource location and the determined frequency domain resource location.
  • the processor 91 is further configured to: determine, according to a functional relationship between the DRX cycle and the terminal identifier, a time domain resource location where the paging message is located; when the determined time domain resource location is related to a time domain resource location where the system message is located At the same time, the indicator signal transmitter 92 transmits a system message at the determined time domain resource location without transmitting a paging message.
  • the signal transmitter 92 is specifically configured to: when the determined time domain resource location is different from the time domain resource location where the system message is located, A paging message is sent on the determined time domain resource location and the determined frequency domain resource location.
  • the processor 91 is specifically configured to: determine, according to a functional relationship between the DRX cycle, the terminal identifier, and the terminal group identifier, the terminal group identifier; according to the terminal group identifier, the size and frequency domain of the frequency domain resource occupied by the paging message.
  • the function relationship of the resource group identifier determines the frequency domain resource group identifier; and determines the frequency domain resource location mapped by the determined frequency domain resource group identifier according to the mapping relationship between the frequency domain resource group identifier and the frequency domain resource location.
  • the network end device may pre-agreed the foregoing mapping relationship with the terminal; or the signal transmitter 92 may notify the terminal of the mapping relationship.
  • the signal transmitter 92 may specifically notify the terminal by using a static, semi-static or dynamic notification manner.
  • the foregoing terminal identifiers may all be the IMSI, the RNTL IMEI, or the TMSI of the terminal, or the terminal identifiers may be determined according to the IMSI, the RNTL IMEI, or the TMSI of the terminal.
  • the method provided by the embodiment of the present invention determines the frequency domain resource location where the paging message is located according to the relationship between the DRX cycle, the terminal identifier, and the size of the frequency domain resource occupied by the paging message, without using the PDCCH (or EPDCCH) to send the The frequency domain resource location, so that the UE does not need to blindly detect the PDCCH (or EPDCCH) to determine the frequency domain resource location where the paging message is located, and solves that the UE consumes more processing resources in order to determine the frequency domain resource location where the PDSCH carrying the paging message is located.
  • the problem is described in order to determine the frequency domain resource location where the PDSCH carrying the paging message is located.
  • embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware. Moreover, the invention can be embodied in the form of one or more computer program products embodied on a computer-usable storage medium (including but not limited to disk storage, CD-ROM, optical storage, etc.) in which computer usable program code is embodied.
  • a computer-usable storage medium including but not limited to disk storage, CD-ROM, optical storage, etc.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

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Abstract

La présente invention concerne un procédé de réception d'un message de recherche et un terminal, permettant de résoudre le problème selon lequel trop de ressources de traitement sont consommées lorsqu'un UE détermine l'emplacement d'une ressource du domaine fréquentiel où se trouve un PDSCH qui porte un message de recherche. Le procédé comporte les étapes consistant à : déterminer, par un terminal, selon une relation fonctionnelle entre une période de réception discontinue (DRX), une identification de terminal du terminal et la taille d'une ressource du domaine fréquentiel occupée par un message de recherche, l'emplacement de la ressource du domaine fréquentiel où se trouve le message de recherche ; et recevoir le message de recherche à l'emplacement déterminé de la ressource du domaine fréquentiel. L'invention concerne également un procédé d'émission de message de recherche et un dispositif de terminal de réseau.
PCT/CN2013/084107 2013-09-24 2013-09-24 Procédé de réception et procédé et appareil d'émission de message de recherche WO2015042780A1 (fr)

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