WO2012062206A1 - 一种信道质量信息的传输方法、基站及用户设备 - Google Patents

一种信道质量信息的传输方法、基站及用户设备 Download PDF

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Publication number
WO2012062206A1
WO2012062206A1 PCT/CN2011/081989 CN2011081989W WO2012062206A1 WO 2012062206 A1 WO2012062206 A1 WO 2012062206A1 CN 2011081989 W CN2011081989 W CN 2011081989W WO 2012062206 A1 WO2012062206 A1 WO 2012062206A1
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WO
WIPO (PCT)
Prior art keywords
base station
quality information
channel quality
user equipment
data packet
Prior art date
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PCT/CN2011/081989
Other languages
English (en)
French (fr)
Inventor
周永行
刘昆鹏
孙卫军
侯云哲
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to JP2013538051A priority Critical patent/JP6024993B2/ja
Priority to EP11839338.8A priority patent/EP2615876B1/en
Priority to KR1020137010452A priority patent/KR20130096740A/ko
Priority to KR1020167020227A priority patent/KR101779871B1/ko
Priority to KR1020157012950A priority patent/KR101643982B1/ko
Priority to BR112013011555-6A priority patent/BR112013011555B1/pt
Publication of WO2012062206A1 publication Critical patent/WO2012062206A1/zh
Priority to US13/888,683 priority patent/US9426787B2/en
Priority to US15/242,864 priority patent/US9887825B2/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026Transmission of channel quality indication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • H04L1/0004Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes applied to control information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • H04L1/001Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding applied to control information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0027Scheduling of signalling, e.g. occurrence thereof
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0028Formatting
    • H04L1/003Adaptive formatting arrangements particular to signalling, e.g. variable amount of bits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0057Physical resource allocation for CQI
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0457Variable allocation of band or rate
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/21Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/23Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/50Allocation or scheduling criteria for wireless resources
    • H04W72/54Allocation or scheduling criteria for wireless resources based on quality criteria
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/50Allocation or scheduling criteria for wireless resources
    • H04W72/54Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/542Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/50Allocation or scheduling criteria for wireless resources
    • H04W72/56Allocation or scheduling criteria for wireless resources based on priority criteria
    • H04W72/563Allocation or scheduling criteria for wireless resources based on priority criteria of the wireless resources

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a method for transmitting channel quality information, a base station, and a user equipment.
  • the UE User Equipment
  • the channel quality information includes a CQI (channel quality indicator).
  • PMI Precoding matrix indicator
  • RI Rank indication
  • channel quality information is also called UCI (Uplink Control Signaling).
  • the uplink scheduling bandwidth allocated by the base station to the UCI is usually a value within a fixed range, and the UE can only transmit UCI in a fixed range bandwidth, and cannot be adapted to the UCI information bit size, and is adaptive.
  • the scheduling bandwidth is allocated for the UCI. When the number of UCI bits exceeds the scheduling bandwidth allocated for the UCI, there is insufficient allocated transmission resources, and it is difficult to satisfy the defect of transmission performance. Summary of the invention
  • the present invention provides a method for transmitting channel quality information, a base station, and a user equipment, and allocates the number of resource blocks according to the number of channel quality information bits.
  • the present invention provides a method for transmitting channel quality information, including:
  • the base station When the user equipment needs to feed back the channel quality information corresponding to the Y downlink carriers to the base station by using the X uplink carriers, the base station is configured according to the channel quality information bits and the resource block number set corresponding to the matching value X/Y.
  • the user equipment allocates a resource block, where X and Y are positive integers greater than or equal to 1;
  • the base station configures the number of allocated resource blocks in the uplink scheduling control signaling UL-grant, and sends the information to the user equipment.
  • the present invention provides a base station, including: And an allocation unit, when the user equipment needs to feed the channel quality information corresponding to the Y downlink carriers to the base station by using the X uplink carriers, the set of resource blocks corresponding to the channel quality information bits and the matching ratio ⁇ / ⁇ is The user equipment allocates a resource block, where X and ⁇ are positive integers greater than or equal to 1;
  • a configuration unit configured to allocate the number of allocated resource blocks in the uplink scheduling control signaling UL-gmnt, and send the information to the user equipment.
  • the present invention provides a method for transmitting channel quality information, including:
  • the user equipment When the user equipment needs to feed the channel quality information corresponding to the Y downlink carriers to the base station by using the X uplink carriers, the user equipment receives the uplink scheduling control signaling UL-gmnt, and obtains the base station according to the channel quality information bits and a set of resource blocks corresponding to the matching value X/Y, the number of resource blocks allocated to the user equipment, where X and Y are positive integers greater than or equal to 1;
  • the user equipment transmits the channel quality information to the base station according to the resource block allocated by the base station.
  • the embodiment of the present invention provides a user equipment, including:
  • a receiving unit when the user equipment needs to feed the channel quality information corresponding to the Y downlink carriers to the base station by using the X uplink carriers, to receive the uplink scheduling control signaling UL-gmnt, and obtain the bit according to the channel quality information by the base station.
  • a transmitting unit configured to transmit the channel quality information to the base station according to the resource block allocated by the base station.
  • the base station can allocate resource blocks to the user equipment according to the channel quality information bits and the number of resource blocks, and adaptively allocate the uplink scheduling bandwidth to prevent the user equipment from being only in the fixed bandwidth resource.
  • the transmission channel quality information is difficult to meet the defect of transmission performance.
  • FIG. 1 is a schematic flow chart of a method for transmitting channel quality information according to an embodiment of the present invention
  • FIG. 2 is a first schematic structural diagram of a base station according to an embodiment of the present invention.
  • FIG. 3 is a schematic diagram 2 of a base station of an embodiment of the invention.
  • FIG. 4 is a schematic flowchart of a method for transmitting channel quality information according to an embodiment of the present invention
  • FIG. 5 is a schematic diagram of a base station according to an embodiment of the present invention
  • FIG. 5 is a schematic diagram of a base station according to an embodiment of the present invention
  • FIG. 6 is a schematic diagram of a method for transmitting channel quality information according to an embodiment of the present invention.
  • FIG. 7 is a schematic diagram 1 of a configuration of a user equipment according to an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of the configuration of the user equipment according to the embodiment of the present invention.
  • the following is a clear and complete description of the technical solutions in the embodiments of the present invention. It is only a part of the embodiments of the invention, not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.
  • Step 11 When the user equipment needs to feed back the channel quality information corresponding to the Y downlink carriers to the base station by using the X uplink carriers, the base station allocates the number of resource blocks corresponding to the channel quality information bits and the matching ratio X/Y to the user equipment.
  • Step 12 The base station configures the number of allocated resource blocks in the uplink scheduling control signaling UL-grant, and sends the information to the user equipment.
  • the executor of the method for transmitting channel quality information in the embodiment of the present invention may be a base station of the LTE system, and the channel quality information may include CQI, PMI, and RI, and the channel quality information is also referred to as UCI.
  • the user equipment may separately transmit channel quality information on the uplink shared channel, or the channel quality information may be multiplexed with the UL-SCH (Uplink Shared Channel) data for uplink shared channel transmission.
  • UL-SCH Uplink Shared Channel
  • the base station allocates a resource block to the user equipment according to the channel quality information bit and the set of resource blocks corresponding to the ratio X/Y, which may include:
  • the set of resource blocks corresponding to the matching value ⁇ / ⁇ is stored in the information table of the base station, and the information table may include:
  • the base station corresponds to the number of PRBs (Physical Resource Blocks) allocated for each UCI bit, such as 1, 2, 3, 4, and the set of [1, 2, 3, 4] It can be a set of resource blocks C1.
  • the base station corresponds to the number of PRBs allocated for each UCI bit. If the first maximum value of 1, 2, 3, 4 is 4, the set of positive integers less than or equal to 4 may be the resource block number set C1.
  • the matching value 1/N that is, the number of PRBs allocated by the base station for UCI when NIC of N downlink carriers is fed back by one uplink carrier, such as N, 2*N, 3*N, 4 *N, then the set consisting of [N, 2*N, 3*N, 4*N] may be the resource block number set CN.
  • the base station corresponds to the number of PRBs allocated for each UCI bit, such as N, 2*N, 3*N, and the second maximum value of 4*N is 4*N, and the set consists of positive integers less than or equal to 4*N. It can be a collection of CNs of resource blocks.
  • the set [Cl, C2, ... CN], [CI, C2, ... CN] formed by Cl, C2, ... CN can be stored in the information table, and it can be seen that the information table not only includes a single carrier.
  • the configuration of the number of PRBs also includes the configuration of the number of PRBs when the UCI bit is greatly increased in the case of multi-carrier.
  • the UE may obtain the information table content [Cl, C2, ... CN] through high layer signaling or dynamic signaling configuration, or the UE may be recessive from the number of carriers or other conditions. Infer the acquisition of the set [Cl, C2, ... CN].
  • the foregoing step 12 may include: configuring, by the base station, UL-grant signaling to indicate a modulation and coding mode of the retransmitted data packet, where the channel quality information is triggered.
  • the request, and the number of the allocated resource blocks send the UL-gmnt to the user equipment, so that the user equipment separately transmits the channel quality information to the base station on the uplink shared channel according to the resource block allocated by the base station.
  • the index of the coding mode is 29 or 30 or 31, and the index 29 or 30 or 31 is represented as a modulation and coding mode for retransmitting the data packet, and the corresponding uplink data indicates retransmission, wherein MCS (Modulation and Coding Scheme);
  • n - PRB - ua denotes Cl, C2, .
  • a set in .CN, such as the set CN, N represents the number of PRBs allocated by the base station, such as a value in the set CN.
  • the UL-grant signaling multiple word fields are configured to jointly indicate that there is no UL-SCH data transmission on the PUSCH (Physical Uplink Shared Channel), and the UE separately transmits the downlink channel on the PUSCH according to the resource block allocated by the base station. Quality information.
  • the modulation and coding mode of the packet is different from the index 0-28, and will not be described here.
  • UL-grant signaling can support 1 TB (Transport Block) transmission or 2 TB transmissions:
  • the base station configures the UL-grant signaling to indicate the modulation and coding mode of the retransmitted data packet, which may include:
  • the base station For UL-grant signaling supporting one transport block transmission, the base station configures an indication bit corresponding to the one transport block in the UL-grant signaling (for example, an indication bit I MCS of a modulation and coding scheme) to indicate modulation of a retransmission packet.
  • the UL-grant signaling is based on the 3GPP_Rel-8 standard, and indicates that the user equipment transmits the UCI on the PUSCH according to the PRB allocated by the base station, and implements backward compatibility with the 3GPP_Rel-8 standard, and solves the UCI without introducing complexity.
  • the foregoing step 12 may include: configuring, by the base station, an indication bit corresponding to at least one transport block in the UL-grant signaling (for example, by using two or more ULs)
  • the combination of the grant word field is used as an indicator bit, for example, a modulation coding mode of the retransmission data packet and a combination of the new data packet indication as the initial transmission packet word field, or a modulation coding mode of the initial transmission data packet and a new data packet indication as a retransmission
  • the combination of the packet word field indicates that the corresponding transport block is invalid, and the UL-grant signaling is configured to indicate that there is a channel quality information trigger request, and the number of allocated resource blocks, and the UL-grant signaling is sent to the user equipment,
  • the user equipment separately transmits channel quality information to the base station on the uplink shared channel according to the resource block allocated by the base station.
  • the base station even if the number of allocated resource blocks is not in the set of resource blocks corresponding to the matching value X/Y, the base station only configures the corresponding transport block of the corresponding bit of the at least one transport block in the UL_grant signaling. Invalid, and configuring UL-grant signaling to indicate that there is a channel quality information triggering request, the user equipment may be triggered to separately transmit channel quality information to the base station on the uplink shared channel according to the resource block allocated by the base station.
  • the base station configures the indication bit corresponding to one TB in the UL-grant signaling to indicate one TB disable (invalid), and configures the UL-gmnt signaling to indicate that there is a channel.
  • a quality information triggering request and a number of resource blocks allocated by the base station, so that the user equipment separately transmits channel quality information to the base station on the uplink shared channel according to the number of resource blocks allocated by the base station;
  • the base station configures the indication bit corresponding to one TB in the UL-grant signaling to indicate that one TB is invalid, and configures the UL-grant signaling to indicate that the channel quality information triggers the request. And the number of the resource blocks allocated by the base station, so that the user equipment separately transmits the channel quality information to the base station on the uplink shared channel according to the number of resource blocks allocated by the base station;
  • the base station configures two corresponding UL-grant signaling
  • the indication bit of the TB indicates that both TBs are invalid, and the UL-gmnt signaling is configured to indicate that there is a channel quality information triggering request, and the number of resource blocks allocated by the base station, so that the user equipment is shared in the uplink according to the number of resource blocks allocated by the base station.
  • Channel quality information is separately transmitted to the base station on the channel.
  • the user equipment can be triggered to separately transmit channel quality information to the base station on the uplink shared channel.
  • the user equipment In combination with the number of PRBs allocated by the base station, the user equipment separately transmits channel quality information to the base station on the uplink shared channel according to the resource block allocated by the base station.
  • the user equipment is triggered to separately transmit the channel quality information to the base station on the uplink shared channel, and the user equipment is configured according to the user equipment.
  • the resource blocks allocated by the base station separately transmit channel quality information to the base station on the uplink shared channel.
  • the "Precoding information" field of UL-grant signaling which can Indicates the precoding vector used to transmit UCI, implicitly knowing whether UCI is transmitted on a CW (Code Word, codeword) or two CW (codewords) and the rank value of the channel matrix. Therefore, the "Precoding information" field can also be configured to cooperate with other fields of the UL-gmnt signaling to trigger the user equipment to separately transmit channel quality information to the base station on the uplink shared channel.
  • the foregoing step 12 may include: configuring, by the base station, UL-grant signaling to indicate a modulation and coding mode of the retransmitted data packet, where the new data packet is indicated as an initial data packet, The channel quality information triggering request, and the number of resource blocks allocated by the base station, so that the user equipment separately transmits channel quality information to the base station on the uplink shared channel according to the resource block allocated by the base station; it should be noted that the number of allocated resource blocks Even if it is not in the set of resource blocks corresponding to the matching value X/Y, the base station only configures the UL-grant signaling to indicate the modulation and coding mode of the retransmitted data packet, and the new data packet indicates the initial data packet, and the channel quality information is triggered.
  • the request may trigger the user equipment to separately transmit channel quality information to the base station on the uplink shared channel according to the resource block allocated by the base station.
  • the encoding mode means that the data packet is retransmitted; the NDI (New Data Indicator) is the initial data packet. Specifically, whether the initial data packet is inverted according to whether the NDI is toggle or not. It means that the state of NDI is different from the previous state. If NDI was last 1 and inverted, the NDI should be 0.
  • NDI NDI
  • the data packet is retransmitted;
  • UL— In the grant signaling, NpRB N - PRB- uci ( n PRE u CI e PRE - UCI ), indicating the number of PRBs allocated by the base station.
  • the foregoing step 12 may include: the base station configuring UL-grant signaling to indicate a modulation and coding manner of the initial data packet, the new data packet indicating a retransmission data packet, a channel quality information trigger request, and a resource block allocated by the base station.
  • the number is such that the user equipment separately transmits channel quality information to the base station on the uplink shared channel according to the resource block allocated by the base station.
  • the base station even if the number of allocated resource blocks is not in the set of resource blocks corresponding to the matching value X/Y, the base station only configures the UL-grant signaling to indicate the modulation and coding mode of the initial data packet, and the new data packet refers to
  • the device is shown as a retransmission data packet, and the channel quality information triggering request may trigger the user equipment to separately transmit channel quality information to the base station according to the resource block allocated by the base station on the uplink shared channel.
  • configure UL-grant signaling for multiple word fields, such as I MCS 0 in UL-grant signaling, to indicate that the modulation coding mode index is 0, and the index indicates that 0 is the modulation of the initial transmission packet.
  • Information and UL-grant signaling
  • NpRB - N PRB UCI (n PRB UCI ⁇ N PgB uc ⁇ ), indicating the number of PRBs allocated by the base station.
  • the UL-gmnt signaling can support one TB transmission, and can also support two TB transmissions.
  • the base station configures UL-grant signaling to indicate a modulation and coding mode of the retransmitted data packet.
  • the base station For UL-grant signaling supporting one transport block transmission, the base station configures an indication bit corresponding to the one transport block in the UL-grant signaling to indicate a modulation and coding manner of the retransmitted data packet, and the new data packet indicates initial transmission. Transmitting, or configuring an indication bit corresponding to the one transport block in the UL-gmnt signaling to indicate a modulation and coding manner of the initial data packet, and indicating that the new data packet is a retransmission data packet;
  • the base station configures that the indication bits corresponding to the two transport blocks in the UL-gmnt signaling indicate a modulation and coding manner of the retransmitted data packet, and a new data packet indication.
  • the initial data packet, or the indication bit corresponding to the two transport blocks in the UL-grant signaling indicates a modulation and coding mode of the initial data packet, and the new data packet indicates that the data packet is a retransmission data packet;
  • the base station configures, in the UL-gmnt signaling, an indication bit corresponding to one of the two transport blocks, indicating a modulation and coding manner of the retransmitted data packet, and
  • the new data packet is indicated as the initial data packet, or the indication bit corresponding to one of the two transport blocks in the UL-gmnt signaling is used to indicate the modulation and coding mode of the initial data packet, and the new data packet indication is heavy. Pass the packet.
  • the user equipment is triggered to separately transmit channel quality information to the base station on the uplink shared channel according to the resource block allocated by the base station.
  • a base station including:
  • the allocating unit 21 when the user equipment needs to feed back the channel quality corresponding to the Y downlink carriers through the X uplink carriers
  • the resource block is allocated to the user equipment according to the channel quality information bit and the set of resource blocks corresponding to the matching value X/Y, where X and Y are positive integers greater than or equal to 1.
  • the configuration unit 22 is configured to configure the number of the allocated resource blocks in the uplink scheduling control signaling UL-grant, and send the information to the user equipment.
  • the channel quality information may include CQI, PMI, and RI, and channel quality information is also called
  • the base station of the embodiment of the present invention may further include:
  • the first storage unit 31 is configured to store a set of resource blocks corresponding to the matching value X/Y.
  • the base station requests the user equipment to separately transmit the channel quality information on the uplink shared channel, the base station according to the channel quality information bits and the ratio value A set of resource blocks corresponding to X/Y, and Z resource blocks are allocated to the user equipment, where Z is a positive integer and belongs to a set of resource blocks corresponding to the matching value X/Y.
  • the set of resource blocks corresponding to the matching value X/Y is stored in the information table of the base station, and the information table may include:
  • the resource block number set corresponding to the matching value 1/1 wherein the resource block number set corresponding to the ratio value 1/1 includes: the user equipment needs to pass one uplink carrier
  • the channel quality information bits corresponding to one downlink carrier are fed back, and the number of channel quality information bits corresponding to one downlink carrier includes the number of resource blocks allocated for the number of bits, wherein ⁇ , ⁇ a positive integer greater than or equal to 1; or comprising: a positive integer less than or equal to the first maximum value, wherein the first maximum value is the maximum value of the number of resource blocks;
  • the set of resource blocks corresponding to the matching value ⁇ / ⁇ includes: according to the number of the resource blocks And the number of L resource blocks obtained by mapping the ratio ⁇ / ⁇ , wherein L is a positive integer greater than 1, or a positive integer less than or equal to a second maximum value, and the second maximum value is the L species The maximum number of resource blocks.
  • the information table and the matching value ⁇ / ⁇ corresponding resource block number set can be understood by referring to the embodiment shown in FIG. 1 above, and details are not described herein.
  • the base station, the configuration unit 22 may include:
  • the first configuration unit 221 is configured to configure UL-grant signaling to indicate a modulation and coding manner of the retransmitted data packet, have a channel quality information trigger request, and allocate the number of resource blocks, and send the UL-grant to the user. And the device, so that the user equipment separately transmits channel quality information to the base station on the uplink shared channel according to the resource block allocated by the base station.
  • the first configuration unit 221 may include: a first configuration sub-unit, configured to: for a UL-grant signaling that supports one transport block transmission, configure an indication bit corresponding to the one transport block in the UL-grant signaling to indicate a modulation and coding manner of the retransmitted data packet;
  • a second configuration subunit configured to perform UL-grant signaling for supporting two transport block transmissions, where the indication bits corresponding to the two transport blocks in the UL-gmnt signaling indicate a modulation and coding manner of the retransmitted data packet, or For the UL-grant signaling that supports the transmission of the two transport blocks, the indication bit corresponding to one of the two transport blocks in the UL-grant signaling is configured to indicate a modulation and coding manner of the retransmitted data packet.
  • the first configuration unit 221 can be understood by referring to the same content of the embodiment shown in FIG. 1 above, and details are not described herein.
  • the UL-grant signaling is based on the 3GPP_Rel-8 standard, and indicates that the user equipment transmits the UCI on the PUSCH according to the number of PRBs allocated by the base station, and implements backward compatibility with the 3GPP_Rel-8 standard, and solves the problem without introducing complexity.
  • the UCI information bit size exceeds a certain limit, and the resource is limited or the UCI transmission performance is degraded.
  • the base station, the configuration unit 22, in the embodiment of the present invention may include:
  • the second configuration unit 222 is configured to: configure an indication bit corresponding to the at least one transport block in the UL-grant signaling to indicate that the corresponding transport block is invalid, and configure UL-grant signaling to indicate that there is a channel quality information trigger request, and The number of allocated resource blocks is sent to the user equipment, so that the user equipment separately transmits channel quality information to the base station according to the resource block allocated by the base station on the uplink shared channel.
  • the specific word field of the UL-grant signaling there is no limitation on the specific word field of the UL-grant signaling. As long as the multiple word fields of the UL-grant signaling are configured, it is possible to indicate that there is no data transmission on the uplink shared channel of the user equipment, so that the user equipment can be allocated according to the base station.
  • the number of resource blocks separately transmits channel quality information to the base station on the uplink shared channel.
  • the second configuration unit 222 can be understood by referring to the same content of the embodiment shown in FIG. 1 , and details are not described herein.
  • the base station, the configuration unit 22, in the embodiment of the present invention may include:
  • the third configuration unit 223 is configured to configure UL-grant signaling to indicate a modulation and coding manner of the retransmitted data packet, where the new data packet indicates an initial transmission data packet, a channel quality information trigger request, and a number of resource blocks allocated by the base station So that the user equipment separately transmits channel quality information to the base station on the uplink shared channel according to the number of resource blocks allocated by the base station;
  • the base station configures UL-grant signaling to indicate a modulation and coding mode of the initial data packet, the new data packet indicates a retransmission data packet, a channel quality information trigger request, and a number of resource blocks allocated by the base station, so that the user equipment Channel quality information is separately transmitted to the base station on the uplink shared channel according to the number of resource blocks allocated by the base station.
  • the third configuration unit 223 may include: a third configuration sub-unit, configured to: for UL-gmnt signaling supporting one transport block transmission, configure an indication bit corresponding to the one transport block in the UL-grant signaling to indicate a modulation and coding manner of the retransmitted data packet, and The new data packet is indicated as an initial transmission data packet, or the indication bit corresponding to the one transmission block in the UL-gmnt signaling is used to indicate a modulation and coding manner of the initial transmission data packet, and the new data packet is indicated as a retransmission data packet;
  • a fourth configuration sub-unit configured to: for UL-grant signaling that supports two transport block transmissions, configure an indication bit corresponding to the two transport blocks in the UL-grant signaling to indicate a modulation and coding manner of the retransmitted data packet, And the new data packet is indicated as the initial data packet, or the indication bit corresponding to the two transport blocks in the UL-gmnt signaling is configured to indicate the modulation and coding mode of the initial data packet, and the new data packet is indicated as the retransmission data packet.
  • the new data packet is indicated as the initial data packet, or the indication bit corresponding to one of the two transport blocks in the UL-grant signaling is used to indicate the modulation and coding mode of the initial data packet, and the new data packet indication is heavy. Pass the packet.
  • the third configuration unit 223 can be understood by referring to the same content of the embodiment shown in FIG. 1 , and details are not described herein.
  • the base station can allocate resource blocks to the user equipment according to the channel quality information bits and the number of resource blocks, thereby adaptively allocating the uplink scheduling bandwidth, and avoiding that the user equipment can only Transmission channel quality information under fixed bandwidth resources is difficult to meet the defects of transmission performance.
  • an embodiment of the present invention provides a method for channel quality information transmission, including:
  • Step 41 The base station configures that the indication bit corresponding to the at least one transport block in the UL-grant signaling indicates that the corresponding transport block is invalid, and configures UL-grant signaling to indicate that the channel quality information trigger request is generated, and the number of allocated resource blocks .
  • Step 42 The base station sends the UL-gmnt signaling to the user equipment, so that the user equipment separately transmits the channel quality information to the base station on the uplink shared channel according to the resource block allocated by the base station.
  • the method for triggering the transmission of the channel quality information in the embodiment of the present invention can be understood by referring to the same content in the embodiment shown in FIG. 1 , and details are not described herein.
  • the user equipment can be triggered to separately transmit channel quality information to the base station on the uplink shared channel.
  • the user equipment may separately transmit channel quality information to the base station on the uplink shared channel according to the resource block allocated by the base station.
  • the user equipment is triggered to separately transmit the channel quality information to the base station on the uplink shared channel, and further, the user The device separately transmits channel quality information to the base station on the uplink shared channel according to the resource block allocated by the base station.
  • the "Precoding information" field of UL-grant signaling which may indicate a precoding vector used to transmit UCI, implicitly knowing whether UCI is transmitted on one CW or two CWs (upper transmission and channel matrix) Therefore, the "precoding information" field can also be configured to cooperate with other fields of the UL-grant signaling to trigger the user equipment to separately transmit channel quality information to the base station on the uplink shared channel.
  • the base station can allocate resource blocks to the user equipment according to the channel quality information bits and the number of resource blocks, thereby adaptively allocating the uplink scheduling bandwidth, and avoiding that the user equipment can only Transmission channel quality information under fixed bandwidth resources is difficult to meet the defects of transmission performance.
  • a method for triggering transmission of channel quality information corresponding to the foregoing embodiment, an embodiment of the present invention provides a base station, including:
  • the fourth configuration unit 51 is configured to: configure an indication bit corresponding to the at least one transport block in the UL-grant signaling to indicate that the corresponding transport block is invalid, and configure UL-grant signaling to indicate that there is a channel quality information trigger request, and the allocated The number of resource blocks.
  • the sending unit 52 is configured to send the UL-gmnt signaling to the user equipment, so that the user equipment separately transmits channel quality information to the base station on the uplink shared channel according to the resource block allocated by the base station.
  • the base station of the embodiment of the present invention can be understood by referring to the same content of the embodiment shown in FIG. 1 , and details are not described herein.
  • the user equipment can be triggered to separately transmit channel quality information to the base station on the uplink shared channel.
  • the user equipment may separately transmit channel quality information to the base station on the uplink shared channel according to the resource block allocated by the base station.
  • the base station can allocate resource blocks to the user equipment according to the channel quality information bits and the number of resource blocks, thereby adaptively allocating the uplink scheduling bandwidth, and avoiding that the user equipment can only Transmission channel quality information under fixed bandwidth resources is difficult to meet the defects of transmission performance.
  • an embodiment of the present invention provides a method for transmitting channel quality information, including:
  • Step 61 When the user equipment needs to feed the channel quality information corresponding to the Y downlink carriers to the base station by using the X uplink carriers, the user equipment receives the uplink scheduling control signaling UL-gmnt, and obtains the base station according to the channel quality information bits and coordinates.
  • Step 62 The user equipment transmits channel quality information to the base station according to the resource block allocated by the base station.
  • the base station may be a base station of the LTE system, and the user equipment needs to transmit channel quality information corresponding to the downlink carrier to the base station, and the channel quality information may include CQI, PMI, and RI, and the channel quality information is also called Be UCI.
  • the user equipment obtains the resource block number set corresponding to the matching value X/Y from the base station through high layer signaling or dynamic signaling, or obtains the number of resource blocks corresponding to the matching value X/Y by implicit ratio inference X/Y set.
  • the UE can obtain the set of resource blocks corresponding to the matching value X/Y from the base station through the high layer signaling or the dynamic signaling; or, the UE obtains the resource block number set by the ratio X/Y. , C2, ...CN].
  • the set of resource blocks corresponding to the matching value ⁇ / ⁇ includes: according to the number of the resource blocks And the number of L resource blocks obtained by mapping the ratio ⁇ / ⁇ , wherein L is a positive integer greater than 1, or a positive integer less than or equal to a second maximum value, and the second maximum value is the L species The maximum number of resource blocks.
  • the information table and the matching value ⁇ / ⁇ corresponding resource block number set can be understood by referring to the embodiment shown in FIG. 1 above, and details are not described herein.
  • the method for transmitting channel quality information in the embodiment of the present invention may include: the user equipment receives the uplink scheduling control signaling UL-gmnt, and the UL-grant signaling indicates the modulation and coding manner of the retransmitted data packet. , there is a channel quality information trigger request, and the number of allocated resource blocks.
  • the user equipment determines whether the number of allocated resource blocks belongs to the set of resource blocks corresponding to the matching value X/Y, and determines that the number of allocated resource blocks belongs to the resource blocks corresponding to the matching value X/Y.
  • the user equipment separately transmits channel quality information to the base station on the uplink shared channel according to the resource block allocated by the base station.
  • the user equipment can multiplex the channel quality information with the UL-SCH data for uplink shared channel transmission.
  • the UL-grant signaling may refer to the related UL-grant signaling of the embodiment shown in FIG. 1, and details are not described herein again. It can be seen that the user equipment can separately transmit channel quality information on the uplink shared channel, or the channel quality information can be multiplexed with the UL-SCH data for uplink shared channel transmission.
  • the method for transmitting channel quality information in the embodiment of the present invention may include: receiving, by the user equipment, an uplink scheduling control signaling UL-grant, and indicating that the UL-grant signaling corresponds to at least one transport block The bit indicates that the corresponding transport block is invalid, and the UL-grant signaling is configured to indicate that there is a channel quality information trigger request, and the number of allocated resource blocks;
  • the user equipment separately transmits channel quality information to the base station on the uplink shared channel according to the number of resource blocks allocated by the base station.
  • the indication bit corresponding to one TB in the UL-grant signaling configured by the user equipment indicates 1 TB disable (invalid), and the UL-grant is configured.
  • the signaling indicates that there is a channel quality information triggering request, and the number of resource blocks allocated by the base station, so that the user equipment separately transmits channel quality information to the base station on the uplink shared channel according to the number of resource blocks allocated by the base station;
  • the indication bit corresponding to one TB in the UL-grant signaling configured by the user equipment indicates that one TB is invalid, and the UL-gmnt signaling indication is configured.
  • the indication bits corresponding to the two TBs in the UL-gmnt signaling configured by the user equipment that the user equipment receives indicate that both TBs are invalid, and the UL-gmnt signaling is configured.
  • the UL-grant signaling may refer to the related UL-grant signaling of the embodiment shown in FIG. 1, and details are not described herein again.
  • the method for transmitting channel quality information in the embodiment of the present invention may include: the user equipment receives the uplink scheduling control signaling UL-gmnt, and the UL-grant signaling indicates the modulation and coding manner of the retransmitted data packet.
  • the new data packet is indicated as an initial data packet, having a channel quality information trigger request, and the number of resource blocks allocated by the base station; or, the UL-grant signaling indicates a modulation and coding manner of the initial data packet, and the new data packet indication
  • there is a channel quality information trigger request and the number of resource blocks allocated by the base station;
  • the user equipment separately transmits channel quality information to the base station on the uplink shared channel according to the number of resource blocks allocated by the base station.
  • the UL-grant signaling may refer to the related UL-grant signaling of the embodiment shown in FIG. 1, and details are not described herein again.
  • the base station can allocate resource blocks to the user equipment according to the channel quality information bits and the number of resource blocks, thereby adaptively allocating the uplink scheduling bandwidth, and avoiding that the user equipment can only Transmission channel quality information under fixed bandwidth resources is difficult to meet the defects of transmission performance.
  • step 62 may include:
  • the user equipment divides the channel quality information into multiple data packets, and transmits the plurality of data packets to the base station through multiple consecutive uplink subframes.
  • the manner in which the user equipment divides the channel quality information into multiple data packets may include:
  • the user equipment divides the channel quality information into a plurality of data packets having the same number of bits
  • the user equipment divides the channel quality information corresponding to the different downlink carriers into different data packets; or, the user equipment divides the channel quality information with the same content into the same data packet according to the content of the channel quality information. That is, based on the content of the channel quality information, the number of bits of the channel quality information is also different, and the channel quality information having the same content is divided into the same data packet.
  • the number of multiple uplink subframes in which the user equipment feeds back channel quality information may be obtained through high layer signaling or dynamic signaling configuration.
  • the user equipment can divide the channel quality information into multiple data packets to meet the transmission, even if the channel quality information bit fed back by the user equipment exceeds the transmission bandwidth allocated by the base station. performance.
  • the embodiment of the present invention provides a user equipment, including:
  • the receiving unit 71 is configured to receive the uplink scheduling control signaling UL-gmnt when the user equipment needs to feed the channel quality information corresponding to the Y downlink carriers to the base station by using the X uplink carriers, and obtain the base station according to the channel quality information bit and the matching value X.
  • the transmitting unit 72 is configured to transmit channel quality information to the base station according to the resource block allocated by the base station.
  • the base station may be a base station of the LTE system, and the user equipment needs to transmit channel quality information corresponding to the downlink carrier to the base station, and the channel quality information may include CQI, PMI, and RI, and the channel quality information is also referred to as UCI.
  • the base station can allocate resource blocks to the user equipment according to the channel quality information bits and the number of resource blocks, thereby adaptively allocating the uplink scheduling bandwidth, and avoiding that the user equipment can only Transmission channel quality information under fixed bandwidth resources is difficult to meet the defects of transmission performance.
  • the user equipment of the embodiment of the present invention may further include:
  • the obtaining unit 81 is configured to obtain, by using high layer signaling or dynamic signaling, a resource block number set corresponding to the matching value X/Y from the base station, or obtain a matching value X/Y corresponding by implicitly inferring the matching value X/Y A collection of resource blocks.
  • the second storage unit 82 stores the set of resource blocks corresponding to the matching value X/Y through the information table.
  • the determining unit 83 is configured to determine whether the number of allocated resource blocks belongs to the set of resource blocks corresponding to the matching value X/Y.
  • the information table and the number of resource blocks can be understood by referring to the embodiment shown in FIG. 1 above, and will not be described here.
  • the receiving unit 71 may include:
  • the first receiving unit is configured to receive uplink scheduling control signaling UL-gmnt, and the UL-grant signaling indicates a modulation and coding mode of the retransmission data packet, a channel quality information trigger request, and the number of allocated resource blocks.
  • the determining unit 83 determines whether the number of the allocated resource blocks belongs to the set of resource blocks corresponding to the matching value X/Y, and the transmitting unit 72 separately transmits the resource blocks allocated by the base station on the uplink shared channel. Channel quality information is given to the base station.
  • the UL-grant signaling may refer to the related UL-grant signaling of the embodiment shown in FIG. 1, and details are not described herein again.
  • the receiving unit 71 may include:
  • a second receiving unit configured to receive uplink scheduling control signaling UL-gmnt, where the indication bit corresponding to the at least one transport block in the UL-grant signaling indicates that the corresponding transport block is invalid, and configure UL-grant signaling to Indicates that there is a channel quality information trigger request, and the number of allocated resource blocks.
  • the UL-grant signaling may refer to the related UL-grant signaling of the embodiment shown in FIG. 1, and details are not described herein again.
  • the receiving unit 71 may include:
  • a third receiving unit configured to receive an uplink scheduling control signaling UL-gmnt, where the UL-grant signaling indicates a modulation and coding mode of the retransmitted data packet, where the new data packet is indicated as an initial data packet, and the channel quality information is triggered.
  • the UL-grant signaling indicates a modulation and coding manner of the initial data packet
  • the new data packet indicates a retransmission data packet
  • the channel quality information trigger request, and The funds allocated by the base station The number of source blocks.
  • the UL-grant signaling may refer to the related UL-grant signaling of the embodiment shown in FIG. 1, and details are not described herein again.
  • the transmission unit 72 may include:
  • the sub-unit is configured to divide the channel quality information into multiple data packets when the number of resource blocks allocated by the base station cannot satisfy the transmission of the channel quality information.
  • a second dividing subunit configured to divide channel quality information corresponding to different downlink carriers into different data packets
  • the third dividing subunit is configured to divide the channel quality information with the same content into the same data packet according to the content of the channel quality information.
  • the number of multiple uplink subframes in which the user equipment feeds back the channel quality information may be obtained through high layer signaling or dynamic signaling configuration.
  • the base station saves a correspondence table between the number of channel quality information bits and the number of resource block sets, and the base station implements an adaptive allocation uplink scheduling according to the number of bits of the channel quality information. bandwidth.
  • the user equipment can divide the channel quality information into a plurality of data packets to satisfy the transmission performance.
  • the following describes the method for transmitting channel quality information in the embodiment of the present invention in conjunction with the LTE-Advanced (LTE-Advanced) system to achieve backward compatibility with the 3GPP_Rel-8 standard.
  • LTE-Advanced LTE-Advanced
  • 3GPP_Rel-8 3GPP_Rel-8 standard.
  • the base station sends the configured UL-grant signaling to the UE.
  • the value of N PRB belongs to the value of ⁇ in the n PRE- UCI, and the Bayesian angle is satisfied to trigger the UCI to transmit on the PUSCH alone.
  • the UE transmits a separate UCI to the base station on the PUSCH.
  • the method described above is used to directly indicate that the UE needs to perform UCI transmission on the PUSCH separately.
  • the base station saves a correspondence table between the number of channel quality information bits and the number of resource block sets, and the base station implements an adaptive allocation uplink scheduling according to the number of bits of the channel quality information. bandwidth.
  • NpRB n - PRB - UCI (n - PRB - UCI e N - PRB - UCI ) to jointly indicate that UCI needs to be transmitted separately on the PUSCH.
  • NpRB PRE uci n PRE uci e N PRE UCI , indicating that the PUSCH does not have UL-SCH data transmission, indicating that UCI needs to be separately transmitted on the PUSCH.
  • the UCI is transmitted separately on the PUSCH.
  • the base station sends the configured UL-grant signaling to the UE.
  • NpRB PRB- uci (n- PRE uci e PRE UCI ), and the value of N PRB belongs to A value in ii determines the condition that triggers the UCI to be transmitted on the PUSCH alone.
  • the UE transmits a separate UCI to the base station on the PUSCH.
  • the UE determines that the condition for triggering the UCI to be transmitted on the PUSCH alone is not satisfied, and further, the UCI is not separately transmitted on the PUSCH.
  • the method described above is used to directly indicate that the UCI needs to be separately transmitted on the PUSCH.
  • the combined trigger UCI is transmitted on the PUSCH alone.
  • the base station saves a correspondence table between the number of channel quality information bits and the number of resource block sets, and the base station implements an adaptive allocation uplink scheduling according to the number of bits of the channel quality information. bandwidth.
  • the storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).

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Description

一种信道质量信息的传输方法、 基站及用户设备 本申请要求于 2010年 11月 9日提交中国专利局、 申请号为 CN 201010538259.3 发明名称为 "一种信道质量信息的传输方法、 基站及用户设备"的中国专利申请的优先 权, 其全部内容通过引用结合在本申请中。 技术领域 本发明涉及通信技术领域, 尤其涉及一种信道质量信息的传输方法、 基站及用户设 备。 背景技术 在 LTE ( Long Term Evolution , 长期演进) 系统中, UE ( User Equipment, 用户设 备) 需要将测量得到的下行信道质量信息反馈给基站, 信道质量信息包括 CQI ( channel quality indicator, 信道质量 ί旨示) , PMI ( Precoding matrix indicator, 预编码失巨阵 ί旨示) 以及 RI ( Rank indication, 秩指示) , 综上, 信道质量信息也称作 UCI ( Uplink Control Signaling, 上行控制信令) 。
现有技术的信道质量信息的传输方法,基站为 UCI分配的上行调度带宽通常为一个 固定范围内的值, UE只能在固定范围带宽下传输 UCI,无法针对 UCI的信息比特大小, 适应性的为 UCI分配调度带宽, 当 UCI比特数超过为 UCI分配的调度带宽时, 存在分 配的传输资源不够, 难以满足传输性能的缺陷。 发明内容
本发明提供了一种信道质量信息的传输方法、 基站及用户设备, 实现根据信道质量 信息比特数分配资源块个数。
一方面, 本发明提供了一种信道质量信息的传输方法, 包括:
当用户设备需要通过 X个上行载波反馈 Y个下行载波对应的信道质量信息给基站 时, 所述基站根据所述信道质量信息比特和配比值 X/Y对应的资源块个数集合, 为所述 用户设备分配资源块, 其中, X、 Y为大于等于 1的正整数;
所述基站将分配的资源块的个数配置在上行调度的控制信令 UL-grant中, 发送给所 述用户设备。
对应的, 本发明提供了一种基站, 包括: 分配单元, 当用户设备需要通过 X个上行载波反馈 Y个下行载波对应的信道质量信 息给基站时, 用于根据所述信道质量信息比特和配比值 Χ/Υ对应的资源块个数集合, 为 所述用户设备分配资源块, 其中, X、 Υ为大于等于 1的正整数;
配置单元, 用于将分配的资源块的个数配置在上行调度的控制信令 UL-gmnt中, 发 送给所述用户设备。
另一方面, 本发明提供了一种信道质量信息的传输方法, 包括:
当用户设备需要通过 X个上行载波反馈 Y个下行载波对应的信道质量信息给基站 时, 所述用户设备接收上行调度的控制信令 UL-gmnt, 获得所述基站根据所述信道质量 信息比特和配比值 X/Y对应的资源块个数集合, 为所述用户设备分配资源块的个数, 其 中, X、 Y为大于等于 1的正整数;
所述用户设备根据所述基站分配的资源块, 传输所述信道质量信息给所述基站。 对应的, 本发明实施例提供了用户设备, 包括:
接收单元, 当用户设备需要通过 X个上行载波反馈 Y个下行载波对应的信道质量信 息给基站时, 用于接收上行调度的控制信令 UL-gmnt, 获得所述基站根据所述信道质量 信息比特和配比值 X/Y对应的资源块个数集合, 为所述用户设备分配资源块的个数, 其 中, X、 Y为大于等于 1的正整数;
传输单元, 用于根据所述基站分配的资源块, 传输所述信道质量信息给所述基站。 由上述本发明提供的技术方案可以看出,基站可以根据信道质量信息比特和资源块 个数集合为用户设备分配资源块, 实现适应性的分配上行调度带宽, 避免用户设备只能 在固定带宽资源下传输信道质量信息, 难以满足传输性能的缺陷。 附图说明 为了更清楚地说明本发明实施例的技术方案, 下面将对实施例描述中所需要使用的 附图作简单地介绍, 显而易见地, 下面描述中的附图仅仅是本发明的一些实施例, 对于 本领域普通技术人员来讲, 在不付出创造性劳动性的前提下, 还可以根据这些附图获得 其他的附图。
图 1为发明一实施例信道质量信息的传输方法的流程示意图;
图 2为发明实施例基站的构成示意图一;
图 3为发明实施例基站的构成示意图二;
图 4为发明实施例提供的信道质量信息的传输方法的流程示意图; 图 5为本发明的实施例提供一种基站的示意图;
图 6为发明实施例提供的一种信道质量信息的传输方法示意图;
图 7为发明实施例用户设备的构成示意图一;
图 8为发明实施例用户设备的构成示意图二 具体实 Itt式 下面将结合本发明实施例中的附图, 对本发明实施例中的技术方案进行清楚、 完整 地描述, 显然, 所描述的实施例仅仅是本发明一部分实施例, 而不是全部的实施例。 基 于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有 其他实施例, 都属于本发明保护的范围。
如图 1所示, 本发明实施例提供一种信道质量信息的传输方法, 包括:
步骤 11、 当用户设备需要通过 X个上行载波反馈 Y个下行载波对应的信道质量信息 给基站时, 基站根据信道质量信息比特和配比值 X/Y对应的资源块个数集合, 为用户设 备分配资源块, 其中, X、 Y为大于等于 1的正整数。
步骤 12、 基站将分配的资源块的个数配置在上行调度的控制信令 UL-grant中, 发送 给用户设备。
本发明实施例信道质量信息的传输方法的执行主体, 可以是 LTE系统的基站, 信道 质量信息可以包括 CQI, PMI以及 RI, 信道质量信息也称作 UCI。
这里简单说明, 基站可以根据 UCI比特大小, 在保证一定传输正确率的前提下, 实 现为 UCI分配 PRB个数, 在此不做赘述。
可选的, 步骤 12之后, 用户设备可以在上行共享信道上单独传输信道质量信息, 或 者信道质量信息可以与 UL-SCH (Uplink Shared Channel , 上行共享信道) 数据复用上 行共享信道传输。
由上述本发明的实施例提供的技术方案可以看出,基站可以根据信道质量信息比特 和资源块个数集合为用户设备分配资源块, 实现适应性的分配上行调度带宽, 避免用户 设备只能在固定带宽资源下传输信道质量信息, 难以满足传输性能的缺陷。
本发明实施例信道质量信息的传输方法, 上述步骤 11中基站根据信道质量信息比特 和配比值 X/Y对应的资源块个数集合, 为用户设备分配资源块, 可以包括:
当基站要求用户设备在上行共享信道上单独传输信道质量信息时,基站根据信道质 量信息比特和配比值 X/Y对应的资源块个数集合, 为用户设备分配 Z个资源块, 其中 Z为 正整数, 属于配比值 X/Y对应的资源块个数集合;
其中, 配比值 Χ/Υ对应的资源块个数集合保存在基站的信息表中, 信息表中可以包 括:
当 χ=1且 γ=1时, 配比值 1/1对应的资源块个数集合, 其中, 所述配比值 1/1对应的资 源块个数集合中包含: 用户设备需要通过 1个上行载波反馈 1个下行载波对应的信道质量 信息比特,且 1个下行载波对应的信道质量信息比特数包括 Μ种时,为所述 Μ种比特数分 配的 Ν种资源块个数, 其中, Μ, Ν为大于等于 1的正整数; 或者包含: 小于等于第一最 大值的正整数, 所述第一最大值为所述为 Ν种资源块个数中的最大值; 及
当 χ 或 γ 时, 配比值 Χ/Υ对应的资源块个数集合, 其中, 所述配比值 Χ/Υ对应的 资源块个数集合中包含:根据所述 Ν种资源块个数和所述配比值 Χ/Υ映射得到的 L种资源 块个数, 其中 L为大于 1的正整数, 或者, 小于等于第二最大值的正整数, 所述第二最大 值为所述 L种资源块个数中的最大值。
示例行性的, X=l, Y=l时, 配比值 1/1即在 1个上行载波反馈 1个下行载波的 UCI, 且 UCI比特大小包括多种时, 如 10比特, 20比特, 30比特, 40比特, 基站对应为各 UCI 比特分配的 PRB (Physical Resource Block ,物理资源块)个数,如 1,2,3,4,贝 lj由 [1,2,3,4] 构成的集合可以为资源块个数集合 C1。另外,基站对应为各 UCI比特分配的 PRB个数, 如 1,2,3,4中的第一最大值为 4, 则由小于等于 4的正整数构成的集合可以为资源块个数集合 Cl o
X=l, Y=N, 配比值 1/ N, 即在 1个上行载波反馈 N个下行载波的 UCI时, 基站为 UCI 分配的 PRB个数, 如 N,2*N,3*N,4*N, 则由 [N,2*N,3*N,4*N]构成的集合可以为资源块个 数集合 CN。基站对应为各 UCI比特分配的 PRB个数, 如 N,2*N,3*N,4*N中的第二最大值 为 4*N, 则由小于等于 4*N的正整数构成的集合可以为资源块个数集合 CN。
从而, 由 Cl, C2, ...CN构成集合 [Cl, C2, ...CN], [CI , C2, ...CN]可以存储于 信息表内, 可见, 信息表不仅包含单载波时 PRB个数配置情况, 同时也包含了多载波情 况下, UCI比特大大增加时 PRB个数配置情况。
另外, 从 UE的角度而言, 可选的, UE可以通过高层信令或动态信令配置得到信息 表内容 [Cl, C2, ...CN] , 或者 UE可以从载波数或其他条件隐性推断获得集合 [Cl, C2, ...CN]。
可选的, 本发明实施例信道质量信息的传输方法, 上述步骤 12, 可以包括: 基站配置 UL— grant信令以指示重传数据包的调制编码方式, 有信道质量信息触发 请求, 以及所述分配的资源块的个数, 将 UL-gmnt发送给用户设备, 以使得用户设备根 据基站分配的资源块在上行共享信道上单独传输信道质量信息给基站。
示例行性的, 根据 3GPP_Rel-8标准配置 UL— grant信令多个字域, 如 UL— grant信令 中的 IMCS = 29, 或者 IMCS = 30, 或者 IMCS = 31, 用以指示调制编码方式的索引为 29或 30 或 31,索引 29或 30或 31表示为专门重传数据包的调制编码方式,对应上行数据表示重传, 其中, MCS ( Modulation and Coding Scheme , 调制编码方式) ; UL— grant信令中 CQI-request= l用以指示有 CQI触发请求, 有 CQI触发请求表示基站要求 UE 反馈下行信 道质量信息; 以及 UL— grant信令中 NpRB = n-PRB-UCI (n-PRB-UCI e N-PRB-UCI ), 其中, N PRB_ua表示 pRB个数集合构成的集合 [C1, C2, . ..CN], n-PRB-ua表示 Cl, C2, . ..CN 中的一个集合, 如集合 CN, N 表示基站分配的 PRB个数, 如集合 CN中的一个值。 通 过配置 UL— grant信令多个字域,共同联合指示 PUSCH ( Physical Uplink Shared Channel , 物理上行共享信道)上无 UL-SCH数据传输, UE根据基站分配的资源块, 在 PUSCH上单 独传输下行信道质量信息。
根据 3GPP_Rel-8标准, IMCS = 29, 或者 IMCS = 30, 或者 IMCS = 31, 用以指示调制编码 方式的索引为 29或 30或 31, 索引 29或 30或 31表示为专门重传数据包的调制编码方式, 区 别于索引 0-28, 在此不作赘述。
另夕卜, UL-grant信令可以支持 1个 TB ( Transport block ,传输块) 传输, 也可以支持 2 个 TB传输:
此时, 具体的, 上述步骤 12中, 基站配置 UL— grant信令以指示重传数据包的调制 编码方式, 可以包括:
对于支持 1个传输块传输的 UL-grant信令, 基站配置 UL-grant信令内对应所述 1个传 输块的指示位 (例如调制编码方式的指示位 IMCS ) 指示重传数据包的调制编码方式, 如 或者, 对于支持 2个传输块传输的 UL-grant信令, 基站配置 UL-gmnt信令内对应所述 2个传输块的指示位都指示重传数据包的调制编码方式, 如 IMCS = 29;
或者, 对于支持 2个传输块传输的 UL-grant信令, 基站配置 UL-gmnt信令内对应所述 2个传输块中的 1个传输块的指示位指示重传数据包的调制编码方式, 如 IMCS = 29。
可见, UL— grant信令基于 3GPP_Rel-8标准, 指示用户设备根据基站分配的 PRB在 PUSCH上传输 UCI, 实现与 3GPP_Rel-8标准保持后向兼容性, 在不引入复杂度的前提下 解决了 UCI信息比特大小超过一定限制, 资源受限或 UCI传输性能下降的问题。 可选的, 本发明实施例信道质量信息的传输方法, 上述步骤 12, 可以包括: 基站配置 UL— grant信令内对应至少 1个传输块的指示位(例如通过两个或两个以上 UL— grant字域的组合作为指示位, 例如重传数据包的调制编码方式及新数据包指示为 初传数据包字域的组合, 或初传数据包的调制编码方式及新数据包指示为重传数据包字 域的组合) 指示对应的传输块无效, 以及配置 UL— grant信令以指示有信道质量信息触 发请求, 和分配的资源块个数, 将 UL-grant信令发送给用户设备, 以使得用户设备根据 基站分配的资源块在上行共享信道上单独传输信道质量信息给基站。 应当说明的是, 分 配的资源块个数即使不在配比值 X/Y对应的资源块个数集合中, 基站仅配置 UL— grant 信令内对应至少 1个传输块的指示位指示对应的传输块无效, 以及配置 UL— grant信令以 指示有信道质量信息触发请求, 即可触发用户设备根据基站分配的资源块在上行共享信 道上单独传输信道质量信息给基站。
具体的, 对于支持 1个 TB传输的 UL-grant信令, 基站配置 UL-grant信令内对应 1个 TB 的指示位指示 1个 TB disable (无效) , 并配置 UL-gmnt信令指示有信道质量信息触发请 求, 以及基站分配的资源块个数, 以使得用户设备根据基站分配的资源块个数在上行共 享信道上单独传输信道质量信息给基站;
或者, 对于支持 2个 TB传输的 UL-grant信令, 基站配置 UL-grant信令内对应 1个 TB的 指示位指示 1个 TB无效, 并配置 UL-grant信令指示有信道质量信息触发请求, 以及基站 分配的资源块个数, 以使得用户设备根据基站分配的资源块个数在上行共享信道上单独 传输信道质量信息给基站;
或者, 对于支持 2个传输块传输的 UL-gmnt信令, 基站配置 UL-grant信令内对应 2个
TB的指示位指示 2个 TB都 无效,并配置 UL-gmnt信令指示有信道质量信息触发请求, 以 及基站分配的资源块个数, 以使得用户设备根据基站分配的资源块个数在上行共享信道 上单独传输信道质量信息给基站。
可见, 根据 TB无效, 且 CQI-request= l , 可以触发用户设备在上行共享信道上单独 传输信道质量信息给基站。 再结合基站分配的 PRB个数, 用户设备根据基站分配的资源 块在上行共享信道上单独传输信道质量信息给基站。
同时, 对 UL-grant信令的具体字域没有限制, 只要通过配置 UL-grant信令的多个字 域, 触发用户设备在上行共享信道上单独传输信道质量信息给基站即可, 用户设备根据 基站分配的资源块在上行共享信道上单独传输信道质量信息给基站。
示例性的, 如 UL-grant信令的 "Precoding information (预编码信息) "字域, 其可以 指示用来传输 UCI的预编码向量, 隐性知道 UCI在一个 CW (Code Word, 码字) 上传输 还是两个 CW (码字)上传输以及信道矩阵的 rank (秩)值。 因此, 也可以配置" Precoding information"字域, 与 UL-gmnt信令的其他字域配合触发用户设备在上行共享信道上单独 传输信道质量信息给基站。
可选的, 本发明实施例信道质量信息的传输方法, 上述步骤 12, 可以包括: 基站配置 UL— grant信令以指示重传数据包的调制编码方式, 新数据包指示为初传 数据包, 有信道质量信息触发请求, 以及基站分配的资源块个数, 以使得用户设备根据 基站分配的资源块在上行共享信道上单独传输信道质量信息给基站; 应当说明的是, 分 配的资源块个数即使不在配比值 X/Y对应的资源块个数集合中, 基站仅配置 UL— grant 信令以指示重传数据包的调制编码方式, 新数据包指示为初传数据包, 有信道质量信息 触发请求, 即可触发用户设备根据基站分配的资源块在上行共享信道上单独传输信道质 量信息给基站。
示例行性的, 配置 UL— grant信令多个字域, 如 UL— grant信令中的 IMCS = 29, 用以 指示调制编码方式的索引为 29, 索引表示 29为重传数据包的调制编码方式, 即表示重传 数据包; NDI (New Data Indicator, 新数据包指示) 为初传数据包, 具体的, 根据 NDI 是否为 toggle (反转态) 确定是否初传数据包, 反转态指 NDI的状态与上次的状态不同, 如果 NDI上次为 1, 反转后, 此次 NDI应为 0, 如果 NDI上次为 0, 反转后, 此次 NDI应为 1, 否则, NDI为非反转态, 不是初传数据包, 而是重传数据包; CQI-request= l用以指示有 CQI触发请求, 有 CQI触发请求表示基站要求 UE 反馈信道质量信息; 以及 UL— grant信 令中 NpRB = N- PRB- uci (n PRE uCI e PRE— UCI ), 指示基站分配的 PRB个数。
这样, 根据 IMCS = 29, 表示重传数据包, 但是 NDI为反转态, 表示初传数据包, 导 致 UL— grant信令指示混乱, 贝 ijPUSCH上无法传输 UL-SCH数据, 再联合 CQI-request= 1, 以及基站分配的 PRB个数, 用户设备可以在 PUSCH上单独传输信道质量信息。
同理, IMCS = 30, IMCS = 31 , 也可以适用于本发明实施例信道质量信息的传输方法, 在此不再赘述。
或者, 上述步骤 12, 可以包括: 基站配置 UL— grant信令以指示初传数据包的调制 编码方式, 新数据包指示为重传数据包, 有信道质量信息触发请求, 以及基站分配的资 源块个数, 以使得用户设备根据基站分配的资源块在所述上行共享信道上单独传输信道 质量信息给基站。 应当说明的是, 分配的资源块个数即使不在配比值 X/Y对应的资源块 个数集合中, 基站仅配置 UL— grant信令指示初传数据包的调制编码方式, 新数据包指 示为重传数据包, 有信道质量信息触发请求, 即可触发用户设备根据基站分配的资源块 在上行共享信道上单独传输信道质量信息给基站。
示例行性的, 配置 UL— grant信令多个字域, 如 UL— grant信令中的 IMCS = 0, 用以指 示调制编码方式的索引为 0, 索引表示 0为初传数据包的调制编码方式, 即表示初传数据 包; NDI为非反转态, 即表示重传数据包; CQI-request= l用以指示有 CQI触发请求, 有 CQI触发请求表示基站要求 UE 反馈信道质量信息; 以及 UL— grant信令中
NpRB― N PRB UCI (n PRB UCI ^ N PgB uc』 ), 指示基站分配的 PRB个数。
这样, 根据 IMCS = 0, 表示初传数据包, 但是 NDI为非反转态, 表示重传数据包, 导 致 UL— grant信令指示混乱, 贝 ijPUSCH上无 UL-SCH数据传输, 再联合 CQI-request= 1, 以及基站分配的 PRB个数, 用户设备可以在 PUSCH上单独传输信道质量信息。
另夕卜, UL-gmnt信令可以支持 1个 TB传输, 也可以支持 2个 TB传输, 此时, 上述步骤 12中, 基站配置 UL— grant信令以指示重传数据包的调制编码方式, 可以包括:
对于支持 1个传输块传输的 UL-grant信令, 基站配置 UL-grant信令内对应所述 1个传 输块的指示位指示重传数据包的调制编码方式, 以及新数据包指示为初传数据包, 或者 配置 UL-gmnt信令内对应所述 1个传输块的指示位指示初传数据包的调制编码方式,以及 新数据包指示为重传数据包;
对于支持 2个传输块传输的 UL-grant信令, 基站配置所述 UL-gmnt信令内对应所述 2 个传输块的指示位都指示重传数据包的调制编码方式, 以及新数据包指示为初传数据 包,或者配置所述 UL-grant信令内对应所述 2个传输块的指示位都指示初传数据包的调制 编码方式, 以及新数据包指示为重传数据包;
或者, 对于支持 2个传输块传输的 UL-grant信令, 基站配置 UL-gmnt信令内对应所述 2个传输块中 1个传输块的指示位指示重传数据包的调制编码方式, 以及新数据包指示为 初传数据包, 或者配置 UL-gmnt信令内对应所述 2个传输块中 1个传输块的指示位指示初 传数据包的调制编码方式, 以及新数据包指示为重传数据包。
可见, 通过配置 UL-gmnt信令的多个字域, 触发用户设备根据基站分配的资源块在 上行共享信道上单独传输信道质量信息给基站。 如图 2所示, 对应于上述实施例的信道质量信息的传输方法, 本发明实施例提供了 一种基站, 包括:
分配单元 21, 当用户设备需要通过 X个上行载波反馈 Y个下行载波对应的信道质量 信息给基站时, 用于根据信道质量信息比特和配比值 X/Y对应的资源块个数集合, 为用 户设备分配资源块, 其中, X、 Y为大于等于 1的正整数。
配置单元 22, 用于将分配的资源块的个数配置在上行调度的控制信令 UL-grant中, 发送给用户设备。
本发明实施例中, 信道质量信息可以包括 CQI, PMI以及 RI, 信道质量信息也称作
UCI。
如图 3所示, 本发明实施例基站还可以包括:
第一存储单元 31, 用于存储配比值 X/Y对应的资源块个数集合, 当基站要求用户设 备在上行共享信道上单独传输所述信道质量信息时,基站根据信道质量信息比特和配比 值 X/Y对应的资源块个数集合, 为用户设备分配 Z个资源块, 其中 Z为正整数, 属于配比 值 X/Y对应的资源块个数集合。
其中, 配比值 X/Y对应的资源块个数集合保存在基站的信息表中, 信息表中可以包 括:
当 χ=1且 γ=1时, 配比值 1/1对应的资源块个数集合, 其中, 所述配比值 1/1对应的资 源块个数集合中包含: 用户设备需要通过 1个上行载波反馈 1个下行载波对应的信道质量 信息比特,且 1个下行载波对应的信道质量信息比特数包括 Μ种时,为所述 Μ种比特数分 配的 Ν种资源块个数, 其中, Μ, Ν为大于等于 1的正整数; 或者包含: 小于等于第一最 大值的正整数, 所述第一最大值为所述为 Ν种资源块个数中的最大值; 及
当 ≠1或¥≠1时, 配比值 Χ/Υ对应的资源块个数集合, 其中, 所述配比值 Χ/Υ对应的 资源块个数集合中包含:根据所述 Ν种资源块个数和所述配比值 Χ/Υ映射得到的 L种资源 块个数, 其中 L为大于 1的正整数, 或者, 小于等于第二最大值的正整数, 所述第二最大 值为所述 L种资源块个数中的最大值。
具体的,信息表、配比值 Χ/Υ对应的资源块个数集合可以参考上述图 1所示实施例得 以理解, 在此不做赘述。
可选的, 本发明实施例基站, 配置单元 22可以包括:
第一配置单元 221, 用于配置 UL— grant信令以指示重传数据包的调制编码方式, 有 信道质量信息触发请求, 以及分配的资源块的个数, 将 UL-grant发送给所述用户设备, 以使得用户设备根据基站分配的资源块在上行共享信道上单独传输信道质量信息给所 述基站。
具体的, 第一配置单元 221, 可以包括: 第一配置子单元, 用于对于支持 1个传输块传输的 UL-grant信令, 配置 UL-grant信令 内对应所述 1个传输块的指示位指示重传数据包的调制编码方式;
第二配置子单元, 用于对于支持 2个传输块传输的 UL-grant信令, UL-gmnt信令内对 应所述 2个传输块的指示位都指示重传数据包的调制编码方式, 或者, 对于支持 2个传输 块传输的 UL-grant信令, 配置所述 UL-grant信令内对应所述 2个传输块中的 1个传输块的 指示位指示重传数据包的调制编码方式。
具体的, 第一配置单元 221可以参考上述图 1所示实施例相同内容得以理解, 在此不 做赘述。
可见, UL— grant信令基于 3GPP_Rel-8标准, 指示用户设备根据基站分配的 PRB个 数在 PUSCH上传输 UCI, 实现与 3GPP_Rel-8标准保持后向兼容性, 在不引入复杂度的前 提下解决了 UCI信息比特大小超过一定限制, 资源受限或 UCI传输性能下降的问题。
可选的, 本发明实施例基站, 配置单元 22, 可以包括:
第二配置单元 222, 用于配置 UL— grant信令内对应至少 1个传输块的指示位指示对 应的传输块无效, 以及配置 UL— grant信令以指示有信道质量信息触发请求, 和所述分 配的资源块个数, 将 UL-gmnt信令发送给用户设备, 以使得用户设备根据所述基站分配 的资源块在上行共享信道上单独传输信道质量信息给所述基站。
可见, 对 UL-grant信令的具体字域没有限制, 只要通过配置 UL-grant信令的多个字 域, 可以实现指示用户设备上行共享信道上无数据传输, 使得用户设备可以根据基站分 配的资源块个数在上行共享信道上单独传输信道质量信息给基站。
具体的, 第二配置单元 222可以参考上述图 1所示实施例相同内容得以理解, 在此不 做赘述。
可选的, 本发明实施例基站, 配置单元 22, 可以包括:
第三配置单元 223, 用于配置 UL— grant信令以指示重传数据包的调制编码方式, 新 数据包指示为初传数据包, 有信道质量信息触发请求, 以及基站分配的资源块个数, 以 使得用户设备根据基站分配的资源块个数在上行共享信道上单独传输信道质量信息给 基站;
或者, 基站配置 UL— grant信令以指示初传数据包的调制编码方式, 新数据包指示 为重传数据包, 有信道质量信息触发请求, 以及基站分配的资源块个数, 以使得用户设 备根据基站分配的资源块个数在上行共享信道上单独传输信道质量信息给所述基站。
具体的, 第三配置单元 223, 可以包括: 第三配置子单元, 用于对于支持 1个传输块传输的 UL-gmnt信令, 配置 UL-grant信令 内对应所述 1个传输块的指示位指示重传数据包的调制编码方式, 以及新数据包指示为 初传数据包,或者配置 UL-gmnt信令内对应所述 1个传输块的指示位指示初传数据包的调 制编码方式, 以及新数据包指示为重传数据包;
第四配置子单元, 用于对于支持 2个传输块传输的 UL-grant信令, 配置 UL-grant信令 内对应所述 2个传输块的指示位都指示重传数据包的调制编码方式, 以及新数据包指示 为初传数据包,或者配置 UL-gmnt信令内对应所述 2个传输块的指示位都指示初传数据包 的调制编码方式, 以及新数据包指示为重传数据包, 或者, 对于支持 2个传输块传输的 UL-gmnt信令, 配置 UL-grant信令内对应所述 2个传输块中 1个传输块的指示位指示重传 数据包的调制编码方式, 以及新数据包指示为初传数据包, 或者配置 UL-grant信令内对 应所述 2个传输块中 1个传输块的指示位指示初传数据包的调制编码方式, 以及新数据包 指示为重传数据包。
具体的, 第三配置单元 223, 可以参考上述图 1所示实施例相同内容得以理解, 在此 不做赘述。
由上述本发明的实施例提供的技术方案可以看出,基站可以根据信道质量信息比特 和资源块个数集合为用户设备分配资源块, 实现适应性的分配上行调度带宽, 避免用户 设备只能在固定带宽资源下传输信道质量信息, 难以满足传输性能的缺陷。 如图 4所示, 本发明的实施例提供一种信道质量信息传输的方法, 包括:
步骤 41、 基站配置 UL— grant信令内对应至少 1个传输块的指示位指示对应的传输块 无效, 以及配置 UL— grant信令以指示有信道质量信息触发请求, 和分配的资源块个数。
步骤 42、 基站将 UL-gmnt信令发送给用户设备, 以使得用户设备根据基站分配的资 源块在上行共享信道上单独传输信道质量信息给基站。
具体的, 本发明的实施例触发信道质量信息传输的方法, 可以参考上述图 1所示实 施例相同内容得以理解, 在此不做赘述。
可见, 根据 TB无效, 且 CQI-request= l , 可以触发用户设备在上行共享信道上单独 传输信道质量信息给基站。 再结合基站为用户设备分配的资源块个数, 用户设备可以根 据基站分配的资源块在上行共享信道上单独传输信道质量信息给基站。
同时, 对 UL-grant信令的具体字域没有限制, 只要通过配置 UL-grant信令的多个字 域, 触发用户设备在上行共享信道上单独传输信道质量信息给基站即可, 进一步, 用户 设备根据基站分配的资源块在上行共享信道上单独传输信道质量信息给基站。
示例性的, 如 UL-grant信令的 "Precoding information"字域, 其可以指示用来传输 UCI 的预编码向量,隐性知道 UCI在一个 CW上传输还是两个 CW (上传输以及信道矩阵的 rank (秩) 值。 因此, 也可以配置" Precoding information"字域, 与 UL-grant信令的其他字域 配合触发用户设备在上行共享信道上单独传输信道质量信息给基站。
由上述本发明的实施例提供的技术方案可以看出,基站可以根据信道质量信息比特 和资源块个数集合为用户设备分配资源块, 实现适应性的分配上行调度带宽, 避免用户 设备只能在固定带宽资源下传输信道质量信息, 难以满足传输性能的缺陷。 如图 5所示, 对应上述实施例触发信道质量信息传输的方法, 本发明的实施例提供 一种基站, 包括:
第四配置单元 51、 用于配置 UL— grant信令内对应至少 1个传输块的指示位指示对应 的传输块无效, 以及配置 UL— grant信令以指示有信道质量信息触发请求, 和分配的资 源块个数。
发送单元 52、 用于将 UL-gmnt信令发送给用户设备, 以使得用户设备根据基站分配 的资源块在上行共享信道上单独传输信道质量信息给基站。
具体的, 本发明的实施例基站, 可以参考上述图 1所示实施例相同内容得以理解, 在此不做赘述。
可见, 根据 TB无效, 且 CQI-request= l , 可以触发用户设备在上行共享信道上单独 传输信道质量信息给基站。 再结合基站为用户设备分配的资源块个数, 用户设备可以根 据基站分配的资源块在上行共享信道上单独传输信道质量信息给基站。
由上述本发明的实施例提供的技术方案可以看出,基站可以根据信道质量信息比特 和资源块个数集合为用户设备分配资源块, 实现适应性的分配上行调度带宽, 避免用户 设备只能在固定带宽资源下传输信道质量信息, 难以满足传输性能的缺陷。 如图 6所示, 本发明的实施例提供一种信道质量信息的传输方法, 包括:
步骤 61、 当用户设备需要通过 X个上行载波反馈 Y个下行载波对应的信道质量信息 给基站时, 用户设备接收上行调度的控制信令 UL-gmnt, 获得基站根据所述信道质量信 息比特和配比值 X/Y对应的资源块个数集合, 为用户设备分配资源块的个数, 其中, X、 Y为大于等于 1的正整数。
步骤 62、 用户设备根据基站分配的资源块, 传输信道质量信息给基站。 本发明实施例信道质量信息的传输方法中, 基站可以是 LTE系统的基站, 用户设备 需要传输下行载波对应的信道质量信息给基站, 信道质量信息可以包括 CQI, PMI以及 RI, 信道质量信息也称作 UCI。
本发明的实施例信道质量信息的传输方法, 还可以包括:
用户设备通过高层信令或动态信令从基站处获得配比值 X/Y对应的资源块个数集 合, 或者, 通过配比值 X/Y隐性推断获得配比值 X/Y对应的资源块个数集合。
可见, UE可以通过高层信令或动态信令从基站处获得配比值 X/Y对应的资源块个数 集合; 或者, UE通过配比值 X/Y, 隐性推断获得资源块个数集合 [Cl, C2, ...CN]。
配比值 X/Y对应的资源块个数集合可以通过信息表保存, 信息表中可以包括: 当 X=l且 Y=l时, 配比值 1/1对应的资源块个数集合, 其中, 所述配比值 1/1对应的资 源块个数集合中包含: 用户设备需要通过 1个上行载波反馈 1个下行载波对应的信道质量 信息比特,且 1个下行载波对应的信道质量信息比特数包括 Μ种时,为所述 Μ种比特数分 配的 Ν种资源块个数, 其中, Μ, Ν为大于等于 1的正整数; 或者包含: 小于等于第一最 大值的正整数, 所述第一最大值为所述为 Ν种资源块个数中的最大值; 及
当 ≠1或¥≠1时, 配比值 Χ/Υ对应的资源块个数集合, 其中, 所述配比值 Χ/Υ对应的 资源块个数集合中包含:根据所述 Ν种资源块个数和所述配比值 Χ/Υ映射得到的 L种资源 块个数, 其中 L为大于 1的正整数, 或者, 小于等于第二最大值的正整数, 所述第二最大 值为所述 L种资源块个数中的最大值。
信息表、配比值 Χ/Υ对应的资源块个数集合具体可以参考上述图 1所示实施例得以理 解, 在此不做赘述。
可选的, 本发明的实施例信道质量信息的传输方法, 上述步骤 41, 可以包括: 用户设备接收上行调度的控制信令 UL-gmnt, UL— grant信令指示重传数据包的调制 编码方式, 有信道质量信息触发请求, 以及分配的资源块的个数。
此时, 用户设备确定分配的资源块的个数是否归属于配比值 X/Y对应的资源块个数 集合 , 当确定分配的资源块的个数归属于配比值 X/Y对应的资源块个数集合时,用户设 备根据基站分配的资源块在上行共享信道上单独传输信道质量信息给基站。
反之, 当确定分配的资源块的个数归属于配比值 X/Y对应的资源块个数集合时, 用 户设备可以将信道质量信息与 UL-SCH数据复用上行共享信道传输。
具体的, UL— grant信令可以参考图 1所示的实施例的相关 UL— grant信令,在此不再 赘述。 可见, 用户设备可以在上行共享信道上单独传输信道质量信息, 或者信道质量信息 可以与 UL-SCH数据复用上行共享信道传输。
可选的, 本发明的实施例信道质量信息的传输方法, 上述步骤 41, 可以包括: 用户设备接收上行调度的控制信令 UL-grant, UL— grant信令内对应至少 1个传输块 的指示位指示对应的传输块无效, 以及配置 UL— grant信令以指示有信道质量信息触发 请求, 和分配的资源块个数;
此时,用户设备根据基站分配的资源块个数在上行共享信道上单独传输信道质量信 息给基站。
具体的,对于支持 1个 TB传输的 UL-grant信令,用户设备接收的基站配置的 UL-grant 信令内对应 1个 TB的指示位指示 1个 TB disable (无效) , 并配置 UL-grant信令指示有信 道质量信息触发请求, 以及基站分配的资源块个数, 以使得用户设备根据基站分配的资 源块个数在上行共享信道上单独传输信道质量信息给基站;
或者, 对于支持 2个 TB传输的 UL-gmnt信令, 用户设备接收的基站配置的 UL-grant 信令内对应 1个 TB的指示位指示 1个 TB无效,并配置 UL-gmnt信令指示有信道质量信息触 发请求, 以及基站分配的资源块个数, 以使得用户设备根据基站分配的资源块个数在上 行共享信道上单独传输信道质量信息给基站;
或者, 对于支持 2个传输块传输的 UL-grant信令, 用户设备接收的基站配置的 UL-gmnt信令内对应 2个 TB的指示位指示 2个 TB 都无效, 并配置 UL-gmnt信令指示有信 道质量信息触发请求, 以及基站分配的资源块个数, 以使得用户设备根据基站分配的资 源块个数在上行共享信道上单独传输信道质量信息给基站。 具体的, UL— grant信令可以参考图 1所示的实施例的相关 UL— grant信令,在此不再 赘述。
可选的, 本发明的实施例信道质量信息的传输方法, 上述步骤 41, 可以包括: 用户设备接收上行调度的控制信令 UL-gmnt, UL— grant信令指示重传数据包的调制 编码方式, 新数据包指示为初传数据包, 有信道质量信息触发请求, 以及所述基站分配 的资源块个数; 或者, UL— grant信令指示初传数据包的调制编码方式, 新数据包指示 为重传数据包, 有信道质量信息触发请求, 以及所述基站分配的资源块个数;
此时,用户设备根据基站分配的资源块个数在上行共享信道上单独传输信道质量信 息给基站。 具体的, UL— grant信令可以参考图 1所示的实施例的相关 UL— grant信令,在此不再 赘述。
由上述本发明的实施例提供的技术方案可以看出,基站可以根据信道质量信息比特 和资源块个数集合为用户设备分配资源块, 实现适应性的分配上行调度带宽, 避免用户 设备只能在固定带宽资源下传输信道质量信息, 难以满足传输性能的缺陷。
本发明的实施例信道质量信息的传输方法, 步骤 62, 可以包括:
当基站分配的资源块个数无法满足信道质量信息的传输时,用户设备将信道质量信 息划分为多个数据包, 将多个数据包通过多个连续的上行子帧传输给基站。
其中, 用户设备将信道质量信息划分为多个数据包的方式, 可以包括:
根据信道质量信息比特数,用户设备将信道质量信息均分为比特数相同的多个数据 包;
或者, 用户设备将不同下行载波对应的信道质量信息划分在不同数据包; 或者, 用户设备根据信道质量信息的内容, 将内容相同的信道质量信息划分在同一 个数据包。 也就是, 基于信道质量信息的内容不同, 则信道质量信息 的比特数也不同, 将内容相同的信道质量信息划分在同一个数据包。
同时, 本发明的实施例信道质量信息的传输方法中, 可选的, 用户设备反馈信道质 量信息的多个上行子帧的个数可以是通过高层信令或动态信令配置得到。
由上述本发明的实施例提供的技术方案可以看出, 即使在用户设备反馈的信道质量 信息比特超过基站分配的传输带宽时, 用户设备可以将信道质量信息划分为多个数据 包, 以满足传输性能。 如图 7所示, 对应于上述实施例的信道质量信息的传输方法, 本发明实施例提供了 一种用户设备, 包括:
接收单元 71, 用户设备需要通过 X个上行载波反馈 Y个下行载波对应的信道质量信 息给基站时, 用于接收上行调度的控制信令 UL-gmnt, 获得基站根据信道质量信息比特 和配比值 X/Y对应的资源块个数集合, 为用户设备分配资源块的个数, 其中, X、 Y为大 于等于 1的正整数。
传输单元 72, 用于根据基站分配的资源块, 传输信道质量信息给基站。
其中, 基站可以是 LTE系统的基站, 用户设备需要传输下行载波对应的信道质量信 息给基站, 信道质量信息可以包括 CQI, PMI以及 RI, 信道质量信息也称作 UCI。 由上述本发明的实施例提供的技术方案可以看出,基站可以根据信道质量信息比特 和资源块个数集合为用户设备分配资源块, 实现适应性的分配上行调度带宽, 避免用户 设备只能在固定带宽资源下传输信道质量信息, 难以满足传输性能的缺陷。
如图 8所示, 本发明实施例用户设备, 还可以包括:
获取单元 81, 用于通过高层信令或动态信令从基站处获得配比值 X/Y对应的资源块 个数集合, 或者, 通过配比值 X/Y隐性推断获得配比值 X/Y对应的资源块个数集合。
第二存储单元 82, 通过信息表保存配比值 X/Y对应的资源块个数集合。
确定单元 83, 用于确定分配的资源块的个数是否归属于配比值 X/Y对应的资源块个 数集合 。
信息表、 资源块个数集合具体可以参考上述图 1所示实施例得以理解, 在此不做赘 述。
可选的, 接收单元 71, 可以包括:
第一接收单元, 用于接收上行调度的控制信令 UL-gmnt, UL— grant信令指示重传数 据包的调制编码方式, 有信道质量信息触发请求, 以及分配的资源块的个数。
此时, 确定单元 83确定所述分配的资源块的个数是否归属于所述配比值 X/Y对应的 资源块个数集合,传输单元 72根据基站分配的资源块在上行共享信道上单独传输信道质 量信息给所述基站。
具体的, UL— grant信令可以参考图 1所示的实施例的相关 UL— grant信令,在此不再 赘述。
可选的, 接收单元 71, 可以包括:
第二接收单元, 用于接收上行调度的控制信令 UL-gmnt, 所述 UL— grant信令内对应 至少 1个传输块的指示位指示对应的传输块无效, 以及配置 UL— grant信令以指示有信道 质量信息触发请求, 和分配的资源块个数。
具体的, UL— grant信令可以参考图 1所示的实施例的相关 UL— grant信令,在此不再 赘述。
可选的, 接收单元 71, 可以包括:
第三接收单元, 用于接收上行调度的控制信令 UL-gmnt, 所述 UL— grant信令指示重 传数据包的调制编码方式, 新数据包指示为初传数据包, 有信道质量信息触发请求, 以 及所述基站分配的资源块个数; 或者, 所述 UL— grant信令指示初传数据包的调制编码 方式, 新数据包指示为重传数据包, 有信道质量信息触发请求, 以及所述基站分配的资 源块个数。
具体的, UL— grant信令可以参考图 1所示的实施例的相关 UL— grant信令,在此不再 赘述。
可选的, 传输单元 72, 可以包括:
划分子单元, 用于当基站分配的资源块个数无法满足信道质量信息的传输时, 将信 道质量信息划分为多个数据包。
发送子单元, 用于将多个数据包通过多个连续的上行子帧传输给基站。
进一步, 划分子单元, 可以包括:
第一划分子单元, 用于根据信道质量信息比特数, 用户设备将所述信道质量信息均 分为比特数相同的多个数据包;
或者, 第二划分子单元, 用于将不同下行载波对应的信道质量信息划分在不同数据 包;
或者, 第三划分子单元, 用于根据信道质量信息的内容, 将内容相同的信道质量信 息划分在同一个数据包。
本发明的实施例信道质量信息的传输方法,用户设备反馈信道质量信息的多个上行 子帧的个数可以是通过高层信令或动态信令配置得到。
由上述本发明的实施例提供的技术方案可以看出,基站保存信道质量信息比特数与 资源块个数集合信息之间对应表, 基站实现根据信道质量信息比特数大小, 适应性的分 配上行调度带宽。
即使在用户设备反馈的信道质量信息比特超过基站分配的传输带宽时,用户设备可 以将信道质量信息划分为多个数据包, 以满足传输性能。 下面结合 LTE-A (LTE- Advanced, LTE演进) 系统, 说明本发明实施例信道质量信 息的传输方法,实现与 3GPP_Rel-8标准保持后向兼容性。其中,使用 UL— grant中的" IMCS = 29", "CQI-request= l"以及 " PRB υσ )"来联合指示需要进 行 UCI单独在 PUSCH上传输。
具体的, 基站配置 UL— grant信令中 "IMCS = 29", "CQI-request = 1"以及 - NPRB = n PRB UCI (n_PRB UCI e N_PRB UCI ),,, 来联合指示需要进行 UCI单独在 PUSCH上传 输。
基站发送配置好的 UL— grant信令给 UE。 UE确定" IMCS = 29"表示重传数据包, "CQI-request = 1"表示有 CQI触发请求,
NpRB - n— pRB yd (n— PRE— UCI e N— pRBUCI ), NPRB的取值属于 n PRE— UCI中的— ^值, 贝 ij石角定 满足触发进行 UCI单独在 PUSCH上传输的条件, UE在 PUSCH上单独 UCI传输给基站。
否则,确定不满足触发进行 UCI单独在 PUSCH上传输的条件,进而,不触发进行 UCI 单独在 PUSCH上传输。
其中, 对于只支持一个 TB传输的 UL-gmnt信令, 直接用以上所述方法来指示 UE需 要进行 UCI在 PUSCH单独传输。
对于支持两个 TB的传输的 UL-gmnt信令, 两个 TB都满足 "IMCS = 29", 或者只有其中 一个 TB满足" IMCS = 29", 并与 NpRB PRE uci e PRE uCI )以及" CQI-request = 1"一起联合触发 UCI单独在 PUSCH上传输。
由上述本发明的实施例提供的技术方案可以看出,基站保存信道质量信息比特数与 资源块个数集合信息之间对应表, 基站实现根据信道质量信息比特数大小, 适应性的分 配上行调度带宽。 下面结合 LTE-A系统, 说明本发明实施例信道质量信息的传输方法。 其中, 用 UL grant信令中的" IMCS = 29"或者" IMCS = 0", "NDI" 为 toggle (反转态) 或非反转态,
"CQI-request = 1", NpRB = n-PRB-UCI (n-PRB-UCI e N-PRB-UCI )来联合指示需要进行 UCI单独 在 PUSCH上传输。
具体的, 基站配置 UL— grant信令中的" IMCS = 29", "NDI=0" , 对应上次 NDI=1, 或 者, "NDI=1" , 对应上次 NDI=0, 贝 IjNDI表示为反转态, 表示新传数据包, "CQI-request
= 1", 以及 NpRB PRE uci (n PRE uci e N PRE UCI), 指示 PUSCH没有 UL— SCH数据的传 输, 指示需要进行 UCI在 PUSCH单独传输。
或者, 基站配置 UL— grant信令中的" IMCS = 0", "NDI=0" , 对应上次 NDI=0, 或者, "NDI=1" , 对应上次 NDI=1, 则 NDI表示为非反转态, 表示重传数据包, "CQI-request= 1",以及 NpRB PRB— uci (n PRE uCI e N— PRB UCI ),指示 PUSCH没有 UL— SCH数据的传输, 指示需要进行 UCI在 PUSCH单独传输。
基站发送配置好的 UL— grant信令给 UE。
UE确定 "IMCS = 29"表示重传数据包, "NDI为反转态" 表示初传数据包, "CQI-request
= 1"表示有 CQI触发请求, NpRB PRB— uci (n— PRE uci e PRE UCI ), NPRB的取值属于 ii 中的一个值, 则确定满足触发进行 UCI单独在 PUSCH上传输的条件。
或者, UE确定" IMCS = 0"表示初传数据包, "NDI为非反转态" 表示重传数据包,
"CQI-request= Γ表示有 CQI触发请求, NpRB = n-PRB-UCI (n-PRB-UCI e N PRB-UCI ), NpRB的 取值属于 n-PRB-ua中的一个值, 则确定满足触发进行 UCI单独在 PUSCH上传输的条件。
UE在 PUSCH上单独 UCI传输给基站。
否则, UE确定不满足触发进行 UCI单独在 PUSCH上传输的条件, 进而, 不触发进行 UCI单独在 PUSCH上传输。
其中, 对于只支持一个 TB的传输的 UL-gmnt信令, 直接用以上所述方法来指示需要 进行 UCI在 PUSCH单独传输。
对于支持两个 TB的传输的 UL-gmnt信令,则对第一个 TB,用 NDI反转态与 "IMCS = 29" 联合,或者 NDI非反转态与" IMCS = 0"联合;对第二个 TB,用 NDI反转态与" IMCS = 29"联合, 或者 NDI非反转态与 "IMCS = 0"联合, 并与 N -uCI _uci E N_PRB UCI )以及 "CQI-request= l"—起联合触发 UCI单独在 PUSCH上传输。
或者两个 TB, 至少有一个 TB, 用 NDI反转态与 "IMCS = 29"联合, 或者 NDI非反转态 与 "IMCS = 0"联合, 并与 NpRB -Uci e N— uc! )以及" CQI-request= Γ—起 联合触发 UCI单独在 PUSCH上传输。
由上述本发明的实施例提供的技术方案可以看出,基站保存信道质量信息比特数与 资源块个数集合信息之间对应表, 基站实现根据信道质量信息比特数大小, 适应性的分 配上行调度带宽。 需要说明的是, 对于前述的各方法实施例, 为了简单描述, 故将其都表述为一系列 的动作组合, 但是本领域技术人员应该知悉, 本发明并不受所描述的动作顺序的限制, 因为依据本发明, 某些步骤可以采用其他顺序或者同时进行。 其次, 本领域技术人员也 应该知悉, 说明书中所描述的实施例均属于优选实施例, 所涉及的动作和模块并不一定 是本发明所必须的。
在上述实施例中,对各个实施例的描述都各有侧重,某个实施例中没有详述的部分, 可以参见其他实施例的相关描述。
本领域普通技术人员可以理解实现上述实施例方法中的全部或部分流程, 是可以通 过计算机程序来指令相关的硬件来完成,所述的程序可存储于一计算机可读取存储介质 中, 该程序在执行时, 可包括如上述各方法的实施例的流程。 其中, 所述的存储介质可 为磁碟、光盘、只读存储记忆体(Read-Only Memory, ROM)或随机存储记忆体(Random Access Memory, RAM) 等。
以上所述, 仅为本发明较佳的具体实施方式, 但本发明的保护范围并不局限于此, 任何熟悉本技术领域的技术人员在本发明揭露的技术范围内, 可轻易想到的变化或替 换, 都应涵盖在本发明的保护范围之内。 因此, 本发明的保护范围应该以权利要求的保 护范围为准。

Claims

权利要求
1、 一种信道质量信息的传输方法, 其特征在于, 包括:
如果用户设备需要通过 X个上行载波反馈 Y个下行载波对应的信道质量信息给基 站, 所述基站根据所述信道质量信息比特和配比值 X/Y对应的资源块个数集合, 为所述 用户设备分配资源块, 其中, X、 Y为大于等于 1的正整数;
所述基站将分配的资源块的个数配置在上行调度的控制信令 UL-grant中, 发送给所 述用户设备。
2、 根据权利要求 1所述的方法, 其特征在于, 所述基站根据所述信道质量信息比特 和配比值 X/Y对应的资源块个数集合, 为所述用户设备分配资源块, 包括:
如果所述基站要求所述用户设备在上行共享信道上单独传输所述信道质量信息,所 述基站根据所述信道质量信息比特和配比值 X/Y对应的资源块个数集合, 为所述用户设 备分配 Z个资源块, 其中 Z为正整数, 属于所述配比值 X/Y对应的资源块个数集合; 其中, 所述配比值 X/Y对应的资源块个数集合保存在基站的信息表中, 所述信息表 中包括:
当 X=l且 Y=l时, 配比值 1/1对应的资源块个数集合, 其中, 所述配比值 1/1对应的资 源块个数集合中包含: 用户设备需要通过 1个上行载波反馈 1个下行载波对应的信道质量 信息比特,且 1个下行载波对应的信道质量信息比特数包括 Μ种时,为所述 Μ种比特数分 配的 Ν种资源块个数, 其中, Μ, Ν为大于等于 1的正整数; 或者包含: 小于等于第一最 大值的正整数, 所述第一最大值为所述为 Ν种资源块个数中的最大值; 及
当 ≠1或¥≠1时, 配比值 Χ/Υ对应的资源块个数集合, 其中, 所述配比值 Χ/Υ对应的 资源块个数集合中包含:根据所述 Ν种资源块个数和所述配比值 Χ/Υ映射得到的 L种资源 块个数, 其中 L为大于 1的正整数, 或者, 小于等于第二最大值的正整数, 所述第二最大 值为所述 L种资源块个数中的最大值。
3、 根据权利要求 1或 2所述的方法, 其特征在于, 所述基站将所述分配的资源块的 个数配置在上行调度的控制信令 UL-gmnt中, 发送给所述用户设备, 包括:
所述基站配置 UL— grant信令以指示重传数据包的调制编码方式, 有信道质量信息 触发请求, 以及所述分配的资源块的个数, 将所述 UL-grant发送给所述用户设备, 以使 得所述用户设备根据所述基站分配的资源块在所述上行共享信道上单独传输信道质量 信息给所述基站。
4、 根据权利要求 3所述的方法, 其特征在于, 所述基站配置 UL— grant信令以指示 重传数据包的调制编码方式, 包括:
对于支持 1个传输块传输的 UL-gmnt信令, 所述基站配置所述 UL-grant信令内对应所 述 1个传输块的指示位指示重传数据包的调制编码方式;
对于支持 2个传输块传输的 UL-gmnt信令, 所述基站配置所述 UL-grant信令内对应所 述 2个传输块的指示位都指示重传数据包的调制编码方式;
或者, 对于支持 2个传输块传输的 UL-grant信令, 所述基站配置所述 UL-grant信令内 对应所述 2个传输块中的 1个传输块的指示位指示重传数据包的调制编码方式。
5、 根据权利要求 1或 2所述的方法, 其特征在于, 所述基站将所述分配的资源块的 个数配置在上行调度的控制信令中, 发送给所述用户设备, 包括:
所述基站配置 UL— grant信令内对应至少 1个传输块的指示位指示对应的传输块无 效, 以及配置 UL— grant信令以指示有信道质量信息触发请求, 和所述分配的资源块个 数, 将所述 UL-grant信令发送给所述用户设备, 以使得所述用户设备根据所述基站分配 的资源块在所述上行共享信道上单独传输信道质量信息给所述基站。
6、 根据权利要求 1或 2所述的方法, 其特征在于, 所述基站将所述分配的资源块的 个数配置在上行调度的控制信令中, 发送给所述用户设备, 包括:
所述基站配置 UL— grant信令以指示重传数据包的调制编码方式, 新数据包指示为 初传数据包, 有信道质量信息触发请求, 以及所述基站分配的资源块个数, 以使得所述 用户设备根据所述基站分配的资源块在所述上行共享信道上单独传输信道质量信息给 所述基站;
或者, 所述基站配置 UL— grant信令以指示初传数据包的调制编码方式, 新数据包 指示为重传数据包, 有信道质量信息触发请求, 以及所述基站分配的资源块个数, 以使 得所述用户设备根据所述基站分配的资源块在所述上行共享信道上单独传输信道质量 信息给所述基站。
7、 根据权利要求 6所述的方法, 其特征在于, 所述基站配置 UL— grant信令以指示 重传数据包的调制编码方式和新数据包指示为初传数据包, 或所述基站配置 UL— grant 信令以指示初传数据包的调制编码方式和新数据包指示为重传数据包, 包括:
对于支持 1个传输块传输的 UL-gmnt信令, 所述基站配置所述 UL-grant信令内对应所 述 1个传输块的指示位指示重传数据包的调制编码方式, 以及新数据包指示为初传数据 包,或者配置所述 UL-grant信令内对应所述 1个传输块的指示位指示初传数据包的调制编 码方式, 以及新数据包指示为重传数据包; 对于支持 2个传输块传输的 UL-gmnt信令, 所述基站配置所述 UL-grant信令内对应所 述 2个传输块的指示位都指示重传数据包的调制编码方式, 以及新数据包指示为初传数 据包,或者配置所述 UL-gmnt信令内对应所述 2个传输块的指示位都指示初传数据包的调 制编码方式, 以及新数据包指示为重传数据包;
或者, 对于支持 2个传输块传输的 UL-grant信令, 所述基站配置所述 UL-grant信令内 对应所述 2个传输块中 1个传输块的指示位指示重传数据包的调制编码方式, 以及新数据 包指示为初传数据包, 或者配置所述 UL-grant信令内对应所述 2个传输块中 1个传输块的 指示位指示初传数据包的调制编码方式, 以及新数据包指示为重传数据包。
8、根据权利要求 3或 6所述的方法,其特征在于,具体通过配置 UL— grant信令中 IMCS =29, 或者 IMCS = 30, 或者 IMCS = 31, 指示重传数据包的调制编码方式。
9、 一种基站, 其特征在于, 包括:
分配单元, 当用户设备需要通过 X个上行载波反馈 Y个下行载波对应的信道质量信 息给基站时, 用于根据所述信道质量信息比特和配比值 X/Y对应的资源块个数集合, 为 所述用户设备分配资源块, 其中, X、 Y为大于等于 1的正整数;
配置单元, 用于将分配的资源块的个数配置在上行调度的控制信令 UL-gmnt中, 发 送给所述用户设备。
10、 根据权利要求 9所述的基站, 其特征在于, 所述基站还包括:
第一存储单元, 用于存储所述配比值 X/Y对应的资源块个数集合, 当所述基站要求 所述用户设备在上行共享信道上单独传输所述信道质量信息时,所述基站根据所述信道 质量信息比特和配比值 X/Y对应的资源块个数集合, 为所述用户设备分配 Z个资源块, 其中 Z为正整数, 属于所述配比值 X/Y对应的资源块个数集合。
11、 根据权利要求 9或 10所述的基站, 其特征在于, 所述配置单元还包括: 第一配置单元, 用于配置 UL— grant信令以指示重传数据包的调制编码方式, 有信 道质量信息触发请求, 以及所述分配的资源块的个数, 将所述 UL-gmnt发送给所述用户 设备, 以使得所述用户设备根据所述基站分配的资源块在所述上行共享信道上单独传输 信道质量信息给所述基站。
12、 根据权利要求 11所述的基站, 其特征在于, 所述第一配置单元包括: 第一配置子单元, 用于对于支持 1个传输块传输的 UL-grant信令, 配置所述 UL-grant 信令内对应所述 1个传输块的指示位指示重传数据包的调制编码方式;
第二配置子单元, 用于对于支持 2个传输块传输的 UL-grant信令, 所述 UL-grant信令 内对应所述 2个传输块的指示位都指示重传数据包的调制编码方式, 或者, 对于支持 2个 传输块传输的 UL-grant信令, 配置所述 UL-gmnt信令内对应所述 2个传输块中的 1个传输 块的指示位指示重传数据包的调制编码方式。
13、 根据权利要求 9或 10所述的基站, 其特征在于, 所述配置单元还包括: 第二配置单元, 用于配置 UL— grant信令内对应至少 1个传输块的指示位指示对应的 传输块无效, 以及配置 UL— grant信令以指示有信道质量信息触发请求, 和所述分配的 资源块个数, 将所述 UL-gmnt信令发送给所述用户设备, 以使得所述用户设备根据所述 基站分配的资源块在所述上行共享信道上单独传输信道质量信息给所述基站。
14、 根据权利要求 9或 10所述的基站, 其特征在于, 所述配置单元还包括: 第三配置单元, 用于配置 UL— grant信令以指示重传数据包的调制编码方式, 新数 据包指示为初传数据包, 有信道质量信息触发请求, 以及所述基站分配的资源块个数, 以使得所述用户设备根据所述基站分配的资源块个数在所述上行共享信道上单独传输 信道质量信息给所述基站;
或者, 所述基站配置 UL— grant信令以指示初传数据包的调制编码方式, 新数据包 指示为重传数据包, 有信道质量信息触发请求, 以及所述基站分配的资源块个数, 以使 得所述用户设备根据所述基站分配的资源块个数在所述上行共享信道上单独传输信道 质量信息给所述基站。
15、 根据权利要求 14所述的基站, 其特征在于, 所述第三配置单元包括: 第三配置子单元, 用于对于支持 1个传输块传输的 UL-grant信令, 配置所述 UL-grant 信令内对应所述 1个传输块的指示位指示重传数据包的调制编码方式, 以及新数据包指 示为初传数据包,或者配置所述 UL-gmnt信令内对应所述 1个传输块的指示位指示初传数 据包的调制编码方式, 以及新数据包指示为重传数据包;
第四配置子单元, 用于对于支持 2个传输块传输的 UL-grant信令, 配置所述 UL-grant 信令内对应所述 2个传输块的指示位都指示重传数据包的调制编码方式, 以及新数据包 指示为初传数据包,或者配置所述 UL-gmnt信令内对应所述 2个传输块的指示位都指示初 传数据包的调制编码方式, 以及新数据包指示为重传数据包, 或者, 对于支持 2个传输 块传输的 UL-grant信令, 配置所述 UL-grant信令内对应所述 2个传输块中 1个传输块的指 示位指示重传数据包的调制编码方式, 以及新数据包指示为初传数据包, 或者配置所述 UL-gmnt信令内对应所述 2个传输块中 1个传输块的指示位指示初传数据包的调制编码方 式, 以及新数据包指示为重传数据包。
16、 一种信道质量信息的传输方法, 其特征在于, 包括:
当用户设备需要通过 X个上行载波反馈 Y个下行载波对应的信道质量信息给基站 时, 所述用户设备接收上行调度的控制信令 UL-gmnt, 获得所述基站根据所述信道质量 信息比特和配比值 X/Y对应的资源块个数集合, 为所述用户设备分配资源块的个数, 其 中, X、 Y为大于等于 1的正整数;
所述用户设备根据所述基站分配的资源块, 传输所述信道质量信息给所述基站。
17、 根据权利要求 16所述的方法, 其特征在于, 所述方法还包括:
所述用户设备通过高层信令或动态信令从所述基站处获得配比值 X/Y对应的资源块 个数集合, 或者, 通过配比值 X/Y隐性推断获得配比值 X/Y对应的资源块个数集合; 所述配比值 χ/γ对应的资源块个数集合包括:
当 χ=1且 γ=1时, 配比值 1/1对应的资源块个数集合, 其中, 所述配比值 1/1对应的资 源块个数集合中包含: 用户设备需要通过 1个上行载波反馈 1个下行载波对应的信道质量 信息比特,且 1个下行载波对应的信道质量信息比特数包括 Μ种时,为所述 Μ种比特数分 配的 Ν种资源块个数, 其中, Μ, Ν为大于等于 1的正整数; 或者包含: 小于等于第一最 大值的正整数, 所述第一最大值为所述为 Ν种资源块个数中的最大值; 及
当 ≠1或¥≠1时, 配比值 Χ/Υ对应的资源块个数集合, 其中, 所述配比值 Χ/Υ对应的 资源块个数集合中包含:根据所述 Ν种资源块个数和所述配比值 Χ/Υ映射得到的 L种资源 块个数, 其中 L为大于 1的正整数, 或者, 小于等于第二最大值的正整数, 所述第二最大 值为所述 L种资源块个数中的最大值。
18、 根据权利要求 17所述的方法, 其特征在于, 所述用户设备接收上行调度的控制 信令 UL-gmnt, 获得所述基站根据所述信道质量信息比特和配比值 X/Y对应的资源块个 数集合, 为所述用户设备分配资源块的个数, 包括:
所述用户设备接收上行调度的控制信令 UL-gmnt,所述 UL— grant信令指示重传数据 包的调制编码方式, 有信道质量信息触发请求, 以及所述分配的资源块的个数;
此时, 所述用户设备确定所述分配的资源块的个数是否归属于所述配比值 X/Y对应 的资源块个数集合 ,当确定所述分配的资源块的个数归属于所述配比值 X/Y对应的资源 块个数集合,所述用户设备根据所述基站分配的资源块在上行共享信道上单独传输信道 质量信息给所述基站。
19、 根据权利要求 17所述的方法, 其特征在于, 所述用户设备接收上行调度的控制 信令 UL-gmnt, 获得所述基站根据所述信道质量信息比特和配比值 X/Y对应的资源块个 数集合, 为所述用户设备分配资源块的个数, 包括:
所述用户设备接收上行调度的控制信令 UL-gmnt, 所述 UL— grant信令内对应至少 1 个传输块的指示位指示对应的传输块无效, 以及配置 UL— grant信令以指示有信道质量 信息触发请求, 和所述分配的资源块个数;
此时,所述用户设备根据所述基站分配的资源块个数在所述上行共享信道上单独传 输信道质量信息给所述基站。
20、 根据权利要求 17所述的方法, 其特征在于, 所述用户设备接收上行调度的控制 信令 UL-gmnt, 获得所述基站根据所述信道质量信息比特和配比值 X/Y对应的资源块个 数集合, 为所述用户设备分配资源块的个数, 包括:
所述用户设备接收上行调度的控制信令 UL-gmnt,所述 UL— grant信令指示重传数据 包的调制编码方式, 新数据包指示为初传数据包, 有信道质量信息触发请求, 以及所述 基站分配的资源块个数; 或者, 所述 UL— grant信令指示初传数据包的调制编码方式, 新数据包指示为重传数据包, 有信道质量信息触发请求, 以及所述基站分配的资源块个 数;
此时,所述用户设备根据所述基站分配的资源块个数在所述上行共享信道上单独传 输信道质量信息给所述基站。
21、 根据权利要求 16-20中任一所述的方法, 其特征在于, 所述用户设备根据所述 基站分配的资源块个数, 传输所述信道质量信息给所述基站, 包括:
当所述基站分配的资源块个数无法满足信道质量信息的传输时,所述用户设备将所 述信道质量信息划分为多个数据包,将所述多个数据包通过多个连续的上行子帧传输给 所述基站。
22、 根据权利要求 21所述的方法, 其特征在于, 所述用户设备将所述信道质量信息 划分为多个数据包, 包括:
根据所述信道质量信息比特数,所述用户设备将所述信道质量信息均分为比特数相 同的多个数据包;
或者, 所述用户设备将不同下行载波对应的信道质量信息划分在不同数据包; 或者, 所述用户设备根据信道质量信息的内容, 将内容相同的信道质量信息划分在 同一个数据包。
23、 一种用户设备, 其特征在于, 包括:
接收单元, 当用户设备需要通过 X个上行载波反馈 Y个下行载波对应的信道质量信 息给基站时, 用于接收上行调度的控制信令 UL-gmnt, 获得所述基站根据所述信道质量 信息比特和配比值 X/Y对应的资源块个数集合, 为所述用户设备分配资源块的个数, 其 中, X、 Y为大于等于 1的正整数;
传输单元, 用于根据所述基站分配的资源块, 传输所述信道质量信息给所述基站。
24、 根据权利要求 23所述的用户设备, 其特征在于, 所述用户设备, 还包括: 获取单元, 用于通过高层信令或动态信令从所述基站处获得配比值 X/Y对应的资源 块个数集合, 或者, 通过配比值 X/Y隐性推断获得配比值 X/Y对应的资源块个数集合。
25、 根据权利要求 23所述的用户设备, 其特征在于, 所述接收单元, 包括: 第一接收单元, 用于接收上行调度的控制信令 UL-gmnt, 所述 UL— grant信令指示重 传数据包的调制编码方式, 有信道质量信息触发请求, 以及所述分配的资源块的个数。
此时, 所述用户设备, 还包括:
确定单元, 用于确定所述分配的资源块的个数是否归属于所述配比值 X/Y对应的资 源块个数集合 ,当确定所述分配的资源块的个数是否归属于所述配比值 X/Y对应的资源 块个数集合, 所述传输单元, 用于根据所述基站分配的资源块在上行共享信道上单独传 输信道质量信息给所述基站。
26、 根据权利要求 23所述的用户设备, 其特征在于, 所述接收单元, 包括: 第二接收单元, 用于接收上行调度的控制信令 UL-gmnt, 所述 UL— grant信令内对应 至少 1个传输块的指示位指示对应的传输块无效, 以及配置 UL— grant信令以指示有信道 质量信息触发请求, 和所述分配的资源块个数。
27、 根据权利要求 23所述的用户设备, 其特征在于, 所述接收单元, 包括: 第三接收单元, 用于接收上行调度的控制信令 UL-gmnt, 所述 UL— grant信令指示重 传数据包的调制编码方式, 新数据包指示为初传数据包, 有信道质量信息触发请求, 以 及所述基站分配的资源块个数; 或者, 所述 UL— grant信令指示初传数据包的调制编码 方式, 新数据包指示为重传数据包, 有信道质量信息触发请求, 以及所述基站分配的资 源块个数。
28、 根据权利要求 23-27中任一所述的用户设备, 其特征在于, 所述传输单元, 包 括:
划分子单元, 用于当所述基站分配的资源块个数无法满足信道质量信息的传输时, 将所述信道质量信息划分为多个数据包;
发送子单元, 用于将所述多个数据包通过多个连续的上行子帧传输给所述基站。
29、 根据权利要求 28所述的用户设备, 其特征在于, 所述划分子单元, 包括: 第一划分子单元, 用于根据所述信道质量信息比特数, 所述用户设备将所述信道质 量信息均分为比特数相同的多个数据包;
或者, 第二划分子单元, 用于将不同下行载波对应的信道质量信息划分在不同数据 包;
或者, 第三划分子单元, 用于根据信道质量信息的内容, 将内容相同的信道质量信 息划分在同一个数据包。
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US9887825B2 (en) 2018-02-06
JP6024993B2 (ja) 2016-11-16
CN102130741A (zh) 2011-07-20
JP2015149787A (ja) 2015-08-20
KR101779871B1 (ko) 2017-09-19
US20130250886A1 (en) 2013-09-26
KR20160090917A (ko) 2016-08-01
BR112013011555B1 (pt) 2021-11-09
PT2615876T (pt) 2020-10-29
BR112013011555A2 (pt) 2016-08-09
JP6077591B2 (ja) 2017-02-08
US20160359605A1 (en) 2016-12-08
JP6317480B2 (ja) 2018-04-25
KR101643982B1 (ko) 2016-07-29
JP2017073826A (ja) 2017-04-13
CN102130741B (zh) 2013-09-25
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