WO2022022713A1 - 上行定时提前值处理方法、装置及终端 - Google Patents

上行定时提前值处理方法、装置及终端 Download PDF

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Publication number
WO2022022713A1
WO2022022713A1 PCT/CN2021/109834 CN2021109834W WO2022022713A1 WO 2022022713 A1 WO2022022713 A1 WO 2022022713A1 CN 2021109834 W CN2021109834 W CN 2021109834W WO 2022022713 A1 WO2022022713 A1 WO 2022022713A1
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Prior art keywords
value
uplink
random access
uplink resource
access procedure
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English (en)
French (fr)
Inventor
吴昱民
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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Priority to EP21850828.1A priority Critical patent/EP4192135A4/en
Priority to JP2023503443A priority patent/JP7607371B2/ja
Publication of WO2022022713A1 publication Critical patent/WO2022022713A1/zh
Priority to US18/104,040 priority patent/US20230180303A1/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/08Non-scheduled access, e.g. ALOHA
    • H04W74/0866Non-scheduled access, e.g. ALOHA using a dedicated channel for access
    • H04W74/0891Non-scheduled access, e.g. ALOHA using a dedicated channel for access for synchronized access
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W56/00Synchronisation arrangements
    • H04W56/004Synchronisation arrangements compensating for timing error of reception due to propagation delay
    • H04W56/0045Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by altering transmission time
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W56/00Synchronisation arrangements
    • H04W56/0055Synchronisation arrangements determining timing error of reception due to propagation delay
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/08Non-scheduled access, e.g. ALOHA
    • H04W74/0833Random access procedures, e.g. with 4-step access
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/08Non-scheduled access, e.g. ALOHA
    • H04W74/0833Random access procedures, e.g. with 4-step access
    • H04W74/0838Random access procedures, e.g. with 4-step access using contention-free random access [CFRA]

Definitions

  • the present application belongs to the field of communication technologies, and in particular relates to a method, device and terminal for processing an uplink timing advance TA value.
  • the network side releases the user terminal (User Equipment, UE) from the connected state to the IDLE/INACTIVE state, the context configuration information of the UE is retained.
  • the UE wants to send small data, if the system message on the network side indicates that the small data is supported For data transmission (for example, supporting the transmission of small data less than 10Kbyte), the UE in IDLE/INACTIVE state configures the dedicated uplink PUSCH resources through the network (for example, pre-configured PUSCH (pre-configured PUSCH); or, pre-assigned uplink Resource (Preallocated Uplink Resource, PUR)) directly sends small data to the network side.
  • the network configures a dedicated Physical Uplink Shared Channel (PUSCH) resource, it will specify the Uplink Timing Advance (TA) corresponding to the uplink transmission of the dedicated PUSCH resource.
  • PUSCH Physical Uplink Shared Channel
  • TA Uplink Timing Advance
  • the network side specifies the uplink TA value for the UE, if the UE triggers the random access process, the UE will obtain a new uplink TA value, and how to deal with these two different uplink timing values can make the network side and the UE side Understanding consistency is the problem that needs to be solved.
  • the purpose of the embodiments of the present application is to provide a method, device and terminal for processing an uplink timing advance TA value, which can solve the problem of how to make the network side and the UE side understand the TA value in the same way when two different TA values appear. .
  • a method for processing an uplink timing advance TA value is provided, which is applied to a terminal, and the method includes:
  • the first TA value and/or the second TA value are applied in a preset processing manner, wherein the first TA is configured by the network side device, and the first TA is the first uplink resource
  • the corresponding uplink timing advance value, the second TA value is the uplink timing advance value received during the random access process.
  • a device for processing an uplink timing advance TA value comprising: a processing module configured to apply the first TA value and/or the second TA value in a preset processing manner after triggering a random access procedure,
  • the first TA is configured by the network side device, and the first TA is the uplink timing advance value corresponding to the first uplink resource, and the second TA value is received during the random access process Upstream timing advance value.
  • a terminal in a third aspect, includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, when the program or instruction is executed by the processor.
  • a readable storage medium is provided, and a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the steps of the method according to the first aspect are implemented.
  • a fifth aspect provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a network-side device program or instruction, implementing the method described in the first aspect. method described.
  • the network side and the UE side can have the same understanding.
  • FIG. 1 is a block diagram of a wireless communication system to which an embodiment of the present application can be applied;
  • FIG. 2 is a flowchart of a method for processing an uplink TA value provided by an embodiment of the present application
  • FIG. 3 is a structural diagram of an apparatus for processing an uplink TA value provided by an embodiment of the present application
  • FIG. 4 is a structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 5 is a structural diagram of a terminal provided by an embodiment of the present application.
  • first, second and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and "first”, “second” distinguishes Usually it is a class, and the number of objects is not limited.
  • the first object may be one or multiple.
  • “and/or” in the description and claims indicates at least one of the connected objects, and the character “/" generally indicates that the associated objects are in an "or” relationship.
  • LTE Long Term Evolution
  • LTE-Advanced LTE-Advanced
  • LTE-A Long Term Evolution
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • system and “network” in the embodiments of the present application are often used interchangeably, and the described technology can be used not only for the above-mentioned systems and radio technologies, but also for other systems and radio technologies.
  • NR New Radio
  • 6G 6th Generation
  • FIG. 1 shows a block diagram of a wireless communication system to which the embodiments of the present application can be applied.
  • the wireless communication system includes a terminal 11 and a network-side device 12 .
  • the terminal 11 may also be called a terminal device or a user terminal (User Equipment, UE), and the terminal 11 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital computer Assistant (Personal Digital Assistant, PDA), PDA, Netbook, Ultra-mobile Personal Computer (UMPC), Mobile Internet Device (MID), Wearable Device (Wearable Device) or vehicle-mounted device (VUE), pedestrian terminal (PUE) and other terminal-side devices, and wearable devices include: bracelets, headphones, glasses, etc.
  • PDA Personal Digital Assistant
  • MID Mobile Internet Device
  • MID Wearable Device
  • VUE vehicle-mounted device
  • PUE pedestrian terminal
  • the network side device 12 may be a base station or a core network, 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 (Basic Service Set, BSS), Extended Service Set (Extended Service Set, ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, WLAN Access Point, WiFi Node, Send Transmitting Receiving Point (TRP) or some other suitable term in the field, as long as the same technical effect is achieved, the base station is not limited to specific technical terms.
  • the base station in the NR system is taken as an example, but the specific type of the base station is not limited.
  • FIG. 2 is a flowchart of a method for processing an uplink timing advance TA value provided by an embodiment of the present application.
  • the method for processing an uplink TA value in the embodiment of the present application may be applied to a terminal.
  • the processing method may include the following steps:
  • Step 201 Apply the first TA value and/or the second TA value in a preset processing manner after triggering the random access procedure.
  • the first TA is configured by the network side device, and the first TA is the uplink timing advance value corresponding to the first uplink resource, and the second TA value is received during the random access process Upstream timing advance value.
  • the UE may determine the position of the subframe of the downlink signal.
  • the network needs to ensure that signals sent by different UEs arrive at a fixed time. Therefore, the network side needs to configure an uplink timing advance, that is, a TA value, for the uplink transmission of the UE.
  • an uplink timing advance that is, a TA value
  • the UE After the UE receives the TA value, if the UE wants to send an uplink signal, the UE sends the uplink signal in advance of the TA time value with reference to the downlink subframe position.
  • the first uplink resource is configured by the network-side device, and the first uplink resource may be a dedicated physical uplink shared channel PUSCH resource (for example, pre-configured PUSCH or PUR), and the dedicated PUSCH resource is used when idle In the state or inactive state, the small data (small data) is directly sent to the network side device.
  • the first TA value is configured by the network side for the UE, and the first TA value is an uplink TA value used when the first uplink resource performs uplink transmission.
  • the first uplink resource and the first TA may be configured by the network side to the UE together, and of course, may also be configured separately, which is not specifically limited in this embodiment.
  • the network side may configure a pur-Config for the UE in the RRCRelease message, where the pur-Config includes the above-mentioned dedicated PUSCH resource and an uplink TA value used for uplink transmission of the PUSCH resource.
  • the network when the network configures the first uplink resource, it not only specifies the uplink timing advance corresponding to the uplink transmission of the first uplink resource (that is, the first TA value), but also configures whether an uplink timing advance is available.
  • Judgment timer for example, pur-TimeAlignmentTimer
  • the UE will start the timer after receiving the first TA value corresponding to the first uplink resource indicated by the network configuration. When the timer expires, it will consider the corresponding first uplink resource. No longer available.
  • the UE regarding the acquisition of the second TA value in the random access process, the UE only needs to acquire the TA value in the uplink out-of-synchronization state. Therefore, the UE can trigger the UE itself or the network side can trigger the UE to initiate the random access process. The side issues the TA value to the UE in the random access response.
  • the network side may set a timer (for example, timeAlignmentTimer) for the TA value of the UE. It is started when the TA is delivered to the UE, and the network side delivers a new TA value to the UE before the timeAlignmentTimer times out.
  • timeAlignmentTimer set by the network side, it starts or restarts when the TA value is received. After the timeAlignmentTimer timer expires, the TA value is considered to be invalid, and the UE behaves in an out-of-synchronization state, and can no longer send uplink signals in the uplink out-of-synchronization cell.
  • the UE may receive the second TA value before the random access procedure is successfully completed.
  • the TA value specified by the Timing Advance Command (TAC) is received in Msg2 of the 4-step random access procedure (or MsgB (eg, fallbackRAR) of the 2-step random access procedure).
  • TAC Timing Advance Command
  • MsgB eg, fallbackRAR
  • the first TA value and/or the second TA value is applied according to a preset processing method, which specifically includes the following processing methods:
  • Manner 1 After triggering the random access process or after the random access process is completed, stop using the first TA value to send uplink signals.
  • the triggering of the random access process may be after the configuration of the first uplink resource and the first TA value is received.
  • the UE after triggering the random access procedure, the UE considers that the uplink timing of the first uplink resource is no longer available, and stops using the first TA value to send uplink signals. For example, if the UE triggers a 4-step random access procedure (or a 2-step random access procedure), the UE considers that the first TA value corresponding to the first uplink resource is no longer available, and stops using the first TA value to send uplink signals.
  • the UE may also consider that the uplink timing of the first uplink resource is no longer available after the random access process is completed, and stop using the first TA value to send uplink signals. For example, the UE receives the second TA value in Msg2 of the 4-step random access procedure (or MsgB of the 2-step random access procedure), but stops sending the uplink using the first TA value after the random access procedure is completed. Signal. It should be noted that, after the above random access process is completed, it can be understood that the random access process is successfully completed.
  • the stopping using the first TA value to send the uplink signal includes at least one of the following: releasing the first uplink resource; determining that the timer corresponding to the first uplink resource expires .
  • the uplink timing advance timer eg, pur-TimeAlignmentTimer
  • the first TA value and/or the second TA value is applied in a preset processing manner, including: after the random access process is triggered or after the random access process is completed, An uplink signal is sent using the second TA value.
  • the UE stops sending uplink signals using the first TA value, and uses the second TA value to send uplink signals after triggering the random access procedure.
  • the UE stops sending uplink signals using the first TA value after the random access process is completed, and sends uplink signals using the second TA value after the random access process is completed.
  • the UE receives the second TA value in Msg2 of the 4-step random access procedure, or MsgB of the 2-step random access procedure, but still uses the first TA value to send the uplink signal during the random access procedure.
  • the first TA value is used to send the uplink signal, and after the random access process is completed, the uplink signal is sent using the second TA value received during the random access process.
  • the UE after receiving the second TA value, stops using the first TA value to send uplink signals, and uses the second TA value to send uplink signals. For example, the UE receives the second TA value in Msg2 of the 4-step random access procedure, or MsgB of the 2-step random access procedure, and after receiving the second TA value, stops using the first TA value to send uplink signals, And use the second TA value received in the random access process to send the uplink signal.
  • Manner 2 the applying the first TA value and/or the second TA value according to the preset processing method includes: in the case where the second TA value is received and the first TA value is still valid, not using the first TA value and/or the second TA value The second TA value is used to send the uplink signal.
  • the sending an uplink signal without using the second TA value includes any one of the following: ignoring or discarding the second TA value; sending a random access procedure without using the second TA value up signal in .
  • the method further includes: using the first TA value to send an uplink signal during the random access process or after the random access process is completed; or,
  • the sending the uplink signal in the random access process without using the second TA value includes at least one of the following: using the first TA value to send the uplink signal in the random access process or after the random access process is completed; saving the The second TA value is used to send the uplink signal after the random access process is completed.
  • the second TA value when the second TA value is received and the first TA value is still valid, the second TA value is ignored or discarded, and the first TA value is used to send the random access process or The uplink signal after the random access procedure is completed.
  • the UE receives the second TA value in Msg2 of the 4-step random access procedure, the UE does not use the second TA value, but sends the Msg3 using the first TA value.
  • the UE receives the second TA value in Msg2 of the 4-step random access process, and the UE does not use the second TA value.
  • the UE uses the first TA value to send Msg4 corresponding to The hybrid automatic repeat request (Hybrid Automatic Repeat reQuest, HARQ) feedback information.
  • Hybrid Automatic Repeat reQuest Hybrid Automatic Repeat reQuest
  • the UE in the case where the second TA value is received and the first TA value is still valid, in the random access process, the UE does not use the second TA value to send uplink signals, However, the UE saves the received second TA value, and uses the second TA value to send an uplink signal after the random access procedure is completed.
  • “save” can be understood as “temporary storage” or storage but not use.
  • the UE receives the second TA value in Msg2 of random access in step 4, and the UE does not use it but temporarily stores the second TA value. After the random access process is completed, the UE uses the temporarily stored second TA value to send HARQ feedback information corresponding to Msg4.
  • the timer corresponding to the first TA value (for example, pur-TimeAlignmentTimer) does not time out, it may be considered that the first TA value is still valid. For example, if pur-TimeAlignmentTimer) times out, it can be considered that the first TA value is invalid.
  • the application of the first TA value and/or the second TA value according to the preset processing mode includes at least one of the following:
  • the uplink signal on the first uplink resource is not sent using the second TA value.
  • the sending of the uplink signal on the first uplink resource without using the second TA value includes at least one of the following:
  • the timer corresponding to the second TA value is different from the timer corresponding to the first uplink resource.
  • the uplink TA value used in the random access process is different from the uplink TA value used by the first uplink resource.
  • the UE receives the th Two TA values, the UE uses the second TA value specified by the TAC to send the uplink signal (eg, Msg3) of the random access process, but the second TA value specified by the TAC is not used to update the corresponding uplink transmission of the first uplink resource.
  • TA value ie, the first TA value).
  • the uplink timer used in the random access process is different from the uplink timer used by the first uplink resource.
  • the UE receives the second TA value specified by the TAC in Msg2 of the 4-step random access procedure (or MsgB (eg, fallbackRAR) of the 2-step random access procedure)
  • the UE starts the timeAlignmentTimer timer (the timeAlignmentTimer timer). If it times out, it is considered that the second TA value specified by the TAC is unavailable), and the timeAlignmentTimer timer corresponding to the second TA value is used for sending Msg3.
  • the UE keeps the pur-TimeAlignmentTimer timer of the first uplink resource (if the pur-TimeAlignmentTimer timer expires, the first TA value corresponding to the first uplink resource is considered to be unavailable) to continue running, and the network configuration corresponding to the pur-TimeAlignmentTimer timer
  • the first TA value of is used for uplink transmission of the first uplink resource.
  • the applying the first TA value and/or the second TA value according to the preset processing method includes: when the second TA value is received, applying the second TA value to the first TA value. an uplink resource, or discard the second TA value.
  • the using the second TA value for the first uplink resource includes: after the random access is successfully completed, using the second TA value for the first uplink resource;
  • the discarding the second TA value includes: discarding the second TA value after the random access fails.
  • the second TA value is used for the first uplink resource, That is, the UE does not use the second TA value for the first uplink resource before the random access is successfully completed. If the random access fails, the second TA value is discarded.
  • the using the second TA value for the first uplink resource includes at least one of the following:
  • the first TA value is updated using the second TA value, and the second TA value is used for sending the uplink signal on the first uplink resource.
  • use the second TA value to update the first TA value including any of the following:
  • the first TA value is updated with the second TA value.
  • the UE uses the second TA value specified by the TAC to update the first TA value corresponding to the first uplink resource.
  • the UE receives the TAC in Msg2 of the 4-step random access procedure, and after the 4-step random access procedure is successfully completed, the UE updates the first uplink resource corresponding to the first uplink resource using the second TA value specified by the TAC. a TA value.
  • the timer corresponding to restarting the first uplink resource includes any of the following:
  • the timer corresponding to the first uplink resource is restarted.
  • the UE starts the pur-TimeAlignmentTimer timer when the network configures the first uplink resource, and when the UE receives the TAC in Msg2 of the 4-step random access procedure, the UE restarts the pur-TimeAlignmentTimer timer.
  • the pur-TimeAlignmentTimer timer started by the UE when the network configures the first uplink resource, after the 4-step random access procedure is successfully completed, the UE uses the second TA value received in the random access procedure, and re-runs Start the pur-TimeAlignmentTimer timer.
  • the restarting the uplink timer corresponding to the first uplink resource includes any of the following:
  • the timer corresponding to the first uplink resource is restarted by using the timer value configured in the random access process.
  • the network side configures an uplink timing timer value (eg, pur-TimeAlignmentTimer) of the PUR resource in the RRCRelease message, and the UE uses this value to restart the uplink timing timer corresponding to the first uplink resource.
  • an uplink timing timer value eg, pur-TimeAlignmentTimer
  • the network side configures an uplink timing timer value (eg, timeAlignmentTimer) of the random access process in the system information, and the UE uses this value to restart the uplink timing timer corresponding to the dedicated uplink resource.
  • an uplink timing timer value eg, timeAlignmentTimer
  • the appropriate TA value is selected according to the agreed rules
  • the value is sent upstream, so that the network side and the UE side can understand the same.
  • Step 1 The network side configures the UE with an uplink timing value used for transmission of specific uplink resources.
  • the network side configures the pur-Config for the UE in the RRCRelease message, and the configuration includes the UE-specific PUSCH uplink transmission resource and the uplink timing value used for the PUSCH uplink transmission.
  • Step 2 The UE triggers the random access process, and before the random access process is successfully completed (or during the random access process), receives the uplink timing value sent by the network side (for example, in Msg2 ( Or, the TA value specified by "Timing Advance Command" is received in MsgB (eg, fallbackRAR) of the 2-step random access procedure), then the behavior of the UE includes any of the following:
  • Method 1 The UE considers that the uplink timing of the dedicated uplink resource is no longer available after selecting the random access procedure or after the random access procedure is completed or after receiving the uplink timing value sent by the network side during the random access procedure. (For example, if the UE triggers a 4-step random access procedure (or a 2-step random access procedure), the UE considers that the uplink timing of the dedicated uplink resource is no longer available.)
  • the "random access procedure completed" may be the successful completion of the random access procedure.
  • the specific implementation method for the UE "considering that the uplink timing of the dedicated uplink resource is no longer available" includes any of the following:
  • the UE releases the configured specific uplink resources (for example, the UE releases the UE-specific PUSCH uplink transmission resources configured in the pur-Config configuration.)
  • the UE considers that the uplink timing advance timer corresponding to the dedicated uplink resource has expired (for example, the pur-TimeAlignmentTimer has expired.)
  • Method 2 When the uplink timing corresponding to the dedicated uplink resource is still valid, the uplink timing value sent by the network side received before (or during the random access process) is not used when the random access process is successfully completed.
  • the uplink timing of the dedicated uplink resources configured by the network side for the UE is still valid, and the UE receives "Timing" in Msg2 of the 4-step random access process (or MsgB (eg, fallbackRAR) of the 2-step random access process) Advance Command” specifies the TA value. Then, the UE ignores the TA value specified by the “Timing Advance Command” received in Msg2 (or, MsgB (eg, fallbackRAR) of the 2-step random access process) of the 4-step random access process. .)
  • the behavior of "not using the uplink timing value sent by the network side received before the random access procedure is successfully completed" includes any of the following:
  • Method 2.1 The UE ignores (or discards) the uplink timing value sent by the network side received before the random access procedure is successfully completed.
  • Method 2.2 During the random access process, the UE does not use the uplink timing value sent by the network side received before the random access
  • the upstream timing value sent by the side is temporarily stored (eg, stored but not used).
  • the behavior of the UE includes at least one of the following:
  • the UE uses the uplink timing value corresponding to the dedicated uplink resource for the transmission of the uplink channel in the random access process (for example, the UE receives the TA value in Msg2 of the 4-step RACH, the UE does not use the TA value, but uses the dedicated uplink Send Msg3 with the uplink timing advance corresponding to the resource.)
  • the UE uses the uplink timing value corresponding to the dedicated uplink resource for the transmission of the uplink channel after the random access process (for example, the UE receives the TA value in Msg2 of the 4-step RACH, the UE does not use the TA value, and the random access After the entry process is completed, the UE sends the HARQ feedback information corresponding to Msg4 using the uplink timing advance corresponding to the dedicated uplink resource.)
  • the behavior of the UE includes at least one of the following:
  • the UE uses the uplink timing value corresponding to the dedicated uplink resource for the transmission of the uplink channel in the random access process (for example, the UE receives the TA value in Msg2 of the 4-step RACH, the UE does not use the TA value, but uses the dedicated uplink Send Msg3 with the uplink timing advance corresponding to the resource.)
  • the UE uses the uplink timing value corresponding to the dedicated uplink resource (or the uplink timing value obtained during the random access process temporarily stored by the UE) for sending the uplink channel after the random access process.
  • the UE receives the TA value in Msg2 of the 4-step RACH, and the UE does not use it but temporarily stores the TA value.
  • the UE sends the HARQ feedback information corresponding to Msg4 with the temporarily stored TA value.
  • Method 3 The UE does not use the uplink timing value sent by the network side received before the random access procedure is successfully completed (or during the random access procedure) as dedicated uplink resources.
  • the UE receives the TA value specified by "TAC” in Msg2 of the 4-step random access procedure (or MsgB (eg, fallbackRAR) of the 2-step random access procedure).
  • MsgB eg, fallbackRAR
  • the UE still uses the TA value specified by the TAC.
  • the TA value sends the uplink signal of the random access process (eg, Msg3), but the TA value specified by the "TAC" is not used to update the TA value corresponding to the uplink transmission of the dedicated uplink resource.)
  • the behavior of the UE includes at least one of the following:
  • the uplink timing value used in the random access process is different from the timing value used by the dedicated uplink resources.
  • the uplink timing timer used in the random access process is different from the uplink timing timer used by the dedicated uplink resources.
  • the UE receives the TA value specified by "TAC” in Msg2 of the 4-step random access procedure (or MsgB (eg, fallbackRAR) of the 2-step random access procedure), and the UE starts the timeAlignmentTimer timer (the timeAlignmentTimer timer If the timer times out, the TA value specified by "TAC” is considered to be unavailable.)
  • the TA value specified by "TAC” corresponding to the timeAlignmentTimer timer is used for the transmission of Msg3.
  • the UE maintains the pur-TimeAlignmentTimer timer of dedicated uplink resources (this When the pur-TimeAlignmentTimer timer expires, it is considered that the TA value of the UE-specific uplink resource is unavailable.) Continue to run, and the TA value configured by the network corresponding to the pur-TimeAlignmentTimer timer is used for uplink transmission of the exclusive uplink resource.)
  • Method 4 The UE uses the uplink timing value sent by the network side received before the random access procedure is successfully completed (or during the random access procedure) to be used for dedicated uplink resources.
  • the UE uses the uplink timing value sent by the network side received before the random access process (or during the random access process) is successfully completed for dedicated uplink resources. (That is, before the random access process is successfully completed, the UE does not use the uplink timing value sent by the network side received before the random access process is successfully completed (or during the random access process) as dedicated uplink resources.)
  • the UE discards the uplink timing value sent by the network side received before the random access procedure is successfully completed (or during the random access procedure).
  • the UE's behavior of "using the uplink timing value sent by the network side received before the random access procedure is successfully completed (or during the random access procedure) to dedicated uplink resources" includes at least one of the following:
  • the UE restarts the uplink timing timer corresponding to the dedicated uplink resource (for example, the pur-TimeAlignmentTimer timer that the UE starts when the network configures the dedicated uplink resource, and the UE receives the TAC in Msg2 of the 4-step random access procedure, the UE restarts pur-TimeAlignmentTimer timer.)
  • the pur-TimeAlignmentTimer timer started by the UE when the network configures the dedicated uplink resources, after the 4-step random access process is successfully completed, the UE uses the TA value received in the random access process. , and restart the pur-TimeAlignmentTimer timer.
  • the UE uses the "uplink timing value sent by the network side received before the random access procedure is successfully completed (or during the random access procedure)" to update the uplink timing value corresponding to the dedicated uplink resource.
  • the UE uses the TA value specified by the TAC to update the uplink timing value corresponding to the dedicated uplink resource.
  • the UE in the 4-step random access procedure After receiving the TAC in Msg2, after the 4-step random access process is successfully completed, the UE uses the TA value specified by the TAC to update the uplink timing value corresponding to the dedicated uplink resource.
  • the "restarting the uplink timing timer corresponding to the dedicated uplink resource” includes any of the following:
  • the uplink timing timer value corresponding to the dedicated uplink resource is restarted by using the uplink timing timer value configured when the dedicated uplink resource is configured.
  • the uplink timing timer value for example, pur-TimeAlignmentTimer
  • the UE uses this value to restart the uplink timing timer corresponding to the dedicated uplink resource.
  • the uplink timing timer corresponding to the dedicated uplink resource is restarted.
  • the uplink timing timer value eg, timeAlignmentTimer
  • the UE uses this value to restart the uplink timing timer corresponding to the dedicated uplink resource.
  • the execution subject may be an uplink TA value processing apparatus, or a control module in the uplink TA value processing apparatus for executing the uplink TA value processing method.
  • the method for processing an uplink TA value performed by an apparatus for processing an uplink TA value is taken as an example, to describe the apparatus for processing an uplink TA value provided by the embodiment of the present application.
  • FIG. 3 shows a schematic structural diagram of an apparatus for processing an uplink TA value provided by an embodiment of the present application.
  • the apparatus 300 for processing an uplink TA value may include: a processing module 301 for triggering a random access process after a random access process is triggered.
  • the first TA value and/or the second TA value is applied in a preset processing manner.
  • the first TA is configured by the network side device, and the first TA is the uplink timing advance value corresponding to the first uplink resource, and the second TA value is received during the random access process Upstream timing advance value.
  • the first TA value and the second TA value may be received by the receiving module.
  • the processing module 301 applies the first TA value and/or the second TA value in a preset processing manner after the random access procedure is triggered, including: after the random access procedure is triggered or after the random access procedure is completed. Or after receiving the second TA value, stop using the first TA value to send uplink signals.
  • the stopping of using the first TA value to send uplink signals includes at least one of the following:
  • the processing module 301 applies the first TA value and/or the second TA value in a preset processing manner after the random access procedure is triggered, including: after the random access procedure is triggered or in the random access procedure. After the process is completed, the uplink signal is sent using the second TA value.
  • the processing module 301 applies the first TA value and/or the second TA value in a preset processing manner, including: when the second TA value is received and the first TA value is still valid , the uplink signal is not sent using the second TA value.
  • the sending the uplink signal without using the second TA value includes any one of the following: ignoring or discarding the second TA value; sending the uplink signal in the random access process without using the second TA value Signal.
  • the processing module 301 is further configured to use the first TA value to send an uplink signal during the random access process or after the random access process is completed; or,
  • the sending the uplink signal in the random access process without using the second TA value includes at least one of the following: using the first TA value to send the uplink signal in the random access process or after the random access process is completed; saving the The second TA value is used to send the uplink signal after the random access process is completed.
  • the processing module 301 applies the first TA value and/or the second TA value in a preset processing manner, including at least one of the following:
  • the uplink signal on the first uplink resource is not sent using the second TA value.
  • the sending of the uplink signal on the first uplink resource without using the second TA value includes at least one of the following:
  • the timer corresponding to the second TA value is different from the timer corresponding to the first uplink resource.
  • the processing module 301 applies the first TA value and/or the second TA value in a preset processing manner, including: in the case of receiving the second TA value, applying the second TA value to on the first uplink resource, or discard the second TA value.
  • the using the second TA value for the first uplink resource includes: after the random access is successfully completed, using the second TA value for the first uplink resource;
  • the discarding the second TA value includes: discarding the second TA value after the random access fails.
  • the using the second TA value for the first uplink resource includes at least one of the following:
  • the first TA value is updated using the second TA value, and the second TA value is used for sending the uplink signal on the first uplink resource.
  • the restarting the uplink timer corresponding to the first uplink resource includes any of the following:
  • the timer corresponding to the first uplink resource is restarted by using the timer value configured in the random access process.
  • the timer corresponding to restarting the first uplink resource includes any of the following:
  • the timer corresponding to the first uplink resource is restarted.
  • use the second TA value to update the first TA value including any of the following:
  • the first TA value is updated with the second TA value.
  • the first uplink resource is a dedicated physical uplink shared channel PUSCH resource configured by the network, and the dedicated PUSCH resource is used to directly send small data to the network side device in an idle state or an inactive state.
  • the apparatus for processing an uplink TA value provided in this embodiment of the present application can implement each process implemented by the method embodiment in FIG. 2 , and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • the apparatus for processing an uplink TA value in this embodiment of the present application may be an apparatus, or may be a component, an integrated circuit, or a chip in a terminal.
  • the device may be a mobile terminal or a non-mobile terminal.
  • the mobile terminal may include, but is not limited to, the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (NAS), a personal computer (personal computer, PC), a television ( television, TV), teller machine, or self-service machine, etc., which are not specifically limited in the embodiments of the present application.
  • the apparatus for processing an uplink TA value in this embodiment of the present application may be an apparatus having an operating system.
  • the operating system may be an Android (Android) operating system, an ios operating system, or other possible operating systems, which are not specifically limited in the embodiments of the present application.
  • the apparatus for processing an uplink TA value provided in this embodiment of the present application can implement each process implemented by the method embodiment in FIG. 2 , and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • an embodiment of the present application further provides a communication device 400, including a processor 401, a memory 402, a program or instruction stored in the memory 402 and executable on the processor 401,
  • a communication device 400 including a processor 401, a memory 402, a program or instruction stored in the memory 402 and executable on the processor 401,
  • the communication device 400 is a terminal
  • the program or instruction is executed by the processor 401, each process of the above-mentioned embodiments of the uplink TA value processing method is implemented, and the same technical effect can be achieved.
  • FIG. 5 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.
  • the terminal 100 includes but is not limited to: a radio frequency unit 101, a network module 102, an audio output unit 103, an input unit 104, a sensor 105, a display unit 106, a user input unit 107, an interface unit 108, a memory 109, a processor 110 and other components .
  • the terminal 100 may also include a power source (such as a battery) for supplying power to various components, and the power source may be logically connected to the processor 110 through a power management system, so as to manage charging, discharging, and power consumption through the power management system management and other functions.
  • a power source such as a battery
  • the terminal structure shown in FIG. 5 does not constitute a limitation to the terminal, and the terminal may include more or less components than shown, or combine some components, or arrange different components, which will not be repeated here.
  • the input unit 104 may include a graphics processor (Graphics Processing Unit, GPU) 1041 and a microphone 1042. Such as camera) to obtain still pictures or video image data for processing.
  • the display unit 106 may include a display panel 1061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 107 includes a touch panel 1071 and other input devices 1072 .
  • the touch panel 1071 is also called a touch screen.
  • the touch panel 1071 may include two parts, a touch detection device and a touch controller.
  • Other input devices 1072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which are not described herein again.
  • the radio frequency unit 101 receives the downlink data from the network side device, and then processes it to the processor 110; in addition, sends the uplink data to the network side device.
  • the radio frequency unit 101 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.
  • Memory 109 may be used to store software programs or instructions as well as various data.
  • the memory 109 may mainly include a storage program or instruction area and a storage data area, wherein the stored program or instruction area may store an operating system, an application program or instruction required for at least one function (such as a sound playback function, an image playback function, etc.) and the like.
  • the memory 109 may include a high-speed random access memory, and may also include a non-volatile memory, wherein the non-volatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM) , PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • ROM Read-Only Memory
  • PROM programmable read-only memory
  • PROM erasable programmable read-only memory
  • Erasable PROM Erasable PROM
  • EPROM electrically erasable programmable read-only memory
  • EEPROM electrically erasable programmable read-only memory
  • flash memory for example at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.
  • the processor 110 may include one or more processing units; optionally, the processor 110 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, application programs or instructions, etc., Modem processors mainly deal with wireless communications, such as baseband processors. It can be understood that, the above-mentioned modulation and demodulation processor may not be integrated into the processor 110 .
  • the processor 110 is configured to apply the first TA value and/or the second TA value in a preset processing manner after triggering the random access process, wherein the first TA is configured by the network side device, and the first TA is TA is an uplink timing advance value corresponding to the first uplink resource, and the second TA value is an uplink timing advance value received during the random access process.
  • the processor 110 applies the first TA value and/or the second TA value in a preset processing manner after the random access procedure is triggered, including: after the random access procedure is triggered, or after the random access procedure is completed, or After receiving the second TA value, stop using the first TA value to send uplink signals.
  • the stopping using the first TA value to send the uplink signal includes at least one of the following:
  • the processor 110 applies the first TA value and/or the second TA value in a preset processing manner after triggering the random access procedure, including: after triggering the random access procedure or after the random access procedure is triggered. After the process is completed, the uplink signal is sent using the second TA value.
  • the processor 110 applies the first TA value and/or the second TA value in a preset processing manner, including: when the second TA value is received and the first TA value is still valid , the uplink signal is not sent using the second TA value.
  • the sending the uplink signal without using the second TA value includes any one of the following: ignoring or discarding the second TA value; sending the uplink signal in the random access process without using the second TA value Signal.
  • the processing module is further configured to use the first TA value to send an uplink signal during the random access process or after the random access process is completed; or ,
  • the sending the uplink signal in the random access process without using the second TA value includes at least one of the following: using the first TA value to send the uplink signal in the random access process or after the random access process is completed; saving the The second TA value is used to send the uplink signal after the random access process is completed.
  • the processing module applies the first TA value and/or the second TA value in a preset processing manner, including at least one of the following:
  • the uplink signal on the first uplink resource is not sent using the second TA value.
  • the sending of the uplink signal on the first uplink resource without using the second TA value includes at least one of the following:
  • the timer corresponding to the second TA value is different from the timer corresponding to the first uplink resource.
  • the processor applies the first TA value and/or the second TA value in a preset processing manner, including: when the second TA value is received, using the second TA value for the first uplink resource, or discard the second TA value.
  • the using the second TA value for the first uplink resource includes: after the random access is successfully completed, using the second TA value for the first uplink resource;
  • the discarding the second TA value includes: discarding the second TA value after the random access fails.
  • the using the second TA value for the first uplink resource includes at least one of the following:
  • the first TA value is updated using the second TA value, and the second TA value is used for sending the uplink signal on the first uplink resource.
  • the restarting the uplink timer corresponding to the first uplink resource includes any of the following:
  • the timer corresponding to the first uplink resource is restarted by using the timer value configured in the random access process.
  • the timer corresponding to restarting the first uplink resource includes any of the following:
  • the timer corresponding to the first uplink resource is restarted.
  • use the second TA value to update the first TA value including any of the following:
  • the first TA value is updated with the second TA value.
  • terminal 100 in this embodiment can implement each process in the method embodiment of FIG. 2 in the embodiment of the present application, and achieve the same beneficial effect, and to avoid repetition, details are not described here.
  • Embodiments of the present application further provide a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, each process of the above-mentioned embodiments of the method for processing an uplink TA value is implemented, and can To achieve the same technical effect, in order to avoid repetition, details are not repeated here.
  • the processor is the processor in the terminal described in the foregoing embodiment.
  • the readable storage medium includes a computer-readable storage medium, such as a computer read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.
  • An embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run a network-side device program or instruction to realize the above-mentioned uplink TA value
  • the chip includes a processor and a communication interface
  • the communication interface is coupled to the processor
  • the processor is used to run a network-side device program or instruction to realize the above-mentioned uplink TA value
  • the chip mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip, a system-on-chip, or a system-on-a-chip, or the like.
  • modules, units, sub-modules, sub-units, etc. can be implemented in one or more Application Specific Integrated Circuits (ASIC), Digital Signal Processing (DSP), digital signal processing equipment ( DSP Device, DSPD), Programmable Logic Device (Programmable Logic Device, PLD), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA), general-purpose processor, controller, microcontroller, microprocessor, for in other electronic units or combinations thereof that perform the functions described herein.
  • ASIC Application Specific Integrated Circuits
  • DSP Digital Signal Processing
  • DSP Device digital signal processing equipment
  • PLD Programmable Logic Device
  • Field-Programmable Gate Array Field-Programmable Gate Array
  • FPGA Field-Programmable Gate Array
  • the method of the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course can also be implemented by hardware, but in many cases the former is better implementation.
  • the technical solution of the present application can be embodied in the form of a software product in essence or in a part that contributes to the prior art, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, CD-ROM), including several instructions to make a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the methods described in the various embodiments of this application.
  • a storage medium such as ROM/RAM, magnetic disk, CD-ROM

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Abstract

本申请公开了一种上行定时提前TA值处理方法、装置及终端。该TA值处理方法包括:在触发随机接入过程后按预设处理方式应用第一TA值和/或第二TA值,其中,所述第一TA是网络侧设备配置的,且所述第一TA是第一上行资源对应的上行定时提前值,所述第二TA值是在所述随机接入过程中接收到的上行定时提前值。

Description

上行定时提前值处理方法、装置及终端
相关申请的交叉引用
本申请主张在2020年7月31日在中国提交的中国专利申请号No.202010763091.X的优先权,其全部内容通过引用包含于此。
技术领域
本申请属于通信技术领域,具体涉及一种上行定时提前TA值处理方法、装置及终端。
背景技术
网络侧在将用户终端(User Equipment,UE)从连接态释放到IDLE/INACTIVE态的时候,保留UE的上下文配置信息,当UE要进行小数据发送的时候,如果网络侧的系统消息指示支持小数据的发送(如,支持小于10Kbyte的小数据发送),则IDLE/INACTIVE态的UE通过网络配置的专属上行PUSCH资源(例如,预配置的PUSCH(pre-configured PUSCH);或,预分配的上行资源(Preallocated Uplink Resource,PUR))直接将小数据发送给网络侧。网络配置专属物理上行共享信道(Physical Uplink Shared Channel,PUSCH)资源时,会指定该专属PUSCH资源的上行发送对应的上行定时提前量(Timing Advance,TA)。
在网络侧给UE指定了上行TA值后,如果UE触发了随机接入过程,UE会获取到新的上行TA值,而如何处理这两个不同的上行定时值,才能让网络侧和UE侧理解一致是需要解决的问题。
发明内容
本申请实施例的目的是提供一种上行定时提前TA值处理方法、装置和终端,能够解决在出现两个不同的TA值的情况下,如何让网络侧和UE侧对TA值理解一致的问题。
为了解决上述技术问题,本申请是这样实现的:
第一方面,提供了一种上行定时提前TA值处理方法,应用于终端,该方法包括:
在触发随机接入过程后按预设处理方式应用第一TA值和/或第二TA值,其中,所述第一TA是网络侧设备配置的,且所述第一TA是第一上行资源对应的上行定时提前值,所述第二TA值是在所述随机接入过程中接收到的上行定时提前值。
第二方面,提供了一种上行定时提前TA值处理装置,该装置包括:处理模块,用于在触发随机接入过程后按预设处理方式应用第一TA值和/或第二TA值,其中,所述第一TA是网络侧设备配置的,且所述第一TA是第一上行资源对应的上行定时提前值,所述第二TA值是在所述随机接入过程中接收到的上行定时提前值。
第三方面,提供了一种终端,该终端包括处理器、存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令,所述程序或指令被所述处理器执行时实现如第一方面所述的方法的步骤。
第四方面,提供了一种可读存储介质,所述可读存储介质上存储程序或指令,所述程序或指令被处理器执行时实现如第一方面所述的方法的步骤。
第五方面,提供了一种芯片,所述芯片包括处理器和通信接口,所述通信接口和所述处理器耦合,所述处理器用于运行网络侧设备程序或指令,实现如第一方面所述的方法。
在本申请实施例中,在接收到网络侧给UE指定的专属上行资源对应的TA值,并且通过随机接入过程获得新的TA值后,根据约定的规则选择合适的TA值进行上行发送,从而可以让网络侧和UE侧理解一致。
附图说明
图1是本申请实施例可应用的一种无线通信系统的框图;
图2是本申请实施例提供的上行TA值处理方法的流程图;
图3是本申请实施例提供的上行TA值处理装置的结构图;
图4是本申请实施例提供的通信设备的结构图;
图5是本申请实施例提供的终端的结构图。
具体实施方式
下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例是本申请一部分实施例,而不是全部的实施例。基于本申请中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本申请保护的范围。
本申请的说明书和权利要求书中的术语“第一”、“第二”等是用于区别类似的对象,而不用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换,以便本申请的实施例能够以除了在这里图示或描述的那些以外的顺序实施,且“第一”、“第二”所区别的对象通常为一类,并不限定对象的个数,例如第一对象可以是一个,也可以是多个。此外,说明书以及权利要求中“和/或”表示所连接对象的至少其中之一,字符“/”一般表示前后关联对象是一种“或”的关系。
值得指出的是,本申请实施例所描述的技术不限于长期演进型(Long Term Evolution,LTE)/LTE的演进(LTE-Advanced,LTE-A)系统,还可用于其他无线通信系统,诸如码分多址(Code Division Multiple Access,CDMA)、时分多址(Time Division Multiple Access,TDMA)、频分多址(Frequency Division Multiple Access,FDMA)、正交频分多址(Orthogonal Frequency Division Multiple Access,OFDMA)、单载波频分多址(Single-carrier Frequency-Division Multiple Access,SC-FDMA)和其他系统。本申请实施例中的术语“系统”和“网络”常被可互换地使用,所描述的技术既可用于以上提及的系统和无线电技术,也可用于其他系统和无线电技术。然而,以下描述出于示例目的描述了新空口(New Radio,NR)系统,并且在以下大部分描述中使用NR术语,但这些技术也可应用于NR系统应用以外的应用,如第6代(6th Generation,6G)通信系统。
图1示出本申请实施例可应用的一种无线通信系统的框图。无线通信系统包括终端11和网络侧设备12。其中,终端11也可以称作终端设备或者用户终端(User Equipment,UE),终端11可以是手机、平板电脑(Tablet Personal Computer)、膝上型电脑(Laptop Computer)或称为笔记本电脑、个人数字助 理(Personal Digital Assistant,PDA)、掌上电脑、上网本、超级移动个人计算机(ultra-mobile personal computer,UMPC)、移动上网装置(Mobile Internet Device,MID)、可穿戴式设备(Wearable Device)或车载设备(VUE)、行人终端(PUE)等终端侧设备,可穿戴式设备包括:手环、耳机、眼镜等。需要说明的是,在本申请实施例并不限定终端11的具体类型。网络侧设备12可以是基站或核心网,其中,基站可被称为节点B、演进节点B、接入点、基收发机站(Base Transceiver Station,BTS)、无线电基站、无线电收发机、基本服务集(Basic Service Set,BSS)、扩展服务集(Extended Service Set,ESS)、B节点、演进型B节点(eNB)、家用B节点、家用演进型B节点、WLAN接入点、WiFi节点、发送接收点(Transmitting Receiving Point,TRP)或所述领域中其他某个合适的术语,只要达到相同的技术效果,所述基站不限于特定技术词汇,需要说明的是,在本申请实施例中仅以NR系统中的基站为例,但是并不限定基站的具体类型。
下面结合附图,通过具体的实施例及其应用场景对本申请实施例提供的上行定时提前TA值处理方法进行详细地说明。
如图2所示,图2是本申请实施例提供的一种上行定时提前TA值处理方法的流程图,本申请实施例的上行TA值处理方法可以应用于终端。
如图2所示,该处理方法可以包括以下步骤:
步骤201:在触发随机接入过程后按预设处理方式应用第一TA值和/或第二TA值。
其中,所述第一TA是网络侧设备配置的,且所述第一TA是第一上行资源对应的上行定时提前值,所述第二TA值是在所述随机接入过程中接收到的上行定时提前值。
需要说明的是,UE在接收到下行信号后,可以确定下行信号子帧的位置。为了避免上行干扰,网络要保证不同UE发送的信号在固定的时刻到达,因此网络侧需要给UE的上行发送配置一个上行定时提前量,即TA值。UE在收到该TA值后如果UE要发送上行信号,则UE以下行子帧位置为参考再提前TA时间值进行上行信号的发送。
需要说明的是,第一上行资源是网络侧设备配置的,所述第一上行资源 可以为专属物理上行共享信道PUSCH资源(例如pre-configured PUSCH或PUR),所述专属PUSCH资源用于在空闲态或非激活态时直接将小数据(small data)发送至网络侧设备。第一TA值是网络侧给UE配置的,该第一TA值是第一上行资源进行上行发送时采用的上行TA值。另外,第一上行资源和第一TA可以是网络侧一起配置给UE的,当然,也可以分开配置,本实施例不做具体限定。作为一种可选实施方式,网络侧可以在RRCRelease消息中给UE配置pur-Config,该pur-Config包括了上述专属PUSCH资源和该PUSCH资源上行发送采用的上行TA值。
可选的,网络配置第一上行资源时,不仅同时会指定该第一上行资源的上行发送对应的上行定时提前量(即第一TA值),同时还会配置一个上行定时提前量是否可用的判断定时器(如,pur-TimeAlignmentTimer),UE会在收到网络配置指示的第一上行资源对应的第一TA值后启动该定时器,当该定时器超时,则认为对应的第一上行资源不再可用。
在本申请实施例中,关于随机接入过程中第二TA值的获取,UE只有在上行失步状态才需要获取TA值,因此可以UE自己触发或网络侧触发UE发起随机接入过程,网络侧在随机接入响应中给UE下发TA值。另外,网络侧可以给UE的TA值设置一个定时器(例如,timeAlignmentTimer)。在下发TA给UE的时候启动,在timeAlignmentTimer超时前网络侧下发新的TA值给UE。根据网络侧设置的timeAlignmentTimer,在收到TA值的时候启动或重启,在timeAlignmentTimer定时器超后认为该TA值失效,UE上行为失步状态,不能再在上行失步的小区发送上行信号。
在本申请实施例中,UE触发随机接入过程后,可在随机接入过程成功完成前接收到第二TA值。例如,在4步随机接入过程的Msg2(或,2步随机接入过程的MsgB(如,fallbackRAR))中接收到定时提前命令(Timing Advance Command,TAC)指定的TA值。在触发随机接入过程后,按预设处理方式应用第一TA值和/或第二TA值,具体包括如下处理方式:
方式一:在触发随机接入过程后或在随机接入过程完成后,停止使用所述第一TA值发送上行信号。
需要说明的是,触发随机接入过程可以是在接收到第一上行资源和第一 TA值的配置之后。
另外,在一种可选实施方式中,UE在触发随机接入过程后,认为第一上行资源的上行定时不再可用,停止使用所述第一TA值发送上行信号。例如,UE触发了4步随机接入过程(或2步随机接入过程),则UE认为第一上行资源对应的第一TA值不再可用,并停止使用第一TA值发送上行信号。
在另一种可选的实施方式中,UE也可以在随机接入过程完成后,认为第一上行资源的上行定时不再可用,并停止使用所述第一TA值发送上行信号。例如,UE在4步随机接入过程的Msg2(或,2步随机接入过程的MsgB)中接收到第二TA值,但在随机接入过程完成后,才停止使用第一TA值发送上行信号。在需要说明的是,上述随机接入过程完成后,可以理解为随机接入过程成功完成。
作为本申请实施例的一种可选实施方式,所述停止使用第一TA值发送上行信号包括以下至少一项:释放所述第一上行资源;确定所述第一上行资源对应的定时器超时。具体实现时,释放所述第一上行资源可以是UE释放pur-Config配置中配置的UE专属PUSCH上行发送资源。确定所述第一上行资源对应的定时器超时可以是UE认为专属PUSCH资源对应的上行定时提前量定时器(如,pur-TimeAlignmentTimer)超时。
在本申请实施例中,在触发随机接入过程后按预设处理方式应用第一TA值和/或第二TA值,包括:在触发随机接入过程后或在随机接入过程完成后,使用所述第二TA值发送上行信号。
一种实施方式中,在触发随机接入过程后,UE停止使用第一TA值发送上行信号,并在触发随机接入过程后使用第二TA值发送上行信号。
另一种实施方式中,UE在随机接入过程完成后,停止使用第一TA值发送上行信号,并在随机接入过程完成后,使用第二TA值发送上行信号。例如,UE在4步随机接入过程的Msg2,或,2步随机接入过程的MsgB中接收到第二TA值,但在随机接入过程中,仍然使用第一TA值发送上行信号,在随机接入过程完成后,才停止使用第一TA值发送上行信号,并在随机接入过程完成后,使用在随机接入过程中接收到的第二TA值发送上行信号。
另一种实施方式中,在接收到所述第二TA值后,UE停止使用第一TA 值发送上行信号,并使用第二TA值发送上行信号。例如,UE在4步随机接入过程的Msg2,或,2步随机接入过程的MsgB中接收到第二TA值,在接收到第二TA值后,停止使用第一TA值发送上行信号,并使用在随机接入过程中接收到的第二TA值发送上行信号。
方式二:所述按预设处理方式应用第一TA值和/或第二TA值,包括:在接收到所述第二TA值且所述第一TA值仍然有效的情况下,不使用所述第二TA值发送上行信号。
在本申请实施例中,所述不使用所述第二TA值发送上行信号,包括以下任一项:忽略或丢弃所述第二TA值;不使用所述第二TA值发送随机接入过程中的上行信号。
在忽略或丢弃所述第二TA值的情况下,所述方法还包括:使用所述第一TA值发送随机接入过程中或随机接入过程完成后的上行信号;或,
所述不使用第二TA值发送随机接入过程中的上行信号包括以下至少一项:使用所述第一TA值发送随机接入过程中或随机接入过程完成后的上行信号;保存所述第二TA值,使用所述第二TA值发送随机接入过程完成后的上行信号。
作为本申请实施例的一种可选实施方式,在接收到第二TA值且第一TA值仍然有效,则忽略或丢弃第二TA值,并使用第一TA值发送随机接入过程中或随机接入过程完成后的上行信号。作为一个例子,UE在4步随机接入过程的Msg2中接收到了第二TA值,UE不使用该第二TA值,而使用第一TA值发送Msg3。作为另一个例子,UE在4步随机接入过程的Msg2中接收到了第二TA值,UE不使用该第二TA值,在该随机接入过程完成后,UE使用第一TA值发送Msg4对应的混合自动重传请求(Hybrid Automatic Repeat reQuest,HARQ)反馈信息。
作为本申请实施例的一种可选实施方式,在接收到第二TA值且第一TA值仍然有效的情况下,则在随机接入过程中,UE不使用第二TA值发送上行信号,但是UE将该接收到的第二TA值保存,并在随机接入过程完成后,使用第二TA值发送上行信号。需要说明的是,“保存”可以理解为“暂存”或存储但不使用。例如,UE在4步随机接入的Msg2接收到了第二TA值,UE不使 用但是暂存该第二TA值,在该随机接入过程完成后,UE使用该暂存的第二TA值发送Msg4对应的HARQ反馈信息。
作为本申请实施例一种可选实施方式,若第一TA值对应的定时器(如,pur-TimeAlignmentTimer)未超时,可认为第一TA值仍然有效,若第一TA值对应的定时器(如,pur-TimeAlignmentTimer)超时,可以认为第一TA值失效。
方式三:所述按预设处理方式应用第一TA值和/或第二TA值,包括以下至少一项:
在接收到所述第二TA值后,不使用所述第二TA值发送所述第一上行资源上的上行信号。
所述不使用第二TA值发送所述第一上行资源上的上行信号包括以下至少一项:
使用所述第一TA值发送所述第一上行资源上的上行信号;
使用所述第二TA值发送随机接入过程中的上行信号;
所述第二TA值对应的定时器与所述第一上行资源对应的定时器不同。
在本申请实施例中,随机接入过程中使用的上行TA值与第一上行资源使用的上行TA值不同。作为一个例子,UE在4步随机接入过程的Msg2(或,2步随机接入过程的MsgB(如,回退随机接入响应(Random Access Response,fallbackRAR)))中接收到TAC指定的第二TA值,则UE使用该TAC指定的第二TA值发送随机接入过程的上行信号(如,Msg3),但是该TAC指定的第二TA值不用于更新第一上行资源的上行发送对应的TA值(即第一TA值)。
可选的,在方式三中,随机接入过程中使用的上行定时器与第一上行资源使用的上行定时器不同。例如,UE在4步随机接入过程的Msg2(或,2步随机接入过程的MsgB(如,fallbackRAR))中接收到TAC指定的第二TA值,UE启动timeAlignmentTimer定时器(该timeAlignmentTimer定时器超时则认为TAC指定的第二TA值不可用),该timeAlignmentTimer定时器对应第二TA值用于Msg3的发送。同时,UE保持第一上行资源的pur-TimeAlignmentTimer定时器(该pur-TimeAlignmentTimer定时器超时则认为第一上行资源对应的第一TA值不可用)继续运行,该 pur-TimeAlignmentTimer定时器对应的网络配置的第一TA值用于第一上行资源的上行发送。
方式四、所述按预设处理方式应用第一TA值和/或第二TA值,包括:在接收到所述第二TA值的情况下,将所述第二TA值用于所述第一上行资源,或者,丢弃所述第二TA值。
可选的,所述将第二TA值用于所述第一上行资源,包括:在随机接入成功完成后,将第二TA值用于所述第一上行资源;
所述丢弃所述第二TA值,包括:在随机接入失败后,丢弃所述第二TA值。
作为本申请实施例的一种实施方式,在随机接入过程中接收到TAC指定的第二TA值的情况下,在随机接入成功完成后,将第二TA值用于第一上行资源,也就是说,UE在随机接入成功完成前,不将第二TA值用于第一上行资源。若随机接入失败,则丢弃第二TA值。
可选的,所述将第二TA值用于所述第一上行资源包括以下至少一项:
重启所述第一上行资源对应的定时器;
使用所述第二TA值更新所述第一TA值,将第二TA值用于所述第一上行资源上的上行信号的发送。
可选的,使用所述第二TA值更新所述第一TA值,包括以下任一项:
接收到所述第二TA值,则使用所述第二TA值更新所述第一TA值;
在随机接入过程成功完成后,使用所述第二TA值更新所述第一TA值。
作为一个例子,UE在4步随机接入过程的Msg2中接收到TAC,则UE使用该TAC指定的第二TA值更新第一上行资源对应的第一TA值。
作为另一个例子,UE在4步随机接入过程的Msg2中接收到TAC,在4步随机接入过程成功完成后,则UE使用该TAC指定的第二TA值更新第一上行资源对应的第一TA值。
可选的,所述重启第一上行资源对应的定时器包括以下任一项:
接收到所述第二TA值,则重启所述第一上行资源对应的定时器;
在随机接入过程成功完成后,重启所述第一上行资源对应的定时器。
作为一个例子,UE在网络配置第一上行资源的时候启动的 pur-TimeAlignmentTimer定时器,UE在4步随机接入过程的Msg2中接收到TAC,则UE重启动pur-TimeAlignmentTimer定时器。
作为另一个例子,UE在网络配置第一上行资源的时候启动的pur-TimeAlignmentTimer定时器,在4步随机接入过程成功完成后,UE使用该随机接入过程接收到的第二TA值,并重启动pur-TimeAlignmentTimer定时器。
可选的,所述重启所述第一上行资源对应的上行定时器包括以下任一项:
采用配置所述第一TA值时配置的定时器值,重启所述第一上行资源对应的上行定时器;
采用随机接入过程中配置的定时器值,重启所述第一上行资源对应的定时器。
作为一个例子,网络侧在RRCRelease消息中配置了PUR资源的上行定时定时器值(如,pur-TimeAlignmentTimer),则UE使用该值重启动第一上行资源对应的上行定时定时器。
作为另一个例子,网络侧在系统信息中配置了随机接入过程的上行定时定时器值(如,timeAlignmentTimer),则UE使用该值重启动专属上行资源对应的上行定时定时器。
通过本申请提供的上述上行TA值处理方法,在接收到网络侧给UE指定的专属上行资源对应的TA值,并且通过随机接入过程获得新的TA值后,根据约定的规则选择合适的TA值进行上行发送,从而可以让网络侧和UE侧理解一致。
为方便理解,示例说明如下:
步骤1:网络侧给UE配置特定上行资源发送采用的上行定时值。
例如,网络侧在RRCRelease消息中给UE配置pur-Config,该配置包括了UE专属的PUSCH上行发送资源,和该PUSCH上行发送采用的上行定时值。
步骤2:UE触发随机接入过程,并在该随机接入过程成功完成前(或随机接入过程中)接收到网络侧发送的上行定时值(例如,在4步随机接入过程的Msg2(或,2步随机接入过程的MsgB(如,fallbackRAR))中接收到 “Timing Advance Command”指定的TA值。),则UE的行为包括以下任意一种:
方法1:UE在选择随机接入过程后或在随机接入过程完成后或在随机接入过程中接收到网络侧发送的上行定时值后,认为该专属上行资源的上行定时不再可用。(例如,UE触发了4步随机接入过程(或2步随机接入过程),则UE认为该专属上行资源的上行定时不再可用。)
对于方法1,该“随机接入过程完成”可以为随机接入过程成功完成。
对于方法1,UE“认为该专属上行资源的上行定时不再可用”的具体实现方法包括以下任意一项:
UE释放配置的特定上行资源(例如,UE释放pur-Config配置中配置的UE专属的PUSCH上行发送资源。)
UE认为该专属上行资源对应的上行定时提前量定时器超时(例如,pur-TimeAlignmentTimer超时。)
方法2:当专属上行资源对应的上行定时仍然有效的情况,不使用在该随机接入过程成功完成前(或随机接入过程中)接收到的网络侧发送的上行定时值。(如,网络侧给UE配置的专属上行资源的上行定时仍然有效,UE在4步随机接入过程的Msg2(或,2步随机接入过程的MsgB(如,fallbackRAR))中接收到“Timing Advance Command”指定的TA值。则,UE忽略该4步随机接入过程的Msg2(或,2步随机接入过程的MsgB(如,fallbackRAR))中接收到“Timing Advance Command”指定的TA值。)
对于方法2,该“不使用在该随机接入过程成功完成前接收到的网络侧发送的上行定时值”的行为包括以下任意一种:
方法2.1:UE忽略(或丢弃)该在该随机接入过程成功完成前接收到的网络侧发送的上行定时值。
方法2.2:在随机接入过程中,UE不使用在该随机接入过程成功完成前接收到的网络侧发送的上行定时值,但是UE将该“该随机接入过程成功完成前接收到的网络侧发送的上行定时值”暂存(如,存储但是不使用)。
对于方法2.1,UE的行为包括以下至少一项:
UE将该专属上行资源对应的上行定时值用于随机接入过程中的上行信道的发送(如,UE在4-step RACH的Msg2接收到了TA值,UE不使用该 TA值,而使用专属上行资源对应的上行定时提前量发送Msg3。)
UE将该专属上行资源对应的上行定时值用于随机接入过程后的上行信道的发送(如,UE在4-step RACH的Msg2接收到了TA值,UE不使用该TA值,在该随机接入过程完成后,UE使用专属上行资源对应的上行定时提前量发送Msg4对应的HARQ反馈信息。)
对于方法2.2,UE的行为包括以下至少一项:
UE将该专属上行资源对应的上行定时值用于随机接入过程中的上行信道的发送(如,UE在4-step RACH的Msg2接收到了TA值,UE不使用该TA值,而使用专属上行资源对应的上行定时提前量发送Msg3。)
UE将该专属上行资源对应的上行定时值(或,UE暂存的随机接入过程中获取的上行定时值)用于随机接入过程后的上行信道的发送。(如,UE在4-step RACH的Msg2接收到了TA值,UE不使用但是暂存该TA值,在该随机接入过程完成后,UE该暂存的TA值发送Msg4对应的HARQ反馈信息。)
方法3:UE不将该随机接入过程成功完成前(或随机接入过程中)接收到的网络侧发送的上行定时值用于专属上行资源。(如,UE在4步随机接入过程的Msg2(或,2步随机接入过程的MsgB(如,fallbackRAR))中接收到“TAC”指定的TA值。则,UE仍然使用该TAC指定的TA值发送随机接入过程的上行信号(如,Msg3),但是该“TAC”指定的TA值不用于更新专属上行资源的上行发送对应的TA值。)
对于方法3,UE的行为包括以下至少一种:
随机接入过程中使用的上行定时值与专属上行资源使用的定时值不同。
随机接入过程中使用的上行定时定时器与专属上行资源使用的上行定时定时器不同。(如,UE在4步随机接入过程的Msg2(或,2步随机接入过程的MsgB(如,fallbackRAR))中接收到“TAC”指定的TA值,UE启动timeAlignmentTimer定时器(该timeAlignmentTimer定时器超时则认为“TAC”指定的TA值不可用。),该timeAlignmentTimer定时器对应的“TAC”指定的TA值用于Msg3的发送。同时,UE保持专属上行资源的pur-TimeAlignmentTimer定时器(该pur-TimeAlignmentTimer定时器超时则认为UE专属上行资源的TA值不可用。)继续运行,该pur-TimeAlignmentTimer 定时器对应的网络配置的TA值用于专属上行资源的上行发送。)
方法4:UE将该随机接入过程成功完成前(或随机接入过程中)接收到的网络侧发送的上行定时值用于专属上行资源。
对于方法4,可选的,UE在随机接入成功完成后,将该随机接入过程成功完成前(或随机接入过程中)接收到的网络侧发送的上行定时值用于专属上行资源。(也即,UE在随机接入成功完成前,不将该随机接入过程成功完成前(或随机接入过程中)接收到的网络侧发送的上行定时值用于专属上行资源。)
对于方法4,可选的,UE在随机接入失败后,将该随机接入过程成功完成前(或随机接入过程中)接收到的网络侧发送的上行定时值丢弃。
对于方法4,该“将该随机接入过程成功完成前(或随机接入过程中)接收到的网络侧发送的上行定时值用于专属上行资源”的UE的行为包括以下至少一项:
UE重启专属上行资源对应的上行定时定时器(如,UE在网络配置专属上行资源的时候启动的pur-TimeAlignmentTimer定时器,UE在4步随机接入过程的Msg2中接收到TAC,则UE重启动pur-TimeAlignmentTimer定时器。)(如,UE在网络配置专属上行资源的时候启动的pur-TimeAlignmentTimer定时器,在4步随机接入过程成功完成后,UE采用该随机接入过程接收到的TA值,并重启动pur-TimeAlignmentTimer定时器。)
UE使用“随机接入过程成功完成前(或随机接入过程中)接收到的网络侧发送的上行定时值”更新专属上行资源对应的上行定时值。(如,UE在4步随机接入过程的Msg2中接收到TAC,则UE使用该TAC指定的TA值更新专属上行资源对应的上行定时值。)(如,UE在4步随机接入过程的Msg2中接收到TAC,在4步随机接入过程成功完成后,则UE使用该TAC指定的TA值更新专属上行资源对应的上行定时值。)
其中,该“重启专属上行资源对应的上行定时定时器”的包括以下任意一种:
采用配置专属上行资源时配置的上行定时定时器值,重启动专属上行资源对应的上行定时定时器。(如,网络侧在RRCRelease消息中配置了PUR资 源的上行定时定时器值(如,pur-TimeAlignmentTimer),则UE使用该值重启动专属上行资源对应的上行定时定时器。)
采用随机接入过程配置的上行定时定时器值,重启动专属上行资源对应的上行定时定时器。(如,网络侧在系统信息中配置了随机接入过程的上行定时定时器值(如,timeAlignmentTimer),则UE使用该值重启动专属上行资源对应的上行定时定时器。)
需要说明的是,本申请实施例提供的上行TA值处理方法,执行主体可以为上行TA值处理装置,或者,该上行TA值处理装置中的用于执行上行TA值处理方法的控制模块。本申请实施例中以上行TA值处理装置执行上行TA值处理方法为例,说明本申请实施例提供的上行TA值处理装置。
图3示出本申请实施例提供的上行TA值处理装置的一种结构示意图,如图3所示,该上行TA值处理装置300可以包括:处理模块301,用于在触发随机接入过程后按预设处理方式应用第一TA值和/或第二TA值。
其中,所述第一TA是网络侧设备配置的,且所述第一TA是第一上行资源对应的上行定时提前值,所述第二TA值是在所述随机接入过程中接收到的上行定时提前值。
需要说明的是,第一TA值和第二TA值可通过接收模块接收。
可选的,所述处理模块301在触发随机接入过程后按预设处理方式应用第一TA值和/或第二TA值包括:在触发随机接入过程后或在随机接入过程完成后或在接收到所述第二TA值后,停止使用所述第一TA值发送上行信号。
可选的,所述停止使用所述第一TA值发送上行信号包括以下至少一项:
释放所述第一上行资源;
确定所述第一上行资源对应的定时器超时。
可选的,所述处理模块301在触发随机接入过程后所述按预设处理方式应用第一TA值和/或第二TA值,包括:在触发随机接入过程后或在随机接入过程完成后,使用所述第二TA值发送上行信号。
可选的,所述处理模块301按预设处理方式应用第一TA值和/或第二TA值,包括:在接收到所述第二TA值且所述第一TA值仍然有效的情况下,不使用所述第二TA值发送上行信号。
可选的,所述不使用所述第二TA值发送上行信号,包括以下任一项:忽略或丢弃所述第二TA值;不使用所述第二TA值发送随机接入过程中的上行信号。
可选的,在忽略或丢弃所述第二TA值的情况下,所述处理模块301还用于使用所述第一TA值发送随机接入过程中或随机接入过程完成后的上行信号;或,
所述不使用第二TA值发送随机接入过程中的上行信号包括以下至少一项:使用所述第一TA值发送随机接入过程中或随机接入过程完成后的上行信号;保存所述第二TA值,使用所述第二TA值发送随机接入过程完成后的上行信号。
可选的,所述处理模块301按预设处理方式应用第一TA值和/或第二TA值,包括以下至少一项:
在接收到所述第二TA值后,不使用所述第二TA值发送所述第一上行资源上的上行信号。
可选的,所述不使用第二TA值发送所述第一上行资源上的上行信号包括以下至少一项:
使用所述第一TA值发送所述第一上行资源上的上行信号;
使用所述第二TA值发送随机接入过程中的上行信号;
所述第二TA值对应的定时器与所述第一上行资源对应的定时器不同。
可选的,所述处理模块301按预设处理方式应用第一TA值和/或第二TA值,包括:在接收到所述第二TA值的情况下,将所述第二TA值用于所述第一上行资源,或者,丢弃所述第二TA值。
可选的,所述将第二TA值用于所述第一上行资源,包括:在随机接入成功完成后,将第二TA值用于所述第一上行资源;
所述丢弃所述第二TA值,包括:在随机接入失败后,丢弃所述第二TA值。
可选的,所述将第二TA值用于所述第一上行资源包括以下至少一项:
重启所述第一上行资源对应的定时器;
使用所述第二TA值更新所述第一TA值,将第二TA值用于所述第一上 行资源上的上行信号的发送。
可选的,所述重启所述第一上行资源对应的上行定时器包括以下任一项:
采用配置所述第一TA值时配置的定时器值,重启所述第一上行资源对应的上行定时器;
采用随机接入过程中配置的定时器值,重启所述第一上行资源对应的定时器。
可选的,所述重启第一上行资源对应的定时器包括以下任一项:
接收到所述第二TA值,则重启所述第一上行资源对应的定时器;
在随机接入过程成功完成后,重启所述第一上行资源对应的定时器。
可选的,使用所述第二TA值更新所述第一TA值,包括以下任一项:
接收到所述第二TA值,则使用所述第二TA值更新所述第一TA值;
在随机接入过程成功完成后,使用所述第二TA值更新所述第一TA值。
可选的,所述第一上行资源为网络配置的专属物理上行共享信道PUSCH资源,所述专属PUSCH资源用于在空闲态或非激活态时直接将小数据发送至网络侧设备。
本申请实施例提供的上行TA值处理装置能够实现图2的方法实施例实现的各个过程,并达到相同的技术效果,为避免重复,这里不再赘述。
本申请实施例中的上行TA值处理装置可以是装置,也可以是终端中的部件、集成电路、或芯片。该装置可以是移动终端,也可以为非移动终端。示例性的,移动终端可以包括但不限于上述所列举的终端11的类型,非移动终端可以为服务器、网络附属存储器(Network Attached Storage,NAS)、个人计算机(personal computer,PC)、电视机(television,TV)、柜员机或者自助机等,本申请实施例不作具体限定。
本申请实施例中的上行TA值处理装置可以为具有操作系统的装置。该操作系统可以为安卓(Android)操作系统,可以为ios操作系统,还可以为其他可能的操作系统,本申请实施例不作具体限定。
本申请实施例提供的上行TA值处理装置能够实现图2的方法实施例实现的各个过程,并达到相同的技术效果,为避免重复,这里不再赘述。
可选的,如图4所示,本申请实施例还提供一种通信设备400,包括处 理器401,存储器402,存储在存储器402上并可在所述处理器401上运行的程序或指令,例如,该通信设备400为终端时,该程序或指令被处理器401执行时实现上述上行TA值处理方法实施例的各个过程,且能达到相同的技术效果。
图5为实现本申请实施例的一种终端的硬件结构示意图。
该终端100包括但不限于:射频单元101、网络模块102、音频输出单元103、输入单元104、传感器105、显示单元106、用户输入单元107、接口单元108、存储器109、以及处理器110等部件。
本领域技术人员可以理解,终端100还可以包括给各个部件供电的电源(比如电池),电源可以通过电源管理系统与处理器110逻辑相连,从而通过电源管理系统实现管理充电、放电、以及功耗管理等功能。图5中示出的终端结构并不构成对终端的限定,终端可以包括比图示更多或更少的部件,或者组合某些部件,或者不同的部件布置,在此不再赘述。
应理解的是,本申请实施例中,输入单元104可以包括图形处理器(Graphics Processing Unit,GPU)1041和麦克风1042,图形处理器1041对在视频捕获模式或图像捕获模式中由图像捕获装置(如摄像头)获得的静态图片或视频的图像数据进行处理。显示单元106可包括显示面板1061,可以采用液晶显示器、有机发光二极管等形式来配置显示面板1061。用户输入单元107包括触控面板1071以及其他输入设备1072。触控面板1071,也称为触摸屏。触控面板1071可包括触摸检测装置和触摸控制器两个部分。其他输入设备1072可以包括但不限于物理键盘、功能键(比如音量控制按键、开关按键等)、轨迹球、鼠标、操作杆,在此不再赘述。
本申请实施例中,射频单元101将来自网络侧设备的下行数据接收后,给处理器110处理;另外,将上行的数据发送给网络侧设备。通常,射频单元101包括但不限于天线、至少一个放大器、收发信机、耦合器、低噪声放大器、双工器等。
存储器109可用于存储软件程序或指令以及各种数据。存储器109可主要包括存储程序或指令区和存储数据区,其中,存储程序或指令区可存储操作系统、至少一个功能所需的应用程序或指令(比如声音播放功能、图像播 放功能等)等。此外,存储器109可以包括高速随机存取存储器,还可以包括非易失性存储器,其中,非易失性存储器可以是只读存储器(Read-Only Memory,ROM)、可编程只读存储器(Programmable ROM,PROM)、可擦除可编程只读存储器(Erasable PROM,EPROM)、电可擦除可编程只读存储器(Electrically EPROM,EEPROM)或闪存。例如至少一个磁盘存储器件、闪存器件、或其他非易失性固态存储器件。
处理器110可包括一个或多个处理单元;可选的,处理器110可集成应用处理器和调制解调处理器,其中,应用处理器主要处理操作系统、用户界面和应用程序或指令等,调制解调处理器主要处理无线通信,如基带处理器。可以理解的是,上述调制解调处理器也可以不集成到处理器110中。
处理器110,用于在触发随机接入过程后按预设处理方式应用第一TA值和/或第二TA值,其中,所述第一TA是网络侧设备配置的,且所述第一TA是第一上行资源对应的上行定时提前值,所述第二TA值是在所述随机接入过程中接收到的上行定时提前值。
可选的,处理器110在触发随机接入过程后按预设处理方式应用第一TA值和/或第二TA值包括:在触发随机接入过程后或在随机接入过程完成后或在接收到所述第二TA值后,停止使用所述第一TA值发送上行信号。
可选的,所述停止使用所述第一TA值发送上行信号包括以下至少一项:
释放所述第一上行资源;
确定所述第一上行资源对应的定时器超时。
可选的,所述处理器110在触发随机接入过程后所述按预设处理方式应用第一TA值和/或第二TA值,包括:在触发随机接入过程后或在随机接入过程完成后,使用所述第二TA值发送上行信号。
可选的,所述处理器110按预设处理方式应用第一TA值和/或第二TA值,包括:在接收到所述第二TA值且所述第一TA值仍然有效的情况下,不使用所述第二TA值发送上行信号。
可选的,所述不使用所述第二TA值发送上行信号,包括以下任一项:忽略或丢弃所述第二TA值;不使用所述第二TA值发送随机接入过程中的上行信号。
可选的,在忽略或丢弃所述第二TA值的情况下,所述处理模块还用于使用所述第一TA值发送随机接入过程中或随机接入过程完成后的上行信号;或,
所述不使用第二TA值发送随机接入过程中的上行信号包括以下至少一项:使用所述第一TA值发送随机接入过程中或随机接入过程完成后的上行信号;保存所述第二TA值,使用所述第二TA值发送随机接入过程完成后的上行信号。
所述处理模块按预设处理方式应用第一TA值和/或第二TA值,包括以下至少一项:
在接收到所述第二TA值后,不使用所述第二TA值发送所述第一上行资源上的上行信号。
可选的,所述不使用第二TA值发送所述第一上行资源上的上行信号包括以下至少一项:
使用所述第一TA值发送所述第一上行资源上的上行信号;
使用所述第二TA值发送随机接入过程中的上行信号;
所述第二TA值对应的定时器与所述第一上行资源对应的定时器不同。
可选的,所述处理器按预设处理方式应用第一TA值和/或第二TA值,包括:在接收到所述第二TA值的情况下,将所述第二TA值用于所述第一上行资源,或者,丢弃所述第二TA值。
可选的,所述将第二TA值用于所述第一上行资源,包括:在随机接入成功完成后,将第二TA值用于所述第一上行资源;
所述丢弃所述第二TA值,包括:在随机接入失败后,丢弃所述第二TA值。
可选的,所述将第二TA值用于所述第一上行资源包括以下至少一项:
重启所述第一上行资源对应的定时器;
使用所述第二TA值更新所述第一TA值,将第二TA值用于所述第一上行资源上的上行信号的发送。
可选的,所述重启所述第一上行资源对应的上行定时器包括以下任一项:
采用配置所述第一TA值时配置的定时器值,重启所述第一上行资源对 应的上行定时器;
采用随机接入过程中配置的定时器值,重启所述第一上行资源对应的定时器。
可选的,所述重启第一上行资源对应的定时器包括以下任一项:
接收到所述第二TA值,则重启所述第一上行资源对应的定时器;
在随机接入过程成功完成后,重启所述第一上行资源对应的定时器。
可选的,使用所述第二TA值更新所述第一TA值,包括以下任一项:
接收到所述第二TA值,则使用所述第二TA值更新所述第一TA值;
在随机接入过程成功完成后,使用所述第二TA值更新所述第一TA值。
需要说明的是,本实施例中上述终端100可实现本申请实施例中图2方法实施例中的各个过程,及达到相同的有益效果,为避免重复,此处不再赘述。
本申请实施例还提供一种可读存储介质,所述可读存储介质上存储有程序或指令,该程序或指令被处理器执行时实现上述上行TA值处理方法实施例的各个过程,且能达到相同的技术效果,为避免重复,这里不再赘述。
其中,所述处理器为上述实施例中所述的终端中的处理器。所述可读存储介质,包括计算机可读存储介质,如计算机只读存储器(Read-Only Memory,ROM)、随机存取存储器(Random Access Memory,RAM)、磁碟或者光盘等。
本申请实施例另提供了一种芯片,所述芯片包括处理器和通信接口,所述通信接口和所述处理器耦合,所述处理器用于运行网络侧设备程序或指令,实现上述上行TA值处理方法实施例的各个过程,且能达到相同的技术效果,为避免重复,这里不再赘述。
应理解,本申请实施例提到的芯片还可以称为系统级芯片,系统芯片,芯片系统或片上系统芯片等。
可以理解的是,本公开描述的这些实施例可以用硬件、软件、固件、中间件、微码或其组合来实现。对于硬件实现,模块、单元、子模块、子单元等可以实现在一个或多个专用集成电路(Application Specific Integrated Circuits,ASIC)、数字信号处理器(Digital Signal Processing,DSP)、数字信 号处理设备(DSP Device,DSPD)、可编程逻辑设备(Programmable Logic Device,PLD)、现场可编程门阵列(Field-Programmable Gate Array,FPGA)、通用处理器、控制器、微控制器、微处理器、用于执行本申请所述功能的其它电子单元或其组合中。
需要说明的是,在本文中,术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下,由语句“包括一个……”限定的要素,并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。此外,需要指出的是,本申请实施方式中的方法和装置的范围不限按示出或讨论的顺序来执行功能,还可包括根据所涉及的功能按基本同时的方式或按相反的顺序来执行功能,例如,可以按不同于所描述的次序来执行所描述的方法,并且还可以添加、省去、或组合各种步骤。另外,参照某些示例所描述的特征可在其他示例中被组合。
通过以上的实施方式的描述,本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现,当然也可以通过硬件,但很多情况下前者是更佳的实施方式。基于这样的理解,本申请的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来,该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中,包括若干指令用以使得一台终端(可以是手机,计算机,服务器,空调器,或者网络设备等)执行本申请各个实施例所述的方法。
上面结合附图对本申请的实施例进行了描述,但是本申请并不局限于上述的具体实施方式,上述的具体实施方式仅仅是示意性的,而不是限制性的,本领域的普通技术人员在本申请的启示下,在不脱离本申请宗旨和权利要求所保护的范围情况下,还可做出很多形式,均属于本申请的保护之内。

Claims (34)

  1. 一种上行定时提前TA值处理方法,应用于终端,
    在触发随机接入过程后按预设处理方式应用第一TA值和/或第二TA值,其中,所述第一TA是网络侧设备配置的,且所述第一TA是第一上行资源对应的上行定时提前值,所述第二TA值是在所述随机接入过程中接收到的上行定时提前值。
  2. 根据权利要求1所述的方法,其中,所述在触发随机接入过程后按预设处理方式应用第一TA值和/或第二TA值,包括:在触发随机接入过程后或在随机接入过程完成后或在接收到所述第二TA值后,停止使用所述第一TA值发送上行信号。
  3. 根据权利要求2所述的方法,其中,所述停止使用所述第一TA值发送上行信号包括以下至少一项:
    释放所述第一上行资源;
    确定所述第一上行资源对应的定时器超时。
  4. 根据权利要求1或2所述的方法,其中,所述在触发随机接入过程后按预设处理方式应用第一TA值和/或第二TA值,包括:在触发随机接入过程后或在随机接入过程完成后或在接收到所述第二TA值后,使用所述第二TA值发送上行信号。
  5. 根据权利要求1所述的方法,其中,所述按预设处理方式应用第一TA值和/或第二TA值,包括:在接收到所述第二TA值且所述第一TA值仍然有效的情况下,不使用所述第二TA值发送上行信号。
  6. 根据权利要求5所述的方法,其中,所述不使用所述第二TA值发送上行信号,包括以下任一项:忽略或丢弃所述第二TA值;不使用所述第二TA值发送随机接入过程中的上行信号。
  7. 根据权利要求6所述的方法,其中,在忽略或丢弃所述第二TA值的情况下,所述方法还包括:使用所述第一TA值发送随机接入过程中或随机接入过程完成后的上行信号;或,
    所述不使用第二TA值发送随机接入过程中的上行信号包括以下至少一 项:使用所述第一TA值发送随机接入过程中或随机接入过程完成后的上行信号;保存所述第二TA值,使用所述第二TA值发送随机接入过程完成后的上行信号。
  8. 根据权利要求1所述的方法,其中,所述按预设处理方式应用第一TA值和/或第二TA值,包括以下至少一项:
    在接收到所述第二TA值后,不使用所述第二TA值发送所述第一上行资源上的上行信号。
  9. 根据权利要求8所述的方法,其中,所述不使用第二TA值发送所述第一上行资源上的上行信号包括以下至少一项:
    使用所述第一TA值发送所述第一上行资源上的上行信号;
    使用所述第二TA值发送随机接入过程中的上行信号;
    所述第二TA值对应的定时器与所述第一上行资源对应的定时器不同。
  10. 根据权利要求1所述的方法,其中,所述按预设处理方式应用第一TA值和/或第二TA值,包括:在接收到所述第二TA值的情况下,将所述第二TA值用于所述第一上行资源,或者,丢弃所述第二TA值。
  11. 根据权利要求10所述的方法,其中,所述将第二TA值用于所述第一上行资源,包括:在随机接入成功完成后,将第二TA值用于所述第一上行资源;
    所述丢弃所述第二TA值,包括:在随机接入失败后,丢弃所述第二TA值。
  12. 根据权利要求10或11所述的方法,其中,所述将第二TA值用于所述第一上行资源包括以下至少一项:
    重启所述第一上行资源对应的定时器;
    使用所述第二TA值更新所述第一TA值,将第二TA值用于所述第一上行资源上的上行信号的发送。
  13. 根据权利要求12所述的方法,其中,所述重启所述第一上行资源对应的上行定时器包括以下任一项:
    采用配置所述第一TA值时配置的定时器值,重启所述第一上行资源对应的上行定时器;
    采用随机接入过程中配置的定时器值,重启所述第一上行资源对应的定时器。
  14. 根据权利要求12所述的方法,其中,所述重启第一上行资源对应的定时器包括以下任一项:
    接收到所述第二TA值,则重启所述第一上行资源对应的定时器;
    在随机接入过程成功完成后,重启所述第一上行资源对应的定时器。
  15. 根据权利要求12所述的方法,其中,使用所述第二TA值更新所述第一TA值,包括以下任一项:
    接收到所述第二TA值,则使用所述第二TA值更新所述第一TA值;
    在随机接入过程成功完成后,使用所述第二TA值更新所述第一TA值。
  16. 根据权利要求1所述的方法,其中,所述第一上行资源为网络配置的专属物理上行共享信道PUSCH资源,所述专属PUSCH资源用于在空闲态或非激活态时直接将小数据发送至网络侧设备。
  17. 一种上行定时提前TA值处理装置,包括:
    处理模块,用于在触发随机接入过程后按预设处理方式应用第一TA值和/或第二TA值,其中,所述第一TA是网络侧设备配置的,且所述第一TA是第一上行资源对应的上行定时提前值,所述第二TA值是在所述随机接入过程中接收到的上行定时提前值。
  18. 根据权利要求17所述的装置,其中,所述处理模块在触发随机接入过程后按预设处理方式应用第一TA值和/或第二TA值包括:在触发随机接入过程后或在随机接入过程完成后或在接收到所述第二TA值后,停止使用所述第一TA值发送上行信号。
  19. 根据权利要求18所述的装置,其中,所述停止使用所述第一TA值发送上行信号包括以下至少一项:
    释放所述第一上行资源;
    确定所述第一上行资源对应的定时器超时。
  20. 根据权利要求17或18所述的装置,其中,所述处理模块在触发随机接入过程后所述按预设处理方式应用第一TA值和/或第二TA值,包括:在触发随机接入过程后或在随机接入过程完成后或在接收到所述第二TA值 后,使用所述第二TA值发送上行信号。
  21. 根据权利要求17所述的装置,其中,所述处理模块按预设处理方式应用第一TA值和/或第二TA值,包括:在接收到所述第二TA值且所述第一TA值仍然有效的情况下,不使用所述第二TA值发送上行信号。
  22. 根据权利要求21所述的装置,其中,所述不使用所述第二TA值发送上行信号,包括以下任一项:忽略或丢弃所述第二TA值;不使用所述第二TA值发送随机接入过程中的上行信号。
  23. 根据权利要求22所述的装置,其中,在忽略或丢弃所述第二TA值的情况下,所述处理模块还用于使用所述第一TA值发送随机接入过程中或随机接入过程完成后的上行信号;或,
    所述不使用第二TA值发送随机接入过程中的上行信号包括以下至少一项:使用所述第一TA值发送随机接入过程中或随机接入过程完成后的上行信号;保存所述第二TA值,使用所述第二TA值发送随机接入过程完成后的上行信号。
  24. 根据权利要求17所述的装置,其中,所述处理模块按预设处理方式应用第一TA值和/或第二TA值,包括以下至少一项:
    在接收到所述第二TA值后,不使用所述第二TA值发送所述第一上行资源上的上行信号。
  25. 根据权利要求24所述的装置,其中,所述不使用第二TA值发送所述第一上行资源上的上行信号包括以下至少一项:
    使用所述第一TA值发送所述第一上行资源上的上行信号;
    使用所述第二TA值发送随机接入过程中的上行信号;
    所述第二TA值对应的定时器与所述第一上行资源对应的定时器不同。
  26. 根据权利要求17所述的装置,其中,所述处理模块按预设处理方式应用第一TA值和/或第二TA值,包括:在接收到所述第二TA值的情况下,将所述第二TA值用于所述第一上行资源,或者,丢弃所述第二TA值。
  27. 根据权利要求26所述的装置,其中,所述将第二TA值用于所述第一上行资源,包括:在随机接入成功完成后,将第二TA值用于所述第一上行资源;
    所述丢弃所述第二TA值,包括:在随机接入失败后,丢弃所述第二TA值。
  28. 根据权利要求27所述的装置,其中,所述将第二TA值用于所述第一上行资源包括以下至少一项:
    重启所述第一上行资源对应的定时器;
    使用所述第二TA值更新所述第一TA值,将第二TA值用于所述第一上行资源上的上行信号的发送。
  29. 根据权利要求28所述的装置,其中,所述重启所述第一上行资源对应的上行定时器包括以下任一项:
    采用配置所述第一TA值时配置的定时器值,重启所述第一上行资源对应的上行定时器;
    采用随机接入过程中配置的定时器值,重启所述第一上行资源对应的定时器。
  30. 根据权利要求28所述的装置,其中,所述重启第一上行资源对应的定时器包括以下任一项:
    接收到所述第二TA值,则重启所述第一上行资源对应的定时器;
    在随机接入过程成功完成后,重启所述第一上行资源对应的定时器。
  31. 根据权利要求28所述的装置,其中,使用所述第二TA值更新所述第一TA值,包括以下任一项:
    接收到所述第二TA值,则使用所述第二TA值更新所述第一TA值;
    在随机接入过程成功完成后,使用所述第二TA值更新所述第一TA值。
  32. 一种终端,包括处理器,存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令,所述程序或指令被所述处理器执行时实现如权利要求1至16任一项所述的上行定时提前TA值处理方法的步骤。
  33. 一种可读存储介质,其中,所述可读存储介质上存储程序或指令,所述程序或指令被所述处理器执行时实现如权利要求1-16任一项所述的上行定时提前TA值处理方法的步骤。
  34. 一种芯片,包括处理器和通信接口,所述通信接口和所述处理器耦合,所述处理器用于运行网络侧设备程序或指令,实现如权利要求1-16任一 项所述的上行定时提前TA值处理方法。
PCT/CN2021/109834 2020-07-31 2021-07-30 上行定时提前值处理方法、装置及终端 Ceased WO2022022713A1 (zh)

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