WO2018121148A1 - Procédé de sélection de ressources de communication, terminal intelligent portatif et dispositif d'accès - Google Patents

Procédé de sélection de ressources de communication, terminal intelligent portatif et dispositif d'accès Download PDF

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Publication number
WO2018121148A1
WO2018121148A1 PCT/CN2017/112826 CN2017112826W WO2018121148A1 WO 2018121148 A1 WO2018121148 A1 WO 2018121148A1 CN 2017112826 W CN2017112826 W CN 2017112826W WO 2018121148 A1 WO2018121148 A1 WO 2018121148A1
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Prior art keywords
resource pool
selection
information
time
intelligent terminal
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PCT/CN2017/112826
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English (en)
Chinese (zh)
Inventor
郑倩
雷艺学
张云飞
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宇龙计算机通信科技(深圳)有限公司
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Publication of WO2018121148A1 publication Critical patent/WO2018121148A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a communication resource selection method in a vehicle networking system, a handheld intelligent terminal and an access device.
  • V2X Vehicle to Everything
  • RAN Radio Access Network #72.
  • the main research is based on long-term The Internet Terminology message transmission scheme of the Long Term Evolution (LTE) includes: as shown in FIG. 1 , Vehicle to Vehicle (V2V), Vehicle to Pedestrian (V2P), and Vehicle Road The method of communication (Vehicle to Infrastructure, V2I) and Vehicle to Network (V2N).
  • V2V Vehicle to Vehicle
  • V2P Vehicle to Pedestrian
  • V2N Vehicle Road The method of communication
  • V2I Vehicle to Infrastructure
  • V2N Vehicle to Network
  • V2P communication One end of the V2P communication is a Pedestrian User Equipment (P-UE) of the pedestrian, and the other end is a Vehicle User Equipment (V-UE).
  • P-UE Pedestrian User Equipment
  • V-UE Vehicle User Equipment
  • the communication resource selection for the P-UE the conclusion reached at the 3GPP RAN1#86 standardization conference is that the P-UE can adopt random selection when selecting the communication resource (random selection) ) or partial sensing.
  • the V2P communication may be based on a priority control (PC5) air interface terminal to direct communication (Device to Device, D2D) SL transmission scheme, as shown in FIG. 2A or FIG. 2B.
  • PC5 priority control
  • D2D Direct communication
  • the P-UE and P-UE are not directly connected to the Evolved Universal Terrestril Radio Access Network (E-UTRAN).
  • E-UTRAN Evolved Universal Terrestril Radio Access Network
  • the P-UE can support the selection mechanism of two different communication resources, namely random selection or partial sensing.
  • the choice mechanism for which communication resources to use is not discussed and defined. Theoretically, if the P-UE adopts a random selection mechanism, it has the advantages of power saving and processing complexity, but the probability of resource collision is greater, which will reduce the reliability of the P-UE transmitting data packet to a certain extent. If partial perceptual selection is adopted, the probability of resource collision is small, but there is a problem of high processing complexity and power consumption.
  • the embodiment of the invention provides a communication resource selection method and a handheld intelligent terminal, which are used for both power saving and power saving on the premise of ensuring processing complexity and reliability.
  • An embodiment of the present invention provides a communication resource selection method, including:
  • the handheld intelligent terminal receives the resource pool information sent by the access device, where the information included in the resource pool information includes: a time-frequency location of at least one available resource pool, whether the available resource pool allows random selection, and whether the available resource pool is Allow partial perceptual selection, as well as conditions that allow partial perceptual selection;
  • the handheld smart terminal selects a time-frequency resource from the available resource pool that allows random selection according to whether the handheld smart terminal has a secondary link receiving capability and whether the condition of the allowed partial sensing selection is met, or The time-frequency resource is selected within the available resource pool that allows partial sensing of the selection.
  • the handheld smart terminal selects the available from allowing random selection according to whether the handheld smart terminal has a secondary link receiving capability and whether the condition of the allowed partial sensing selection is met. Selecting a time-frequency resource in the resource pool, or selecting a time-frequency resource from the available resource pool that allows partial sensing selection includes:
  • the handheld intelligent terminal selects a time-frequency resource from the available resource pool that is allowed to be randomly selected, if the handheld intelligent terminal does not have the secondary link receiving capability;
  • the handheld smart terminal selects a time-frequency resource from the available resource pool that allows the partial sensing to select, if it is determined that the handheld smart terminal has a secondary link receiving capability and meets the condition that the allowed partial sensing selection is performed;
  • the handheld smart terminal selects a time-frequency resource from the available resource pool that is allowed to be randomly selected, in a case where it is determined that the handheld smart terminal has a secondary link receiving capability and does not meet the condition that the allowed partial sensing selection.
  • the handheld intelligent terminal receives the resource pool information sent by the access device, including:
  • the handheld intelligent terminal receives the resource pool information sent by the access device by using broadcast or by using radio resource control signaling.
  • the handheld intelligent terminal receives the resource pool information sent by the access device, and further includes:
  • the handheld intelligent terminal sends auxiliary information to the access device, and receives the resource pool information adjusted by the access device according to the auxiliary information.
  • the sending, by the handheld intelligent terminal, the auxiliary information to the access device includes:
  • the handheld intelligent terminal sends auxiliary information to the access device by using radio resource control signaling.
  • the auxiliary information includes:
  • the current location and/or channel congestion rate of the handheld smart terminal is the current location and/or channel congestion rate of the handheld smart terminal.
  • the method further includes:
  • the handheld intelligent terminal determines to select the time-frequency resource from the available resource pool that is allowed to be partially selected, if the available time-frequency resource is not perceived after the predetermined time, the time-frequency is selected from the available resource pool that is allowed to be randomly selected. Resources.
  • the condition for allowing the partial sensing selection includes: a congestion rate threshold exceeding a channel congestion rate and/or a traffic busyness of an area where the current location of the handheld smart terminal is located exceeds a busyness threshold.
  • the second embodiment of the present invention provides another communication resource selection method, including:
  • the access device determines resource pool information, where the information included in the resource pool information includes: a time-frequency location of at least one available resource pool, whether the available resource pool allows random selection, and whether the available resource pool allows partial sensing selection, And conditions that allow partial perceptual selection;
  • the access device sends the resource pool information to the handheld smart terminal by broadcasting or by using radio resource control signaling.
  • the method further includes:
  • the access device sends the adjusted resource pool information to the handheld intelligent terminal by using a broadcast or by using radio resource control signaling.
  • the third embodiment of the present invention provides a handheld intelligent terminal, including:
  • the information receiving unit is configured to receive resource pool information sent by the access device, where the information included in the resource pool information includes: a time-frequency location of at least one available resource pool, and whether the available resource pool is allowed Randomly selecting whether the available resource pool allows partial perceptual selection and conditions that allow partial perceptual selection;
  • a resource selection unit configured to select a time-frequency resource from the available resource pool that allows random selection according to whether the handheld smart terminal has a secondary link receiving capability and whether the condition of the allowed partial sensing selection is met, or Time-frequency resources are selected from the pool of available resources that allow partial perceptual selection.
  • the resource selection unit is configured to select a time-frequency resource from the available resource pool that is allowed to be randomly selected, if the handheld intelligent terminal does not have the secondary link receiving capability. ;
  • the time-frequency resource is selected from the available resource pool that is allowed to be randomly selected.
  • the information receiving unit is configured to receive resource pool information sent by the access device by using a broadcast or by using a radio resource control signaling.
  • the handheld smart terminal further includes:
  • An information sending unit that sends auxiliary information to the access device
  • the information receiving unit is further configured to receive the resource pool information that is adjusted by the access device according to the auxiliary information.
  • the information sending unit is configured to send auxiliary information to the access device by using radio resource control signaling.
  • the auxiliary information includes:
  • the current location and/or channel congestion rate of the handheld smart terminal is the current location and/or channel congestion rate of the handheld smart terminal.
  • the resource selection unit is further configured to: after determining the time-frequency resource from the available resource pool that is allowed to be perceptually selected, if the available time-frequency resource is not perceived after the predetermined time, The time-frequency resource is then selected from the pool of available resources that allows random selection.
  • the condition for allowing partial sensing selection includes: a congestion rate threshold exceeding a channel congestion rate and/or a traffic busyness of an area where the current location of the handheld smart terminal is located Exceeded the busyness threshold.
  • the fourth embodiment of the present invention further provides an access device, including:
  • the information determining unit is configured to determine resource pool information, where the information included in the resource pool information includes: a time-frequency location of at least one available resource pool, whether the available resource pool allows random selection, and whether the available resource pool allows part Perceptual choices, and conditions that allow partial perceptual selection;
  • the information sending unit is configured to send the resource pool information to the handheld smart terminal by using a broadcast or by using radio resource control signaling.
  • the access device further includes:
  • An information receiving unit configured to receive, by using radio resource control signaling, auxiliary information sent by the handheld intelligent terminal;
  • the information determining unit is further configured to determine the adjusted resource pool information according to the auxiliary information
  • the information sending unit is further configured to send the adjusted resource pool information to the handheld intelligent terminal by using a broadcast or by using radio resource control signaling.
  • the fifth embodiment of the present invention further provides a handheld intelligent terminal, including: a processor, an input and output device, and a memory; an executable program is stored in the memory; and the processor implements the foregoing by executing the executable program.
  • a handheld intelligent terminal including: a processor, an input and output device, and a memory; an executable program is stored in the memory; and the processor implements the foregoing by executing the executable program.
  • the embodiment of the present invention further provides an access device, including: a processor, an input and output device, and a memory; an executable program is stored in the memory; and the processor implements the foregoing by executing the executable program.
  • an access device including: a processor, an input and output device, and a memory; an executable program is stored in the memory; and the processor implements the foregoing by executing the executable program.
  • the embodiment of the present invention has the following advantages: the access device configures the time-frequency location of the resource pool, allows random selection, allows partial perceptual selection, and allows in the resource pool configured for the P-UE. Partially aware of the selection conditions, which can facilitate the P-UE to adopt an adaptive time-frequency resource selection method according to its own conditions, thereby simultaneously satisfying the processing complexity, reliability, and power saving requirements.
  • FIG. 1 is a schematic structural diagram of a vehicle networking system according to an embodiment of the present invention.
  • FIG. 2A is a schematic structural diagram of a V2P communication system according to an embodiment of the present invention.
  • FIG. 2B is a schematic structural diagram of a V2P communication system according to an embodiment of the present invention.
  • FIG. 3 is a schematic flowchart of a method according to an embodiment of the present invention.
  • FIG. 4 is a schematic flowchart of a method according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a handheld intelligent terminal according to an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of a handheld intelligent terminal according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of a handheld intelligent terminal according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of a terminal device according to an embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram of an access device according to an embodiment of the present invention.
  • FIG. 10 is a schematic structural diagram of an access device according to an embodiment of the present invention.
  • an embodiment of the present invention provides a communication resource selection method, as shown in FIG. 3, including:
  • the handheld intelligent terminal receives the resource pool information sent by the access device, where the information included in the resource pool information includes: a time-frequency location of at least one available resource pool, whether the available resource pool is allowed to be randomly selected, and whether the available resource pool is allowed. Partial perceptual selection, and conditions that allow partial perceptual selection;
  • the handheld smart terminal may be any P-UE in the V2X network, for example, any handheld smart terminal such as a mobile phone, a tablet computer, a PDA (Personal Digital Assistant), a POS (Point of Sales), or the like.
  • any handheld smart terminal such as a mobile phone, a tablet computer, a PDA (Personal Digital Assistant), a POS (Point of Sales), or the like.
  • condition for allowing partial sensing selection may generally be a condition that affects the partial sensing selection, for example, the current channel congestion rate of the P-UE, the traffic busyness corresponding to the current location of the P-UE, and the like.
  • the foregoing access device may be a device responsible for accessing the network by the P-UE, such as an E-UTRAN Node B (eNB) in the E-UTRAN of FIG. 2A or FIG. 2B.
  • eNB E-UTRAN Node B
  • the above-mentioned handheld intelligent terminal selects the above-mentioned available from the random selection according to whether the handheld intelligent terminal has the secondary link receiving capability and whether the condition for allowing the partial sensing selection is met.
  • the time-frequency resource is selected in the resource pool, or the time-frequency resource is selected from the above-mentioned available resource pool that allows partial sensing selection.
  • the P-UE since the P-UE has no sub-link reception capability, the P-UE will not have the capability of partial perceptual selection, and therefore, in the case that the P-UE has no sub-link reception capability, Time-frequency resources are not selected in a way that is partially perceptually chosen. In the case that the P-UE has the sub-link receiving capability, the P-UE will have the capability of partial sensing. In other words, when the P-UE has the sub-link receiving capability, the time-frequency resource is selected by using the partial sensing selection. Or, it is possible to select time-frequency resources by means of random selection.
  • P-UE selects time-frequency resources in a random selection manner, it has the advantages of power saving and low processing complexity, but has the disadvantage of large resource collision probability, which will reduce the reliability of P-UE transmitting data packets to a certain extent.
  • the P-UE selects time-frequency resources by means of partial perceptual selection, and vice versa. Therefore, when the P-UE has the secondary link receiving capability, the time-frequency resource can be selected according to the resource pool information sent by the access device.
  • the specific selection manner is not limited by the embodiment of the present invention.
  • the embodiment of the present invention has the following advantages: the access device configures the time-frequency location of the resource pool, allows random selection, allows partial perceptual selection, and allows in the resource pool configured for the P-UE. Partially aware of the selection conditions, which can facilitate the P-UE to adopt an adaptive time-frequency resource selection method according to its own conditions, thereby simultaneously satisfying the processing complexity, reliability, and power saving requirements.
  • the embodiment of the present invention further provides an implementation scheme for determining a time-frequency resource in a specific manner of determining a random selection or a partial perceptual selection, as follows: whether the handheld intelligent terminal is based on whether the handheld intelligent terminal has a secondary Selecting time-frequency resources from the available resource pools that allow random selection, or selecting time-frequency resources from the available resource pools that allow partial sensing selection, including:
  • the handheld smart terminal is configured to select a time-frequency resource from the available resource pool that is allowed to be randomly selected, if the handheld intelligent terminal does not have the secondary link receiving capability;
  • the handheld smart terminal is configured to select a time-frequency resource from the available resource pool that allows the partial sensing to select, if it is determined that the handheld intelligent terminal has a secondary link receiving capability and meets the condition for allowing the partial sensing selection;
  • the above-mentioned handheld intelligent terminal allows the above-mentioned available from the random selection. Select time-frequency resources in the resource pool.
  • the implementation manner of selecting the time-frequency resource in the manner of determining the random selection or the partial perceptual selection in the above three manners is performed in the actual execution process, so it should not be understood that the above three implementation schemes are P-UE. A scenario that needs to be executed at the same time.
  • the embodiment further provides a specific implementation manner in which the access device sends the resource pool information to the P-UE: the handheld intelligent terminal receives the resource pool information sent by the access device, including:
  • the handheld intelligent terminal receives the resource pool information sent by the access device by using broadcast or by using radio resource control signaling.
  • the manner in which the foregoing access device sends information to the P-UE may be selected based on the communication mode adopted between the access device and the P-UE, and the above solution should not be construed as exhaustive of all optional implementations.
  • the P-UE may not be able to select an appropriate time-frequency resource from the resource pool. Therefore, the embodiment of the present invention further provides an implementation scheme for the P-UE to coordinate with the access device, as follows:
  • the above-mentioned handheld intelligent terminal receives the resource pool information sent by the access device, and further includes:
  • the handheld intelligent terminal sends auxiliary information to the access device, and receives the resource pool information adjusted by the access device according to the auxiliary information.
  • the auxiliary information is fed back by the P-UE for the access device to adjust the resource pool information.
  • the auxiliary information may be any parameter that affects resource pool allocation.
  • the specific implementation scheme for the P-UE to feed the auxiliary information to the access device is also provided.
  • the sending, by the handheld intelligent terminal, the auxiliary information to the access device includes:
  • the handheld intelligent terminal sends the auxiliary information to the access device by using radio resource control signaling.
  • auxiliary information includes:
  • auxiliary information may be any parameter that affects the allocation of the resource pool, the above examples should not be construed as limiting the uniqueness of the embodiments of the present invention.
  • the embodiment of the present invention further provides the following solution, as the method is used to compare the power consumption and the power consumption is not necessarily selected.
  • the handheld intelligent terminal determines to select the time-frequency resource from the available resource pool selected by the permission part, if the available time-frequency resource is not perceived after the predetermined time, the time-frequency resource is selected from the available resource pool that is allowed to be randomly selected.
  • the power saving and the reliability can be further taken into consideration, and the long-term partial sensing is prevented from selecting a suitable time-frequency resource, thereby consuming a large amount of power and processor resources.
  • parameters that affect partial sensing selection are also provided, as follows: the foregoing conditions for allowing partial sensing selection include: a congestion rate threshold exceeding a channel congestion rate and/or a current location of the handheld intelligent terminal. Traffic congestion in the area exceeds the busyness threshold.
  • V2P system composed of an eNB and a P-UE, as shown in FIG. 4, including:
  • the eNB sends the resource pool information configured by the eNB to the P-UE to the P-UE by using a broadcast message or Radio Resource Control (RRC) signaling.
  • RRC Radio Resource Control
  • the resource pool information may include time-frequency locations of one or more resource pools that can be used; whether each resource pool allows random selection; whether each resource pool allows partial partial sensing; Resource pools do the conditions for partial sensing; and so on.
  • condition that the resource pool performs partial sensing may be a comprehensive judgment of one or several variables, such as a threshold of a channel busy ratio (CBR) (the threshold is allowed to select a communication resource based on partial sensing), the location Information (if the location of the P-UE corresponds to a busy location, allowing communication resources to be selected based on partial sensing), and so on.
  • CBR channel busy ratio
  • the P-UE determines whether it has a sidelink receiving capability. If not, the P-UE selects a time-frequency resource in a resource pool that allows random selection. If yes, go to 403.
  • the P-UE determines whether the current state of the P-UE is consistent with the condition for performing partial sensing.
  • the current state information of the P-UE includes: the current power, the current channel congestion rate, the current geographic location, and the like; and may also perform comprehensive judgment based on the usage conditions included in the resource pool information configured by the eNB. If not, the P-UE selects a time-frequency resource in a resource pool that allows random selection. If it is met, the P-UE selects a time-frequency resource in a resource pool that allows partial sensing.
  • the P-UE may selectively report auxiliary information to the eNB (channel congestion rate, geographic location) And so on, so that the eNB dynamically adjusts the usage conditions of the resource pool according to the current situation, and delivers the newly configured resource pool information to the P-UE through RRC signaling.
  • auxiliary information channel congestion rate, geographic location
  • the P-UE does not perceive the available time-frequency resources based on the partial sensing within a certain time T, and then transfers to the time-frequency resource from the resource pool that allows the random selection.
  • the P-UE achieves power saving, processing complexity, and reliability by selecting communication resources based on the P-UE's own capabilities and the state in which it is located.
  • the second embodiment of the present invention provides another method for selecting a communication resource, which is implemented on the side of the access device corresponding to the foregoing embodiment, and is specifically as follows:
  • the access device determines resource pool information, where the information included in the resource pool information includes: a time-frequency location of at least one available resource pool, whether the available resource pool allows random selection, and whether the available resource pool allows partial sensing selection, And conditions that allow partial perceptual selection;
  • the access device sends the resource pool information to the handheld smart terminal by broadcasting or by using radio resource control signaling.
  • the embodiment of the present invention further provides an implementation scheme for updating resource pool information, as follows:
  • the method further includes:
  • the access device sends the adjusted resource pool information to the handheld intelligent terminal by using a broadcast or by using radio resource control signaling.
  • the present invention provides a handheld intelligent terminal, as shown in FIG. 5, including:
  • the information receiving unit 501 is configured to receive resource pool information sent by the access device, where the information included in the resource pool information includes: a time-frequency location of at least one available resource pool, whether the available resource pool allows random selection, and the available resource pool Whether partial perceptual selection is allowed, and conditions that allow partial perceptual selection;
  • the resource selection unit 502 is configured to select a time-frequency resource from the available resource pool that is allowed to be randomly selected according to whether the handheld smart terminal has the secondary link receiving capability and whether the condition for allowing the partial sensing selection is met, or The time-frequency resource is selected in the above-mentioned available resource pool selected by the partial sensing.
  • the handheld smart terminal may be any P-UE in the V2X network, such as a mobile phone, a tablet, a PDA (Personal Digital Assistant), and a POS (Point of Sales, Any handheld smart terminal such as a sales terminal).
  • PDA Personal Digital Assistant
  • POS Point of Sales
  • condition for allowing partial sensing selection may generally be a condition that affects the partial sensing selection, for example, the current channel congestion rate of the P-UE, the traffic busyness corresponding to the current location of the P-UE, and the like.
  • the foregoing access device may be a device responsible for accessing the network by the P-UE, such as an E-UTRAN Node B (eNB) in the E-UTRAN of FIG. 2A or FIG. 2B.
  • eNB E-UTRAN Node B
  • the P-UE since the P-UE has no sub-link reception capability, the P-UE will not have the capability of partial perceptual selection, and therefore, in the case that the P-UE has no sub-link reception capability, Time-frequency resources are not selected in a way that is partially perceptually chosen. In the case that the P-UE has the sub-link receiving capability, the P-UE will have the capability of partial sensing. In other words, when the P-UE has the sub-link receiving capability, the time-frequency resource is selected by using the partial sensing selection. Or, it is possible to select time-frequency resources by means of random selection.
  • P-UE selects time-frequency resources in a random selection manner, it has the advantages of power saving and low processing complexity, but has the disadvantage of large resource collision probability, which will reduce the reliability of P-UE transmitting data packets to a certain extent.
  • the P-UE selects time-frequency resources by means of partial perceptual selection, and vice versa. Therefore, when the P-UE has the secondary link receiving capability, the time-frequency resource can be selected according to the resource pool information sent by the access device.
  • the specific selection manner is not limited by the embodiment of the present invention.
  • the embodiment of the present invention has the following advantages: the access device configures the time-frequency location of the resource pool, allows random selection, allows partial perceptual selection, and allows in the resource pool configured for the P-UE. Partially aware of the selection conditions, which can facilitate the P-UE to adopt an adaptive time-frequency resource selection method according to its own conditions, thereby simultaneously satisfying the processing complexity, reliability, and power saving requirements.
  • the embodiment of the present invention further provides an implementation scheme for determining a time-frequency resource in a specific manner of determining a random selection or a partial perceptual selection, as follows: the resource selection unit 502 is configured to determine the handheld When the intelligent terminal does not have the secondary link receiving capability, the time-frequency resource is selected from the available resource pool that allows random selection;
  • the time-frequency resource is selected from the available resource pool that allows partial sensing selection
  • time-frequency resources are selected from the pool of available resources that are allowed to be randomly selected.
  • the implementation manner of selecting the time-frequency resource in the manner of determining the random selection or the partial perceptual selection in the above three manners is performed in the actual execution process, so it should not be understood that the above three implementation schemes are P-UE. A scenario that needs to be executed at the same time.
  • the embodiment further provides a specific implementation manner in which the access device sends the resource pool information to the P-UE: the information receiving unit 501 is configured to receive by using broadcast or by using radio resource control signaling. Resource pool information sent by the access device.
  • the manner in which the foregoing access device sends information to the P-UE may be selected based on the communication mode adopted between the access device and the P-UE, and the above solution should not be construed as exhaustive of all optional implementations.
  • the P-UE may not be able to select an appropriate time-frequency resource from the resource pool. Therefore, the embodiment of the present invention further provides an implementation scheme for the P-UE to coordinate with the access device, as follows: As shown in FIG. 6, the above handheld smart terminal further includes:
  • the information sending unit 601 sends the auxiliary information to the access device.
  • the information receiving unit 501 is further configured to receive the resource pool information that is adjusted by the access device according to the auxiliary information.
  • the auxiliary information is fed back by the P-UE for the access device to adjust the resource pool information.
  • the auxiliary information may be any parameter that affects resource pool allocation.
  • a specific implementation scheme for the P-UE to feed back the auxiliary information to the access device is also provided, where the information sending unit 601 is configured to send the foregoing to the access device by using radio resource control signaling. Supplementary information.
  • auxiliary information includes:
  • auxiliary information may be any parameter that affects the allocation of the resource pool, the above examples should not be construed as limiting the uniqueness of the embodiments of the present invention.
  • the embodiment of the present invention provides the following solution: the resource selection unit 502 is further provided, because the part of the sensing selection is used to compare the power consumption and the time-frequency resource is not necessarily selected. For selecting among the above available resource pools that are determined to allow partial perceptual selection After the time-frequency resource is selected, if the available time-frequency resource is not perceived after the predetermined time, the time-frequency resource is selected from the available resource pool that is allowed to be randomly selected.
  • the power saving and the reliability can be further taken into consideration, and the long-term partial sensing is prevented from selecting a suitable time-frequency resource, thereby consuming a large amount of power and processor resources.
  • parameters that affect partial sensing selection are also provided, as follows: the foregoing conditions for allowing partial sensing selection include: a congestion rate threshold exceeding a channel congestion rate and/or a current location of the handheld intelligent terminal. Traffic congestion in the area exceeds the busyness threshold.
  • the embodiment of the present invention further provides a handheld intelligent terminal, as shown in FIG. 7, comprising: a processor 701, an input and output device 702, and a memory 703; wherein the executable 703 stores an executable program;
  • the 701 performs the above executable program to implement the following functions:
  • Receiving resource pool information sent by the access device where the information included in the resource pool information includes: a time-frequency location of at least one available resource pool, whether the available resource pool allows random selection, whether the available resource pool allows partial sensing selection, and Allowing partial perception of the conditions of selection;
  • the foregoing selecting according to whether the handheld smart terminal has a sub-link receiving capability, and whether the condition for allowing the partial sensing selection is met, selecting to select a time-frequency resource from the available resource pool that is allowed to be randomly selected, Alternatively, selecting time-frequency resources from the above-mentioned available resource pools that allow partial perceptual selection includes:
  • the time-frequency resource is selected from the available resource pool that allows random selection
  • the handheld smart terminal is configured to select a time-frequency resource from the available resource pool that allows the partial sensing to select, if it is determined that the handheld intelligent terminal has a secondary link receiving capability and meets the condition for allowing the partial sensing selection;
  • the handheld smart terminal may select a time-frequency resource from the available resource pool that is allowed to be randomly selected, in the case that it is determined that the handheld smart terminal has a secondary link receiving capability and does not meet the above-described conditions for allowing partial sensing selection.
  • the receiving the resource pool information sent by the access device includes:
  • the resource pool information sent by the access device is received by broadcast or by radio resource control signaling.
  • the processor 701 is further configured to send the auxiliary information to the access device by using the radio resource control signaling, and receive the resource pool information that is adjusted by the access device according to the auxiliary information.
  • the foregoing auxiliary information includes:
  • the processor pass 701 is further configured to: after determining to select a time-frequency resource from the available resource pool that is allowed to be partially selected, if the available time-frequency resource is not perceived after the predetermined time, The time-frequency resource is selected in the above-mentioned available resource pool that is randomly selected.
  • the foregoing conditions for allowing partial sensing selection include: a congestion rate threshold exceeding a channel congestion rate and/or a traffic busyness of an area where the current location of the handheld smart terminal is located exceeds a busyness threshold.
  • the embodiment of the present invention further provides another terminal device.
  • FIG. 8 for the convenience of description, only parts related to the embodiment of the present invention are shown. For details that are not disclosed, refer to the method of the embodiment of the present invention. section.
  • the terminal device may be any terminal device including a mobile phone, a tablet computer, a PDA (Personal Digital Assistant), a POS (Point of Sales), an in-vehicle computer, and the terminal device is used as a mobile phone as an example:
  • FIG. 8 is a block diagram showing a partial structure of a mobile phone related to a terminal device provided by an embodiment of the present invention.
  • the mobile phone includes: a radio frequency (RF) circuit 810, a memory 820, an input unit 830, a display unit 840, a sensor 850, an audio circuit 860, a wireless fidelity (WiFi) module 870, and a processor 880. And power supply 890 and other components.
  • RF radio frequency
  • the RF circuit 810 can be used for receiving and transmitting signals during the transmission or reception of information or during a call. Specifically, after receiving the downlink information of the base station, it is processed by the processor 880. In addition, the uplink data is designed to be sent to the base station.
  • RF circuit 810 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a Low Noise Amplifier (LNA), a duplexer, and the like.
  • LNA Low Noise Amplifier
  • RF circuitry 810 can also communicate with the network and other devices via wireless communication.
  • the above wireless communication can be used Any communication standard or protocol, including but not limited to Global System of Mobile communication (GSM), General Packet Radio Service (GPRS), Code Division Multiple Access (CDMA) , Wideband Code Division Multiple Access (WCDMA), Long Term Evolution (LTE), e-mail, Short Messaging Service (SMS), and the like.
  • GSM Global System of Mobile communication
  • GPRS General Packet Radio Service
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • LTE Long Term Evolution
  • SMS Short Messaging Service
  • the memory 820 can be used to store software programs and modules, and the processor 880 executes various functional applications and data processing of the mobile phone by running software programs and modules stored in the memory 820.
  • the memory 820 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application required for at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may be stored according to Data created by the use of the mobile phone (such as audio data, phone book, etc.).
  • memory 820 can include high speed random access memory, and can also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
  • the input unit 830 can be configured to receive input numeric or character information and to generate key signal inputs related to user settings and function controls of the handset.
  • the input unit 830 may include a touch panel 831 and other input devices 832.
  • the touch panel 831 also referred to as a touch screen, can collect touch operations on or near the user (such as the user using a finger, a stylus, or the like on the touch panel 831 or near the touch panel 831. Operation), and drive the corresponding connecting device according to a preset program.
  • the touch panel 831 can include two parts: a touch detection device and a touch controller.
  • the touch detection device detects the touch orientation of the user, and detects a signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts the touch information into contact coordinates, and sends the touch information.
  • the processor 880 is provided and can receive commands from the processor 880 and execute them.
  • the touch panel 831 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic waves.
  • the input unit 830 may also include other input devices 832.
  • other input devices 832 may include, but are not limited to, one or more of a physical keyboard, function keys (such as volume control buttons, switch buttons, etc.), trackballs, mice, joysticks, and the like.
  • the display unit 840 can be used to display information input by the user or information provided to the user as well as various menus of the mobile phone.
  • the display unit 840 can include a display panel 841.
  • a liquid crystal display (LCD) or an organic light emitting diode (Organic Light-Emitting) can be used.
  • the display panel 841 is configured in the form of a Diode, OLED, or the like.
  • the touch panel 831 can cover the display panel 841. When the touch panel 831 detects a touch operation thereon or nearby, the touch panel 831 transmits to the processor 880 to determine the type of the touch event, and then the processor 880 according to the touch event. The type provides a corresponding visual output on display panel 841.
  • the touch panel 831 and the display panel 841 are two independent components to implement the input and input functions of the mobile phone, in some embodiments, the touch panel 831 can be integrated with the display panel 841. Realize the input and output functions of the phone.
  • the handset can also include at least one type of sensor 850, such as a light sensor, motion sensor, and other sensors.
  • the light sensor may include an ambient light sensor and a proximity sensor, wherein the ambient light sensor may adjust the brightness of the display panel 841 according to the brightness of the ambient light, and the proximity sensor may close the display panel 841 and/or when the mobile phone moves to the ear. Or backlight.
  • the accelerometer sensor can detect the magnitude of acceleration in all directions (usually three axes). When it is stationary, it can detect the magnitude and direction of gravity.
  • the mobile phone can be used to identify the gesture of the mobile phone (such as horizontal and vertical screen switching, related Game, magnetometer attitude calibration), vibration recognition related functions (such as pedometer, tapping), etc.; as for the mobile phone can also be configured with gyroscopes, barometers, hygrometers, thermometers, infrared sensors and other sensors, no longer Narration.
  • the gesture of the mobile phone such as horizontal and vertical screen switching, related Game, magnetometer attitude calibration
  • vibration recognition related functions such as pedometer, tapping
  • the mobile phone can also be configured with gyroscopes, barometers, hygrometers, thermometers, infrared sensors and other sensors, no longer Narration.
  • An audio circuit 860, a speaker 861, and a microphone 862 can provide an audio interface between the user and the handset.
  • the audio circuit 860 can transmit the converted electrical data of the received audio data to the speaker 861 for conversion to the sound signal output by the speaker 861; on the other hand, the microphone 862 converts the collected sound signal into an electrical signal by the audio circuit 860. After receiving, it is converted into audio data, and then processed by the audio data output processor 880, sent to the other mobile phone via the RF circuit 810, or outputted to the memory 820 for further processing.
  • WiFi is a short-range wireless transmission technology
  • the mobile phone can help users to send and receive emails, browse web pages, and access streaming media through the WiFi module 870, which provides users with wireless broadband Internet access.
  • FIG. 8 shows the WiFi module 870, it can be understood that it does not belong to the essential configuration of the mobile phone, and can be omitted as needed within the scope of not changing the essence of the invention.
  • the processor 880 is the control center of the handset, and connects various portions of the entire handset using various interfaces and lines, by executing or executing software programs and/or modules stored in the memory 820, and invoking data stored in the memory 820, executing The phone's various functions and processing data, so that the overall monitoring of the phone.
  • the processor 880 may include one or more processing units; preferably, the processor 880 may integrate an application processor and a modem processor, where the application processor mainly processes operations.
  • the system, user interface, application, etc., the modem processor primarily handles wireless communications. It will be appreciated that the above described modem processor may also not be integrated into the processor 880.
  • the handset also includes a power source 890 (such as a battery) that supplies power to the various components.
  • a power source 890 such as a battery
  • the power source can be logically coupled to the processor 880 through a power management system to manage functions such as charging, discharging, and power management through the power management system.
  • the mobile phone may further include a camera, a Bluetooth module, and the like, and details are not described herein again.
  • the steps performed by the handheld smart terminal in the above embodiments may be based on the structure shown in FIG. 8, and will not be further described herein.
  • the embodiment of the invention further provides an access device, as shown in FIG. 9, comprising:
  • the information determining unit 901 is configured to determine resource pool information, where the information included in the resource pool information includes: a time-frequency location of at least one available resource pool, whether the available resource pool allows random selection, and whether the available resource pool allows Partial perceptual selection, and conditions that allow partial perceptual selection;
  • the information sending unit 902 is configured to send the resource pool information to the handheld smart terminal by using a broadcast or by using radio resource control signaling.
  • the embodiment of the present invention further provides an implementation solution for updating the resource pool information, as follows: the access device further includes:
  • the information receiving unit 903 is configured to receive the auxiliary information sent by the handheld intelligent terminal by using radio resource control signaling;
  • the information determining unit 901 is further configured to determine, according to the auxiliary information, the adjusted resource pool information;
  • the information sending unit 902 is further configured to send the adjusted resource pool information to the handheld intelligent terminal by using a broadcast or by using radio resource control signaling.
  • An embodiment of the present invention further provides an access device, as shown in FIG. 10, including: a processor 1001, an input and output device 1002, and a memory 1003; wherein an executable program is stored in the memory 1003;
  • the processor 1001 implements the method flow executed by the access device in the foregoing embodiment by executing the executable program.
  • each unit included is only divided according to functional logic, but is not limited to the foregoing division, as long as the corresponding function can be implemented;
  • the specific names of the respective functional units are also for convenience of distinguishing from each other and are not intended to limit the scope of protection of the present invention.
  • the storage medium may be a read only memory, a magnetic disk or an optical disk or the like.

Abstract

L'invention concerne un procédé de sélection de ressources de communication, un terminal intelligent portatif et un dispositif d'accès. Le procédé comporte les étapes suivantes: un terminal intelligent portatif reçoit des informations d'ensemble de ressources émises par un dispositif d'accès, des informations comprises dans les informations d'ensemble de ressources comportant: une position temps-fréquence d'au moins un ensemble de ressources disponibles, le fait que l'ensemble de ressources disponibles autorise ou non une sélection aléatoire, le fait que l'ensemble de ressources disponibles autorise ou non une sélection avec détection partielle, et des conditions pour autoriser la sélection avec détection partielle; et le terminal intelligent portatif sélectionne, suivant que le terminal intelligent portatif possède une capacité de réception en liaison latérale et qu'il se conforme aux conditions pour autoriser la sélection avec détection partielle, une ressource temps-fréquence dans l'ensemble de ressources disponibles autorisant la sélection aléatoire ou sélectionne une ressource temps-fréquence dans l'ensemble de ressources disponibles autorisant la sélection avec détection partielle. Les exigences concernant la complexité de traitement, la fiabilité et la prise en considération des économies d'électricité peuvent être satisfaites en même temps.
PCT/CN2017/112826 2016-12-30 2017-11-24 Procédé de sélection de ressources de communication, terminal intelligent portatif et dispositif d'accès WO2018121148A1 (fr)

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