WO2017028056A1 - Procédé de détermination de ressource, station de base et équipement d'utilisateur - Google Patents

Procédé de détermination de ressource, station de base et équipement d'utilisateur Download PDF

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Publication number
WO2017028056A1
WO2017028056A1 PCT/CN2015/087093 CN2015087093W WO2017028056A1 WO 2017028056 A1 WO2017028056 A1 WO 2017028056A1 CN 2015087093 W CN2015087093 W CN 2015087093W WO 2017028056 A1 WO2017028056 A1 WO 2017028056A1
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WIPO (PCT)
Prior art keywords
channel
coverage enhancement
enhancement level
transmission
resource
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PCT/CN2015/087093
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English (en)
Chinese (zh)
Inventor
余政
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华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201580074613.2A priority Critical patent/CN107211406A/zh
Priority to PCT/CN2015/087093 priority patent/WO2017028056A1/fr
Publication of WO2017028056A1 publication Critical patent/WO2017028056A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • the embodiments of the present invention relate to the field of communications, and in particular, to a method for determining a resource, a base station, and a user equipment.
  • the Internet of Things refers to the network that realizes the interconnection of people, things, objects and objects by deploying various devices with certain sensing, computing, execution and communication capabilities to acquire information of the physical world and realize information transmission, coordination and processing through the network.
  • the Internet of Things is to achieve the interconnection of people and things, things and things.
  • Possible applications include smart grid, smart agriculture, intelligent transportation, and environmental testing.
  • the 3rd Generation Partnership Project (English name: 3GPP) of the Mobile Communications Standardization Organization is conducting technical research and standard optimization work for the Internet of Things business. Its main research and optimization direction is cost reduction and coverage enhancement.
  • cost reduction the working bandwidth of the terminal device can be reduced.
  • the working bandwidth of the terminal device is 1.4 MHz, which is an important research direction.
  • the coverage enhancement is mainly for the type of machine communication in the basement and other road loss (English full name) :Machine Type Communication, English abbreviation: MTC)
  • MTC Machine Type Communication
  • the device provides coverage enhancement support, so that the devices in the special scenario can access the network to obtain services.
  • the coverage enhancement is provided for user equipments with large path loss in the basement or cell edge.
  • the coverage enhancement support enables the user equipment in the above scenario to access the network for service.
  • Coverage enhancement can be repeated transmission, spread spectrum transmission, retransmission, bundled time interval transmission, narrowband (such as subcarrier scheduling) transmission, ultra narrowband (such as bandwidth is tens of hertz to dozens of kilohertz) transmission, and improved power spectral density transmission. Relax one or more of the demand transmission and the constant attempt to transmit. Signal repetition is one of the ways to achieve coverage enhancement. Under coverage enhancement, it can bring a certain coverage extension, but it may consume more system resources. Therefore, multiple coverage enhancement levels are employed for signal transmission to efficiently utilize system resources.
  • the user equipment (English name: User Equipment, English abbreviation: UE) first uses a random access channel to send a random access preamble. After the UE sends the random access preamble, the base station receives the random access preamble through the random access channel, and then the base station sends a RAR message, specifically, the RAR message. It is transmitted through a physical downlink shared data channel (English name: Physical downlink shared data channel, English abbreviation: PDSCH) scheduled by the physical downlink control channel (English name: Physical Downlink Control Channel, English abbreviation: PDCCH).
  • a physical downlink shared data channel (English name: Physical downlink shared data channel, English abbreviation: PDSCH) scheduled by the physical downlink control channel (English name: Physical Downlink Control Channel, English abbreviation: PDCCH).
  • the UE needs to receive the PDCCH first, and obtain the transport block size (Transport Block Size, English abbreviation: TBS) of the random access response message according to the indication of the control information in the received PDCCH, and then perform random access according to the determined TBS. Response message reception.
  • TBS Transport Block Size, English abbreviation: TBS
  • the coverage enhancement level of the random access response and the time-frequency resource of the random access response are specifically determined, and the above problem cannot be solved in the prior art.
  • the embodiments of the present invention provide a method for determining a resource, a base station, and a user equipment, which are used to determine resources used by a channel carrying a random access response message under coverage enhanced transmission.
  • an embodiment of the present invention provides a method for transmitting information, including:
  • the base station Determining, by the base station, the resource used for the second channel transmission according to the resource used for the first channel transmission, where the resource includes one or more of an coverage enhancement level, a frequency resource, and a time resource;
  • the base station sends the second channel to the user equipment UE on the determined resource used for the second channel transmission.
  • the resource is a coverage enhancement level
  • the base station determines, according to the resource used for the first channel transmission, the resource used for the second channel transmission, including:
  • the base station determines that the coverage enhancement level used for the second channel transmission is level n+m, where m is a predetermined positive integer, and n is a positive integer;
  • the base station determines that the coverage enhancement level used for the second channel transmission is level n+me, where m and e are both a predetermined positive integer, and n is a positive integer.
  • the m is equal to 0, or the m is equal to 1.
  • the resource is An enhancement level
  • the base station determining resources used for the second channel transmission according to the resources used for the first channel transmission, including:
  • the base station determines that the coverage enhancement level of the second channel is a level n-d, wherein the n is a positive integer, and the d is a predetermined positive An integer or the d is a positive integer determined according to a predetermined rule.
  • the d is equal to 0, or the d is equal to 1, or the d is equal to -1.
  • the d is a positive integer determined according to a predetermined rule, including:
  • the base station determines the d by:
  • the S is a predetermined value, or the S is a value determined according to a coverage enhancement level used by the first channel transmission, or the S is a value configured by the base station, where the X is The difference between the performance of the first channel and the performance of the second channel, the performance comprising: a metric parameter reflecting the quality of the channel transmission.
  • the base station sending the second channel to the user equipment UE on the determined resource used for the second channel transmission, including:
  • the coverage enhancement level used by the first channel transmission of the second UE is the same, the coverage enhancement level used by the base station to transmit the second channel of the second UE, and the base station to the first UE
  • the coverage enhancement levels used for the second channel transmission differ by k levels, where k is a positive integer within [-2, 2].
  • the first UE is a low complexity UE, and the first UE reduces a maximum transmit power
  • the method further includes:
  • the resource is a time resource, and the base station receives the first channel on a resource corresponding to each coverage enhancement level of the multiple coverage enhancement levels used for the first channel transmission;
  • the base station Sending, by the base station, the second channel to the user equipment UE on the determined resource used for the second channel transmission, including: the base station being in the multiple coverage enhancement levels within a preset time length Transmitting a second channel on a resource used for the second channel transmission corresponding to each coverage enhancement level;
  • the first channel transmission corresponding to the multiple coverage enhancement levels adopts code division multiplexing, and the base station determines resources used for the second channel transmission corresponding to the j+1th coverage enhancement level of the multiple coverage enhancement levels. After j resources covering the enhancement channel corresponding to the second channel transmission;
  • the resource used for the second channel transmission corresponding to the jth coverage enhancement level is the resource used by the L j transmission opportunities of the second channel under the jth coverage enhancement level, and the L j is the jth coverage enhancement.
  • the first channel transmission corresponding to the N coverage enhancement levels adopts code division multiplexing, in a preset time length
  • the starting subframe subframe i of the second channel corresponding to the first transmission opportunity of the first channel transmission corresponding to the ith coverage enhancement level satisfies the following relationship:
  • Subframe i P + t + (L 1 ⁇ D 1 ) + ... + (L i-1 ⁇ D i-1 ),
  • the L 1 D 1 is a first transmission opportunity corresponding to an enhancement level covering a first channel corresponding to the L a second transmission channel occupied sub-frames
  • the D i-1 L i-1 is a transmission opportunity i-1 are covered with the first enhancement level corresponding to a first channel L i-1 corresponding to the second channel
  • the L i-1 is at a preset time length
  • the number of transmission opportunities of the first channel transmission corresponding to the i-1th coverage enhancement level, wherein i 1, 2, . . . , N, and the N is a positive integer.
  • the first channel is a random access channel
  • the second channel is a channel carrying a random access response message
  • the embodiment of the present invention further provides a method for transmitting information, including:
  • the resource used for the second channel transmission Determining, by the first user equipment, the resource used for the second channel transmission according to the resource used for the first channel transmission, where the resource includes one or more of an coverage enhancement level, a frequency resource, and a time resource;
  • the first UE receives the second channel sent by the base station on the determined resource used for the second channel transmission.
  • the resource is a coverage enhancement level
  • the first user equipment UE determines, according to the resource used for the first channel transmission, the resource used for the second channel transmission.
  • the first UE determines that the coverage enhancement level used for the second channel transmission is level n+m, where The m is a predetermined positive integer, and the n is a positive integer;
  • the first UE determines that the coverage enhancement level used for the second channel transmission is level n+me, where m and e are both a predetermined positive integer, and n is a positive integer.
  • the m is equal to 0, or the m is equal to 1.
  • the resource is a coverage enhancement level
  • the first user equipment UE determines, according to the resource used for the first channel transmission, the resource used for the second channel transmission.
  • the first UE determines that the coverage enhancement level of the second channel is a level n-d, where n is a positive integer, and the d is a predetermined A positive integer or the d is a positive integer determined according to a predetermined rule.
  • the d is equal to 0, or the d is equal to 1, or the d is equal to -1.
  • the d is a positive integer determined according to a predetermined rule, including:
  • the first UE determines the d by:
  • the S is a predetermined value, or the S is a value determined according to a coverage enhancement level used by the first channel transmission, or the S is a value configured by the base station, where the X is a The difference between the performance of a channel and the performance of the second channel, the performance comprising: a metric parameter reflecting the quality of the channel transmission.
  • the resource I in conjunction with the first possible or second possible or third possible or the fourth possible or the fifth possible possible implementation of the second aspect, the resource Is a coverage enhancement level, if the base station needs to send the second channel to the first UE and the second UE, the coverage enhancement level used by the first channel of the first UE and the first channel of the second UE
  • the coverage enhancement level used for transmission is the same, the coverage enhancement level used by the base station for the second channel transmission of the second UE, and the coverage enhancement used by the base station for the second channel transmission of the first UE
  • the levels differ by k levels, and k is a positive integer within [-2, 2].
  • the resource is a time resource
  • the method further includes:
  • the first UE receives, by the first UE, the second channel sent by the base station on the determined resource used for the second channel transmission, including: the first UE is in the preset time length, in the multiple Receiving a second channel on a resource used for a second channel transmission corresponding to each of the coverage enhancement levels;
  • the first channel transmission corresponding to the multiple coverage enhancement levels uses code division multiplexing, and the first UE determines resources used for the second channel transmission corresponding to the j+1th coverage enhancement level of the multiple coverage enhancement levels. After the resource used by the second channel transmission corresponding to the jth coverage enhancement level;
  • the resource used for the second channel transmission corresponding to the jth coverage enhancement level is the resource used by the L j transmission opportunities of the second channel under the jth coverage enhancement level, and the L j is the jth coverage enhancement.
  • the first channel transmission corresponding to the N coverage enhancement levels adopts code division multiplexing, in a preset time length
  • the starting subframe subframe i of the second channel corresponding to the first transmission opportunity of the first channel transmission corresponding to the ith coverage enhancement level satisfies the following relationship:
  • Subframe i P + t + (L 1 ⁇ D 1 ) + ... + (L i-1 ⁇ D i-1 ),
  • the L 1 D 1 is a first transmission opportunity corresponding to an enhancement level covering a first channel corresponding to the L a second transmission channel occupied sub-frames
  • the D i-1 L i-1 is a transmission opportunity i-1 are covered with the first enhancement level corresponding to a first channel L i-1 corresponding to the second channel
  • the L i-1 is at a preset time length
  • the number of transmission opportunities of the first channel transmission corresponding to the i-1th coverage enhancement level, wherein i 1, 2, . . . , N, and the N is a positive integer.
  • the first channel is a random access channel
  • the second channel is a channel that carries a random access response message
  • an embodiment of the present invention further provides a base station, including:
  • a determining module configured to determine, according to resources used for the first channel transmission, resources used for the second channel transmission, where the resources include one or more of an coverage enhancement level, a frequency resource, and a time resource;
  • a sending module configured to send the second channel to the user equipment UE on the determined resource used for the second channel transmission.
  • the resource is a coverage enhancement level
  • the determining module is specifically configured to: if the frame structure type is time division duplex, and the first channel
  • the coverage enhancement level used for transmission is level n
  • the coverage enhancement level used for determining the second channel transmission is level n+m, wherein m is a predetermined positive integer, and n is a positive integer
  • the structure type is frequency division duplexing, and the coverage enhancement level used for the first channel transmission is level n, and the coverage enhancement level used for determining the second channel transmission is level n+me, where the m And the e are both a predetermined positive integer, and the n is a positive integer.
  • the m is equal to 0, or the m is equal to 1.
  • the resource is a coverage enhancement level
  • the determining module is specifically configured to determine, if the coverage enhancement level of the first channel is level n,
  • the coverage enhancement level of the second channel is a level n-d, wherein the n is a positive integer, the d is a predetermined positive integer or the d is a positive integer determined according to a predetermined rule.
  • the d is equal to 0, or the d is equal to 1, or the d is equal to -1.
  • the determining module is further configured to determine the d by:
  • the S is a predetermined value, or the S is a value determined according to a coverage enhancement level used by the first channel transmission, or the S is a value configured by the base station, where the X is The difference between the performance of the first channel and the performance of the second channel, the performance comprising: a metric parameter reflecting the quality of the channel transmission.
  • the resource a coverage enhancement level
  • the sending module is configured to send the second channel to the first UE and the second UE, respectively, on the determined resource used for the second channel transmission
  • the first UE is
  • the coverage enhancement level used for one channel transmission is the same as the coverage enhancement level used by the first channel transmission of the second UE
  • the coverage enhancement level used by the base station for the second channel transmission of the second UE is
  • the coverage enhancement level used by the base station for the second channel transmission of the first UE differs by k levels, wherein the k is a positive integer within [-2, 2].
  • the first UE is a low complexity UE, and the first UE reduces a maximum transmit power
  • the base station further includes: a receiving module, where the resource is a time resource, in multiple coverage enhancement levels used for the first channel transmission Receiving a first channel on each resource corresponding to the coverage enhancement level;
  • the determining module is configured to send a second channel on a resource used for the second channel transmission corresponding to each coverage enhancement level in the preset time length;
  • the first channel transmission corresponding to the multiple coverage enhancement levels adopts code division multiplexing, and the base station determines resources used for the second channel transmission corresponding to the j+1th coverage enhancement level of the multiple coverage enhancement levels. After j resources covering the enhancement channel corresponding to the second channel transmission;
  • the resources used by the second channel transmission corresponding to the jth coverage enhancement level are resources used by the L j transmission opportunities of the second channel under the jth coverage enhancement level, and the L j is at the jth coverage enhancement level.
  • the first channel transmission corresponding to the N coverage enhancement levels adopts code division multiplexing, in a preset time length
  • the starting subframe subframe i of the second channel corresponding to the first transmission opportunity of the first channel transmission corresponding to the ith coverage enhancement level satisfies the following relationship:
  • Subframe i P + t + (L 1 ⁇ D 1 ) + ... + (L i-1 ⁇ D i-1 ),
  • the L 1 D 1 is a first transmission opportunity corresponding to an enhancement level covering a first channel corresponding to the L a second transmission channel occupied sub-frames
  • the D i-1 L i-1 is a transmission opportunity i-1 are covered with the first enhancement level corresponding to a first channel L i-1 corresponding to the second channel
  • the L i-1 is at a preset time length
  • the number of transmission opportunities of the first channel transmission corresponding to the i-1th coverage enhancement level, wherein i 1, 2, . . . , N, and the N is a positive integer.
  • the first channel is a random access channel
  • the second channel is a channel that carries a random access response message
  • the embodiment of the present invention further provides a user equipment, where the user equipment is specifically a first UE, and the first UE includes:
  • a determining module configured to determine, according to resources used for the first channel transmission, resources used for the second channel transmission, where the resources include one or more of an coverage enhancement level, a frequency resource, and a time resource;
  • a receiving module configured to receive the second channel sent by the base station on the determined resource used for the second channel transmission.
  • the resource is a coverage enhancement level
  • the determining module is specifically configured to: if the frame structure type is time division duplex, and the first channel
  • the coverage enhancement level used for transmission is level n
  • the coverage enhancement level used for determining the second channel transmission is level n+m, wherein m is a predetermined positive integer, and n is a positive integer
  • the structure type is frequency division duplexing, and the coverage enhancement level of the first channel is level n
  • the coverage enhancement level used for determining the second channel transmission is level n+me, where the m and the e are both As a predetermined positive integer, the n is a positive integer.
  • the m is equal to 0, or the m is equal to 1.
  • the resource is a coverage enhancement level
  • the determining module is specifically configured to determine, if the coverage enhancement level of the first channel is level n,
  • the coverage enhancement level of the second channel is a level n-d, wherein the n is a positive integer, the d is a predetermined positive integer or the d is a positive integer determined according to a predetermined rule.
  • the d is equal to 0, or the d is equal to 1, or the d is equal to -1.
  • the determining module is further configured to determine the d by:
  • the S is a predetermined value, or the S is a value determined according to a coverage enhancement level used by the first channel transmission, or the S is a value of the base station configuration
  • the X Is the difference between the performance of the first channel and the performance of the second channel, the performance comprising: a metric parameter reflecting the quality of the channel transmission.
  • the resource I in conjunction with the first possible or second possible or third possible or fourth possible or fifth possible possible implementation of the fourth aspect, the resource Is a coverage enhancement level, if the base station needs to send the second channel to the first UE and the second UE, the coverage enhancement level used by the first channel of the first UE and the first channel of the second UE
  • the coverage enhancement level used for transmission is the same, the coverage enhancement level used by the base station for the second channel transmission of the second UE, and the coverage enhancement used by the base station for the second channel transmission of the first UE
  • the levels differ by k levels, and k is a positive integer within [-2, 2].
  • the user equipment further includes: a sending module, where the resource is a time resource, and multiple coverage enhancement levels used in the first channel transmission Transmitting a first channel on a resource corresponding to each coverage enhancement level;
  • the determining module is configured to receive, on a preset time length, a second channel on a resource used for a second channel transmission corresponding to each coverage enhancement level of the multiple coverage enhancement levels;
  • the first channel transmission corresponding to the multiple coverage enhancement levels uses code division multiplexing, and the first UE determines resources used for the second channel transmission corresponding to the j+1th coverage enhancement level of the multiple coverage enhancement levels. After the resource used by the second channel transmission corresponding to the jth coverage enhancement level;
  • the resource used for the second channel transmission corresponding to the jth coverage enhancement level is the resource used by the L j transmission opportunities of the second channel under the jth coverage enhancement level, and the L j is the jth coverage enhancement.
  • the first channel transmission corresponding to the N coverage enhancement levels adopts code division multiplexing, within a preset time length.
  • the starting subframe subframe i of the second channel corresponding to the first transmission opportunity of the first channel transmission corresponding to the ith coverage enhancement level satisfies the following relationship:
  • Subframe i P + t + (L 1 ⁇ D 1 ) + ... + (L i-1 ⁇ D i-1 ),
  • the L 1 D 1 is a first transmission opportunity corresponding to an enhancement level covering a first channel corresponding to the L a second transmission channel occupied sub-frames
  • the D i-1 L i-1 is a transmission opportunity i-1 are covered with the first enhancement level corresponding to a first channel L i-1 corresponding to the second channel
  • the L i-1 is at a preset time length
  • the number of transmission opportunities of the first channel transmission corresponding to the i-1th coverage enhancement level, wherein i 1, 2, . . . , N, and the N is a positive integer.
  • the first channel is a random access channel
  • the second channel is a channel that carries a random access response message
  • the base station first determines the resource used for the second channel transmission according to the resource used for the first channel transmission, where the resource includes one or more of an coverage enhancement level, a frequency resource, and a time resource.
  • the base station then transmits a second channel to the UE on the determined resource for the second channel transmission. Since the base station can determine the resources used for the second channel transmission according to the resources used for the first channel transmission, the problem of determining the resources used for the second channel transmission is solved.
  • the resource described in the embodiment of the present invention includes one or more of an coverage enhancement level, a frequency resource, and a time resource.
  • the coverage enhancement level, the frequency resource, and the time resource used in the second channel transmission may pass the The coverage enhancement level, the frequency resource, and the time resource used for one channel transmission are determined. After the base station determines the resource used for the second channel transmission, the resource used for the second channel transmission may be used for the transmission of the second channel. In the scenario where the coverage enhancement transmission is performed for the random access response, the coverage enhancement level of the random access response may be determined according to the coverage enhancement level adopted by the random access channel.
  • FIG. 1 is a system architecture diagram of a method for determining a resource according to the present invention applied to a communication system
  • FIG. 2 is a schematic block diagram showing a method for determining a resource according to an embodiment of the present invention
  • FIG. 3 is a schematic block diagram of a method for determining a resource according to an embodiment of the present disclosure
  • FIG. 4 is a schematic diagram of an implementation manner of determining a time resource according to a coverage enhancement level of a random access channel according to an embodiment of the present invention
  • FIG. 5-a is a schematic structural diagram of a base station according to an embodiment of the present disclosure.
  • FIG. 5-b is a schematic structural diagram of another base station according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of a first user equipment according to an embodiment of the present disclosure.
  • FIG. 6-b is a schematic structural diagram of another first user equipment according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of another base station according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic structural diagram of another first user equipment according to an embodiment of the present invention.
  • the embodiments of the present invention provide a method for determining a resource, a base station, and a user equipment, which are used to determine resources used by a channel carrying a random access response message under coverage enhanced transmission.
  • the present invention is mainly applied to an LTE system or an advanced long-term evolution (LTE-A, LTE Advanced) system.
  • LTE-A Long-term evolution
  • LTE-A Long-term evolution
  • the present invention can also be applied to other communication systems, for example, Wideband Code Division Multiple Access (WCDMA), Time Division-Synchronous Code Division Multiple Access (TD-SCDMA), and the like.
  • WCDMA Wideband Code Division Multiple Access
  • TD-SCDMA Time Division-Synchronous Code Division Multiple Access
  • the transmission may be transmission or reception. If the transmission of one side device is transmission, the transmission of the other side communication device corresponding to the side device is reception; and vice versa.
  • Cover in the embodiment of the invention Cover enhancement can be repeated transmission, spread spectrum transmission, retransmission, bundle time interval transmission, narrowband (such as subcarrier scheduling) transmission, ultra narrowband (such as bandwidth is tens of hertz to dozens of kilohertz) transmission, improve power spectral density transmission Relax one or more of the demand transmission and the constant attempt to transmit.
  • a low-cost terminal or a low-complexity terminal means that the working bandwidth of the terminal device is smaller than the working bandwidth of the non-low-cost terminal or the non-low-complexity terminal.
  • the working bandwidth may be one or more of processing bandwidth, radio frequency processing bandwidth, and baseband processing bandwidth.
  • FIG. 1 a system architecture diagram of a method for determining a resource according to the present invention is applied to a communication system.
  • a base station (English name Base station) and user equipment (UE, User Equipment) 1 to UE 6 are shown.
  • the transmitting end device, UE1 to UE6, is a receiving end device in the method for transmitting information of the present invention.
  • UE4 to UE6 also form a communication system, in which UE5 can be implemented as a function of a base station, and UE5 can send one or more of system information, RAR message and paging message to UE4 and UE6.
  • UE5 can be implemented as a function of a base station, and UE5 can send one or more of system information, RAR message and paging message to UE4 and UE6.
  • UE4 to UE6 also form a communication system, in which UE5 can be implemented as a function of a base station, and UE5 can send one or more of system information, RAR message and paging message to UE4 and UE6.
  • UE5 can be implemented as a function of a base station, and UE5 can send one or more of system information, RAR message and paging message to UE4 and UE6.
  • RAR message Radio Access
  • paging message paging message
  • An embodiment of the method for determining the resource of the present invention is applicable to determining, by the base station, the resource of the second channel.
  • the method for determining the resource may include the following steps:
  • the base station determines, according to the resource used for the first channel transmission, the resource used for the second channel transmission, where the resource includes one or more of an coverage enhancement level, a frequency resource, and a time resource.
  • the base station determines the resources used by the UE to transmit the first channel, and then uses the resources used for the first channel transmission as a basis to determine the resources used for the second channel transmission.
  • the resource may include one or more of an coverage enhancement level, a frequency resource, and a time resource. For example, determining a coverage enhancement level used for the second channel transmission according to the coverage enhancement level used for the first channel transmission, and determining a frequency resource used for the second channel transmission according to the frequency resource used for the first channel transmission, according to the time used for the first channel transmission. The resource determines the time resource used for the second channel transmission.
  • the first channel is an uplink channel
  • the second channel is a downlink channel
  • resources used for the second channel transmission may be determined according to resources used for transmission of the first channel, for example, the first channel is random.
  • the access channel, the second channel is a channel carrying a random access response message.
  • the first channel and the second channel may also be other channels, as long as the two channels have an uplink and downlink association.
  • the base station uses the resources used for the first channel transmission to determine the resources used for the second channel transmission, and the resource determination used in the second channel transmission in the embodiment of the present invention may be used for different resources. In the scene.
  • the resource is a coverage enhancement level
  • the base station determines, according to the resource used for the first channel transmission, the resource used for the second channel transmission, which includes the following steps:
  • the base station determines that the coverage enhancement level used for the second channel transmission is level n+m, where m is a predetermined positive integer. , n is a positive integer;
  • the base station determines that the coverage enhancement level used for the second channel transmission is level n+me, where m and e are both a pre- A positive integer specified, n is a positive integer.
  • the resource is the coverage enhancement level
  • the frame structure type is time division duplex
  • the frame structure type and the coverage used for the first channel transmission may be used.
  • the level of enhancement is used to determine the level of coverage enhancement used for the second channel transmission.
  • the frame structure type is time division duplex
  • the coverage enhancement level used for the first channel transmission is level n
  • the base station determines that the coverage enhancement level used for the second channel transmission is level n+m. That is, in the case where the frame structure type is time division duplexing, the coverage enhancement level used for the first channel transmission differs from the coverage enhancement level used for the second channel transmission by m levels.
  • the frame structure type and the coverage enhancement level used for the first channel transmission may be used to determine the second channel transmission.
  • Coverage enhancement level For example, the frame structure type is frequency division duplex, and the coverage enhancement level used for the first channel transmission is level n, and the base station determines that the coverage enhancement level used for the second channel transmission is level n+me, that is, the frame structure type is frequency division double.
  • the coverage enhancement level used for the first channel transmission differs from the coverage enhancement level used for the second channel transmission by me levels.
  • m and e are each a predetermined positive integer.
  • e may take a value of 0 in one case, that is, for the frame structure type, time division duplex or frequency division duplex, the first channel transmission There is a difference of m levels between the coverage enhancement level used and the coverage enhancement level used for the second channel transmission.
  • the value of e is also 1, or -1, etc., and the value of e can be determined in combination with a specific application scenario.
  • the coverage enhancement level used for the first channel transmission differs from the coverage enhancement level used for the second channel transmission by m levels.
  • the coverage enhancement level differs from the coverage enhancement level used for the second channel transmission by m-e levels, where the parameter m, m may be equal to 0, or m is equal to 1, or m is equal to -1. If m is equal to 0, then the frame structure type is time division duplex, and the coverage enhancement level used for the first channel transmission is the same as the coverage enhancement level used for the second channel transmission, and thus can be directly determined by the coverage enhancement level used for the first channel transmission.
  • the coverage enhancement level used for the second channel transmission is the same as the coverage enhancement level used for the second channel transmission.
  • the resource is a coverage enhancement level
  • the base station determines, according to the resource used for the first channel transmission, the resource used for the second channel transmission, which includes the following steps:
  • the base station determines that the coverage enhancement level of the second channel is level n-d, where n is a positive integer, d is a predetermined positive integer or d is determined according to a predetermined rule. The positive integer obtained.
  • the base station may determine the coverage enhancement level of the second channel by using a pre-defined manner and a coverage enhancement level of the first channel, for example, pre-configuring a parameter d, and calculating by n-d.
  • the coverage enhancement level of the second channel is derived.
  • d is equal to 0, or d is equal to 1, or d is equal to -1.
  • d is equal to 0 as an example, if the coverage enhancement level of the first channel is n, the coverage enhancement level of the second channel is also n, and if d is equal to 1, the coverage enhancement level of the first channel and the coverage enhancement level of the second channel are There is a difference between the levels, and the base station can thereby determine the coverage enhancement level of the second channel.
  • d is a positive integer determined according to a predetermined rule, including:
  • the base station determines d by:
  • S is a predetermined value, or S is a value determined according to a coverage enhancement level used for transmission of the first channel, or S is a value configured by the base station.
  • X is the difference between the performance of the first channel and the performance of the second channel, the performance including: a metric parameter reflecting the quality of the channel transmission.
  • the performance refers to the metric parameter reflecting the channel transmission quality.
  • the performance can be: maximum link loss, or signal to noise ratio, or signal to interference plus noise ratio, or coverage enhancement level.
  • X may be the difference between the maximum link loss of the first channel and the maximum link loss of the second channel.
  • the base station sends a second channel to the UE on the determined resource used for the second channel transmission.
  • the determined resources used for the second channel transmission may be used for the transmission of the second channel.
  • the base station sends a second channel to the UE on the determined resource used for the second channel transmission.
  • the base station may send the second channel to the UE, and the base station may also send the second channel to the two UEs or more UEs, which is not limited herein. It should be noted that, regardless of whether the base station sends the second channel to several UEs, it is necessary to determine resources used for transmission of each second channel, and the method for determining the resources may be combined with the description in the foregoing embodiment.
  • the resource is a coverage enhancement level
  • the step 202 sends a second channel to the user equipment UE on the determined resource for the second channel transmission, which may include the following steps:
  • the base station sends a second channel to the first UE and the second UE, respectively, on the determined resource used for the second channel transmission, the coverage enhancement level used by the first channel of the first UE, and the first channel transmission of the second UE
  • the coverage enhancement level used is the same, the coverage enhancement level used by the base station for the second channel transmission of the second UE is different from the coverage enhancement level used by the base station for the second channel transmission of the first UE, where k is [ A positive integer within -2,2].
  • the coverage enhancement level used by the first channel of the first UE is the same as the coverage enhancement level used by the first channel of the second UE, that is, the coverage enhancement level used by the base station to obtain the two first channel transmissions is the same, but
  • the coverage enhancement level used by the second channel corresponding to the two UEs determined by the base station may be different.
  • the coverage enhancement level used by the base station for the second channel transmission of the second UE differs from the coverage enhancement level used by the base station for the second channel transmission of the first UE by k levels, k is within [-2, 2]
  • the value of k can be determined in combination with the application scenario.
  • the first UE is a low complexity UE and the first UE reduces the maximum transmit power
  • the first UE is a low complexity UE and the first UE does not reduce the maximum transmit power
  • the value of k can be determined whether the first UE and the second UE are low complexity UEs and whether the low complexity UE reduces the maximum transmit power.
  • the method for determining a resource provided by the embodiment of the present invention may further include the following steps:
  • the resource is a time resource, and the base station receives the first channel on each resource corresponding to each coverage enhancement level among the multiple coverage enhancement levels used for the first channel transmission.
  • the step 202 sends, by the base station, the second channel to the UE on the determined resource used for the second channel transmission, including: the base station, in each of the multiple coverage enhancement levels, within a preset time length. Transmitting a second channel on a resource used for the second channel transmission corresponding to the enhancement level;
  • the first channel transmission corresponding to the multiple coverage enhancement levels adopts code division multiplexing, and the base station determines that the resources used for the second channel transmission corresponding to the j+1th coverage enhancement level of the multiple coverage enhancement levels correspond to the jth coverage enhancement level. After or before the resources used for the second channel transmission;
  • the resource used for the second channel transmission corresponding to the jth coverage enhancement level is the resource used by the L j transmission opportunities of the second channel under the jth coverage enhancement level, and L j is under the jth coverage enhancement level.
  • the coverage enhancement level is a coverage enhancement level of the first channel.
  • the resources used for the second channel transmission may be derived based on the coverage enhancement level of the first channel.
  • the base station receives the first channel on each resource corresponding to the coverage enhancement level in the multiple coverage enhancement levels used for the first channel transmission, and the base station may determine each of the multiple coverage enhancement levels.
  • the resource used for the first channel transmission corresponding to the enhancement level is covered, and the base station determines the time resource used for the second channel transmission according to the time resource used for the first channel transmission.
  • the resource used for the second channel transmission corresponds to each of the plurality of coverage enhancement levels. If the first channel transmission corresponding to the multiple coverage enhancement levels uses code division multiplexing, the code division multiplexing refers to determining the multiple coverage enhancement levels by using different codes, or using different sequences, or using different preambles.
  • the resources used for the second channel transmission corresponding to the j+1 coverage enhancement levels are after the resources used for the second channel transmission corresponding to the jth coverage enhancement level. That is, the resources used for the second channel transmission corresponding to the two adjacent coverage enhancement levels of the multiple coverage enhancement levels are time division multiplexing, and the j+1th coverage enhancement level is adjacent to the jth coverage enhancement level, and multiple coverage enhancements are performed.
  • the resource used for the second channel transmission corresponding to the j+1th coverage enhancement level in the level is after the resource used for the second channel transmission corresponding to the jth coverage enhancement level.
  • L j is the number of transmission opportunities of the first channel included in the preset time length under the jth coverage enhancement level.
  • the resources used by the L j transmission opportunities of the second channel are resources used for transmission of the L j second channels corresponding to the jth coverage enhancement level in a time division multiplexing manner.
  • the start time resource in the time resource used for the second channel transmission may be determined in the following manner.
  • the first channel transmission corresponding to the N coverage enhancement levels is code division multiplexed, and the second channel corresponding to the first transmission opportunity corresponding to the first channel transmission corresponding to the ith coverage enhancement level is within a preset time length.
  • the initial subframe i satisfies the following relationship:
  • Subframe i P + t + (L 1 ⁇ D 1 ) + ... + (L i-1 ⁇ D i-1 ),
  • t is a predetermined positive integer
  • P is preset subframe index
  • D 1 is the first one to cover a second reinforcing L L channel transmission opportunity to a transmission of a first channel corresponding to the level corresponding to the sub-frames occupied
  • D i-1 L i-1 is a second sub-frames occupied channels
  • L i-1 transmission opportunity i-1 are covered with a first level of enhancement corresponding to a first channel corresponding to
  • L 1 Is the number of transmission opportunities of the first channel transmission corresponding to the first coverage enhancement level within a preset time length
  • L i-1 is the number corresponding to the i-1th coverage enhancement level within a preset time length.
  • the starting subframe of the second channel corresponding to the h+1th transmission opportunity of the first channel transmission corresponding to the ith coverage enhancement level may be the hth channel of the first channel transmission corresponding to the ith coverage enhancement level.
  • the terminating subframe of the second channel corresponding to the transmission opportunity has a fixed time offset, and h is an integer.
  • the base station may calculate a starting subframe subframe i of the second channel corresponding to the first transmission opportunity of the first channel transmission corresponding to the ith coverage enhancement level. Therefore, the starting subframe of the second channel corresponding to the first transmission opportunity of the first channel transmission corresponding to each coverage enhancement level can be calculated by referring to the above formula, so that the time resource used for the second channel transmission can be determined.
  • the value of the start time resource, t and P can be determined by a specific application scenario, which is not limited herein.
  • the first channel transmission corresponding to the multiple coverage enhancement levels uses frequency division multiplexing, and the base station determines that resources used for the second channel transmission corresponding to the multiple coverage enhancement levels are frequency division multiplexed.
  • the first channel transmission corresponding to the multiple coverage enhancement levels adopts time division multiplexing, and the base station determines that resources used for the second channel transmission corresponding to the multiple coverage enhancement levels are time division multiplexed.
  • the first channel transmission corresponding to the multiple coverage enhancement levels adopts code division multiplexing, and the base station determines that the resources used for the second channel transmission corresponding to the multiple coverage enhancement levels are frequency division multiplexing and/or time division multiplexing.
  • the base station first determines the resources used for the second channel transmission according to the resources used for the first channel transmission.
  • the resource includes one or more of an coverage enhancement level, a frequency resource, and a time resource.
  • the base station then transmits a second channel to the UE on the determined resource for the second channel transmission. Since the base station can determine the resources used for the second channel transmission according to the resources used for the first channel transmission, the problem of determining the resources used for the second channel transmission is solved.
  • the resource described in the embodiment of the present invention includes one or more of an coverage enhancement level, a frequency resource, and a time resource.
  • the coverage enhancement level, the frequency resource, and the time resource used in the second channel transmission may pass the The coverage enhancement level, frequency resource, and time resource used for one channel transmission are determined. After the base station determines the resources used for the second channel transmission, the resources used for the second channel transmission can be used for the transmission of the second channel. In the scenario where the coverage enhancement transmission is performed for the random access response, the coverage enhancement level of the random access response may be determined according to the coverage enhancement level adopted by the random access channel.
  • the method for determining the resource is described from the base station side.
  • the method for determining the resource provided by the present invention is described from the peer (user equipment) side of the base station.
  • the method for determining the provided resources may include the following steps:
  • the first UE determines, according to resources used for the first channel transmission, resources used for the second channel transmission, where the resources include one or more of an coverage enhancement level, a frequency resource, and a time resource.
  • the first UE determines the resources used for the first channel transmission, and then determines the resources used for the second channel transmission based on the resources used for the first channel transmission.
  • the resource may include one or more of an coverage enhancement level, a frequency resource, and a time resource. For example, determining a coverage enhancement level used for the second channel transmission according to the coverage enhancement level used for the first channel transmission, determining a resource used for the second channel transmission according to the frequency resource used for the first channel transmission, and using the time resource used for the first channel transmission. The time resource used for the second channel transmission is determined.
  • the first channel is an uplink channel
  • the second channel is a downlink channel
  • resources used for the second channel transmission may be determined according to resources used for the first channel transmission.
  • the first channel is a random access channel and the second channel is a channel carrying a random access response message.
  • the first channel and the second channel may also be other channels, as long as the two channels have an uplink and downlink association.
  • the resource is a coverage enhancement level
  • the step 301 determines, by the first UE, the resource used for the second channel transmission according to the resource used for the first channel transmission, including:
  • the coverage enhancement level used for the first channel transmission is a level n
  • the coverage enhancement level used by the first UE to determine the second channel transmission is level n+m, where m is a predetermined positive integer and n is a positive integer;
  • the first UE determines that the coverage enhancement level used for the second channel transmission is level n+me, where m and e are both a pre- A positive integer specified, n is a positive integer.
  • the frame structure type is time division duplex
  • the coverage enhancement level used for the second channel transmission may be determined by the frame structure type and the coverage enhancement level used for the first channel transmission.
  • the frame structure type is time division duplex
  • the coverage enhancement level used for the first channel transmission is level n
  • the UE determines that the coverage enhancement level used for the second channel transmission is level n+m, that is, the frame structure type is time division duplex.
  • the coverage enhancement level used for the first channel transmission differs from the coverage enhancement level used for the second channel transmission by m levels.
  • the frame structure type is frequency division duplexing
  • the coverage enhancement level used for the second channel transmission can be determined by the frame structure type and the coverage enhancement level used for the first channel transmission.
  • the frame structure type is frequency division duplexing
  • the coverage enhancement level used for the first channel transmission is level n
  • the UE determines that the coverage enhancement level used for the second channel transmission is level n+me, that is, the frame structure type is frequency division double.
  • the coverage enhancement level used for the first channel transmission differs from the coverage enhancement level used for the second channel transmission by me levels.
  • m and e are each a predetermined positive integer.
  • e may take a value of 0 in one case, that is, for the frame structure type, time division duplex or frequency division duplex, the first channel transmission There is a difference of m levels between the coverage enhancement level used and the coverage enhancement level used for the second channel transmission.
  • the value of e is also 1, or -1, etc., and the value of e can be determined in combination with a specific application scenario.
  • the coverage enhancement level used for the first channel transmission differs from the coverage enhancement level used for the second channel transmission by m levels.
  • the coverage enhancement level used for the first channel transmission differs from the coverage enhancement level used for the second channel transmission by m-e levels, wherein the parameter m, m may be equal to 0, or m is equal to 1. If m is equal to 0, then the frame structure type is time division duplex, and the coverage enhancement level used for the first channel transmission is the same as the coverage enhancement level used for the second channel transmission, and thus can be directly determined by the coverage enhancement level used for the first channel transmission.
  • the coverage enhancement level used for the second channel transmission is the same as the coverage enhancement level used for the second channel transmission.
  • the resource is a coverage enhancement level
  • the step 301 determines, by the first UE, the resource used for the second channel transmission according to the resource used for the first channel transmission, including:
  • the first UE determines coverage enhancement of the second channel
  • the rank is the rank n-d, where n is a positive integer, d is a predetermined positive integer or d is a positive integer determined according to a predetermined rule.
  • the first UE may determine the coverage enhancement level of the second channel by using a pre-defined manner and a coverage enhancement level of the first channel. For example, a parameter d is pre-configured, and the coverage enhancement level of the second channel is calculated by n-d.
  • d is equal to 0, or d is equal to 1, or d is equal to -1.
  • d is equal to 0 as an example, if the coverage enhancement level of the first channel is n, the coverage enhancement level of the second channel is also n, and if d is equal to 1, the coverage enhancement level of the first channel and the coverage enhancement level of the second channel are There is a difference between the levels, and the first UE can thereby determine the coverage enhancement level of the second channel.
  • d is a positive integer determined according to a predetermined rule, including:
  • the first UE determines d by:
  • S is a predetermined value, or S is a value determined according to a coverage enhancement level used for transmission of the first channel, or S is a value configured by the base station.
  • X is the difference between the performance of the first channel and the performance of the second channel, the performance including: a metric parameter reflecting the quality of the channel transmission.
  • the performance refers to a metric parameter reflecting the channel transmission quality, for example, the performance may be: maximum link loss, or signal to noise ratio, or signal to interference and noise ratio, or coverage enhancement level.
  • X may be the difference between the maximum link loss of the first channel and the maximum link loss of the second channel.
  • the first UE receives the second channel sent by the base station on the determined resource used for the second channel transmission.
  • the resources used for the determined second channel transmission may perform the second channel.
  • the base station may send the second channel to the UE, for example, the base station sends the second channel to the first UE, and the base station may also send the second channel to the two UEs or more, which is not limited herein. It should be noted that, regardless of whether the base station sends the second channel to several UEs, each UE needs to determine.
  • the resources used for each second channel transmission, the method for determining the resources may be combined with the description in the foregoing embodiments.
  • the resource is a coverage enhancement level
  • the coverage enhancement level used by the first channel of the first UE and the second UE are used.
  • the coverage enhancement level used by the first channel transmission is the same, and the coverage enhancement level used by the base station for the second channel transmission of the second UE is different from the coverage enhancement level used by the base station for the second channel transmission of the first UE, k is a positive integer within [-2, 2].
  • the coverage enhancement level used by the first channel of the first UE is the same as the coverage enhancement level used by the first channel of the second UE, but the coverage enhancement level used by the second channel corresponding to the two UEs may not be the same.
  • the coverage enhancement level used by the base station for the second channel transmission of the second UE differs from the coverage enhancement level used by the base station for the second channel transmission of the first UE by k levels, k is within [-2, 2]
  • the value of k can be determined in combination with the application scenario.
  • the first UE is a low complexity UE and the first UE reduces the maximum transmit power
  • the first UE is a low complexity UE and the first UE does not reduce the maximum transmit power
  • the value of k may be determined whether the first UE and the second UE are low complexity UEs and whether the low complexity UE reduces the maximum transmit power.
  • the resource is a time resource
  • the method for determining the amount of resources provided by the embodiment of the present invention further includes the following steps:
  • the first UE receives the second channel sent by the base station on the determined resource used for the second channel transmission, including: each coverage enhancement of the first UE in multiple coverage enhancement levels. Receiving a second channel on a resource used for the second channel transmission corresponding to the level;
  • the first channel transmission corresponding to the multiple coverage enhancement levels adopts code division multiplexing, and the first UE determines multiple
  • the resource used for the second channel transmission corresponding to the j+1th coverage enhancement level in the coverage enhancement level is after the resource used for the second channel transmission corresponding to the jth coverage enhancement level;
  • the resource used for the second channel transmission corresponding to the jth coverage enhancement level is the resource used by the L j transmission opportunities of the second channel under the jth coverage enhancement level, and L j is under the jth coverage enhancement level.
  • the resource is a time resource
  • the UE sends the first channel on a time frequency used by each of the multiple coverage enhancement levels used for the first channel transmission to cover the first channel corresponding to the enhancement level.
  • the UE may determine a time resource used by the second channel transmission corresponding to each of the plurality of coverage enhancement levels. If the first channel transmission corresponding to the multiple coverage enhancement levels uses code division multiplexing, the UE determines that the resources used for the second channel transmission corresponding to the j+1th coverage enhancement level of the multiple coverage enhancement levels are at the jth coverage enhancement level. After the corresponding second channel is transmitted using the resources. That is, the resources used for the second channel transmission corresponding to the two adjacent coverage enhancement levels of the multiple coverage enhancement levels are time division multiplexing.
  • the j+1th coverage enhancement level is adjacent to the jth coverage enhancement level, and the resources used for the second channel transmission corresponding to the j+1th coverage enhancement level of the multiple coverage enhancement levels are corresponding to the jth coverage enhancement level.
  • L j is the number of transmission opportunities of the first channel included in the preset time length under the jth coverage enhancement level.
  • the resources used by the L j transmission opportunities of the second channel are the resources used for the L j second channel transmissions corresponding to the jth coverage enhancement level.
  • the resources used by the L j transmission opportunities of the second channel are time division multiplexed.
  • the start time resource in the time resource used for the second channel transmission may be determined by using the code division multiplexing in the first channel transmission corresponding to the N coverage enhancement levels.
  • the starting subframe subframe i of the second channel corresponding to the first transmission opportunity of the first channel transmission corresponding to the ith coverage enhancement level satisfies the following relationship:
  • Subframe i P + t + (L 1 ⁇ D 1 ) + ... + (L i-1 ⁇ D i-1 ),
  • t is a predetermined positive integer
  • P is preset subframe index
  • D 1 is the first one to cover a second reinforcing L L channel transmission opportunity to a transmission of a first channel corresponding to the level corresponding to the sub-frames occupied
  • D i-1 L i-1 is a second sub-frames occupied channels
  • L i-1 transmission opportunity i-1 are covered with a first level of enhancement corresponding to a first channel corresponding to
  • L 1 Is the number of transmission opportunities of the first channel transmission corresponding to the first coverage enhancement level within a preset time length
  • L i-1 is the number corresponding to the i-1th coverage enhancement level within a preset time length.
  • the starting subframe of the second channel corresponding to the h+1th transmission opportunity of the first channel transmission corresponding to the ith coverage enhancement level may be the hth transmission opportunity of the first channel transmission corresponding to the ith coverage enhancement level
  • the terminating subframe of the corresponding second channel has a fixed time offset. h is an integer.
  • the UE may calculate the starting subframe subframe i of the second channel corresponding to the first transmission opportunity of the first channel transmission corresponding to the ith coverage enhancement level, and therefore, for each coverage enhancement level
  • the starting subframe of the second channel corresponding to the first transmission opportunity of one channel transmission can be calculated by referring to the above formula, so that the starting time resource, the values of t and P in the time resource used for the second channel transmission can be determined. It can be determined by a specific application scenario, which is not limited herein.
  • the first channel transmission corresponding to the multiple coverage enhancement levels uses frequency division multiplexing, and the UE determines that resources used for the second channel transmission corresponding to the multiple coverage enhancement levels are frequency division multiplexed.
  • the first channel transmission corresponding to the multiple coverage enhancement levels adopts time division multiplexing, and the UE determines that resources used for the second channel transmission corresponding to the multiple coverage enhancement levels are time division multiplexed.
  • the first channel transmission corresponding to the multiple coverage enhancement levels adopts code division multiplexing
  • the UE determines that the resources used for the second channel transmission corresponding to the multiple coverage enhancement levels adopt frequency division multiplexing and/or time division multiplexing.
  • the first UE first determines the resource used for the second channel transmission according to the resource used for the first channel transmission, where the resource includes one or more of the coverage enhancement level, the frequency resource, and the time resource.
  • the first UE then receives the second channel transmitted by the base station on the determined resource used for the second channel transmission. Since the first UE can determine the resources used for the second channel transmission according to the resources used for the first channel transmission, the problem of determining the resources used for the second channel transmission is solved, and the resources described in the embodiments of the present invention include coverage enhancement.
  • One or more of a level, a frequency resource, and a time resource, so the coverage enhancement level, the frequency resource, and the time resource used for the second channel transmission may be used for the coverage enhancement level, the frequency resource, and the time used for the first channel transmission.
  • Resources to determine After the first UE determines the resources used for the second channel transmission, the second channel is received on the resources used for the second channel transmission.
  • the coverage enhancement level of the random access response may be determined according to the coverage enhancement level adopted by the random access channel.
  • the coverage enhancement level of the random access response message is determined according to the coverage enhancement level corresponding to the random access channel resource set, and the frequency resource of the random access response message is determined according to the random access channel resource set, and the random access is performed.
  • the start time resource of the response message is determined according to a random access channel resource set.
  • the random access response message is a control channel for scheduling a random access response message, or a channel carrying a random access response, or a channel responsive to a random access channel.
  • the random access response message may be an enhanced physical downlink control channel, or a physical downlink control channel for machine type communication, or a physical downlink control channel.
  • the random access channel may be a physical random access channel.
  • the performance of the random access channel itself (such as the maximum connection loss) is different from the performance of the random access response message. If the UE adopts a single receiving antenna and/or the bandwidth of the received signal is within a very narrow frequency resource (such as several physical resource blocks or several subcarriers), it will bring coverage loss to the transmission of the downlink signal. If the UE's maximum transmit power is low (eg, 20 dBm), it will bring coverage loss to the transmission of the uplink signal. Because the random access response message is a downlink signal, the PRACH is an uplink signal, so that the transmission performance of the random access channel and the random access response message are made in consideration of factors such as a single receiving antenna, a bandwidth of the received signal, and a maximum transmit power of the UE. The difference between transmission performance is more complicated. In the embodiment of the present invention, the coverage enhancement level of the random access response message is determined according to the coverage enhancement level corresponding to the random access channel resource set.
  • the set of random access channel resources of different coverage enhancement levels may adopt one or more of frequency division multiplexing, time division multiplexing, and code division multiplexing (ie, preamble sequence multiplexing).
  • the set of random access channel resources of different coverage enhancement levels adopts frequency division multiplexing (or time division multiplexing, or code division multiplexing)
  • the random coverage channel resources of different coverage enhancement levels are randomly selected for each coverage enhancement level.
  • the resources of the access response message may be frequency division multiplexed, or time division multiplexed, or code division multiplexed.
  • a simple method may be used to conveniently determine a frequency resource and/or a start time resource of a random access response message according to a random access channel resource set.
  • the coverage enhancement level of the second channel is determined according to the coverage enhancement level of the first channel.
  • the first channel is the upstream channel and the first channel is the downstream channel.
  • the first channel is a random access channel and the second channel is a channel carrying a random access response message.
  • the random access response message is a control channel for scheduling a random access response message, or a channel carrying a random access response, or a channel responsive to a random access channel.
  • the random access response message may be an enhanced physical downlink control channel, or a physical downlink control channel for machine type communication, or a physical downlink control channel.
  • the random access channel may be a physical random access channel.
  • the coverage enhancement level of the second channel is determined according to a coverage enhancement level of the first channel and a performance difference between the performance of the first channel and the performance of the second channel.
  • the performance difference between the performance of the first channel and the performance of the second channel is related to the frame structure.
  • the frame structure type is frequency division duplexing
  • the performance difference between the performance of the first channel and the performance of the second channel is A dB.
  • the performance may be a maximum link loss or a signal to noise ratio or a signal to interference and noise ratio or a coverage enhancement value.
  • the frame structure type is time division duplexing, and the performance difference between the performance of the first channel and the performance of the second channel is B dB. A is not equal to B.
  • the coverage loss caused by the downlink cost reduction technology is U dB
  • the coverage loss caused by the uplink cost reduction technology is V dB.
  • the performance difference between the performance of the first channel and the performance of the second channel is (A-U+V) dB.
  • the performance difference between the performance of the first channel and the performance of the second channel is (B-U + V) dB.
  • the downlink coverage loss due to the receipt of the RF chain (or single receive antenna) is C dB.
  • the loss due to the reduction of bandwidth from S1MHz to S2MHz is D dB.
  • the loss from a single receive RF chain and bandwidth down from S1MHz to S2MHz is E dB.
  • the uplink coverage loss due to the reduction in uplink power is F dB.
  • Y is equal to A
  • Y is equal to B.
  • Y is equal to A
  • Y is equal to B
  • the above X is related to whether the uplink transmit power of the UE is reduced.
  • X may be independent of whether the uplink transmit power of the UE is reduced.
  • X is equal to the value of X calculated when the uplink transmit power of the UE is not lowered or the value of X calculated when the uplink transmit power of the UE is decreased.
  • the first parameter is determined, and a level difference between the coverage enhancement level of the second channel and the coverage enhancement level of the first channel is determined according to the relationship between the X and the first parameter preset.
  • the first parameter may be a predetermined parameter value, or the first parameter is determined according to a coverage enhancement level or a random access channel coverage enhancement level, or the first parameter is configured by the system.
  • the first parameter is the difference of the reference signal received power corresponding to each coverage enhancement level, or the first parameter is the difference of the path loss corresponding to each coverage enhancement level, or the first parameter is the coverage enhancement level corresponding to each coverage enhancement level.
  • the size of the first parameter is represented by S.
  • the level difference between the coverage enhancement level of the second channel and the coverage enhancement level of the first channel is denoted by d. That is, if the coverage enhancement level of the first channel is n, the coverage enhancement level of the second channel is n-d. In the present invention, for one channel, the number of repetitions used by the channel when the coverage enhancement level is low is less than the number of repetitions used by the channel when the coverage level is high.
  • One way to determine d is to satisfy a particular inequality based on the known X and S.
  • a specific inequality is:
  • the coverage enhancement level of the second channel is determined according to the coverage enhancement level of the first channel, the performance of the first channel, and the performance of the second channel.
  • the performance of the first channel is M1 and the performance of the second channel is M2.
  • the coverage loss caused by the downlink cost reduction technology is U dB
  • the coverage loss caused by the uplink cost reduction technique is V dB.
  • the performance of the first channel is M1-V
  • the performance of the second channel is M2-U.
  • the uplink transmit power of the UE is not reduced, the performance of the first channel is unchanged. If the UE is uplinking The transmit power (eg, relative to 23 dBm) is reduced by F dB: its first channel performance is (M1-F) dB.
  • the performance is (M2-C) dB. If the downlink channel is only affected by the downlink coverage loss caused by the bandwidth reduction, the performance is (M2-D) dB. If the downlink channel is affected by the downlink coverage loss caused by the single-received RF chain and bandwidth reduction, the performance is (M2-E) dB.
  • One way to determine d is to satisfy a particular inequality based on the known X and S.
  • a specific inequality is:
  • the coverage enhancement level of the second channel is determined according to the coverage enhancement level of the first channel and a predetermined specification.
  • the coverage enhancement level of the second channel is n+1, and for the frequency division duplex system, the coverage enhancement level of the second channel is n. or,
  • the coverage enhancement level of the second channel is n
  • the coverage enhancement level of the second channel is n-1.
  • the coverage enhancement level of the second channel is n+m
  • the coverage enhancement level of the second channel is n+m-1, where m is a predetermined value.
  • the coverage enhancement level of the second channel is n, or n-1, or n+1.
  • the coverage enhancement level of the second channel may also be determined according to the UE type.
  • the coverage enhancement level of the second channel of the first UE is m
  • the coverage enhancement level of the second channel of the first UE may be determined according to any of the foregoing methods.
  • the coverage enhancement level of the second UE may be determined according to a coverage enhancement level of the second channel of the first UE, or may be determined according to any one of the foregoing methods.
  • the first UE is a low complexity UE and the second UE is a non-low complexity UE.
  • the resources of the random access response message are frequency division multiplexed or time division multiplexed.
  • the resources of the random access response message may be system configured using frequency division multiplexing or time division multiplexing. For example, if the system configures different frequency resources for the random access response messages of two different coverage enhancement levels, the resources of the random access response messages indicating the two different coverage enhancement levels are frequency division multiplexed. For example, if the system configures the same frequency resource for two random coverage response messages of different coverage enhancement levels, the resources of the random access response messages of the two different coverage enhancement levels are time division multiplexed.
  • the system uses one bit to indicate whether the resource of the random access response message uses frequency division multiplexing or time division multiplexing.
  • the multiplexing manner of the resources of the different levels of the random access response message is fixed. For example, if the random access channel resources of different coverage enhancement levels adopt code division multiplexing, the resources of the random access response message are time division multiplexed.
  • the following figure shows a specific method for determining the time resource of the random access response message.
  • the coverage access enhancement level b may be specified because the random access response message resource corresponding to the random access channel covering the enhancement level a and the random access response message resource corresponding to the random access channel covering the enhancement level b are time division multiplexed.
  • the random access response message resource corresponding to the random access channel opportunity is after the L random access response message resources corresponding to the L random access channel opportunities of the enhanced level a.
  • the random access response message resource corresponding to one random access channel opportunity of the coverage enhancement level b may be specified before the L random access response message resources corresponding to the L random access channel opportunities of the enhanced level a.
  • FIG. 4 is a schematic diagram of an implementation manner of determining a time resource according to a coverage enhancement level of a random access channel according to a random access channel according to an embodiment of the present invention, and illustrating different coverage enhancement levels.
  • the random access channel resource adopts code division multiplexing, and when the resource of the random access response message adopts time division multiplexing, the time chart of the time resource of the random access response message is determined.
  • FIG. 4 is a schematic diagram of an implementation manner of determining a time resource according to a coverage enhancement level of a random access channel according to a random access channel according to an embodiment of the present invention, and illustrating different coverage enhancement levels.
  • the random access channel resource adopts code division multiplexing, and when the resource of the random access response message adopts time division multiplexing, the time chart of the time resource of the random access response message is determined.
  • the time resource determined by a random access channel opportunity corresponding to the random access coverage enhancement level 1 is: The machine accesses a random access response message corresponding to a random access channel opportunity of the channel level 1, and the time resource determined by a random access channel opportunity corresponding to the random access coverage enhancement level 1 is: another random access channel level 1 a random access response message corresponding to a random access channel opportunity, and a time resource determined by a random access channel opportunity corresponding to the random access coverage enhancement level 2 is: a random access channel opportunity corresponding to the random access channel level 2 Random access response message, random access response message corresponding to one random access channel opportunity of random access channel level 1, random access response message corresponding to another random access channel opportunity of random access channel level 1, random The random access response messages corresponding to one random access channel opportunity of the access channel level 2 occupy different times in time.
  • a random access channel with a total of b coverage enhancement levels adopts code division multiplexing, and a specific time length may be b code division multiplexed random accesses.
  • the foregoing description of the present invention shows that the random access channel resource sets of different coverage enhancement levels adopt a hybrid multiplexing mode (ie, a combination of frequency division multiplexing, time division multiplexing, and code division multiplexing), according to random access.
  • the channel resource determines that there are many mappings for the resources of the corresponding random access response message.
  • the present invention considers a reasonable connection between the random access channel resource and the resource of the corresponding random access response message, thereby simplifying the resource for determining the corresponding random access response message according to the random access channel resource.
  • the PRACH is an uplink signal, so that the transmission performance of the random access channel and the random access response are made in consideration of factors such as a single receiving antenna, a bandwidth of the received signal, and a maximum transmission power of the UE.
  • the difference between the transmission performance of messages is more complicated.
  • the present invention proposes that the specific algorithm solves the problem of determining the random access response according to the coverage enhancement level corresponding to the random access channel resource set. The coverage of the message is enhanced by the level of the issue.
  • a base station 500 may include: a determining module 501, a sending module 502, where
  • a determining module 501 configured to determine, according to resources used for the first channel transmission, resources used for the second channel transmission, where the resources include one or more of an coverage enhancement level, a frequency resource, and a time resource;
  • the sending module 502 is configured to send the second channel to the user equipment UE on the determined resource used for the second channel transmission.
  • the resource is a coverage enhancement level
  • the determining module 501 is specifically configured to: if the frame structure type is time division duplexing, and the coverage enhancement level used by the first channel transmission is level n Determining that the coverage enhancement level used for the second channel transmission is a level n+m, wherein the m is a predetermined positive integer, and the n is a positive integer; if the frame structure type is frequency division duplexing, and The coverage enhancement level used for the first channel transmission is level n, and the coverage enhancement level used for determining the second channel transmission is level n+me, wherein the m and the e are both a predetermined positive integer. , the n is a positive integer.
  • the m is equal to zero, or the m is equal to one.
  • the resource is a coverage enhancement level
  • the determining module 501 is specifically configured to determine a coverage enhancement level of the second channel if a coverage enhancement level of the first channel is a level n Is a level n-d, where n is a positive integer, the d is a predetermined positive integer or the d is a positive integer determined according to a predetermined rule.
  • the d is equal to 0, or the d is equal to 1, or the d is equal to -1.
  • the determining module 501 is further configured to determine the d by:
  • the S is a predetermined value, or the S is a value determined according to a coverage enhancement level used by the first channel transmission, or the S is a value configured by the base station, X is the difference between the performance of the first channel and the performance of the second channel, the performance including: a metric parameter reflecting the quality of the channel transmission.
  • the resource is a coverage enhancement level
  • the sending module 502 is specifically configured to send, to the first UE and the second UE, respectively, on the determined resource used for the second channel transmission.
  • the second channel, the coverage enhancement level used by the first channel of the first UE is the same as the coverage enhancement level used by the first channel of the second UE, and the base station is for the second
  • the coverage enhancement level used by the UE for the second channel transmission differs from the coverage enhancement level used by the base station for the second channel transmission of the first UE by k levels, where k is [-2, 2] A positive integer inside.
  • the first UE is a low complexity UE and the first UE decreases a maximum transmit power
  • the base station 500 further includes: a receiving module 503, wherein the resource is a time resource, and multiple coverage enhancements used in the first channel transmission Receiving a first channel on a resource corresponding to each coverage enhancement level in the level;
  • the determining module 501 is specifically configured to send, on a preset time length, a second channel on a resource used by the second channel transmission corresponding to each of the multiple coverage enhancement levels;
  • the first channel transmission corresponding to the multiple coverage enhancement levels adopts code division multiplexing, and the base station determines resources used for the second channel transmission corresponding to the j+1th coverage enhancement level of the multiple coverage enhancement levels. After j resources covering the enhancement channel corresponding to the second channel transmission;
  • the resources used by the second channel transmission corresponding to the jth coverage enhancement level are resources used by the L j transmission opportunities of the second channel under the jth coverage enhancement level, and the L j is at the jth coverage enhancement level.
  • the first channel transmission corresponding to the N coverage enhancement levels adopts code division multiplexing, and the first one of the first channel transmission corresponding to the ith coverage enhancement level is within a preset time length.
  • the starting subframe subframe i of the second channel corresponding to the transmission opportunity satisfies the following relationship:
  • Subframe i P + t + (L 1 ⁇ D 1 ) + ... + (L i-1 ⁇ D i-1 ),
  • the L 1 D 1 is a first transmission opportunity corresponding to an enhancement level covering a first channel corresponding to the L a second transmission channel occupied sub-frames
  • the D i-1 L i-1 is a transmission opportunity i-1 are covered with the first enhancement level corresponding to a first channel L i-1 corresponding to the second channel
  • the L i-1 is at a preset time length
  • the number of transmission opportunities of the first channel transmission corresponding to the i-1th coverage enhancement level, wherein i 1, 2, . . . , N, and the N is a positive integer.
  • the first channel is a random access channel and the second channel is a channel carrying a random access response message.
  • the base station first determines, according to the resources used for the first channel transmission, the resources used for the second channel transmission, where the resources include one or more of coverage enhancement level, frequency resource, and time resource.
  • the base station then transmits a second channel to the UE on the determined resource for the second channel transmission.
  • the base station can determine the resource used for the second channel transmission according to the resource used for the first channel transmission, thereby solving the problem of determining the resource used for the second channel transmission, and the resource in the embodiment of the present invention includes the coverage enhancement level, One or more of the frequency resource and the time resource, so the coverage enhancement level, the frequency resource, and the time resource used in the second channel transmission may all be used by the coverage enhancement level, the frequency resource, and the time resource used for the first channel transmission. It is determined that after the base station determines the resources used for the second channel transmission, the resources used for the second channel transmission may be used for the transmission of the second channel. In the scenario where the coverage enhancement transmission is performed for the random access response, the coverage enhancement level of the random access response may be determined according to the coverage enhancement level adopted by the random access channel.
  • a user equipment is provided in the embodiment of the present invention.
  • the user equipment is specifically a first UE, and the first UE 600 includes: a determining module 601 and a receiving module 602.
  • a determining module 601 configured to determine, according to resources used for the first channel transmission, resources used for the second channel transmission, where the resources include one or more of an coverage enhancement level, a frequency resource, and a time resource;
  • the receiving module 602 is configured to receive the second channel sent by the base station on the determined resource used for the second channel transmission.
  • the resource is a coverage enhancement level
  • the determining module 601 is specifically configured to: if the frame structure type is time division duplexing, and the coverage enhancement level used by the first channel transmission is level n Determining, by the second channel, that the coverage enhancement level is a level n+m, wherein the m is a predetermined positive integer, and the n is a positive integer; if the frame structure type is frequency division duplex, And the coverage enhancement level of the first channel is level n, and the coverage enhancement level used for determining the second channel transmission is level n+me, where the m and the e are each a predetermined positive integer.
  • the n is a positive integer.
  • the m is equal to zero, or the m is equal to one.
  • the resource is a coverage enhancement level
  • the determining module 601 is specifically configured to determine a coverage enhancement level of the second channel if a coverage enhancement level of the first channel is a level n Is a level n-d, where n is a positive integer, the d is a predetermined positive integer or the d is a positive integer determined according to a predetermined rule.
  • the d is equal to 0, or the d is equal to 1, or the d is equal to -1.
  • the determining module 601 is further configured to determine the d by:
  • the S is a predetermined value, or the S is a value determined according to a coverage enhancement level used by the first channel transmission, or the S is a value configured by the base station.
  • the X is the difference between the performance of the first channel and the performance of the second channel, the performance comprising: a metric parameter reflecting the quality of the channel transmission.
  • the resource is a coverage enhancement level
  • the coverage enhancement level is the same as the coverage enhancement level used by the second channel of the second UE
  • the coverage enhancement level used by the base station for the second channel transmission of the second UE is the same as the base station
  • the coverage enhancement level used for the second channel transmission of a UE differs by k levels, and k is a positive integer within [-2, 2].
  • the first UE is a low complexity UE and the first UE decreases a maximum transmit power
  • the user equipment 600 further includes: a sending module 603, where the resource is a time resource, and multiple coverages used for transmission on the first channel Transmitting a first channel on a resource corresponding to each coverage enhancement level in the enhancement level;
  • the determining module 601 is specifically configured to receive, on a preset time length, a second channel on a resource used by the second channel transmission corresponding to each coverage enhancement level of the multiple coverage enhancement levels;
  • the first channel transmission corresponding to the multiple coverage enhancement levels uses code division multiplexing, and the first UE determines resources used for the second channel transmission corresponding to the j+1th coverage enhancement level of the multiple coverage enhancement levels. After the resource used by the second channel transmission corresponding to the jth coverage enhancement level;
  • the resource used for the second channel transmission corresponding to the jth coverage enhancement level is the resource used by the L j transmission opportunities of the second channel under the jth coverage enhancement level, and the L j is the jth coverage enhancement.
  • the first channel transmission corresponding to the N coverage enhancement levels adopts code division multiplexing, and the first one of the first channel transmission corresponding to the ith coverage enhancement level is within a preset time length.
  • the starting subframe subframe i of the second channel corresponding to the transmission opportunity satisfies the following relationship:
  • Subframe i P + t + (L 1 ⁇ D 1 ) + ... + (L i-1 ⁇ D i-1 ),
  • the L 1 D 1 is a first transmission opportunity corresponding to an enhancement level covering a first channel corresponding to the L a second transmission channel occupied sub-frames
  • the D i-1 L i-1 is a transmission opportunity i-1 are covered with the first enhancement level corresponding to a first channel L i-1 corresponding to the second channel
  • the L i-1 is at a preset time length
  • the number of transmission opportunities of the first channel transmission corresponding to the i-1th coverage enhancement level, wherein i 1, 2, . . . , N, and the N is a positive integer.
  • the first channel is a random access channel and the second channel is a channel carrying a random access response message.
  • the first UE first determines the resource used for the second channel transmission according to the resource used for the first channel transmission, where the resource includes one or more of the coverage enhancement level, the frequency resource, and the time resource. Then, the first UE receives the second channel sent by the base station on the determined resource used for the second channel transmission. Since the first UE can determine the resources used for the second channel transmission according to the resources used for the first channel transmission, the problem of determining the resources used for the second channel transmission is solved, and the resources described in the embodiments of the present invention include coverage enhancement.
  • the coverage enhancement level, the frequency resource, and the time resource used in the second channel transmission may be determined by using the coverage enhancement level, the frequency resource, and the time resource used in the first channel transmission, After a UE determines the resources used for the second channel transmission, the resources used for the second channel transmission may be used for the transmission of the second channel.
  • the coverage enhancement level of the random access response may be determined according to the coverage enhancement level adopted by the random access channel.
  • the embodiment of the present invention further provides a computer storage medium, wherein the computer storage medium stores a program, and the program executes some or all of the steps described in the foregoing method embodiments.
  • the base station 700 includes:
  • the input device 701, the output device 702, the processor 703, and the memory 704 (wherein the number of processors 703 in the base station 700 may be one or more, and one processor in FIG. 7 is taken as an example).
  • the input device 701, the output device 702, the processor 703, and the memory 704 may be connected by a bus or other means, wherein the bus connection is taken as an example in FIG.
  • the processor 703 is configured to perform the foregoing method for transmitting information implemented by the base station side. Specifically, the processor 703 is configured to perform the following steps:
  • the resource is a coverage enhancement level
  • the processor 703 is configured to perform the following steps:
  • the frame structure type is time division duplexing, and the coverage enhancement level used for the first channel transmission is level n, determining that the coverage enhancement level used for the second channel transmission is level n+m, wherein the m is a a predetermined positive integer, the n being a positive integer;
  • the frame structure type is frequency division duplexing
  • the coverage enhancement level used for the first channel transmission is level n
  • determining that the coverage enhancement level used for the second channel transmission is level n+me, where the m and The e is a predetermined positive integer, and the n is a positive integer.
  • the m is equal to zero, or the m is equal to one.
  • the resource is a coverage enhancement level
  • the processor 703 is configured to perform the following steps:
  • the coverage enhancement level of the first channel is level n
  • determining that the coverage enhancement level of the second channel is a level n-d, wherein the n is a positive integer, and the d is a predetermined positive integer or The d is a positive integer determined according to a predetermined rule.
  • the d is equal to 0, or the d is equal to 1, or the d is equal to -1.
  • the processor 703 is further configured to perform the following steps:
  • the d is determined by:
  • the S is a predetermined value, or the S is a value determined according to a coverage enhancement level used by the first channel transmission, or the S is a value configured by the base station, where the X is The difference between the performance of the first channel and the performance of the second channel, the performance comprising: a metric parameter reflecting the quality of the channel transmission.
  • the processor 703 is further configured to perform the following steps:
  • the resource is a coverage enhancement level
  • the second channel is sent to the first UE and the second UE, respectively, on the determined resources used for the second channel transmission, where the first channel is used for the first channel transmission.
  • the coverage enhancement level is the same as the coverage enhancement level used by the second channel of the second UE, and the coverage enhancement level used for the second channel transmission of the second UE is the same as the base station.
  • the coverage enhancement levels used by the UE for the second channel transmission differ by k levels, where k is a positive integer within [-2, 2].
  • the first UE is a low complexity UE and the first UE decreases a maximum transmit power
  • the processor 703 is further configured to perform the following steps:
  • the resource is a time resource, each of a plurality of coverage enhancement levels used in the first channel transmission Receiving a first channel on a resource corresponding to a coverage enhancement level;
  • the first channel transmission corresponding to the multiple coverage enhancement levels adopts code division multiplexing, and the base station determines resources used for the second channel transmission corresponding to the j+1th coverage enhancement level of the multiple coverage enhancement levels. After j resources covering the enhancement channel corresponding to the second channel transmission;
  • the resource used for the second channel transmission corresponding to the jth coverage enhancement level is the resource used by the L j transmission opportunities of the second channel under the jth coverage enhancement level, and the L j is the jth coverage enhancement.
  • the first channel transmission corresponding to the N coverage enhancement levels adopts code division multiplexing, and the first one of the first channel transmission corresponding to the ith coverage enhancement level is within a preset time length.
  • the starting subframe subframe i of the second channel corresponding to the transmission opportunity satisfies the following relationship:
  • Subframe i P + t + (L 1 ⁇ D 1 ) + ... + (L i-1 ⁇ D i-1 ),
  • the L 1 D 1 is a first transmission opportunity corresponding to an enhancement level covering a first channel corresponding to the L a second transmission channel occupied sub-frames
  • the D i-1 L i-1 is a transmission opportunity i-1 are covered with the first enhancement level corresponding to a first channel L i-1 corresponding to the second channel
  • the L i-1 is at a preset time length
  • the number of transmission opportunities of the first channel transmission corresponding to the i-1th coverage enhancement level, wherein i 1, 2, . . . , N, and the N is a positive integer.
  • the first channel is a random access channel and the second channel is a channel carrying a random access response message.
  • the base station first determines, according to the resources used for the first channel transmission, the resources used for the second channel transmission, where the resources include one or more of coverage enhancement level, frequency resource, and time resource.
  • the base station then transmits a second channel to the UE on the determined resource for the second channel transmission.
  • the base station can determine the resource used for the second channel transmission according to the resource used for the first channel transmission, thereby solving the problem of determining the resource used for the second channel transmission, and the resource in the embodiment of the present invention includes the coverage enhancement level, One or more of the frequency resource and the time resource, so the coverage enhancement level, the frequency resource, and the time resource used in the second channel transmission may all be used by the coverage enhancement level, the frequency resource, and the time resource used for the first channel transmission. OK, base station After the resources used for the second channel transmission are determined, the resources used for the second channel transmission can be used for the transmission of the second channel. In the scenario where the coverage enhancement transmission is performed for the random access response, the coverage enhancement level of the random access response may be determined according to the coverage enhancement level adopted by the random access channel.
  • the user equipment 800 includes:
  • the input device 801, the output device 802, the processor 803, and the memory 804 (wherein the number of processors 803 in the first user device 800 may be one or more, and one processor in FIG. 8 is taken as an example).
  • the input device 801, the output device 802, the processor 803, and the memory 804 may be connected by a bus or other means, wherein the bus connection is taken as an example in FIG.
  • the processor 803 is configured to perform the foregoing method for transmitting information implemented by the user equipment side. Specifically, the processor 803 is configured to perform the following steps:
  • the processor 803 is specifically configured to perform the following steps:
  • the resource is a coverage enhancement level. If the frame structure type is time division duplexing, and the coverage enhancement level used for the first channel transmission is level n, determining that the coverage enhancement level used for the second channel transmission is level n+m Wherein m is a predetermined positive integer, and n is a positive integer;
  • the coverage enhancement level of the first channel is level n
  • determining that the coverage enhancement level used for the second channel transmission is level n+me, where the m and the e is a predetermined positive integer, and n is a positive integer.
  • the m is equal to zero, or the m is equal to one.
  • the processor 803 is specifically configured to perform the following steps:
  • the resource is a coverage enhancement level, and if the coverage enhancement level of the first channel is level n, determining that the coverage enhancement level of the second channel is a level n-d, wherein the n is a positive integer, the d It is a predetermined positive integer or the d is a positive integer determined according to a predetermined rule.
  • the d is equal to 0, or the d is equal to 1, or the d is equal to -1.
  • the processor 803 is further configured to perform the following steps:
  • the d is determined by:
  • the S is a predetermined value, or the S is a value determined according to a coverage enhancement level used by the first channel transmission, or the S is a value configured by the base station, where the X is a The difference between the performance of a channel and the performance of the second channel, the performance comprising: a metric parameter reflecting the quality of the channel transmission.
  • the resource is a coverage enhancement level
  • the coverage enhancement level is the same as the coverage enhancement level used by the second channel of the second UE
  • the coverage enhancement level used by the base station for the second channel transmission of the second UE is the same as the base station
  • the coverage enhancement level used for the second channel transmission of a UE differs by k levels, and k is a positive integer within [-2, 2].
  • the first UE is a low complexity UE and the first UE decreases a maximum transmit power
  • the processor 803 is further configured to perform the following steps:
  • the resource is a time resource, and the first channel is sent on a resource corresponding to each coverage enhancement level of the multiple coverage enhancement levels used for the first channel transmission;
  • the first channel transmission corresponding to the multiple coverage enhancement levels uses code division multiplexing, and the first UE determines resources used for the second channel transmission corresponding to the j+1th coverage enhancement level of the multiple coverage enhancement levels. After the resource used by the second channel transmission corresponding to the jth coverage enhancement level;
  • the resource used for the second channel transmission corresponding to the jth coverage enhancement level is the resource used by the L j transmission opportunities of the second channel under the jth coverage enhancement level, and the L j is the jth coverage enhancement.
  • the first channel transmission corresponding to the N coverage enhancement levels adopts code division multiplexing, and the first one of the first channel transmission corresponding to the ith coverage enhancement level is within a preset time length.
  • the starting subframe subframe i of the second channel corresponding to the transmission opportunity satisfies the following relationship:
  • Subframe i P + t + (L 1 ⁇ D 1 ) + ... + (L i-1 ⁇ D i-1 ),
  • the L 1 D 1 is a first transmission opportunity corresponding to an enhancement level covering a first channel corresponding to the L a second transmission channel occupied sub-frames
  • the D i-1 L i-1 is a transmission opportunity i-1 are covered with the first enhancement level corresponding to a first channel L i-1 corresponding to the second channel
  • the L i-1 is at a preset time length
  • the number of transmission opportunities of the first channel transmission corresponding to the i-1th coverage enhancement level, wherein i 1, 2, . . . , N, and the N is a positive integer.
  • the processor 703 is further configured to perform the following steps:
  • the first channel is a random access channel
  • the second channel is a channel carrying a random access response message.
  • the first UE first determines the resource used for the second channel transmission according to the resource used for the first channel transmission, where the resource includes one or more of the coverage enhancement level, the frequency resource, and the time resource. Then, the first UE receives the second channel sent by the base station on the determined resource used for the second channel transmission. Since the first UE can determine the resources used for the second channel transmission according to the resources used for the first channel transmission, the problem of determining the resources used for the second channel transmission is solved, and the resources described in the embodiments of the present invention include coverage enhancement.
  • One or more of a level, a frequency resource, and a time resource so the coverage enhancement level, the frequency resource, and the time resource used for the second channel transmission may be used for the coverage enhancement level, the frequency resource, and the time used for the first channel transmission.
  • the resource determines that after the first UE determines the resource used for the second channel transmission, the resource used for the second channel transmission may be used for the transmission of the second channel.
  • the coverage enhancement level of the random access response may be determined according to the coverage enhancement level adopted by the random access channel.
  • the device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be Physical units can be located in one place or distributed to multiple network elements. Some or all of the modules can be selected according to actual needs. The purpose of the solution of this embodiment.
  • the connection relationship between the modules indicates that there is a communication connection between them, and specifically, one or more communication buses or signal lines can be realized.
  • the present invention can be implemented by means of software plus necessary general hardware, and of course, dedicated hardware, dedicated CPU, dedicated memory, dedicated memory, Special components and so on.
  • functions performed by computer programs can be easily implemented with the corresponding hardware, and the specific hardware structure used to implement the same function can be various, such as analog circuits, digital circuits, or dedicated circuits. Circuits, etc.
  • software program implementation is a better implementation in more cases.
  • the technical solution of the present invention which is essential or contributes to the prior art, can be embodied in the form of a software product stored in a readable storage medium, such as a floppy disk of a computer.
  • U disk mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), disk or optical disk, etc., including a number of instructions to make a computer device (may be A personal computer, server, or network device, etc.) performs the methods described in various embodiments of the present invention.
  • a computer device may be A personal computer, server, or network device, etc.

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Abstract

L'invention concerne un procédé de détermination de ressource, une station de base et un équipement d'utilisateur. Un procédé de transmission d'informations comprend : en fonction de ressources utilisées pour la transmission d'un premier canal, la détermination par une station de base de ressources utilisées pour la transmission d'un second canal, les ressources comprenant un ou plusieurs niveaux d'amélioration de couverture, des ressources de fréquences et des ressources de temps ; l'envoi par la station de base du second canal à un équipement d'utilisateur (UE) sur les ressources déterminées utilisées pour la transmission du second canal.
PCT/CN2015/087093 2015-08-14 2015-08-14 Procédé de détermination de ressource, station de base et équipement d'utilisateur WO2017028056A1 (fr)

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PCT/CN2015/087093 WO2017028056A1 (fr) 2015-08-14 2015-08-14 Procédé de détermination de ressource, station de base et équipement d'utilisateur

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
WO2019061350A1 (fr) * 2017-09-29 2019-04-04 Oppo广东移动通信有限公司 Procédé et dispositif de communication sans fil

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101841913A (zh) * 2009-03-16 2010-09-22 大唐移动通信设备有限公司 确定ue监听的下行成员载波的方法和基站
CN102265697A (zh) * 2011-06-10 2011-11-30 华为技术有限公司 实现异网络共存的通信方法、设备及系统
US20120218935A1 (en) * 2009-11-05 2012-08-30 China Academy Of Telecommunications Technology Method, system and device for transmitting uplink feedback information
CN103959878A (zh) * 2013-09-26 2014-07-30 华为技术有限公司 用户设备覆盖增强资源的分配方法、基站和用户设备
CN103986566A (zh) * 2014-05-29 2014-08-13 上海华为技术有限公司 一种上行数据的发送方法、基站、用户设备及通信网络
US20140355496A1 (en) * 2005-08-24 2014-12-04 Nvidia Corporation Apparatus and method for communicating signaling information

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140355496A1 (en) * 2005-08-24 2014-12-04 Nvidia Corporation Apparatus and method for communicating signaling information
CN101841913A (zh) * 2009-03-16 2010-09-22 大唐移动通信设备有限公司 确定ue监听的下行成员载波的方法和基站
US20120218935A1 (en) * 2009-11-05 2012-08-30 China Academy Of Telecommunications Technology Method, system and device for transmitting uplink feedback information
CN102265697A (zh) * 2011-06-10 2011-11-30 华为技术有限公司 实现异网络共存的通信方法、设备及系统
CN103959878A (zh) * 2013-09-26 2014-07-30 华为技术有限公司 用户设备覆盖增强资源的分配方法、基站和用户设备
CN103986566A (zh) * 2014-05-29 2014-08-13 上海华为技术有限公司 一种上行数据的发送方法、基站、用户设备及通信网络

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ALCATEL -LUCENT ET AL.: "COVERAGE ENHANCEMENT TECHNIQUES FOR PRACH", 3GPP TSG-RAN WG1 MEETING #74BIS, 11 October 2013 (2013-10-11), XP050717393 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019061350A1 (fr) * 2017-09-29 2019-04-04 Oppo广东移动通信有限公司 Procédé et dispositif de communication sans fil

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