WO2011044820A1 - 一种上行控制信道资源配置方法、设备和*** - Google Patents
一种上行控制信道资源配置方法、设备和*** Download PDFInfo
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- WO2011044820A1 WO2011044820A1 PCT/CN2010/077429 CN2010077429W WO2011044820A1 WO 2011044820 A1 WO2011044820 A1 WO 2011044820A1 CN 2010077429 W CN2010077429 W CN 2010077429W WO 2011044820 A1 WO2011044820 A1 WO 2011044820A1
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- carrier
- downlink carrier
- control channel
- pdcch
- uplink
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
Definitions
- the present invention relates to the field of communications technologies, and in particular, to a method, a device, and a system for configuring an uplink control channel resource. Background technique
- LTE Long Term Evolution
- 3G 3rd Generation, 3rd Generation Mobile Communication System
- LTE improves and enhances 3G air access technology, using OFDM (Orthogonal Frequency Division Multiplexing).
- MIMO Multiple Input Multiple Output
- LTE can provide downlink peak rates of 100 Mbit/s and uplink 50 Mbit/s in a 20 MHz spectrum bandwidth, improving the performance of cell edge users, increasing cell capacity, and reducing system delay.
- the technical characteristics of LTE include high data rate, packet transmission, low delay, wide area coverage and backward compatibility.
- a spectrum of 100 M bandwidth can be directly allocated, as shown in the single spectrum system shown in FIG. Intention; It is also possible to aggregate some of the spectrum allocated to the existing system and make up a wider system bandwidth for use in a long-term evolution multi-carrier system, as shown in the schematic diagram of the spectrum aggregation system shown in FIG.
- the uplink and downlink carriers in the system can be asymmetrically configured, that is, the user may occupy N ⁇ 1 carriers for downlink transmission, and occupy M ⁇ 1 carriers for uplink transmission.
- the uplink control signaling will occupy both ends of the frequency band and use the frequency hopping mode for transmission, that is, in two time slots in one subframe, the uplink control signaling will occupy different frequency bands for transmission.
- the system reserves a certain resource in the uplink subframe for uplink control channel transmission.
- the UE User Equipment
- the CCE Control Channel Element
- n c CE Physical Downlink Control Channel
- the number ( nAN ) that is, each PDCCH corresponds to one available uplink control channel resource, and the available uplink control channel resource is reserved for each PDCCH.
- the invention provides a method, a device and a system for configuring an uplink control channel resource, so as to save system resources and improve transmission efficiency of the system.
- an embodiment of the present invention provides a method for configuring an uplink control channel resource, including:
- the network side device determines a downlink carrier set of the user equipment UE and a downlink carrier that has a cell-specific pairing relationship in the downlink carrier set;
- the network side device configures an uplink control channel resource according to the determined result that the downlink carrier does not have a cell-specific pairing relationship.
- the embodiment of the invention further provides a network side device, including:
- a determining module configured to determine a downlink carrier of the UE and a downlink carrier that has a cell-specific pairing relationship in the downlink carrier set;
- a configuration module configured to configure an uplink control channel resource for the downlink carrier that does not have a cell-specific pairing relationship according to the determination result of the determining module.
- the embodiment of the invention further provides a method for configuring an uplink control channel resource, including:
- the UE receives the configuration information from the network side device, where the configuration information includes the uplink control channel resource configured by the network side device as the unpaired downlink carrier;
- An embodiment of the present invention further provides a user equipment UE, including:
- a transceiver module configured to receive configuration information from a network side device, where the configuration information includes an uplink control channel resource configured by the network side device as a non-paired downlink carrier, and a transmission module, configured to use the uplink control channel resource to transmit The ACK/NACK feedback information corresponding to the PDCCH on the unpaired downlink carrier.
- An embodiment of the present invention further provides an uplink control channel resource configuration system, including a network side device and a UE, where
- the network side device is configured to: determine an uplink carrier set of the UE and a downlink carrier that has a cell-specific pairing relationship in the downlink carrier set; and configure an uplink control channel resource for the downlink carrier that does not have a cell-specific pairing relationship according to the determination result;
- the UE is configured to receive configuration information from the network side device, where the configuration information includes an uplink control channel resource configured by the network side device as a non-paired downlink carrier, and using the uplink control channel resource transmission station.
- the ACK/NACK feedback information corresponding to the PDCCH on the unpaired downlink carrier is described.
- the present invention has at least the following advantages:
- the uplink feedback channel overhead in the system is reduced, and resource reservation and configuration can be performed.
- the method provided by the invention is simple and easy to implement, and is suitable for FDD and TDD systems, can improve the system performance of the long-term evolution multi-carrier upgrade system, and can be compatible with the existing LTE system.
- FIG. 1 is a schematic diagram of a single spectrum system in the prior art
- FIG. 2 is a schematic diagram of a spectrum aggregation system in the prior art
- FIG. 3 is a schematic diagram of a transmission mode of an FDD system in the prior art
- FIG. 4 is a schematic diagram of a transmission mode of a TDD system in the prior art
- FIG. 5 is a schematic flowchart of a method for configuring an uplink control channel resource according to Embodiment 1 of the present invention.
- FIG. 6 is a schematic flowchart of a method for configuring an uplink control channel resource according to Embodiment 2 of the present invention.
- FIG. 7 is a schematic diagram of a cell-specific pairing relationship between a downlink carrier and an uplink carrier according to an embodiment of the present invention.
- FIG. 8 is a schematic diagram of feedback of an ACK/NACK corresponding to a PDCCH on a downlink carrier in an uplink carrier according to an embodiment of the present invention
- FIG. 9 is an ACK/NACK feedback for cross-carrier scheduling in an embodiment of the present invention.
- FIG. 10 is a schematic diagram of transmission of ACK/NACK feedback during cross-carrier scheduling in the embodiment of the present invention.
- 11 is a schematic diagram of correspondence between uplink control channel resources and PDCCH when multiple uplink control channel resources are configured in the embodiment of the present invention
- FIG. 12 is a schematic structural diagram of a network side device according to Embodiment 3 of the present invention
- FIG. 13 is a schematic structural diagram of a user equipment according to Embodiment 4 of the present invention.
- the base station may configure the UE to perform asymmetric carrier aggregation according to the aggregation capability of the UE and the specific service requirements, and the DL (Downlink, downlink)
- the DL (Downlink, downlink) When the number of carriers is larger than the UL (UpLink) carrier, if you want to flexibly support all kinds of asymmetric aggregation, the system needs to reserve corresponding feedback resources for each downlink carrier in each uplink carrier. As a result, there is a serious waste of resources in the uplink carrier, and the data transmission may be performed without the available uplink resources, and the system transmission efficiency is seriously affected.
- the embodiment of the present invention provides an uplink control channel resource configuration, and the uplink control channel is provided.
- Resource configuration is a method of dynamically and quasi-static resource allocation, which can significantly reduce the size of control channel resources reserved in each uplink component carrier, thereby improving uplink transmission efficiency.
- Embodiment 1 of the present invention provides a method for configuring an uplink control channel resource, as shown in FIG. 5, including the following steps:
- Step 501 The network side device determines an uplink carrier set and a downlink carrier set of the UE. There is a downlink carrier with a cell-specific pairing relationship.
- Step 502 The network side device configures an uplink control channel resource according to a downlink carrier that does not have a cell-specific pairing relationship according to the determination result.
- the method further includes: determining, by the network side device, a carrier set that is aggregated by the UE, where the carrier set includes an uplink carrier Set and downlink carrier set.
- the paired downlink carrier is a downlink carrier that is determined to be the cell-specific pairing relationship
- the unpaired downlink carrier is the downlink carrier that does not exist in the cell-specific pairing relationship.
- the network side device configures the uplink control channel resource for the downlink carrier that does not have the cell-specific pairing relationship according to the determination result: the network side device configures the PDCCH corresponding to the UE by using the high layer signaling.
- the PDCCH includes: a PDCCH that dynamically schedules downlink data transmission, and/or a PDCCH that is released by SPS (semi-persistently scheduled) resources.
- the network-side device configures, by using the high-layer signaling, the uplink control channel resource used by the PDCCH to correspond to the ACK/NACK feedback information of the PDCCH.
- the ACK/NACK feedback information corresponding to the PDCCH is configured with N - M ' uplink control channel resources; where N is the number of aggregated downlink carriers, M is the number of uplink carriers, and M uplink carriers and M ' downlink carriers have Pairing relationship, M ' ⁇ N.
- the network-side device uses high-layer signaling as
- the uplink control channel resource used by the UE to configure the ACK/NACK feedback information corresponding to the PDCCH includes: the network side device corresponding to the PDCCH by using the high layer signaling
- ACK/NACK feedback information configures k uplink control channel resources; Ke ⁇ 0,l,..., N ⁇ .
- the network side device determines that the PDCCH of the UE cannot be transmitted on the unpaired downlink carrier
- the network side device determines that the number of PDCCHs transmitting the UE on the unpaired downlink carrier is not more than k.
- Step 503 The UE receives the configuration information from the network side device, where the configuration information includes the uplink control channel resource configured by the network side device as the unpaired downlink carrier.
- Step 504 The UE uses the uplink control channel resource to transmit ACK/NACK feedback information corresponding to the PDCCH on the unpaired downlink carrier.
- the configuration information further includes: aggregated carrier set information, no paired downlink carrier information, and paired downlink carrier information determined by the network side device;
- the PDCCH includes: a PDCCH that dynamically schedules downlink data transmission, and/or , the PDCCH released by the SPS resource.
- the UE determines, according to the carrier number of the PDCCH and the occupied CCE number, when the feedback information corresponding to the PDCCH is transmitted.
- the UE transmits the ACK/NACK feedback information corresponding to the PDCCH on the paired downlink carrier on the paired uplink carrier of the paired downlink carrier.
- the UE determines, according to the CCE location occupied by the PDCCH on the paired downlink carrier, the uplink control channel resource used when transmitting the feedback information corresponding to the PDCCH.
- the uplink feedback channel overhead in the system is reduced, and resource reservation and configuration can be performed.
- the method provided by the invention is simple and easy to implement, and is suitable for FDD and TDD systems, can improve the system performance of the long-term evolution multi-carrier upgrade system, and can be compatible with the existing LTE system.
- the second embodiment of the present invention provides an uplink control channel resource configuration method, where the uplink control channel resource configuration method is applied to a long-term evolution multi-carrier system using spectrum aggregation technology, and is compatible with an existing LTE system, as shown in FIG.
- Step 601 The network side device determines whether there is a cell-specific pairing relationship between the uplink and downlink carriers. When there is a cell-specific pairing relationship, the process proceeds to step 602. When there is no cell-specific pairing relationship, the process proceeds to the step. 603.
- the network side device includes, but is not limited to, an RNC (Radio Network Controller), an NB (Node B, a Node B), an eNB (enhanced Node B), a base station, and the like.
- the network side device is not limited to the above devices, and all devices located on the network side are within the protection scope of the present invention. For convenience of description, in the embodiment of the present invention, the network side device is described by taking a base station as an example.
- downlink carrier 1 and downlink carrier 2 As shown in FIG. 7, for downlink carrier 1 and downlink carrier 2, a cell-specific pairing relationship corresponding to uplink carrier 1; and for downlink carrier 3 and downlink carrier 4, a cell exclusive corresponding to the uplink carrier Pairing relationship.
- Step 602 The base station transmits, by using the uplink control channel resource reserved in the paired UL carrier, the ACK/NACK feedback corresponding to the PDCCH on the DL carrier in which the pairing relationship exists. That is, the base station reserves the uplink control channel resource for the PDCCH on the DL carrier in the paired UL carrier corresponding to the DL carrier, and then the UE uses the reserved uplink control channel resource to transmit the ACK/NACK feedback corresponding to the PDCCH.
- the PDCCH includes: a PDCCH that dynamically schedules downlink data transmission, and/or a PDCCH that is released by the SPS resource.
- the pairing relationship can be used to determine which uplink carrier the ACK/NACK corresponding to the PDCCH on each downlink carrier will be fed back. , as shown in Figure 8.
- the uplink control channel resource obtained according to the CCE number is on the UL carrier 1, that is, the DL carrier 1 and the UL carrier 1 have a corresponding pairing relationship (pairing 1), and the PDCCH corresponding to the PDCCH on the DL carrier 1 ACK/NACK will be fed back in UL carrier 1;
- the uplink control channel corresponding to the PDCCH on the DL carrier 2 is in the UL.
- the uplink control channel corresponding to the PDCCH on DL carrier 3 and DL carrier 4 is on UL carrier 2. That is, DL carrier 2 and UL carrier 1 have a corresponding pairing relationship (pairing 2), ACK/NACK corresponding to PDCCH on DL carrier 2 will be fed back in UL carrier 1; DL carrier 3 has corresponding pairing with UL carrier 2 Relationship (pairing 3), ACK/NACK corresponding to the PDCCH on DL carrier 3 will be fed back in UL carrier 2; DL carrier 4 has a corresponding pairing relationship with UL carrier 2 (pairing 4), PDCCH on DL carrier 4 The corresponding ACK/NACK will be fed back in UL carrier 2.
- the base station determines that the UE needs to perform carrier aggregation, it is learned that the number of DL carriers to be aggregated is N, and the number of UL carriers is M.
- M of the UL carriers have a pairing relationship with M ' DL carriers. It can be seen that M ' ⁇ N (M ' DL carriers are some or all of N DL carriers that need to be aggregated), then the UE will use the paired UL.
- the PDCCH/NACK feedback corresponding to the PDCCH on the DL carrier (ie, M ' DL carriers) of the paired UL carrier is transmitted by the uplink control channel resource reserved in the carrier, and is not described in detail here.
- the UE determines, according to the CCE location occupied by the PDCCH on the paired downlink carrier, the uplink control channel resource used when transmitting the feedback information corresponding to the PDCCH, in the embodiment of the present invention.
- the base station configures the uplink control channel resource for the UE through the high layer signaling, and uses the configured uplink control channel resource to transmit the ACK/NACK feedback corresponding to the PDCCH on the downlink carrier without the pairing relationship.
- the base station needs to pass high-layer signaling (for example, RRC (Radio Resource Control) signaling is configured to allocate an uplink control channel resource for the UE, and use the configured uplink control channel resource to transmit the ACK/NACK corresponding to the PDCCH on the downlink carrier without the pairing relationship.
- RRC Radio Resource Control
- the base station can configure the N-M′ uplink control channel resources for the UE by using the high-layer signaling, where the number of DL carriers to be aggregated is N, and the number of UL carriers is M. And the M UL carriers have a pairing relationship with the M′ DL carriers. It can be seen that, for the M′ DL carriers, the uplink control channel resources are reserved on the M UL carriers corresponding thereto, and then the M The ACK/NACK feedback is transmitted on the UL carrier, and the process has been described in detail in step 602, and details are not described in detail in this step.
- the remaining N-M' DL carriers without a pairing relationship need to be configured by the base station to configure the uplink control channel resources by using the high-level signaling, and the UE uses the configured uplink control channel resources to transmit the N- M ' DL carriers.
- Corresponding ACK/NACK feedback corresponding ACK/NACK feedback.
- the base station needs to configure one uplink control channel resource for the UE through higher layer signaling, and The UE uses the uplink control channel resource to transmit ACK/NACK information corresponding to the PDCCH on the DL carrier 3.
- the base station needs to configure the uplink control channel resource for the UE by using high-layer signaling (for example, RRC signaling). And transmitting, by the UE, the ACK/NACK feedback corresponding to the PDCCH on the downlink carrier without the pairing relationship by using the configured uplink control channel resource.
- high-layer signaling for example, RRC signaling
- the base station may configure 1 ⁇ () , 1 -, ⁇ uplink control channel resources by using the high-level signaling, and use the k uplink control channel resources by the UE to transmit the PDCCH on the DL carrier without the pairing relationship.
- Corresponding ACK/NACK information the base station needs to limit that at most k PDCCHs can be transmitted on the unpaired DL carrier.
- the PDCCH for scheduling carrier 1, the PDCCH for scheduling carrier 2, the PDCCH for scheduling carrier 3, and the PDCCH for scheduling carrier 4 all need to be transmitted on DL carrier 1 and DL carrier 2, and then UL carrier 1 can be used.
- the ACK/NACK feedback information corresponding to the PDCCH is transmitted.
- the ACK/NACK information corresponding to the two PDCCHs transmitted on the DL carrier without the pairing relationship will be transmitted using the uplink control channel resources configured by the upper layer.
- the PDCCH of the scheduling carrier 1 and the PDCCH of the scheduling carrier 2 are transmitted on the DL carrier 1 and the DL carrier 2, respectively, and then the PDCCH of the scheduling carrier 1 and the PDCCH of the scheduling carrier 2 can be transmitted using the UL carrier 1 Corresponding ACK/NACK feedback information.
- the PDCCH of the scheduling carrier 3 and the PDCCH of the scheduling carrier 4 are transmitted on the DL carrier 3, and the PDCCH of the scheduling carrier 1 and the PDCCH of the scheduling carrier 2 are transmitted by the two uplink control channel resources configured by the base station for the UE. ACK/NACK feedback information.
- the corresponding relationship between the uplink control channel resource and the PDCCH may be through the carrier where the PDCCH is located.
- the number and the occupied CCE number are implicitly determined. For example, in the DL carrier with the smallest carrier number, the PDCCH with the smallest CCE number corresponds to the first configured uplink control channel resource, and then is arranged in ascending order according to CCE, and then arranged in ascending order according to the carrier number, as shown in FIG.
- the UE determines the uplink control used when transmitting the feedback information corresponding to the PDCCH according to the carrier number of the PDCCH and the occupied CCE number.
- the channel resources are not described in detail in the embodiments of the present invention.
- the foregoing base station configures multiple uplink control channel resources for the UE by using the high layer signaling, and the eNB is arbitrarily configured according to the actual needs, which is not detailed in the embodiment of the present invention.
- the method provided by the present invention in the long-term evolution multi-carrier system, when carrier aggregation is used, the uplink feedback channel overhead in the system is reduced, and resource reservation and configuration can be performed.
- the method provided by the invention is simple and easy to implement, and is suitable for FDD and TDD systems, can improve the system performance of the long-term evolution multi-carrier upgrade system, and can be compatible with the existing LTE system.
- the third embodiment of the present invention provides a network side device. As shown in FIG. 12, the method includes: a determining module 121, configured to determine a downlink carrier set of the UE and a downlink carrier that has a cell-specific pairing relationship in the downlink carrier set.
- the configuration module 122 is configured to configure, according to the determination result of the determining module 121, an uplink control channel resource for a downlink carrier that does not have a cell-specific pairing relationship.
- the determining module 121 is further configured to: determine, by the UE, an aggregated carrier set, where the carrier set includes an uplink carrier set and a downlink carrier set.
- the determining module 121 is further configured to: when the uplink carrier set includes the paired uplink carrier of the paired downlink carrier in the downlink carrier set, and determine that the paired downlink carrier is determined to be the downlink of the cell exclusive pairing relationship Carrier wave
- the uplink carrier set does not include the paired uplink carrier of the unpaired downlink carrier in the downlink carrier set, determining that the unpaired downlink carrier is a downlink carrier that does not have the cell-specific pairing relationship.
- the downlink carrier is an unpaired downlink carrier
- the configuration module 122 is specifically configured to configure an uplink control channel resource used by the UE for the ACK/NACK feedback information corresponding to the PDCCH by using the high layer signaling.
- the PDCCH includes: a PDCCH that dynamically schedules downlink data transmission, and/or a PDCCH that is semi-persistently scheduled to release SPS resources.
- the configuration module 122 is further configured to: configure, by using the high layer signaling, N - M ' uplink control channel resources for the ACK/NACK feedback information corresponding to the PDCCH;
- N is the number of downlink carriers aggregated
- M is the number of uplink carriers
- M The uplink carrier has a pairing relationship with M ' downlink carriers, M ' ⁇ N.
- the configuration module 122 is further configured to: correspond to the PDCCH by using high layer signaling.
- ACK/NACK feedback information is configured with k uplink control channel resources
- the configuration module 122 is further configured to: determine that the PDCCH of the UE is not transmitted on the unpaired downlink carrier;
- the configuration module 122 is further configured to determine that the number of PDCCHs for transmitting the UE on the unpaired downlink carrier is not more than k.
- the device provided by the present invention in the long-term evolution multi-carrier system, when carrier aggregation is used, the uplink feedback channel overhead in the system is reduced, and resource reservation and configuration can be performed.
- the method provided by the invention is simple and easy to implement, is suitable for FDD and TDD systems, can improve the system performance of the long-term evolution multi-carrier upgrade system, and can be compatible with the existing LTE system.
- the modules of the device of the present invention may be integrated or integrated.
- the above modules can be combined into one module, or can be further split into multiple sub-modules.
- a user equipment UE is also proposed in the fourth embodiment of the present invention. As shown in FIG. 13, the method includes:
- the transceiver module 131 is configured to receive configuration information from a network side device, where the configuration information includes an uplink control channel resource configured by the network side device as a paired downlink carrier.
- the transmitting module 132 is configured to use the uplink control channel resource to transmit ACK/NACK feedback information corresponding to the PDCCH on the unpaired downlink carrier.
- the configuration information further includes: aggregated carrier set information, unpaired downlink carrier information, and paired downlink carrier information determined by the network side device;
- the PDCCH includes: a PDCCH that dynamically schedules downlink data transmission, and/or, The PDCCH released by the SPS resource.
- the downlink carrier is a paired downlink carrier
- the transmitting module 132 is further configured to transmit, according to the paired uplink carrier of the paired downlink carrier, ACK/NACK feedback information corresponding to the PDCCH on the paired downlink carrier.
- the UE further includes: a determining module 133, configured to determine, according to the carrier number where the PDCCH is located and the occupied CCE number, the information used when transmitting the feedback information corresponding to the PDCCH Uplink control channel resources.
- the device provided by the present invention in the long-term evolution multi-carrier system, when carrier aggregation is used, the uplink feedback channel overhead in the system is reduced, and resource reservation and configuration can be performed.
- the method provided by the invention is simple and easy to implement, is suitable for FDD and TDD systems, can improve the system performance of the long-term evolution multi-carrier upgrade system, and can be compatible with the existing LTE system.
- modules of the device of the present invention may be integrated or integrated.
- the above modules can be combined into one module, or can be further split into multiple sub-modules.
- An embodiment of the present invention further provides an uplink control channel resource configuration system, including a network side device and a UE, where
- the network side device is configured to: determine an uplink carrier set of the UE and a downlink carrier that has a cell-specific pairing relationship in the downlink carrier set; and configure an uplink control channel resource for the downlink carrier that does not have a cell-specific pairing relationship according to the determination result;
- the UE is configured to receive configuration information from the network side device, where the configuration information includes an uplink control channel resource configured by the network side device as a non-paired downlink carrier, and using the uplink control channel resource transmission station.
- the ACK/NACK feedback information corresponding to the PDCCH on the unpaired downlink carrier is described.
- the uplink carrier set when the uplink carrier set includes a paired uplink carrier of a paired downlink carrier in a downlink carrier set, the paired downlink carrier is a downlink carrier that exists in the cell-specific pairing relationship;
- the unpaired downlink carrier is a downlink carrier that does not have the cell-specific pairing relationship.
- the network side device is further configured to: determine, by the UE, an aggregated carrier set, where the carrier set includes an uplink carrier set and a downlink carrier set.
- the downlink carrier is an unassociated downlink carrier
- the uplink control channel resource used by the PDCCH corresponding to the ACK/NACK feedback information is configured for the UE through the high layer signaling.
- the PDCCH includes: a PDCCH that dynamically schedules downlink data transmission, and/or a PDCCH that is released by the SPS resource.
- N-M′ uplink control channel resources for the ACK/NACK feedback information corresponding to the PDCCH by using the high layer signaling; where N is the number of aggregated downlink carriers. M is the number of uplink carriers, and M uplink carriers have a pairing relationship with M ' downlink carriers, M ' ⁇ N.
- the k uplink control channel resources are configured for the ACK/NACK feedback information corresponding to the PDCCH by using the high layer signaling; where k e ⁇ 0, l, . . . , N ⁇ .
- the network side device determines that the PDCCH of the UE cannot be uploaded on the unpaired downlink carrier;
- the network side device determines that the number of PDCCHs transmitting the UE on the unpaired downlink carrier is not more than k.
- the UE is further configured to: when the downlink carrier is a paired downlink carrier, transmit the ACK/NACK feedback information corresponding to the PDCCH on the paired downlink carrier on the paired uplink carrier of the paired downlink carrier.
- the uplink control channel resources used when transmitting the feedback information corresponding to the PDCCH are determined according to the carrier number of the PDCCH and the occupied CCE number.
- the system provided by the present invention in the long-term evolution multi-carrier system, when carrier aggregation is used, the uplink feedback channel overhead in the system is reduced, and resource reservation and configuration can be performed.
- the method provided by the invention is simple and easy to implement, and is suitable for FDD and TDD systems, can improve the system performance of the long-term evolution multi-carrier upgrade system, and can be compatible with the existing LTE system.
- a form of software product is embodied, the computer software product being stored in a storage medium, including instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform the present invention.
- a computer device which may be a personal computer, a server, or a network device, etc.
- modules in the apparatus in the embodiments may be distributed in the apparatus of the embodiment according to the description of the embodiments, or may be correspondingly changed in one or more apparatuses different from the embodiment.
- the modules of the above embodiments may be combined into one module, or may be further split into a plurality of sub-modules.
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Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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KR1020127009545A KR101368417B1 (ko) | 2009-10-16 | 2010-09-28 | 상향 링크 제어 채널 자원 할당 방법, 설비 및 시스템 |
EP10823050.9A EP2490496B8 (en) | 2009-10-16 | 2010-09-28 | Resource configuration method, equipment and system for uplink control channel |
US13/501,445 US9860038B2 (en) | 2009-10-16 | 2010-09-28 | Resource configuration method, equipment and system for uplink control channel |
JP2012533468A JP2013507859A (ja) | 2009-10-16 | 2010-09-28 | 一種の上り制御チャネル資源配置方法及び設備 |
MX2012004031A MX2012004031A (es) | 2009-10-16 | 2010-09-28 | Ong metodo, equipamiento y sistema de distribucion de recursos de canal de control de enlace ascendente. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN2009102363297A CN102014496B (zh) | 2009-10-16 | 2009-10-16 | 一种上行控制信道资源配置方法、设备和*** |
CN200910236329.7 | 2009-10-16 |
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PCT/CN2010/077429 WO2011044820A1 (zh) | 2009-10-16 | 2010-09-28 | 一种上行控制信道资源配置方法、设备和*** |
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US (1) | US9860038B2 (zh) |
EP (1) | EP2490496B8 (zh) |
JP (1) | JP2013507859A (zh) |
KR (1) | KR101368417B1 (zh) |
CN (1) | CN102014496B (zh) |
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WO (1) | WO2011044820A1 (zh) |
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CN107104761B (zh) * | 2011-05-12 | 2020-07-31 | Lg电子株式会社 | 发送控制信息的方法及其设备 |
CN102291227B (zh) * | 2011-06-30 | 2013-07-10 | 电信科学技术研究院 | 一种发送和接收反馈信息的方法、***及装置 |
US9497747B2 (en) * | 2012-06-22 | 2016-11-15 | Qualcomm Incorporated | Data transmission in carrier aggregation with different carrier configurations |
EP2894916B1 (en) * | 2012-09-28 | 2020-04-22 | Huawei Technologies Co., Ltd. | Correct/incorrect response feedback method, user equipment and system |
CN109756983B (zh) | 2013-09-23 | 2022-04-05 | 华为技术有限公司 | 一种配置搜索空间的方法、装置及*** |
JP2015065621A (ja) * | 2013-09-26 | 2015-04-09 | 株式会社Nttドコモ | ユーザ端末、基地局及び無線通信方法 |
CN103702426B (zh) * | 2013-12-23 | 2017-06-16 | 北京北方烽火科技有限公司 | 一种载波调度方法 |
RU2699233C2 (ru) * | 2014-09-12 | 2019-09-04 | Телефонактиеболагет Лм Эрикссон (Пабл) | Узел радиосвязи, беспроводное устройство и осуществляемые ими способы |
CN106954265B (zh) * | 2016-01-07 | 2022-11-01 | 中兴通讯股份有限公司 | 一种数据包拆分的方法、装置和演进型节点 |
CN107548155B (zh) * | 2016-06-29 | 2023-05-19 | 中兴通讯股份有限公司 | 降低上行传输时延的处理方法、基站及终端设备 |
CN112333829B (zh) * | 2020-11-27 | 2023-05-16 | 中国联合网络通信集团有限公司 | 一种业务处理方法及设备 |
CN112367710B (zh) * | 2020-11-27 | 2023-05-16 | 中国联合网络通信集团有限公司 | 一种业务处理方法及设备 |
CN112333830B (zh) * | 2020-11-27 | 2023-05-16 | 中国联合网络通信集团有限公司 | 一种业务处理方法及设备 |
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KR20120056871A (ko) | 2012-06-04 |
KR101368417B1 (ko) | 2014-02-28 |
US20120207059A1 (en) | 2012-08-16 |
US9860038B2 (en) | 2018-01-02 |
EP2490496B8 (en) | 2021-08-18 |
EP2490496A1 (en) | 2012-08-22 |
MX2012004031A (es) | 2012-08-03 |
EP2490496B1 (en) | 2021-07-14 |
JP2013507859A (ja) | 2013-03-04 |
EP2490496A4 (en) | 2017-06-21 |
CN102014496B (zh) | 2013-07-31 |
CN102014496A (zh) | 2011-04-13 |
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