WO2015042951A1 - 信息传输方法、基站和用户设备 - Google Patents
信息传输方法、基站和用户设备 Download PDFInfo
- Publication number
- WO2015042951A1 WO2015042951A1 PCT/CN2013/084709 CN2013084709W WO2015042951A1 WO 2015042951 A1 WO2015042951 A1 WO 2015042951A1 CN 2013084709 W CN2013084709 W CN 2013084709W WO 2015042951 A1 WO2015042951 A1 WO 2015042951A1
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- WO
- WIPO (PCT)
- Prior art keywords
- cell
- user equipment
- common control
- control channel
- notification message
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 128
- 230000005540 biological transmission Effects 0.000 title claims abstract description 56
- 238000001228 spectrum Methods 0.000 claims abstract description 191
- 238000001514 detection method Methods 0.000 claims description 168
- 230000011664 signaling Effects 0.000 claims description 93
- 238000005259 measurement Methods 0.000 claims description 92
- 239000000725 suspension Substances 0.000 claims description 58
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 230000004913 activation Effects 0.000 description 41
- 238000010586 diagram Methods 0.000 description 24
- 230000006870 function Effects 0.000 description 21
- 230000002776 aggregation Effects 0.000 description 6
- 238000004220 aggregation Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 230000000737 periodic effect Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 101150071746 Pbsn gene Proteins 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
- H04W68/02—Arrangements for increasing efficiency of notification or paging channel
- H04W68/025—Indirect paging
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
- H04W74/006—Transmission of channel access control information in the downlink, i.e. towards the terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0806—Configuration setting for initial configuration or provisioning, e.g. plug-and-play
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/14—Spectrum sharing arrangements between different networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
Definitions
- the present invention relates to the field of communications, and more particularly to an information transmission method, a base station, and a user equipment. Background technique
- the spectrum is the basis of wireless communication.
- LTE Long Term Long
- WiFi Wireless Fidelity
- the LTE system can use the shared spectrum in the form of a cell configuration.
- how to properly use the shared spectrum in the form of a cell configuration is an urgent problem to be solved. Summary of the invention
- the embodiment of the invention provides an information transmission method, a base station and a user equipment, which can use the shared spectrum reasonably in the form of cell configuration.
- the first aspect provides an information transmission method, including: generating a first notification message, where the first notification message is used to indicate that the user equipment in the user equipment set detects the common control channel of the first cell on the first cell; And transmitting, by the second cell, the first notification message to the user equipment in the user equipment set; sending, by the first cell, the common control channel to the user equipment in the user equipment set.
- the method before the sending, by the second cell, the first notification message to the user equipment in the user equipment set, the method further includes: determining the first A cell is in a usable state.
- the method further includes: in the first cell The pre-occupation signal is sent on.
- the determining that the first cell is in a usable state comprises: performing energy detection and/or Through signal analysis, it is determined that the first cell is in a usable state.
- the method further includes: receiving, by the first user equipment in the user equipment set, a interception report message that is sent when the first cell is in a usable state according to energy detection and/or signal analysis; The first cell is in a usable state, including: determining, according to the interception report message, that the first cell is in a usable state.
- the user equipment is configured by the second cell Before the user equipment sends the first notification message, the method further includes: determining, by using the first cell, to send service data to a user equipment in the user equipment set; sending, in the user equipment in the user equipment set, the After the common control channel, the method further includes: transmitting, by the first cell, the service data to the user equipment in the user equipment set.
- the common control channel includes a synchronization channel, and determining When the synchronization performance of the user equipment in the user equipment set cannot meet the synchronization requirement, the method further includes: generating a second notification message, where the second notification message is used to indicate that the user equipment in the user equipment set is on the first cell Detecting the synchronization channel of the first cell; transmitting, by the second cell, the second notification message to the user equipment in the user equipment set; and transmitting, by the first cell, the synchronization channel to the user equipment in the user equipment set.
- the common control information update carried by the common control channel The method further includes: generating a third notification message, the third notification message is used to indicate that the user equipment in the user equipment set detects the updated public control channel on the first cell, and the updated public
- the control channel is configured to carry the updated public control information; the third cell sends the third notification message to the user equipment in the user equipment set; and sends, by using the first cell, the user equipment in the user equipment set The updated common control channel.
- the sending to the user equipment in the user equipment set The common control channel includes: periodically sending the common control channel to the user equipment in the user equipment set; the method further includes: determining that the first cell is occupied by another device, generating an abort detection message, where the suspension detection message is used Instructing the user equipment in the user equipment set to abort detecting the common control channel, and transmitting the suspension detection message to the user equipment in the user equipment set by the second cell.
- the method further includes: determining that the first cell is in a usable state; generating a fourth notification message, the fourth notification message is used to indicate that the user equipment in the user equipment set detects the common control of the first cell on the first cell And transmitting, by the second cell, the fourth notification message to the user equipment in the user equipment set; and transmitting, by the first cell, the common control channel to the user equipment in the user equipment set.
- the first notification message includes Information required for the common control channel.
- the common control channel includes a synchronization channel, a physical broadcast A channel, a common control channel carrying a system information block, and at least one of a common control channel carrying a reference signal for performing measurement.
- the first The bearer is carried and carried in the common search space of the second cell; or the first notification message is carried by the physical layer signaling and is carried in the user equipment specific search space in the user equipment set.
- the The user equipment in the set sends the first notification message to the user equipment in the user equipment set by using the spectrum corresponding to the second cell, where the spectrum corresponding to the second cell is an authorized spectrum. And transmitting the common control channel to the user equipment in the user equipment set by the first cell, including: transmitting, by using the spectrum corresponding to the first cell, the common control channel to the user equipment in the user equipment set.
- the spectrum corresponding to the first cell is an unlicensed spectrum.
- a second aspect provides an information transmission method, where the method includes: receiving a first notification message sent by a base station on a second cell, where the first notification message is used to indicate that the first cell detects the common control of the first cell.
- Channel determining, based on the first notification message, that the common control channel needs to be detected on the first cell; detecting the common control channel on the first cell.
- the receiving, by the receiving base station, the first notification message that is sent by the second cell includes: receiving, when the base station determines that the first cell is in a usable state, The first notification message sent.
- the method before the receiving the first notification message sent by the base station on the second cell, the method further includes: Energy detection and/or signal analysis, determining that the first cell is in a usable state; generating a listening report message, the interception report message is used by the base station to determine that the first cell is in a usable state; and sending the interception to the base station Report a message.
- the method further includes: receiving the base station on the first cell Business data sent.
- the method further includes: receiving the base station in the a second notification message sent by the second cell, where the second notification message is sent by the base station when determining that the synchronization performance of the user equipment cannot meet the synchronization requirement, and is used to indicate that the first cell is detected on the first cell.
- the synchronization channel ; detecting the synchronization channel of the first cell on the first cell based on the second notification message.
- the method further includes: receiving the base station in the a third notification message sent by the second cell, where the third notification message is sent by the base station when determining that the common control information of the common control channel is updated, and is used to indicate that the first cell is detected on the first cell.
- the updated common control channel is used to carry the updated common control information; and the updated common control channel is detected on the first cell based on the third notification message.
- the detecting the public control on the first cell includes: periodically detecting the common control channel on the first cell; receiving a suspension detection message sent by the base station on the second cell, where the suspension detection message is that the base station determines that the first cell is other And detecting, by the device when the device is occupied, the abort detecting the common control channel; and detecting, on the first cell, the detecting the common control channel.
- the seventh possible implementation in the second aspect In the current mode, after the detecting the common control channel on the first 'area, the method further includes: receiving a fourth notification message sent by the base station when determining that the first cell is in a usable state, the fourth notification The message is used to indicate that the common control channel of the first cell is detected on the first cell; and the common control channel is periodically detected on the first cell based on the fourth notification message.
- the first notification message is carried in the demodulation Information required by the common control channel; the determining needs to detect the common control channel on the first cell, comprising: determining that information needed to demodulate the common control channel needs to be detected on the first cell The common control channel; detecting the common control channel on the first cell, comprising: detecting the common control channel on the first cell based on the information required for demodulating the common control channel.
- the detecting the common control on the first cell includes: detecting the common control channel on the first cell by using blind detection.
- the common control channel includes a synchronization channel, a physical broadcast channel And a common control channel carrying a system information block and at least one of a common control channel carrying a reference signal for performing measurement.
- the method further includes: performing channel state information CSI measurement and/or radio resource management RRM measurement according to the reference signal used to perform the measurement.
- the first notification message is sent by the physical layer
- the bearer is carried and carried in the common search space of the second cell; or the first notification message is carried by the physical layer signaling and is carried in the search space specific to the user equipment.
- the receiving base station sends the second cell
- the first notification message includes: receiving, by the base station, the first notification message that is sent by the second cell to the spectrum corresponding to the second cell, where the spectrum corresponding to the second cell is an authorized spectrum; and/or, the determining needs to be at the first Detecting the common control channel on the cell includes: determining a spectrum that needs to be corresponding to the first cell Detecting the common control channel, and detecting the common control channel on the first cell, comprising: detecting the common control channel on a spectrum corresponding to the first cell, where the spectrum corresponding to the first cell is an unlicensed spectrum .
- a base station including: a generating unit, configured to generate a first notification message, where the first notification message is used to indicate that the user equipment in the user equipment set detects the public of the first cell on the first cell a control unit, configured to send, by the second cell, the first notification message generated by the generating unit to the user equipment in the user equipment set; the sending unit is further configured to collect the user equipment by using the first cell The user equipment in the middle transmits the common control channel.
- the first determining unit is configured to: before the sending unit sends the first notification message to the user equipment in the user equipment set by using the second cell, It is determined that the first cell is in a usable state.
- the sending unit is further configured to: after the first determining unit determines that the first cell is in a usable state And transmitting a pre-occupied signal on the first cell.
- the base station further includes a receiving unit, where the first determining unit is specifically configured to: The signal received by the receiving unit performs energy detection and/or through signal analysis to determine that the first cell is in a usable state.
- the base station further includes: a receiving unit, configured to receive the first one of the user equipment sets The user equipment determines, according to the energy detection and/or the signal analysis, the interception report message that is sent when the first cell is in the usable state; the first determining unit is specifically configured to: determine, according to the interception report message received by the receiving unit, The first cell is in a usable state.
- the base station further includes a second determining unit, where The second determining unit is specifically configured to: before the sending unit sends the first notification message to the user equipment in the user equipment set by using the second cell, determining that the sending unit needs to be in the user equipment set by using the first cell
- the user equipment sends the service data.
- the sending unit is further configured to: after the public control channel is sent to the user equipment in the user equipment set, send the service data to the user equipment in the user equipment set by using the first cell.
- the base station further includes a third determining unit, configured to: determine, when the common control channel includes the synchronization channel, the user equipment in the user equipment set Whether the synchronization performance can meet the synchronization requirement; the generating unit is further configured to: when the third determining unit determines that the synchronization performance of the user equipment in the user equipment set cannot meet the synchronization requirement, generate a second notification message, the second notification The message is used to indicate that the user equipment in the user equipment set detects the synchronization channel of the first cell on the first cell; the sending unit is further configured to: send, by using the second cell, a user equipment in the user equipment set The second notification message generated by the generating unit, and the synchronization channel is sent by the first cell to the user equipment in the user equipment set.
- a third determining unit configured to: determine, when the common control channel includes the synchronization channel, the user equipment in the user equipment set Whether the synchronization performance can meet the synchronization requirement
- the generating unit is further configured to: when the third determining
- the base station further includes a fourth determining unit, where The fourth determining unit is configured to: determine a common control information update carried by the common control channel; the generating unit is further configured to: after the fourth determining unit determines that the common control information carried by the common control channel is updated, generate a third notification a message, the third notification message is used to indicate that the user equipment in the user equipment set detects the updated common control channel of the first cell on the first cell, and the updated common control channel is used to carry the update.
- the sending unit is further configured to: send, by the second cell, the third notification message generated by the generating unit to the user equipment in the user equipment set, and send the third notification message to the user by using the first cell
- the user equipment in the equipment set sends the updated public control channel.
- the sending unit is specifically configured to: periodically: to the user equipment The user equipment in the set sends the common control channel.
- the generating unit is further configured to: when the first determining unit determines that the first cell is occupied by another device, generate a suspension detection message, where the suspension detection message is used to indicate that the user equipment in the user equipment set stops detecting the common control channel;
- the sending unit is further configured to: send, by using the second cell, the suspension detection message to the user equipment in the user equipment set.
- the generating unit is further configured to: after the sending unit sends the suspension detection message, and in the first determining After determining that the first cell is in a usable state, the unit generates a fourth notification message, where the fourth notification message is used to indicate that the user equipment in the user equipment set detects the common control channel of the first cell on the first area.
- the sending unit is further configured to: send the generated by the generating unit And a fourth notification message, and the first cell periodically sends the common control channel to the user equipment in the user equipment set.
- the first notification message that is generated by the generating unit includes Information needed to demodulate the common control channel.
- the common control channel includes a synchronization channel, a physical broadcast A channel, a common control channel carrying a system information block, and at least one of a common control channel carrying a reference signal for performing measurement.
- the first notification message is by a physical layer
- the bearer is carried and carried in the common search space of the second cell; or the first notification message is carried by the physical layer signaling and is carried in the user equipment specific search space in the user equipment set.
- the sending unit is specifically configured to: And transmitting, by the user equipment in the user equipment set, the first notification message generated by the generating unit, where the spectrum corresponding to the second cell is an authorized spectrum; and/or, the sending unit is specifically used to: The common control channel is sent to the user equipment in the user equipment set by using the spectrum corresponding to the first cell, where the spectrum corresponding to the first cell is an unlicensed spectrum.
- a fourth aspect provides a user equipment, including: a receiving unit, configured to receive a first notification message sent by a base station on a second cell, where the first notification message is used to indicate that the first cell is detected on a first cell And a determining unit, configured to determine, according to the first notification message received by the receiving unit, that the detecting unit needs to detect the common control channel on the first cell.
- the detecting unit is configured to detect the common control channel on the first cell.
- the receiving unit is configured to: receive the first notification message sent by the base station when determining that the first cell is in a usable state.
- the determining unit is further configured to determine, according to energy detection and/or signal analysis, that the first cell is a usage state;
- the user equipment further includes a generating unit and a sending unit, wherein the generating The unit is configured to generate, after the determining unit determines that the first cell is in a usable state, to generate a listening report message, where the listening report message is used by the base station to determine that the first cell is in a usable state;
- the base station sends the interception report message generated by the generating unit.
- the receiving unit is further configured to: receive on the first cell The service data sent by the base station.
- the receiving unit is further configured to: receive the base station a second notification message sent on the spectrum corresponding to the first cell, where the second notification message is sent by the base station when determining that the synchronization performance of the user equipment cannot meet the synchronization requirement, and is used to indicate that the second cell corresponds to Detecting, on the spectrum, the synchronization channel of the spectrum corresponding to the second cell; the determining unit is further configured to: determine, according to the second notification message received by the receiving unit, that the detecting unit needs to detect on a spectrum corresponding to the second cell The synchronization channel of the spectrum corresponding to the second cell; the detecting unit is further configured to: detect the synchronization channel of the spectrum corresponding to the second cell on a spectrum corresponding to the second cell.
- the receiving unit is further configured to: receive the base station a third notification message sent by the second cell, where the third notification message is sent by the base station when determining that the common control information of the common control channel is updated, and is used to indicate that the first cell is detected on the first cell.
- the updated common control channel the updated common control channel is used to carry the updated common control information;
- the determining unit is further configured to: determine, according to the third notification message received by the receiving unit, The detecting unit detects the updated common control channel on the first cell; the detecting unit is further configured to: detect the updated common control channel on the first cell.
- the detecting unit is specifically configured to: Receiving the first notification message, periodically detecting the common control channel on the first cell; the receiving unit is further configured to: receive a suspension detection message sent by the base station on the second cell, where the suspension detection message is When the base station determines that the first 'area is occupied by another device, and is used to indicate that the common control channel is aborted, the determining unit is further configured to: determine, according to the suspension detection message received by the receiving unit, that the detecting unit is needed Suspending detection of the common control on the first cell The detecting unit is further configured to: suspend detecting the common control channel on the first cell.
- the receiving unit is further configured to: after the suspension of detecting the common control channel on the first cell, receive the And a fourth notification message that is sent by the base station when the first cell is in a usable state, where the fourth notification message is used to indicate that the common control channel of the first cell is detected on the first cell; the determining unit is further configured to: Determining, according to the fourth notification message received by the receiving unit, that the detecting unit periodically detects the common control channel on the first cell; the detecting unit is further configured to: periodically detect the common control on the first cell channel.
- the first notification message is carried in the demodulation Information required by the common control channel; the determining unit is specifically configured to: determine, according to the first notification message, that the detecting unit needs to detect on the first cell based on the information required for demodulating the common control channel The detecting unit is configured to: detect the common control channel on the first cell based on the information required for demodulating the common control channel.
- the determining unit is configured to: receive, according to the receiving unit The first notification message determines that the detecting unit needs to detect the common control channel on the first cell by using a blind detection manner; the detecting unit is specifically configured to: detect the public on the first cell by using a blind detection manner Control channel.
- the common control channel includes a synchronization channel, a physical broadcast channel And a common control channel carrying a system information block and at least one of a common control channel carrying a reference signal for performing measurement.
- the user equipment further includes a measurement unit, where the measurement unit is configured to: When the control channel includes a common control channel carrying a reference signal for performing measurement, channel state information CSI measurement and/or radio resource management RRM measurement is performed based on the reference signal for performing measurement.
- the first notification message is received by the physical layer Carrying, and carrying in the public search space of the second cell; or, the first notification message It is carried by physical layer signaling and is carried in a search space specific to the user equipment.
- the receiving unit is specifically configured to: receive the The first notification message sent by the base station on the spectrum corresponding to the second cell, where the spectrum corresponding to the second cell is an authorized spectrum; and/or the determining unit is specifically configured to: determine that the detecting unit is required to be in the first Detecting the common control channel on the spectrum corresponding to the area, and the detecting unit is specifically configured to: detect the common control channel on a corresponding spectrum on the first cell, where the spectrum corresponding to the first cell is unauthorized Spectrum.
- a base station including a processor and a transmitter, where the processor is configured to: generate a first notification message, where the first notification message is used to indicate that the user equipment in the user equipment set is in the first cell Detecting the common control channel of the first cell; the transmitter is configured to: send, by using the second cell, the first notification message generated by the processor to the user equipment in the user equipment set, and send the first notification message to the user by using the first cell The user equipment in the device set sends the common control channel.
- the processor before the sending, by the second cell, the first notification message to the user equipment in the user equipment set, the processor further uses the processor In: determining that the first cell is in a usable state.
- the transmitter is further configured to: after the processor determines that the first cell is in a usable state, The pre-occupied signal is sent on the first cell.
- the base station further includes a receiver, where the processor is specifically configured to: pass the receiver The received signal is subjected to energy detection and/or by signal analysis to determine that the first cell is in a usable state.
- the base station further includes a receiver, where the receiver is configured to receive the user equipment set The first user equipment determines, according to the energy detection and/or the signal analysis, the interception report message that is sent when the first cell is in a usable state; the processor is specifically configured to: according to the interception report message received by the receiver, It is determined that the first cell is in a usable state.
- the processor is further configured to: Pass Before the second cell sends the first notification message to the user equipment in the user equipment set, it is determined that the first cell needs to send the service data to the user equipment in the user equipment set; the transmitter is further configured to: collect the user equipment After the user equipment sends the common control channel, the service data is sent to the user equipment in the user equipment set by the first cell.
- the processor is further configured to: When the channel includes the synchronization channel, determining whether the synchronization performance of the user equipment in the user equipment set can meet the synchronization requirement, and generating a second notification message when determining that the synchronization performance of the user equipment in the user equipment set cannot meet the synchronization requirement, The second notification message is used to indicate that the user equipment in the user equipment set detects the synchronization channel of the first cell on the first cell; the transmitter is further configured to: use the second cell to be in the user equipment set The user equipment sends the second notification message generated by the processor, and sends the synchronization channel to the user equipment in the user equipment set by using the first cell.
- the processor is further configured to: determine the common control The common control information of the channel is updated to generate a third notification message, where the third notification message is used to indicate that the user equipment in the user equipment set detects the updated common control channel of the first cell on the first cell, The updated common control channel is used to carry the updated common control information; the transmitter is further configured to: send, by the second cell, the third notification generated by the processor to the user equipment in the user equipment set And transmitting, by the first cell, the updated common control channel to the user equipment in the user equipment set by using the first cell.
- the transmitter is specifically configured to: periodically send the user The user equipment in the device set sends the common control channel; the processor is further configured to: determine whether the first cell is occupied by another device, and generate a suspension detection message when the processor determines that the first cell is occupied by another device The abort detection message is used to indicate that the user equipment in the user equipment set is aborted to detect the common control channel.
- the transmitter is further configured to: send, by the second cell, the processor generated by the processor to the user equipment in the user equipment set. The abort detection message.
- the processor is further configured to: after the transmitter sends the suspension detection message, determine the first cell In a usable state, and generate a fourth notification message, the fourth notification message is used to indicate The user equipment in the user equipment set detects the common control channel of the first cell on the first cell; the transmitter is further configured to: send, by the second cell, the processor generated by the user equipment in the user equipment set The fourth notification message, and periodically transmitting the common control channel to the user equipment in the user equipment set by the first cell.
- the first notification message that is generated by the processor includes Information needed to demodulate the common control channel.
- the common control channel includes a synchronization channel, a physical broadcast A channel, a common control channel carrying a system information block, and at least one of a common control channel carrying a reference signal for performing measurement.
- the first notification message is by a physical layer
- the bearer is carried and carried in the common search space of the second cell; or the first notification message is carried by the physical layer signaling and is carried in the user equipment specific search space in the user equipment set.
- the transmitter is specifically configured to: pass the And transmitting, by the user equipment in the user equipment set, the first notification message that is generated by the processor, where the spectrum corresponding to the second cell is an authorized spectrum; and/or, the transmitter is specifically used to: The common control channel is sent to the user equipment in the user equipment set by using the spectrum corresponding to the first cell, where the spectrum corresponding to the first cell is an unlicensed spectrum.
- a user equipment including: a receiver, configured to receive a first notification message sent by a base station on a second cell, where the first notification message is used to indicate that the first cell is detected on a first cell a common control channel; a processor, configured to determine, according to the first notification message received by the receiver, that the common control channel needs to be detected on the first cell by the receiver; the processor is further configured to pass the receiver The common control channel is detected on the first cell.
- the receiver is specifically configured to:
- the processor is further configured to perform energy detection and/or signal analysis according to the signal received by the receiver, Determining that the first cell is in a usable state, and generating a listening report message, where the listening report message is used to indicate that the first cell is in a usable state; the user equipment further includes a transmitter, where the transmitter is used in the When the processor determines that the first cell is in a usable state, the processor sends the interception report message to the base station.
- the receiver is further configured to: receive on the first cell The service data sent by the base station.
- the receiver is further configured to: receive the base station a second notification message sent by the second cell, where the second notification message is sent by the base station when determining that the synchronization performance of the user equipment cannot meet the synchronization requirement, and is used to indicate that the first cell is detected on the first cell.
- the synchronization channel of the cell the processor is further configured to: determine, according to the second notification message received by the receiver, that the synchronization channel of the first cell needs to be detected by the receiver on the first cell;
- the method is further configured to: detect, by the receiver, the synchronization channel of the first cell on the first cell.
- the receiver is further configured to: receive the base station a third notification message sent by the second cell, where the third notification message is sent by the base station when determining that the common control information of the common control channel is updated, and is used to indicate that the first cell is detected on the first cell.
- the updated common control channel is used to carry the updated common control information;
- the processor is further configured to: determine, according to the third notification message received by the receiver, The receiver detects the updated common control channel on the first cell; the processor is further configured to: detect, by the processor, the updated common control channel of the first cell by using the processor .
- the processor is specifically configured to: Receiving the first notification message, determining that the common control channel needs to be periodically detected on the first cell by using the receiver, and the processor is specifically configured to: periodically detect, by the receiver, on the first cell a common control channel; the receiver is further configured to: receive the base station to send on the second cell And sending the suspension detection message, wherein the suspension detection message is sent when the base station determines that the first cell is occupied by another device, and is used to indicate that the detection of the common control channel is suspended, and the processor is further configured to: be based on the receiver Receiving the abort detection message, determining that it is necessary to suspend detecting the common control channel on the first cell by the receiver; the processor is further configured to: suspend detecting the common control channel on the first cell by the receiver.
- the receiver is further configured to: detect, by the processor, the detecting, by the receiver, on the first cell After receiving the public control channel, receiving a fourth notification message sent by the base station when re-determining that the first cell is in a usable state, where the fourth notification message is used to indicate that the common control channel of the first cell is detected on the first cell
- the processor is further configured to: determine, according to the fourth notification message received by the receiver, that the common control channel needs to be periodically detected on the first cell by using the receiver; the processor is further configured to: pass the receiving The device periodically detects the common control channel on the first cell.
- the first notification message is carried in the demodulation Information required by the common control channel; the processor is specifically configured to: determine, according to the first notification message received by the receiver, that information required for demodulating the common control channel is required, by using the receiver Detecting the common control channel on the first cell; the processor is further configured to: detect, by using the receiver, the common control channel on the first cell by using the information required for demodulating the common control channel.
- the processor is specifically configured to: Receiving the first notification message, detecting, by using the receiver, the common control channel on the first cell by using a blind detection manner.
- the common control channel includes a synchronization channel, a physical broadcast channel And a common control channel carrying a system information block and at least one of a common control channel carrying a reference signal for performing measurement.
- the common control channel detected by the processor by the receiver includes a reference signal for carrying the measurement
- the processor is further configured to: perform measurement according to the common control channel
- the reference signal is subjected to channel state information CSI measurement and/or radio resource management RRM measurement.
- the first notification message is by a physical layer
- the bearer is carried and carried in the common search space of the second cell; or the first notification message is carried by the physical layer signaling and is carried in the search space specific to the user equipment.
- the receiver is specifically configured to: receive the The first notification message sent by the base station on the spectrum corresponding to the second cell, where the spectrum corresponding to the second cell is an authorized spectrum; and/or the processor is specifically configured to: determine that the receiver needs to pass the first The common control channel is detected on the spectrum corresponding to the cell, and the common control channel is detected on the first cell by the receiver, where the spectrum corresponding to the first cell is an unlicensed spectrum.
- the second cell sends a notification message to the user equipment to indicate that the common control channel is detected on the first cell, and may notify the user equipment that the first cell is used, and specifically notify the user equipment.
- the base station needs to send a common control channel on the first cell, and send a common control channel on the first cell, so that the user equipment detects the common control channel on the first cell, and the user equipment can obtain the first stage by demodulating the common control channel.
- the common control information on a cell provides the necessary information for subsequent possible service data demodulation.
- the shared spectrum can be reasonably used in the form of a cell configuration.
- FIG. 1 is a flow chart of an information transmission method according to an embodiment of the present invention.
- FIG. 2 is a schematic flowchart of an information transmission method according to an embodiment of the present invention.
- FIG. 3 is a diagram of an exemplary time-frequency resource utilization diagram in accordance with another embodiment of the present invention.
- FIG. 4 is a diagram of an exemplary time-frequency resource utilization diagram in accordance with another embodiment of the present invention.
- FIG. 5 is a diagram of an exemplary time-frequency resource utilization diagram according to another embodiment of the present invention.
- FIG. 6 is a diagram of an exemplary time-frequency resource utilization diagram in accordance with another embodiment of the present invention.
- FIG. 7 is a diagram of an exemplary time-frequency resource utilization diagram according to another embodiment of the present invention.
- FIG. 8 is a diagram of an exemplary time-frequency resource utilization diagram according to another embodiment of the present invention.
- FIG. 9 is a schematic flowchart of an information transmission method according to another embodiment of the present invention.
- FIG. 10 is a schematic block diagram of a base station according to another embodiment of the present invention.
- FIG. 11 is a schematic block diagram of a base station according to another embodiment of the present invention.
- FIG. 12 is a schematic block diagram of a user equipment according to another embodiment of the present invention.
- FIG. 13 is a schematic block diagram of a user equipment according to another embodiment of the present invention.
- FIG. 14 is a schematic block diagram of a base station according to another embodiment of the present invention.
- FIG. 15 is a schematic block diagram of a base station according to another embodiment of the present invention.
- FIG. 16 is a schematic block diagram of a user equipment according to another embodiment of the present invention.
- FIG. 17 is a schematic block diagram of a user equipment according to another embodiment of the present invention. detailed description
- FIG. 1 is a schematic flowchart of an information transmission method 100 according to an embodiment of the present invention.
- the method 100 can be performed by a base station. As shown in FIG. 1, the method 100 can include:
- the second cell When the base station determines that the common control channel of the first cell needs to be sent, the second cell sends a notification message to the user equipment in the user equipment set to indicate that the user equipment in the user equipment set detects the first cell.
- a common control channel of a cell a common control channel of a cell; and the base station can send the common control channel to the user equipment in the user equipment set by using the first cell, so that the user equipment in the user equipment set can be on the first cell according to the notification message.
- a common control channel of the first cell is detected.
- the shared spectrum can be reasonably used in the form of a cell configuration.
- the second cell sends a message to the user equipment for indicating that the
- the notification message of detecting the common control channel on the first cell may notify the user equipment that the first cell is used in time, specifically notify the user equipment that the base station needs to send the common control channel on the first cell, and send the common control channel on the first cell.
- the user equipment detects the common control channel on the first cell, and the user equipment can obtain common control information on the first cell by demodulating the common control channel, and provide necessary information for subsequent possible service data demodulation.
- the second cell mentioned in the embodiment of the present invention may be a primary cell (PCell) corresponding to the base station and/or the user equipment, and the first 'zone may be a secondary cell corresponding to the base station and/or the user equipment. (Secondary cell, SCell).
- the message is sent by the second cell (specifically, the first notification message, the second notification message, the third notification message, the fourth notification message, and the fifth notification message mentioned below)
- the spectrum corresponding to the second cell is used to send a message.
- the channel is transmitted by the first cell (specifically, it may be a common control channel or a channel for carrying service data), that is, the channel is transmitted through the spectrum corresponding to the first cell.
- the spectrum corresponding to the first cell may be an unlicensed spectrum, and/or the spectrum corresponding to the second cell may be a licensed spectrum.
- the frequency corresponding to the first cell may be a shared spectrum shared by the LTE system and other devices, and other devices may be Wifi devices.
- Unlicensed spectrum can also be understood as a spectrum that is free to use, such as the spectrum used by current Wifi devices.
- the licensed spectrum can be understood as the spectrum that has been sold.
- the second cell and the first cell may belong to the same base station.
- the second cell and the first cell may both belong to the same macro base station.
- the second cell and the first cell may also belong to different base stations.
- the second cell belongs to the macro base station
- the first cell belongs to the base station corresponding to the small cell (the low-power transmitting base station), where the small cell may include: a metro cell, a micro cell, and a micro cell.
- Pico cell Femto cell, Wireless Local Area Networks (WLAN) using Wireless Fidelity (Wi-Fi) technology, etc. These small cells have small coverage and transmission Low power, suitable for providing high-speed data transmission services.
- the base station may directly configure and/or activate the first cell as a secondary cell to the user equipment, or the base station may confirm that the first cell is in a usable state, and then The cell is configured as a secondary cell and/or activated to the user equipment or the base station may also be configured as the secondary cell to the user equipment. After determining that the first cell is in the usable state, the first cell is activated as the secondary cell.
- the base station may directly configure and/or activate the first cell as a secondary cell to the user equipment, or the base station may confirm that the first cell is in a usable state, and then The cell is configured as a secondary cell and/or activated to the user equipment or the base station may also be configured as the secondary cell to the user equipment. After determining that the first cell is in the usable state, the first cell is activated as the secondary cell.
- User equipment may directly configure and/or activate the first cell as a secondary cell to the user equipment, or the base station may confirm that the first cell is in a usable state, and then The cell
- the secondary base station of the second cell may directly configure the first cell as a secondary cell and / or activated to the user equipment, or the secondary base station of the second cell can learn whether the first cell is in a usable state or an unusable state by using information exchange between the slave base station of the second cell and the slave base station of the first cell.
- the first cell After determining that the first cell is in a usable state, the first cell is configured and/or activated as a secondary cell to the user equipment, or the secondary base station of the second cell may first configure the first cell to the user equipment, when passing the second
- the information exchange between the subordinate base station of the cell and the subordinate base station of the first cell determines that the first cell is in a usable state, and then activates the first cell as a secondary cell to the user equipment.
- the method 100 may further include:
- the second cell when determining that the first cell is in a usable state, the second cell sends a notification message for indicating that the common control channel is detected on the first cell, and passes the The first cell sends a common control channel to the user equipment, so that mutual interference between the base station and other devices, such as the Wifi device, can be avoided, and resource competition opportunities of other devices can also be increased.
- the method 100 may further include:
- the pre-occupied signal may carry indication information, where the indication information is used to indicate that the first cell is already occupied.
- the base station may first send a pre-occupied signal in the pre-occupied area E of the first cell. Then, the base station may send a notification message to the user equipment in the user equipment set in the control area A of the second cell, and the notification message may be used to indicate that the user equipment in the user equipment set detects the common control channel in the common control area F.
- the service data before sending the notification message to the user equipment in the user equipment set by using the second cell, it may be determined whether the service data needs to be sent to the user equipment in the user equipment set by using the first cell. If the channel quality of the first cell is better than the channel quality of the second cell or the traffic load on the second cell is heavy, it may be determined that the service data needs to be sent to the user equipment by using the first cell. After determining that the service data needs to be transmitted through the first cell, and after transmitting the common control channel in the common control area F as shown in FIG. 3, the data area G may be The user equipment sends the service data.
- the scheduling information for the service data sent in the data area G may be sent through the data area G, for example, may be specifically sent through an Enhanced Physical Downlink Control Channel (EPDCCH) in the data area G.
- the data area B is sent, for example, by the EPDCCH of the data area B, or by the control area A.
- the scheduling information of the service data may be included in the notification message.
- the scheduling information may indicate that the user equipment correctly demodulates the control information required for data transmission on the first cell, for example, may include a time-frequency resource location occupied by the data transmission, and a modulation and coding scheme of the data transmission (Modulation Coding) Scheme) and data power control information.
- Modulation Coding Modulation Coding
- the "region" referred to in the embodiment of the present invention refers to a time-frequency resource.
- the control region is a time-frequency resource for transmitting a control channel, and specifically may be a time-frequency resource for transmitting a Physical Downlink Control Channel (PDCCH), and the data region is a time-frequency for transmitting a data channel.
- PDCH Physical Downlink Control Channel
- the resource may be used to transmit a physical downlink shared channel (Physical Downlink Shared Channel, a time-frequency resource of the PDSCH, etc.
- the data region may further include a time-frequency resource for transmitting the EPDCCH; the synchronization region is used for The time-frequency resource of the synchronization channel is sent; the common control area is the time-frequency resource for transmitting the common control channel; and the pre-occupied area is the time-frequency resource for transmitting the pre-occupied signal.
- the X, ⁇ , and Z shown in FIG. 3 may respectively indicate the start position of the control region of one subframe corresponding to the second cell, the end position of the control region, and the end position of the data region.
- XI , ⁇ , ⁇ may respectively indicate the pre-occupied area of the first cell and/or the starting position of the common control area, the ending position of the pre-occupied area and/or the common control area, and the ending position of the data area.
- the time position indicated by X 1 may be ahead of the time position indicated by X, or may be the same as the time position indicated by X; the time position indicated by Y1 may be delayed or equal to the time position indicated by ⁇ ; the time position indicated by Z1 may be
- the time position indicated by ⁇ is the same, and the similarities appear in other figures. For the sake of brevity, the details will not be described later.
- determining that the first cell is in a usable state in the foregoing S140 may include: determining, by using energy detection and/or by using signal analysis, that the first cell is in a usable state.
- Signal analysis can also be understood as signal demodulation.
- the base station may determine whether the first cell is in a usable state or in an unusable state by means of energy detection and/or signal analysis. For example, when it is determined by energy detection that the energy on the first cell is less than a predetermined threshold, it may be determined that the first cell is in use. State, energy can be expressed by the strength of the received signal, for example, by power and amplitude. For example, after determining, by using signal analysis, the corresponding result after the signal analysis on the first cell is determined, the first cell may be determined to be in a usable state or in an unusable state, where the first cell is used to indicate that the first cell is in use.
- the resource used by the state or the signal in the unusable state and/or the necessary information needed to parse the signal may be known to the base station in a predefined manner or by means of a notification, where the resources include time domain resources and/or frequency domain resources and And the code domain resource, where the necessary information may include a coded modulation mode of the signal, data power control information, etc., and the base station may use the foregoing information to receive, on the determined time-frequency resource, the first cell to be in a usable state. Or the signal in an unusable state, using the necessary information needed to parse the signal, parsing the signal, and determining the state in which the frequency domain corresponding to the first cell is.
- the status is either unusable.
- a principle for determining that the first cell is in a usable state may be that the transmitted signal of the other device on the first cell does not affect or affect the signal transmitted by the base station on the first cell.
- the foregoing predetermined threshold may be determined according to a specific situation, for example, may be determined according to factors such as the power of the common control channel sent by the base station on the first cell or the current data traffic load, and may be determined according to actual conditions. The embodiment does not limit this.
- the base station may periodically perform energy detection and/or signal analysis to determine whether the first cell is in a usable state or an unusable state.
- the base station may perform energy detection periodically, and when determining whether the first cell is in a usable state or an unusable state by using energy detection, further determining whether the first cell is in a usable state or an unusable state by using signal analysis.
- the base station may periodically perform signal analysis. When the signal is parsed, it is determined that the first cell is in a usable state or an unusable state, and the energy detection is used to further determine that the first cell is in a usable state or an unusable state.
- the base station may determine that the second cell is overloaded or the data transmission efficiency is low, so that the second cell cannot meet the service data transmission requirement, and determines that the service data needs to be sent by the first cell, and then the energy detection and/or signal analysis is performed. It is determined that the first cell is in a usable state or an unusable state.
- the method 100 may further include: receiving, by the first user equipment in the set of user equipment, determining that the first cell is in accordance with energy detection and/or signal analysis.
- the S140 determines that the first cell is in the usable state, and may include: determining, according to the interception report message, that the first cell is in a usable state.
- the interception report message may also be referred to as a snooping notification message or the like, regardless of the method, as long as the function mentioned in the present invention for notifying the base station that the first cell is in a usable state can be implemented, the present invention is Within the scope of protection.
- the user equipment can determine whether the first cell is in a usable state or in an unusable state based on energy detection and/or signal analysis. For example, when it is determined by energy detection that the energy on the first cell is less than a predetermined threshold, the first cell may be determined to be in a usable state, and the energy may be represented by the strength of the received signal, for example, power and amplitude may be used. Said. For example, after determining, by using signal analysis, the corresponding result after the signal analysis on the first cell is determined, the first cell may be determined to be in a usable state or in an unusable state, where the first cell is used to indicate that the first cell is in use.
- the state is still the resource used by the signal of the unusable state and/or the necessary information needed to parse the signal, and the user equipment can be known by a predefined manner or a notification manner, where the resources include time domain resources and/or frequency domain resources and/or Or a code domain resource, where the necessary information may include a coded modulation mode of the signal, data power control information, and the like, and the user equipment may use the foregoing information to receive, on the known time-frequency resource, the first cell to be in a usable state.
- the signal of the unusable state is analyzed by using the necessary information needed to analyze the signal, and the state in which the frequency domain corresponding to the first cell is located is determined.
- the user equipment may send a interception report message to the base station, and the base station may determine, according to the interception report message, that the first cell is in a usable state or is unavailable. status.
- the base station may determine that the first cell is in a usable state or an unusable state; or, the base station sends multiple user equipments to send After the report message is intercepted, it is determined that the first cell is in a usable state or an unusable state.
- the first user equipment mentioned above represents a plurality of user equipments.
- the user equipment may periodically determine, by means of energy detection and/or signal analysis, whether the first cell is in a usable state or an unusable state.
- the user equipment may periodically perform energy detection.
- the user equipment may perform signal analysis periodically.
- the energy detection is used to further determine that the first cell is in an available state or an unusable state.
- the user equipment after receiving the carrier configuration and/or activation information sent by the base station, the user equipment periodically determines, by means of energy detection and/or signal analysis, whether the first cell is in a usable state or an unusable state. .
- the user equipment may also use energy detection and/or signal analysis after receiving the indication information sent by the base station to indicate that the user equipment determines that the first cell is in a usable state or an unusable state. Determining that the first cell is in a usable state or an unusable state, wherein the base station may determine that the second cell is overloaded or the data transmission efficiency is low, so that the second cell cannot meet the data service sending requirement, and determines that the first cell needs to be sent by using the first cell.
- the user equipment is sent indication information for instructing the user equipment to determine whether the first cell is in a usable state or an unusable state.
- the user equipment senses the second cell data transmission efficiency measurement.
- the indication information sent by the base station to indicate that the user equipment is determined to be in a usable state or an unusable state may be carrier activation information.
- the base station may use the carrier activation information to enable the user equipment to identify the first The cell, and determines whether the first cell is in a usable state or an unusable state.
- the common control channel sent by the first cell may include at least one of a synchronization channel, a physical broadcast channel, a common control channel carrying the system information block, and a common control channel carrying a reference signal for performing measurement.
- the system information block may be a system information block corresponding to the system information block type 1, or may be another type of system information block.
- the reference signal used to perform the measurement may be a Channel State Information-Reference Signal (CSI-RS), a Common Reference Signal (Common Reference Signal), a Discovery Reference Signal (DRS), or the like.
- CSI-RS Channel State Information-Reference Signal
- Common Reference Signal Common Reference Signal
- DRS Discovery Reference Signal
- the common control channel sent by the first cell may include only one or some common control channels.
- the base station determines that the user equipment is required to synchronize with the first cell
- only the synchronization channel may be sent, or when the base station determines that the user equipment is required to perform measurement, only the common control channel carrying the reference signal for performing measurement may be transmitted.
- the specifics may be determined by reference to the actual situation, and the invention is not limited thereto.
- the base station sends a notification message to the user equipment in the control area of the second cell, where the notification message may include a user in the user equipment set.
- the device detects the synchronization channel in the pre-occupied area and/or the synchronization area of the first cell, so that the user equipment in the user equipment set acquires the synchronization information of the first cell, and the base station needs to indicate the user equipment in the user equipment set to the second cell.
- the notification message is sent to the user equipment by using the control area of the second cell, and the user equipment in the user equipment set is instructed to perform measurement on the second cell, and the measurement content may be a reference signal carried by the common control channel for channel state information.
- the RRM measurement may include a Reference Signal Received Power (RSRP) measurement and a Reference Signal Received Quality (SRRQ) measurement.
- RSRP Reference Signal Received Power
- SRRQ Reference Signal Received Quality
- the common control channel carrying the reference signal for performing the measurement is distributed within the measurement area.
- the base station may send the pre-occupied area and/or the synchronization area on the frequency phrase corresponding to the first cell.
- FIG. 7 and FIG. 8 are only examples, and there may also be an area between the pre-occupied area and/or the synchronization area and the measurement area for carrying other common control channels. In the embodiment of the present invention, as shown in FIG.
- the base station may further send a common control channel carrying a reference signal for performing measurement, and send the data in the measurement area before transmitting data to the user equipment in the spectrum corresponding to the first cell. Hosted in the data area.
- the measurement area can also be located in the data area, which is not limited herein.
- the common control channel in the embodiment of the present invention may be used to carry common control information.
- the common control information may be time (and/or frequency) synchronization information provided by the synchronization signal and/or the synchronization signal carried by the synchronization channel.
- the synchronization channel may be a channel carrying a synchronization signal, where the synchronization signal is a signal that can provide time and/or frequency synchronization information, and may be, for example, a Primary Synchronization Signal (PSS)/ ⁇ Secondary Synchronization Signal (SSS), Cell-specific reference signals (CRS), Channel State Information Reference Signal (CSI-RS), Positioning reference signal , PRS), Discovery reference signal (DRS), etc.
- PSS Primary Synchronization Signal
- SSS Secondary Synchronization Signal
- CRS Cell-specific reference signals
- CSI-RS Channel State Information Reference Signal
- PRS Positioning reference signal
- DRS Discovery reference signal
- the method 100 may further include: generating a second a notification message, the second notification message is used to indicate the use
- the user equipment in the set of the user equipment detects the synchronization channel of the first cell on the first cell, and sends a second notification message to the user equipment in the user equipment set by using the second cell, and The user equipment in the set of user equipments transmits the synchronization channel.
- the synchronization performance of the user equipment is used to measure the synchronization between the user equipment and the first cell.
- the base station sends a notification message to the user equipment through the control area A of the second cell, where the notification message may include indicating that the user equipment in the user equipment set detects the public control in the common control area F.
- the common control channel includes at least a synchronization channel.
- the base station may determine, according to the performance of the user equipment, whether the synchronization channel needs to be sent in the synchronization area H and the synchronization area M. If necessary, the notification message is further used to indicate the user in the user equipment set.
- the device detects the synchronization channel in the synchronization area H and the synchronization area M.
- the base station can transmit the common control channel in the common control area F and the synchronization channel in the synchronization area H and the synchronization area M.
- the user equipment may perform initial synchronization and/or synchronization tracking according to the synchronization signal carried in the synchronization channel to meet the synchronization requirement in the data transmission process, and in the synchronization area H and the synchronization area.
- the M detects the synchronization channel to further implement synchronization tracking, wherein the synchronization signal carried by the synchronization channel carried by the synchronization area H and the synchronization area M may be different from the synchronization signal carried by the synchronization channel carried by the common control area F, such as the synchronization area H and the synchronization area.
- the synchronization channel carried by the M may be a synchronization channel carrying the CRS
- the synchronization channel carried by the common control area F may be a synchronization channel carrying the PSS/SSS.
- the information may be sent again for A notification message indicating that the user equipment in the user equipment set detects the synchronization channel and transmits the synchronization channel.
- a notification message may be sent in the control area S, and the re-transmitted notification message may be used to indicate that the user equipment in the user equipment set detects the synchronization channel in the synchronization area T, and then the base station may be in the synchronization area T. Send the sync channel again.
- the pre-occupation signal may also be sent in the pre-occupied area R.
- a synchronization area (not shown) similar to the synchronization areas H and M may be interspersed in the data area I and/or the data area L after the synchronization area T, wherein the possible interspersed synchronization area may be common to The control area F is notified to the user equipment.
- the common control information carried by the common control channel other than the synchronization channel sent in the common control area is not updated, then there is no need to send the public channel other than the synchronization channel.
- the common control channel for example, as shown in Fig. 4, in the X2 and Z3 areas, there is only a synchronization area T for generating a synchronization channel, and there is no area for transmitting a common control channel other than the synchronization channel.
- the method 100 may further include: generating a third notification message, where the third notification message is used to indicate that the user equipment in the user equipment set is in the Detecting, by the first cell, the updated common control channel of the first cell, where the updated common control channel is used to carry the updated common control information; and the user equipment in the user equipment set by the second cell a third notification message; sending, by the first cell, an updated common control channel to the user equipment in the user equipment set.
- the base station may continue to detect whether the first cell is in a usable state or an unusable state, and if it is in a usable state, may pass the control region.
- the notification message is further used to indicate that the user equipment detects the updated common control channel in the public control area Q, and sends the updated public control channel in the public control area Q, where the updated public The control channel is used to carry updated public control information.
- the base station determines that the synchronization channel transmitted in the common control region F can meet the synchronization performance requirement, for example, it can satisfy the demodulation requirement of the common control channel carried by the common control region Q in FIG. 5 or the data region that is possible after the common control region Q is satisfied.
- the demodulation requirements of the data channel the base station can transmit only the common control channels other than the synchronization channel in the common control region Q.
- the base station when the base station needs to send the service data on the first cell, for example, the second cell is overloaded or the data transmission efficiency is low, so that the second cell cannot meet the data service transmission requirement, and the base station determines that the first needs to pass the first
- the cell sends the service data it detects whether the first cell is in a usable state or an unusable state, and if the first cell is in a usable state, transmitting a pre-occupied signal and/or a common control channel on the first cell, and Business data.
- the base station may periodically detect whether the first cell is in a usable state or an unusable state, and if the first cell is in a usable state, and then needs to send the first cell to the user equipment by using the first cell,
- the service data for example, when the channel quality of the first cell is better than the channel quality of the second cell and/or the load of the second cell is heavy, it may be determined that the service data needs to be sent to the user equipment by using the first cell, and then the A pre-occupied signal and/or a common control channel is transmitted on a cell.
- the base station may also send the pre-occupied on the first cell after detecting (for example, periodically detecting) that the first cell is in the usable state, whether it needs to send the service data through the first cell at the time.
- the signal and/or the common control channel ie the pre-occupied area E and the common control area F as shown in FIG. 6, and the pre-occupied area X and/or the common control area Y. Road.
- FIG. 6 The signal and/or the common control channel, ie the pre-occupied area E and the common control area F as shown in FIG. 6, and the pre-occupied area X and/or the common control area Y. Road. For example, as shown in FIG.
- the base station can transmit other common control channels than the synchronization channel.
- the sending, by the S130, the public control channel to the user equipment in the user equipment set may include: periodically sending the common control channel to the user equipment in the user equipment set.
- the method 100 may further include: when determining that the first cell is occupied by another device, generating a suspension detection message, where the suspension detection message is used to indicate that the user equipment in the user equipment set stops detecting the common control channel, and The suspension detection message is sent by the second cell to the user equipment in the user equipment set.
- the method 100 may further include:
- the base station may periodically send a common control channel to the user equipment in the user equipment set. If the first cell is occupied by another device (for example, a Wifi device) by means of energy detection and/or signal analysis, the second cell may send a suspension to the user equipment in the user equipment set by using the interception mode. And detecting the message, the abort detection message may be used to indicate that the user equipment in the user equipment set stops detecting the common control channel. Then, if it is determined that the first cell is in the usable state, the second cell can send the notification message to the user equipment in the user equipment set again, and the re-sent the notification message is used to indicate the user in the user equipment set.
- another device for example, a Wifi device
- the device detects the common control channel of the first cell on the first cell; Afterwards, the common control channel may be periodically sent to the user equipment in the user equipment set by using the first cell. Alternatively, different transmission periods may be available for different common control channels.
- the base station may carry the periodic information in the notification message, and the user equipment may periodically detect the common control channel on the first cell according to the periodic information. Alternatively, the base station may also send a notification message according to the same period as sending the common control channel, to trigger the user equipment to periodically detect the common control channel on the first cell.
- the base station in addition to transmitting a common control channel by the first cell, may also send a common control channel through the second cell.
- a portion of the common control channel e.g., the synchronization channel
- another portion of the common control channel e.g., other common control channels than the synchronization channel
- the transmission may be performed on the first cell for the first time, and then transmitted on the second cell after the update.
- the other common control channels may be transmitted on the first cell n times and on the second cell in the next n times.
- it may be determined according to actual conditions, and the present invention is not specifically limited.
- the above mentioned notification message may include information required for demodulating the common control channel.
- the information required for demodulating the common control channel may include at least one of a resource location occupied by the common control channel, a modulation and coding scheme used for the common control channel, and transmission power information of the common control channel.
- the information required for demodulating the common control channel may include a time domain location, a frequency domain location, a code domain location, and the synchronization signal of the synchronization signal carried by the synchronization channel.
- the information needed for demodulating the common control channel may include the time domain location occupied by the other common control channels, the frequency domain location, the sequence resources, and the modulation coding used. Scheme and transmission power information, etc.
- the common control channel format sent on the first cell may also inherit some or all of the existing formats, for example: 3 ⁇ 4.
- FDD Frequency Division Duplexing
- SCH Synchronization Channel
- the Synchronization Channel (SCH) always occurs in the 0th and 5th subframes of each radio frame, occupying the spectrum corresponding to the first cell.
- PRB physical resource blocks
- SCH always occurs in 0, 1, 5, 6 subframes of each radio frame, occupying 6 PRBs of the spectrum center corresponding to the first 'zone.
- the Physical Broadcast Channel (PBCH) always occurs in subframe 0 of each radio frame.
- SIB1 System information block type 1
- SIB1 always occurs in the 5th sub-frame of each even frame.
- SIB1 scheduling by SIB1 occurs at a specified time position;
- the content carried by the common control channel may be part or all of the content carried by the existing control channel, for example, the content carried by the synchronization channel may be an existing PSS/SSS
- the content of the bearer can also be the information carried by the synchronous reference signal;
- the content carried by other common control channels except the synchronization channel, such as the contents of the physical broadcast channel and the common control channel carrying the system information block, can also be the existing PBCH, SIB. Part of the content or all of the content.
- the information required for demodulating the common control channel in the embodiment of the present invention may be carried in the same notification message as the information indicating that the user equipment in the user equipment set detects the common control channel of the first cell on the first cell.
- the first notification message mentioned above may be a plurality of notification messages, and the one notification message bearer is used to indicate that the user equipment in the user equipment set detects the first on the first cell.
- the information of the common control channel of the cell, and another notification message includes information needed for demodulating the common control channel.
- the first notification message may also include only information for indicating that the user equipment in the user equipment set detects the common control channel of the first cell on the first cell.
- the foregoing notification message may be controlled by physical layer signaling and radio resource control (Radio Resource Control, RRC) bearer carried by at least one of broadcast signaling, RRC proprietary signaling, or Media Access Control (MAC) signaling.
- RRC Radio Resource Control
- MAC Media Access Control
- the notification message when the notification message (including the first notification message, the second notification message, the third notification message, or the fourth notification message) is carried by physical layer signaling, the notification message may be carried in the first Within the Common Search Space (CSS) of the second community.
- the notification message is carried by the physical layer signaling, and the notification message may be quickly sent, and the notification message is carried in the common search space of the second cell, so that a group of user equipment, for example, All the user equipments of the service or a group of user equipments with multi-carrier aggregation capability can identify the notification message, and do not need to separately send notification messages for specific user equipments, thereby saving signaling overhead.
- the notification message when the foregoing notification message (including the first notification message, the second notification message, the third notification message, or the fourth notification message) is configured by physical layer signaling When hosted, the notification message can also be carried in the UE-Specific Search Space. That is, the base station may separately send a notification message carried by the physical layer signaling to a single user equipment, and carry the notification message in a specific search space of each user equipment.
- the foregoing notification message (including the first notification message, the second notification message, the third notification message, or the fourth notification message) may be referred to as cross-carrier scheduling signaling or common control signaling, etc.
- the method is suitable for the function of the user equipment in the user equipment set to detect the common control channel of the first cell on the first cell, which is within the protection scope of the present invention.
- the notification message mentioned above may also carry carrier activation information.
- a certain carrier for example, the first cell
- the notification message carrying the carrier activation information may also be other notification messages than the first notification message, the second notification message, the third notification message, and the fourth notification message, for example, the fifth notification message, and the fifth notification message is sent.
- the base station Before the first notification message, the second notification message, the third notification message or the fourth notification message, the base station first activates the first cell for the user equipment by using the fifth notification message, so that the user equipment can identify the first cell, and then And then, by using the first notification message, the second notification message, the third notification message, or the fourth notification message, the user equipment is notified to detect the common control channel sent on the first cell; or, the sending of the fifth notification message may be in the first notification message. After the second notification message, the third notification message, or the fourth notification message, before the user equipment is notified to perform service data demodulation, the base station first passes the first notification message, the second notification message, the third notification message, or the fourth notification.
- the message notifies the user equipment to detect the common control channel sent on the first cell, Sending a fifth message notification, the activation of the first cell for a user equipment, after notifying the traffic data transmitted on a first user equipment detects the cell, where detection may be understood to demodulate, for example, traffic data may be data bearer PDSCH.
- the carrier activation information is information that enables the user equipment to identify the carrier.
- the carrier activation information mentioned in the embodiment of the present invention is information that enables the user equipment to identify the first cell.
- the carrier activation information may also be referred to as carrier activation indication information, and it is within the scope of the present invention to perform the above functions regardless of the method.
- the operator information of the first cell may be carried in the notification message mentioned above, so that the user equipment can obtain the operator information of the first cell by receiving the notification message.
- the user equipment set may be all user equipments served by the base station. It can also be a collection of specific user equipments, for example, one or more user equipments with a relatively large amount of business data. If the user equipment in the foregoing user equipment set is a specific user equipment, the foregoing notification message may be carried by using RRC dedicated signaling.
- the second cell sends a notification message to the user equipment to indicate that the common control channel is detected on the first cell, and may notify the user equipment that the first cell is used, and specifically notify the user equipment.
- the base station needs to send a common control channel on the first cell, and send a common control channel on the first cell, so that the user equipment detects the common control channel on the first cell, and the user equipment can obtain the first stage by demodulating the common control channel.
- the common control information on a cell provides the necessary information for subsequent possible service data demodulation.
- the second cell when determining that the first cell is in a usable state, the second cell sends a notification message to the user equipment to indicate that the common control channel is detected on the first cell, and sends the notification message to the user equipment by using the first cell.
- the common control channel can avoid mutual interference between the base station and other devices, such as Wifi devices, and can also increase the resource competition opportunities of other devices.
- the pre-occupied signal is sent on the first cell, so that the first cell is prevented from being occupied by other devices.
- the shared spectrum can be reasonably used in the form of a cell configuration.
- FIG. 9 is a schematic flowchart of an information transmission method 200 according to an embodiment of the present invention.
- the method 200 can be performed by a user equipment. As shown in FIG. 9, the method 200 can include:
- S210 Receive a first notification message sent by the base station on the second cell, where the first notification message is used to indicate that the common control channel of the first cell is detected on the first cell.
- S220 Determine, according to the first notification message, that the public control channel needs to be detected on the first cell.
- the second cell sends a notification message to the user equipment in the user equipment set to indicate that the user equipment in the user equipment set detects the first cell.
- a common control channel of a cell and the base station may send the common control channel to the user equipment in the user equipment set by using the first cell, so that the user equipment in the user equipment set may be in the first cell according to the notification message.
- the common control channel of the first cell is detected.
- the second cell sends a notification message to the user equipment to indicate that the common control channel is detected on the first cell, and may notify the user equipment that the first cell is used, and specifically notify the user equipment.
- the base station needs to send a common control channel on the first cell, and The common control channel is sent on the first cell, so that the user equipment detects the common control channel on the first cell, and the user equipment can obtain the common control information on the first cell by demodulating the common control channel, which is possible for subsequent Service data demodulation provides the necessary information.
- the shared spectrum can be reasonably used in the form of a cell configuration.
- the receiving, by the S210, the first notification message sent by the base station on the second cell may include: receiving, by the base station, the second cell when determining that the first cell is in a usable state.
- the base station when the base station determines that the first cell is in the usable state, the base station sends a notification message to the user equipment to indicate that the common control channel is detected on the first cell, and passes the The first cell sends a common control channel to the user equipment, so that mutual interference between the base station and other devices, such as a Wifi device, can be avoided, and resource competition opportunities of other devices can also be increased.
- the method before receiving the notification information sent by the base station on the second cell when determining that the first cell is in the usable state, the method may further include: determining, according to energy detection and/or signal analysis, the first A cell is in a usable state; a listening report message is generated and sent to the base station, and the interception report message is used to indicate that the first cell is in a usable state or an unusable state.
- the user equipment may determine whether the first cell is in a usable state or an unusable state according to energy detection and/or signal analysis. For example, when it is determined by energy detection that the energy on the first cell is less than a predetermined threshold, the first cell may be determined to be in a usable state, and the energy may be represented by the strength of the received signal, for example, power and amplitude may be used. Said. For example, after determining, by using signal analysis, the corresponding result after the signal analysis on the first cell is determined, the first cell may be determined to be in a usable state or in an unusable state, where the first cell is used to indicate that the first cell is in use.
- the resources used by the signal of the state or the unusable state and/or the necessary information needed to parse the signal may be known to the user equipment by a predefined manner or a notification manner, where the resources include time domain resources and/or frequency domain resources and And the code domain resource, where the necessary information may include a coded modulation mode of the signal, data power control information, etc., and the user equipment may use the foregoing information to receive on the known time-frequency resource to indicate that the first cell is in use.
- the signal in the state or the unusable state is analyzed by the necessary information needed to analyze the signal, and the state in which the first cell is located is determined.
- the user equipment may send a listening report message to the base station, and the base station may according to the interception report message. It is determined that the first cell is in a usable state or an unusable state.
- the base station may determine that the first cell is in a usable state or an unusable state; or, the base station receives multiple users.
- the interception report message sent by the device it is determined that the first cell is in a usable state or an unusable state.
- the first user equipment mentioned above represents a plurality of user equipments.
- the user equipment may periodically determine whether the first cell is in a usable state or an unusable state by means of energy detection and/or signal analysis.
- the user equipment may perform energy detection periodically, and when determining whether the first cell is in a usable state or a non-usable state by using energy detection, further determining whether the first cell is in a usable state or an unusable state by using signal analysis.
- the user equipment may periodically perform signal analysis. When the first cell is in a usable state or an unusable state through signal analysis, the energy detection is used to further determine that the first cell is in an available state or an unusable state.
- the user equipment after receiving the carrier configuration and/or the carrier activation information sent by the base station, the user equipment periodically determines, by using energy detection and/or signal analysis, whether the first cell is in a usable state or is unavailable. status.
- the user equipment may also pass the energy detection and/or signal analysis manner after receiving the indication information sent by the base station to indicate that the user equipment determines whether the first cell is in a usable state or an unusable state. Determining that the first cell is in a usable state or an unusable state, wherein the base station may determine that the second cell is overloaded or the data transmission efficiency is low, so that the second cell cannot meet the data service sending requirement, and determines that the first cell needs to pass the first cell.
- the user equipment sends indication information for instructing the user equipment to determine whether the first cell is in a usable state or an unusable state.
- the indication information sent by the base station to indicate that the user equipment determines that the first cell is in a usable state or an unusable state may be carrier activation information.
- the base station may cause the user equipment to identify the first cell by using the carrier activation information, and determine whether the first cell is in a usable state or an unusable state.
- the method 200 may further include: receiving, on the first 'area, the service data sent by the base station.
- the base station may determine that the service data needs to be sent through the first cell, or The channel quality of a cell is better than the channel quality of the second cell and / When the load of the second cell is heavy, it may be determined that the service data needs to be sent to the user equipment by using the first cell.
- the method 200 may further include: receiving a second notification message sent by the base station on the second cell, where the second notification message is that the base station is determining the user equipment (this The user equipment at the location may be the user equipment that is the executor of the method 200 or may be another user equipment.
- the synchronization performance is not met when the synchronization requirement is met, and is used to indicate that the first cell is detected on the first cell.
- a synchronization channel determining, according to the second notification message, that the synchronization channel of the first cell needs to be detected on the first cell; and detecting the synchronization channel of the first cell on the first cell.
- the method 200 may further include: receiving a third notification message sent by the base station on the second cell, where the third notification message is that the base station determines that the common control channel carries And an updated common control channel that is sent when the public control information is updated and used to indicate that the first cell is detected on the first cell, where the updated common control channel is used to carry updated public control information; And a third notification message, determining that the updated common control channel needs to be detected on the first cell; and detecting the updated common control channel on the first cell.
- the detecting, by the S230, the common control channel on the first cell may include: periodically detecting the common control channel on the first cell;
- the method 200 may further include: receiving a suspension detection message sent by the base station on the second cell, where the suspension detection message is sent by the base station when the first cell is determined to be occupied by another device, and is used for Instructing to abort detection of the common control channel; based on the abort detection message, suspending detecting the common control channel on the first cell.
- the method 200 may further include: suspending detecting the common control channel on the first cell, and receiving, by the base station, the first sent by the base station when determining that the first cell is in a usable state. a fourth notification message, configured to detect a common control channel of the first cell on the first cell; and determining, according to the fourth notification message, that the common control channel needs to be periodically detected on the first cell And periodically detecting the common control channel on the first cell.
- the base station may carry the periodic information in the notification message, and the user equipment may periodically detect the common control channel on the first cell according to the periodic information. Or, the base station can also follow the public control
- the notification channel is sent in the same cycle of the channel to trigger the user equipment to periodically detect the common control channel on the first cell.
- the common control channel may include at least one of a synchronization channel, a physical broadcast channel, a common control channel carrying a system information block, and a common control channel carrying a measurement.
- the system information block may be a system information block corresponding to the system information block type 1, or may be another type of system information block.
- the reference signals used to perform the measurements may be CSI-RS, CRS, DRS, and the like.
- the method 200 may further include:
- RRM Radio Resource Management
- the RRM measurement may specifically include RSRP measurement and RSRQ measurement.
- the common control channel in the embodiment of the present invention may be used to carry common control information.
- the common control information may be time (and/or frequency) synchronization information provided by the synchronization signal and/or the synchronization signal carried by the synchronization channel.
- the synchronization channel may be a channel carrying a synchronization signal, where the synchronization signal is a signal that can provide time and/or frequency synchronization information, and may be, for example, PSS/SSS, CRS, CSI-RS, PRS, DRS and so on.
- the notification message may carry information required for demodulating the common control channel.
- detecting the common control channel on the first cell in S230 may include: detecting the common control channel on the first cell based on the information required for demodulating the common control channel.
- the above mentioned notification message may include information required for demodulating the common control channel.
- the information required for demodulating the common control channel may include at least a resource position of the common control channel, a modulation coding scheme used for the common control channel, and at least transmission power information of the common control channel.
- the information required for demodulating the common control channel may include a time domain location, a frequency domain location, a code domain location, and the synchronization signal of the synchronization signal carried by the synchronization channel.
- the information required for demodulating the common control channel may include the time domain location occupied by the other common control channels, the frequency domain location, the sequence resources, the modulation coding scheme used, and the transmission power information.
- the information required for demodulating the common control channel in the embodiment of the present invention may be carried in the same notification message as the information indicating that the user equipment in the user equipment set detects the common control channel of the first cell on the first cell. ; can also be carried in different notification messages, for example, one notification message is used to indicate that the user equipment in the user equipment set detects information of the common control channel of the first cell on the first cell, and another notification message includes Adjust the information needed for the common control channel.
- the first notification message may also be used only to indicate that the user equipment in the user equipment set detects the information of the common control channel of the first cell on the first cell. At this time, the user equipment needs to demodulate the common control channel by means of blind detection.
- the foregoing notification message (including the first notification message, the second notification message, the third notification message, or the fourth notification message) may be composed of physical layer signaling, RRC broadcast signaling, and RRC proprietary. At least one of signaling or MAC signaling is carried.
- the notification message when the notification message (including the first notification message, the second notification message, the third notification message, or the fourth notification message) is carried by physical layer signaling, the notification message may be carried in the first Within the public search space of the two cells.
- the notification message is carried by the physical layer signaling, and the notification message may be quickly sent, and the notification message is carried in the common search space of the second cell, so that a group of user equipment, for example, All the user equipments of the service or a group of user equipments with multi-carrier aggregation capability can identify the notification message, and do not need to separately send notification messages for specific user equipments, thereby saving signaling overhead.
- the notification message when the foregoing notification message (including the first notification message, the second notification message, the third notification message, or the fourth notification message) is carried by physical layer signaling, the notification message may also be carried in User device-specific search space. That is, the base station can separately send a notification message carried by the physical layer signaling to a single user equipment, and carry the notification message in a specific search space of each user equipment.
- the foregoing notification message (including the first notification message, the second notification message, the third notification message, or the fourth notification message) may be referred to as cross-carrier scheduling signaling or common control signaling, etc.
- the method is suitable for the function of the user equipment in the user equipment set to detect the common control channel of the first cell on the first cell, which is within the protection scope of the present invention.
- the notification message mentioned above may also carry carrier activation information. For example, when the user equipment receives the foregoing notification message, it may be considered that a certain carrier is activated, and a certain carrier (for example, the first cell) may be configured by the user equipment in a predefined manner.
- the notification message carrying the carrier activation information may also be other notification messages than the first notification message, the second notification message, the third notification message, and the fourth notification message, for example, the fifth notification message, and the fifth notification message is sent.
- the base station Before the first notification message, the second notification message, the third notification message or the fourth notification message, the base station first activates the first cell for the user equipment by using the fifth notification message, so that the user equipment can identify the first cell, and then And then, by using the first notification message, the second notification message, the third notification message, or the fourth notification message, the user equipment is notified to detect the common control channel sent on the first cell; or, the sending of the fifth notification message may be in the first notification message.
- the base station After the second notification message, the third notification message, or the fourth notification message, before the user equipment is notified to perform service data demodulation, the base station first passes the first notification message, the second notification message, the third notification message, or the fourth notification. The message notifies the user equipment to detect the common control channel sent on the first cell, and then sends The fifth notification message is used to activate the first cell for the user equipment, and then notify the user equipment to detect the service data sent on the first cell, where the detection may be understood as demodulation, and the service data may be, for example, data carried by the PDSCH.
- the user equipment set may be all user equipments served by the base station; or may be a set of specific user equipments, for example, one or more user equipments with a relatively large amount of service data. If the user equipment in the user equipment set is a specific user equipment, the foregoing notification message may be carried by using RRC dedicated signaling.
- the receiving, by the S210, the first notification message sent by the base station on the second cell may include: receiving, by the receiving base station, the first notification message sent by the base station on a spectrum corresponding to the second cell, where the second cell The corresponding spectrum is the licensed spectrum; and/or
- the foregoing S220 determines that the detecting the common control channel on the first cell may include: determining that the common control channel needs to be detected on a spectrum corresponding to the first cell, and the detecting, by the S230, the common control channel on the first cell includes: The common control channel is detected on the spectrum corresponding to the first cell, where the spectrum corresponding to the first cell is an unlicensed spectrum.
- the user equipment and the base station mentioned in the method 200 can respectively correspond to the user equipment and the base station mentioned in the method 100, and can respectively implement the corresponding functions of the user equipment and the base station in the method 100, for the sake of brevity, Let me repeat.
- the base station sends a notification message for indicating that the common control channel is detected on the first cell to the user equipment by using the second cell, and may notify the user equipment that the device is the first
- the cell is used to specifically notify the user equipment that the base station needs to send a common control channel on the first cell, and sends a common control channel on the first cell, so that the user equipment detects the common control channel on the first cell, and the user equipment passes the public
- the demodulation of the control channel can obtain common control information on the first cell, and provide necessary information for subsequent possible service data demodulation.
- the base station when determining that the first cell is in a usable state, the base station sends, by using the second cell, a notification message for indicating that the common control channel is detected on the first cell, and the user equipment is sent to the user equipment by using the first cell.
- Sending a common control channel can avoid mutual interference between the base station and other devices, such as Wifi devices, and can also increase resource competition opportunities of other devices.
- the shared spectrum can be reasonably used in the form of a cell configuration.
- FIG. 10 is a schematic block diagram of a base station 300 in accordance with an embodiment of the present invention.
- the base station 300 includes: a generating unit 310 and a transmitting unit 320. among them,
- the generating unit 310 is configured to generate a first notification message, where the first notification message is used to indicate that the user equipment in the user equipment set detects the common control channel of the first cell on the first cell, and the sending unit 320 is configured to: Transmitting, by the second cell, the first notification message generated by the generating unit to the user equipment in the user equipment set;
- the sending unit 320 is further configured to send the common control channel to the user equipment in the user equipment set by using the first cell.
- the base station sends a notification message to the user equipment to indicate that the common control channel is detected on the first cell by using the second cell, and may notify the user equipment that the first cell is used, and specifically notify the user.
- the device base station needs to send a common control channel on the first cell, and send a common control channel on the first cell, so that the user equipment detects the common control channel on the first cell, and the user equipment can obtain the demodulation of the common control channel.
- the common control information on the first cell provides necessary information for subsequent possible service data demodulation. Therefore, the shared spectrum can be reasonably used in the form of a cell configuration.
- the base station 300 further includes a first determining unit 330, where the first determining unit 330 is configured to: send, by the sending unit 320, the user equipment in the user equipment set by using the second cell. Before the first notification message, it is determined that the first cell is in a usable state.
- the sending unit 320 is further configured to: after the first determining unit 330 determines that the first location is in a usable state, send a pre-occupancy signal on the first cell. Specifically, it can be After the first determining unit 330 determines that the first cell is in a usable state, the generating unit 310 generates a pre-occupied signal, and then the sending unit 320 may send the pre-occupied signal generated by the generating unit 310.
- the base station 300 further includes a receiving unit 340, where the first determining unit 330 is specifically configured to: determine, by performing energy detection on the signal received by the receiving unit 340 and/or by signal analysis.
- the first cell is in a usable state.
- the base station further includes a receiving unit 340, configured to receive, by the first user equipment in the set of user equipment, when determining, according to energy detection and/or signal analysis, that the first cell is in a usable state.
- the first detection unit 330 is configured to: determine, according to the interception report message received by the receiving unit 340, that the first cell is in a usable state.
- the base station 300 further includes a second determining unit 350, where the second determining unit 350 is specifically configured to: in the sending unit 320, the user in the user equipment set by using the second cell. Before the device sends the first notification message, it is determined that the sending unit 320 needs to send service data to the user equipment in the user equipment set by using the first cell; the sending unit 320 is further configured to: in the user in the user equipment set After the device sends the common control channel, the service data is sent by the first cell to the user equipment in the user equipment set.
- the generating unit 310 generates the service data, and then the sending unit 320 may send the generating unit. 310 generated business data.
- the base station 300 further includes a third determining unit 360, configured to: determine, when the common control channel includes the synchronization channel, whether synchronization performance of the user equipment in the user equipment set can satisfy synchronization
- the generating unit 310 is further configured to: when the third determining unit 360 determines that the synchronization performance of the user equipment in the user equipment set cannot meet the synchronization requirement, generate a second notification message, where the second notification message is used to indicate the
- the user equipment in the user equipment set detects the synchronization channel of the first cell on the first cell; the sending unit 320 is further configured to: send, by using the second cell, the generating unit 310 to the user equipment in the user equipment set. Generating the second notification message, and sending the synchronization channel to the user equipment in the user equipment set by using the first cell.
- the base station 300 further includes a fourth determining unit 370, where the fourth determining unit 370 is configured to: determine a common control information update carried by the common control channel; the generating unit 310 is further configured to: The determining unit 370 determines that the common control information carried by the common control channel is more After the new notification, the third notification message is used to indicate that the user equipment in the user equipment set detects the updated common control channel of the first 'j, the area on the first cell, the update The common control channel is used to carry the updated common control information.
- the sending unit 320 is further configured to: send, by the second cell, the third notification generated by the generating unit 310 to the user equipment in the user equipment set. And transmitting, by the first cell, the updated common control channel to the user equipment in the user equipment set by using the first cell.
- the sending unit 320 is specifically configured to: periodically send the common control channel to the user equipment in the user equipment set.
- the generating unit 310 is further configured to: when the first determining unit 330 determines that the first cell is occupied by another device, generate a suspension detection message, where the suspension detection message is used to indicate that the user equipment in the user equipment set stops detecting the public control
- the sending unit 320 is further configured to: send, by using the second cell, the suspension detection message to the user equipment in the user equipment set.
- the first determining unit 310 may perform energy detection and/or signal analysis by using the signal received by the receiving unit 340 to determine whether the first cell is occupied by another device. For details on how to implement it, refer to the description in Method 100.
- the generating unit 310 is further configured to: after the sending unit 320 sends the suspension detection message, and after the first determining unit 330 determines that the first cell is in a usable state, generate a fourth notification message, where the The fourth notification message is used to indicate that the user equipment in the user equipment set detects the common control channel of the first cell on the first cell.
- the sending unit 320 is further configured to: send the fourth notification message generated by the generating unit 310. And transmitting, by the first cell, the common control channel to the user equipment in the user equipment set periodically.
- the sending unit 320 is configured to: send, by using the spectrum corresponding to the second cell, the first notification message generated by the generating unit 310 to the user equipment in the user equipment set, where the second cell corresponds to The spectrum is the licensed spectrum; and/or
- the sending unit 320 is configured to send the common control channel to the user equipment in the user equipment set by using the frequency hop corresponding to the first cell, where the spectrum corresponding to the first cell is an unlicensed spectrum.
- the second cell mentioned in the embodiment of the present invention may be a primary cell (PCell) corresponding to the base station and/or the user equipment, and the first 'zone may be a secondary cell corresponding to the base station and/or the user equipment.
- SCell Secondary cell
- the message is sent by the second cell (specifically, may be the first notification message, the second notification message, the third notification message, or The fourth notification message is that the channel is transmitted through the spectrum corresponding to the second cell.
- the first cell sends a channel (specifically, a common control channel or a channel for carrying service data), that is, the message is sent by using the spectrum corresponding to the first cell.
- the spectrum corresponding to the first cell may be unauthorized.
- the unlicensed spectrum, and/or the spectrum corresponding to the second cell may be a licensed spectrum.
- the spectrum corresponding to the first cell may be a shared spectrum shared by the LTE system and other devices, and other devices may be Wifi devices.
- the second cell and the first cell may belong to the same base station.
- the second cell and the first cell may both belong to the same macro base station.
- the second cell and the first cell may also belong to different base stations.
- the second cell belongs to the macro base station
- the first cell belongs to the base station corresponding to the small cell (the low-power transmitting base station), where the small cell may include: a metro cell, a micro cell, and a micro cell.
- Pico cell Femto cell, Wireless Local Area Networks (WLAN) using Wireless Fidelity (Wi-Fi) technology, etc. These small cells have small coverage and transmission Low power, suitable for providing high-speed data transmission services.
- the common control channel may include at least one of a synchronization channel, a physical broadcast channel, a common control channel carrying a system information block, and a common control channel carrying a measurement.
- the system information block may be a system information block corresponding to the system information block type 1, or may be another type of system information block.
- the reference signals used to perform the measurements may be CSI-RS, CRS, DRS.
- the above mentioned notification message may include information required for demodulating the common control channel.
- the information required for demodulating the common control channel may include at least one of a resource location occupied by the common control channel, a modulation and coding scheme used for the common control channel, and transmission power information of the common control channel.
- the information required for demodulating the common control channel may include a time domain location, a frequency domain location, a code domain location, and the synchronization signal of the synchronization signal carried by the synchronization channel.
- the information needed for demodulating the common control channel may include the time domain location occupied by the other common control channels, the frequency domain location, the sequence resources, and the modulation coding used. Scheme and transmission power information, etc.
- the information required for demodulating the common control channel in the embodiment of the present invention may be used for indicating
- the user equipment in the user equipment set detects that the information of the common control channel of the first cell is carried in the same notification message on the first cell, and may also be carried in different notification messages.
- the first notification message mentioned above may be A plurality of notification messages, the one notification message carries information for indicating that the user equipment in the user equipment set detects the common control channel of the first cell on the first cell, and another notification message includes that is needed for demodulating the common control channel.
- the first notification message may also include only information for indicating that the user equipment in the user equipment set detects the common control channel of the first cell on the first cell.
- the foregoing notification message may be controlled by physical layer signaling and radio resource control (Radio Resource Control, RRC) bearer carried by at least one of broadcast signaling, RRC proprietary signaling, or Media Access Control (MAC) signaling.
- RRC Radio Resource Control
- MAC Media Access Control
- the notification message when the notification message (including the first notification message, the second notification message, the third notification message, or the fourth notification message) is carried by physical layer signaling, the notification message may be carried in the first Within the public search space of the two cells.
- the notification message is carried by the physical layer signaling, and the notification message may be quickly sent, and the notification message is carried in the common search space of the second cell, so that a group of user equipment, for example, All the user equipments of the service or a group of user equipments with multi-carrier aggregation capability can identify the notification message, and do not need to separately send notification messages for specific user equipments, thereby saving signaling overhead.
- the notification message when the foregoing notification message (including the first notification message, the second notification message, the third notification message, or the fourth notification message) is carried by physical layer signaling, the notification message may also be carried in User device-specific search space. That is, the base station can separately send a notification message carried by the physical layer signaling to a single user equipment, and carry the notification message in a specific search space of each user equipment.
- the foregoing notification message (including the first notification message, the second notification message, the third notification message, or the fourth notification message) may be referred to as cross-carrier scheduling signaling or common control signaling, etc.
- the method is suitable for the function of the user equipment in the user equipment set to detect the common control channel of the first cell on the first cell, which is within the protection scope of the present invention.
- the notification message mentioned above may also carry carrier activation information.
- a certain carrier for example, the first cell
- Carry carrier activation information The notification message may also be other than the first notification message, the second notification message, the third notification message, and the fourth notification message, such as a fifth notification message, where the fifth notification message may be sent first.
- the base station Before the notification message, the second notification message, the third notification message, or the fourth notification message, the base station first activates the first cell for the user equipment by using the fifth notification message, so that the user equipment can identify the first cell, and then pass the first The notification message, the second notification message, the third notification message, or the fourth notification message, notifying the user equipment to detect the common control channel sent on the first cell; or, the sending of the fifth notification message may be in the first notification message, the second notification After the message, the third notification message, or the fourth notification message is sent, the base station first notifies the user equipment by using the first notification message, the second notification message, the third notification message, or the fourth notification message, before the user equipment is notified to perform service data demodulation.
- Detecting a common control channel sent on the first cell, and then sending a fifth notification message The user equipment activates a first cell, then notification service data transmitted on a first user equipment detects the cell, where detection may be understood as a demodulation, for example, traffic data may be data bearer PDSCH.
- the carrier activation information is information that enables the user equipment to identify the carrier.
- the carrier activation information mentioned in the embodiment of the present invention is information that enables the user equipment to identify the first cell.
- the carrier activation information may also be referred to as carrier activation indication information, and it is within the scope of the present invention to perform the above functions regardless of the method.
- the operator information of the first cell may be carried in the notification message mentioned above, so that the user equipment can obtain the operator information of the first cell by receiving the notification message.
- the user equipment set may be all user equipments served by the base station; or may be a set of specific user equipments, for example, one or more user equipments with a relatively large amount of service data. If the user equipment in the user equipment set is a specific user equipment, the foregoing notification message may be carried by using RRC dedicated signaling.
- the base station 300 may correspond to the base station in the method 100 or 200, and may implement corresponding functions implemented by the base station in the method 100 or 200. For brevity, no further details are provided herein.
- the base station sends a notification message to the user equipment to indicate that the common control channel is detected on the first cell by using the second cell, and may notify the user equipment that the first cell is used, and specifically notify the user.
- the device base station needs to send a common control channel on the first cell, and send a common control channel on the first cell, so that the user equipment detects the common control channel on the first cell, and the user equipment can obtain the demodulation of the common control channel.
- the common control information on the first cell provides necessary information for subsequent possible service data demodulation.
- the base station sends the second cell to the user equipment when determining that the first cell is in a usable state.
- the base station sends a pre-occupied signal on the first cell, so that the first cell is avoided from being occupied by other devices.
- the shared spectrum can be reasonably used in the form of a cell configuration.
- FIG. 12 is a schematic block diagram of a user equipment 400 in accordance with an embodiment of the present invention.
- the user equipment 400 includes: a receiving unit 410, a determining unit 420, and a detecting unit 430.
- the receiving unit 410 is configured to receive a first notification message that is sent by the base station on the second cell, where the first notification message is used to indicate that the common control channel of the first cell is detected on the first cell;
- the determining unit 420 is configured to determine, according to the first notification message received by the receiving unit 410, that the detecting unit 430 detects the common control channel on the first cell.
- the detecting unit 430 is configured to detect the common control channel on the first cell.
- the base station sends a notification message to the user equipment to indicate that the common control channel is detected on the first cell by using the second cell, and may notify the user equipment that the first cell is used, and specifically notify the user.
- the device base station needs to send a common control channel on the first cell, and send a common control channel on the first cell, so that the user equipment detects the common control channel on the first cell, and the user equipment can obtain the demodulation of the common control channel.
- the common control information on the first cell provides necessary information for subsequent possible service data demodulation. Therefore, the shared spectrum can be reasonably used in the form of a cell configuration.
- the receiving unit 410 is specifically configured to: receive the first notification message sent by the base station when determining that the first 'zone is in a usable state.
- the determining unit 420 is further configured to determine, according to the energy detection and/or the signal analysis, that the first cell is in a usable state.
- the user equipment further includes a generating unit 440 and a sending unit 450. among them,
- the generating unit 440 is configured to generate, after the determining unit 420 determines that the first cell is in a usable state, to generate a listening report message, where the listening report message is used by the base station to determine that the first cell is in a usable state; 450 is configured to send the interception report message generated by the generating unit 440 to the base station.
- the receiving unit 410 is further configured to: receive the service data sent by the base station on the first cell.
- the receiving unit 410 is further configured to: receive a spectrum corresponding to the base station in the first region a second notification message sent, where the second notification message is sent by the base station when determining that the synchronization performance of the user equipment cannot meet the synchronization requirement, and is used to indicate that the second spectrum is detected on the spectrum corresponding to the second cell.
- the determining unit 420 is further configured to: determine, according to the second notification message that is received by the receiving unit 410, the need for detecting unit 430 to detect the synchronization channel of the spectrum corresponding to the second cell on a frequency phrase corresponding to the second cell;
- the detecting unit 430 is further configured to: detect the synchronization channel of the spectrum corresponding to the second cell on a spectrum corresponding to the second cell.
- the receiving unit 410 is further configured to: receive a third notification message sent by the base station on the second cell, where the third notification message is sent by the base station when determining that the common control information carried by the common control channel is updated.
- the updated common control channel is detected on the first cell, and the updated common control channel is used to carry the updated common control information.
- the determining unit 420 further uses On the third notification message received by the receiving unit 410, it is determined that the detecting unit 430 needs to detect the updated common control channel on the first 'area; the detecting unit 430 is further configured to: in the first cell The common control channel is detected on the update.
- the detecting unit 430 is specifically configured to: periodically detect the common control channel on the first cell based on the first notification message received by the receiving unit 410;
- the receiving unit 410 is further configured to: receive a suspension detection message sent by the base station on the second cell, where the suspension detection message is sent when the base station determines that the first cell is occupied by another device, and is used to indicate abort detection.
- the determining unit 420 is further configured to: determine, according to the suspension detection message received by the receiving unit 410, that the detecting unit 430 needs to suspend detecting the common control channel on the first cell; the detecting unit 430 further uses And: suspending detecting the common control channel on the first cell.
- the receiving unit 410 is further configured to: after the suspension of detecting the common control channel on the first cell, receive a fourth notification message sent by the base station when determining that the first cell is in a usable state, the fourth The notification message is used to indicate that the common control channel of the first cell is detected on the first cell; the determining unit 420 is further configured to: determine, according to the fourth notification message received by the receiving unit 410, that the detecting unit 430 is required to be The common control channel is periodically detected on the first cell; the detecting unit 430 is further configured to: periodically detect the common control channel on the first cell.
- the first notification message carries information required for demodulating the common control channel; the determining unit 420 is specifically configured to: determine, according to the first notification message, that the detecting unit 430 is required to be based on the solution Adjusting the information required by the common control channel, detecting the first cell
- the common control channel is configured to: detect the common control channel on the first cell based on the information required for demodulating the common control channel.
- the determining unit 420 is configured to: determine, according to the first notification message received by the receiving unit 410, that the detecting unit 430 needs to detect the common control channel on the first cell by using blind detection;
- the 430 is specifically configured to: detect the common control channel on the first cell by using a blind detection manner.
- the common control channel comprises at least one of a synchronization channel, a physical broadcast channel, a common control channel carrying a system information block, and a common control channel carrying a reference signal for performing measurements.
- the user equipment 400 further includes a measurement unit 400, where the measurement unit 440 is configured to: the common control channel detected by the detection unit 430 includes a common signal carrying a reference signal for performing measurement When the channel is controlled, CSI measurement and/or RRM measurement is performed based on the reference signal for performing measurement.
- the first notification message is carried by physical layer signaling and is carried in a common search space of the second cell.
- the receiving unit 410 is specifically configured to: receive the first notification message sent by the base station on a spectrum corresponding to the second cell, where the spectrum corresponding to the second cell is an authorized spectrum; and/or
- the determining unit 420 is specifically configured to: determine that the detecting unit 430 is required to detect the common control channel on a spectrum corresponding to the first 'area, and the detecting unit 430 is specifically configured to: detect the corresponding spectrum on the first cell a common control channel, where the spectrum corresponding to the first cell is an unlicensed spectrum.
- the second cell mentioned in the embodiment of the present invention may be a primary cell (PCell) corresponding to the base station and/or the user equipment, and the first 'zone may be a secondary cell corresponding to the base station and/or the user equipment. (Secondary cell, SCell).
- PCell primary cell
- SCell secondary cell
- receiving the message sent on the second cell is received in the first
- the message sent on the spectrum corresponding to the second cell is received by the first cell (specifically, it may be a common control channel or a channel for carrying service data), that is, the channel is received by the spectrum corresponding to the first cell.
- the spectrum corresponding to the first cell may be an unlicensed spectrum, and/or the spectrum corresponding to the second cell may be a licensed spectrum.
- the frequency corresponding to the first cell may be shared by the LTE system and other devices.
- the shared spectrum, other devices can be Wifi devices.
- the second cell and the first cell may belong to the same base station.
- the second cell and the first cell may both belong to the same macro base station.
- the second cell and the first cell may also belong to different base stations.
- the second cell belongs to the macro base station
- the first cell belongs to the base station corresponding to the small cell (the low-power transmitting base station), where the small cell may include: a metro cell, a micro cell, and a micro cell.
- Pico cell Femto cell, Wireless Local Area Networks (WLAN) using Wireless Fidelity (Wi-Fi) technology, etc. These small cells have small coverage and transmission Low power, suitable for providing high-speed data transmission services.
- the common control channel may include at least one of a synchronization channel, a physical broadcast channel, a common control channel carrying a system information block, and a common control channel carrying a measurement.
- the system information block may be a system information block corresponding to the system information block type 1, or may be another type of system information block.
- the reference signal used to perform the measurement can be
- the above mentioned notification message may include information required for demodulating the common control channel.
- the information required for demodulating the common control channel may include at least one of a resource location occupied by the common control channel, a modulation and coding scheme used for the common control channel, and transmission power information of the common control channel.
- the information required for demodulating the common control channel may include a time domain location, a frequency domain location, a code domain location, and the synchronization signal of the synchronization signal carried by the synchronization channel.
- the information needed for demodulating the common control channel may include the time domain location occupied by the other common control channels, the frequency domain location, the sequence resources, and the modulation coding used. Scheme and transmission power information, etc.
- the information required for demodulating the common control channel in the embodiment of the present invention may be carried in the same notification message as the information indicating that the user equipment in the user equipment set detects the common control channel of the first cell on the first cell.
- the first notification message mentioned above may be a plurality of notification messages, and the one notification message bearer is used to indicate that the user equipment in the user equipment set detects the first on the first cell.
- the information of the common control channel of the cell, and another notification message includes information needed for demodulating the common control channel.
- the first notice The message may also include only information indicating that the user equipment in the set of user equipment detects the common control channel of the first cell on the first cell.
- the foregoing notification message may be controlled by physical layer signaling and radio resource control (Radio Resource Control, RRC) bearer carried by at least one of broadcast signaling, RRC proprietary signaling, or Media Access Control (MAC) signaling.
- RRC Radio Resource Control
- MAC Media Access Control
- the notification message when the notification message (including the first notification message, the second notification message, the third notification message, or the fourth notification message) is carried by physical layer signaling, the notification message may be carried in the first Within the public search space of the two cells.
- the notification message is carried by the physical layer signaling, and the notification message may be quickly sent, and the notification message is carried in the common search space of the second cell, so that a group of user equipment, for example, All the user equipments of the service or a group of user equipments with multi-carrier aggregation capability can identify the notification message, and do not need to separately send notification messages for specific user equipments, thereby saving signaling overhead.
- the notification message when the foregoing notification message (including the first notification message, the second notification message, the third notification message, or the fourth notification message) is carried by physical layer signaling, the notification message may also be carried in User device-specific search space. That is, the base station can separately send a notification message carried by the physical layer signaling to a single user equipment, and carry the notification message in a specific search space of each user equipment.
- the foregoing notification message (including the first notification message, the second notification message, the third notification message, or the fourth notification message) may be referred to as cross-carrier scheduling signaling or common control signaling, etc.
- the method is suitable for the function of the user equipment in the user equipment set to detect the common control channel of the first cell on the first cell, which is within the protection scope of the present invention.
- the notification message mentioned above may also carry carrier activation information.
- a certain carrier for example, the first cell
- the notification message carrying the carrier activation information may also be other notification messages than the first notification message, the second notification message, the third notification message, and the fourth notification message, for example, the fifth notification message, and the fifth notification message is sent.
- the base station Before the first notification message, the second notification message, the third notification message or the fourth notification message, the base station first activates the first cell for the user equipment by using the fifth notification message, so that the user equipment can identify the first cell, and then Passing the first notification message, the second notification message, the third notification message, or a fourth notification message, the user equipment is notified to detect the common control channel sent on the first cell; or the fifth notification message may be sent after the first notification message, the second notification message, the third notification message, or the fourth notification message.
- the base station Before notifying the user equipment to perform service data demodulation, the base station first informs the user equipment to detect the common control channel sent on the first cell by using the first notification message, the second notification message, the third notification message or the fourth notification message, and then sends the The fifth notification message is used to activate the first cell for the user equipment, and then notify the user equipment to detect the service data sent on the first cell, where the detection may be understood as demodulation, and the service data may be, for example, data carried by the
- the carrier activation information is information that enables the user equipment to identify the carrier.
- the carrier activation information mentioned in the embodiment of the present invention is information that enables the user equipment to identify the first cell.
- the carrier activation information may also be referred to as carrier activation indication information, and it is within the scope of the present invention to perform the above functions regardless of the method.
- the operator information of the first cell may be carried in the notification message mentioned above, so that the user equipment can obtain the operator information of the first cell by receiving the notification message.
- the user equipment set may be all user equipments served by the base station; or may be a set of specific user equipments, for example, one or more user equipments with a relatively large amount of service data. If the user equipment in the user equipment set is a specific user equipment, the foregoing notification message may be carried by using RRC dedicated signaling.
- the user equipment 400 may correspond to the user equipment in the method 100 or 200, and the corresponding functions implemented by the user equipment in the method 100 or 200 may be implemented, which will not be further described herein for brevity.
- the base station sends a notification message to the user equipment to indicate that the common control channel is detected on the first cell by using the second cell, and may notify the user equipment that the first cell is used, and specifically notify the user.
- the device base station needs to send a common control channel on the first cell, and send a common control channel on the first cell, so that the user equipment detects the common control channel on the first cell, and the user equipment can obtain the demodulation of the common control channel.
- the common control information on the first cell provides necessary information for subsequent possible service data demodulation.
- FIG. 14 is a schematic block diagram of a base station 500 in accordance with an embodiment of the present invention. As shown in FIG. 14, the base station 500 includes: a processor 510 and a transmitter 520.
- the processor 510 is configured to: generate a first notification message, where the first notification message is used to indicate a user equipment in the user equipment set. Detecting the common control channel of the first cell on the first cell; the transmitter 520 is configured to: send, by using the second cell, the first notification message generated by the processor 510 to the user equipment in the user equipment set, and The first cell sends the common control channel to the user equipment in the user equipment set.
- the base station sends a notification message to the user equipment to indicate that the common control channel is detected on the first cell by using the second cell, and may notify the user equipment that the first cell is used, and specifically notify the user.
- the device base station needs to send a common control channel on the first cell, and send a common control channel on the first cell, so that the user equipment detects the common control channel on the first cell, and the user equipment can obtain the demodulation of the common control channel.
- the common control information on the first cell provides necessary information for subsequent possible service data demodulation. Therefore, the shared spectrum can be reasonably used in the form of a cell configuration.
- the processor 510 is further configured to: determine that the first cell is in a usable state.
- the transmitter 520 is further configured to: after the processor 510 determines that the first cell is in a usable state, send a pre-occupancy signal on the first cell.
- the base station 500 further includes a receiver 530, where the processor 510 is specifically configured to: determine the first by performing energy detection on the signal received by the receiver 530 and/or by signal analysis.
- the cell is in a usable state.
- the base station 500 further includes a receiver 530, where the receiver 530 is configured to receive, by the first user equipment in the set of user equipment, the first part according to energy detection and/or signal analysis.
- the interception report message sent when a cell is in a usable state; the processor 510 is specifically configured to: determine, according to the interception report message received by the receiver 530, that the first cell is in a usable state.
- the processor 510 is further configured to: before the sending, by the transmitter 520, the first notification message to the user equipment in the user equipment set by using the second cell, determining, by using the first cell, the user in the user equipment set The device sends business data;
- the transmitter 520 is further configured to: after sending the common control channel to the user equipment in the user equipment set, send the service number to the user equipment in the user equipment set by using the first cell According to.
- the processor 510 is further configured to: determine, when the common control channel includes the synchronization channel, whether the synchronization performance of the user equipment in the user equipment set can meet the synchronization requirement, and determine the user equipment in the user equipment set.
- the second notification message is generated, where the second notification message is used to indicate that the user equipment in the user equipment set detects the synchronization channel of the first cell on the first cell;
- 520 is further configured to: send, by the second cell, the second notification message generated by the processor 510 to the user equipment in the user equipment set, and send the synchronization to the user equipment in the user equipment set by using the first cell. channel.
- the processor 510 is further configured to: determine a common control information update carried by the common control channel, and generate a third notification message, where the third notification message is used to indicate that the user equipment in the user equipment set is in the first The updated common control channel of the first cell is detected on the cell, and the updated common control channel is used to carry the updated common control information; the transmitter 520 is further configured to: pass the second cell to the The user equipment in the user equipment set sends the third notification message generated by the processor 510, and sends the updated common control channel to the user equipment in the user equipment set by using the first cell.
- the transmitter 520 is specifically configured to: periodically send the common control channel to the user equipment in the user equipment set; the processor 510 is further configured to: determine whether the first cell is occupied by another device, and The processor 510 determines that the first cell is occupied by another device, and generates a suspension detection message, which is used to indicate that the user equipment in the user equipment set stops detecting the common control channel; the transmitter 520 is further configured to: The second cell sends the abort detection message generated by the processor 510 to the user equipment in the user equipment set.
- the processor 520 can perform energy detection and/or signal analysis through the signal received by the receiver 530 to determine whether the first cell is occupied by other devices. A specific implementation can be referred to the description in method 100.
- the processor 510 is further configured to: after the transmitter 520 sends the suspension detection message, determine that the first cell is in a usable state, and generate a fourth notification message, where the fourth notification message is used to indicate the The user equipment in the user equipment set detects the common control channel of the first cell on the first cell; the transmitter 520 is further configured to: send the processor 510 to the user equipment in the user equipment set by using the second cell. Generating the fourth notification message, and periodically transmitting, by the first cell, the common control channel to the user equipment in the user equipment set.
- the common control channel includes a synchronization channel, a physical broadcast channel, a common control channel carrying the system information block, and a common control channel carrying a reference signal for performing measurement to One less.
- the first notification message is carried by physical layer signaling and is carried in a common search space of the second cell.
- the transmitter 520 is configured to: send the first notification message generated by the processor 510 to the user equipment in the user equipment set by using a spectrum corresponding to the second cell, where the second cell corresponds to The spectrum is the licensed spectrum; and/or
- the transmitter 520 is specifically configured to: send the common control channel to the user equipment in the user equipment set by using the spectrum corresponding to the first cell, where the spectrum corresponding to the first cell is an unlicensed spectrum.
- the second cell mentioned in the embodiment of the present invention may be a primary cell (PCell) corresponding to the base station and/or the user equipment, and the first 'zone may be a secondary cell corresponding to the base station and/or the user equipment. (Secondary cell, SCell).
- the message sent by the second cell (specifically, the first notification message, the second notification message, the third notification message, or the fourth notification message mentioned below) is corresponding to the second cell.
- the spectrum is used to transmit the channel.
- the transmission of the channel by the first cell (specifically, the common control channel or the channel for carrying the service data) is to transmit the message through the spectrum corresponding to the first cell.
- the spectrum corresponding to the first cell may be an unlicensed spectrum, and/or the spectrum corresponding to the second cell may be a licensed spectrum.
- the spectrum corresponding to the first cell may be a shared spectrum shared by the LTE system and other devices, and other devices may be Wifi devices.
- the second cell and the first cell may belong to the same base station.
- the second cell and the first cell may both belong to the same macro base station.
- the second cell and the first cell may also belong to different base stations.
- the second cell belongs to the macro base station
- the first cell belongs to the base station corresponding to the small cell (the low-power transmitting base station), where the small cell may include: a metro cell, a micro cell, and a micro cell.
- Pico cell Femto cell, Wireless Local Area Networks (WLAN) using Wireless Fidelity (Wi-Fi) technology, etc. These small cells have small coverage and transmission Low power, suitable for providing high-speed data transmission services.
- the common control channel may include at least one of a synchronization channel, a physical broadcast channel, a common control channel carrying a system information block, and a common control channel carrying a measurement.
- the system information block may be a system information block corresponding to the system information block type 1, or may be another type of system information block.
- the reference signal used to perform the measurement can be CSI-RS, CRS, DRS.
- the above mentioned notification message may include information required for demodulating the common control channel.
- the information required for demodulating the common control channel may include at least one of a resource location occupied by the common control channel, a modulation and coding scheme used for the common control channel, and transmission power information of the common control channel.
- the information required for demodulating the common control channel may include a time domain location, a frequency domain location, a code domain location, and the synchronization signal of the synchronization signal carried by the synchronization channel.
- the information needed for demodulating the common control channel may include the time domain location occupied by the other common control channels, the frequency domain location, the sequence resources, and the modulation coding used. Scheme and transmission power information, etc.
- the information required for demodulating the common control channel in the embodiment of the present invention may be carried in the same notification message as the information indicating that the user equipment in the user equipment set detects the common control channel of the first cell on the first cell.
- the first notification message mentioned above may be a plurality of notification messages, and the one notification message bearer is used to indicate that the user equipment in the user equipment set detects the first on the first cell.
- the information of the common control channel of the cell, and another notification message includes information needed for demodulating the common control channel.
- the first notification message may also include only information for indicating that the user equipment in the user equipment set detects the common control channel of the first cell on the first cell.
- the foregoing notification message may be controlled by physical layer signaling and radio resource control (Radio Resource Control, RRC) bearer carried by at least one of broadcast signaling, RRC proprietary signaling, or Media Access Control (MAC) signaling.
- RRC Radio Resource Control
- MAC Media Access Control
- the notification message when the notification message (including the first notification message, the second notification message, the third notification message, or the fourth notification message) is carried by physical layer signaling, the notification message may be carried in the first Within the public search space of the two cells.
- the notification message is carried by the physical layer signaling, and the notification message may be quickly sent, and the notification message is carried in the common search space of the second cell, so that a group of user equipment, for example, All the user equipments of the service or a group of user equipments with multi-carrier aggregation capability can identify the notification message, and do not need to separately send notification messages for specific user equipments, thereby saving signaling overhead.
- the notification message when the foregoing notification message (including the first notification message, the second notification message, the third notification message, or the fourth notification message) is carried by physical layer signaling, the notification message may also be carried in the user equipment specific Within the search space. That is, the base station may separately send a notification message carried by the physical layer signaling to a single user equipment, and carry the notification message in a specific search space of each user equipment.
- the foregoing notification message (including the first notification message, the second notification message, the third notification message, or the fourth notification message) may be referred to as cross-carrier scheduling signaling or common control signaling, etc.
- the method is suitable for the function of the user equipment in the user equipment set to detect the common control channel of the first cell on the first cell, which is within the protection scope of the present invention.
- the notification message mentioned above may also carry carrier activation information.
- a certain carrier for example, the first cell
- the notification message carrying the carrier activation information may also be other notification messages than the first notification message, the second notification message, the third notification message, and the fourth notification message, for example, the fifth notification message, and the fifth notification message is sent.
- the base station Before the first notification message, the second notification message, the third notification message or the fourth notification message, the base station first activates the first cell for the user equipment by using the fifth notification message, so that the user equipment can identify the first cell, and then And then, by using the first notification message, the second notification message, the third notification message, or the fourth notification message, the user equipment is notified to detect the common control channel sent on the first cell; or, the sending of the fifth notification message may be in the first notification message. After the second notification message, the third notification message, or the fourth notification message, before the user equipment is notified to perform service data demodulation, the base station first passes the first notification message, the second notification message, the third notification message, or the fourth notification.
- the message notifies the user equipment to detect the common control channel sent on the first cell, Sending a fifth message notification, the activation of the first cell for a user equipment, after notifying the traffic data transmitted on a first user equipment detects the cell, where detection may be understood to demodulate, for example, traffic data may be data bearer PDSCH.
- the carrier activation information is information that enables the user equipment to identify the carrier.
- the carrier activation information mentioned in the embodiment of the present invention is information that enables the user equipment to identify the first cell.
- the carrier activation information may also be referred to as carrier activation indication information, and it is within the scope of the present invention to perform the above functions regardless of the method.
- the operator information of the first cell may be carried in the notification message mentioned above, so that the user equipment can obtain the operator information of the first cell by receiving the notification message.
- the user equipment set may be all user equipments served by the base station; or may be a set of specific user equipments, for example, one or more user equipments with a relatively large amount of service data. If the user equipment in the foregoing user equipment set is a specific user equipment, the foregoing notification message may be carried by using RRC dedicated signaling.
- the base station 500 may correspond to the base station in the method 100 or 200, and may implement the corresponding functions implemented by the base station in the method 100 or 200. For brevity, no further details are provided herein.
- the base station sends a notification message to the user equipment to indicate that the common control channel is detected on the first cell by using the second cell, and may notify the user equipment that the first cell is used, and specifically notify the user.
- the device base station needs to send a common control channel on the first cell, and send a common control channel on the first cell, so that the user equipment detects the common control channel on the first cell, and the user equipment can obtain the demodulation of the common control channel.
- the common control information on the first cell provides necessary information for subsequent possible service data demodulation.
- the base station when determining that the first cell is in a usable state, the base station sends, by using the second cell, a notification message for indicating that the common control channel is detected on the first cell, and the user equipment is sent to the user equipment by using the first cell.
- Sending a common control channel can avoid mutual interference between the base station and other devices, such as Wifi devices, and can also increase resource competition opportunities of other devices.
- the base station when determining that the first cell is in an idle state, the base station sends a pre-occupied signal on the first cell, so that the first cell is prevented from being occupied by other devices.
- the shared spectrum can be reasonably used in the form of a cell configuration.
- FIG. 16 is a schematic block diagram of a user equipment 600 in accordance with an embodiment of the present invention.
- the user equipment 600 includes: a receiver 610 and a processor 620. among them,
- the receiver 610 is configured to receive a first notification message that is sent by the base station on the second cell, where the first notification message is used to indicate that the common control channel of the first cell is detected on the first cell;
- the processor 620 is configured to determine, according to the first notification message received by the receiver 610, that the common control channel needs to be detected on the first cell by the receiver 610;
- the processor 620 is further configured to detect the common control channel on the first cell by using the receiver 610.
- the base station sends a notification message to the user equipment to indicate that the common control channel is detected on the first cell by using the second cell, and may notify the user equipment that the first cell is used, and specifically notify the user.
- the device base station needs to send a common control channel on the first cell, and send a common control channel on the first cell, so that the user equipment detects the common control channel on the first cell, and the user equipment can obtain the demodulation of the common control channel.
- the common control information provides the necessary information for subsequent possible demodulation of the business data.
- the shared spectrum can be reasonably used in the form of a cell configuration.
- the receiver 610 is specifically configured to: receive the first notification message sent by the base station when determining that the first cell is in a usable state.
- the processor 620 is further configured to perform energy detection and/or signal parsing according to the signal received by the receiver 610, determine that the first cell is in a usable state, and generate a snooping message.
- the listening report message is used to indicate that the first cell is in a usable state.
- the user equipment 600 further includes a transmitter 630630, where the transmitter 630 is configured to determine, at the processor 620, that the first cell is in the When the status is available, the listening report message is sent to the base station.
- the receiver 610 is further configured to: receive service data sent by the base station on the first cell.
- the receiver 610 is further configured to: receive a second notification message sent by the base station on the second cell, where the second notification message is when the base station determines that the synchronization performance of the user equipment cannot meet the synchronization requirement.
- the synchronization channel is sent and used to detect the first cell on the first cell.
- the processor 620 is further configured to: determine, according to the second notification message received by the receiver 610, that the receiver 610 is required to pass. Detecting the synchronization channel of the first cell on the first cell; the processor 620 is further configured to: detect, by the receiver 610, the synchronization channel of the first cell on the first cell.
- the receiver 610 is further configured to: receive a third notification message sent by the base station on the second cell, where the third notification message is sent by the base station when determining that the common control information carried by the common control channel is updated.
- the updated common control channel is detected on the first cell, and the updated common control channel is used to carry the updated common control information;
- the processor 620 is further used by the processor 620.
- the processor 620 is further configured to: pass the processor 620: Detecting the updated common control channel of the first cell on the first cell.
- the processor 620 is specifically configured to: determine, according to the first notification message received by the receiver 610, that the common control channel needs to be periodically detected on the first cell by the receiver 610, and the processor The 620 is specifically configured to: periodically detect the common control channel on the first cell by using the receiver 610; the receiver 610 is further configured to: receive a suspension detection message sent by the base station on the second cell, where Suspending the detection message is that the base station determines that the first cell is other And the processor 620 is further configured to: determine, according to the suspension detection message received by the receiver 610, to suspend the first cell through the receiver 610, when the device is occupied, and is used to indicate that the common control channel is aborted. The common control channel is detected; the processor 620 is further configured to: suspend detecting the common control channel on the first cell by the receiver 610.
- the receiver 610 is further configured to: after the processor 620 stops detecting the common control channel on the first cell by the receiver 610, and receive, after the base station re-determines that the first cell is in a usable state, And a fourth notification message, where the fourth notification message is used to indicate that the common control channel of the first cell is detected on the first cell; the processor 620 is further configured to: receive the fourth notification received by the receiver 610 The message is determined to periodically detect the common control channel on the first cell by using the receiver 610. The processor 620 is further configured to: periodically detect the common control channel on the first cell by using the receiver 610.
- the first notification message carries information required for demodulating the common control channel; the processor 620 is specifically configured to: determine, according to the first notification message received by the receiver 610, that the requirement is based on the Decoding the information required by the common control channel, and detecting, by the receiver 610, the common control channel on the first cell; the processor 620 is further configured to: based on the required for demodulating the common control channel The information is detected by the receiver 610 on the first cell.
- the processor 620 is specifically configured to: detect, according to the first notification message received by the receiver 610, the common control channel on the first cell by using the receiver 610 by using a blind detection manner.
- the common control channel comprises at least one of a synchronization channel, a physical broadcast channel, a common control channel carrying a system information block, and a common control channel carrying a measurement.
- the processor 620 is further configured to: according to the reference for performing measurement Signal, perform CSI measurement and / or RRM measurement.
- the first notification message is carried by physical layer signaling and is carried in a common search space of the second cell.
- the receiver 610 is specifically configured to: receive the first notification message sent by the base station on a spectrum corresponding to the second cell, where the spectrum corresponding to the second cell is an authorized spectrum; and/or
- the processor 620 is specifically configured to: determine, by the receiver 610, corresponding to the first cell The common control channel is detected on the spectrum, and the common control channel is detected on the first cell by the receiver 610, where the spectrum corresponding to the first cell is an unlicensed spectrum.
- the second cell mentioned in the embodiment of the present invention may be a primary cell (PCell) corresponding to the base station and/or the user equipment, and the first 'zone may be a secondary cell corresponding to the base station and/or the user equipment. (Secondary cell, SCell).
- PCell primary cell
- SCell secondary cell
- receiving the message sent on the second cell is received in the first
- the message sent on the spectrum corresponding to the second cell is received by the first cell (specifically, it can be a common control channel or a channel for carrying service data), that is, the channel is received by the spectrum corresponding to the first cell.
- the spectrum corresponding to the first cell may be an unlicensed spectrum, and/or the spectrum corresponding to the second cell may be a licensed spectrum.
- the frequency corresponding to the first cell may be a shared spectrum shared by the LTE system and other devices, and the other device may be a Wifi device.
- the second cell and the first cell may belong to the same base station.
- the second cell and the first cell may both belong to the same macro base station.
- the second cell and the first cell may also belong to different base stations.
- the second cell belongs to the macro base station
- the first cell belongs to the base station corresponding to the small cell (the low-power transmitting base station), where the small cell may include: a metro cell, a micro cell, and a micro cell.
- Pico cell Femto cell, Wireless Local Area Networks (WLAN) using Wireless Fidelity (Wi-Fi) technology, etc. These small cells have small coverage and transmission Low power, suitable for providing high-speed data transmission services.
- the common control channel may include at least one of a synchronization channel, a physical broadcast channel, a common control channel carrying a system information block, and a common control channel carrying a measurement.
- the system information block may be a system information block corresponding to the system information block type 1, or may be another type of system information block.
- the reference signals used to perform the measurements may be CSI-RS, CRS, DRS.
- the above mentioned notification message may include information required for demodulating the common control channel.
- the information required for demodulating the common control channel may include at least one of a resource location occupied by the common control channel, a modulation and coding scheme used for the common control channel, and transmission power information of the common control channel.
- the demodulation common control channel is used.
- the required information may include a time domain location of the synchronization signal carried by the synchronization channel, a frequency domain location, a code domain location, and a sequence form used by the synchronization signal.
- the information needed for demodulating the common control channel may include the time domain location occupied by the other common control channels, the frequency domain location, the sequence resources, and the modulation coding used. Scheme and transmission power information, etc.
- the information required for demodulating the common control channel in the embodiment of the present invention may be carried in the same notification message as the information indicating that the user equipment in the user equipment set detects the common control channel of the first cell on the first cell.
- the first notification message mentioned above may be a plurality of notification messages, and the one notification message bearer is used to indicate that the user equipment in the user equipment set detects the first on the first cell.
- the information of the common control channel of the cell, and another notification message includes information needed for demodulating the common control channel.
- the first notification message may also include only information for indicating that the user equipment in the user equipment set detects the common control channel of the first cell on the first cell.
- the foregoing notification message may be controlled by physical layer signaling and radio resource control (Radio Resource Control, RRC) bearer carried by at least one of broadcast signaling, RRC proprietary signaling, or Media Access Control (MAC) signaling.
- RRC Radio Resource Control
- MAC Media Access Control
- the notification message when the notification message (including the first notification message, the second notification message, the third notification message, or the fourth notification message) is carried by physical layer signaling, the notification message may be carried in the first Within the common search space of the two cells.
- the notification message is carried by the physical layer signaling, and the notification message may be quickly sent, and the notification message is carried in the common search space of the second cell, so that a group of user equipment, for example, All the user equipments of the service or a group of user equipments with multi-carrier aggregation capability can identify the notification message, and do not need to separately send notification messages for specific user equipments, thereby saving signaling overhead.
- the notification message when the foregoing notification message (including the first notification message, the second notification message, the third notification message, or the fourth notification message) is carried by physical layer signaling, the notification message may also be carried in User device-specific search space. That is, the base station may separately send a notification message carried by the physical layer signaling to a single user equipment, and carry the notification message in a specific search space of each user equipment.
- the foregoing notification message (including the first notification message, the second notification message, the third notification message, or the fourth notification message) may be referred to as cross-carrier scheduling signaling or common control signaling.
- the function of the present invention for indicating that the user equipment in the user equipment set detects the common control channel of the first cell on the first cell is within the protection scope of the present invention. Inside.
- the notification message mentioned above may also carry carrier activation information.
- a certain carrier for example, the first cell
- the notification message carrying the carrier activation information may also be other notification messages than the first notification message, the second notification message, the third notification message, and the fourth notification message, for example, the fifth notification message, and the fifth notification message is sent.
- the base station Before the first notification message, the second notification message, the third notification message or the fourth notification message, the base station first activates the first cell for the user equipment by using the fifth notification message, so that the user equipment can identify the first cell, and then And then, by using the first notification message, the second notification message, the third notification message, or the fourth notification message, the user equipment is notified to detect the common control channel sent on the first cell; or, the sending of the fifth notification message may be in the first notification message. After the second notification message, the third notification message, or the fourth notification message, before the user equipment is notified to perform service data demodulation, the base station first passes the first notification message, the second notification message, the third notification message, or the fourth notification.
- the message notifies the user equipment to detect the common control channel sent on the first cell, Sending a fifth message notification, the activation of the first cell for a user equipment, after notifying the traffic data transmitted on a first user equipment detects the cell, where detection may be understood to demodulate, for example, traffic data may be data bearer PDSCH.
- the carrier activation information is information that enables the user equipment to identify the carrier.
- the carrier activation information mentioned in the embodiment of the present invention is information that enables the user equipment to identify the first cell.
- the carrier activation information may also be referred to as carrier activation indication information, and it is within the scope of the present invention to perform the above functions regardless of the method.
- the operator information of the first cell may be carried in the notification message mentioned above, so that the user equipment can obtain the operator information of the first cell by receiving the notification message.
- the user equipment set may be all user equipments served by the base station; or may be a set of specific user equipments, for example, one or more user equipments with a relatively large amount of service data. If the user equipment in the user equipment set is a specific user equipment, the foregoing notification message may be carried by using RRC dedicated signaling.
- the user equipment 600 may correspond to the user equipment in the method 100 or 200, and may implement the corresponding functions implemented by the user equipment in the method 100 or 200.
- the base station sends a notification message to the user equipment to indicate that the common control channel is detected on the first cell by using the second cell, and may notify the user equipment that the first cell is used, and specifically notify the user.
- the device base station needs to send a common control channel on the first cell, and send a common control channel on the first cell, so that the user equipment detects the common control channel on the first cell, and the user equipment can obtain the demodulation of the common control channel.
- the common control information on the first cell provides necessary information for subsequent possible service data demodulation. Further, when determining that the first cell is in a usable state, the base station sends, by using the second cell, a notification message for indicating that the common control channel is detected on the first cell, and the user equipment is sent to the user equipment by using the first cell. Sending a common control channel can avoid mutual interference between the base station and other devices, such as Wifi devices, and can also increase resource competition opportunities of other devices. Thus, the shared spectrum can be reasonably used in the form of a cell configuration.
- the disclosed systems, devices, and methods may be implemented in other ways.
- the device embodiments described above are merely illustrative.
- the division of the unit is only a logical function division.
- there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not executed.
- the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be electrical, mechanical or otherwise.
- the units described as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solution of the embodiment.
- each functional unit in various embodiments of the present invention may be integrated into one processing unit
- each unit may exist physically separately, or two or more units may be integrated into one unit.
- the functions, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium.
- the technical solution of the present invention which is essential to the prior art or part of the technical solution, may be embodied in the form of a software product stored in a storage medium, including
- the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention.
- the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and the like, which can store program codes. .
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Abstract
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Priority Applications (6)
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CN201380001891.6A CN104782217B (zh) | 2013-09-30 | 2013-09-30 | 信息传输方法、基站和用户设备 |
JP2016518725A JP6350836B2 (ja) | 2013-09-30 | 2013-09-30 | 情報伝送方法、基地局、およびユーザ機器 |
PCT/CN2013/084709 WO2015042951A1 (zh) | 2013-09-30 | 2013-09-30 | 信息传输方法、基站和用户设备 |
KR1020167011281A KR101862492B1 (ko) | 2013-09-30 | 2013-09-30 | 정보 송신 방법, 기지국 및 사용자 장비 |
EP13894125.7A EP3043617A4 (en) | 2013-09-30 | 2013-09-30 | INFORMATION TRANSMISSION PROCEDURE, BASIC STATION AND USER DEVICE |
US15/085,469 US10411860B2 (en) | 2013-09-30 | 2016-03-30 | Information transmission method, base station, and user equipment |
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US11343792B2 (en) * | 2016-02-25 | 2022-05-24 | Telefonaktiebolaget Lm Ericsson (Publ) | Paging in unlicensed spectrum |
JP6788110B2 (ja) * | 2016-10-21 | 2020-11-18 | 京セラ株式会社 | マシン型通信(mtc)データおよびモバイルブロードバンドユーザ機器(ue)データのための共通位置依存制御情報の伝送 |
CN106454710B (zh) * | 2016-10-31 | 2021-11-16 | 宇龙计算机通信科技(深圳)有限公司 | 用于d2d通信的资源配置方法及资源配置装置、基站和终端 |
US10541771B2 (en) * | 2016-12-02 | 2020-01-21 | Qualcomm Incorporated | Techniques for transmitting or using a pull-in signal to locate a synchronization channel |
US10285120B2 (en) | 2016-12-02 | 2019-05-07 | Qualcomm Incorporated | Techniques and apparatuses for common search space determination |
CN108632984B (zh) * | 2017-03-24 | 2021-09-21 | 展讯通信(上海)有限公司 | 公共控制信道的配置及接收方法、装置 |
US10270573B2 (en) | 2017-05-16 | 2019-04-23 | Qualcomm Incorporated | Techniques and apparatuses for reusing remaining minimum system information configuration bits to signal a synchronization signal block location |
KR102405716B1 (ko) * | 2017-08-10 | 2022-06-03 | 지티이 코포레이션 | 공통 제어 블록의 통신 |
CN109474952B (zh) * | 2017-09-08 | 2021-09-03 | 维沃移动通信有限公司 | 一种参考信号的处理方法和用户终端 |
WO2019113834A1 (en) * | 2017-12-13 | 2019-06-20 | Qualcomm Incorporated | Techniques for downlink control channel location indication in wireless communications |
US10834773B2 (en) | 2018-09-28 | 2020-11-10 | At&T Intellectual Property I, L.P. | On-demand backhaul link management measurements for integrated access backhaul for 5G or other next generation network |
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- 2013-09-30 JP JP2016518725A patent/JP6350836B2/ja not_active Expired - Fee Related
- 2013-09-30 WO PCT/CN2013/084709 patent/WO2015042951A1/zh active Application Filing
- 2013-09-30 KR KR1020167011281A patent/KR101862492B1/ko active IP Right Grant
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2016
- 2016-03-30 US US15/085,469 patent/US10411860B2/en active Active
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JP6350836B2 (ja) | 2018-07-04 |
CN104782217A (zh) | 2015-07-15 |
KR20160065155A (ko) | 2016-06-08 |
KR101862492B1 (ko) | 2018-05-29 |
JP2016536846A (ja) | 2016-11-24 |
EP3043617A4 (en) | 2016-08-17 |
CN104782217B (zh) | 2019-09-27 |
EP3043617A1 (en) | 2016-07-13 |
US20160218847A1 (en) | 2016-07-28 |
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