WO2014089750A1 - Procédé d'attribution de porteuse, équipement d'utilisateur et station de base - Google Patents

Procédé d'attribution de porteuse, équipement d'utilisateur et station de base Download PDF

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Publication number
WO2014089750A1
WO2014089750A1 PCT/CN2012/086332 CN2012086332W WO2014089750A1 WO 2014089750 A1 WO2014089750 A1 WO 2014089750A1 CN 2012086332 W CN2012086332 W CN 2012086332W WO 2014089750 A1 WO2014089750 A1 WO 2014089750A1
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WIPO (PCT)
Prior art keywords
carrier
base station
node
pattern
reference signal
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PCT/CN2012/086332
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English (en)
Chinese (zh)
Inventor
孙静原
夏亮
周永行
任晓涛
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华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2012/086332 priority Critical patent/WO2014089750A1/fr
Publication of WO2014089750A1 publication Critical patent/WO2014089750A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/713—Spread spectrum techniques using frequency hopping
    • H04B1/7143—Arrangements for generation of hop patterns

Definitions

  • the present invention belongs to the field of wireless communication technologies, and in particular, to a carrier allocation method, a user equipment, and a base station.
  • a base station controlling a macro node and the A plurality of micro nodes under the coverage of the macro node, or a base station controls a plurality of macro nodes and a plurality of micro nodes under the coverage of each macro node.
  • the carrier that each node can use when serving the user is determined.
  • the UE is The base station corresponding to the serving node uses one carrier or a pair of carriers to serve the UE.
  • a base station corresponding to a node serving the UE may configure multiple carriers as the UE. Services, these carriers are active carriers for the UE.
  • the service distribution is time-varying; on each node, the service distribution is also time-varying.
  • One UE The channel quality on each carrier is time-varying, and the channel quality for each node is also time-varying. The quality of the interference received by a UE on different carriers is different.
  • system bandwidth corresponding to each carrier is not completely the same, and thus the service user capability corresponding to each carrier is also different.
  • the carrier allocated for one node is statically determined. At this point, every node in the wireless network can only be static. The determined carrier sends a signal to the UE.
  • the static carrier configuration when the channel quality of the UE changes dynamically, it cannot flexibly adapt to the inter-cell interference change and the SINR change of the UE.
  • Dynamic carrier selection and dynamic carrier vacancy blanking are implemented, that is, dynamic carrier node selection and coordination of multi-carrier multi-node and two dimensions cannot be performed according to actual service and user channel quality.
  • the embodiments of the present invention provide a carrier allocation method, a user equipment, and a base station, which are designed to solve the problem that the prior art cannot be based on actual services.
  • the problem of dynamic carrier selection in both dimensions of carrier and node is achieved.
  • the method for allocating the carrier includes:
  • the first base station acquires a carrier jump pattern
  • the carrier configuration information includes information for starting a carrier jump and Or the carrier jump pattern
  • the carrier jump pattern represents a set of carriers used by the user equipment on the at least one time unit, the set of carriers comprising at least one carrier
  • the first base station sends a signal to the UE according to the carrier hopping pattern and/or receives the UE The signal sent.
  • the first base station sends a signal to the UE according to the carrier hopping pattern and / or receiving signals sent by the UE, including:
  • At least one node of the first base station, on a time unit determined by the carrier jump pattern, on the carrier corresponding to the time unit The UE transmits a signal and/or receives a signal transmitted by the UE.
  • a carrier jump pattern includes:
  • the first base station acquires a pre-configured carrier jump pattern
  • the first base station acquires a carrier jump pattern determined by the first base station or determined by other network devices.
  • the carrier jump pattern is used to indicate at least one time unit in a period of the carrier jump pattern, at least one of the first base stations Node to the A set of carriers used by the UE to transmit signals and/or receive signals transmitted by the UE.
  • the first base station sends a signal to the UE according to the carrier hopping pattern and/or receives a signal sent by the UE, including:
  • the first base station receives an uplink reference signal sent by the UE according to a fourth carrier hopping pattern.
  • the first base station sends a signal to the UE according to the carrier hopping pattern and/or receives a signal sent by the UE, including:
  • the first base station sends a second downlink reference signal to the UE according to the sixth carrier hopping pattern.
  • the method further includes:
  • the method further includes:
  • the measurement result includes reference signal received power RSRP, reference signal received quality RSRQ, reference signal strength indicator RSSI At least one of them.
  • the first base station sends a signal to the UE according to the carrier hopping pattern and/or receives a signal sent by the UE, including:
  • the first base station receives the second uplink reference signal sent by the UE according to the eighth carrier jump pattern.
  • the sending, by the first base station, the carrier jump pattern to the UE includes:
  • the first base station sends part or all of the carrier hopping pattern to the UE.
  • the first base station sends the The carrier jump pattern used by the UE to the UE includes:
  • each node or node set of nodes serving the UE as the UE Part or all of at least one carrier jump pattern used in the service to the UE; and / or,
  • At least one node of the first base station does not perform cooperative carrier hopping;
  • At least one carrier of at least one node of the first base station does not perform cooperative carrier hopping.
  • the second base station includes at least one node, and after the first base station acquires the carrier jump pattern, the method further includes:
  • the first base station receives a carrier jump pattern used by a node under the second base station that is sent by the second base station.
  • the user equipment is a user equipment that only supports receiving data on one carrier at the same time.
  • the method for allocating the carrier includes:
  • the user equipment UE receives the carrier configuration information sent by the first base station, where the carrier configuration information includes information about starting a carrier jump and Or a carrier jump pattern, the carrier jump pattern representing a set of carriers used by the user equipment on the at least one time unit, the set of carriers comprising at least one carrier;
  • the UE sends a signal to the first base station according to the carrier hopping pattern and Or receiving the signal sent by the first base station, including:
  • the UE Receiving, on a time unit determined by the carrier jump pattern, a signal sent by at least one node of the first base station and/or on a carrier corresponding to the time unit Or transmitting a signal to at least one node of the first base station.
  • the carrier jump pattern is pre-configured
  • the carrier jump pattern is determined by the first base station or determined by other network devices.
  • the carrier hopping pattern is used to indicate that at least one time unit in a period of the carrier hopping pattern, the UE sends a signal to at least one node of the first base station and / Or a set of carriers used when receiving a signal transmitted by at least one node of the first base station.
  • the sending, according to the carrier jump pattern, a signal to the first base station and/or receiving a signal sent by the first base station includes:
  • the UE sends an uplink reference signal to the first base station according to the fourth carrier jump pattern.
  • the sending, according to the carrier jump pattern, a signal to the first base station and/or receiving a signal sent by the first base station includes:
  • the UE receives the second downlink reference signal sent by the first base station according to the sixth carrier jump pattern.
  • the method further includes:
  • the UE And transmitting, to the first base station, a measurement result obtained according to the first downlink reference signal, where the measurement result includes channel state information CSI;
  • the method further includes:
  • the UE And transmitting, to the first base station, a measurement result obtained according to the second downlink reference signal, where the measurement result includes a reference signal received power RSRP, a reference signal received quality RSRQ, and a reference signal strength indicator At least one of the RSSIs.
  • the measurement result includes a reference signal received power RSRP, a reference signal received quality RSRQ, and a reference signal strength indicator At least one of the RSSIs.
  • the sending, according to the carrier hopping pattern, the signal to the first base station and/or receiving the signal sent by the first base station includes:
  • the UE sends a second uplink reference signal to the first base station according to the eighth carrier jump pattern.
  • the receiving, by the UE, the carrier jump pattern sent by the first base station includes:
  • the UE receives some or all of one of the carrier hopping patterns sent by the first base station.
  • the UE Receiving the carrier jump pattern of the part sent by the first base station including:
  • the UE receives a carrier jump pattern used by the first base station to serve the UE.
  • the UE Receiving a carrier jump pattern used by the first base station to serve the UE including:
  • the UE receives a part or all of a carrier jump pattern used by the first base station to serve the UE.
  • the UE And receiving part or all of the carrier hopping patterns used by the first base station to serve the UE including:
  • each node or node set of the nodes served by the first base station for the UE as the UE Part or all of at least one carrier jump pattern used in service; and / or,
  • the node information of the service and each node or set of nodes in the node are part or all of at least one carrier jump pattern used when serving the UE.
  • the user equipment is a user equipment that only supports receiving data on one carrier at the same time.
  • the base station includes:
  • a pattern acquiring unit configured to acquire a carrier jump pattern
  • the carrier configuration information includes information for starting a carrier jump and Or the carrier hopping pattern, the carrier hopping pattern represents a set of carriers used by a user equipment on at least one time unit, the set of carriers comprising at least one carrier;
  • a signal interaction unit configured to send a signal to the UE according to the carrier jump pattern and/or receive the UE The signal sent.
  • the third aspect Transmitting, by the at least one node of the base station, a signal to the UE and/or receiving the UE on a carrier corresponding to the time unit by using at least one node of the base station The signal sent.
  • the pattern obtaining unit includes:
  • a first pattern acquisition module configured to acquire a pre-configured carrier jump pattern
  • a second pattern obtaining module configured to acquire a carrier jump pattern determined by the station or determined by other network devices.
  • the carrier jump pattern is used to indicate at least one time unit in a period of the carrier jump pattern, at least one of the first base stations Node to the A set of carriers used by the UE to transmit signals and/or receive signals transmitted by the UE.
  • the signal interaction unit includes:
  • a data signal sending module configured to send a data signal to the UE according to the first carrier jump pattern
  • a data signal receiving module configured to receive, according to the second carrier jump pattern, a data signal sent by the UE; and/or,
  • a downlink reference signal sending module configured to send a downlink reference signal to the UE according to the third carrier hopping pattern
  • an uplink reference signal sending module configured to receive an uplink reference signal sent by the UE according to the fourth carrier hopping pattern.
  • the signal interaction unit further includes:
  • a first downlink reference signal sending module configured to send a first downlink reference signal to the UE according to the fifth carrier hopping pattern
  • a second downlink reference signal sending module configured to send to the UE according to a sixth carrier jump pattern Sending a second downlink reference signal.
  • the signal interaction unit further includes:
  • a first measurement result receiving module configured to receive the UE According to the measurement result obtained by the first downlink reference signal, the measurement result includes channel state information CSI;
  • the measurement result includes reference signal received power RSRP, reference signal received quality RSRQ, reference signal strength indicator RSSI At least one of them.
  • the signal interaction unit further includes:
  • a first uplink reference signal receiving module configured to receive, according to a seventh carrier hopping pattern, a first uplink reference signal sent by the UE; and / or,
  • a second uplink reference signal receiving module configured to receive the UE according to an eighth carrier jump pattern The second uplink reference signal transmitted.
  • the configuration information sending unit includes:
  • a first configuration information sending module configured to send all or part of the carrier jump pattern to the UE
  • a second configuration information sending module configured to send part or all of the carrier jump pattern to the UE.
  • the first configuration information sending module sends a carrier jump pattern used when serving the UE to the UE.
  • the first configuration information sending module sends a partial or all carrier jump pattern used by the UE to serve the UE.
  • the first configuration information sending module includes:
  • a first sending submodule configured to send each node or node set of the nodes serving the UE as the UE Part or all of at least one carrier jump pattern used in the service to the UE; and / or,
  • a second sending submodule configured to send as the UE Node information of the service and part or all of at least one carrier jump pattern used by each node or set of nodes in the node to the UE; and / or,
  • a third sending submodule configured to send node information serving the UE, and each node or node set in the node is the Part or all of at least one carrier jump pattern used by the UE to the UE.
  • At least one node of the base station does not perform cooperative carrier hopping;
  • At least one carrier of at least one node of the base station does not perform cooperative carrier hopping.
  • the second base station includes at least one node, and the first base station further includes:
  • a carrier pattern sending unit configured to send a carrier jump pattern used by a node under the first base station to the second base station;
  • a carrier pattern receiving unit configured to receive a carrier jump pattern used by the node under the second base station that is sent by the second base station.
  • the user equipment is a user equipment that only supports receiving data on one carrier at the same time.
  • the base station includes: a transceiver, where the transceiver is configured to acquire a carrier jump pattern, and is further configured to send carrier configuration information to the user equipment UE, where the carrier configuration information includes information for starting a carrier jump and / Or the carrier hopping pattern, the carrier hopping pattern represents a carrier set used by the user equipment on the at least one time unit, the carrier set includes at least one carrier, and is further configured to send to the UE according to the carrier hopping pattern. Transmitting a signal and/or receiving a signal transmitted by the UE.
  • the fourth aspect Transmitting, by the at least one node of the base station, a signal to the UE and/or receiving the UE on a carrier corresponding to the time unit by using at least one node of the base station The signal sent.
  • the transceiver acquires a pre-configured carrier jump pattern
  • the transceiver acquires a carrier jump pattern determined by the station or determined by other network devices.
  • the carrier jump pattern is used to indicate at least one time unit in a period of the carrier jump pattern, at least one of the first base stations Node to the A set of carriers used by the UE to transmit signals and/or receive signals transmitted by the UE.
  • the transceiver sends a data signal to the UE according to a first carrier jump pattern;
  • the transceiver receives a data signal sent by the UE according to a second carrier jump pattern; and/or,
  • the transceiver receives an uplink reference signal sent by the UE according to a fourth carrier jump pattern.
  • the transceiver sends a first downlink reference signal to the UE according to a fifth carrier hopping pattern; and/or,
  • the transceiver transmits a second downlink reference signal to the UE according to a sixth carrier jump pattern.
  • a sixth possible implementation Receiving, by the transceiver, a measurement result obtained by the UE according to the first downlink reference signal, where the measurement result includes channel state information CSI;
  • the transceiver receives the UE According to the measurement result obtained by the second downlink reference signal, the measurement result includes reference signal received power RSRP, reference signal received quality RSRQ, reference signal strength indicator RSSI At least one of them.
  • the transceiver receives a first uplink reference signal sent by the UE; and/or,
  • the transceiver receives a second uplink reference signal sent by the UE according to an eighth carrier jump pattern.
  • the transceiver sends all or part of the carrier jump pattern to the UE;
  • the transceiver transmits some or all of the carrier jump pattern to the UE.
  • the transceiver sends a carrier jump pattern used when serving the UE to the UE.
  • the eleventh possible implementation Transmitting, by the transceiver, part or all of at least one carrier hop pattern used by each node or set of nodes serving the UE to the UE; and/or,
  • At least one node of the base station does not perform cooperative carrier hopping;
  • At least one carrier of at least one node of the base station does not perform cooperative carrier hopping.
  • the second base station includes at least one node, the transceiver Transmitting, by the node under the first base station, a carrier jump pattern to the second base station;
  • the transceiver receives a carrier jump pattern used by a node under the second base station and sent by the second base station.
  • the user equipment is a user equipment that only supports receiving data on one carrier at the same time.
  • the user equipment includes:
  • a configuration information receiving unit configured to receive carrier configuration information sent by the first base station, where the carrier configuration information includes information for starting a carrier jump and Or a carrier hopping pattern, the carrier hopping pattern representing a set of carriers used by the user equipment on the at least one time unit, the set of carriers comprising at least one carrier;
  • a signal transceiving unit configured to send a signal to the first base station according to the carrier jump pattern and Or receiving a signal sent by the first base station.
  • the signal transceiving unit receives, on a time unit determined by the carrier hopping pattern, a signal sent by at least one node of the first base station and/or on a carrier corresponding to the time unit. Or transmitting a signal to at least one node of the first base station.
  • the carrier jump pattern is pre-configured; and / or
  • the carrier jump pattern is determined by the first base station or determined by other network devices.
  • the carrier hopping pattern is used to indicate that at least one time unit in a period of the carrier hopping pattern, the UE sends a signal to at least one node of the first base station and / Or a set of carriers used when receiving a signal transmitted by at least one node of the first base station.
  • the signal transceiver unit includes:
  • a data signal receiving module configured to receive, according to the first carrier jump pattern, a data signal sent by the first base station; and/or,
  • a data signal sending module configured to send a data signal to the first base station according to the second carrier jump pattern
  • a downlink reference signal receiving module configured to receive, according to a third carrier hopping pattern, a downlink reference signal sent by the first base station;
  • an uplink reference signal sending module configured to send an uplink reference signal to the first base station according to the fourth carrier jump pattern.
  • the signal transceiver unit includes:
  • a first downlink reference signal receiving module configured to receive, according to a fifth carrier hopping pattern, a first downlink reference signal sent by the first base station; and / or,
  • the second downlink reference signal receiving module is configured to receive the second downlink reference signal sent by the first base station according to the sixth carrier jump pattern.
  • the signal transceiving unit further includes:
  • a first measurement result sending module configured to send, to the first base station, a measurement result obtained according to the first downlink reference signal, where the measurement result includes channel state information CSI;
  • a second measurement result sending module configured to send, to the first base station, a measurement result obtained according to the second downlink reference signal, where the measurement result includes a reference signal received power RSRP and a reference signal received quality RSRQ
  • the reference signal strength indicates at least one of the RSSIs.
  • the signal transceiver unit further includes:
  • a first uplink reference signal sending module configured to send, according to the seventh carrier hopping pattern, a first uplink reference signal to the first base station;
  • the second uplink reference signal sending module is configured to send a second uplink reference signal to the first base station according to the eighth carrier jump pattern.
  • the configuration information receiving unit includes:
  • a first carrier pattern receiving module configured to receive all or part of the carrier jump pattern sent by the first base station
  • a second carrier pattern receiving module configured to receive part or all of one of the carrier jump patterns sent by the first base station.
  • the first carrier pattern receiving module receives a carrier jump pattern used by the first base station to serve the UE.
  • the first carrier pattern receiving module receives part or all of the carrier jump patterns used by the first base station to serve the UE.
  • the first carrier pattern receiving module receives part or all of at least one carrier jump pattern used by each node or node set that is sent by the first base station to serve the UE to serve the UE; with / or,
  • Receiving, by the first base station, node information serving the UE, and each node or node set in the node is the UE Part or all of at least one carrier jump pattern used in the service.
  • the user equipment is a user equipment that only supports receiving data on one carrier at the same time.
  • the user equipment includes: a transceiver, where the transceiver is configured to receive carrier configuration information sent by a first base station, where the carrier configuration information includes information about starting a carrier jump and/or Or a carrier hopping pattern, the carrier hopping pattern indicating a carrier set used by the user equipment on the at least one time unit, the carrier set includes at least one carrier; and is further configured to send to the first base station according to the carrier hopping pattern Send signal and / or receiving a signal transmitted by the first base station.
  • the transceiver receives, on a time unit determined by the carrier hop pattern, a signal sent by at least one node of the first base station and/or on a carrier corresponding to the time unit. Or transmitting a signal to at least one node of the first base station.
  • the carrier jump pattern is pre-configured; and / or
  • the carrier jump pattern is determined by the first base station or determined by other network devices.
  • the carrier hopping pattern is used to indicate that at least one time unit in a period of the carrier hopping pattern, the UE sends a signal to at least one node of the first base station and / Or a set of carriers used when receiving a signal transmitted by at least one node of the first base station.
  • the transceiver receives a data signal sent by the first base station according to a first carrier hopping pattern; and/or,
  • the transceiver sends an uplink reference signal to the first base station according to a fourth carrier jump pattern.
  • the transceiver receives the first downlink reference signal sent by the first base station according to a fifth carrier jump pattern; and/or,
  • the transceiver receives the second downlink reference signal sent by the first base station according to the sixth carrier jump pattern.
  • the sixth possible implementation Transmitting, by the transceiver, the measurement result obtained according to the first downlink reference signal to the first base station, where the measurement result includes channel state information CSI;
  • the transceiver Transmitting, by the transceiver, the measurement result obtained according to the second downlink reference signal to the first base station, where the measurement result includes a reference signal received power RSRP and a reference signal received quality RSRQ
  • the reference signal strength indicates at least one of the RSSIs.
  • the transceiver sends a first uplink reference signal to the first base station according to a seventh carrier jump pattern; and/or,
  • the transceiver sends a second uplink reference signal to the first base station according to an eighth carrier jump pattern.
  • the transceiver receives all or part of the carrier jump pattern sent by the first base station; or
  • the transceiver receives some or all of one of the carrier jump patterns sent by the first base station.
  • the transceiver receives a carrier jump pattern used by the first base station to serve the UE.
  • the transceiver receives part or all of the carrier hopping patterns used by the first base station to serve the UE.
  • the transceiver receives part or all of at least one carrier hopping pattern used by each of the nodes or node sets sent by the first base station for the UE to serve the UE;
  • each node or node set in the node is the Part or all of at least one carrier jump pattern used by the UE for service.
  • the user equipment is a user equipment that only supports receiving data on one carrier at the same time.
  • the first base station first acquires a carrier jump pattern of a node that performs carrier jump, and then notifies the user equipment UE.
  • Carrier configuration information wherein the carrier configuration information includes information for starting a carrier jump and Or the carrier jump pattern, and then, according to the carrier jump pattern, the first base station sends a signal to the UE or receives the UE on the corresponding time unit on the corresponding time unit on the corresponding time unit. The signal sent.
  • the first base station is serving the UE, even if it only supports UEs that receive data on one carrier at the same time, different carriers can be used to send signals or receive to the UE in different time units.
  • the signal sent by the UE, the first base station may choose to send a signal to the UE or receive the UE.
  • the combination of time unit, carrier, and node used when transmitting the signal may be selected as a UE in a carrier set larger than the number of carriers supported by the user at the same time.
  • the carrier used by the service realizes dynamic carrier selection and load adaptive equalization in two dimensions of carrier and node, and improves system performance.
  • FIG. 1 is a flowchart of an implementation of a carrier allocation method according to Embodiment 1 of the present invention.
  • FIG. 2 is a schematic diagram of a carrier jump pattern of a node 1 according to Embodiment 1 of the present invention
  • FIG. 3 is a flowchart of implementing another method for allocating carriers according to an embodiment of the present invention.
  • FIG. 4 is a specific structural diagram of a base station according to an embodiment of the present invention.
  • FIG. 5 is a specific structural diagram of another base station according to an embodiment of the present invention.
  • FIG. 6 is a specific structural diagram of a user equipment according to an embodiment of the present invention.
  • FIG. 7 is a specific structural diagram of another user equipment according to an embodiment of the present invention.
  • the first base station first acquires a carrier jump pattern of a node that performs carrier jump, and then notifies the user equipment UE.
  • Carrier configuration information wherein the carrier configuration information includes information for starting a carrier jump and Or the carrier jump pattern, and then, according to the carrier jump pattern, the first base station sends a signal to the UE or receives the UE on the corresponding time unit on the corresponding time unit on the corresponding time unit.
  • the first base station may select a combination of a time unit, a carrier, and a node used when transmitting a signal to the UE or receiving a signal sent by the UE.
  • FIG. 1 is a flowchart showing an implementation process of a carrier allocation method according to an embodiment of the present invention, which is described in detail below.
  • the first The base station controls multiple nodes as an example for description, wherein a plurality of nodes controlled by the first base station may include a macro node and / Or micro nodes.
  • the number of nodes controlled by the first base station and the number of nodes performing carrier jump may be one or more, which is not limited herein.
  • step S101 the first base station acquires a carrier jump pattern.
  • the first base station sends carrier configuration information to the UE.
  • the carrier configuration information includes information for starting a carrier hopping and/or the carrier hopping pattern, the carrier hopping pattern indicating a user equipment UE on at least one time unit A set of carriers used, the set of carriers comprising at least one carrier.
  • step S103 the first base station sends a signal to the UE according to the carrier hopping pattern and/or receives the UE.
  • the first base station sends information about starting a carrier hopping manner to the UE.
  • the first base station transmits a signal to the UE according to a predefined carrier jump pattern and/or receives a signal sent by the UE.
  • the first base station sends information about starting a carrier hopping manner and step S101 is performed. Obtaining a carrier jump pattern to the UE, the first base station transmitting a signal to the UE according to the carrier jump pattern and/or receiving a signal sent by the UE.
  • the first base station sends the carrier jump pattern acquired in step S101 to the UE. And the first base station sends a signal to the UE according to the carrier jump pattern and/or receives a signal sent by the UE.
  • the first base station notifies the UE of the acquired carrier jump pattern to the UE in a semi-static or dynamic manner.
  • the UE may be notified to the UE by high layer signaling or physical layer signaling, where the signaling may be RRC signaling or MAC signaling.
  • the carrier jump pattern may be predefined in the network planning, or may be determined by the network node, such as the first base station or other network devices except the first base station, or may be mixed. If the carrier jump pattern of the partial node is predefined, the carrier jump pattern of the partial node is determined by the first base station, and the carrier jump pattern of the partial node is determined by other network devices than the first base station. Alternatively, a partial carrier hopping pattern of a node is predefined, and a partial carrier hopping pattern is determined by the first base station or other network devices other than the first base station. In either case, the determined carrier jump pattern of the node is stored in a network node such as the first base station or other network device.
  • the carrier jump pattern of the node in which the carrier jump is stored may be read, or the carrier jump may be obtained from other network devices.
  • the carrier jump pattern of the node is then subjected to corresponding scheduling and the like according to the carrier jump pattern.
  • the predefined one may associate a predefined carrier jump pattern with a carrier serving the UE, and the predefined carrier jump pattern is a UE.
  • the arrangement of the carrier of the service, the carrier jump pattern includes the index number of the carrier, such as activating carrier 1, activating carrier 2, and the like. Among them, one or more carriers can also be used on each time unit.
  • the carrier jump pattern can be 0,1,0,1,0,1,0,1,0,1 or 000111 or 00111101, etc., where 1 represents the use of carrier 1 , 0 for the UE service on the time unit Representing the time unit to use carrier 0 for UE service;
  • the carrier jump pattern can be 012012012012 or 000111222 or 0022222110 and so on, where 1 represents carrier 1 used for UE service on the time unit, 0 represents that the time unit uses carrier 0, 2 for UE service The carrier 2 is used for the UE service on behalf of the time unit.
  • the carrier jump pattern can be periodic, within each time period
  • the carrier jump pattern is the same until the carrier jump pattern changes.
  • the node's carrier jump pattern represents a time period in which the node transmits on each time unit of at least one time unit in the period
  • the time period corresponding to the carrier jump pattern may include at least one Time units. Each time unit may include at least one continuous or non-contiguous one or more subframes or Transmission Time Interval (TTI) .
  • TTI Transmission Time Interval
  • the carrier jump pattern corresponding to the node is used to describe the carrier set used by the node to transmit or receive signals on each time unit, or to determine the node on each time unit. Activate carrier set.
  • the corresponding carrier sets on each time unit in the carrier jump pattern may be the same or different.
  • Some subframes or TTI There may be some restrictions and carrier jumps cannot be used, so the time unit corresponding to the carrier jump pattern may be continuous or non-contiguous.
  • the carrier jump pattern only determines the carrier corresponding to the node on the subframe in which the carrier jumps.
  • the carrier set used on each time unit in which the carrier jumps in the period corresponding to the carrier jump pattern can be notified.
  • the bitmap may be used to notify, for example, each bit.
  • 0 means that carrier 1 is used, and 1 means carrier 2 is used.
  • Carrier 1 and carrier 2 may be predefined or UE Obtained with the first base station.
  • the UE may notify the time unit set 1 to use the carrier 1 , time unit set 2 uses carrier 2 .
  • the odd subframe is the time unit set 1
  • the carrier 1 is used
  • the even subframe is the time unit set 2
  • the carrier 2 is used.
  • the first base station may control the node to perform coordinated carrier hopping, and the node uses the same or different carrier corresponding to the time unit to the UE according to the carrier hop pattern acquired by the first base station on different time units. Send a signal and / or receive a signal sent by the UE.
  • the specific selection of which nodes to perform carrier jump may be determined during network planning, or may be determined by a network node, such as the first base station.
  • the first base station may select any one of the plurality of nodes that it controls as a node for performing cooperative carrier hopping, and the nodes may be macro nodes under the first base station, or may be The micro node covered by the macro node may select all the micro nodes and macro nodes controlled by the first base station as nodes for performing coordinated carrier jump.
  • the coordinated carrier hopping may be performed on some nodes under the first base station, For example, one or more nodes of the first base station perform coordinated carrier hopping, send signals to the UE according to the carrier hopping pattern, and/or accept signals sent by the UE.
  • some nodes of the first base station do not perform coordinated carrier hopping, for example, at least one node of the first base station does not perform coordinated carrier hopping. And / or at least one carrier of at least one node of the first base station is fixed, and no cooperative carrier jump is performed. These carriers of these nodes that do not perform cooperative carrier hopping are used as primary carriers to guarantee the UE Effective coverage and service.
  • one carrier of one of the macro nodes of the first base station may be used as the primary carrier of the UE, and the effective coverage of the UE and the service to the legacy UE are guaranteed.
  • the micro-node performs cooperative carrier hopping to ensure that dynamic carrier selection can be performed when the UE transmits data.
  • a node such as the carrier jump pattern of node 1
  • f1, f2 to fn Represents the carrier used by node 1 on each time unit.
  • the carrier jump pattern of multiple nodes may be as shown in Table 1, except node 0.
  • Each of the other nodes uses the same set of carriers, wherein the carrier of the node 0 remains unchanged to ensure effective coverage of the UE and to ensure coverage and service to the legacy UE.
  • the carrier sets used by each node other than node 0 may also be different, as shown in Table 2.
  • each node may use two or more carriers on the same time unit to receive signals sent by the UE or send signals to UE, in this case, the carrier jump pattern of each node is shown in Table 3 and Table 4.
  • the first base station notifies the UE.
  • the carrier jump pattern can be a full set or subset of the set of carriers used by the node on each time unit.
  • the same or different carrier jump patterns are configured for each node.
  • the uplink and downlink carrier hopping patterns may be the same or different, that is, the first base station sends a signal to the UE and receives the UE.
  • the transmitted signals can use the same carrier jump pattern or different carrier jump patterns.
  • multiple sets of carrier jump patterns may be defined according to different types of signals received or transmitted by the first base station, or according to different types of signals received or transmitted by the respective nodes. Define multiple sets of carrier jump patterns.
  • a first carrier jump pattern is defined, and the first carrier jump pattern is used to the UE. Transmitting data; defining a second carrier hopping pattern, receiving data sent by the UE by using the second carrier hopping pattern; defining a third carrier hopping pattern, and transmitting the third carrier hopping pattern to the UE Transmitting a downlink reference signal; defining a fourth carrier hopping pattern, and receiving, by using the fourth carrier hopping pattern, an uplink reference signal sent by the UE.
  • a fifth carrier jump pattern may be defined, by using the fifth carrier jump pattern to the UE Transmitting a first downlink reference signal, defining a sixth carrier hopping pattern, and transmitting, by using the sixth carrier hopping pattern, a second downlink reference signal, where the first downlink reference signal may be used to measure channel state information, CSI
  • the second downlink reference signal can be used to measure reference signal received power RSRP, reference signal received quality RSRQ, reference signal strength indication At least one of the RSSIs.
  • the first base station can also receive the UE.
  • the measurement result may include channel state information CSI according to the measurement result obtained by the first downlink reference signal;
  • the measurement result may include reference signal received power RSRP, reference signal received quality RSRQ, reference signal strength indicator RSSI At least one of them.
  • the first base station may further define a seventh carrier jump pattern, and receive the UE according to the seventh carrier jump pattern. Transmitting a first uplink reference signal; the first base station may also define an eighth carrier jump pattern, and receive the UE according to the eighth carrier jump pattern And transmitting, by the second uplink reference signal, the first uplink reference signal may be used to measure channel state information, and the second uplink reference signal may be used for demodulation.
  • this embodiment can work only on part carrier / partial subframe, other carriers / Subframes still work using traditional network planning, ie, without carrier jumps.
  • the node may be sent to the UE on a carrier/subframe that does not perform carrier jump. Notify one or more sets of carrier jump patterns configured for it.
  • the first base station may independently determine a carrier jump pattern used by each node for the selected multiple nodes, or The carrier jump pattern of each node may be jointly determined for the selected multiple nodes.
  • the carrier jump pattern used by each node may also be set in advance during network planning. .
  • the joint determination may be used to ensure that the carriers used by the multiple nodes are coordinated with each other in each time unit, so that the interference between the nodes is low or the first base station can more effectively select the UE as described.
  • the service node of the UE service may be used to ensure that the carriers used by the multiple nodes are coordinated with each other in each time unit, so that the interference between the nodes is low or the first base station can more effectively select the UE as described.
  • the first base station independently determines the carrier jump pattern used by each node participating in the carrier jump, which can be implemented by a certain algorithm. Specifically, according to the number of time units in the carrier jump pattern (the number of time units is predefined or determined by the network node), the node is subjected to carrier jump according to various preset principles (the invention does not limit)
  • the carrier is allocated to each time unit, for example, the number of time units in the cycle is 5, the carrier for carrier jump is f1, f2, f3, f4, f5, then the carrier jump pattern can be determined as ⁇ f1, f2, f3, f4, f5 ⁇ or ⁇ F2, f1, f3, f4, f5 ⁇ and so on.
  • the UE can also be served according to the node.
  • the channel state information of the node on each carrier determines the carrier jump pattern of the node.
  • one node transmits the reference signal on all carriers and configures the reference signal on all carriers for the UE and / Or interfering with measurement resources, the UE measures channel state information (CSI) and/or reference signal received power on all carriers ( Reference signal received power, RSRP), etc., and fed back to the base station.
  • CSI channel state information
  • RSRP reference signal received power
  • the first base station can be based on the number of UEs served by the node, and each The amount of UEs, and the CSI and/or RSRP of each UE on each carrier, determine the number of UEs that need to be served by each carrier and the corresponding UE.
  • a set (such as different UE sets for different carrier services, and the total traffic of UEs served by each carrier is substantially equal). Determining the UE that the node serves on each carrier
  • the set may be a UE that serves the UE in a certain angular range corresponding to the channel direction in each carrier, and the UE serves the UE on different carriers.
  • the channel direction corresponds to a different range of spatial angles, etc. (there are no restrictions on the method of independent determination).
  • the first base station may determine the number of occurrences of each carrier in the carrier jump pattern according to the amount of traffic of the carrier service, and then determine the carrier jump pattern in various orders.
  • the final determination includes a set of carriers used by the node on each time unit within the time period.
  • UE or UE collection There are many methods for independently determining the carrier jump pattern of each node, and the present invention is not limited.
  • the first base station jointly determines the carrier jump pattern used by the node, and may also be implemented by a certain algorithm, specifically According to various situations in which a plurality of nodes use a carrier on a time unit, selecting to ensure that the node serves the UE on the time unit, is subjected to a carrier with low interference from other nodes. Comes as the carrier on the time unit. For example, according to various situations in which a plurality of nodes use a carrier on a time unit, It mainly considers the influence of mutual interference generated when multiple nodes use the same carrier, and selects the use of nodes and carriers that satisfy certain optimization conditions, such as each node. Use different carriers on the same time unit or use different carriers as much as possible.
  • the node may send the sum according to the carrier hop pattern on the at least one time unit and the carrier corresponding to the time unit. / or receive reference signals and other signals.
  • the reference signal includes a channel state information reference signal (Channel State Information-Reference) Signal, CSI-RS), Common Reference Signal (CRS).
  • CSI-RS Channel State Information-Reference
  • CRS Common Reference Signal
  • the first base station determines, according to the carrier jump pattern, to the UE in each time unit. Transmitting a set of carriers used by the signal, and then transmitting a reference signal and/or a data signal to the UE using the corresponding set of carriers on the corresponding time unit; and/or
  • Determining, by the first base station, the receiving UE on each time unit according to the carrier jump pattern The carrier or carrier set used by the transmitted signal, and then receives the reference signal and/or data signal sent by the UE using the corresponding carrier set on the corresponding time unit.
  • the first base station extracts from the node that performs cooperative carrier hopping as the UE.
  • the service node or set of service nodes of the service is not limited to the above embodiment.
  • the UE may determine the UE as the UE according to channel state information of multiple nodes on multiple carriers.
  • the service node or set of service nodes of the service For example, the first base station may select a higher RSRP/RSRQ according to RSRP/RSRQ on multiple carriers corresponding to each node fed back by the UE. A combination of nodes and carriers to serve the UE. Or selecting at least one serving node and at least one carrier used by the corresponding serving node.
  • the service node may also include a node that does not perform a carrier jump, such as a macro node.
  • the first base station will be the UE
  • the serving node of the service or the carrier hopping pattern of each serving node in the service node set is sent to the UE, and after receiving the UE, the channel state information CSI is first performed according to the received carrier hopping pattern. The measurement is then fed back to the first base station.
  • the UE can be directly notified.
  • At least one carrier jump pattern wherein different carrier jump patterns have different uses, such as notifying the UE of at least one of the above eight carrier jump patterns.
  • the UE can also be notified of the service used by the UE.
  • Part or all of the at least one carrier jump pattern such as notifying the UE of some or all of at least one of the above eight carrier jump patterns.
  • the UE is notified of all the carrier jump patterns, and may be a node that informs the UE to serve the node.
  • Cell-specific or node-specific carrier jump pattern that is, all information of the carrier jump pattern used by this node is notified to the UE.
  • a plurality of UEs that need this information may be notified by using a broadcast manner, or may be notified to the UE by using high layer signaling or DCI signaling.
  • Notifying the part of the UE carrier jump pattern which may be to notify the UE
  • the part of the Cell-specific or node-specific carrier hop pattern of the node it serves for the UE service that is, only the carrier hop pattern and the UE
  • the carrier jump information of the relevant time unit or the information of the carrier used for the UE service in some time units is notified to the UE, and the UE may be notified by broadcast to the UE that needs this information. It can also be notified to the UE by using high-level signaling or DCI signaling.
  • the node or set of nodes of the service notifies the corresponding carrier hopping pattern information, such as the first base station transmitting part or all of the at least one carrier hopping pattern used by each node or set of nodes serving the UE to the UE; and / or,
  • Each of the nodes or nodes in the node that the first base station sends to serve the UE is the UE. Part or all of at least one carrier jump pattern used in the service to the UE; and / or,
  • the first base station transmits as a UE Node information of the service and part or all of at least one carrier jump pattern used by each node or set of nodes in the node to the UE; and / or,
  • the first base station sends node information serving the UE and each node or node set in the node is the UE Part or all of at least one carrier jump pattern used in the service to the UE.
  • the first base station may notify the UE of a carrier jump pattern of all nodes serving the UE, or notify the UE.
  • the carrier jump pattern used by the node serving the UE is ⁇ f1, f2 ⁇ . , ⁇ f3,f4 ⁇ , ⁇ f1,f5 ⁇ , ⁇ f2,f6 ⁇ , ⁇ f2,f3 ⁇ , ⁇ f5,f6 ⁇
  • the carrier jump pattern when notifying the UE is ⁇ f1 ⁇ , ⁇ f3 ⁇ , ⁇ f1 ⁇ , ⁇ f2 ⁇ , ⁇ f2 ⁇ , ⁇ f5 ⁇ .
  • multiple nodes may have different carrier jump patterns and notify the UE. The part or all of the carrier jump patterns of each node may be notified, or the UE may be directly notified of the carrier jump pattern served by the UE, and the node is transparent to the UE.
  • the UE performs CSI according to the carrier jump pattern served by the first base station for its service.
  • the measurement on each time unit, measures the CSI on the corresponding carrier according to a reference signal on the corresponding carrier or the like.
  • the UE may consider the same time unit of each cycle of the same carrier jump pattern to be measured.
  • the CSI corresponds to the same or similar channel conditions, and the corresponding statistical processing of these CSIs can be performed.
  • UE may consider the CSI measured on the same carrier of each cycle of the same carrier hopping pattern. Corresponding equal or equal statistical processing of these CSIs can be performed corresponding to the same or similar channel conditions.
  • UE It is not considered to correspond to the same or similar channel conditions, so that statistical processing such as averaging cannot be performed.
  • the reference signal used by the UE to measure the CSI includes a channel state information reference signal (Channel State Information-Reference Signal (CSI-RS), Common Reference Signal (Common Reference Signal, CRS), the reference signal may come from one node or from a plurality of different nodes, but the UE does not need to know whether it is from a different node, and only measures CSI according to the corresponding reference signal resource.
  • CSI-RS Channel State Information-Reference Signal
  • CRS Common Reference Signal
  • the first base station is configured as a UE.
  • the carrier jump pattern of each service node in the serving service node or the service node set determines the carrier set that each node can use on each time unit, and then selects the UE according to the CSI measurement result fed back by the UE.
  • the scheduling information such as time, carrier, and node used for data transmission is transmitted, and the scheduling information is notified to the UE.
  • the first base station selects the receiving UE according to the measured channel state and carrier hopping pattern to the UE.
  • the scheduling information such as time, carrier, and node used for data transmission is transmitted, and the scheduling information is notified to the UE.
  • This scheduling process can use a variety of scheduling algorithms, such as computing UEs at different times and carriers. Priority, the time and the resource corresponding to the carrier are allocated to the UE with the highest priority.
  • the first base station may also semi-statically or dynamically adjust the carrier hopping pattern used for transmitting data by the UE according to feedback of the UE, and notify the UE of the UE . For example, a time unit and a carrier having a better CSI for the UE may be selected to transmit data for the UE, but different carriers may be used to transmit data for the UE or receive data of the UE at different times.
  • the UE receives data or transmits data on the corresponding carrier and time unit according to the scheduling information notified by the first base station.
  • the base stations pass through an inter-base station interface, such as an X2 interface.
  • the carrier jump pattern used by the multiple nodes corresponding to the interworking base station so as to facilitate carrier coordination between the base stations, for example, one of the interacting base stations changes the carrier jump pattern used by the corresponding node, so that the nodes of the multi-node between the base stations Inter-interference is effectively reduced.
  • the second base station includes at least one node, after the first base station acquires the carrier jump pattern,
  • the first base station may send a carrier hopping pattern used by the node under the first base station to the second base station, where the first base station may further receive the second base station sent by the second base station.
  • Carrier jump pattern used by the node is not limited to, but not limited to, but not limited to, but not limited to, but not limited to, but not limited to the carrier jump pattern, a carrier hopping pattern used by the node under the first base station to the second base station, where the first base station may further receive the second base station sent by the second base station. Carrier jump pattern used by the node .
  • a carrier of the macro cell is used as the primary carrier of the UE, and no jump is performed to ensure effective coverage for the user, and the pair is guaranteed. Coverage of legacy UE.
  • the UE performs the corresponding carrier corresponding micro cell according to the carrier jump pattern used by each micro cell notified by the first base station Channel measurement and feedback, and receiving data sent by the corresponding micro cell on the corresponding carrier according to the scheduling information;
  • the first base station dynamically selects a carrier serving the UE according to the feedback of the UE, at a corresponding time.
  • the carrier on the time unit is used to transmit data for the UE.
  • the solution of the present invention can be only used in part carrier / Working on some sub-frames, other carriers still work in the traditional network planning mode, that is, no carrier jump is performed.
  • at least one planned carrier is used for coverage of legacy UEs and the like.
  • all cells including the micro cell or the primary serving cell of the UE perform cooperative carrier hopping.
  • the UE is notified of a new carrier jump pattern before the carrier jump pattern changes. And enabled at the predefined time or the enable time of the notification.
  • information about all carriers that may be used by the UE service may be notified to the UE.
  • Information about all carriers that may be used by each of the nodes serving the UE is notified to the UE.
  • the UE in the present invention may be At the same time, only user equipment that receives data on one carrier is supported.
  • the first base station first acquires a carrier jump pattern of a node that performs carrier jump, and then notifies the user equipment UE. Transmitting the information of the carrier hopping mode and/or the used carrier hopping pattern, and then using the at least one node of the first base station on the corresponding time unit according to the carrier hopping pattern, using the corresponding corresponding time unit Carrier on The UE sends a signal or receives a signal sent by the UE.
  • the first base station When the first base station is serving the UE, even for the UE that only supports receiving data on one carrier at the same time It is also possible to use different carriers on different time units to send signals to the UE or to receive signals sent by the UE, and the first base station may choose to send signals to the UE or receive the UE.
  • the combination of time unit, carrier, and node used when transmitting the signal may be selected as a UE in a carrier set larger than the number of carriers supported by the user at the same time.
  • the carrier used by the service realizes dynamic carrier selection and load adaptive equalization in two dimensions of carrier and node, thereby improving system performance.
  • FIG. 3 is a flowchart showing an implementation process of another method for allocating carriers according to an embodiment of the present invention. Details are as follows.
  • step S301 the user equipment UE Receiving carrier configuration information sent by the first base station, where the carrier configuration information includes information for starting a carrier jump and/ Or a carrier hopping pattern, the carrier hopping pattern representing a set of carriers used by the user equipment on at least one time unit, the set of carriers comprising at least one carrier.
  • the carrier configuration information includes information for starting a carrier jump and/ Or a carrier hopping pattern, the carrier hopping pattern representing a set of carriers used by the user equipment on at least one time unit, the set of carriers comprising at least one carrier.
  • step S302 the UE sends a signal to the first base station according to the carrier jump pattern and Or receiving a signal sent by the first base station.
  • the UE Receiving information of a starting carrier hopping manner notified by the first base station, transmitting a signal to the first base station according to a predefined carrier hopping pattern, and/or receiving a signal sent by the first base station.
  • the UE And receiving or receiving a signal sent by the first base station according to the carrier jump pattern according to the carrier jump pattern received by the first base station and the carrier jump pattern acquired by the first base station.
  • the UE Receiving a carrier jump pattern used by the first base station sent by the first base station, transmitting a signal to the first base station according to the carrier jump pattern, and/or receiving a signal sent by the first base station.
  • the carrier jump pattern is predefined.
  • the UE The carrier jump pattern sent by the first base station is received, and the information of the carrier jump pattern sent by the first base station is received in a semi-static or dynamic manner, for example, by using high layer signaling or physical layer signaling, where the signaling may be RRC. Signaling or MAC signaling.
  • the predefined one may be that a predefined carrier jump pattern is associated with a carrier serving the UE, and the predefined carrier jump pattern is The permutation and combination of carriers served by the UE, and the carrier jump pattern includes an index number of the carrier, such as activating carrier 1, activating carrier 2, and the like. Among them, one or more carriers can also be used on each time unit.
  • the carrier jump pattern can be 0,1,0,1,0,1,0,1,0,1 or 000111 or 00111101, etc., where 1 represents the use of carrier 1 , 0 for the UE service on the time unit Representing the time unit to use carrier 0 for UE service;
  • the carrier jump pattern can be 012012012012 or 000111222 or 0022222110 and so on, where 1 represents carrier 1 used for UE service on the time unit, 0 represents that the time unit uses carrier 0, 2 for UE service The carrier 2 is used for the UE service on behalf of the time unit.
  • the time period corresponding to the carrier jump pattern may include at least one Time units.
  • Each time unit may include at least one continuous or non-contiguous one or more subframes or Transmission Time Interval (TTI) .
  • TTI Transmission Time Interval
  • the corresponding carrier or carrier set on each time unit in the carrier jump pattern may be the same or different.
  • Some sub-frames or The TTI may have certain restrictions and cannot use carrier jumps, so the time unit corresponding to the carrier jump pattern may be continuous or discontinuous.
  • the carrier jump pattern only determines the carrier corresponding to the node on the subframe in which the carrier jumps.
  • the carrier or carrier set used on each time unit in which the carrier jumps in the period corresponding to the carrier jump pattern can be notified.
  • the bitmap may be used to notify, for example, each bit.
  • 0 means that carrier 1 is used, and 1 means carrier 2 is used.
  • Carrier 1 and carrier 2 may be predefined or UE Obtained with the first base station.
  • the UE may notify the time unit set 1 to use the carrier 1 , time unit set 2 uses carrier 2 .
  • the odd subframe is the time unit set 1
  • the carrier 1 is used
  • the even subframe is the time unit set 2
  • the carrier 2 is used.
  • the carrier jump pattern is used to indicate at least one time unit within a period of the carrier jump pattern, the UE a set of carriers used when transmitting signals to the first base station and/or receiving signals transmitted by the first base station; the carrier jump pattern may also be used to indicate at least one time unit within a period of the carrier jump pattern , UE A set of carriers used to transmit signals to and/or receive signals transmitted by at least one node of the first base station.
  • the UE may receive all or part of the carrier jump pattern sent by the first base station, or may Receiving some or all of one of the carrier jump patterns sent by the first base station.
  • the carrier jump pattern used in the service may be, in particular, receiving part or all of the carrier jump patterns used by the first base station to serve the UE.
  • the UE receives, by the first base station, the UE Some or all of the carrier jump patterns used in the service, including:
  • each node or node set in the node is the UE Part or all of at least one carrier jump pattern used in the service.
  • the uplink and downlink carrier jump patterns may be the same or different, that is, the UE. Transmitting signals to the first base station and receiving signals transmitted by the first base station may use the same carrier hopping pattern or different carrier hopping patterns.
  • Multiple sets of carrier jump patterns may be defined for different types of received or transmitted signals, or multiple sets of carrier jump patterns may be defined according to different types of signals received or transmitted by the UE from each node.
  • the UE Receiving, by the first carrier hopping pattern, a data signal sent by the first base station; and/or, the UE transmitting the data signal to the first base station according to the second carrier hopping pattern; and/or, the UE Receiving, by the third carrier hopping pattern, a downlink reference signal sent by the first base station; and/or, the UE transmitting the uplink reference signal to the first base station according to the fourth carrier hopping pattern.
  • the first downlink reference signal sent by the first base station may be received according to the fifth carrier jump pattern, or the second downlink reference signal sent by the first base station may be received according to the sixth carrier jump pattern.
  • the UE receives the first downlink reference signal sent by the first base station according to the fifth carrier hopping pattern, and the UE And transmitting, to the first base station, a measurement result obtained according to the first downlink reference signal, where the measurement result includes channel state information CSI, where the measurement result may be sent according to the fifth carrier jump pattern to the first base station;
  • the UE After the UE receives the second downlink reference signal sent by the first base station according to the sixth carrier jump pattern, the UE And transmitting, to the first base station, a measurement result obtained according to the second downlink reference signal, where the measurement result includes a reference signal received power RSRP, a reference signal received quality RSRQ, and a reference signal strength indicator RSSI At least one of the following, wherein the measurement result may be transmitted to the first base station according to the sixth carrier jump pattern.
  • the measurement result includes a reference signal received power RSRP, a reference signal received quality RSRQ, and a reference signal strength indicator RSSI At least one of the following, wherein the measurement result may be transmitted to the first base station according to the sixth carrier jump pattern.
  • the first uplink reference signal may be sent to the first base station according to the seventh carrier jump pattern, or may be sent to the first base station according to the eighth carrier jump pattern.
  • this embodiment can work only on part carrier / partial subframe, other carriers / Subframes still work using traditional network planning, ie, without carrier jumps.
  • the node may be sent to the UE on a carrier/subframe that does not perform carrier jump. Notify one or more sets of carrier jump patterns configured for it.
  • UE Determining, according to the carrier hopping pattern, a carrier set used for receiving a signal sent by the first base station on each time unit, and then receiving, by using a corresponding carrier set, a reference signal sent by the first base station and/or on the corresponding time unit. Or data signal; and / or
  • UE Determining, according to the carrier jump pattern, a carrier set used for transmitting a signal to the first base station on each time unit, and then transmitting a reference signal to the first base station by using the corresponding carrier set on the corresponding time unit. Or data signal.
  • UE Receiving at least one carrier hopping pattern sent by the first base station, where different carrier hopping patterns are used differently, such as notifying the UE of at least one of the foregoing eight carrier hopping patterns.
  • UE also for the UE And receiving part or all of at least one carrier hopping pattern used by the first base station for serving, such as part or all of at least one of the foregoing eight carrier hopping patterns of the UE.
  • UE It is not necessary to know the node information for which it is served, and only needs to perform corresponding measurement, feedback, transmission or reception of data according to the received carrier jump pattern, and the like.
  • the UE receives all of the carrier hopping patterns sent by the first eNB, and may be the UE.
  • Receiving, by the first base station, a Cell-specific or node-specific carrier jump pattern of the node served by the first base station, that is, all information of the carrier jump pattern used by the node is notified to The UE may receive the broadcast signaling for the UE to obtain the corresponding information, or may obtain the corresponding information for the UE to receive the high layer signaling or DCI signaling.
  • Receiving, by the UE, a part of the carrier hop pattern sent by the first base station may receive, by the UE, a Cell-specific or node-specific
  • the part of the carrier jump pattern used for the UE service that is, the information received by the UE includes only the carrier jump information of the time unit associated with the UE in the carrier jump pattern or the UE in some time units.
  • the UE performs CSI according to the carrier jump pattern served by the first base station for its service.
  • the measurement on each time unit, measures the CSI on the corresponding carrier according to a reference signal on the corresponding carrier or the like.
  • the UE may consider the same time unit of each cycle of the same carrier jump pattern to be measured.
  • the CSI corresponds to the same or similar channel conditions, and the corresponding statistical processing of these CSIs can be performed.
  • UE may consider the CSI measured on the same carrier of each cycle of the same carrier hopping pattern. Corresponding equal or equal statistical processing of these CSIs can be performed corresponding to the same or similar channel conditions.
  • UE It is not considered to correspond to the same or similar channel conditions, so that statistical processing such as averaging cannot be performed.
  • the reference signal used by the UE to measure the CSI includes a channel state information reference signal (Channel State Information-Reference Signal (CSI-RS), Common Reference Signal (Common Reference Signal, CRS), the reference signal may come from one node or from a plurality of different nodes, but the UE does not need to know whether it is from a different node, and only measures CSI according to the corresponding reference signal resource.
  • CSI-RS Channel State Information-Reference Signal
  • CRS Common Reference Signal
  • the UE receives the new notification that the first base station notifies before the carrier jump pattern changes.
  • the carrier jump pattern is enabled at the predefined time or the enable time of the notification.
  • the UE receives the first base station and sends the UE as the UE.
  • Information about all carriers that the service may use or information about all carriers that may be used by each of the nodes serving the UE.
  • the UE in the present invention may be At the same time, only user equipment that receives data on one carrier is supported.
  • the user equipment UE receives the information of starting the carrier jump mode and/or the carrier jump pattern. And transmitting a signal to the first base station according to the carrier jump pattern and/or receiving a signal sent by the first base station.
  • the first base station is serving the UE, even for the UE that only supports receiving data on one carrier at the same time
  • the first base station may choose to send signals to the UE or receive the UE.
  • the combination of time unit, carrier, and node used when transmitting the signal may be selected as a UE in a carrier set larger than the number of carriers supported by the user at the same time.
  • the carrier used by the service realizes dynamic carrier selection and load adaptive equalization in two dimensions of carrier and node, thereby improving system performance.
  • the base station side has been described in detail based on the first embodiment, so For the description of the UE side, refer to the first embodiment, and details are not described herein again.
  • FIG. 4 is a structural block diagram of a base station according to an embodiment of the present invention. For convenience of explanation, only the portion related to the embodiment of the present invention is shown.
  • the base station 4 is configured to perform the method for allocating carriers in the foregoing embodiments, and the base station 4 includes: a pattern acquiring unit 41.
  • the configuration information transmitting unit 42 and the signal interaction unit 43 are provided.
  • the pattern obtaining unit 41 is configured to acquire a carrier jump pattern.
  • the configuration information sending unit 42 is configured to send carrier configuration information to the user equipment UE.
  • the carrier configuration information includes information for starting a carrier jump and Or the carrier hopping pattern, the carrier hopping pattern represents a set of carriers used by a user equipment on at least one time unit, the set of carriers comprising at least one carrier;
  • a signal interaction unit 43 configured to send a signal to the UE according to the carrier hopping pattern and/or receive the UE The signal sent.
  • the signal interaction unit 43 And transmitting, by the at least one node of the base station, a signal to the UE and/or receiving a signal sent by the UE on a carrier corresponding to the time unit on a time unit determined by the carrier jump pattern.
  • the pattern obtaining unit 41 includes:
  • a first pattern acquisition module configured to acquire a pre-configured carrier jump pattern
  • a second pattern obtaining module configured to acquire a carrier jump pattern determined by the station or determined by other network devices.
  • the carrier hopping pattern is used to indicate that at least one time unit of the first base station transmits a signal to the UE and/or receives the at least one time unit within a period of the carrier hopping pattern.
  • UE The set of carriers used when transmitting the signal.
  • the signal interaction unit 43 includes:
  • a data signal sending module configured to send a data signal to the UE according to the first carrier jump pattern
  • a data signal receiving module configured to receive, according to the second carrier jump pattern, a data signal sent by the UE; and/or,
  • a downlink reference signal sending module configured to send a downlink reference signal to the UE according to the third carrier hopping pattern
  • an uplink reference signal sending module configured to receive an uplink reference signal sent by the UE according to the fourth carrier hopping pattern.
  • the signal interaction unit 43 further includes:
  • a first downlink reference signal sending module configured to send a first downlink reference signal to the UE according to the fifth carrier hopping pattern
  • a second downlink reference signal sending module configured to send a second downlink reference signal to the UE according to the sixth carrier hopping pattern.
  • the signal interaction unit 43 further includes:
  • a first measurement result receiving module configured to receive the UE According to the measurement result obtained by the first downlink reference signal, the measurement result includes channel state information CSI;
  • the measurement result includes reference signal received power RSRP, reference signal received quality RSRQ, reference signal strength indicator RSSI At least one of them.
  • the signal interaction unit 43 further includes:
  • a first uplink reference signal receiving module configured to receive, according to a seventh carrier hopping pattern, a first uplink reference signal sent by the UE;
  • a second uplink reference signal receiving module configured to receive the UE according to an eighth carrier jump pattern The second uplink reference signal transmitted.
  • the configuration information sending unit 42 includes:
  • a first configuration information sending module configured to send all or part of the carrier jump pattern to the UE
  • a second configuration information sending module configured to send part or all of the carrier jump pattern to the UE.
  • the first configuration information sending module sends a carrier jump pattern used when serving the UE to the UE .
  • the first configuration information sending module sends a part or all carrier jump pattern used when serving the UE to the UE.
  • the first configuration information sending module includes:
  • a first sending submodule configured to send each node or node set of the nodes serving the UE as the UE Part or all of at least one carrier jump pattern used in the service to the UE; and / or,
  • a second sending submodule configured to send as the UE Node information of the service and part or all of at least one carrier jump pattern used by each node or set of nodes in the node to the UE; and / or,
  • a third sending submodule configured to send node information serving the UE, and each node or node set in the node is the UE Part or all of at least one carrier jump pattern used in the service to the UE.
  • At least one node of the base station does not perform cooperative carrier jump; and/or
  • At least one carrier of at least one node of the base station does not perform cooperative carrier hopping.
  • the second base station includes at least one node
  • the first base station further includes:
  • a carrier pattern sending unit configured to send a carrier jump pattern used by a node under the first base station to the second base station;
  • a carrier pattern receiving unit configured to receive a carrier jump pattern used by the node under the second base station that is sent by the second base station.
  • the user equipment is a user equipment that only supports receiving data on one carrier at the same time.
  • the base station provided by the embodiment of the present invention serves the UE, even for the UE that only supports receiving data on one carrier at the same time. It is also possible to use different carriers on different time units to transmit signals to the UE or to receive signals transmitted by the UE. Can choose to send a signal to the UE or receive the UE.
  • the combination of time unit, carrier, and node used when transmitting the signal may be selected as a UE in a carrier set larger than the number of carriers supported by the user at the same time.
  • the carrier used by the service realizes dynamic carrier selection and load adaptive equalization in two dimensions of carrier and node, and improves system performance.
  • FIG. 5 is a structural block diagram of another base station according to an embodiment of the present invention. For ease of explanation, only parts related to the embodiment of the present invention are shown.
  • the base station 5 is configured to perform a method for allocating carriers in the above embodiments, and the base station 5 includes: a transceiver 51, the transceiver
  • the method for acquiring a carrier jump pattern is further configured to send carrier configuration information to a user equipment UE, where the carrier configuration information includes information for starting a carrier jump and/ Or the carrier hopping pattern, the carrier hopping pattern represents a carrier set used by the user equipment on the at least one time unit, the carrier set includes at least one carrier, and is further configured to send to the UE according to the carrier hopping pattern. Transmitting a signal and/or receiving a signal transmitted by the UE.
  • the transceiver passes 51 And transmitting, by the at least one node of the base station, a signal to the UE and/or receiving a signal sent by the UE on a carrier corresponding to the time unit on a time unit determined by the carrier hopping pattern.
  • the transceiver 51 acquires a pre-configured carrier jump pattern
  • the transceiver 51 acquires a carrier jump pattern determined by the station or determined by other network devices.
  • the carrier hopping pattern is used to indicate that at least one time unit of the first base station transmits a signal to the UE and/or receives the at least one time unit within a period of the carrier hopping pattern.
  • UE The set of carriers used when transmitting the signal.
  • the transceiver 51 sends a data signal to the UE according to the first carrier jump pattern.
  • the transceiver 51 receives a data signal sent by the UE according to a second carrier jump pattern; and/or,
  • the transceiver 51 transmits a downlink reference signal to the UE according to a third carrier jump pattern; and/or,
  • the transceiver 51 receives an uplink reference signal sent by the UE according to a fourth carrier jump pattern.
  • the transceiver 51 sends a first downlink reference signal to the UE according to the fifth carrier jump pattern.
  • the transceiver 51 transmits a second downlink reference signal to the UE according to a sixth carrier jump pattern.
  • the transceiver 51 receives the UE According to the measurement result obtained by the first downlink reference signal, the measurement result includes channel state information CSI;
  • the transceiver 51 receives the UE According to the measurement result obtained by the second downlink reference signal, the measurement result includes reference signal received power RSRP, reference signal received quality RSRQ, reference signal strength indicator RSSI At least one of them.
  • the transceiver 51 receives the first uplink reference signal sent by the UE according to the seventh carrier jump pattern; and / or,
  • the transceiver 51 receives the second uplink reference signal sent by the UE according to the eighth carrier jump pattern.
  • the transceiver 51 transmits all or part of the carrier jump pattern to the UE; or
  • the transceiver transmits some or all of the carrier jump pattern to the UE.
  • the transceiver 51 sends a carrier jump pattern used when serving the UE to the UE.
  • the transceiver 51 sends some or all of the carrier hopping patterns used for serving the UE to the UE. .
  • the transceiver 51 sends each node or node set of nodes serving the UE as the UE. Part or all of at least one carrier jump pattern used in the service to the UE; and / or,
  • the transceiver 51 is sent as the UE Node information of the service and part or all of at least one carrier jump pattern used by each node or set of nodes in the node to the UE; and / or,
  • the transceiver 51 sends node information serving the UE and each node or node set in the node is the UE Part or all of at least one carrier jump pattern used in the service to the UE.
  • At least one node of the base station does not perform cooperative carrier jump; and/or
  • At least one carrier of at least one node of the base station does not perform cooperative carrier hopping.
  • the second base station includes at least one node, and the transceiver 51 Transmitting, by the node under the first base station, a carrier jump pattern to the second base station; and/or
  • the transceiver 51 receives a carrier jump pattern used by a node under the second base station and sent by the second base station.
  • the user equipment is a user equipment that only supports receiving data on one carrier at the same time.
  • FIG. 6 is a structural block diagram of a user equipment according to an embodiment of the present invention. For the convenience of the description, only the part related to the embodiment of the present invention is shown.
  • the user equipment 6 is configured to perform the method for allocating carriers in the foregoing embodiments.
  • the user equipment 6 includes: a configuration information receiving unit 61. And signal transceiver unit 62.
  • the configuration information receiving unit 61 configured to receive carrier configuration information sent by the first base station, where the carrier configuration information includes information for starting a carrier jump and/ Or a carrier hopping pattern, the carrier hopping pattern representing a set of carriers used by the user equipment on the at least one time unit, the set of carriers comprising at least one carrier;
  • a signal transceiving unit 62 configured to send a signal to the first base station according to the carrier jump pattern and Or receiving a signal sent by the first base station.
  • the signal transceiving unit 62 Receiving, on a time unit determined by the carrier jump pattern, a signal sent by at least one node of the first base station and/or on a carrier corresponding to the time unit Or transmitting a signal to at least one node of the first base station.
  • the carrier jump pattern is pre-configured; and/or
  • the carrier jump pattern is determined by the first base station or determined by other network devices.
  • the carrier hopping pattern is used to indicate at least one time unit within a period of the carrier hopping pattern, the UE A set of carriers used to transmit signals to and/or receive signals transmitted by at least one node of the first base station.
  • the signal transceiving unit 62 includes:
  • a data signal receiving module configured to receive, according to the first carrier jump pattern, a data signal sent by the first base station; and/or,
  • a data signal sending module configured to send a data signal to the first base station according to the second carrier jump pattern
  • a downlink reference signal receiving module configured to receive, according to a third carrier hopping pattern, a downlink reference signal sent by the first base station;
  • an uplink reference signal sending module configured to send an uplink reference signal to the first base station according to the fourth carrier jump pattern.
  • the signal transceiving unit 62 includes:
  • a first downlink reference signal receiving module configured to receive, according to a fifth carrier jump pattern, a first downlink reference signal sent by the first base station;
  • the second downlink reference signal receiving module is configured to receive the second downlink reference signal sent by the first base station according to the sixth carrier jump pattern.
  • the signal transceiver unit 62 further includes:
  • a first measurement result sending module configured to send, to the first base station, a measurement result obtained according to the first downlink reference signal, where the measurement result includes channel state information CSI;
  • a second measurement result sending module configured to send, to the first base station, a measurement result obtained according to the second downlink reference signal, where the measurement result includes a reference signal received power RSRP and a reference signal received quality RSRQ
  • the reference signal strength indicates at least one of the RSSIs.
  • the signal transceiving unit 62 further includes:
  • a first uplink reference signal sending module configured to send, according to the seventh carrier hopping pattern, a first uplink reference signal to the first base station;
  • the second uplink reference signal sending module is configured to send a second uplink reference signal to the first base station according to the eighth carrier jump pattern.
  • the configuration information receiving unit 61 includes:
  • a first carrier pattern receiving module configured to receive all or part of the carrier jump pattern sent by the first base station
  • a second carrier pattern receiving module configured to receive part or all of one of the carrier jump patterns sent by the first base station.
  • the first carrier pattern receiving module receives, by the first base station, the UE The carrier jump pattern used when servicing.
  • the first carrier pattern receiving module receives, by the first base station, the UE Some or all of the carrier jump patterns used in the service.
  • the first carrier pattern receiving module receives, by the first base station, the UE
  • Each node or set of nodes in the serving node is part or all of at least one carrier jump pattern used by the UE for service; and/or,
  • Receiving, by the first base station, node information serving the UE, and each node or node set in the node is the UE Part or all of at least one carrier jump pattern used in the service.
  • the user equipment 6 is a user equipment that only supports receiving data on one carrier at the same time.
  • FIG. 7 is a structural block diagram of another user equipment according to an embodiment of the present invention. For convenience of explanation, only the parts related to the embodiment of the present invention are shown.
  • the user equipment 7 is used to perform the method for allocating carriers in the above embodiments, and the user equipment 7 includes: a transceiver 71.
  • the transceiver 71 is configured to receive carrier configuration information sent by the first base station, where the carrier configuration information includes information for starting a carrier jump and Or a carrier hopping pattern, the carrier hopping pattern indicating a carrier set used by the user equipment on the at least one time unit, the carrier set includes at least one carrier; and is further configured to send to the first base station according to the carrier hopping pattern Send signal and / or receiving a signal transmitted by the first base station.
  • the transceiver 71 Receiving, on a time unit determined by the carrier jump pattern, a signal sent by at least one node of the first base station and/or on a carrier corresponding to the time unit Or transmitting a signal to at least one node of the first base station.
  • the carrier jump pattern is pre-configured; and/or
  • the carrier jump pattern is determined by the first base station or determined by other network devices.
  • the carrier hopping pattern is used to indicate at least one time unit within a period of the carrier hopping pattern, the UE A set of carriers used to transmit signals to and/or receive signals transmitted by at least one node of the first base station.
  • the transceiver 71 receives the data signal sent by the first base station according to the first carrier jump pattern.
  • the transceiver 71 transmits a data signal to the first base station according to a second carrier jump pattern; and/or,
  • the transceiver 71 receives the downlink reference signal sent by the first base station according to a third carrier jump pattern; and/or,
  • the transceiver sends an uplink reference signal to the first base station according to a fourth carrier jump pattern.
  • the transceiver 71 receives the first downlink reference signal sent by the first base station according to the fifth carrier jump pattern.
  • the transceiver 71 receives the second downlink reference signal sent by the first base station according to the sixth carrier jump pattern.
  • the transceiver 71 And transmitting, to the first base station, a measurement result obtained according to the first downlink reference signal, where the measurement result includes channel state information CSI;
  • the transceiver 71 And transmitting, to the first base station, a measurement result obtained according to the second downlink reference signal, where the measurement result includes a reference signal received power RSRP, a reference signal received quality RSRQ, and a reference signal strength indicator At least one of the RSSIs.
  • the measurement result includes a reference signal received power RSRP, a reference signal received quality RSRQ, and a reference signal strength indicator At least one of the RSSIs.
  • the transceiver 71 sends a first uplink reference signal to the first base station according to a seventh carrier jump pattern.
  • the transceiver 71 transmits a second uplink reference signal to the first base station according to an eighth carrier jump pattern.
  • the transceiver 71 receives all or part of the carrier jump pattern sent by the first base station; or
  • the transceiver 71 receives some or all of one of the carrier jump patterns sent by the first base station.
  • the transceiver 71 receives a carrier jump pattern used by the first base station to serve the UE.
  • the transceiver 71 receives the first base station and sends the UE Some or all of the carrier jump patterns used in the service.
  • the transceiver 71 receives the first base station and sends the UE
  • Each node or set of nodes in the serving node is part or all of at least one carrier jump pattern used by the UE for service; and/or,
  • the transceiver 71 receives the first base station and sends the UE Node information of the service and part or all of at least one carrier jump pattern used by each node or set of nodes in the node; and / or,
  • the transceiver 71 receives the first base station and sends the UE
  • the node information of the service and each node or set of nodes in the node are part or all of at least one carrier jump pattern used when serving the UE.
  • the user equipment 7 is a user equipment that only supports receiving data on one carrier at the same time.
  • each unit included is only divided according to functional logic, but is not limited to the above division, as long as the corresponding function can be implemented; in addition, the specific name of each functional unit It is also for convenience of distinguishing from each other and is not intended to limit the scope of protection of the present invention.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention peut s'appliquer au domaine technique des communications sans fil et concerne un procédé d'attribution de porteuse, un équipement d'utilisateur et une station de base. Le procédé de l'invention fait appel : à l'acquisition, par une première station de base, d'un motif de saut de porteuse ; à l'envoi, par la première station de base, d'informations de configuration de porteuse à un équipement d'utilisateur (UE), les informations de configuration de porteuse comprenant des informations concernant un démarrage de saut de porteuse et/ou le motif de saut de porteuse, le motif de saut de porteuse représentant un ensemble de porteuses utilisé par l'équipement d'utilisateur sur au moins un créneau temporel, et l'ensemble de porteuses comprenant au moins une porteuse ; et à l'envoi, par la première station de base, d'un signal à l'UE et/ou à la réception, par cette dernière, d'un signal envoyé par l'UE conformément au motif de saut de porteuse. Selon la présente invention, une station de base peut sélectionner une porteuse utilisée pour desservir un UE dans un ensemble de porteuses, supérieur en nombre au nombre de porteuses simultanément prises en charge par l'utilisateur, de façon à réaliser une sélection dynamique de porteuse en deux dimensions de porteuse et de nœud et une égalisation adaptative de charges, ce qui améliore la performance de système.
PCT/CN2012/086332 2012-12-11 2012-12-11 Procédé d'attribution de porteuse, équipement d'utilisateur et station de base WO2014089750A1 (fr)

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CN101014156A (zh) * 2007-01-22 2007-08-08 协同智迅通信技术（深圳）有限公司 具有控制信道跳频功能的数字集群通信方法
CN101087289A (zh) * 2006-06-09 2007-12-12 中兴通讯股份有限公司 一种基于正交频分复用的跳频通信方法
US20100159940A1 (en) * 2004-03-19 2010-06-24 Qualcomm Incorporated Methods and apparatus for flexible spectrum allocation in communication systems
CN102404751A (zh) * 2011-12-05 2012-04-04 昆明理工大学 一种基于跳频的跨层认知无线电网络用户接入方法
CN102415185A (zh) * 2009-05-04 2012-04-11 高通股份有限公司 无线通信中的数据和控制复用

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US20100159940A1 (en) * 2004-03-19 2010-06-24 Qualcomm Incorporated Methods and apparatus for flexible spectrum allocation in communication systems
CN101087289A (zh) * 2006-06-09 2007-12-12 中兴通讯股份有限公司 一种基于正交频分复用的跳频通信方法
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