CN110858988A - Transmission method and terminal equipment - Google Patents
Transmission method and terminal equipment Download PDFInfo
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- CN110858988A CN110858988A CN201810975154.0A CN201810975154A CN110858988A CN 110858988 A CN110858988 A CN 110858988A CN 201810975154 A CN201810975154 A CN 201810975154A CN 110858988 A CN110858988 A CN 110858988A
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/04—Error control
Abstract
The invention provides a transmission method and terminal equipment, wherein the transmission method comprises the following steps: and under the condition that the current transmission based on the beam cannot meet the transmission requirement, performing the secondary link transmission by using the resources in the abnormal resource pool. The scheme of the invention can use the abnormal resource pool to transmit the secondary link under the conditions of poor beam quality, beam failure recovery and the like, thereby ensuring the smooth operation of the transmission process of the secondary link.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a transmission method and a terminal device.
Background
Currently, a Long Term Evolution (LTE) system may support a sidelink (or called a sidelink, an edge link, or the like) for direct data transmission between terminal devices such as User Equipment (UE) without passing through a network device. The UE may send secondary link Control Information (SCI) through a Physical secondary link Control Channel (PSCCH), and schedule transmission of a Physical secondary link Shared Channel (PSCCH) to send data. The transmission may be in a broadcast form, and the receiving end does not feed back to the transmitting end whether the reception is successful.
The design of LTE sidelink is applicable to specific public safety affairs (emergency communication in disaster places such as fire places or earthquakes), or vehicle to internet (V2X) communication, etc. The V2X communication may include a variety of different services such as basic security class communication, advanced (automated) driving, formation, sensor extension, and so forth. Since LTE sidelink only supports broadcast communication, LTE sidelink is mainly used for basic security class communication, and other advanced V2X services can be supported through NRsidelink.
At present, V2X has a concept of "resource pool" for transmission, where the resource pool may be sent or preconfigured by the network side, and the resource pool may include resources used for transmission and many transmission-related parameters, such as an offset value of a first subframe of the resource pool, a bitmap file bitmap corresponding to the resource pool, whether PSCCH and PSCCH will be transmitted on adjacent radio bearers RB, the number of subchannels and the size of each subchannel, and a lowest RB index value corresponding to the subchannel, a lowest RB index value corresponding to the PSCCH resource pool, an S-RSSI threshold value measured by CBR, and a region identifier. In addition, the network device may configure an abnormal resource pool (exceptional pool) for the UE in addition to a normal transmission resource pool for the UE. The abnormal resource pool is mainly used in some special situations, such as during a handover procedure, during an RLF (radio link failure) or during a transition from an IDLE state IDLE to a CONNECTED state CONNECTED, and the like.
In a future 5G (5Generation, fifth Generation) mobile communication system, in order to achieve the target of 20Gbps for downlink transmission rate and 10Gbps for uplink transmission rate, high frequency communication and large-scale antenna technology will be introduced, and a beam mechanism will be introduced. After the 5G system introduces the beam mechanism, due to the vulnerability of the link, situations such as beam failure, poor beam quality, etc. may occur frequently, and the occurrence of these situations may affect the corresponding sidelink transmission.
However, for the situations of beam failure and poor beam quality caused by introducing the beam mechanism, there is no relevant method to clearly determine how to perform sidelink transmission so as to ensure the smooth performance of the sidelink transmission process of the UE.
Disclosure of Invention
The embodiment of the invention provides a transmission method and terminal equipment, aiming at solving the problem that how to perform secondary link transmission is not clear in the current situations of beam failure, poor beam quality and the like.
In a first aspect, an embodiment of the present invention provides a transmission method, applied to a terminal device, including:
and under the condition that the current transmission based on the beam cannot meet the transmission requirement, performing the secondary link transmission by using the resources in the abnormal resource pool.
In a second aspect, an embodiment of the present invention further provides a terminal device, including:
and the transmission module is used for performing the secondary link transmission by using the resources in the abnormal resource pool under the condition that the current transmission based on the wave beams cannot meet the transmission requirement.
In a third aspect, an embodiment of the present invention further provides a terminal device, including a memory, a processor, and a computer program stored on the memory and executable on the processor, where the computer program, when executed by the processor, implements the steps of the transmission method.
In a fourth aspect, the embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps of the transmission method described above.
In the embodiment of the invention, under the condition that the current transmission based on the wave beam can not meet the transmission requirement, the resources in the abnormal resource pool are used for performing the secondary link transmission, and the condition that the current transmission based on the wave beam can not meet the transmission requirement can comprise the conditions of poor wave beam quality, wave beam failure recovery and the like, so that the abnormal resource pool can be used for performing the secondary link transmission under the conditions of poor wave beam quality, wave beam failure recovery and the like, and the smooth operation of the secondary link transmission process is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.
Fig. 1 is a flow chart of a transmission method according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a terminal device according to an embodiment of the present invention;
fig. 3 is a second schematic structural diagram of a terminal device according to an embodiment of the present invention.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. In the description and in the claims "and/or" means at least one of the connected objects.
The techniques described herein are not limited to Long Time Evolution (LTE)/LTE Evolution (LTE-Advanced) systems, and may also be used for various wireless communication systems, such as Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Frequency Division Multiple Access (FDMA), Orthogonal Frequency Division Multiple Access (OFDMA), Single-carrier Frequency Division Multiple Access (SC-FDMA), and other systems. The terms "system" and "network" are often used interchangeably. CDMA systems may implement Radio technologies such as CDMA2000, Universal Terrestrial Radio Access (UTRA), and so on. UTRA includes Wideband CDMA (Wideband code division Multiple Access, WCDMA) and other CDMA variants. TDMA systems may implement radio technologies such as Global System for Mobile communications (GSM). The OFDMA system may implement radio technologies such as Ultra-Mobile Broadband (UMB), evolved-UTRA (E-UTRA), IEEE802.11(Wi-Fi), IEEE 802.16(WiMAX), IEEE 802.20, Flash-OFDM, etc. UTRA and E-UTRA are parts of the Universal Mobile Telecommunications System (UMTS). LTE and higher LTE (e.g., LTE-A) are new UMTS releases that use E-UTRA. UTRA, E-UTRA, UMTS, LTE-A, and GSM are described in documents from an organization named "third Generation partnership project" (3 GPP). CDMA2000 and UMB are described in documents from an organization named "third generation partnership project 2" (3GPP 2). The techniques described herein may be used for both the above-mentioned systems and radio technologies, as well as for other systems and radio technologies. However, the following description describes the NR system for exemplary purposes, and uses NR terminology in much of the following description, and those skilled in the art will understand that the embodiments are only examples and not limiting, and the technical solutions of the embodiments of the present invention can also be applied to applications other than NR system applications.
The following description provides examples and does not limit the scope, applicability, or configuration set forth in the claims. Changes may be made in the function and arrangement of elements discussed without departing from the spirit and scope of the disclosure. Various examples may omit, substitute, or add various procedures or components as appropriate. For example, the described methods may be performed in an order different than described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.
The wireless communication system of the embodiment of the invention comprises terminal equipment and network equipment. The terminal Device may also be referred to as a terminal or a User Equipment (UE), and the terminal Device may be a Mobile phone, a tablet Personal Computer (tablet Personal Computer), a Laptop Computer (Laptop Computer), a Personal Digital Assistant (PDA), a Mobile Internet Device (MID), a wearable Device (wearable Device), or a vehicle-mounted Device, and it should be noted that a specific type of the terminal is not limited in the embodiment of the present invention. The network device may be a Base Station or a core network, wherein the Base Station may be a 5G or later-version Base Station (e.g., a gNB, a 5G NR NB, etc.), or a Base Station in other communication systems (e.g., an eNB, a WLAN access point, or other access points, etc.), wherein the Base Station may be referred to as a node B, an evolved node B, an access point, a Base Transceiver Station (BTS), a radio Base Station, a radio Transceiver, a Basic Service Set (BSS), an Extended Service Set (ESS), a node B, an evolved node B (eNB), a home node B, a home evolved node B, a WLAN access point, a WiFi node, or some other suitable terminology in the field, and the Base Station is not limited to a specific technical vocabulary as long as the same technical effect is achieved.
Alternatively, in the 5G system, the terminal device may adopt a Dual Connectivity (DC) architecture (including two Cell Master groups (MCGs) and a Secondary Cell Group (SCGs)), where the MCG corresponds to a Master Node (Master Node, MN) on the network side and the SCG corresponds to a Secondary Node (Secondary Node, SN) on the network side. The MCG may include a primary cell PCell and a secondary cell SCell, and the SCG may include a primary secondary cell PSCell and a secondary cell SCell, where PCell and PSCell may also be collectively referred to as SpCell.
In the embodiment of the invention, the X in the internet of vehicles V2X may be a vehicle terminal, a peedestrian, a network device, or the like. P2X may be Pedestrian to X.
The transmission method of the present invention will be described below with reference to the embodiments and the drawings.
Referring to fig. 1, an embodiment of the present invention provides a transmission method, which is applied to a terminal device, and includes the following steps:
step 101: and under the condition that the current transmission based on the beam cannot meet the transmission requirement, performing the secondary link transmission by using the resources in the abnormal resource pool.
It should be noted that the current beam-based transmission may be a sidelink transmission performed using resources in a common transmission resource pool, or an uplink transmission performed on a Uu port. The situation that the current beam-based transmission cannot meet the transmission requirement may include poor beam quality, beam failure, recovery from beam failure, and radio link failure. The sub-link transmission using the resources in the abnormal resource pool may specifically be to transmit sub-link control information and corresponding data in the abnormal resource pool configured on the network side.
Optionally, step 101 may include: in the case that the current beam-based transmission cannot meet the transmission requirement, the resources in the abnormal resource pool are used for V2X sidelink transmission.
According to the transmission method provided by the embodiment of the invention, under the condition that the current transmission based on the wave beam can not meet the transmission requirement, the resources in the abnormal resource pool are used for performing the secondary link transmission, and the condition that the current transmission based on the wave beam can not meet the transmission requirement can comprise the conditions of poor wave beam quality, wave beam failure recovery and the like, so that the abnormal resource pool can be used for performing the secondary link transmission under the conditions of poor wave beam quality, wave beam failure recovery and the like, and the smooth operation of the secondary link transmission process is ensured.
In this embodiment of the present invention, optionally, before step 101, the method may further include:
receiving common transmission resource pool configuration information from a network device;
the configuration information of the common transmission resource pool comprises indication information for scheduling transmission resources.
It can be understood that the common transport resource pool configuration information may be carried by sidelink-related configuration information sent by the network device through a system message or a dedicated signaling (such as RRC Connection Reconfiguration), or carried by V2X sidelink-related configuration information sent by the network device through a system message or a dedicated signaling (such as RRC Connection Reconfiguration). When carried by the V2X sidelink related configuration information, the terminal device may use the resources in the abnormal resource pool for V2X sidelink transmission when the current beam-based transmission cannot meet the transmission requirement.
Optionally, the sidelink related configuration information may include at least one of the following:
common transmission resource pool configuration information;
indication information indicating whether the terminal device is allowed to use the configured dedicated resource pool (also called resource pool, common transmission resource pool) for relay (relay) -related sidelink transmission; wherein the indication information can be used for the sidelink transmission procedure.
Further, the common transmission resource pool configuration information is the configuration of the network device on the resource used by the terminal device for sidelink transmission, and the common transmission resource pool configuration information may include at least one of the following:
indication information for releasing transmission resources;
indication information for scheduling transmission resources;
the configuration information is used for the terminal equipment to select one resource pool configured at the network side.
Further, the indication information for scheduling the transmission resource may include at least one of the following:
radio Network Temporary Identity (RNTI) used for sidelink transmission;
media Access Control (MAC) layer related configuration information;
transmitting configuration information of a resource pool;
modulation and Coding Scheme (MCS) configuration information;
logical channel group priority information;
indication information indicating whether the terminal device will initiate multi-path transmission to different destinations within one secondary link control period (SC period);
and transmitting the relevant configuration information of the beam.
Further, when the configuration information of the common transmission resource pool includes indication information for scheduling transmission resources, the step 101 may include at least one of:
when the timer T310 is running and configuration information of an abnormal resource pool sent by a main cell which detects a physical layer problem is received, resources in the abnormal resource pool are used for performing secondary link transmission; wherein this configuration information may be sent via system messages or proprietary signaling;
when the timer T311 is running and configuration information of an abnormal resource pool sent by a primary cell in which a radio link failure occurs is received, performing secondary link transmission by using resources in the abnormal resource pool; wherein this configuration information may be sent via system messages or proprietary signaling;
when a timer T301 or a timer T3XX (mainly related to sending an RRC connection reestablishment request) is running and configuration information of an abnormal resource pool sent by a cell where the terminal equipment initiates connection reestablishment is received, performing secondary link transmission by using resources in the abnormal resource pool; wherein the configuration information may be sent via system messages;
when the timer T304 is running and configuration information of the abnormal resource pool sent by the network equipment is received, performing secondary link transmission by using resources in the abnormal resource pool;
when the beam transmitted based on the beam currently is in a beam failure process or a beam failure recovery process, performing secondary link transmission by using resources in an abnormal resource pool;
and when the signal measurement result of the beam transmitted based on the beam currently meets a preset condition, performing secondary link transmission by using resources in an abnormal resource pool.
Optionally, the timers T304, T310, T311, and T3XX may be timers in a 5G NR system, and the description of the timers T304, T310, and T311 can be found in the following table 1:
TABLE 1
Optionally, when the beam of the current beam-based transmission is in a beam failure process, performing the sidelink transmission by using the resource in the abnormal resource pool may include:
when the Beam Failure detection timer is running and/or the count value of a Beam Failure Instance (BFI) counter is larger than a first preset threshold value, performing secondary link transmission by using resources in the abnormal resource pool; the first preset threshold may be configured by the network device, agreed in advance by a protocol, or obtained by negotiating between the network device and the terminal device.
When the beam of the current beam-based transmission is in a beam failure recovery process, performing sidelink transmission using resources in an abnormal resource pool may include:
and when the beam failure recovery timer runs, using the resources in the abnormal resource pool to carry out the auxiliary link transmission.
It should be noted that the beam failure detection timer and the beam failure recovery timer may be timers preset according to a protocol specification, and the BFI counter may be a counter preset according to a protocol specification, which is not limited in this embodiment of the present invention.
Optionally, when the signal measurement result of the beam transmitted based on the current beam meets a preset condition, performing secondary link transmission by using a resource in an abnormal resource pool, where the secondary link transmission may include any one of the following:
when the Signal measurement value of one or more beams (namely the beams of the current beam-based transmission) based on the synchronous broadcast Signal Block (SS/PBCH Block) is smaller than a second preset threshold value, performing secondary link transmission by using the resources in the abnormal resource pool; the second preset threshold value may be configured by the network device, agreed in advance by a protocol, or obtained by negotiating between the network device and the terminal device;
when the Signal measurement value of one or more used beams (namely the beams transmitted based on the current beams) based on the Channel state information Reference Signal (CSI-RS) is smaller than a third preset threshold value, performing secondary link transmission by using the resources in the abnormal resource pool; the third preset threshold may be configured by the network device, agreed in advance by a protocol, or obtained by negotiating between the network device and the terminal device.
Further, the signal measurements may include at least one of:
reference Signal Receiving Power (RSRP), Reference Signal Receiving Quality (RSRQ), and Signal to interference plus Noise Ratio (SINR).
It should be noted that, before performing sidelink transmission by using the resources in the abnormal resource pool, the dedicated signaling or the system message received by the terminal device from the network device may include configuration information of the abnormal resource pool; if not, the terminal device may request the network device to allocate resources for sidelink transmission.
Further, when the configuration information of the common transmission resource pool includes configuration information related to the terminal device selecting a resource pool configured on the network side, and the configuration information includes a resource pool used by the terminal device in a connected state, if the resource pool has related priority information, the terminal device transmits the sidelink control information and corresponding data in one or more resource pools configured on the network side. If the resource pool has no related priority information, the terminal device transmits the sidelink control information and the corresponding data only in the resource pool indicated by one item of the resource pool information configured on the network side.
In this embodiment of the present invention, optionally, the V2X sidelink related configuration information may include at least one of the following:
common transmission resource pool configuration information;
synchronization and resource allocation indication information for V2X sidelink transmission on other frequency points except the service frequency point;
the V2X priority of the auxiliary link transmission over the threshold value of the uplink transmission;
the type information of the priority synchronous signal is transmitted by the V2X auxiliary link;
the V2X sidelink conveys congestion control related configuration information.
It should be noted that the threshold value for prioritizing the V2X sidelink transmission over uplink transmission, the type information of the V2X sidelink transmission priority synchronization signal, and the configuration information related to V2X sidelink transmission congestion control may be used in a specific V2X sidelink transmission process.
Further, the common transmission resource pool configuration information is the configuration of the network device on the resource used by the terminal device for V2X sidelink transmission, and the common transmission resource pool configuration information may include at least one of the following:
indication information for releasing transmission resources;
indication information for scheduling transmission resources;
the configuration information is used for the terminal equipment to select one resource pool configured at the network side.
Further, the indication information for scheduling the transmission resource may include at least one of the following:
RNTI used for sidelink transmission;
relevant configuration information of the MAC layer;
transmitting configuration information of a resource pool;
MCS configuration information;
logical channel group priority information;
transmitting beam related configuration information.
Further, when the general transmission resource pool configuration information includes indication information for scheduling transmission resources, in the case that the current beam-based transmission cannot meet the transmission requirement, the using the resources in the abnormal resource pool for the internet of vehicles V2X sidelink transmission may include at least one of:
when the timer T310 is running and configuration information of an abnormal resource pool sent by a primary cell PCell which detects a physical layer problem is received, performing V2X secondary link transmission by using resources in the abnormal resource pool; wherein this configuration information may be sent via system messages or proprietary signaling;
when the timer T311 runs and receives configuration information of an abnormal resource pool sent by a primary cell PCell with a radio link failure, performing V2X secondary link transmission by using resources in the abnormal resource pool; wherein this configuration information may be sent via system messages or proprietary signaling;
when a timer T301 or a timer T3XX (mainly related to sending RRC connection reestablishment requests) is running and configuration information of an abnormal resource pool sent by a cell where the terminal equipment initiates connection reestablishment is received, performing V2X sidelink transmission by using resources in the abnormal resource pool; wherein the configuration information may be sent via system messages;
when the timer T304 is running and configuration information of the abnormal resource pool sent by the network device is received, performing V2X sidelink transmission by using resources in the abnormal resource pool;
when the beam of the current beam-based transmission is in a beam failure process or a beam failure recovery process, performing V2X sidelink transmission by using resources in an abnormal resource pool;
and when the signal measurement result of the beam of the current beam-based transmission meets a preset condition, performing V2X sidelink transmission by using the resources in the abnormal resource pool.
Note that the timers T304, T310, T311, and T3XX may be timers in a 5G NR system, and the description of the timers T304, T310, and T311 can be referred to table 1.
Optionally, when the beam of the current beam-based transmission is in a beam failure process, performing V2X sidelink transmission by using the resource in the abnormal resource pool may include any one of the following:
when the beam failure detection timer is running and/or the count value of the BFI counter is greater than a first preset threshold value, performing V2X secondary link transmission by using resources in the abnormal resource pool; the first preset threshold may be configured by the network device, agreed in advance by a protocol, or obtained by negotiating between the network device and the terminal device.
When a beam of the current beam-based transmission is in a beam failure recovery process, performing V2X sidelink transmission using resources in an abnormal resource pool may include:
when the beam failure recovery timer is running, the resources in the abnormal resource pool are used for V2X sidelink transmission.
It should be noted that the beam failure detection timer and the beam failure recovery timer may be timers preset according to a protocol specification, and the BFI counter may be a counter preset according to a protocol specification, which is not limited in this embodiment of the present invention.
Optionally, when the signal measurement result of the beam transmitted based on the current beam meets a preset condition, performing V2X sidelink transmission by using a resource in an abnormal resource pool, where the resource may include any one of the following:
performing a V2X sidelink transmission using resources in the abnormal resource pool when signal measurements of one or more SS/PBCH block-based beams in use (i.e., beams of a current beam-based transmission) are less than a second preset threshold value; the second preset threshold value may be configured by the network device, agreed in advance by a protocol, or obtained by negotiating between the network device and the terminal device;
performing a V2X sidelink transmission using resources in the abnormal resource pool when a signal measurement value of one or more used CSI-RS based beams (i.e., beams of a current beam-based transmission) is less than a third preset threshold value; the third preset threshold may be configured by the network device, agreed in advance by a protocol, or obtained by negotiating between the network device and the terminal device.
Further, the signal measurements may include at least one of:
RSRP, RSRQ, and SINR.
Optionally, when the V2X sidelink related configuration information includes synchronization and resource configuration indication information for V2X sidelink transmission on other frequency points except for a serving frequency point, and the synchronization and resource configuration indication information for V2X sidelink transmission includes transmission resource pool configuration information related to V2X or P2X (peedestrian to X), performing V2X sidelink transmission using resources in an abnormal resource pool may include, under a condition that current beam-based transmission cannot meet a transmission requirement:
when the terminal device detects that the resources in the ordinary transmission resource pool are not available when performing V2X or P2X related transmission, and any one of the following conditions is satisfied, performing V2X sidelink transmission by using the resources in the abnormal resource pool:
the received switching related information in the special signaling comprises configuration information of an abnormal resource pool;
the received synchronization and resource configuration indication information for V2X sidelink transmission comprises configuration information of an abnormal resource pool;
the received system message of the primary cell includes configuration information of the abnormal resource pool.
The foregoing embodiment describes the transmission method of the present invention, and a terminal device corresponding to the transmission method of the present invention will be described below with reference to the embodiment and the drawings.
Referring to fig. 2, an embodiment of the present invention further provides a terminal device 2, including:
a transmission module 21, configured to use resources in the abnormal resource pool to perform sidelink transmission when the current beam-based transmission cannot meet the transmission requirement.
The terminal device of the embodiment of the invention uses the resources in the abnormal resource pool to transmit the secondary link under the condition that the current transmission based on the wave beam can not meet the transmission requirement, and because the condition that the current transmission based on the wave beam can not meet the transmission requirement can comprise the conditions of poor wave beam quality, wave beam failure recovery and the like, the terminal device can use the abnormal resource pool to transmit the secondary link under the conditions of poor wave beam quality, wave beam failure recovery and the like, thereby ensuring the smooth operation of the transmission process of the secondary link.
In this embodiment of the present invention, optionally, the transmission module 21 may be specifically configured to:
in the case that the current beam-based transmission cannot meet the transmission requirement, the resources in the abnormal resource pool are used for the vehicle networking V2X sidelink transmission.
Optionally, the terminal device may further include:
a receiving module, configured to receive common transmission resource pool configuration information from a network device;
the configuration information of the common transmission resource pool comprises indication information for scheduling transmission resources.
Optionally, the transmission module 21 may be specifically configured to perform at least one of the following:
when the timer T310 is running and configuration information of an abnormal resource pool sent by a main cell which detects a physical layer problem is received, resources in the abnormal resource pool are used for performing secondary link transmission;
when the timer T311 is running and configuration information of an abnormal resource pool sent by a primary cell in which a radio link failure occurs is received, performing secondary link transmission by using resources in the abnormal resource pool;
when the timer T301 or the timer T3XX is running and configuration information of an abnormal resource pool sent by a cell initiating connection reestablishment at the terminal equipment is received, performing secondary link transmission by using resources in the abnormal resource pool;
when the timer T304 is running and configuration information of the abnormal resource pool sent by the network equipment is received, performing secondary link transmission by using resources in the abnormal resource pool;
when the beam transmitted based on the beam currently is in a beam failure process or a beam failure recovery process, performing secondary link transmission by using resources in an abnormal resource pool;
and when the signal measurement result of the beam transmitted based on the beam currently meets a preset condition, performing secondary link transmission by using resources in an abnormal resource pool.
Optionally, the transmission module 21 may be specifically configured to execute any one of the following:
when the wave beam failure detection timer is running and/or the counting value of the wave beam failure instance counter is larger than a first preset threshold value, performing secondary link transmission by using resources in the abnormal resource pool;
and when the beam failure recovery timer runs, using the resources in the abnormal resource pool to carry out the auxiliary link transmission.
Optionally, the transmission module 21 may be specifically configured to execute any one of the following:
when the signal measurement value of one or more used beams based on the SS/PBCH block is smaller than a second preset threshold value, performing secondary link transmission by using resources in the abnormal resource pool;
and when the signal measurement value of one or more used beams based on the CSI-RS is smaller than a third preset threshold value, performing secondary link transmission by using resources in the abnormal resource pool.
Optionally, the signal measurement value includes at least one of:
RSRP, RSRQ, and SINR.
Optionally, when performing sidelink transmission by using resources in the abnormal resource pool, the indication information for scheduling transmission resources includes at least one of the following items:
RNTI used for sidelink transmission;
relevant configuration information of the MAC layer;
transmitting configuration information of a resource pool;
MCS configuration information;
logical channel group priority information;
indication information indicating whether the terminal device will initiate multiplex transmission to different destinations within one sidelink control period;
and transmitting the relevant configuration information of the beam.
Optionally, when resources in the abnormal resource pool are used for V2X sidelink transmission, the indication information for scheduling transmission resources includes at least one of the following:
RNTI used for sidelink transmission;
relevant configuration information of the MAC layer;
transmitting configuration information of a resource pool;
MCS configuration information;
logical channel group priority information;
and transmitting the relevant configuration information of the beam.
Optionally, the receiving module may further be configured to:
receiving synchronization and resource allocation indication information for V2X sidelink transmission on other frequency points except for a service frequency point from network equipment; wherein, the synchronization and resource allocation indication information for V2X sidelink transmission includes transmission resource pool allocation information related to V2X or P2X;
the transmission module 21 may be specifically configured to:
when the terminal device detects that the resources in the ordinary transmission resource pool are not available when performing V2X or P2X related transmission, and any one of the following conditions is satisfied, performing V2X sidelink transmission by using the resources in the abnormal resource pool:
the received switching related information in the special signaling comprises configuration information of an abnormal resource pool;
the received synchronization and resource configuration indication information for V2X sidelink transmission comprises configuration information of an abnormal resource pool;
the received system message of the primary cell includes configuration information of the abnormal resource pool.
In addition, an embodiment of the present invention further provides a terminal device, including a processor, a memory, and a computer program stored in the memory and capable of running on the processor, where the computer program, when executed by the processor, implements each process of the transmission method embodiment, and can achieve the same technical effect, and is not described herein again to avoid repetition.
Specifically, fig. 3 is a schematic diagram of a hardware structure of a terminal device for implementing various embodiments of the present invention, where the terminal device 300 includes, but is not limited to: radio frequency unit 301, network module 302, audio output unit 303, input unit 304, sensor 305, display unit 306, user input unit 307, interface unit 308, memory 309, processor 310, and power supply 311. Those skilled in the art will appreciate that the terminal structure shown in fig. 3 does not constitute a limitation of the terminal, and that the terminal device may include more or fewer components than those shown, or may combine certain components, or a different arrangement of components. In the embodiment of the present invention, the terminal device includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted terminal, a wearable device, a pedometer, and the like.
The processor 310 is configured to use resources in the abnormal resource pool to perform sidelink transmission when the current beam-based transmission cannot meet the transmission requirement.
In the terminal device 300 in the embodiment of the present invention, when the current transmission based on the beam cannot meet the transmission requirement, the resource in the abnormal resource pool is used for performing the sidelink transmission, and since the situation that the current transmission based on the beam cannot meet the transmission requirement may include the situations of poor beam quality, beam failure recovery, and the like, the terminal device may use the abnormal resource pool for performing the sidelink transmission under the situations of poor beam quality, beam failure recovery, and the like, thereby ensuring the smooth performance of the sidelink transmission process.
It should be understood that, in the embodiment of the present invention, the radio frequency unit 301 may be used for receiving and sending signals during a message sending and receiving process or a call process, and specifically, receives downlink data from a base station and then processes the received downlink data to the processor 310; in addition, the uplink data is transmitted to the base station. In general, radio frequency unit 301 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 301 can also communicate with a network and other devices through a wireless communication system.
The terminal device provides the user with wireless broadband internet access through the network module 302, such as helping the user send and receive e-mails, browse webpages, access streaming media, and the like.
The audio output unit 303 may convert audio data received by the radio frequency unit 301 or the network module 302 or stored in the memory 309 into an audio signal and output as sound. Also, the audio output unit 303 may also provide audio output related to a specific function performed by the terminal device 300 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 303 includes a speaker, a buzzer, a receiver, and the like.
The input unit 304 is used to receive audio or video signals. The input Unit 304 may include a Graphics Processing Unit (GPU) 3041 and a microphone 3042, and the Graphics processor 3041 processes image data of a still picture or video obtained by an image capturing apparatus (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 306. The image frames processed by the graphic processor 3041 may be stored in the memory 309 (or other storage medium) or transmitted via the radio frequency unit 301 or the network module 302. The microphone 3042 may receive sounds and may be capable of processing such sounds into audio data. The processed audio data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 301 in case of the phone call mode.
The terminal device 300 further comprises at least one sensor 305, such as light sensors, motion sensors and other sensors. Specifically, the light sensor includes an ambient light sensor that adjusts the brightness of the display panel 3061 according to the brightness of ambient light, and a proximity sensor that turns off the display panel 3061 and/or a backlight when the terminal device 300 is moved to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally three axes), detect the magnitude and direction of gravity when stationary, and can be used to identify the terminal posture (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration identification related functions (such as pedometer, tapping), and the like; the sensors 305 may also include fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, infrared sensors, etc., which are not described in detail herein.
The display unit 306 is used to display information input by the user or information provided to the user. The Display unit 306 may include a Display panel 3061, and the Display panel 3061 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.
The user input unit 307 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the terminal. Specifically, the user input unit 307 includes a touch panel 3071 and other input devices 3072. The touch panel 3071, also referred to as a touch screen, may collect touch operations by a user on or near the touch panel 3071 (e.g., operations by a user on or near the touch panel 3071 using a finger, a stylus, or any suitable object or attachment). The touch panel 3071 may include two parts of a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 310, and receives and executes commands sent by the processor 310. In addition, the touch panel 3071 may be implemented using various types, such as resistive, capacitive, infrared, and surface acoustic wave. The user input unit 307 may include other input devices 3072 in addition to the touch panel 3071. Specifically, the other input devices 3072 may include, but are not limited to, a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described herein.
Further, the touch panel 3071 may be overlaid on the display panel 3061, and when the touch panel 3071 detects a touch operation on or near the touch panel, the touch operation is transmitted to the processor 310 to determine the type of the touch event, and then the processor 310 provides a corresponding visual output on the display panel 3061 according to the type of the touch event. Although the touch panel 3071 and the display panel 3061 are shown as two separate components in fig. 3 to implement the input and output functions of the terminal, in some embodiments, the touch panel 3071 and the display panel 3061 may be integrated to implement the input and output functions of the terminal, which is not limited herein.
The interface unit 308 is an interface for connecting an external device to the terminal apparatus 300. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 308 may be used to receive input (e.g., data information, power, etc.) from an external device and transmit the received input to one or more elements within the terminal apparatus 300 or may be used to transmit data between the terminal apparatus 300 and an external device.
The memory 309 may be used to store software programs as well as various data. The memory 309 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 309 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The processor 310 is a control center of the terminal device, connects various parts of the entire terminal device using various interfaces and lines, and performs various functions of the terminal device and processes data by operating or executing software programs and/or modules stored in the memory 309 and calling data stored in the memory 309, thereby performing overall monitoring of the terminal device. Processor 310 may include one or more processing units; preferably, the processor 310 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 310.
In addition, the terminal device 300 may further include some functional modules that are not shown, and are not described herein again.
The embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the computer program can implement each process of the transmission method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here. The computer-readable storage medium is, for example, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (19)
1. A transmission method is applied to a terminal device, and is characterized by comprising the following steps:
and under the condition that the current transmission based on the beam cannot meet the transmission requirement, performing the secondary link transmission by using the resources in the abnormal resource pool.
2. The transmission method according to claim 1, wherein the performing sidelink transmission using resources in the abnormal resource pool comprises:
and using the resources in the abnormal resource pool to perform the auxiliary link transmission of the Internet of vehicles V2X.
3. The transmission method according to claim 1 or 2, wherein before the performing the sidelink transmission using the resource in the abnormal resource pool, the method further comprises:
receiving common transmission resource pool configuration information from a network device;
the configuration information of the common transmission resource pool comprises indication information for scheduling transmission resources.
4. The transmission method according to claim 3, wherein the situation that the current beam-based transmission cannot meet the transmission requirement comprises at least one of:
the timer T310 is running and receives the configuration information of the abnormal resource pool sent by the main cell which detects the physical layer problem;
the timer T311 is running, and receives configuration information of an abnormal resource pool sent by a primary cell in which a radio link failure occurs;
the timer T301 or the timer T3XX is running, and the configuration information of the abnormal resource pool sent by the cell which initiates connection reestablishment at the terminal equipment is received;
the timer T304 is running and receives the configuration information of the abnormal resource pool sent by the network device.
5. The transmission method according to claim 3, wherein the situation that the current beam-based transmission cannot meet the transmission requirement comprises at least one of:
the beam of the current beam-based transmission is in a beam failure process;
the beam of the current beam-based transmission is in a beam failure recovery process;
the signal measurement results of the beams of the current beam-based transmission satisfy a preset condition.
6. The transmission method according to claim 5, wherein the beam of the current beam-based transmission is in a beam failure procedure comprising:
the beam failure detection timer is running and/or the count value of the beam failure instance counter is greater than a first preset threshold value.
7. The transmission method according to claim 5, wherein the beam of the current beam-based transmission is in a beam failure recovery procedure comprising:
the beam failure recovery timer is running.
8. The transmission method according to claim 5, wherein the signal measurement result of the beam of the current beam-based transmission satisfies a preset condition, including any one of:
signal measurements of one or more beams of a synchronization broadcast signal block SS/PBCH block based used by the current beam-based transmission are less than a second preset threshold;
the signal measurement values of one or more beams based on channel state information reference signals, CSI-RS, used by the current beam-based transmission are less than a third preset threshold value.
9. The transmission method according to claim 8, wherein the signal measurements comprise at least one of:
reference signal received power, RSRP, reference signal received quality, RSRQ, and signal to interference plus noise ratio, SINR.
10. The transmission method according to claim 3, wherein when performing sidelink transmission using resources in an abnormal resource pool, the indication information for scheduling transmission resources includes at least one of the following:
a Radio Network Temporary Identifier (RNTI) used for secondary link transmission;
relevant configuration information of a media intervention control MAC layer;
transmitting configuration information of a resource pool;
modulation and Coding Scheme (MCS) configuration information;
logical channel group priority information;
indication information indicating whether the terminal device will initiate multiplex transmission to different destinations within one sidelink control period;
and transmitting the relevant configuration information of the beam.
11. The transmission method according to claim 3, wherein when the resources in the abnormal resource pool are used for V2X sidelink transmission, the indication information for scheduling transmission resources includes at least one of the following:
RNTI used for sidelink transmission;
relevant configuration information of the MAC layer;
transmitting configuration information of a resource pool;
MCS configuration information;
logical channel group priority information;
and transmitting the relevant configuration information of the beam.
12. The transmission method according to claim 2, wherein before the V2X sidelink transmission using the resource in the abnormal resource pool, the method further comprises:
receiving synchronization and resource allocation indication information for V2X sidelink transmission on other frequency points except for a service frequency point from network equipment; wherein, the synchronization and resource allocation indication information for V2X sidelink transmission includes transmission resource pool allocation information related to V2X or P2X;
the situation where the current beam-based transmission cannot meet the transmission requirements includes:
the terminal device detects that the resources in the common transmission resource pool are not available when carrying out V2X or P2X related transmission, and satisfies any one of the following conditions:
the received switching related information in the special signaling comprises configuration information of an abnormal resource pool;
the received synchronization and resource configuration indication information for V2X sidelink transmission comprises configuration information of an abnormal resource pool;
the received system message of the primary cell includes configuration information of the abnormal resource pool.
13. A terminal device, comprising:
and the transmission module is used for performing the secondary link transmission by using the resources in the abnormal resource pool under the condition that the current transmission based on the wave beams cannot meet the transmission requirement.
14. The terminal device of claim 13, wherein the condition that the current beam-based transmission fails to meet the transmission requirement comprises at least one of:
the beam of the current beam-based transmission is in a beam failure process;
the beam of the current beam-based transmission is in a beam failure recovery process;
the signal measurement results of the beams of the current beam-based transmission satisfy a preset condition.
15. The terminal device of claim 14, wherein the beam of the current beam-based transmission is in a beam failure procedure comprising:
the beam failure detection timer is running and/or the count value of the beam failure instance counter is greater than a first preset threshold value.
16. The terminal device of claim 14, wherein the beam of the current beam-based transmission is in a beam failure recovery procedure comprising:
the beam failure recovery timer is running.
17. The terminal device according to claim 14, wherein the signal measurement result of the beam of the current beam-based transmission satisfies a preset condition, including any one of:
signal measurements of one or more SS/PBCH block-based beams used for the current beam-based transmission are less than a second preset threshold;
the signal measurements of the one or more CSI-RS based beams used for the current beam-based transmission are less than a third preset threshold value.
18. A terminal device comprising a memory, a processor, a computer program stored on the memory and executable on the processor, characterized in that the computer program, when executed by the processor, implements the steps of the transmission method according to any one of claims 1 to 12.
19. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the transmission method according to one of claims 1 to 12.
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| CN201810975154.0A CN110858988B (en) | 2018-08-24 | 2018-08-24 | Transmission method and terminal equipment |
| PCT/CN2019/101021 WO2020038294A1 (en) | 2018-08-24 | 2019-08-16 | Transmission method and terminal device |
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| CN201810975154.0A CN110858988B (en) | 2018-08-24 | 2018-08-24 | Transmission method and terminal equipment |
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| CN115517000A (en) * | 2020-05-07 | 2022-12-23 | 联想(北京)有限公司 | Method and apparatus for sidelink communication during fast MCG link recovery procedure |
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| CN110858988B (en) | 2022-02-01 |
| WO2020038294A1 (en) | 2020-02-27 |
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