WO2017012534A1 - 用于无线通信的电子设备以及无线通信方法 - Google Patents
用于无线通信的电子设备以及无线通信方法 Download PDFInfo
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- WO2017012534A1 WO2017012534A1 PCT/CN2016/090508 CN2016090508W WO2017012534A1 WO 2017012534 A1 WO2017012534 A1 WO 2017012534A1 CN 2016090508 W CN2016090508 W CN 2016090508W WO 2017012534 A1 WO2017012534 A1 WO 2017012534A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/02—Selection of wireless resources by user or terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/18—Negotiating wireless communication parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/23—Manipulation of direct-mode connections
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
- H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/51—Allocation or scheduling criteria for wireless resources based on terminal or device properties
Definitions
- the present disclosure relates generally to the field of wireless communications, and more particularly to electronic devices for wireless communications and wireless communication methods.
- Proximity-based service (ProSe) direct communication involved in the 3GPP (3rd Generation Partnership Project) standard refers to a mode in which user equipments (UEs) can directly communicate with each other, and ProSe direct communication may include, for example, equipment manufacturing equipment (D2D) Communication and communication between the vehicle and related entities (V2X communication, which may include, for example, vehicle to vehicle (V2V), vehicle to facility (V2I), and vehicle to pedestrian (V2P) communication, etc.).
- V2X communication which may include, for example, vehicle to vehicle (V2V), vehicle to facility (V2I), and vehicle to pedestrian (V2P) communication, etc.
- V2X communication vehicle to vehicle
- V2V vehicle to vehicle
- V2I vehicle to facility
- V2P vehicle to pedestrian
- the evolved base station usually schedules the UE to perform ProSe direct communication on the same resource as the cellular communication main frequency of the eNB.
- the UEs that are connected to other cells by the RRC may also perform ProSe direct communication according to the wireless communication resources detected by themselves, such as the resource pool broadcasted on the public safety ProSe carrier.
- an electronic device for wireless communication includes one or more processors.
- the processor is configured to determine a current carrier aggregation status of the first user equipment in response to a proximity service direct communication requirement of the first user equipment.
- the processor is also configured to be based on And determining, by the carrier aggregation status of the user equipment, a radio resource configuration of the first user equipment, where the radio resource configuration is used for direct communication of the proximity service of the first user equipment.
- a method of wireless communication includes the step of determining a current carrier aggregation status of the first user equipment in response to a proximity service direct communication requirement of the first user equipment.
- the method also includes the step of determining a radio resource configuration of the first user equipment based on a carrier aggregation status of the first user equipment, wherein the radio resource configuration is for direct communication of the proximity service of the first user equipment.
- Embodiments of the present invention provide a scheme for scheduling radio resource configuration for ProSe direct communication according to a carrier aggregation state of a UE, and the solution of the present invention is useful for shortening measurement of a UE for the radio resource configuration as compared with the existing manner. Time and communication overhead.
- FIG. 1 is a block diagram showing a configuration example of an electronic device for wireless communication according to an embodiment of the present invention
- FIG. 2 is a block diagram showing a configuration example of a second determination unit in an electronic device for wireless communication, according to an embodiment
- FIG. 3 is a block diagram showing a configuration example of an electronic device for wireless communication according to another embodiment
- FIG. 4 is a block diagram showing a configuration example of an electronic device for wireless communication according to another embodiment
- FIG. 5 is a block diagram showing a configuration example of an electronic device for wireless communication according to another embodiment
- FIG. 6 is a block diagram showing a configuration example of an electronic device for wireless communication according to another embodiment
- FIG. 7 is a diagram showing a configuration example of an electronic device for wireless communication according to another embodiment. block diagram
- FIG. 8 is a flowchart showing an example of a procedure of a wireless communication method according to an embodiment of the present invention.
- FIG. 9 is a signaling flowchart for explaining an example of a procedure of radio resource configuration according to an embodiment of the present invention.
- FIG. 10 is a signaling flowchart for explaining an example of a procedure of radio resource configuration according to an embodiment of the present invention.
- 11 is a signaling flowchart for explaining an example of a procedure of radio resource configuration according to an embodiment of the present invention.
- FIG. 12 is a signaling flowchart for explaining an example of a procedure of radio resource configuration according to an embodiment of the present invention.
- FIG. 13 is a schematic diagram for explaining an exemplary manner of radio resource configuration according to an embodiment of the present invention.
- Figure 14 is a schematic diagram for explaining direct communication of a proximity service
- 15 is a block diagram showing an exemplary structure of a computer that implements the method and apparatus of the present disclosure
- 16 is a block diagram showing an example of a schematic configuration of a smartphone that can apply the technology of the present disclosure
- FIG. 17 is a block diagram showing an example of a schematic configuration of an eNB (Evolved Base Station) to which the technology of the present disclosure can be applied;
- eNB Evolved Base Station
- FIG. 18 is a block diagram showing a configuration example of an electronic device for wireless communication according to an embodiment of the present invention.
- an electronic device 100 for wireless communication includes a processor 110. As explained later in connection with the specific embodiments, the electronic device 100 can operate as a base station or a user. device.
- first determining unit 111 and the second unit 113 in the processor 110 are shown in separate dashed boxes in the drawing, it should be understood that the first determining unit 111 and the second determining unit 113 are understood.
- the functionality may also be implemented by processor 110 as a whole, and is not necessarily implemented by separate physical components in processor 110.
- the processor 110 is shown in a block in the figure, the communication device 100 may include a plurality of processors, and the functions of the first determining unit 111 and the second determining unit 113 may be distributed to a plurality of processors, thereby Multiple processors work together to perform these functions.
- the first determining unit 111 is configured to determine a current carrier aggregation state of the first user equipment in response to a proximity service direct communication requirement of the first user equipment.
- the base station can transmit the primary control signal through a primary component carrier (PCC, Primary Component Carrier) corresponding to the primary cell (Pcell, Primary Cell). And the resource scheduling indication of the secondary component carrier (SCC) corresponding to the secondary cell (Scell, Secondary Cell), thereby enabling cross-carrier scheduling, on the other hand,
- PCC Primary Component Carrier
- SCC secondary component carrier
- the general user equipment sends the uplink control information to the base station only through the primary cell.
- the current standardization discussion does not address the specific working mode when carrier aggregation and proximity service direct communication are superimposed.
- the user equipment generally communicates with the base station and other user equipments in a time division multiplexing manner on the same carrier. This way of working is obviously inefficient and the invention is intended to give some solutions.
- the electronic device 100 can operate as a base station or user equipment.
- the first user equipment that is RRC connected to the base station is to perform direct communication by the proximity service
- the first user equipment may send corresponding indication information to the base station, and the base station corresponds to the The indication information, for example, determines the current carrier aggregation status of the first user equipment according to the information held by the base station.
- the proximity service direct communication requirement and the current carrier aggregation status can be directly known.
- the second determining unit 113 is configured to determine a radio resource configuration of the first user equipment based on a carrier aggregation status of the first user equipment.
- the radio resource configuration is used for direct communication of the proximity service of the first user equipment.
- the second determining unit 113 may be configured to determine whether to reconfigure the current carrier aggregation to enable proximity service direct communication based on the determined carrier aggregation status and the device capability of the first user equipment, wherein the carrier aggregation State can include aggregated component carriers (CC) quantity.
- the device capability of the first user equipment may include an uplink multi-carrier support capability, such as an uplink aggregation capability (eg, whether uplink carrier aggregation is supported, an upper limit of the number of carriers capable of supporting uplink carrier aggregation), and accordingly, the carrier aggregation status may include the current The number of uplink component carriers.
- reconfiguration of the current carrier aggregation may include releasing at least one aggregated component carrier, and reconfiguring may also include configuring one of the aggregated component carriers for proximity service direct communication.
- the second determining unit 113 may be configured, for example, to release at least one aggregated component carrier and configure one of the component carriers for proximity service direct communication if the number of aggregated component carriers reaches a predetermined threshold.
- the predetermined threshold is determined, for example, based on the device capabilities of the user equipment, such as the upper limit of the number of carriers that can be supported.
- the UE in the case of carrier aggregation, can be directly scheduled to perform ProSe communication on the used secondary carrier (SCC), thereby facilitating, for example, further reducing measurement time and communication overhead for radio resource configuration and the like.
- SCC secondary carrier
- the base station may notify the UE of the reconfiguration of the current carrier aggregation through a bitmap in Media Access Control (MAC) signaling.
- the configuration notification may also be implemented by different information units (IEs) in the same RRC signaling (for example, RRCConnectionReconfiguration), such as information about the released secondary carrier (sCellToReleaseList) and secondary link configuration information about the ProSe (sl -CommConfig), where the carrier frequencies to be released contained in the two IEs are the same as the carrier frequencies directly communicating with the neighboring services.
- IEs information units
- an 8-bit data bit as shown in Table 1 below may be used to indicate the relevant component carrier.
- an 8-bit bitmap is sufficient to indicate whether 8 cells are used as ProSe component carriers, and only some of the bits can be utilized as needed.
- the last bit is set to 1 in order to identify this signaling as ProSe indication signaling.
- 0 means that the corresponding serving cell does not carry ProSe direct communication; Indicates that the corresponding serving cell will carry ProSe direct communication.
- some or all of the 8 bits may be used for encoding.
- an 8-bit code can represent at least 256 cells, and only a portion of the bits can be utilized as needed.
- the 3-bit "001" represents the PCC of the UE
- the "010” represents the SCC1 of the UE, and the like, as shown in Table 2.
- the second determining unit 113 may be configured to preferentially release a channel carrier having a low channel quality or an inactive component among the aggregated component carriers or as a carrier for direct communication of the proximity service.
- the impact on the original communication by carrier aggregation can be reduced while reconfiguring the current carrier aggregation to enable direct communication of the proximity service.
- the second determining unit 113 may be configured to use the same one of the aggregated component carriers used by the first user equipment in the second user equipment to be in direct communication with the first user equipment.
- the same carrier is selected as a carrier for direct communication between the second user equipment and the proximity service between the first user equipment.
- the base station compares the channel quality of each component carrier, and selects a component carrier with poor channel quality. Used as a proximity service for direct communication. Especially, in the case that the same component carrier is used between two UEs that perform direct communication of the proximity service, the component carrier can be used for carrying the proximity service direct communication without considering the channel quality, thereby completing the two UEs with less overhead. Configuration.
- the base station may send component carrier indication signaling to the user equipment, where the signaling is used to inform the user equipment on which component carrier to perform the proximity service directly. Communication.
- UE1 performs cellular communication on component carriers CC1, CC2, CC3, CC1 is PCC, and CC2 and CC3 are SCC.
- the base station can compare the uplink channel quality of CC2 and CC3 and select the worse one, such as CC3, and determine CC3 as the direct communication for the proximity service.
- CC1 can be used for direct communication between UE1 and UE2 proximity services.
- the base station After the carrier is selected, the base station sends component carrier indication signaling to the user, which is used to inform the user on which CC to establish proximity service direct communication.
- FIG. 9 shows an example of a signaling flow corresponding to this example.
- step 1 UE2 requests the base station to perform direct communication with the UE1, which is, for example, a ProSe UE Information indication;
- step 2 the base station determines a reconfiguration manner of the carrier aggregation, for example, adding a new component carrier for UE1 or selecting one of the existing component carriers of UE1 for direct communication of the proximity service;
- step 3 the base station selects one of the component carriers of UE1 for direct communication of the proximity service;
- step 4 the base station sends component carrier indication signaling to UE1 (eg, indicated by a control unit of the MAC layer);
- step 5 the base station sends an RRC connection reconfiguration signaling to the UE2;
- step 6 UE1 sends a component carrier indication signaling reception response to the base station
- step 7 UE2 sends an RRC connection reconfiguration response to the base station
- step 8 the base station allocates resource blocks in the selected carrier to UE1 and UE2, for example, through a Physical Downlink Control Channel (PDCCH);
- PDCH Physical Downlink Control Channel
- UE1 and UE2 perform direct communication of proximity services.
- the component carried by the base station to UE1 in step 4 above Wave indications are not required.
- another way in current proximity service direct communication is proximity service direct discovery to discover nearby UEs via direct radio signals on the PC5 interface.
- UE2 transmits a discovery signal, and UE1 only needs to receive and discover without transmitting information to UE2, so it is not necessary to configure the component carrier.
- the second determining unit 113 may be further configured to determine a carrier for the first user equipment to perform proximity service direct communication from the predetermined set of carriers.
- the second determining unit 113 may be configured to select a carrier to be used for proximity service direct communication from the set of carriers if the number of aggregated component carriers used by the first user equipment does not reach the predetermined number ( Adding a new carrier), wherein the set of carriers may include multiple carriers that the serving base station of the first user equipment can schedule and that are not used by the first user equipment and the second user equipment that is to be in direct communication with the first user equipment for proximity services .
- a carrier to be used for direct communication of the proximity service can be selected in the following manner:
- the component carriers that are directly communicating with the proximity service can be used to randomly select one component carrier for direct communication of the proximity service;
- the component carriers that can communicate directly with the proximity service can select the carrier to be used for direct communication of the proximity service according to the usage of the carrier. For example, the number of user equipments can be included in the usage of the carrier.
- This component carrier is being used for cellular communication;
- the component carriers that can communicate directly with the neighboring service can be used to select the component whose historical measurement channel quality is lower according to the historical measurement channel quality reported by the group of user equipments, for example, RSRP.
- the carrier is used for direct communication by the proximity service.
- the second determining unit 113 is configured to further select the direct communication to be used for the proximity service according to the usage of the carrier in the predetermined carrier set by other user equipments other than the first user equipment served by the serving base station. Carrier.
- an optional carrier list which may include all component carriers that the group of user equipment can use for direct communication of the proximity service, and the component carriers may be, for example, Including the base station assignable, in addition to the group User equipment that performs direct communication with the proximity service is using all component carriers except the component carrier.
- the purpose of selecting a component carrier according to the case where the component carrier is used is to use the component carrier with the smallest possible interference for the proximity service direct communication.
- a particular carrier may include one or more of the following:
- the number of user equipments currently using a particular carrier for cellular communication may be preferentially selected to reduce interference between proximity service direct communication and cellular communication;
- the number of user equipments currently using a specific carrier for direct communication of the proximity service for example, the smaller number of carriers can be preferentially selected to reduce interference between the direct communication links of the proximity services;
- the coverage of a specific carrier for example, a component carrier with a small coverage (ie, a carrier with a higher frequency) may be selected;
- the total length of time that a particular carrier is used in the history for example, the carrier with the smallest total duration used.
- FIG. 10 shows a signaling flow diagram in the case where a base station selects a carrier for proximity service direct communication among a predetermined set of carriers.
- step 1 UE2 requests the base station to perform direct communication with the UE1 for proximity service;
- step 2 the base station determines a reconfiguration manner of carrier aggregation, for example, determining to add a new component carrier to UE1;
- step 3 the base station selects a carrier for direct communication of the proximity service from the predetermined set of carriers;
- step 4 the base station sends RRC connection reconfiguration signaling to UE1 and UE2;
- step 5 UE1 and UE2 send an RRC connection reconfiguration response to the base station;
- step 6 the base station allocates resource blocks in the selected carrier to UE1 and UE2, for example, through the PDCCH;
- UE1 and UE2 perform direct communication of proximity services.
- reference signals may be measured based on carrier measurements in a set of carriers No. Received Power (RSRP) to select the carrier for direct communication of the proximity service.
- RSRP Received Power
- FIG. 2 shows a configuration example of an electronic device for wireless communication according to the present embodiment.
- the electronic device 200 includes one or more processors 210, and the processor 210 includes a determining unit 211, an access unit 213, and a selecting unit 215.
- the determination unit 211 is similar in configuration to the first determination unit 111 explained with reference to FIG. 1, and the access unit 213 and the selection unit 215 correspond to the second determination unit 113 explained with reference to FIG.
- the access unit 213 is configured to access a measurement of the reference signal received power for at least a portion of the carriers in the set of carriers.
- the selection unit 215 is configured to select a carrier to be used for proximity service direct communication according to the measurement result, wherein the reference signal is preferentially selected to receive a carrier with low power.
- a carrier with a low measured value can be selected because the radio link quality on the carrier between the UE and the base station is measured, but the purpose of the selection is to use Direct communication between the UE and the UE, so the corresponding measurement value of the UE around the carrier with low measured value is also low, and the lower probability is selected for the carrier of the cellular communication, so that it is more suitable for inter-UE with lower interference. Direct communication.
- the access of the access unit 213 to the measurement results may include accessing historical measurements of reference signal received power for different carriers.
- the measurement result may be obtained, for example, by accessing historical data stored by itself, or the historical measurement result for the corresponding carrier may be reported by the user equipment.
- the measurement result may be obtained, for example, by accessing historical data stored at its serving base station, or may access its own stored historical measurement results.
- the access of the access unit 213 to the measurement result may also include accessing the user equipment's real-time measurement of the predetermined carrier.
- the electronic device 200 in the case where the electronic device 200 operates as a base station, it can notify the user equipment of a candidate carrier used for direct communication of the proximity service (as will be described later with reference to FIG. 3), in other words, the user equipment is dedicated. The configuration is measured and the result of RSRP measurement of the candidate carrier by the user equipment is obtained.
- a carrier for direct communication of the proximity service may be selected according to the measurement result of the candidate carrier.
- carriers for proximity service direct communication may not be selected based on measurements of all candidate carriers.
- the selection unit 213 may be configured to receive the measurement result from the case where the measurement results of all the carriers in the candidate carrier are not obtained within the predetermined time period.
- the wave selects the carrier to be used for direct communication with the proximity service.
- the selection unit 213 may be configured to select a respective carrier as a carrier to be used for proximity service direct communication in the case where a conditional detection result such as below a predetermined threshold is obtained.
- the selection unit 213 may be configured to select a respective carrier as a carrier to be used for proximity service direct communication in a case where a detection result that is continuously lower than a predetermined threshold for a predetermined period of time is obtained.
- the efficiency of detection and selection of candidate carriers can be further improved.
- the base station generates a selectable carrier list for each group of user equipments that are to perform direct communication with the proximity service, and the list may include all carriers of the group of user equipments that are available for direct communication of the proximity service.
- the base station can sort the available carriers according to the usage of each carrier. For example, a direct communication user pair for a proximity service composed of UE1 and UE2:
- CC5, CC6... are sequentially incremented.
- the user equipment stops measuring and reports the result of the completed measurement.
- the base station may, for example, transmit the list of selectable carriers to the user equipment through RRCConnectionReconfiguration signaling.
- the user equipment After receiving the optional carrier list, the user equipment starts to measure the RSRP of each carrier in order. For example, the RSRP of CC5-CCn is measured within the timer time range, as shown in Table 4.
- Optional carrier list RSRP CC 5 RSRP 5 CC 6 RSRP 6 ......... ......... CC n RSRP n
- the user equipment can directly report the measurement result to the base station, and the base station selects a carrier for direct communication of the proximity service.
- the user equipment may select a carrier for direct communication of the proximity service, such as CC6, according to the result, and report the selection result to the base station.
- the eNB After receiving the information of UE2, the eNB configures CC6 to UE1 and UE2 as carriers for direct communication of the proximity service through RRC Connection reconfiguration.
- a measurement event can be defined in which the RSRP of the measured carrier is below a certain threshold, which can be predefined.
- the UE may sequentially measure the carriers according to the priority of the carriers in the selectable carrier list. And can define the following conditions:
- Mr is the RSRP measurement result of the current carrier.
- the UE may set a trigger time for the current carrier, and continuously measure the RSRP of the current carrier within the trigger time.
- the UE also maintains measurements on other CCs as the UE continuously measures the current carrier.
- the UE stops measuring and reports the current carrier as a carrier for direct communication of the proximity service.
- step 1 UE2 requests the base station to perform direct communication with the UE1 for proximity service;
- step 2 the base station determines a reconfiguration manner of carrier aggregation, for example, adding a new one to UE1.
- Component carrier
- step 3 the base station generates an optional carrier list
- step 4 the base station sends an optional carrier list to UE1;
- UE1 measures RSRP for carriers in the selectable carrier list and selects a carrier for direct communication of the proximity service
- step 6 UE1 sends the selected carrier information to the base station
- step 7 the base station sends RRC connection reconfiguration signaling to UE1 and UE2;
- step 8 UE1 and UE2 send an RRC connection reconfiguration response to the base station;
- step 9 the base station allocates resource blocks in the selected carrier to UE1 and UE2, for example, through a PDCCH;
- UE1 and UE2 perform proximity service direct communication.
- the electronic device 300 includes one or more processors 310, and the processor 310 includes a first determining unit 311, a second determining unit 313, and a generating unit 315.
- the configuration of the first determining unit 311 and the second determining unit 313 may be similar to the first determining unit 111 and the second determining unit 113 previously explained with reference to FIG.
- the second determining unit 313 may correspond to the access unit 213 and the selecting unit 215 described above with reference to FIG.
- the generating unit 315 is configured to generate indication information for a carrier of a candidate carrier serving as a proximity service direct communication in the carrier set.
- the sl-CommConfig in the RRCConnectionReconfiguration message may contain a specified or candidate carrier indication.
- the indication information for the candidate carriers may also contain information about the prioritization of the candidate carriers.
- the ordering of the candidate carriers in the candidate carrier list may correspond to the priority of the candidate carriers, or the indication information of the candidate carriers may include information indicating the priority of the corresponding candidate carriers.
- the electronic device 300 may further include a transceiver 320, according to an embodiment.
- the transceiver device 320 may be configured to transmit the indication information for the candidate carrier to at least the user equipment for which the proximity service direct communication is to be performed.
- the transceiver 320 may be configured to transmit for candidate by RRC signaling Wave indications.
- the set of carriers may comprise a fixed set of carriers dedicated to direct communication with the proximity service.
- a dedicated carrier-level resource pool can be set up for proximity service direct communication.
- For each carrier in the set there may be a corresponding unique resource configuration, such as a control transmission cyclic prefix length of the secondary link on the carrier, a control transmission period of the secondary link, and a specific time of control transmission of the secondary link.
- the carriers in the carrier set are used for direct communication of the proximity service in the case of carrier aggregation, which can be further divided into two types: static carrier set and dynamic carrier set.
- the carriers in the static carrier set are fixed and are generally narrowband carriers, which are only set for direct communication for proximity services and are not available for cellular communication; the carriers in the dynamic carrier set can be updated but can be set to keep the number It is unchanged and can be used for both proximity service direct communication and cellular communication.
- carrier set type 0 indicates static and 1 indicates dynamic
- the carrier ID is the number of the carrier in the carrier set
- the carrier for example, CC1, CC3, etc. in the table indicates the frequency range of each carrier in the carrier set.
- the carriers in the dynamic carrier set may be ordered according to priorities, for example, the carrier ordering priority is lower as the number of times of multiplexing is smaller.
- the static carrier set can be broadcast, for example, in the SIB, and the dynamic carrier set can be configured, for example, by RRC signaling.
- the base station can reserve M fixed carriers (M can be configured according to actual conditions), and the carriers are only used for direct communication by neighboring services.
- the static carrier set is as shown in Table 6, for example.
- the carrier column in the above table can be removed. Accordingly, only the carrier ID can be broadcast in the broadcast information about the static carrier set, so that the load of the broadcast information can be reduced.
- the user equipment when the user equipment initially configures the static proximity service direct communication carrier set, multiple sets of different static carrier sets may be configured, and the user equipment may select which static carrier set to use.
- a set of carriers dedicated to proximity service direct communication may also be set according to a secondary cell (SCell) coverage.
- the set of carriers includes sets of fixed carriers dedicated to direct communication of proximity services, where each set of carriers is used for direct communication of proximity services within a particular range.
- a static proximity service direct communication carrier set is set based on a certain coverage of the Scell, and a corresponding static carrier set is configured in each coverage area, and each static carrier set can be used as a packet of the initial configuration static carrier set.
- the proximity service direct communication carrier set corresponding to the Scell of the coverage area shall include CCs in each Scell that do not overlap.
- FIG. 13 The case shown in FIG. 13 will be described below as an example. As shown in Figure 13, CC1 is fully covered, and CC2, CC3, and CC4 have different coverage areas. UE1 and UE2 are in the coverage of CC2, UE3 is in the coverage of CC3, and UE4 is in the coverage of CC4. In this case, Set multiple carrier sets according to coverage as follows:
- the carriers in the corresponding static carrier set are: CC 3, CC 4
- the carriers in the corresponding static carrier set are: CC 2, CC 4
- the carriers in the corresponding static carrier set are: CC 2, CC 3
- the static carrier set information sent by the base station to all UEs through the SIB may be as shown in Table 7 below:
- the UE After receiving the packet pool information in the form of a packet, the UE first considers which carrier set to select, and then selects which carrier in the carrier set.
- an example manner in which a UE selects a carrier set is to randomly select one carrier set from an existing carrier set, and compare the carrier in the set with a carrier that is being used for cellular communication. If not, the priority is used.
- the set of carriers if identical, randomly selects a set of carriers from one or more sets of carriers containing the same carrier.
- An example manner in which a UE selects a carrier from a carrier combination may include random selection, or the UE may detect a center frequency point of each carrier and select one with the smallest received signal strength.
- the base station Before the base station configures the dynamic carrier set to the UE, the base station may select the M least multiplexed carriers to form a carrier set according to the multiplexing condition of the current reserved carrier, where the carrier can be directly used by the cellular communication and the proximity service. .
- CC6 and CC7 are dynamic carrier sets as shown in Table 8 below.
- step 1 the base station broadcasts a static carrier set, for example, by using an SIB, and the UE may store carrier set information.
- step 2 the user equipment requests direct communication of the proximity service
- step 3 the base station sends carrier set type information to the user equipment to indicate which carrier set is used by the user equipment, and the indication information is, for example, 1 bit;
- process 4 is performed, and the base station notifies the user equipment of the dynamic carrier set structure;
- step 4 can be skipped directly to step 5, and the carrier device selects a carrier for direct communication of the proximity service;
- step 6 the user equipment notifies the base station of the selected carrier
- step 7 the base station sends RRC connection reconfiguration signaling to UE1 and UE2;
- step 8 UE1 and UE2 send an RRC connection reconfiguration response to the base station;
- step 9 the base station allocates resource blocks in the selected carrier to UE1 and UE2, for example, through a PDCCH;
- UE1 and UE2 perform proximity service direct communication.
- an electronic device for wireless communication can operate as a base station.
- a configuration example of an electronic device according to this embodiment will be described with reference to FIG.
- the electronic device 400 includes one or more processors 410 and a transceiver 420.
- the processor 410 includes a first determining unit 411 and a second determining unit 413, which are similar to the configurations of the first determining unit and the second determining unit described above, respectively.
- Transceiver 420 is configured to transmit indication information for a set of carriers.
- the set of carriers may include a set of carriers dedicated to proximity service direct communication as previously described with reference to the specific embodiments, such as static State carrier set or dynamic carrier set.
- the transceiver 420 can broadcast the indication information, and can also send the indication information in the RRC signaling.
- the transceiver 420 can be configured, for example, to broadcast indication information for the set of carriers through a system information block.
- SystemInformationBlockType18 can be sent on the Broadcast Control Channel (BCCH).
- BCCH Broadcast Control Channel
- an electronic device for wireless communication in accordance with some embodiments of the present invention may operate as a user device.
- a configuration example of an electronic device according to these embodiments will be described with reference to FIGS. 5 to 7.
- an electronic device 500 for wireless communication in accordance with one embodiment includes one or more processors 510 and a transceiver 520.
- the processor 510 includes a first determining unit 511 and a second determining unit 513, which are similar to the configurations of the first determining unit and the second determining unit described above, respectively.
- Transceiver 520 is configured to receive indication information from a base station for a candidate carrier for direct communication as a proximity service.
- an electronic device 600 for wireless communication in accordance with another embodiment includes one or more processors 610 and a transceiver 620.
- the processor 610 includes a first determining unit 611, a second determining unit 613, and a control unit 615.
- the first determining unit 611 is similar to the configuration of the first determining unit described above.
- the transceiver 620 is similar in configuration to the transceiver 520 previously described with reference to FIG.
- Control unit 615 is configured to control the measurement of reference signal received power for the candidate carrier.
- the second determining unit 613 is configured to select a carrier to be used for proximity service direct communication according to the measurement result of the reference signal received power, wherein the reference signal is preferentially selected to receive the carrier with low power.
- the second determining unit 613 is configured to: select, from the carrier that has obtained the measurement result, to be used for the proximity service if the measurement result of the carrier in the candidate carrier is not obtained within the predetermined time period Carrier for direct communication.
- the second determining unit 613 is configured to select a corresponding carrier as a carrier to be used for proximity service direct communication in a case where a detection result that satisfies a condition, for example, below a predetermined threshold, is obtained.
- the second determining unit 613 is configured to select a corresponding carrier as a carrier to be used for proximity service direct communication in a case where a detection result that is continuously lower than a predetermined threshold for a predetermined period of time is obtained.
- an electronic device 700 for wireless communication in accordance with another embodiment includes one or more processors 710 and a transceiver 720.
- the processor 710 includes a first determining unit 711, a second determining unit 713, a control unit 715, and a generating unit 717.
- the first determining unit 711 is similar to the configuration of the first determining unit described above.
- Control unit 715 is configured to control the measurement of reference signal received power for the candidate carrier.
- the generating unit 717 is configured to generate indication information for the measurement result of the reference signal received power of the candidate carrier.
- the transceiver 720 is similar in configuration to the transceiver 520 previously described with reference to FIG. 5, and in addition, the transceiver 720 is further configured to transmit indication information of the measurement results.
- a wireless communication method includes a step S810 of determining a current carrier aggregation state of the first user equipment in response to a proximity service direct communication requirement of the first user equipment. Moreover, the method further comprises the step S820 of determining a radio resource configuration of the first user equipment based on a carrier aggregation status of the first user equipment, wherein the radio resource configuration is for direct communication of the proximity service of the first user equipment.
- the steps of the wireless communication method according to the present embodiment may be performed by a base station, by a user equipment, or may be performed by a base station and a user equipment, respectively.
- FIG. 18 shows a configuration example of an apparatus for wireless communication according to an embodiment of the present invention.
- the apparatus 1800 according to the present embodiment includes a first determining means 1810 and a second determining means 1820.
- the first determining device 1810 is configured to determine a current carrier aggregation status of the first user equipment in response to a proximity service direct communication requirement of the first user equipment.
- the second determining means 1820 is configured to determine a radio resource configuration of the first user equipment based on a carrier aggregation status of the first user equipment, wherein the radio resource configuration is for direct communication of the proximity service of the first user equipment.
- Device 1800 can be implemented as a base station and user equipment.
- the various steps of the above methods, as well as the various constituent modules and/or units of the above-described apparatus may be implemented as software, firmware, hardware or a combination thereof.
- a program constituting software for implementing the above method may be installed from a storage medium or a network to a computer having a dedicated hardware structure (for example, the general-purpose computer 1500 shown in FIG. 15), which is installed.
- a dedicated hardware structure for example, the general-purpose computer 1500 shown in FIG. 15
- an arithmetic processing unit (i.e., CPU) 1501 executes various processes in accordance with a program stored in a read only memory (ROM) 1502 or a program loaded from a storage portion 1508 to a random access memory (RAM) 1503.
- ROM read only memory
- RAM random access memory
- data required when the CPU 1501 executes various processes and the like is also stored as needed.
- the CPU 1501, the ROM 1502, and the RAM 1503 are linked to each other via a bus 1504.
- Input/output interface 1505 is also linked to bus 1504.
- the following components are linked to an input/output interface 1505: an input portion 1506 (including a keyboard, a mouse, etc.), an output portion 1507 (including a display such as a cathode ray tube (CRT), a liquid crystal display (LCD), etc., and a speaker, etc.)
- the storage portion 1508 (including a hard disk or the like) and the communication portion 1509 (including a network interface card such as a LAN card, a modem, etc.).
- the communication section 1509 performs communication processing via a network such as the Internet.
- Driver 1510 can also be linked to input/output interface 1505 as needed.
- a removable medium 1511 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory or the like is mounted on the drive 1510 as needed, so that the computer program read therefrom is installed into the storage portion 1508 as needed.
- a program constituting the software is installed from a network such as the Internet or a storage medium such as the detachable medium 1511.
- such a storage medium is not limited to the detachable medium 1511 shown in FIG. 15 in which a program is stored and distributed separately from the device to provide a program to the user.
- Examples of the detachable medium 1511 include a magnetic disk (including a floppy disk (registered trademark)), an optical disk (including a compact disk read only memory (CD-ROM) and a digital versatile disk (DVD)), and a magneto-optical disk (including a mini disk (MD) (registered trademark) )) and semiconductor memory.
- the storage medium may be a ROM 1502, a hard disk included in the storage portion 1508, or the like, in which programs are stored, and distributed to the user together with the device containing them.
- Embodiments of the present invention also relate to a program product for storing a machine readable instruction code.
- the instruction code is read and executed by a machine, the above-described method according to an embodiment of the present invention can be performed.
- a storage medium for carrying a program product storing the above-described storage machine readable instruction code is also included in the disclosure of the present invention.
- the storage medium includes, but is not limited to, a floppy disk, an optical disk, a magneto-optical disk, a memory card, a memory stick, and the like.
- Embodiments of the present application also relate to the following electronic devices.
- the electronic device can be implemented as any type of evolved Node B (eNB), such as a macro eNB and a small eNB.
- the small eNB may be an eNB covering a cell smaller than the macro cell, such as a pico eNB, a micro eNB, and a home (femto) eNB.
- the electronic device can be implemented as any other type of base station, such as a NodeB and a base transceiver station (BTS).
- BTS base transceiver station
- the electronic device can include: configured A body (also referred to as a base station device) for controlling wireless communication; and one or more remote wireless heads (RRHs) disposed at a different location from the body.
- a body also referred to as a base station device
- RRHs remote wireless heads
- various types of terminals which will be described below, can operate as a base station by performing base station functions temporarily or semi-persistently.
- the electronic device can be implemented as a mobile terminal (such as a smart phone, a tablet personal computer (PC), a notebook PC, a portable game terminal, a portable/encrypted dog type mobile router, and a digital camera device) or Vehicle terminal (such as car navigation equipment).
- the electronic device may be a wireless communication module (such as an integrated circuit module including a single or a plurality of wafers) mounted on each of the above terminals.
- FIG. 16 is a block diagram showing an example of a schematic configuration of a smartphone 2500 to which the technology of the present disclosure can be applied.
- the smart phone 2500 includes a processor 2501, a memory 2502, a storage device 2503, an external connection interface 2504, an imaging device 2506, a sensor 2507, a microphone 2508, an input device 2509, a display device 2510, a speaker 2511, a wireless communication interface 2512, and one or more An antenna switch 2515, one or more antennas 2516, a bus 2517, a battery 2518, and an auxiliary controller 2519.
- the processor 2501 may be, for example, a CPU or a system on chip (SoC), and controls the functions of the application layer and the other layers of the smartphone 2500.
- the memory 2502 includes a RAM and a ROM, and stores data and programs executed by the processor 2501.
- the storage device 2503 may include a storage medium such as a semiconductor memory and a hard disk.
- the external connection interface 2504 is an interface for connecting an external device such as a memory card and a universal serial bus (USB) device to the smartphone 2500.
- USB universal serial bus
- the image pickup device 2506 includes an image sensor such as a charge coupled device (CCD) and a complementary metal oxide semiconductor (CMOS), and generates a captured image.
- Sensor 2507 can include a set of sensors, such as a measurement sensor, a gyro sensor, a geomagnetic sensor, and an acceleration sensor.
- the microphone 2508 converts the sound input to the smartphone 2500 into an audio signal.
- the input device 2509 includes, for example, a touch sensor, a keypad, a keyboard, a button, or a switch configured to detect a touch on the screen of the display device 2510, and receives an operation or information input from a user.
- the display device 2510 includes screens such as a liquid crystal display (LCD) and an organic light emitting diode (OLED) display, and displays an output image of the smartphone 2500.
- the speaker 2511 converts the audio signal output from the smartphone 2500 into a sound.
- the wireless communication interface 2512 supports any cellular communication scheme (such as LTE and LTE-Advanced) and performs wireless communication.
- Wireless communication interface 2512 may typically include, for example, BB processor 2513 and RF circuitry 2514.
- the BB processor 2513 can perform, for example, encoding/decoding, modulation/demodulation, and multiplexing/demultiplexing, and performs various types of signal processing for wireless communication.
- the way 2514 can include, for example, a mixer, a filter, and an amplifier, and transmits and receives wireless signals via the antenna 2516.
- the wireless communication interface 2512 can be a chip module on which the BB processor 2513 and the RF circuit 2514 are integrated. As shown in FIG.
- the wireless communication interface 2512 can include a plurality of BB processors 2513 and a plurality of RF circuits 2514.
- FIG. 16 illustrates an example in which the wireless communication interface 2512 includes a plurality of BB processors 2513 and a plurality of RF circuits 2514, the wireless communication interface 2512 may also include a single BB processor 2513 or a single RF circuit 2514.
- wireless communication interface 2512 can support additional types of wireless communication schemes, such as short-range wireless communication schemes, near field communication schemes, and wireless local area network (LAN) schemes.
- the wireless communication interface 2512 can include a BB processor 2513 and RF circuitry 2514 for each wireless communication scheme.
- Each of the antenna switches 2515 switches the connection destination of the antenna 2516 between a plurality of circuits included in the wireless communication interface 2512, such as circuits for different wireless communication schemes.
- Each of the antennas 2516 includes a single or multiple antenna elements (such as multiple antenna elements included in a MIMO antenna) and is used by the wireless communication interface 2512 to transmit and receive wireless signals.
- smart phone 2500 can include multiple antennas 2516.
- FIG. 16 shows an example in which the smartphone 2500 includes a plurality of antennas 2516, the smartphone 2500 may also include a single antenna 2516.
- smart phone 2500 can include an antenna 2516 for each wireless communication scheme.
- the antenna switch 2515 can be omitted from the configuration of the smartphone 2500.
- the bus 2517 has a processor 2501, a memory 2502, a storage device 2503, an external connection interface 2504, an imaging device 2506, a sensor 2507, a microphone 2508, an input device 2509, a display device 2510, a speaker 2511, a wireless communication interface 2512, and an auxiliary controller 2519. connection.
- Battery 2518 provides power to various blocks of smart phone 2500 shown in FIG. 16 via feeders, which are partially shown as dashed lines in the figure.
- the secondary controller 2519 operates the minimum required function of the smartphone 2500, for example, in a sleep mode.
- the transceiver device described by using FIGS. 3 through 7 can be implemented by the wireless communication interface 2512.
- At least a portion of the functions of the various units described with reference to Figures 1 through 7 may also be implemented by processor 2501 or auxiliary controller 2519.
- the power consumption of the battery 2518 can be reduced by performing a portion of the functions of the processor 2501 by the auxiliary controller 2519.
- the processor 2501 or the auxiliary controller 2519 can perform at least a part of the functions of the units described with reference to FIGS. 1 through 7 by executing the program stored in the memory 2502 or the storage device 2503.
- FIG. 17 is an example of a schematic configuration of an eNB showing a technique to which the present disclosure can be applied.
- the eNB 2300 includes one or more antennas 2310 and base station devices 2320.
- Base station setting
- the spare 2320 and each antenna 2310 may be connected to each other via an RF (Radio Frequency) cable.
- RF Radio Frequency
- Each of the antennas 2310 includes a single or multiple antenna elements, such as multiple antenna elements included in a multiple input multiple output (MIMO) antenna, and is used by the base station device 2320 to transmit and receive wireless signals.
- the eNB 2300 may include a plurality of antennas 2310.
- multiple antennas 2310 can be compatible with multiple frequency bands used by eNB 2300.
- FIG. 17 illustrates an example in which the eNB 2300 includes a plurality of antennas 2310, the eNB 2300 may also include a single antenna 2310.
- the base station device 2320 includes a controller 2321, a memory 2322, a network interface 2323, and a wireless communication interface 2325.
- the controller 2321 can be, for example, a CPU or a DSP, and operates various functions of higher layers of the base station device 2320. For example, controller 2321 generates data packets based on data in signals processed by wireless communication interface 2325 and delivers the generated packets via network interface 2323. The controller 2321 can bundle data from a plurality of baseband processors to generate bundled packets and deliver the generated bundled packets. The controller 2321 may have a logical function that performs control such as radio resource control, radio bearer control, mobility management, admission control, and scheduling. This control can be performed in conjunction with nearby eNBs or core network nodes.
- the memory 2322 includes a RAM and a ROM, and stores programs executed by the controller 2321 and various types of control data such as a terminal list, transmission power data, and scheduling data.
- the network interface 2323 is a communication interface for connecting the base station device 2320 to the core network 2324. Controller 2321 can communicate with a core network node or another eNB via network interface 2323. In this case, the eNB 2300 and the core network node or other eNBs may be connected to each other through a logical interface such as an S1 interface and an X2 interface.
- the network interface 2323 can also be a wired communication interface or a wireless communication interface for wireless backhaul lines. If the network interface 2323 is a wireless communication interface, the network interface 2323 can use a higher frequency band for wireless communication than the frequency band used by the wireless communication interface 2325.
- the wireless communication interface 2325 supports any cellular communication schemes, such as Long Term Evolution (LTE) and LTE-Advanced, and provides wireless connectivity to terminals located in cells of the eNB 2300 via the antenna 2310.
- Wireless communication interface 2325 can typically include, for example, a baseband (BB) processor 2326 and RF circuitry 2327.
- the BB processor 2326 can perform, for example, encoding/decoding, modulation/demodulation, and multiplexing/demultiplexing, and performs layers (eg, L1, Medium Access Control (MAC), Radio Link Control (RLC), and Packet Data Convergence Protocol (PDCP)) Various types of signal processing.
- BB processor 2326 may have some or all of the above described logic functions.
- the processor 2326 can be a memory that stores a communication control program or a module that includes a processor and associated circuitry configured to execute the program.
- the update program can cause the functionality of the BB processor 2326 to change.
- the module can be a card or blade that is inserted into the slot of the base station device 2320. Alternatively, the module can also be a chip mounted on a card or blade.
- the RF circuit 2327 may include, for example, a mixer, a filter, and an amplifier, and transmits and receives a wireless signal via the antenna 2310.
- the wireless communication interface 2325 can include a plurality of BB processors 2326.
- multiple BB processors 2326 can be compatible with multiple frequency bands used by eNB 2300.
- the wireless communication interface 2325 can include a plurality of RF circuits 2327.
- multiple RF circuits 2327 can be compatible with multiple antenna elements.
- FIG. 17 shows an example in which the wireless communication interface 2325 includes a plurality of BB processors 2326 and a plurality of RF circuits 2327, the wireless communication interface 2325 may also include a single BB processor 2326 or a single RF circuit 2327.
- the transceiver device described by using FIGS. 3 and 4 can be implemented by the wireless communication interface 2325.
- At least a portion of the functions of the units described with reference to FIGS. 1 through 4 may also be provided by the controller 2321.
- the controller 2321 can perform at least a part of the functions of the units described with reference to FIGS. 1 through 4 by executing a program stored in the memory 2322.
- the method of the present invention is not limited to being performed in the chronological order described in the specification, and may be performed in other chronological order, in parallel, or independently. Therefore, the order of execution of the methods described in the present specification does not limit the technical scope of the present invention.
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Abstract
Description
C7 | C6 | C5 | C4 | C3 | C2 | C1 | 1 |
Indicator | 0/1 | 0/1 | 0/1 | NULL | NULL | NULL | NULL |
可选载波列表 |
CC 5 |
CC 6 |
……… |
CC n |
可选载波列表 | RSRP |
CC 5 | RSRP 5 |
CC 6 | RSRP 6 |
……… | ……… |
CC n | RSRP n |
Claims (30)
- 一种用于无线通信的电子设备,包括:一个或更多个处理器,被配置成响应于第一用户设备的邻近服务直接通信需求,确定该第一用户设备当前的载波聚合状态;以及基于所述第一用户设备的载波聚合状态,确定该第一用户设备的无线电资源配置,其中,所述无线电资源配置用于该第一用户设备的邻近服务直接通信。
- 根据权利要求1所述的电子设备,其中,基于所确定的载波聚合状态以及该第一用户设备的设备能力,确定是否对当前载波聚合进行重新配置以使能邻近服务直接通信,其中,所述载波聚合状态包括聚合的分量载波数量。
- 根据权利要求2所述的电子设备,其中,对当前载波聚合的重新配置包括以下至少之一:释放至少一个聚合的分量载波;以及将聚合的分量载波中之一配置用于邻近服务直接通信。
- 根据权利要求2所述的电子设备,其中,所述一个或多个处理器还被配置为从预定的载波集合中确定用于所述第一用户设备执行邻近服务直接通信的载波。
- 根据权利要求3所述的电子设备,其中,所述一个或更多个处理器被配置成:优先选择所述聚合的分量载波中信道质量低的或者未被激活的分量载波进行释放或者作为用于邻近服务直接通信的载波。
- 根据权利要求3所述的电子设备,其中,所述一个或更多个处理器 被配置成:在要与所述第一用户设备进行邻近服务直接通信的第二用户设备正在使用与所述聚合的分量载波之一相同的载波的情况下,将该相同的载波选择为用于所述第二用户设备与所述第一用户设备间的邻近服务直接通信的载波。
- 根据权利要求4所述的电子设备,其中,所述一个或更多个处理器被配置成:在所述第一用户设备所使用的聚合的分量载波的数量未达到预定数量的情况下,从所述载波集合中选择要用于邻近服务直接通信的载波,其中,所述载波集合包括所述第一用户设备的服务基站能够调度的且未被所述第一用户设备以及要与所述第一用户设备进行邻近服务直接通信的第二用户设备使用的多个载波。
- 根据权利要求7所述的电子设备,其中,所述一个或更多个处理器被配置成:还根据所述服务基站服务的除所述第一用户设备之外的其他用户设备对所述载波集合中的载波的使用情况来选择要用于所述邻近服务直接通信的载波。
- 根据权利要求8所述的电子设备,其中,特定载波的所述使用情况包括以下方面中的一项或更多项:当前正在使用所述特定载波进行蜂窝通信的用户设备的数量;当前正在使用所述特定载波进行邻近服务直接通信的用户设备的数量;所述特定载波的覆盖范围;所述特定载波在历史记录中被使用的频繁程度;以及所述特定载波在历史记录中被使用的总时长。
- 根据权利要求7所述的电子设备,其中,所述一个或更多个处理器被配置成:访问针对所述载波集合中的至少一部分载波的参考信号接收功率的测量结果;以及根据所述测量结果来选择要用于所述邻近服务直接通信的载波,其中优先选择参考信号接收功率低的载波。
- 根据权利要求7所述的电子设备,其中,所述一个或更多个处理器被配置成:生成针对所述载波集合中的用作所述邻近服务直接通信的候选载波的载波的指示信息。
- 根据权利要求11所述的电子设备,其中,针对所述候选载波的指示信息包含关于所述候选载波的优先级排序的信息。
- 根据权利要求11所述的电子设备,还包括:收发装置,被配置为将针对所述候选载波的指示信息至少发送给所述第一用户设备。
- 根据权利要求13所述的电子设备,其中,所述收发装置被配置为通过无线资源控制信令发送针对所述候选载波的指示信息。
- 根据权利要求10所述的电子设备,其中,所述一个或更多个处理器被配置成:当在预定时间段内未获得所述至少一部分载波中的所有载波的所述测量结果的情况下,从已获得所述测量结果的载波中选择要用于所述邻近服务直接通信的载波。
- 根据权利要求10所述的电子设备,其中,所述一个或更多个处理器被配置成:当获得了低于预定阈值的所述检测结果的情况下,将相应载波选择为要用于所述邻近服务直接通信的载波。
- 根据权利要求10所述的电子设备,其中,所述一个或更多个处理器被配置成:当获得了在预定时段内持续地低于预定阈值的所述检测结果的情况下,将相应载波选择为要用于所述邻近服务直接通信的载波。
- 根据权利要求4所述的电子设备,其中,所述载波集合包括专用于邻近服务直接通信的一组固定的载波。
- 根据权利要求4所述的电子设备,其中,所述载波集合包括专用于邻近服务直接通信的多组固定的载波,其中每组载波用于特定范围内的邻近服务直接通信。
- 根据权利要求4所述的电子设备,还包括:收发装置,被配置为发送针对所述载波集合的指示信息。
- 根据权利要求20所述的电子设备,其中,所述收发装置被配置为通过***信息块广播针对所述载波集合的指示信息。
- 根据权利要求1至21中任一项所述的电子设备,其中,所述电子设备工作为所述第一用户设备的服务基站。
- 根据权利要求1至6中任一项所述的电子设备,其中,所述电子设备工作为所述第一用户设备。
- 根据权利要求23所述的电子设备,还包括:收发装置,被配置为接收来自基站的针对用作所述邻近服务直接通信的候选载波的指示信息。
- 根据权利要求24所述的电子设备,其中,所述一个或更多个处理器还被配置成:控制针对所述候选载波的参考信号接收功率的测量;以及根据所述参考信号接收功率的测量结果来选择要用于所述邻近服务 直接通信的载波,其中优先选择参考信号接收功率低的载波。
- 根据权利要求25所述的电子设备,其中,所述一个或更多个处理器被配置成:当在预定时间段内未获得所述候选载波中的所有载波的所述测量结果的情况下,从已获得所述测量结果的载波中选择要用于所述邻近服务直接通信的载波。
- 根据权利要求25所述的电子设备,其中,所述一个或更多个处理器被配置成:当获得了低于预定阈值的所述检测结果的情况下,将相应载波选择为要用于所述邻近服务直接通信的载波。
- 根据权利要求25所述的电子设备,其中,所述一个或更多个处理器被配置成:当获得了在预定时段内持续地低于预定阈值的所述检测结果的情况下,将相应载波选择为要用于所述邻近服务直接通信的载波。
- 根据权利要求24所述的电子设备,其中,所述一个或更多个处理器还被配置成:控制针对所述候选载波的参考信号接收功率的测量;以及生成针对所述候选载波的参考信号接收功率的测量结果的指示信息。
- 一种无线通信方法,包括:响应于第一用户设备的邻近服务直接通信需求,确定该第一用户设备当前的载波聚合状态;以及基于所述第一用户设备的载波聚合状态,确定该第一用户设备的无线电资源配置,其中,所述无线电资源配置用于该第一用户设备的邻近服务直接通信。
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US10638530B2 (en) | 2020-04-28 |
US20180192459A1 (en) | 2018-07-05 |
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CN114269016A (zh) | 2022-04-01 |
JP6947159B2 (ja) | 2021-10-13 |
CN106376082A (zh) | 2017-02-01 |
CN114269017A (zh) | 2022-04-01 |
CN106376082B (zh) | 2021-12-28 |
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