WO2015109467A1 - Appareil de coordination de ressources de fréquence, procédé, dispositif et système - Google Patents

Appareil de coordination de ressources de fréquence, procédé, dispositif et système Download PDF

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Publication number
WO2015109467A1
WO2015109467A1 PCT/CN2014/071188 CN2014071188W WO2015109467A1 WO 2015109467 A1 WO2015109467 A1 WO 2015109467A1 CN 2014071188 W CN2014071188 W CN 2014071188W WO 2015109467 A1 WO2015109467 A1 WO 2015109467A1
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WIPO (PCT)
Prior art keywords
frequency resource
time period
unlicensed frequency
unlicensed
coordination device
Prior art date
Application number
PCT/CN2014/071188
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English (en)
Chinese (zh)
Inventor
胡振兴
李秉肇
权威
杨晓东
张戬
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201480000335.1A priority Critical patent/CN105103608B/zh
Priority to PCT/CN2014/071188 priority patent/WO2015109467A1/fr
Publication of WO2015109467A1 publication Critical patent/WO2015109467A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference

Definitions

  • Frequency resource coordination device method, device and system
  • the present invention relates to the field of communications technologies, and in particular, to a frequency resource coordination apparatus, method, device and system.
  • Frequency resources are the basis of wireless communications.
  • WiFi Wireless Fidelity
  • WiFi has drawbacks in terms of mobility, security, Quality of Service (QoS), and simultaneous handling of multi-user scheduling. Therefore, the application of Long-term Evolution (LTE) equipment to unlicensed frequency resources can not only effectively utilize unlicensed frequency resources, but also provide more efficient wireless access and meet the growing mobile broadband services. demand.
  • LTE Long-term Evolution
  • One of the feasible solutions for the LTE base station device to use the unlicensed frequency resource is to configure the unlicensed frequency resource as the secondary cell (Scell) of the LTE user equipment (UE) to the UE, so that the LTE base station can utilize the unauthorized The frequency resource and the UE perform data communication.
  • Scell secondary cell
  • UE LTE user equipment
  • the embodiment of the invention provides a frequency resource coordination device, which can effectively coordinate unlicensed frequency resources, avoid mutual conflict and interference, and improve utilization of unlicensed frequency resources.
  • Embodiments of the present invention also provide a method, device, and system for coordinating frequency resources.
  • a first aspect of the present invention provides a frequency resource coordination apparatus, including:
  • a determining unit configured to determine that an unlicensed frequency resource needs to be occupied
  • a coordination unit configured to coordinate, according to a preset policy, with other frequency resource coordination devices that jointly use the unlicensed frequency resource to determine a time period for using the unlicensed frequency resource, when the determining unit determines that the unlicensed frequency resource needs to be occupied ;
  • a second aspect of the present invention provides a central control device, including:
  • a receiving unit configured to receive a resource allocation request message sent by the frequency coordination device, where the frequency resource allocation request message carries a second time period identifier that is expected to use the unlicensed frequency resource, and a determining unit, configured to be used according to the receiving unit Receiving, by the resource allocation request message, a state of the unlicensed frequency resource in a time period in which the second undesired frequency resource is expected to be used; and a sending unit, configured to: when the determining unit determines the unauthorized And the frequency resource sends an allocation response message to the frequency coordinating device, where the frequency response resource is used to indicate that the unlicensed frequency resource is in the a second period of time in which the unlicensed frequency resource is expected to be idle, so that the frequency coordination device determines the second time period in which the unlicensed frequency resource is expected to be used as the use of the unlicensed frequency resource Time period.
  • a third aspect of the present invention provides an access device, including: an input device, an output device, a processor, and a memory;
  • the processor is configured to perform the following steps:
  • the output device is configured to use the unlicensed frequency resource to transmit data in the determining period of using the unlicensed frequency resource.
  • a fourth aspect of the present invention provides a central control apparatus, including: an input device, an output device, a processor, and a memory;
  • the input device is configured to receive a resource allocation request message sent by the frequency coordination device, where the frequency resource allocation request message carries a second time period identifier that is expected to use the unlicensed frequency resource, where the processor is configured to determine the a state of the unlicensed frequency resource within a time period in which the unlicensed frequency resource is expected to be used;
  • the output device is configured to send an allocation response message to the frequency coordinating device when the unlicensed frequency resource is idle within a time period in which the second undesired frequency resource is expected to be used, An allocation response message is used to indicate that the unlicensed frequency resource is idle during a period in which the second undesired frequency resource is expected to be used, so that the frequency coordinating device uses the second undesired frequency
  • the time period of the resource is determined as the time period in which the unlicensed frequency resource is used.
  • a fifth aspect of the present invention provides a method for coordinating frequency resources, including:
  • the data is transmitted using the unlicensed frequency resource during the time period in which the use of the unlicensed frequency resource is determined.
  • a sixth aspect of the present invention provides a method for coordinating frequency resources, including:
  • a seventh aspect of the present invention provides a frequency resource coordination system, including: at least one frequency resource coordination device and user equipment,
  • the frequency resource coordination device is configured to determine that the unlicensed frequency resource needs to be occupied, and when it is determined that the unlicensed frequency resource needs to be occupied, coordinate with other frequency resource coordination devices that jointly use the unlicensed frequency resource according to the preset policy to determine use. And the time period of the unlicensed frequency resource, in the period of determining to use the unlicensed frequency resource, using the unlicensed frequency resource to transmit data to the user equipment.
  • the frequency resource coordination device determining unit determines that the unlicensed frequency needs to be occupied. Rate resource; coordination unit, when the determining unit determines that the unlicensed frequency resource needs to be occupied, coordinate with other frequency resource coordination devices that jointly use the unlicensed frequency resource according to the preset policy to determine a time period for using the unlicensed frequency resource And transmitting, by the sending unit, the data by using the unlicensed frequency resource in a period of using the unlicensed frequency resource determined by the coordinating unit.
  • the frequency resource coordination device provided by the embodiment of the present invention can be used with other frequencies when the unlicensed frequency resource needs to be occupied, as compared with the use of the unlicensed frequency resource.
  • the resource coordination device coordinates to avoid conflicts and interference, thereby increasing the utilization of unlicensed frequency resources.
  • FIG. 1 is a schematic diagram of an embodiment of a frequency resource coordination apparatus according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of another embodiment of a frequency resource coordination apparatus according to an embodiment of the present invention.
  • FIG. 3 is a schematic diagram of another embodiment of a frequency resource coordination apparatus according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of another embodiment of a frequency resource coordination apparatus according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of an embodiment of a frequency resource process according to an embodiment of the present invention.
  • FIG. 6 is a schematic diagram of another embodiment of a frequency resource coordination apparatus according to an embodiment of the present invention.
  • FIG. 7 is a schematic diagram of another embodiment of a frequency resource process in an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of another embodiment of a frequency resource coordination apparatus according to an embodiment of the present invention.
  • FIG. 9 is a schematic diagram of another embodiment of a frequency resource coordination apparatus according to an embodiment of the present invention.
  • FIG. 10 is a schematic diagram of another embodiment of a frequency resource process in an embodiment of the present invention.
  • FIG. 11 is a schematic diagram of another embodiment of a frequency resource coordination apparatus according to an embodiment of the present invention.
  • FIG. 12 is a schematic diagram of another embodiment of a frequency resource coordination apparatus according to an embodiment of the present invention.
  • FIG. 13 is a schematic diagram of another embodiment of a frequency resource coordination apparatus according to an embodiment of the present invention.
  • FIG. 14 is a schematic diagram of another embodiment of a frequency resource process in an embodiment of the present invention.
  • 15 is a schematic diagram of an embodiment of a central control device according to an embodiment of the present invention
  • 16 is a schematic diagram of an embodiment of a central control device according to an embodiment of the present invention
  • FIG. 17 is a schematic diagram of another embodiment of a frequency resource process in an embodiment of the present invention.
  • FIG. 18 is a schematic diagram of an embodiment of a central control device according to an embodiment of the present invention.
  • FIG. 19 is a schematic diagram of an embodiment of a method for coordinating frequency resources according to an embodiment of the present invention
  • FIG. 20 is a schematic diagram of another embodiment of a method for coordinating frequency resources according to an embodiment of the present invention.
  • the embodiment of the invention provides a frequency resource coordination device, which can effectively coordinate unlicensed frequency resources, avoid mutual conflict and interference, and improve utilization of unlicensed frequency resources.
  • Embodiments of the present invention also provide a method, device, and system for coordinating frequency resources. The details are described below separately.
  • the frequency resource coordination device in the embodiment of the present invention may be a macro base station, a micro base station, and any other access point (AP, Access Point) device.
  • the unlicensed frequency resource may be a preset frequency resource, for example: 5-10M, 10-15M, and the like.
  • an embodiment of a frequency resource coordination apparatus 10 includes: a determining unit 101, configured to determine that an unlicensed frequency resource needs to be occupied;
  • the coordination unit 102 is configured to, when the determining unit 101 determines that the unlicensed frequency resource needs to be occupied, coordinate with other frequency resource coordination devices that jointly use the unlicensed frequency resource according to the preset policy to determine to use the unlicensed frequency resource. Time period; in the time period of the source, the data is transmitted using the unlicensed frequency resource.
  • the frequency resource coordination apparatus provided by the embodiment of the present invention, the determining unit 101 determines that the unlicensed frequency resource needs to be occupied, and the coordination unit 102, when the determining unit 101 determines that the unlicensed frequency resource needs to be occupied, presses Coordinating with a preset frequency policy and other frequency resource coordination devices that collectively use the unlicensed frequency resource to determine a time period in which the unlicensed frequency resource is used, the transmitting unit 103 determining the use in the coordination unit 102 In the time period of the unlicensed frequency resource, the unlicensed frequency resource is used to transmit data.
  • each of the receiving devices is free to use the unlicensed frequency resource, and the frequency resource coordination device provided by the embodiment of the present invention can be used with other frequencies when the unlicensed frequency resource needs to be occupied.
  • the resource coordination device coordinates to avoid conflicts and interference, thereby improving the utilization of unlicensed frequency resources.
  • the coordination unit 102 includes:
  • the first monitoring subunit 10210 is configured to monitor the unlicensed frequency resource
  • the first determining subunit 10211 is configured to: when the first listening subunit 10210 detects that the unlicensed frequency resource is not used for transmitting data in the first preset time period, the first preset time will be used. a second preset time period in which the segment end point starts counting is determined as the time period in which the unlicensed frequency resource is used;
  • the sending unit 103 is configured to use the unlicensed frequency resource to transmit data in the second preset time period determined by the first determining subunit 10211.
  • the first monitoring sub-unit 10210 is further configured to continue to monitor the unlicensed frequency resource; the first determining sub-unit 10211 is further configured to: when the unlicensed frequency resource is monitored, in a third preset time period When there is no data for transmission, a fourth preset time period that is timed from the end point of the third preset time period is determined as the time period in which the unlicensed frequency resource is used, and in the fourth pre- In the set time period, the data is transmitted by using the unlicensed frequency resource, and the amount of data transmitted in the fourth preset time period is greater than the amount of data transmitted in the second preset time period.
  • the apparatus 10 further includes:
  • the first starting unit 104 is configured to start a first timer when the first monitoring subunit 10210 starts to listen to the unlicensed frequency resource;
  • the first triggering unit 105 is configured to: when the first listening subunit 10210 detects that the unlicensed frequency resource is not used for transmitting data in the first preset time period or the third preset time period, Activating the first timer that is started by the first startup unit 104;
  • the obtaining unit 106 is configured to trigger, by the first trigger unit 105, to stop the first timer to acquire a timing length of the first timer;
  • the first adjusting unit 107 is configured to adjust the length of the second preset time period or the fourth preset time period according to the timer length of the first timer acquired by the acquiring unit 106.
  • the apparatus 10 further includes:
  • the second initiating unit 108 is configured to start a second timer each time the first listening subunit 10210 listens to the unlicensed frequency resource;
  • the resetting unit 109 is configured to: when the first listening subunit 10210 monitors that the unlicensed frequency resource is being used for transmitting data in the first preset time period or the third preset time period, Restarting monitoring and resetting the second timer started by the second starting unit 108;
  • the statistic unit 111 is configured to: when the first listening subunit 10210 monitors that the unlicensed frequency resource is not used for transmitting data in the first preset time period or the third preset time period, The reset unit 109 resets the number of times of the second timer;
  • the second adjusting unit 112 is configured to adjust the length of the second preset time period or the fourth preset time period according to the number of times the second timer is reset by the statistics unit 111.
  • the sending unit 103 is further configured to: when the data is transmitted by using the unlicensed frequency resource in the second preset time period, simultaneously transmit the unlicensed frequency resource in the fourth preset time period. And the identification information, so that the other frequency resource coordination device does not listen to the unlicensed frequency resource in the fourth preset time period after acquiring the identification information.
  • frequency resource coordination devices A, B, C, and D are listening or using unlicensed frequency resources, wherein the frequency resource coordination device A and the frequency resource coordination device D simultaneously start listening to the non-proximity.
  • the frequency resource coordination device B listens to the unlicensed frequency resource in the listening duration LT1, and the frequency resource coordination device B restarts monitoring, the frequency is later than the frequency resource coordination device A and the frequency resource coordination device D-point.
  • the resource coordination device A and the frequency resource coordination device D start to listen to the unlicensed frequency resource after transmitting the short data, and the frequency resource coordination device A listening duration LT2 is smaller than the monitoring time length LT3 of the frequency resource coordination device D, so the frequency resource coordination device A does not listen to the data on the unlicensed frequency resource within the duration of LT3, and then transmits long data on the unlicensed frequency resource after the end of LT2, and the frequency resource coordination device D listens to the frequency resource in the listening duration LT3.
  • the long data transmitted by the coordinating device A on the unlicensed frequency resource is heavy Begins listening frequency resource coordination unit C when the listener is listening on long LT1 to long data transmission frequency resource coordination device A in the non-licensed frequency resource, the monitor is restarted.
  • only eight, B, C, and D are taken as an example for description.
  • Step 1 A frequency resource coordination device that uses unlicensed frequency resources, when the unlicensed frequency resource needs to be used, starts the listening timer t-listen, The unlicensed frequency resource is monitored.
  • the listening timer t-listen is reset.
  • T-listenThreshold1 If there is no data monitored on the unlicensed frequency resource in T-listenThreshold1, t-shortData cannot exceed a threshold T-dataTxthresholdl.
  • Step 2 After sending the short data, randomly select the listening time window T2 on the unlicensed frequency resource within the range of (0, T-listenThreshold2):
  • T2 If no data transmission is detected on the unlicensed frequency resource in T2, the long data time t-longData is occupied to transmit the long data. Where T-listThreshold2 is smaller than T-listenThresholdl.
  • t-longData cannot exceed a threshold T-dataTxthreshold2.
  • step 1 After sending long data, if you still want to occupy resources, return to step 1 and start monitoring again.
  • the short data is sent once, and the unlicensed frequency resource may be occupied first, so that the other frequency resource coordination device does not occupy the unlicensed frequency resource, and after the short data is sent, the monitoring is performed. Unauthorized frequency resources are idle when sending long data.
  • the timer t-waittime is started until long data longdata can be sent, and T-dataTxthreshold2 is a function of t-waittime. That is, the longer the waiting time, the longer it takes to occupy the unlicensed frequency resource to send long data.
  • the record starts listening until the long data can be sent.
  • the content of the short data sent in the t-shortData includes information that is expected to occupy the unlicensed frequency resource time.
  • the coordination unit 102 includes:
  • the broadcast subunit 10220 is configured to broadcast, to send, to send an RTS message, where the RTS message carries a first time period identifier that is expected to use the unlicensed frequency resource.
  • the first receiving subunit 10221 is configured to receive an explicit sending CTS message sent by the user equipment to the frequency resource coordination apparatus to feed back the RTS message broadcast by the broadcast subunit 10220.
  • a second determining subunit 10222 configured to determine, according to the CTS message received by the first receiving subunit 10221, a time period in which the first undesired frequency resource is expected to be used as the using the unauthorized Time of frequency resources;
  • the sending unit 103 is configured to use the unlicensed frequency resource to transmit the number of the user equipment that sends the CTS message in a period of the first expected use of the unlicensed frequency resource. According to.
  • the second determining sub-unit 10222 is further configured to: according to the RTS message broadcast by the other frequency resource coordination device, or the CTS message sent by the user equipment covered by the other frequency resource coordination device, determine the location a time period in which the other frequency resource coordination device expects to use the unlicensed frequency resource, where the RTS message broadcast by the other frequency resource coordination device carries a time period in which the other frequency resource coordination device expects to use the unlicensed frequency resource, The CTS message sent by the user equipment covered by the other frequency resource coordination device carries a time period in which the other frequency resource coordination device expects to use the unlicensed frequency resource, and the other frequency resource coordination device expects to use the During the time period of the unlicensed frequency resource, it is determined that the unlicensed frequency resource is not occupied.
  • the second determining sub-unit 10222 is further configured to: when the RTS message broadcast by the other frequency resource coordination device and the CTS message sent by the user equipment covered by the other frequency resource coordination device, When the other frequency resource coordination device only occupies the indication information of the uplink frequency resource or the downlink frequency resource of the unlicensed frequency resource, determining that the other frequency resource coordination device expects to use the unlicensed frequency resource for a period of time The downlink frequency resource or the uplink frequency resource that is not used by other frequency resource coordination devices in the unlicensed frequency resource.
  • FIG. 7 is a schematic diagram of an embodiment of frequency resource coordination according to an embodiment of the present invention, and may also be understood as an overall description of the embodiment corresponding to FIG. 6:
  • Step 1 The frequency resource coordination device 1 needs to use an unlicensed frequency resource to broadcast a message ready to send (RTS) message.
  • the message carries the UE information using the unlicensed frequency resource.
  • the content of the UE information is: A sequence number when the feedback is sent, and a time period identifier that is expected to use the unlicensed frequency resource.
  • the UE information content may further include a power level for transmitting the feedback.
  • the optional UE information content may also include a manner of occupying resources, for example, only scheduling downlink, or only scheduling uplink, or scheduling both uplink and downlink.
  • Step 2 After receiving the RTS message, the UE1 and the UE2 under the frequency resource coordination device 1 calculate the time of the CTS (clear to send) feedback according to the sequence number if the UE has the scheduling information, and feed back the CTS at the time.
  • the message, the CTS message includes the UE identifier.
  • the CTS message may further include schedulable data transmission direction information. For example, only allow adjustment Downstream, or only allow scheduling uplink, or both uplink and downlink are allowed to schedule.
  • the CTS message may also include a time when the resource is occupied.
  • Step 3 After the feedback time of all the scheduled UE1 and UE2, the frequency resource coordination apparatus 1 confirms that the unlicensed frequency resource is occupied at the time when the first undesired frequency resource is expected to be used based on the feedback information of the received UE. Data is transmitted to UE1 and UE2.
  • Step 4 If the frequency resource coordination device 2 receives the RTS of the frequency resource coordination device 1, the resource resource coordination device 1 does not attempt to occupy the resource during the time when the resource resource coordination device 1 occupies the resource.
  • the AP2 may occupy the unlicensed frequency resource for uplink transmission in the same time period.
  • Step 5 The frequency resource coordination apparatus 2 does not attempt to occupy the unlicensed frequency resource within the time period of occupying the unlicensed frequency resource indicated by the CTS message if the CTS message of the UE1 or the UE2 is received by the frequency resource coordination apparatus.
  • Step 6 If any one of UE3 and UE4 under the frequency resource coordination apparatus 2 receives the RTS message of the frequency resource coordination apparatus 1 or the CTS message sent by any one of UE1 and UE2 under the frequency resource coordination apparatus 1, If the RTS message sent by the frequency resource coordination device 2 is received, the CTS message can be fed back only to support the uplink scheduling or not to the CTS message.
  • the coordination unit 102 includes:
  • a first sending sub-unit 10230 configured to send a frequency resource allocation request message to the central control device, where the frequency resource allocation request message carries a second time period identifier that is expected to use the unlicensed frequency resource, to facilitate the central control Determining, by the device, whether the unlicensed frequency resource is idle during a period of time during which the second undesired frequency resource is expected to be used;
  • a second receiving subunit 10231 configured to receive an allocation response message sent by the central control device, where the allocation response message is used to indicate that the unlicensed frequency resource is in the second expected use of the unlicensed frequency resource. Free during the time period; a third determining subunit 10232, configured to determine, according to the allocation response message received by the second receiving subunit 10231, a time period in which the second undesired frequency resource is expected to be used as the using the non The time period during which the frequency resource is authorized;
  • the sending unit 103 is configured to use the unlicensed frequency resource to transmit data in a time period in which the second undesired frequency resource is expected to be used.
  • the apparatus 10 further includes:
  • the receiving unit 113 is configured to receive measurement parameter configuration information sent by the central control device, and the measuring unit 114 is configured to measure, according to the measurement parameter configuration information received by the receiving unit 113, between the measurement and the other frequency coordination device.
  • the sending unit 103 is configured to send the interference measurement result measured by the measuring unit 114 to the central control device, so that the central control device allocates the unlicensed frequency resource to the frequency resource coordination device according to the interference measurement result.
  • the sending unit 103 is further configured to send a location message to the central control device, where the location message carries location information of the frequency resource coordination device and a maximum transmit power of the frequency resource coordination device, to facilitate the center
  • the control device allocates power to the frequency resource coordination device according to the location information of the frequency resource coordination device and the maximum transmission power of the frequency resource coordination device.
  • FIG. 10 is a schematic diagram of another embodiment of a frequency resource coordination process according to an embodiment of the present invention.
  • the intermediate triangle in Figure 10 is the central control unit and is a logical entity responsible for coordinating the use of an unlicensed frequency resource by all other frequency resource coordination devices.
  • Step 1 When the frequency resource coordination device needs to use an unlicensed frequency resource, send a frequency resource allocation request message to the central control device, where the frequency resource allocation request message carries a second time period identifier that is expected to use the unlicensed frequency resource. .
  • the frequency resource allocation request message may further include a desired maximum transmit power.
  • the location of the frequency resource coordination device may also be included in the frequency resource allocation request message.
  • the frequency resource allocation request message may further include a manner of occupying the unlicensed frequency resource. For example, the resource is occupied for the first 20 seconds of each minute.
  • Step 2 After receiving the frequency resource allocation request message of the frequency resource coordination device, the central control device returns a feedback response message, and the content of the response message may be:
  • Reject the request optionally including the rejection time.
  • the allocated unlicensed frequency resource band information and time may optionally include the maximum transmit power.
  • the allocated unlicensed frequency resource band information and mode optionally including the maximum transmit power.
  • the central control device may send a configuration message to each frequency resource coordination device, where the configuration message includes:
  • the pilot configuration information, the pilot configuration information may be a transmission pilot resource, a pilot mode, and a pilot sequence number.
  • Measurement configuration information, measurement configuration information can be measured, and measurement reporting period, optionally including measurement on resource configuration and / or measurement "3 ⁇ 4 time offset.
  • the frequency resource coordination device after receiving the allocation response message, sends the pilot according to the pilot configuration, and measures the interference and the feedback measurement result according to the measurement configuration.
  • each frequency resource coordination device first sends a location message to the central control device, where the location information carries the location information of the frequency resource coordination device, and may also carry the maximum transmission power.
  • the central control device discriminates how to allocate resources for the frequency resource coordination device based on the previously received location information of the frequency resource coordination device and the maximum transmission power.
  • the coordination unit 102 includes:
  • a second sending sub-unit 10240 configured to send an occupation request message to the other frequency resource coordination device, where the occupation request message carries a time period identifier that is expected to use the unlicensed frequency resource;
  • a third receiving subunit 1041 configured to receive an allowed response sent by the other frequency resource coordination apparatus
  • a fourth determining subunit 1042 configured to: after the third receiving subunit 1041 receives the permission response, determine, by using the time period that the third undesired frequency resource is used as the using the non The time period during which the frequency resource is authorized;
  • the sending unit 103 is configured to use the unlicensed frequency resource to transmit data in a period of the third expected use of the unlicensed frequency resource determined by the fourth determining subunit 10242.
  • the frequency resource coordination device may directly perform coordination by sending a message, and the specific process may be:
  • Step 1 The frequency resource coordination device 1 sends an occupation request message to the peripheral frequency resource coordination device, and the occupancy request message carries a time period identifier of the third expected use of the non-authorized frequency resource.
  • the expected maximum transmit power may also be carried in the occupancy request message.
  • the location information of the frequency resource coordination apparatus 1 may also be carried in the occupancy request message.
  • the occupant request message may also carry a manner of occupying the unlicensed frequency resource, for example, occupying an uplink or a downlink, or occupying both uplink and downlink.
  • Step 2 After receiving the occupation request message of the frequency resource coordination device 1, the peripheral frequency resource coordination device feeds back the permission response message, and the content of the permission response message may be:
  • Reject the request optionally including the rejection time.
  • the time at which the frequency resource coordination device 1 can use the unlicensed frequency resource optionally including the maximum transmission power.
  • the available mode of the frequency resource coordination device 1 may optionally include the maximum transmit power.
  • each frequency resource coordination device can also occupy unlicensed frequency resources by means of competition, and exclusively use the unlicensed frequency resources by the most powerful frequency resource coordination device that is competitive.
  • the coordination unit 102 includes:
  • a fourth receiving subunit 10250 configured to receive, when the frequency resource coordination device fails to receive a signal sent by at least one of the other frequency resource coordination devices, the other frequency resource coordination device Coordination of frequency resources outside at least one frequency resource coordination device a coordination message sent by the device;
  • a fifth determining subunit 10251 configured to determine, according to the coordination message received by the fourth receiving subunit 10250, a time period in which the at least one frequency resource coordination device occupies the unlicensed frequency resource, and the at least A time period other than a time period in which the frequency resource coordination device occupies the unlicensed frequency resource is determined as the time period in which the unlicensed frequency resource is used.
  • the coordination unit 102 includes:
  • the third sending sub-unit 10260 is configured to: when the frequency resource coordination device is unable to receive the signal sent by the at least one of the other frequency resource coordination devices, send a measurement configuration message to the user equipment under the coverage, The user equipment is configured to measure, according to the measurement configuration message, a time period in which the other frequency resource coordination device occupies the unlicensed frequency resource;
  • a fifth receiving subunit 10261 configured to receive a measurement report sent by the user equipment, where the measurement report carries a time period in which the other frequency resource coordination device occupies the unlicensed frequency resource; a sixth determining subunit 10262, Determining, according to the measurement report received by the fifth receiving subunit 10261, a time period other than a time period in which the at least one frequency resource coordination device occupies the unlicensed frequency resource is determined to use the The time period of the unlicensed frequency resource.
  • the API is the macro base station of the operator 1, and the AP3 is the micro base station of the operator 2. Due to the limitation of the transmit power of the micro base station AP3, the macro base station API cannot receive the signal of the AP3. At this time, if the AP3 is using an unlicensed frequency resource and the API is not aware, the API may still use the unlicensed frequency resource of the same frequency band, causing mutual interference with the AP3.
  • the AP2 and the API belong to the same carrier.
  • the AP2 detects that there is data transmission on the unlicensed frequency resource, or receives the message sent by the AP3 using the unlicensed frequency resource, and sends a message to the API through the X2 interface.
  • the indication that the unlicensed frequency resource is interfered with, or the time that the unlicensed frequency resource is occupied by the AP3, may include the location of the AP3, optionally including the transmit power of the AP3.
  • Solution 2 The API sends a measurement configuration message to the UE under the coverage.
  • the message includes the measurement configuration of the unlicensed frequency resource, including the measurement mode, and the configuration of the measurement, including the feedback period, or the feedback event.
  • the UE After receiving the measurement configuration message, the UE performs measurement according to the configuration. If it is periodic feedback, the UE sends a measurement report message to the API. If it is event feedback, it detects that the event occurs, and sends a measurement report message to the API. Specifically, the time that the unlicensed frequency resource is occupied by the AP may be included, and the location of the AP may be optionally included, and the transmit power of the AP may be optionally included.
  • an embodiment of a central control apparatus includes: a receiving unit 201, configured to receive a resource allocation request message sent by a frequency coordination apparatus, where the frequency resource allocation request message carries a second desired use location Determining a time period identifier of the unlicensed frequency resource; the determining unit 202, configured to determine, according to the resource allocation request message received by the receiving unit 201, the time period in which the second expected use of the unlicensed frequency resource is The status of unlicensed frequency resources;
  • the sending unit 203 is configured to: when the determining unit 202 determines that the unlicensed frequency resource is idle within a time period in which the second undesired frequency resource is expected to be used, send an allocation response message to the frequency coordinating device, The allocation response message is used to indicate that the unlicensed frequency resource is idle during a period in which the second undesired frequency resource is expected to be used, so that the frequency coordination device uses the second desired to use the non- The time period of the authorized frequency resource is determined as the time period in which the unlicensed frequency resource is used.
  • the central control device provided by the embodiment of the present invention can assist the frequency resource coordination device to occupy the unlicensed frequency resource when the receiving device is arbitrarily using the unlicensed frequency resource. Coordinate with other frequency resource coordination devices to avoid conflicts and interference, thereby improving the utilization of unlicensed frequency resources.
  • the sending unit 203 is further configured to send measurement parameter configuration information to the frequency coordination device;
  • the receiving unit 201 is further configured to receive an interference signal measurement result sent by the frequency coordination device;
  • the device also includes:
  • the allocating unit 204 is configured to allocate the unlicensed frequency resource to the frequency resource coordination apparatus according to the interference measurement result received by the receiving unit 201.
  • the receiving unit 201 is further configured to receive a location message sent by the frequency coordination device, where the location message carries location information of the frequency resource coordination device, and maximum transmission of the frequency resource coordination device.
  • the allocating unit 204 is further configured to: after the receiving unit 201 receives the frequency resource allocation request message, according to the location information of the frequency resource coordination device, and the maximum transmission power of the frequency resource coordination device.
  • the frequency resource coordination device allocates power.
  • FIG. 17 is a schematic structural diagram of a frequency resource coordination apparatus 10 according to an embodiment of the present invention.
  • the frequency resource coordination device 10 can include an input device 110, an output device 120, a processor 130, and a memory 140.
  • Memory 140 can include read only memory and random access memory and provides instructions and data to processor 130. A portion of memory 140 may also include non-volatile random access memory (NVRAM).
  • NVRAM non-volatile random access memory
  • Memory 140 stores the following elements, executable modules or data structures, or a subset thereof, or their extended set:
  • Operation instructions Includes various operation instructions for implementing various operations.
  • Operating System Includes a variety of system programs for implementing basic services and handling hardware-based tasks.
  • the processor 130 performs the following operations by calling an operation instruction stored in the memory 140 (the operation instruction can be stored in the operating system):
  • the unlicensed frequency resource transmits data.
  • the frequency resource coordination device 10 when the frequency resource coordination device 10 needs to occupy the unlicensed frequency resource, the frequency resource coordination device 10 coordinates with other frequency resource coordination devices that use the unlicensed frequency resource in the foregoing to avoid mutual conflict and interference, thereby improving the non- Authorize the utilization of frequency resources.
  • the processor 130 controls the operation of the frequency resource coordination device 10, which may also be referred to as a CPU.
  • Memory 140 can include read only memory and random access memory and provides instructions and data to processor 130. A portion of memory 140 may also include non-volatile random access memory (NVRAM).
  • NVRAM non-volatile random access memory
  • the components of the frequency resource coordination device 10 are coupled together by a bus system 150.
  • the bus system 150 may include a power bus, a control bus, a status signal bus, and the like in addition to the data bus. However, for the sake of clarity, various buses are labeled as bus system 150 in the figure.
  • Processor 130 may be an integrated circuit chip with signal processing capabilities.
  • the instruction in the form of implementation is completed.
  • the processor 130 described above may be a general purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware. Component.
  • the methods, steps, and logic blocks disclosed in the embodiments of the present invention may be implemented or carried out.
  • the general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present invention may be directly implemented as a hardware decoding processor, or may be performed by a combination of hardware and software modules in a decoding processor.
  • the software modules can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 140, and the processor 130 reads the information in the memory 140 and combines the hardware to perform the steps of the above method.
  • the processor 130 monitors the unlicensed frequency resource, and when the unlicensed frequency resource is not monitored for transmitting data in the first preset time period, the first preset time will be used.
  • the second preset time period at which the segment end point starts counting is determined as the time period in which the unlicensed frequency resource is used.
  • the output device 120 transmits data using the unlicensed frequency resource in the second preset time period.
  • the processor 130 continues to listen to the unlicensed frequency resource after the data is transmitted by using the unlicensed frequency resource in the second preset time period, when the unlicensed frequency resource is monitored.
  • the fourth preset time period that is timed from the end point of the third preset time period is determined as the time period in which the unlicensed frequency resource is used. And transmitting, in the fourth preset time period, the data by using the unlicensed frequency resource, and the amount of data transmitted in the fourth preset time period is greater than that transmitted in the second preset time period. The amount of data.
  • the processor 130 may further start a first timer when the intercepting the unlicensed frequency resource is started, where the unlicensed frequency resource is monitored in the first preset time period or the first
  • the first timer is stopped, and the time length of the first timer is acquired, and the second time is adjusted according to the time length of the first timer.
  • the length of the preset time period or the fourth preset time period is the length of the preset time period or the fourth preset time period.
  • the processor 130 starts a second timer each time the unlicensed frequency resource is monitored, when the unlicensed frequency resource is monitored in the first preset time period or the third When the data is being used for transmitting data in the preset time period, restarting monitoring and resetting the second timer, when the unlicensed frequency resource is monitored in the first preset time period or the third preset
  • the number of times the second timer is reset is not used when data is not transmitted in the time period, and the second preset time period or the fourth preset is adjusted according to the number of times the second timer is reset. The length of the time period.
  • the output device 120 uses the unlicensed frequency resource to transmit data during the second preset time period, and simultaneously transmits the unlicensed frequency resource in the fourth preset time period. And the identification information, so that the other frequency resource coordination device does not listen to the unlicensed frequency resource in the fourth preset time period after acquiring the identification information.
  • the output device 120 broadcasts an RTS message, where the RTS message carries a time period identifier that is first expected to use the unlicensed frequency resource;
  • the input device 110 receives an explicit sending CTS message sent by the user equipment to the frequency resource coordination device;
  • the processor 130 according to the CTS message sent by the user equipment, the first expectation The time period in which the unlicensed frequency resource is used is determined as the time when the unlicensed frequency resource is used;
  • the output device 120 uses the unlicensed frequency resource to transmit data to the user equipment that sends the CTS message in a time period in which the first undesired frequency resource is expected to be used.
  • the processor 130 determines, according to the RTS message broadcast by the other frequency resource coordination device, or the CTS message sent by the user equipment covered by the other frequency resource coordination device, that the other frequency resource coordination device desires to use the non- And a time period of the frequency resource coordination device, where the RTS message broadcast by the other frequency resource coordination device carries a time period in which the other frequency resource coordination device expects to use the unlicensed frequency resource, and the user covered by the other frequency resource coordination device The time period in which the other frequency resource coordination device expects to use the unlicensed frequency resource is carried in the CTS message sent by the device, and the time period in which the other frequency resource coordination device is expected to use the unlicensed frequency resource is determined to be not occupied. The unlicensed frequency resource.
  • the processor 130 carries the other frequency resource coordination device only when the RTS message broadcast by the other frequency resource coordination device and the CTS message sent by the user equipment covered by the other frequency resource coordination device Determining, by the uplink frequency resource of the unlicensed frequency resource or the indication information of the downlink frequency resource, occupying other frequencies in the unlicensed frequency resource within a time period in which the other frequency resource coordination apparatus desires to use the unlicensed frequency resource The downlink frequency resource or the uplink frequency resource that the resource coordination device does not use.
  • the output device 120 sends a frequency resource allocation request message to the central control device, where the frequency resource allocation request message carries a second time period identifier that is expected to use the unlicensed frequency resource, so as to facilitate the central control. Determining, by the device, whether the unlicensed frequency resource is idle during a period of time during which the second undesired frequency resource is expected to be used;
  • the input device 110 receives an allocation response message sent by the central control device, where the allocation response message is used to indicate that the unlicensed frequency resource is idle during a period in which the second undesired frequency resource is expected to be used. ;
  • the processor 130 determines the second time period in which the unlicensed frequency resource is expected to be used as the time period in which the unlicensed frequency resource is used;
  • the output device 120 is used in a time period in which the second undesired frequency resource is expected to be used.
  • the unlicensed frequency resource transmits data.
  • the input device 110 receives measurement parameter configuration information sent by the central control device;
  • the processor 130 measures interference with the other frequency coordination device according to the measurement parameter configuration information
  • the output device 120 transmits an interference measurement result to the central control device, so that the central control device allocates the unlicensed frequency resource to the frequency resource coordination device according to the interference measurement result.
  • the output device 120 sends a location message to the central control device, where the location message carries location information of the frequency resource coordination device and a maximum transmit power of the frequency resource coordination device, to facilitate the center.
  • the control device allocates power to the frequency resource coordination device according to the location information of the frequency resource coordination device and the maximum transmission power of the frequency resource coordination device.
  • the output device 120 sends an occupation request message to the other frequency resource coordination device, where the occupation request message carries a time period identifier that is expected to use the unlicensed frequency resource.
  • the processor 130 After receiving the permission response sent by the other frequency resource coordination apparatus, the processor 130 determines the time period in which the third undesired frequency resource is expected to be used as the time of using the unlicensed frequency resource.
  • the output device 120 transmits data using the unlicensed frequency resource in a time period in which the third undesired frequency resource is expected to be used.
  • the input device 110 receives the signal sent by the other frequency resource coordination device when the frequency resource coordination device is unable to receive the signal sent by the at least one of the other frequency resource coordination devices. a coordination message sent by the frequency resource coordination device outside the at least one frequency resource coordination device;
  • the processor 130 determines, according to the coordination message, a time period in which the at least one frequency resource coordination device occupies the unlicensed frequency resource, and the time period in which the at least one frequency resource coordination device occupies the rate resource.
  • the output device 120 sends a measurement configuration message to the user equipment under the coverage when the frequency resource coordination device is unable to receive the signal sent by the at least one of the other frequency resource coordination devices.
  • the user equipment is configured to measure, according to the measurement configuration message, a time period in which the other frequency resource coordination device occupies the unlicensed frequency resource;
  • the input device 110 receives a measurement report sent by the user equipment, where the measurement report carries a time period in which the other frequency resource coordination device occupies the unlicensed frequency resource;
  • the processor 130 uses the at least one frequency resource coordination device to occupy the unlicensed frequency.
  • the figure 18 is a schematic structural diagram of the central control device 20 according to the embodiment of the present invention.
  • the central control device 20 can include an input device 210, an output device 220, a processor 230, and a memory 240.
  • Memory 240 can include read only memory and random access memory and provides instructions and data to processor 230. A portion of memory 240 may also include non-volatile random access memory (NVRAM).
  • NVRAM non-volatile random access memory
  • Memory 240 stores the following elements, executable modules or data structures, or a subset thereof, or an extended set of them:
  • Operation instructions Includes various operation instructions for implementing various operations.
  • Operating System Includes a variety of system programs for implementing basic services and handling hardware-based tasks.
  • the processor 230 performs the following operations by calling an operation instruction stored in the memory 240 (the operation instruction can be stored in the operating system):
  • the central control device 20 assists the frequency coordination device to coordinate with other frequency resource coordination devices that jointly use the unlicensed frequency resources in the need to occupy unlicensed frequency resources, thereby avoiding mutual conflict and interference. Increased utilization of unlicensed frequency resources.
  • the processor 230 controls the operation of the central control unit 20, which may also be referred to as a CPU.
  • Memory 240 can include read only memory and random access memory and provides instructions and data to processor 230. A portion of memory 240 may also include non-volatile random access memory (NVRAM).
  • NVRAM non-volatile random access memory
  • the various components of the central control unit 20 are coupled together by a bus system 250.
  • the bus system 250 may include a power bus, a control bus, a status signal bus, and the like in addition to the data bus. However, for clarity of description, various buses are labeled as bus system 250 in the figure.
  • Processor 230 may be an integrated circuit chip with signal processing capabilities.
  • the instruction in the form of implementation is completed.
  • the processor 230 described above may be a general purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware. Component.
  • the methods, steps, and logic blocks disclosed in the embodiments of the present invention may be implemented or carried out.
  • the general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present invention may be directly implemented as a hardware decoding processor, or may be performed by a combination of hardware and software modules in a decoding processor.
  • the software modules can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 240, and the processor 230 reads the information in the memory 240 and combines the hardware to perform the steps of the above method.
  • the output device 220 sends measurement parameter configuration information to the frequency coordination device; the input device 210 receives an interference signal measurement result sent by the frequency coordination device; and the processor 230 is configured according to the interference measurement result. Allocating the unlicensed frequency resource to the frequency resource coordination device.
  • the input device 210 receives a location message sent by the frequency coordination device, where the location message carries location information of the frequency resource coordination device, and a maximum transmission power of the frequency resource coordination device;
  • the processor 230 After receiving the frequency resource allocation request message, the processor 230 allocates power to the frequency resource coordination device according to the location information of the frequency resource coordination device and the maximum transmission power of the frequency resource coordination device.
  • an embodiment of a method for coordinating frequency resources provided by an embodiment of the present invention includes:
  • the method for coordinating the frequency resources provided by the embodiments of the present invention may be used when the unrecognized frequency resources are required to be used.
  • the frequency resource coordination device coordinates to avoid mutual conflict and interference, thereby improving the utilization of unlicensed frequency resources.
  • the performing the non-authorized frequency resource according to the preset policy and the common use coordinate to determine the time period in which the unlicensed frequency resource is used, which may include:
  • the second preset time period that is timed from the end point of the first preset time period is determined as the use a time period of the unlicensed frequency resource
  • the transmitting the data by using the unlicensed frequency resource in the determining the period of using the unlicensed frequency resource includes:
  • the method may further include:
  • the fourth preset time period that is timed from the end point of the third preset time period is determined as the use a period of the unlicensed frequency resource, and in the fourth preset time period, using the unlicensed frequency resource to transmit data, and the amount of data transmitted in the fourth preset time period is greater than The amount of data transmitted in the second preset time period.
  • the method may further include:
  • Stopping when the unlicensed frequency resource is not used for transmitting data in the first preset time period or the third preset time period, stopping the first timer, and acquiring the first The length of the timer;
  • the method may further include:
  • the method when the data is transmitted by using the unlicensed frequency resource in the second preset time period, the method further includes:
  • the information of the fourth time period is set in the data.
  • the non-authorized frequency is commonly used according to a preset policy.
  • the other frequency resource coordination devices of the resource coordinate to determine the time period in which the unlicensed frequency resource is used, which may include:
  • the broadcast is ready to send an RTS message, where the RTS message carries a first time period identifier that is expected to use the unlicensed frequency resource;
  • the transmitting the data by using the unlicensed frequency resource in the determining the period of using the unlicensed frequency resource includes:
  • the method may further include:
  • the RTS message broadcast by the other frequency resource coordination device Determining, according to the RTS message broadcast by the other frequency resource coordination device, or the CTS message sent by the user equipment covered by the other frequency resource coordination device, determining that the other frequency resource coordination device expects to use the unlicensed frequency resource And the RTS message broadcast by the other frequency resource coordination device carries a time period in which the other frequency resource coordination device expects to use the unlicensed frequency resource, and the CTS message sent by the user equipment covered by the other frequency resource coordination device And carrying a time period in which the other frequency resource coordination device expects to use the unlicensed frequency resource;
  • the method may further include:
  • the other frequency resource coordination device only occupies the uplink frequency of the unlicensed frequency resource, where the RTS message broadcast by the other frequency resource coordination device and the CTS message sent by the user equipment that is covered by the other frequency resource coordination device
  • the resource or the indication of the downlink frequency resource is The downlink frequency resource or the uplink frequency resource that is not used by other frequency resource coordination devices in the unlicensed frequency resource is occupied in a time period in which the other frequency resource coordination device is expected to use the unlicensed frequency resource.
  • the non-authorized frequency is commonly used according to a preset policy.
  • the other frequency resource coordination devices of the resource coordinate to determine the time period in which the unlicensed frequency resource is used, which may include:
  • the transmitting the data by using the unlicensed frequency resource in the determining the period of using the unlicensed frequency resource includes:
  • the unlicensed frequency resource is used to transmit data during a second time period in which the unlicensed frequency resource is expected to be used.
  • the method may further include:
  • the method may further include:
  • the location message carries a frequency resource coordination device
  • the location information, and the maximum transmission power of the frequency resource coordination device so that the central control device, after receiving the frequency resource allocation request message, according to the location information of the frequency resource coordination device, and the The maximum transmit power of the frequency resource coordination device is the power allocated by the frequency resource coordination device.
  • the non-authorized frequency is commonly used according to a preset policy.
  • the other frequency resource coordination devices of the resource coordinate to determine the time period in which the unlicensed frequency resource is used, which may include:
  • determining, by the third time period, the use of the unlicensed frequency resource is the time period in which the unlicensed frequency resource is used;
  • the transmitting the data by using the unlicensed frequency resource in the determining the period of using the unlicensed frequency resource includes:
  • the data is transmitted using the unlicensed frequency resource in a time period in which the third undesired frequency resource is expected to be used.
  • the non-authorized frequency is commonly used according to a preset policy.
  • the other frequency resource coordination devices of the resource coordinate to determine the time period in which the unlicensed frequency resource is used, which may include:
  • the time period other than the time period in which the at least one frequency resource coordination device occupies the unlicensed frequency resource is determined as the time period in which the unlicensed frequency resource is used.
  • the non-authorized frequency is commonly used according to a preset policy.
  • the other frequency resource coordination devices of the resource coordinate to determine the time period in which the unlicensed frequency resource is used, which may include:
  • the frequency resource coordination device when the frequency resource coordination device is unable to receive the signal sent by the at least one of the other frequency resource coordination devices, sending a measurement configuration message to the user equipment under the coverage, so that the user equipment is configured according to the Measuring, by the measurement configuration, a time period in which the other frequency resource coordination device occupies the unlicensed frequency resource;
  • the other time period other than the time period in which the at least one frequency resource coordination device occupies the unlicensed frequency resource is determined as the time period in which the unlicensed frequency resource is used.
  • another embodiment of a method for frequency resource coordination provided by an embodiment of the present invention includes:
  • the frequency coordinating device determines the second time period in which the unlicensed frequency resource is expected to be used as the The time period in which the unlicensed frequency resource is used.
  • the central control apparatus of the embodiment of the present invention can assist the frequency coordination apparatus to coordinate with other frequency resource coordination apparatuses that jointly use the unlicensed frequency resources in the need to occupy unlicensed frequency resources, thereby avoiding mutual Conflicts and interference, thereby increasing the utilization of unlicensed frequency resources.
  • the method may further include: Transmitting measurement parameter configuration information to the frequency coordination device;
  • the method may further include:
  • the frequency resource coordination device After receiving the frequency resource allocation request message, the frequency resource coordination device allocates power according to the location information of the frequency resource coordination device and the maximum transmission power of the frequency resource coordination device.
  • An embodiment of the frequency resource coordination system provided by the embodiment of the present invention includes: at least one frequency resource coordination device and user equipment,
  • the frequency resource coordination device is configured to determine that the unlicensed frequency resource needs to be occupied, and when it is determined that the unlicensed frequency resource needs to be occupied, coordinate with other frequency resource coordination devices that jointly use the unlicensed frequency resource according to the preset policy to determine use. And the time period of the unlicensed frequency resource, in the period of determining to use the unlicensed frequency resource, using the unlicensed frequency resource to transmit data to the user equipment.
  • system may further include a central control device,
  • the at least one frequency resource coordination device coordinates through the central control device to determine a time period in which the unlicensed frequency resource is used.
  • the understanding of the frequency resource coordination system can be understood by referring to the descriptions in FIG. 5, FIG. 7, FIG. 10 and FIG. 14, and no further description is made herein.
  • a person skilled in the art may understand that all or part of the various steps of the foregoing embodiments may be completed by a program instructing related hardware.
  • the program may be stored in a computer readable storage medium, and the storage medium may include: ROM, RAM, disk or CD, etc.

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Abstract

La présente invention concerne un appareil de coordination de ressources de fréquence, comportant : une unité de détermination déterminant une ressource de fréquence sans licence devant être occupée; lorsque l'unité de détermination détermine la ressource de fréquence sans licence devant être occupée, une unité de coordination coordonne, en fonction d'une politique prédéfinie, avec d'autres dispositifs de coordination de ressources de fréquence utilisant également ladite ressource de fréquence sans licence, pour déterminer une période de temps pour utiliser ladite ressource de fréquence sans licence ; dans la période de temps, déterminée par ladite unité de coordination, à l'aide de ladite ressource de fréquence sans licence, une unité de transmission utilisant ladite ressource de fréquence sans licence pour transmettre des données. Le dispositif de coordination de ressources de fréquence fourni par les modes de réalisation de la présente invention peut se coordonner avec d'autres dispositifs de coordination de ressources de fréquence lorsqu'il est nécessaire d'occuper une fréquence sans licence, ce qui évite les conflits et les interférences et permet ainsi d'améliorer l'utilisation des ressources de fréquence sans licence.
PCT/CN2014/071188 2014-01-23 2014-01-23 Appareil de coordination de ressources de fréquence, procédé, dispositif et système WO2015109467A1 (fr)

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WO2018228582A1 (fr) * 2017-06-16 2018-12-20 Mediatek Inc. Procédé et appareil de transmission de sous-trames partielles de liaison montante pour communications mobiles

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