WO2015096073A1 - 一种上行资源分配的方法、装置及宏基站 - Google Patents
一种上行资源分配的方法、装置及宏基站 Download PDFInfo
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- WO2015096073A1 WO2015096073A1 PCT/CN2013/090466 CN2013090466W WO2015096073A1 WO 2015096073 A1 WO2015096073 A1 WO 2015096073A1 CN 2013090466 W CN2013090466 W CN 2013090466W WO 2015096073 A1 WO2015096073 A1 WO 2015096073A1
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- user equipment
- group
- measurement report
- base station
- micro
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- 238000000034 method Methods 0.000 title claims abstract description 51
- 238000005259 measurement Methods 0.000 claims abstract description 512
- 230000005540 biological transmission Effects 0.000 claims abstract description 50
- 238000013468 resource allocation Methods 0.000 claims description 36
- 238000005457 optimization Methods 0.000 claims description 6
- 230000002452 interceptive effect Effects 0.000 abstract 1
- 230000001960 triggered effect Effects 0.000 description 37
- 238000004590 computer program Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
- H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
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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
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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
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
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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
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
- H04W16/32—Hierarchical cell structures
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/121—Wireless traffic scheduling for groups of terminals or users
Definitions
- the present invention relates to the field of communications, and in particular, to a method, an apparatus, and an a macro base station for uplink resource allocation. Background technique
- HetNet heterogeneous network
- the user performs cell selection according to the downlink measurement signal strength. Since the transmission power of the micro base station is much smaller than that of the macro base station, the coverage of the micro base station is much smaller. Then, in the UMTS (Universal Mobile Telecommunications System) or LTE (Long Temi Evolution) system, power control technology is adopted, so that users farther from the base station need larger transmission power to compensate the path. Loss and the impact of the "near-far effect". Therefore, if the macro base station user equipment at the edge of the micro cell is far away from the macro base station, the macro base station user equipment uses a larger uplink transmit power, and then the macro base station user equipment will perform uplink data transmission on the user equipment. The nearby micro cell generates severe uplink interference and reduces the uplink capacity of the micro base station. Summary of the invention
- the present invention provides a method, a device, and a macro base station for allocating uplink resources, which are used to solve the problem that a macro base station user equipment existing in the prior art generates serious uplink interference to a micro cell in the vicinity of the uplink data transmission, and reduces the micro Technical problem of the uplink capacity of the base station.
- the present invention provides an uplink resource allocation apparatus, including: a measurement report obtaining module, configured to acquire a measurement report reported by a user equipment; and a user equipment grouping module, configured to a measurement report, the user equipment is divided into a first user equipment group or a second user equipment group, where the user equipment in the first user equipment group generates less interference to the micro area than the user in the second user equipment group The interference generated by the device to the micro cell; the uplink resource allocation module, configured to: based on the ratio of the number of user equipments in the first user equipment group to the number of user equipments in the second user equipment group, in a scheduling period And allocating an uplink data transmission subframe to the user equipment in the first user equipment group and the user equipment in the second user equipment group.
- the user equipment grouping module includes: a micro cell determining module, configured to divide the user equipment into a second user equipment in the user equipment grouping module After the group, the micro cell corresponding to each user equipment is determined according to the measurement report reported by each user equipment in the second user equipment group, where each user equipment is in one or more tiny a grouping module, configured to divide each user equipment into a corresponding group in the second user equipment group according to the micro area corresponding to each user equipment, where each The microcell corresponding to the user equipment corresponds to each of the groups.
- the group grouping module is specifically configured to: separately divide each user equipment according to the micro area corresponding to each user equipment And in an ordinary group corresponding to the micro cells corresponding to each user equipment in the second user equipment group.
- the group grouping module is specifically configured to: if any user equipment in the second user equipment group is only at the edge of a single micro cell And dividing any one of the user equipments into an ordinary group corresponding to the single micro area in the second user equipment group; if any one of the user equipments is at an edge of at least two micro areas, The any user equipment is divided into a specific group corresponding to the at least two micro cells, and the specific group is a group other than the ordinary group.
- the user equipment grouping module further includes: a group optimization module, configured to divide the any user equipment into the group grouping module After the specific group corresponding to the at least two micro cells, if the specific small The group includes only one user equipment, and the user equipment in the specific group is divided into an ordinary group corresponding to any one of the at least two micro cells, and the specific group is deleted.
- a group optimization module configured to divide the any user equipment into the group grouping module After the specific group corresponding to the at least two micro cells, if the specific small The group includes only one user equipment, and the user equipment in the specific group is divided into an ordinary group corresponding to any one of the at least two micro cells, and the specific group is deleted.
- the group optimization module is further configured to: After the device is divided into corresponding common groups in the second user equipment group, if there is a unit group including only one user equipment in the normal group, the user equipment in the unit group is divided into the first user. In the device group, and delete the unit group.
- the uplink resource allocation module specifically includes: a group resource allocation module, configured to After the uplink resource allocation module allocates an uplink data transmission subframe to the user equipment in the first user equipment group and the user equipment in the second user equipment group, according to each group of the second user equipment group Allocating an uplink data transmission subframe allocated to the second user equipment group to a user in each group of the second user equipment group, the ratio of the number of user equipments to the number of user equipments in the second user equipment group device.
- a group resource allocation module configured to After the uplink resource allocation module allocates an uplink data transmission subframe to the user equipment in the first user equipment group and the user equipment in the second user equipment group, according to each group of the second user equipment group Allocating an uplink data transmission subframe allocated to the second user equipment group to a user in each group of the second user equipment group, the ratio of the number of user equipments to the number of user equipments in the second user equipment group device.
- the measuring 4 is that the user equipment performs measurement and reports according to the measurement configuration, where The measurement configuration carries the first co-frequency measurement report event information and the second co-frequency measurement report event information; wherein, when the pilot signal of the micro cell corresponding to the user equipment becomes better, the micro cell triggers the The first intra-frequency measurement 4 alarm event, when the pilot signal of the micro cell is degraded, the micro cell triggers the second co-frequency measurement report event.
- the user equipment grouping module is specifically configured to: if the measurement report reported by the user equipment triggers the first intra-frequency measurement report event And the user equipment is divided into the second user equipment group; or, if the measurement report reported by the user equipment triggers the second intra-frequency measurement report event to be triggered, the user equipment Comparing the number of micro cells corresponding to the measurement, and the number of micro cells that trigger the second co-frequency measurement report event, wherein the number of micro cells corresponding to the user equipment before the measurement is greater than the triggering
- the user equipment is divided into the second user equipment group; when the number of micro cells corresponding to the user equipment before the measurement is equal to the number of micro cells that trigger the second intra-frequency measurement report event, the user is The device is divided into the first user equipment group.
- the user equipment grouping module is further configured to: in the measurement report reported by the user equipment, Before the user equipment is divided into the first user equipment group or the second user equipment group, and before receiving the measurement report by the user equipment, the user equipment is divided into the first user equipment group.
- the measurement report obtaining module is specifically configured to: deliver the information to the user equipment And measuring, configured to receive, by the user equipment, the measurement according to the measurement configuration, and triggering the first intra-frequency measurement report event or the second co-frequency measurement report event in a micro cell corresponding to the user equipment The measurement report reported at the time.
- the measurement report acquiring module is specifically configured to: receive and forward by the radio network controller The measurement report of the user equipment, where the measurement report is measured by the user equipment according to the measurement configuration sent by the radio network controller, and the first area is triggered in the micro area corresponding to the user equipment. The same frequency measurement report event or the second co-frequency measurement report event is reported to the radio network controller.
- the present invention provides a macro base station, including: a receiver, configured to receive a measurement report reported by a user equipment, and a processor, configured to divide the user equipment into a first report according to the measurement report reported by the user equipment a user equipment group or a second user equipment group, where the user equipment in the second user equipment group is located at an edge of the micro area, and is not in the soft handover area, and is larger than the user equipment in the first user equipment group.
- the remote data transmission subframe is allocated according to a ratio of the number of user equipments in the first user equipment group to the number of user equipments in the second user equipment group in a scheduling period. Giving the user equipment in the user equipment group and the user equipment in the second user equipment group.
- the processor is further configured to: after the user equipment is divided into a second user equipment group, according to each of the second user equipment groups The measurement reports reported by the user equipments respectively determine the micro cells corresponding to each user equipment, where each user equipment is at the edge of one or more micro cells; And each of the user equipments is divided into corresponding groups in the second user equipment group, where the micro areas corresponding to each user equipment are corresponding to each of the groups.
- the processor is specifically configured to: separately divide each user equipment according to the micro area corresponding to each user equipment
- the micro-areas corresponding to each of the user equipments in the second user equipment group are corresponding to the ordinary group.
- the processor is specifically configured to: if any user equipment in the second user equipment group is only at an edge of a single micro cell, And dividing any one of the user equipments into an ordinary group corresponding to the single micro area in the second user equipment group; if any one of the user equipments is at an edge of at least two micro areas, Any user equipment is divided into a specific group corresponding to the at least two micro cells, and the specific group is a group other than the ordinary group.
- the processor is further configured to: divide the any user equipment into a specific group corresponding to the at least two micro cells Then, if the specific group includes only one user equipment, the user equipment in the specific group is divided into an ordinary group corresponding to any one of the at least two micro cells, and the specific group is deleted. .
- the processor is further configured to: divide the user equipment into the After the corresponding normal group in the user equipment group, if there is a unit group including only one user equipment in the normal group, the user equipment in the unit group is divided into the first user equipment group, and deleted. The unit group.
- the processor is further configured to allocate an uplink data transmission subframe to the After the user equipment in the first user equipment group and the user equipment in the second user equipment group, the number of user equipments of each group of the second user equipment group and the user equipment in the second user equipment group The ratio of the number, the uplink data transmission subframe allocated to the second user equipment group is allocated to the user equipment in each group of the second user equipment group.
- the measurement 4 is that the user equipment performs measurement and reports according to the measurement configuration,
- the measurement configuration carries the first co-frequency measurement report event information and the second co-frequency measurement report event information; wherein, when the pilot signal of the micro cell corresponding to the user equipment becomes better, the micro cell triggers the The first intra-frequency measurement report event, when the pilot signal of the micro cell is degraded, the micro cell triggers the second co-frequency measurement report event.
- the processor is specifically configured to: if the measurement report reported by the user equipment is triggered by the first co-frequency measurement report event And dividing the user equipment into the second user equipment group; or, if the measurement report reported by the user equipment is triggered by the second intra-frequency measurement report event, before the user equipment performs measurement Comparing the number of micro cells with the number of micro cells that trigger the second frequency measurement report event, wherein the number of micro cells corresponding to the user equipment before the measurement is greater than the triggering the second co-frequency measurement When the number of micro-zones of the event is reported, the user equipment is divided into the second user equipment group; the number of micro-cells corresponding to the user equipment before the measurement is equal to the triggering the second intra-frequency measurement report event When the number of micro cells is small, the user equipment is divided into the first user equipment group.
- the processor is further configured to: when the user reports the measurement report according to the user equipment Before the device is divided into the first user equipment group or the second user equipment group, and before receiving the measurement report by the user equipment, the user equipment is divided into the first user equipment group.
- the macro base station further includes: a transmitter, configured to send a measurement configuration to the user equipment, to enable the user equipment to perform measurement based on the measurement configuration, and in the user
- the drum cell corresponding to the device triggers the first intra-frequency measurement to report the event or the measurement report reported when the second intra-frequency measurement report event.
- the receiver is specifically configured to: perform measurement according to the user equipment Reporting, before the user equipment is divided into the first user equipment group or the second user equipment group, receiving a measurement report of the user equipment forwarded by the radio network controller, where the measurement report is The user equipment performs measurement according to the measurement configuration sent by the radio network controller, and reports the same intra-frequency measurement report event or the second co-frequency measurement report event to the micro-cell corresponding to the user equipment.
- the wireless network controller is specifically configured to: perform measurement according to the user equipment Reporting, before the user equipment is divided into the first user equipment group or the second user equipment group, receiving a measurement report of the user equipment forwarded by the radio network controller, where the measurement report is The user equipment performs measurement according to the measurement configuration sent by the radio network controller, and reports the same intra-frequency measurement report event or the second co-frequency measurement report event to the micro-cell corresponding to the user equipment.
- the wireless network controller is specifically configured to: perform measurement according to the user equipment Reporting, before the user equipment is divided into the first user equipment group or the second
- the present invention provides a radio network controller, including: a transmitter, configured to send a measurement configuration to a user equipment, where the measurement configuration carries a first co-frequency measurement report event information and a second Frequency measurement report event information, when the pilot signal of the micro cell corresponding to the user equipment becomes better, the ⁇ cell triggers the first co-frequency measurement 4 report event, when the micro cell is guided When the frequency signal is degraded, the micro cell triggers the second intra-frequency measurement report event; and is further configured to forward the measurement report reported by the user equipment according to the measurement configuration to the macro base station; and the receiver is configured to receive The measurement report.
- a radio network controller including: a transmitter, configured to send a measurement configuration to a user equipment, where the measurement configuration carries a first co-frequency measurement report event information and a second Frequency measurement report event information, when the pilot signal of the micro cell corresponding to the user equipment becomes better, the ⁇ cell triggers the first co-frequency measurement 4 report event, when the micro cell is guided When the frequency signal is de
- the transmitter is further configured to report the first co-frequency according to the measurement report after the receiver receives the measurement report.
- the first user equipment of the measurement report event notifies that before the first micro-frequency triggering event of the first intra-frequency measurement 4 alarm event triggers the second co-frequency measurement ⁇ ⁇ report event of the first user equipment, The first micro cell no longer triggers the first intra-frequency measurement report event of the first user equipment; or, the second user equipment that reports the second co-frequency measurement report event is notified that the trigger is Before the second micro-cell of the second intra-frequency measurement report event triggers the first co-frequency measurement report event of the second user equipment, the second micro-cell no longer triggers the second user equipment Two co-frequency measurements report events.
- the present invention provides a user equipment, including: a receiver, configured to receive a measurement configuration that is sent by a network side, where the measurement configuration carries a first co-frequency measurement report event information and a second co-frequency Measuring the event information, when the pilot signal of the micro cell corresponding to the user equipment becomes better, the micro cell triggers the first co-frequency measurement event, when the pilot signal of the micro cell When the frequency is changed, the ⁇ cell triggers the second intra-frequency measurement event; the transmitter is configured to perform measurement according to the measurement configuration, and the micro cell triggers the first first co-frequency measurement 4 When the alarm event and/or the second frequency measurement report event, the measurement report is reported to the network side.
- a fifth aspect of the present invention provides a method for allocating an uplink resource, including: a macro base station acquiring a measurement report reported by a user equipment; the macro base station, according to the measurement report, dividing the user equipment into a first user equipment group or a second user equipment group, where the interference generated by the user equipment in the first user equipment group on the micro cell is smaller than the interference generated by the user equipment in the second user equipment group on the micro cell; During the scheduling period, the uplink data transmission subframe is allocated to the first user equipment group based on the ratio of the number of user equipments in the first user equipment group to the number of user equipments in the second user equipment group. User equipment and user equipment in the second user equipment group.
- the method further includes: the macro base station according to the second user a measurement report reported by each user equipment in the device group, respectively, determining a micro cell corresponding to each user equipment, where each user equipment is at an edge of one or more micro cells; Each of the user equipments is divided into a corresponding group in the second user equipment group, where the micro-region corresponding to each user equipment is in the group Each group is corresponding.
- the macro base station separately divides each user equipment into the second user according to the micro area corresponding to each user equipment
- the group in the device group specifically includes: the macro base station separately dividing each user equipment into the second user equipment group and each user according to the micro area corresponding to each user equipment The micro-cell corresponding to the device - the corresponding ordinary group.
- the macro base station separately divides each user equipment into the second user according to the micro area corresponding to each user equipment
- the group in the device group includes: if the user equipment in the second user equipment group is only at the edge of a single micro cell, the macro base station divides the any user equipment into the second Or a common group corresponding to the single micro cell in the user equipment group; or, if the user equipment is at the edge of at least two micro cells, the macro base station divides any user equipment into The at least two micro cells correspond to a specific group, and the specific group is a group other than the ordinary small group.
- the method further includes: if the specific group corresponding to the at least two micro cells includes only one user equipment, the macro base station divides the user equipment in the specific group into any one of the at least two micro cells In the corresponding ordinary group, and delete the specific group.
- the user equipment is divided into the second user equipment group by the macro base station After the corresponding normal group, the method further includes: if there is a unit group including only one user equipment in the normal group, the macro base station divides the user equipment in the unit group into the first user equipment In the group, and delete the unit group.
- the macro base station allocates an uplink data transmission subframe to the first user equipment After the user equipment in the group and the user equipment in the second user equipment group, the method further includes: the macro base station according to the number of user equipments of each group of the second user equipment group, and the second user The proportion of the number of user equipments in the device group is allocated to the user equipment in each group of the second user equipment group.
- the measuring 4 report is that the user equipment performs measurement and reports according to the measurement configuration, where
- the measurement configuration carries the first co-frequency measurement report event information and the second co-frequency measurement report event Information: when the pilot signal of the micro cell corresponding to the user equipment becomes better, the micro cell triggers the intra-frequency measurement report event, when the pilot signal of the first micro cell becomes worse The micro cell triggers the second intra-frequency measurement report event.
- the macro eNB divides the user equipment into a first user equipment group or a second user equipment group according to the measurement report, specifically including If the measurement report reported by the user equipment is triggered by the first intra-frequency measurement report event, the macro base station divides the user equipment into the second user equipment group; or, if the user equipment The reported measurement report is triggered by the second co-frequency measurement report event, and the macro base station compares the micro cell corresponding to the measurement by the user equipment and the micro cell that triggers the second co-frequency measurement report event Comparing the numbers, wherein the macro base station divides the user equipment into when the number of micro cells corresponding to the user equipment before the measurement is greater than the number of micro cells that trigger the second intra-frequency measurement report event The second user equipment group; the number of micro cells corresponding to the user equipment before the measurement is equal to the triggering the second co-frequency measurement report Event when the number of micro-cell, the macro base station dividing the first user equipment to the user equipment group.
- the macro base station divides the user equipment according to the measurement report reported by the user equipment Before the first user equipment group or the second user equipment group, the method further includes: the macro base station dividing the user equipment into the first user equipment group before acquiring the measurement report reported by the user equipment.
- the macro base station acquires the measurement report reported by the user equipment, including: the macro base station Sending a measurement configuration to the user equipment; the macro base station receives the measurement by the user equipment based on the measurement configuration, and triggers the first intra-frequency measurement report event or the micro-region corresponding to the user equipment The measurement report reported when the second intra-frequency measurement report event is reported.
- the macro base station acquires the measurement report reported by the user equipment, including: the macro base station Receiving a measurement report of the user equipment forwarded by a radio network controller, where The measurement report is measured by the user equipment according to the measurement configuration sent by the radio network controller, and triggers the first co-frequency measurement report event or the second same in a micro cell corresponding to the user equipment.
- the frequency measurement report is reported to the radio network controller.
- the present invention provides an uplink resource allocation system, including: a radio network controller, configured to send a measurement configuration to a user equipment; and configured to receive a measurement report reported by the user equipment, and forward the measurement report For the macro base station, where the measurement report is reported by the user equipment when the first intra-frequency measurement report event or the second co-frequency measurement report event is triggered by the micro-cell corresponding to the user equipment; a macro base station, configured to divide the user equipment into a first user equipment group or a second user equipment group according to the measurement report from the radio network controller, where the user in the second user equipment group The device is located at the edge of the micro cell, and is not in the soft handover area, and is farther away from the macro base station than the user equipment in the first user equipment group; and is based on the user in the first user equipment group in the scheduling period. Allocating an uplink data transmission subframe to the first user equipment group, the ratio of the number of devices to the number of user equipments in the second user equipment group User equipment and the second user
- the macro base station is further configured to: after the user equipment is divided into a second user equipment group, according to each of the second user equipment groups The measurement report reported by the user equipment is respectively determined by the micro cell corresponding to each user equipment, where each user equipment is located at an edge of one or more micro cells; according to the micro cell corresponding to each user equipment Each user equipment is divided into corresponding groups in the second user equipment group, where the micro area corresponding to each user equipment corresponds to each of the groups.
- the macro base station is specifically configured to: separately divide each user equipment according to the micro area corresponding to each user equipment
- the micro cell corresponding to each user device in the second user equipment group is corresponding to an ordinary group.
- the macro base station is specifically configured to: if any user equipment in the second user equipment group is only in a side of a single micro cell The user equipment is divided into the common group corresponding to the single micro cell in the second user equipment group; if the user equipment is at the edge of at least two micro cells, The user equipment is divided into a specific group corresponding to the at least two micro cells, and the specific group is a group other than the ordinary group.
- the macro base station is further configured to: divide the any user equipment into a specific group corresponding to the at least two micro cells Then, if the specific group includes only one user equipment, the user equipment in the specific group is divided into an ordinary group corresponding to any one of the at least two micro cells, and the specific group is deleted. .
- the macro base station is further configured to: divide the user equipment into the After the corresponding normal group in the user equipment group, if there is a unit group including only one user equipment in the normal group, the user equipment in the unit group is divided into the first user equipment group, and deleted. The unit group.
- the macro base station is further configured to: allocate an uplink data transmission subframe to the After the user equipment in the first user equipment group and the user equipment in the second user equipment group, the number of user equipments of each group of the second user equipment group and the users in the second user equipment group The ratio of the number of devices, the uplink data transmission subframe allocated to the second user equipment group is allocated to the user equipment in each group of the second user equipment group.
- the measuring 4 is that the user equipment performs measurement and reports according to the measurement configuration, where The measurement configuration carries the first co-frequency measurement report event information and the second co-frequency measurement report event information; wherein, when the pilot signal of the micro cell corresponding to the user equipment becomes better, the micro cell triggers the The first intra-frequency measurement report event, when the pilot signal of the micro cell is degraded, the micro cell triggers the second co-frequency measurement report event.
- the macro base station Specifically, if the measurement report reported by the user equipment is triggered by the first intra-frequency measurement report event, the user equipment is divided into the second user equipment group; or, if the user equipment reports The measurement report is triggered by the second intra-frequency measurement report event, and the number of micro-cells corresponding to the user equipment before the measurement is compared with the number of micro-regions that trigger the second co-frequency measurement report event, where Deleting the user equipment into the second user equipment group when the number of micro cells corresponding to the user equipment is greater than the number of micro cells that trigger the second intra-frequency measurement report event; The user equipment is divided into the first user equipment group when the number of micro cells corresponding to the measurement by the user equipment is equal to the number of micro cells that trigger the second intra-frequency measurement report event.
- the macro base station is further configured to: in the measurement report reported by the user equipment, the user Before the device is divided into the first user equipment group or the second user equipment group, and before receiving the measurement report by the user equipment, the user equipment is divided into the first user equipment group.
- the present invention provides an uplink resource allocation method, device, system, and macro base station.
- the macro base station divides the user equipment into the first user equipment group or the second user equipment group according to the measurement report reported by the user equipment, and the second user equipment group.
- the user equipment is located at the edge of the micro cell and is not in the soft handover area, and is farther away from the macro base station than the user equipment in the first user equipment group, and is based on the number of user equipments in the first user equipment group and the second user equipment.
- the ratio of the number of user equipments in the group, the uplink data transmission subframe is allocated to the user equipment in the user equipment group and the user equipment in the second user equipment group, so that the macro base station divides the uplink user equipment in the interference microcell Going to the second user equipment group, and deliberately assigning a partial subframe in the uplink data transmission subframe to the second user equipment group, so that the macro base station uplink user equipment that seriously interferes with the micro base station can be in the same subframe.
- the macro base station performs scheduling, and performs interference alignment on the time scale, which reduces serious interference to the micro base station.
- the number of subframes effectively solves the technical problem in the prior art that the macro base station user equipment reduces the uplink capacity of the micro cell due to the uplink interference of the micro cell located near the user equipment of the macro base station, and improves the uplink of the micro base station.
- the overall performance of the user device DRAWINGS
- FIG. 1 is a flowchart of uplink resource allocation according to an embodiment of the present invention
- FIG. 2 is a functional block diagram of a macro base station according to an embodiment of the present invention.
- FIG. 3 is a functional block diagram of an apparatus for uplink resource allocation according to an embodiment of the present invention
- FIG. 4 is a flowchart of a method for uplink resource allocation according to an embodiment of the present invention. detailed description
- An embodiment of the present application provides an uplink resource allocation system.
- the system can have and is not limited to two system architectures.
- the first system architecture which can be a UTMS system.
- the system includes: a radio network controller (RNC, Radio Network Controller), wherein the RNC is configured to send a measurement configuration to the user equipment; and is further configured to receive the measurement report reported by the user equipment, and forward the measurement report to the macro base station.
- RNC Radio Network Controller
- the station is configured to divide the user equipment into the first user equipment group or the second user equipment group according to the measurement report from the RNC, where the user equipment in the second user equipment group is located at the edge of the micro area, and is not in the soft handover
- the area is farther away from the macro base station than the user equipment in the first user equipment group; in the scheduling period, the uplink is allocated based on the ratio of the number of user equipments in the first user equipment group to the number of user equipments in the second user equipment group.
- the data transmission subframe is given to the user equipment in the first user equipment group and the user equipment in the second user equipment group.
- the second system architecture which can be an LTE system.
- the system includes a macro base station.
- the macro base station is configured to send the measurement configuration to the user equipment, and is further configured to receive the measurement report reported by the user equipment, and divide the user equipment into the first user equipment group or the second according to the measurement report from the user equipment.
- a user equipment group where the user equipment in the second user equipment group is located at an edge of the micro cell and is not in the soft handover region, and is farther away from the macro base station than the user equipment in the first user equipment group; Assigning an uplink data transmission subframe to the user equipment in the first user equipment group and the user equipment in the second user equipment group, the ratio of the number of user equipments in the first user equipment group to the number of user equipments in the second user equipment group .
- the measurement device when the measurement device is triggered by the same frequency measurement report event or the second same frequency measurement report event in the corresponding micro cell, if the same frequency measurement report event is not triggered, The user equipment can still report the measurement report of other measurement events periodically or event-triggered. At this time, the macro base station divides the user equipment into the first user equipment group.
- the RNC sends a measurement configuration to an uplink user equipment that accesses the macro base station, that is, a user equipment in a CELL_DCH state, where the measurement configuration carries two intra-frequency measurement 4 advertisement events defined by the RNC.
- the first intra-frequency measurement reports the event LaO and the second co-frequency measurement reports the event Event lb0.
- the Event laO is used to report that a user equipment is changed from the first user equipment group to the second user equipment group
- the Event lbO is used to report that a user equipment is changed from the second user equipment group to the first user equipment group.
- the user equipment in the second user equipment group is farther away from the macro base station than the user equipment in the first user equipment group, and is located at the edge of the micro area and is not in the soft handover area.
- the micro-cell corresponding to all user equipments may not trigger the newly defined intra-frequency measurement report events laO and lbO. Therefore, the macro base station reports the user equipment for the first time. Before the measurement reports for Event laO and Event lbO, all user equipments are divided into the first user equipment group. Then, the user equipment performs measurement according to the foregoing measurement configuration, and reports a measurement report to the RNC, where the measurement report may carry the same-frequency measurement report event information that triggers the same-frequency measurement report event, such as an identifier of the trigger event, to The RNC and the macro base station report the triggering result of the intra-frequency measurement report event.
- the micro cell touches The Event laO of the user equipment is sent.
- the micro cell triggers the Event lbOo of the user equipment.
- the Received Signal Code Power (RSCP) of the Common Pilot Channel (CPICH), or the received energy per chip of the CPICH is divided by the value of the power density in the band, that is, Eb/NO, to indicate the quality of the pilot signal. Then, when RSCP becomes large or Eb NO becomes large, it indicates that the pilot signal becomes good, and when RSCP becomes small or Eb/NO becomes small, it indicates that the pilot signal is deteriorated.
- St is the pilot signal measurement result of the strongest cell in the active centralized signal
- W is the weight coefficient sent by the RNC to the user equipment
- H la Is the difference value for Event laO
- Is the report range constant, and numerically. .
- H lbQ is the hysteresis value for event lbO.
- the RNC forwards the measurement report to the macro base station through the Iub interface.
- the radio network controller may report the first one according to the measurement report.
- the user equipment of the frequency measurement report event notifies that the micro-area does not trigger the first co-frequency measurement of the user equipment before the micro-area triggering the first intra-frequency measurement report event triggers the second-frequency measurement report event of the user equipment.
- the other microcells can still trigger their first co-frequency measurement report, and the user equipment reporting the second co-frequency measurement report event triggers the user equipment by triggering the second intra-frequency measurement reporting event in the micro-region Before the first intra-frequency measurement report event, the micro-cell no longer triggers the second intra-frequency measurement report event of the user equipment, and other micro-cells can still trigger the second co-frequency measurement report event.
- the micro cell a triggers the event laO of the user equipment A. Then, before the micro area a triggers the event IbO of the user equipment A, the event laO of the user equipment A cannot be triggered again. Only the micro area a triggers the user equipment A. After the Event IbO, the micro area a can re-trigger the event la0 of the user equipment A.
- the micro cell b triggers the Event IbO of the user equipment A, wherein when the measurement configuration is just started, the micro area cannot trigger the Event IbO, and only the micro area triggered by the Event laO can trigger the corresponding Event IbO, then, Before the micro cell b triggers the event laO of the user equipment A, the event IbO of the user equipment A cannot be triggered again. Only after the micro area b triggers the event laO of the user equipment A, the micro area b can re-trigger the event of the user equipment A. lbO, event triggers between different cells are independent of each other and do not affect each other.
- the macro base station divides the user equipment into the first user equipment group or the second user equipment group according to the measurement report from the RNC.
- the measurement report if the measurement report reported by the user equipment is triggered by the same frequency measurement report event, the measurement report carries the micro cell identifier and the first co-frequency measurement report event information.
- the macro base station divides the user equipment into the second user equipment group when the number of micro cells corresponding to the user equipment before the measurement is greater than the number of micro cells that trigger the second intra-frequency measurement report event; When the number of cells is equal to the number of micro cells that trigger the second intra-frequency measurement report event, the macro base station divides the user equipment into the first user equipment group.
- the user equipment A is at the edge of the micro cells a and b before reporting the measurement report, and is the high interference user equipment of the two cells, that is, the user equipment A corresponds to the micro cells a and b, then, if the macro base station receives
- the high-interference user number device that is, the number of micro-cells corresponding to the user equipment A before the measurement is greater than the number of micro-regions that trigger the second intra-frequency measurement report event, at this time, the macro base station still divides the user equipment A into the second user.
- the macro base station apparatus A will be divided into a first user group of user equipments.
- the macro base station allocates an uplink data transmission subframe to the first user based on the ratio of the number of user equipments in the first user equipment group to the number of user equipments in the second user equipment group.
- User equipment in the equipment group and user equipment in the second user equipment group are assigned to the macro base station.
- the k + 1 row data transmission subframe is allocated to the user equipment in the first user equipment group, and 1 N uplink data is transmitted.
- the input subframe is allocated to the user equipment in the second user equipment group, where N is a positive integer and k is greater than or equal to zero.
- the macro base station schedules the user equipments in the first user equipment group and the second user equipment group according to a certain scheduling rule, such as a rotation training schedule. Further, after the macro base station divides the user equipment into two large groups, that is, the first user equipment group and the second user equipment group, since a plurality of micro cells may appear in the coverage of the macro base station, the macro base station according to the second user equipment
- the measurement report reported by each user equipment in the group determines the micro cell corresponding to each user equipment, where each user equipment is at the edge of one or more micro cells; according to the micro cell corresponding to each user equipment, Each user equipment is divided into corresponding groups in the second user equipment group, where the micro area corresponding to each user equipment corresponds to each group in the group.
- the user equipment in the second user equipment group is located at the edge of the micro cell, and the macro eNodeB can determine which one of the user equipments is located according to the micro base station reported by the user equipment in the second user equipment group.
- the one or more micro cells are micro cells corresponding to the user equipment.
- the macro base station can group the second user equipment into groups according to the micro cell corresponding to each user equipment.
- the foregoing group may be configured to implement the macro base station according to the number of micro cells in the coverage area, or may be dynamically generated according to the user equipment measurement report, which is not specifically limited in this application.
- each user equipment in the second user equipment group, each user equipment may correspond to only one micro area, and then the macro base station separately divides each user equipment into the second user equipment according to the micro area corresponding to each user equipment.
- the user equipment 1 is at the edge of the micro area a
- the user equipment 2 is at the edge of the micro area b
- the user equipment 3 is at the edge of the micro area a
- the user equipment 4 is at the edge of the micro area c.
- the macro base station divides the user equipment 1 and the user equipment 3 into the normal group a corresponding to the micro area a, and the user equipment 2 is divided into the ordinary group b corresponding to the micro area b, and the user equipment 4 is divided into the micro area c corresponding.
- Ordinary group c is
- the macro base station divides any user equipment into an ordinary group corresponding to a single micro cell in the second user equipment group. If any user equipment is at the edge of at least two micro cells, the macro base station will use either The household device is divided into a specific group corresponding to at least two micro cells, and the specific group is a group other than the ordinary group.
- the user equipment 1 is at the edge of the micro area a
- the user equipment 2 is at the edge of the micro area b
- the user equipment 3 is at the edge of the micro area c
- f the user equipment 4 is in the micro area d.
- the macro base station divides the user equipment 1 into the normal group a corresponding to the micro area a
- the user equipment 2 is divided into the ordinary group b corresponding to the micro area b
- the user equipment 3 is divided into the micro area.
- the specific group cf corresponding to c and f the user equipment 4 is divided into a specific group df corresponding to the micro areas d and f.
- the macro base station After the macro base station completes the division of the group, in order to optimize the packet, in the foregoing second case, if the specific group includes only one user equipment, the macro base station divides the user equipment in the specific group into at least two micro cells. In the ordinary group corresponding to any micro area, and delete the specific group.
- the macro base station divides all user equipments and groups, if the specific group cf includes only the user equipment 3 that is at the edge of the micro cell c and the micro cell f, the macro base station divides the user equipment 3 into micro cells. c corresponds to the ordinary group c or the ordinary group f corresponding to the micro area f, and then deletes the specific group cf.
- the macro base station may further divide the user equipment into the ordinary group in the second user equipment group, if There is a unit group containing only one user device in the group, the user equipment in the unit group is divided into the first user equipment group, and the unit group is deleted.
- the macro base station divides all user equipments and groups
- the ordinary group a is a unit group
- the macro base station divides the user equipment 1 in the group into one.
- the user device group then delete the normal group a.
- the macro base station completes the group division of the user equipment.
- the macro base station allocates an uplink data transmission subframe to each group.
- the root assigning an uplink data transmission subframe allocated to the second user equipment group to each of the second user equipment group according to a ratio of the number of user equipments of each group of the second user equipment group to the number of user equipments in the second user equipment group User equipment within the group.
- the macro base station may divide the uplink data transmission subframe into a normal subframe and a high interference subframe.
- the macro base station determines a pattern of the normal subframe and the high interference subframe, as set for each scheduling.
- the previous sub-frame is a high-interference sub-frame, and the latter sub-frame is a normal sub-frame.
- the ratio and pattern of the normal sub-frame and the high-interference sub-frame are sent to the RNC through the Iub interface.
- the RNC then passes the ratio and the pattern.
- the Iub interface is sent to the corresponding micro base station.
- the macro base station allocates X uplink data transmission subframes to the Y user equipments in the second user equipment group, and the normal user group a in the second user equipment group includes S user equipments, then the macro base station will perform NS uplinks.
- the data transmission subframe is allocated to the user equipment in the normal group a.
- the macro base station may schedule the user equipment in each packet on the corresponding uplink data transmission subframe according to a preset scheduling rule.
- the macro base station divides the user equipment into the first user equipment group or the second user equipment group according to the measurement report reported by the user equipment, and the user equipment in the second user equipment group is more than the user equipment in the first user equipment group.
- the device is far away from the macro base station, and is located at the edge of the micro cell, and is not in the soft handover area, and allocates uplink data transmission based on the ratio of the number of user equipments in the first user equipment group to the number of user equipments in the second user equipment group.
- the subframe is sent to the user equipment in the first user equipment group and the user equipment in the second user equipment group, so that the macro base station divides the uplink user equipment that interferes with the micro area into the second user equipment group, and intentionally transmits the uplink data.
- a part of the subframes in the subframe is allocated to the second user equipment group, so that the macro base station uplink user equipment that causes serious interference to the micro base station can be scheduled by the macro base station in the same subframe, and the interference alignment is performed on the time scale.
- the uplink interference to the macro base station is located in the micro-cell user equipment uplink capacity decreases microcell technical problems, to enhance the overall performance of the micro base station the uplink user equipment.
- the present application further provides a macro base station, which may be a macro base station in a UTMS system, a macro base station in an LTE system, or a macro in other systems.
- the base station is not specifically limited in this application.
- the macro base station includes: a receiver 201, configured to receive a measurement report reported by the user equipment, and a processor 202, configured to divide the user equipment into the first user equipment group or the first according to the measurement report reported by the user equipment.
- a user equipment group where the user equipment in the second user equipment group is located at the edge of the micro cell and is not in the soft handover area, and is farther away from the macro base station than the user equipment in the first user equipment group;
- the uplink data transmission subframe is allocated to the user equipment and the second user equipment group in the first user equipment group based on the ratio of the number of user equipments in the first user equipment group to the number of user equipments in the second user equipment group. User equipment within.
- the measurement configuration is sent by the RNC to each user equipment, and the measurement configuration carries the same-frequency measurement report event information and the second intra-frequency measurement report event information defined by the RNC;
- the micro cell triggers an intra-frequency measurement report event
- the pilot signal of the micro cell becomes worse
- the micro cell triggers the second co-frequency measurement report event.
- the measurement report is reported to the RNC, and the measurement report is forwarded by the RNC to the receiver 201 through the Iub interface.
- the micro cell when the pilot signal of the micro cell corresponding to the user equipment is good to a certain extent, that is, when the formula (1) is satisfied, the micro cell triggers the event la0 of the user equipment.
- the pilot signal of the micro cell corresponding to the user equipment is different to a certain extent, that is, when the formula (2) is satisfied, the micro cell triggers the Event lb0 of the user equipment.
- the macro base station may further include a transmitter, configured to send a measurement configuration to the user equipment, so that the user equipment can perform measurement based on the measurement configuration, and trigger the first in the micro area corresponding to the user equipment.
- the intra-frequency measurement report event in the measurement configuration is defined by the macro base station. Then, after the measurement is completed, the user equipment reports the measurement report to the macro base station, that is, to the receiver 201.
- the processor 202 is specifically configured to: if the measurement report reported by the user equipment is triggered by the first intra-frequency measurement report event, the user equipment is divided into the second user equipment group; or, if the measurement report reported by the user equipment Is triggered by the second co-frequency measurement report event, and the user equipment is measured.
- the number of micro cells corresponding to the quantity is compared with the number of micro cells that trigger the second co-frequency measurement report event, wherein the number of micro cells corresponding to the second device is smaller than the micro cell that triggers the second co-frequency measurement report event.
- the user equipment is divided into the second user equipment group; when the number of micro cells corresponding to the second intra-frequency measurement report event is equal to the number of micro-regions that trigger the second intra-frequency measurement report event, the user equipment is divided into the first user equipment. group.
- the processor 202 is further configured to: before the macro base station divides the user equipment into the first user equipment group or the second user equipment group according to the measurement report reported by the user equipment, and before receiving the measurement report by the user equipment, The user equipment is divided into a first user equipment group.
- the processor 202 is further configured to: after the user equipment is divided into the second user equipment group, determine, according to the measurement report reported by each user equipment in the second user equipment group, each user equipment is correspondingly determined.
- Each of the user equipments is located at an edge of one or more micro-areas; each user equipment is respectively divided into corresponding groups in the second user equipment group according to the micro-region corresponding to each user equipment, where The microcell corresponding to each user equipment corresponds to each of the groups in the group.
- the processor 202 is specifically configured to: divide each user equipment into an ordinary group corresponding to the micro area corresponding to each user equipment in the second user equipment group according to the micro area corresponding to each user equipment. .
- the processor 202 is specifically configured to: if any user equipment in the second user equipment group is only at the edge of a single micro cell, divide any user equipment into a second user equipment group and a single micro cell. Corresponding ordinary group; if any user equipment is at the edge of at least two micro cells, any user equipment is divided into a specific group corresponding to at least two micro cells, and the specific group is a group other than the ordinary group.
- the processor 202 is further configured to: after dividing any user equipment into a specific group corresponding to the at least two micro cells, if the specific group includes only one user equipment, the user equipment in the specific group is divided. Go to the normal group corresponding to any of the at least two micro cells, and delete the specific group.
- the processor 202 is further configured to: divide the user equipment into the second user equipment group After the normal group, if there is a unit group containing only one user equipment in the ordinary group, the user equipment in the unit group is divided into the first user equipment group, and the unit group is deleted.
- the processor 202 is further configured to: after allocating the uplink data transmission subframe to the user equipment in the first user equipment group and the user equipment in the second user equipment group, according to each group of the second user equipment group The ratio of the number of user equipments to the number of user equipments in the second user equipment group is allocated to the user equipments in the groups of the second user equipment group.
- the embodiment further provides a radio network controller, including: a transmitter, configured to send a measurement configuration to the user equipment, where the measurement configuration carries the first co-frequency measurement report event information and the second The same frequency measurement report event information, when the pilot signal of the micro cell corresponding to the user equipment becomes better, the micro cell triggers the first co-frequency measurement report event, and when the pilot signal of the micro cell becomes worse, the micro cell triggers the second The same frequency measurement report event; is also used to forward the measurement report reported by the user equipment according to the measurement configuration to the macro base station; and the receiver is configured to receive the measurement report.
- a radio network controller including: a transmitter, configured to send a measurement configuration to the user equipment, where the measurement configuration carries the first co-frequency measurement report event information and the second The same frequency measurement report event information, when the pilot signal of the micro cell corresponding to the user equipment becomes better, the micro cell triggers the first co-frequency measurement report event, and when the pilot signal of the micro cell becomes worse, the micro cell triggers the second The same frequency measurement report event;
- the radio network controller may report the first co-frequency measurement according to the measurement report.
- the user equipment reporting the event notifies that the micro-area does not trigger the first co-frequency measurement report event of the user equipment before triggering the second intra-frequency measurement report event of the user equipment triggering the first intra-frequency measurement report event.
- the other micro cell can still trigger its first co-frequency measurement report, and notify the user equipment reporting the second co-frequency measurement report event that the first device triggering the second co-frequency measurement report event triggers the first of the user equipment.
- the micro cell no longer triggers the second co-frequency measurement report event of the user equipment, and the other micro cells can still trigger the second co-frequency measurement report event.
- the various changes and specific examples in the uplink resource allocation system in the foregoing embodiments are also suitable.
- the foregoing describes the implementation method of the radio network controller in this embodiment by using the foregoing detailed description of the uplink resource allocation system, so This is not detailed.
- the embodiment further provides a user equipment, including: a receiver, configured to receive a measurement configuration sent by a network side, where the measurement configuration carries a first co-frequency measurement event event information and a The same frequency measurement report event information, when the pilot signal of the micro cell corresponding to the user equipment becomes better, the micro cell triggers the first co-frequency measurement event, and when the pilot signal of the micro cell becomes worse, the micro cell Triggering a second intra-frequency measurement report event; the transmitter is configured to perform measurement according to the measurement configuration, and when the micro-cell triggers the first first co-frequency measurement report event and/or the second co-frequency measurement report event Measurement report on the network side.
- a user equipment including: a receiver, configured to receive a measurement configuration sent by a network side, where the measurement configuration carries a first co-frequency measurement event event information and a The same frequency measurement report event information, when the pilot signal of the micro cell corresponding to the user equipment becomes better, the micro cell triggers the first co-frequency measurement event, and when the pilot signal of the micro
- the network on the network side for different system architectures may include different network side devices.
- the network side includes at least the RNC and the macro base station
- the network side includes at least the macro base station.
- the RNC is configured to send the measurement configuration to the user equipment; after the user equipment completes the measurement, the measurement report is reported to the RNC, and the RNC forwards the measurement report to the macro base station.
- the macro base station is configured to send the measurement configuration to the user equipment; after the user equipment completes the measurement, the measurement report is directly reported to the macro base station.
- the process of reporting the measurement by the user equipment may also be other situations, which is not specifically limited in this application.
- the present embodiment further provides an uplink resource allocation apparatus, which may be set in a macro base station of the UTMS system, or may be set in a macro base station of the LTE system, and the application is not specifically limited.
- the apparatus specifically includes: a user equipment grouping module 301, configured to set according to a user.
- the user equipment is divided into the first user equipment group or the second user equipment group, where the user equipment in the second user equipment group is located at the edge of the micro area, and is not in the soft handover area, and is smaller than the first
- the user equipment in the user equipment group is far from the macro base station
- the uplink resource allocation module 302 is configured to: based on the ratio of the number of user equipments in the first user equipment group to the number of user equipments in the second user equipment group in the scheduling period And allocating an uplink data transmission subframe to the user equipment in the first user equipment group and the user equipment in the second user equipment group.
- the apparatus may further include: a receiving module, configured to: after the user equipment grouping module divides the user equipment into the first user equipment group or the second user equipment group according to the measurement report reported by the user equipment, the receiving is forwarded by the RNC The measurement report of the user equipment, wherein the measurement report is measured by the user equipment according to the measurement configuration sent by the radio network controller, and the first intra-frequency measurement report event or the second co-frequency measurement report is triggered in the micro-cell corresponding to the user equipment. The event is reported to the radio network controller.
- a receiving module configured to: after the user equipment grouping module divides the user equipment into the first user equipment group or the second user equipment group according to the measurement report reported by the user equipment, the receiving is forwarded by the RNC The measurement report of the user equipment, wherein the measurement report is measured by the user equipment according to the measurement configuration sent by the radio network controller, and the first intra-frequency measurement report event or the second co-frequency measurement report is triggered in the micro-cell corresponding to the user equipment. The event is reported to the radio
- the device further includes: a measurement configuration module, configured to: before the user equipment grouping unit divides the user equipment into the first user equipment group or the second user equipment group, before the user equipment grouping module according to the measurement report reported by the user equipment Sending a measurement configuration; receiving a measurement report that is measured by the user equipment based on the measurement configuration and is triggered when the first intra-frequency measurement 4 alarm event or the second co-frequency measurement report event is triggered in the micro-cell corresponding to the user equipment.
- a measurement configuration module configured to: before the user equipment grouping unit divides the user equipment into the first user equipment group or the second user equipment group, before the user equipment grouping module according to the measurement report reported by the user equipment Sending a measurement configuration; receiving a measurement report that is measured by the user equipment based on the measurement configuration and is triggered when the first intra-frequency measurement 4 alarm event or the second co-frequency measurement report event is triggered in the micro-cell corresponding to the user equipment.
- the micro cell when the pilot signal of the micro cell corresponding to the user equipment is good to a certain extent, that is, when the formula (1) is satisfied, the micro cell triggers the first user equipment. Frequency measurement reports events.
- the pilot signal of the micro cell corresponding to the user equipment is different to a certain extent, that is, when the formula (2) is satisfied, the micro cell triggers the second intra-frequency measurement report event of the user equipment.
- the receiving module or the measurement configuration module may notify the user equipment that reports the Event laO to trigger the Event laO according to the measurement report after receiving the above measurement report.
- the micro cell Before the micro cell triggers the Event lbO of the user equipment, the micro cell no longer triggers the Event laO of the user equipment, other micro cells can still trigger its Event laO, and the user equipment reporting Event lbO passes its Event lbO.
- Micro cell touch Before sending the Event laO of the user equipment, the micro area no longer triggers the Event IbO of the user equipment, and other micro areas can still trigger its Event lbOo.
- the micro cell a triggers the event laO of the user equipment A. Then, before the micro area a triggers the event IbO of the user equipment A, the event laO of the user equipment A cannot be triggered again. Only the micro area a triggers the user equipment A. After the Event IbO, the micro area a can re-trigger the user equipment A Event laO.
- the micro cell b triggers the Event IbO of the user equipment A, wherein when the measurement configuration is just started, the micro area cannot trigger the Event IbO, and only the micro area triggered by the Event laO can trigger the corresponding Event IbO, then, Before the micro cell b triggers the event laO of the user equipment A, the event IbO of the user equipment A cannot be triggered again. Only after the micro area b triggers the event laO of the user equipment A, the micro area b can re-trigger the event of the user equipment A. lbO, events between different £cells are triggered independently of each other and do not affect each other.
- the user equipment grouping module 301 is specifically configured to: if the measurement report reported by the user equipment is triggered by the first intra-frequency measurement report event, the user equipment is divided into the second user equipment group; or, if the user equipment reports The measurement report is triggered by the triggering of the second intra-frequency measurement report event, and the number of micro-cells corresponding to the measurement performed by the user equipment is compared with the number of micro-regions that trigger the second intra-frequency measurement report event, wherein, when the user equipment The macro base station divides the user equipment into the second user equipment group when the number of micro cells corresponding to the measurement is greater than the number of micro cells that trigger the second intra-frequency measurement report event; the number of micro cells corresponding to the user equipment before the measurement is equal to When the number of micro cells of the second intra-frequency measurement report event is triggered, the macro base station divides the user equipment into the first user equipment group.
- the user equipment grouping module 301 is further configured to: before the macro base station divides the user equipment into the first user equipment group or the second user equipment group according to the measurement report reported by the user equipment, and first receives the user equipment Before the measurement report is reported, the user equipment is divided into the first user equipment group.
- the user equipment grouping module 301 specifically includes: a micro cell determining module, configured to perform, according to the measurement reported by each user equipment in the second user equipment group, after the user equipment grouping module divides the user equipment into the second user equipment group Reporting, respectively, determining microcells corresponding to each user equipment, where each user equipment is at the edge of one or more microcells; Each user equipment is divided into corresponding groups in the second user equipment group according to the micro area corresponding to each user equipment, where the micro area corresponding to each user equipment corresponds to each group in the group.
- the grouping module is specifically configured to: divide each user equipment into an ordinary group corresponding to the micro area corresponding to each user equipment in the second user equipment group according to the micro area corresponding to each user equipment.
- the grouping module is specifically configured to: if any user equipment in the second user equipment group is only at the edge of a single micro cell, divide any user equipment into a second user equipment group and a single micro cell.
- the macro base station divides any user equipment into a specific group corresponding to at least two micro cells, and the specific group is a group other than the ordinary group.
- the user equipment grouping module 301 further includes: a group optimization module, configured to: after the group grouping module divides any user equipment into a specific group corresponding to the at least two micro cells, if the specific group includes only one user equipment, The user equipment in a specific group is divided into an ordinary group corresponding to any one of the at least two micro cells, and the specific group is deleted.
- a group optimization module configured to: after the group grouping module divides any user equipment into a specific group corresponding to the at least two micro cells, if the specific group includes only one user equipment, The user equipment in a specific group is divided into an ordinary group corresponding to any one of the at least two micro cells, and the specific group is deleted.
- the group optimization module is further configured to: after the group grouping module divides the user equipment into the corresponding common group in the second user equipment group, if there is a unit group including only one user equipment in the ordinary group, the unit is The user equipment in the group is divided into the first user equipment group, and the unit group is deleted.
- the uplink resource allocation module 302 specifically includes: a group resource allocation module, configured to: after the uplink resource allocation module allocates the uplink data transmission subframe to the user equipment in the first user equipment group and the user equipment in the second user equipment group, And assigning an uplink data transmission subframe allocated to the second user equipment group to the second user equipment group according to a ratio of the number of user equipments of each group of the second user equipment group to the number of user equipments in the second user equipment group User equipment within each group.
- a group resource allocation module configured to: after the uplink resource allocation module allocates the uplink data transmission subframe to the user equipment in the first user equipment group and the user equipment in the second user equipment group, And assigning an uplink data transmission subframe allocated to the second user equipment group to the second user equipment group according to a ratio of the number of user equipments of each group of the second user equipment group to the number of user equipments in the second user equipment group User equipment within each group.
- the present embodiment further provides a method for allocating an uplink resource, which may be applied to a UTMS system or an LTE system, and may be a system of other architectures, which is not specifically limited in this application.
- the method includes:
- the macro base station acquires a measurement report reported by the user equipment.
- the macro base station divides the user equipment into the first user equipment group or the second user equipment group according to the measurement report reported by the user equipment, where the user equipment in the second user equipment group is located at the edge of the micro area, and is not in the soft Switching the area, and being farther away from the macro base station than the user equipment in the first user equipment group;
- the macro base station allocates an uplink data transmission subframe to the user equipment in the first user equipment group based on a ratio of the number of user equipments in the first user equipment group to the number of user equipments in the second user equipment group in the scheduling period. And user equipment within the second user equipment group.
- the S401 is specifically: the macro base station sends a measurement configuration to the user equipment; the macro base station receives the measurement report that is measured and reported by the user equipment based on the measurement configuration.
- the S401 specifically includes: the macro base station receives the measurement report of the user equipment forwarded by the RNC, where the measurement report is measured by the user equipment according to the measurement configuration sent by the RNC and reported to the RNC.
- the foregoing measurement report is measured by the user equipment according to the measurement configuration, and the measurement configuration carries the first co-frequency measurement report event information and the second co-frequency measurement report event information; wherein, when the device is related to the user equipment When the pilot signal of the micro cell becomes better, the micro cell triggers the first co-frequency measurement report event, and when the pilot signal of the first micro cell becomes worse, the micro cell triggers the second co-frequency measurement report event.
- the micro cell when the pilot signal of the micro cell corresponding to the user equipment is good to a certain extent, that is, when the formula (1) is satisfied, the micro cell triggers the event laO of the user equipment, correspondingly, when corresponding to the user equipment
- the pilot signal of the zone is different to a certain extent, that is, when the formula (2) is satisfied, the micro zone triggers the Event lbOo of the user equipment.
- the RNC or the macro base station may notify the user equipment that reports the Event laO according to the measurement report, and trigger the micro area of the Event laO.
- the micro cell Before the Event IbO of the user equipment is triggered, the micro cell no longer triggers the Event laO of the user equipment, other micro cells can still trigger its Event laO, and the user equipment reporting Event IbO passes through the micro cell that triggers its Event IbO. Before the Event laO of the user equipment is triggered, the micro cell no longer triggers the Event IbO of the user equipment, and other micro cells can still trigger its Event lb0.
- the micro cell a triggers the event laO of the user equipment A. Then, before the micro area a triggers the event IbO of the user equipment A, the event laO of the user equipment A cannot be triggered again. Only the micro area a triggers the user equipment A. After the Event IbO, the micro area a can re-trigger the event la0 of the user equipment A.
- the micro cell b triggers the Event IbO of the user equipment A, wherein when the measurement configuration is just started, the micro area cannot trigger the Event IbO, and only the micro area triggered by the Event laO can trigger the corresponding Event IbO, then, Before the micro cell b triggers the event laO of the user equipment A, the event IbO of the user equipment A cannot be triggered again. Only after the micro area b triggers the event laO of the user equipment A, the micro area b can re-trigger the event of the user equipment A. lbO, event triggers between different cells are independent of each other and do not affect each other.
- the S402 may be specifically: if the measurement report reported by the user equipment is triggered by the first intra-frequency measurement report event, the macro base station divides the user equipment into the second user equipment group; or, if the measurement report reported by the user equipment is When the second intra-frequency measurement report event is triggered, the macro base station compares the number of micro-cells corresponding to the measurement by the user equipment to the micro-region that triggers the second intra-frequency measurement report event, where the user equipment performs the measurement before When the number of corresponding micro cells is greater than the number of micro cells that trigger the second intra-frequency measurement report event, the macro base station divides the user equipment into the second user equipment group; the number of micro cells corresponding to the user equipment before the measurement is equal to triggering the second When the frequency measurement reports the number of micro-zones of the event, the macro base station divides the user equipment into the first user equipment group.
- the method further includes: the macro base station dividing the user equipment into the first user equipment group before receiving the measurement report by the user equipment. .
- the macro base station allocates an uplink data transmission subframe to the user equipment in the first user equipment group based on a ratio of the number of user equipments in the first user equipment group to the number of user equipments in the second user equipment group in the scheduling period. And user equipment within the second user equipment group.
- the method further includes: The station determines, according to the measurement report reported by each user equipment in the second user equipment group, the micro cell corresponding to each user equipment, where each user equipment is at the edge of one or more micro cells; Each of the user equipments is divided into corresponding groups in the second user equipment group, and the micro areas corresponding to each user equipment correspond to each group in the group.
- the macro base station determines, according to the measurement report reported by each user equipment in the second user equipment group, the micro cell corresponding to each user equipment, where each user equipment is at the edge of one or more micro cells. According to the micro cell corresponding to each user equipment, each user equipment is respectively divided into corresponding groups in the second user equipment group, wherein the micro area corresponding to each user equipment corresponds to each group in the group.
- the user equipment in the second user equipment group is located at the edge of a micro cell, and the macro eNodeB can determine which of the user equipments is located according to the micro base station reported by the user equipment in the second user equipment group.
- the one or more micro cells are micro cells corresponding to the user equipment.
- the macro base station can group the second user equipment into groups according to the micro cell corresponding to each user equipment.
- the foregoing group may be configured to implement the macro base station according to the number of micro cells in the coverage area, or may be dynamically generated according to the measurement report of the user equipment, which is not specifically limited in this application. .
- each user equipment may correspond to only one micro area, and then the macro base station separately divides each user equipment into the second user equipment according to the micro area corresponding to each user equipment.
- An ordinary group of micro-zones corresponding to each user equipment in the group Medium is not limited to the following two cases.
- the user equipment 1 is at the edge of the micro area a
- the user equipment 2 is at the edge of the micro area b
- the user equipment 3 is at the edge of the micro area a
- the user equipment 4 is at the edge of the micro area c.
- the macro base station divides the user equipment 1 and the user equipment 3 into the normal group a corresponding to the micro area a
- the user equipment 2 is divided into the ordinary group b corresponding to the micro area b
- the user equipment 4 is divided into the micro area c corresponding.
- Ordinary group c is
- the macro base station divides any user equipment into an ordinary group corresponding to a single micro cell in the second user equipment group. If any user equipment is at the edge of at least two micro cells, the macro base station divides any user equipment into a specific group corresponding to at least two micro cells, and the specific group is a group other than the ordinary group.
- the user equipment 1 is at the edge of the micro area a
- the user equipment 2 is at the edge of the micro area b
- the user equipment 3 is at the edge of the micro area c
- f the user equipment 4 is in the micro area d.
- the macro base station divides the user equipment 1 into the normal group a corresponding to the micro area a
- the user equipment 2 is divided into the ordinary group b corresponding to the micro area b
- the user equipment 3 is divided into the micro area.
- the specific group cf corresponding to c and f divides the user equipment 4 into a specific group df corresponding to the micro areas d and f.
- the macro base station After the macro base station completes the division of the group, in order to optimize the packet, in the second case, if the specific group contains only one user equipment, the macro base station divides the user equipment in the specific group into at least two micro cells. In any ordinary group corresponding to any micro area, and delete the specific group.
- the macro base station divides all user equipments and groups, if the specific group cf includes only the user equipment 3 that is at the edge of the micro area c and the micro area f, the macro base station divides the user equipment 3 into the micro area c. Corresponding to the ordinary group c or the ordinary group f corresponding to the micro area f, and then deleting the specific group cf.
- the macro base station may further divide the user equipment in the unit group into the first user after the user equipment is divided into the normal group in the second user equipment group, if there is a unit group containing only one user equipment in the ordinary group In the device group, and delete the unit group.
- the macro base station divides all user equipments and groups, if the normal group a contains only the user equipment 1, then the ordinary group a is the unit group, and the macro base station divides the user equipment 1 in the group into the first In a user device group, then delete the normal group a.
- the macro base station completes the group division of the user equipment.
- the uplink resource needs to be further allocated to each group in the second user equipment group.
- the method further includes: the macro base station according to the number of user equipments of each group of the second user equipment group and the second user The proportion of the number of user equipments in the device group is allocated to the user equipment in each group of the second user equipment group.
- the present invention provides an uplink resource allocation method, device, system, and macro base station, and the macro base station uses the user equipment according to the measurement report reported by the user equipment.
- the user equipment in the second user equipment group is farther from the macro base station than the user equipment in the first user equipment group, and is located at the edge of the micro area, and is not in soft handover.
- the area and based on the ratio of the number of user equipments in the first user equipment group to the number of user equipments in the second user equipment group, allocate an uplink data transmission subframe to the user equipment and the second user equipment group in the first user equipment group.
- the macro base station divides the uplink user equipment that interferes with the micro cell into the second user equipment group, and deliberately allocates some subframes in the uplink data transmission subframe to the second user equipment group, so that the micro-base station
- the macro base station uplink user equipment that generates serious interference from the base station can be scheduled by the macro base station in the same subframe.
- Thousands were aligned in time scrambling this scale, the micro base station to reduce the generation of severe interference The number of subframes effectively solves the technical problem that the macro base station user equipment reduces the uplink capacity of the micro cell due to the uplink interference of the macro base station user equipment to the micro cell located near the user equipment of the macro base station, and improves the uplink user of the micro base station.
- the overall performance of the device is dividing the uplink user equipment that interferes with the micro cell into the second user equipment group, and deliberately allocates some subframes in the uplink data transmission subframe to the second user equipment group, so that the micro-base station
- embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware. Moreover, the invention can be embodied in the form of one or more computer program products embodied on a computer-usable storage medium (including but not limited to disk storage, CD-ROM, optical storage, etc.) in which computer usable program code is embodied.
- a computer-usable storage medium including but not limited to disk storage, CD-ROM, optical storage, etc.
- the computer program instructions can also be stored in a computer readable memory that can operate in a particular manner by a computer or other programmable data processing device, such that instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
- the instruction device implements the functions specified in one or more blocks of the flowchart or in a flow or block of the flowchart.
- These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device
- the instructions provide steps for implementing the functions specified in a block or blocks of a flow or a flow and/or a block diagram of a flowchart.
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Abstract
Description
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Priority Applications (6)
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JP2016543077A JP2017501635A (ja) | 2013-12-25 | 2013-12-25 | アップリンクリソースを割り当てる方法及び装置並びにマクロ基地局 |
CN201380002546.4A CN105009668A (zh) | 2013-12-25 | 2013-12-25 | 一种上行资源分配的方法、装置及宏基站 |
KR1020167019983A KR20160101185A (ko) | 2013-12-25 | 2013-12-25 | 업링크 자원을 할당하기 위한 방법 및 장치, 그리고 매크로 기지국 |
EP13900162.2A EP3079426A4 (en) | 2013-12-25 | 2013-12-25 | Method and apparatus for allocating uplink resource, and macro base station |
PCT/CN2013/090466 WO2015096073A1 (zh) | 2013-12-25 | 2013-12-25 | 一种上行资源分配的方法、装置及宏基站 |
US15/192,012 US20160309458A1 (en) | 2013-12-25 | 2016-06-24 | Method and apparatus for allocating uplink resource, and macro base station |
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PCT/CN2013/090466 WO2015096073A1 (zh) | 2013-12-25 | 2013-12-25 | 一种上行资源分配的方法、装置及宏基站 |
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US15/192,012 Continuation US20160309458A1 (en) | 2013-12-25 | 2016-06-24 | Method and apparatus for allocating uplink resource, and macro base station |
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US (1) | US20160309458A1 (zh) |
EP (1) | EP3079426A4 (zh) |
JP (1) | JP2017501635A (zh) |
KR (1) | KR20160101185A (zh) |
CN (1) | CN105009668A (zh) |
WO (1) | WO2015096073A1 (zh) |
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CN105979595A (zh) * | 2016-06-20 | 2016-09-28 | 上海华为技术有限公司 | 无线资源的配置方法及装置 |
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US10849180B2 (en) | 2018-12-04 | 2020-11-24 | T-Mobile Usa, Inc. | Dynamic spectrum sharing in 4G and 5G |
CN112436917B (zh) * | 2020-11-23 | 2023-09-15 | 北京中航通用科技有限公司 | 一种数据传输的方法及装置 |
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- 2013-12-25 EP EP13900162.2A patent/EP3079426A4/en not_active Withdrawn
- 2013-12-25 KR KR1020167019983A patent/KR20160101185A/ko active IP Right Grant
- 2013-12-25 JP JP2016543077A patent/JP2017501635A/ja active Pending
- 2013-12-25 WO PCT/CN2013/090466 patent/WO2015096073A1/zh active Application Filing
- 2013-12-25 CN CN201380002546.4A patent/CN105009668A/zh active Pending
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KR20160101185A (ko) | 2016-08-24 |
CN105009668A (zh) | 2015-10-28 |
EP3079426A4 (en) | 2017-03-08 |
JP2017501635A (ja) | 2017-01-12 |
US20160309458A1 (en) | 2016-10-20 |
EP3079426A1 (en) | 2016-10-12 |
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