WO2013097212A1 - 避免时间提前量组重配后上行干扰的方法及装置 - Google Patents

避免时间提前量组重配后上行干扰的方法及装置 Download PDF

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Publication number
WO2013097212A1
WO2013097212A1 PCT/CN2011/085125 CN2011085125W WO2013097212A1 WO 2013097212 A1 WO2013097212 A1 WO 2013097212A1 CN 2011085125 W CN2011085125 W CN 2011085125W WO 2013097212 A1 WO2013097212 A1 WO 2013097212A1
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WO
WIPO (PCT)
Prior art keywords
serving cell
terminal
advance group
time advance
reconfiguration
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2011/085125
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English (en)
French (fr)
Inventor
徐海博
鲁艳玲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to CN201180073234.3A priority Critical patent/CN103797872B/zh
Priority to EP11878608.6A priority patent/EP2800431A4/en
Priority to PCT/CN2011/085125 priority patent/WO2013097212A1/zh
Priority to JP2014549292A priority patent/JP5862796B2/ja
Priority to KR1020147019141A priority patent/KR101600219B1/ko
Publication of WO2013097212A1 publication Critical patent/WO2013097212A1/zh
Priority to US14/307,814 priority patent/US9408228B2/en
Anticipated expiration legal-status Critical
Priority to US15/195,463 priority patent/US9693331B2/en
Ceased legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/24Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2612Arrangements for wireless medium access control, e.g. by allocating physical layer transmission capacity
    • 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
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048Allocation of pilot signals, i.e. of signals known to the receiver
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W56/00Synchronisation arrangements
    • H04W56/001Synchronization between nodes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446Resources in time domain, e.g. slots or frames
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/21Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network

Definitions

  • the present invention relates to the field of communications, and in particular, to a method and apparatus for avoiding uplink interference after re-allocation of time advance group. Background technique
  • LTE-A Enhanced Long Term Evolution
  • carrier aggregation technology is introduced to provide higher transmission rates to terminals, and five deployment scenarios of carrier aggregation technology are defined.
  • the uplink only carrier aggregation in the frequency band is supported.
  • scenario 4 and scenario 5 that is, different receiving sites of uplink signals of different carriers, the uplink carrier aggregation technology is not supported.
  • the carrier aggregation technology is further enhanced, wherein an enhanced aspect is that for the uplink, carrier aggregation in different frequency bands can be supported, and in the scenario 4 and scenario 5, the uplink carrier is also supported. polymerization.
  • FIG. 1 is a schematic diagram of the need to reconfigure the timing advance group.
  • the base station eNB configures the primary serving cell fl and the secondary serving cell f2 for the terminal, and they belong to the same frequency band.
  • the terminal is located at point A, and the receiving station of the secondary serving cell (Scell) and the primary serving cell (Pcell) are both eNBs, and therefore belong to the same TAG, and are defined as pTAG (the TAG where gpPCell is located). ).
  • the terminal moves to the coverage of the repeater (e.g., point B), and the receiving station of the uplink signal on the secondary serving cell becomes a repeater, which is different from the receiving station of the primary serving cell. Therefore, the secondary serving cell is no longer suitable for the same TAG as the primary serving cell, and the serving cell needs to be reconfigured into a new TAG, defined as sTAG (ie, only the SCell TAG).
  • the terminal moves from the range covered by the repeater to the range covered by the eNB.
  • the secondary serving cell of the terminal needs to be reconfigured from the sTAG into the pTAG.
  • the terminal can immediately be on the secondary serving cell after the reconfiguration process is completed. Send an upstream signal.
  • the terminal needs to perform a random access procedure on the serving cell. To get the initial TA value of the sTAG.
  • the TA value cannot guarantee the time when the uplink signal of the terminal reaches the repeater. It is synchronized with the arrival time of other terminals, and thus may cause mutual interference with other terminals.
  • the embodiment of the invention provides a method and a device for avoiding the uplink interference after the time-adjusted group reconfiguration, which is used to solve the problem that the terminal uses the old TA value and the new uplink access point to perform uplink after the TAG re-matching of the terminal in the prior art.
  • the problem arises due to the fact that the time when the uplink signal arrives at the uplink access point is not synchronized with other terminals.
  • An embodiment of the present invention provides a method for avoiding uplink interference after a time-adjusted group reconfiguration, where the method includes: the terminal re-allocating a time advance group to which the secondary serving cell belongs;
  • the terminal After the terminal completes the reconfiguration of the time advance group of the serving cell, if the current timing advance group is a new timing advance group, the terminal stops the periodic channel sounding reference signal transmission on the secondary serving cell. And/or the terminal stops uplink non-adaptive retransmission on the secondary serving cell.
  • the embodiment of the present invention further provides a method for avoiding uplink interference after re-allocation of a time-advanced group, the method comprising: the terminal re-allocating the time advance group to which the secondary serving cell belongs;
  • the terminal After the terminal completes the time advance group reconfiguration of the serving cell, if the current time advance group is a new time advance group, the terminal releases the periodic channel sounding reference signal configuration of the serving cell, and/ Or stop the uplink non-adaptive retransmission on the serving cell.
  • the embodiment of the present invention further provides a method for avoiding uplink interference after re-allocation of a time-advanced group, the method comprising: the terminal re-allocating the time advance group to which the secondary serving cell belongs;
  • the terminal After the terminal completes the time advance group reconfiguration of the serving cell, if the current time advance group is a new time advance group, the terminal stops the periodic channel sounding reference signal transmission on the serving cell. And/or clearing the cache of all uplink hybrid automatic repeat requests corresponding to the secondary serving cell.
  • the embodiment of the present invention further provides a method for avoiding uplink interference after re-allocation of a time-advanced group, the method comprising: the terminal re-allocating the time advance group to which the secondary serving cell belongs;
  • the terminal After the terminal completes the time advance group reconfiguration of the serving cell, if the current time advance group is a new time advance group, the terminal releases the periodic channel sounding reference signal configuration of the serving cell, and/ Or clear the cache of all uplink hybrid automatic repeat requests corresponding to the serving cell.
  • An embodiment of the present invention further provides an apparatus for avoiding uplink interference after re-allocation of a time advance quantity group, where the apparatus includes a time advance group reconfiguration unit, configured to reconfigure a time advance group to which the secondary serving cell belongs; a determining unit, configured to determine whether the time advance group after the reconfiguration is a new time advance group, if yes Notifying the execution unit;
  • the executing unit is configured to stop, according to the notification sent by the determining unit, the periodic channel sounding reference signal transmission of the terminal on the secondary serving cell, and/or stop the uplink non-terminal of the terminal on the secondary serving cell Adaptive retransmission.
  • the embodiment of the present invention further provides an apparatus for avoiding uplink interference after time reconfiguration group reconfiguration, where the apparatus includes: a time advance quantity group reconfiguration unit, configured to reconfigure a time advance quantity group to which the secondary serving cell belongs a determining unit, configured to determine whether the time advance quantity group after the reconfiguration is a new time advance quantity group, and if yes, notify the execution unit;
  • the executing unit is configured to release, according to the notification sent by the determining unit, a periodic channel sounding reference signal configuration of the terminal on the secondary serving cell, and/or stop uplinking of the terminal on the secondary serving cell Non-adaptive retransmission.
  • the embodiment of the present invention further provides an apparatus for avoiding uplink interference after time reconfiguration group reconfiguration, where the apparatus includes: a time advance quantity group reconfiguration unit, configured to reconfigure a time advance quantity group to which the secondary serving cell belongs a determining unit, configured to determine whether the time advance quantity group after the reconfiguration is a new time advance quantity group, and if yes, notify the execution unit;
  • the executing unit is configured to stop, according to the notification sent by the determining unit, the periodic channel sounding reference signal transmission of the terminal on the secondary serving cell, and/or clear all uplink mixing corresponding to the secondary serving cell of the terminal Automatically resend the cache of requests.
  • the embodiment of the present invention further provides an apparatus for avoiding uplink interference after time reconfiguration group reconfiguration, where the apparatus includes: a time advance quantity group reconfiguration unit, configured to reconfigure a time advance quantity group to which the secondary serving cell belongs a determining unit, configured to determine whether the time advance quantity group after the reconfiguration is a new time advance quantity group, and if yes, notify the execution unit;
  • the executing unit is configured to release a periodic channel sounding reference signal configuration of the serving cell of the terminal according to the notification sent by the determining unit, and/or clear all uplink mixing corresponding to the serving cell of the terminal Automatically resend the cache of requests.
  • the terminal can be prevented from updating the TA value after the TAG reconfiguration, so that the old TA value is used to communicate with the access point in the new TAG to cause interference to other terminals.
  • Figure 1 shows a schematic diagram of the need to reconfigure the timing advance group
  • FIG. 2 is a flowchart of a method for reconfiguring a terminal from a pTAG to a new sTAG and obtaining a TA value according to an embodiment of the present invention
  • FIG. 3 is a flowchart of an uplink interference method for avoiding time advance group reconfiguration according to an embodiment of the present invention
  • FIG. 4 is a specific flowchart of a method for avoiding uplink interference after re-allocation of time advance group according to an embodiment of the present invention
  • FIG. 5 is a schematic diagram of avoiding time-adjusted group reconfiguration after uplink time according to an embodiment of the present invention
  • FIG. 1 is a flowchart of a method for reconfiguring a terminal from a pTAG to a new sTAG and obtaining a TA value according to an embodiment of the present invention
  • FIG. 3 is a flowchart of an uplink interference method for avoiding time advance group reconfiguration according to an embodiment of the present invention
  • FIG. 4 is a specific flowchar
  • FIG. 6 is a specific flowchart of a method for avoiding uplink interference after re-allocation of time advance group according to an embodiment of the present invention
  • FIG. 7 is a diagram of avoiding timing advance group weight according to an embodiment of the present invention
  • FIG. 8 is a flowchart of a method for avoiding uplink interference after re-allocation of time advance group according to an embodiment of the present invention
  • FIG. 9 is a flowchart of avoiding time advance according to an embodiment of the present invention
  • FIG. 10 is a flowchart of a method for avoiding uplink interference after re-allocation of time advance group according to an embodiment of the present invention
  • FIG. 11 is a flowchart of the present invention.
  • FIG. 12 is a structural diagram of an uplink interference device after avoiding time advance quantity group reconfiguration according to an embodiment of the present invention
  • FIG. 12 is a structural diagram of an uplink interference device after avoiding time advance quantity group reconfiguration
  • FIG. 14 is a structural diagram of an uplink interference device after avoiding time advance group reconfiguration according to an embodiment of the present invention
  • FIG. 2 is a flowchart of reconfiguring a terminal from a pTAG to a new sTAG and obtaining a TA value according to an embodiment of the present invention.
  • This embodiment can be applied to the second scenario in FIG. 1 , and can also be applied to scenario 2 and scenario 3 of carrier aggregation.
  • scenario 2 and scenario 3 multiple serving cells configured for the terminal are carriers in different frequency bands. In the case of a probability of 2%-3%, the uplink time advancement of these serving cells will be different, and the process of reconfiguring pTAG into a new sTAG and obtaining the TA value is required.
  • Step 201 The base station determines that the secondary serving cell of the terminal needs to perform reconfiguration of the TAG.
  • the base station transmits wireless resource reconfiguration signaling to the terminal.
  • the terminal performs TAG reconfiguration of the secondary serving cell, that is, the secondary serving cell is reconfigured from the pTAG to the IJsTAG.
  • Tl The point in time when the reconfiguration is completed.
  • Step 202 The terminal returns a reconfiguration complete message to the base station.
  • Step 203 The base station sends a physical downlink control channel command (PDCCH order) to the terminal to trigger the terminal to initiate a random access procedure on the secondary serving cell.
  • PDCCH order a physical downlink control channel command
  • Step 204 The terminal sends a preamble (Preamble) in the secondary serving cell.
  • Step 205 The base station returns a response (RAR) for the secondary serving cell to the terminal, where the response includes a TA value. At this time, the time when the terminal receives the TA value of the new TAG is recorded as T2.
  • the TA value can also be obtained from the TA command media access control layer layer control element (TA command MAC CE).
  • TA command MAC CE the TA command media access control layer layer control element
  • FIG. 3 is a flowchart of a method for avoiding uplink interference after re-allocation of time advance group according to an embodiment of the present invention.
  • Step 301 The terminal reconfigures the TAG to which the secondary serving cell belongs.
  • Step 302 After the terminal completes the TAG reconfiguration of the serving cell, if the current TAG is a new TAG, the terminal stops the periodic channel sounding reference signal (Type-0 SRS) transmission on the secondary serving cell. And/or the terminal stops uplink non-adaptive retransmission on the secondary serving cell.
  • the terminal stops the periodic channel sounding reference signal (Type-0 SRS) transmission on the secondary serving cell.
  • the terminal stops uplink non-adaptive retransmission on the secondary serving cell.
  • step 302 the terminal cancels the aperiodic SRS (Type-1 SRS) transmission in the secondary serving cell if there is an aperiodic channel sounding reference signal waiting to be transmitted on the serving cell.
  • aperiodic SRS Type-1 SRS
  • the terminal further includes, after receiving the TA value of the new TAG, that is, for example, the time point T2 in FIG. 2, the terminal may restart the transmission of the Type-0 SRS on the serving cell, and/ Or restart the uplink non-adaptive retransmission on the serving cell.
  • the embodiment of the present invention can prevent the terminal from updating the TA value after performing TAG reconfiguration, thereby using the old TA value to communicate with the access point in the new TAG, causing interference to other terminals, especially for the terminal service.
  • FIG. 4 is a specific flowchart of a method for avoiding uplink interference after re-allocation of time advance group according to an embodiment of the present invention.
  • Step 401 For the secondary serving cell, after the radio resource control protocol layer (RRC layer) of the terminal completes the TAG reconfiguration of the secondary serving cell, the TAG index (TAG index) of the TAG to which the serving cell belongs and the TAG The Time Advance Timer (TAT) used is notified to the Medium Access Control Protocol layer (MAC layer).
  • RRC layer radio resource control protocol layer
  • Step 402 After receiving the TAG reconfiguration notification from the serving cell of the RRC layer, the MAC layer of the terminal determines whether the serving cell is reconfigured to a new TAG. One or more TAGs may be maintained in the terminal. If the currently reconfigured TAG is the same as the TAG being maintained by the terminal, the current reconfigured TAG is not new, and the process proceeds to step 405; otherwise, the current reconfiguration is performed. The TAG is new and proceeds to step 403. If the terminal maintains other TAGs, the corresponding TA value is known, and the terminal can use the TA value for uplink communication without causing interference to other terminals.
  • Step 403 The terminal stops the transmission of the Type-0 SRS on the secondary serving cell; the terminal cancels the transmission of the Type-1 SRS on the secondary serving cell; the terminal stops the uplink non-adaptive retransmission on the secondary serving cell .
  • the terminal may use one or several of the above three processing methods depending on which uplink communication the terminal has on the serving cell.
  • the terminal may stop using any one of the following two methods in the uplink non-adaptive retransmission on the serving cell.
  • the terminal keeps all the uplink hybrid automatic retransmission request feedback flags. Change (which may include a flag for successful transmission and a flag for transmission failure), and stop uplink non-adaptive retransmission on the serving cell;
  • the second method is, the terminal sets the uplink hybrid automatic retransmission request feedback flag to The flag of successful transmission, so that the uplink non-adaptive retransmission on the serving cell stops.
  • Step 404 after the terminal receives the TA value for the newly configured TAG, for example, receiving the TA value in the manner of the embodiment in FIG. 2, the terminal restarts the transmission of the Type-0 SRS on the secondary serving cell, and/ Or the terminal restarts the uplink non-adaptive retransmission on the serving cell (for the first mode described above), the foregoing two restarting transmissions are also determined by the uplink communication requirement that the terminal may exist in the serving cell. .
  • Step 405 The terminal performs uplink communication normally in the serving cell by using a known TA value.
  • FIG. 5 is a flowchart of a method for avoiding uplink interference after re-allocation of time advance group according to an embodiment of the present invention.
  • Step 501 The terminal reconfigures the TAG to which the secondary serving cell belongs.
  • Step 502 After the terminal completes the TAG reconfiguration of the serving cell, if the current TAG is a new TAG, the terminal releases the Type-0 SRS configuration of the serving cell, and/or the terminal stops at the time. Uplink non-adaptive retransmission on the serving cell.
  • the Type-0 SRS configuration of the release terminal prevents the terminal from performing Type-0 SRS uplink communication.
  • the method further includes: if there is a non-periodic channel sounding reference signal waiting to be transmitted on the serving cell No., the terminal cancels the Type-1 SRS transmission on the serving cell.
  • the terminal may further restart the uplink non-adaptive retransmission on the serving cell after the terminal receives the TA value of the new TAG, that is, for example, the time point T2 in FIG.
  • the embodiment of the present invention can prevent the terminal from updating the threshold after the TAG reconfiguration, so that the old TA value is used to communicate with the access point in the new TAG, causing interference to other terminals, especially for the terminal service.
  • FIG. 6 is a specific flowchart of a method for avoiding uplink interference after re-allocation of time advance group according to an embodiment of the present invention.
  • Step 601 For the secondary serving cell, after the RRC layer of the terminal completes the TAG reconfiguration of the secondary serving cell, the TAG index (TAG index) of the TAG to which the serving cell belongs and the TAG The time advance timer (TAT) used is notified to the media access control protocol layer (MAC layer) of the terminal.
  • TAG index TAG index
  • MAC layer media access control protocol layer
  • Step 602 The RRC layer of the terminal determines whether the secondary serving cell is re-allocated to a new TAG, and one or more TAGs may be maintained in the terminal. If the reconfigured TAG is the same as a certain TAG being maintained by the terminal, The reconfigured TAG is not new, and the process proceeds to step 607; otherwise, the reconfigured TAG is new, and the process proceeds to step 603.
  • Step 603 The terminal releases the configuration of the Type-0 SRS.
  • Step 604 After receiving the TAG reconfiguration notification from the serving cell of the RRC layer, the MAC layer of the terminal determines whether the serving cell is reconfigured to a new TAG. One or more TAGs may be maintained in the terminal. If the currently reconfigured TAG is the same as the TAG being maintained by the terminal, the currently reconfigured TAG is not new, and the process proceeds to step 607; otherwise, the reconfigured TAG is new. Go to step 605. If the terminal maintains other TAGs, the corresponding TA value is known, and the terminal can use the TA value for uplink communication without causing interference to other terminals. .
  • Step 605 The terminal cancels the transmission of the Type-1 SRS on the serving cell; the terminal stops the uplink non-adaptive retransmission on the serving cell.
  • the terminal may adopt one or more of the three processing methods in the foregoing steps 603 and 605, which are determined according to which uplink communication exists in the serving cell by the terminal.
  • the terminal may stop using any one of the following two methods in the uplink non-adaptive retransmission on the serving cell.
  • the terminal keeps all the uplink hybrid automatic retransmission request feedback flags. Change (which may include a flag for successful transmission and a flag for transmission failure), and stop uplink non-adaptive retransmission on the serving cell;
  • the second method is, the terminal sets the uplink hybrid automatic retransmission request feedback flag to The flag of successful transmission, so that the uplink non-adaptive retransmission on the serving cell stops.
  • Step 606 After receiving the TA value for the current TAG, the terminal receives the TA, for example, by using the embodiment in FIG. Value, restarting the uplink non-adaptive retransmission of the terminal on the serving cell (for the first mode described above).
  • Step 607 The terminal performs uplink communication normally in the secondary serving cell by using a known TA value.
  • FIG. 7 is a flowchart of a method for avoiding uplink interference after re-allocation of time advance group according to an embodiment of the present invention.
  • Step 701 The terminal reconfigures the TAG to which the secondary serving cell belongs.
  • Step 702 After the terminal completes the TAG reconfiguration of the serving cell, if the current TAG is a new TAG, the terminal stops Type-0 SRS transmission on the serving cell, and/or clears the serving cell. Corresponding to all upstream hybrid automatic repeat request cache (HARQ buffer). The clearing of the HARQ buffer of the terminal in the serving cell may prevent the terminal from performing uplink non-adaptive retransmission.
  • HARQ buffer Corresponding to all upstream hybrid automatic repeat request cache
  • step 702 the method further includes: if there is an aperiodic channel sounding reference signal waiting to be transmitted on the serving cell, the terminal cancels the Type-1 SRS transmission on the secondary serving cell.
  • the terminal further restarts the transmission of the Type-0 SRS on the serving cell after the terminal receives the TA value of the new TAG, that is, for example, the time point T2 in FIG.
  • the embodiment of the present invention can prevent the terminal from updating the TA value after performing TAG reconfiguration, thereby using the old TA value to communicate with the access point in the new TAG, causing interference to other terminals, especially for the terminal service.
  • FIG. 8 is a specific flowchart of a method for avoiding uplink interference after re-allocation of time advance group according to an embodiment of the present invention.
  • Step 801 For the secondary serving cell, after the radio resource control protocol layer (RRC layer) of the terminal completes the TAG reconfiguration of the secondary serving cell, the TAG index (TAG index) of the TAG to which the serving cell belongs and the TAG The Time Advance Timer (TAT) used is notified to the Medium Access Control Protocol layer (MAC layer).
  • RRC layer radio resource control protocol layer
  • Step 802 after the MAC layer receives the TAG reconfiguration notification from the serving cell of the RRC layer, the MAC layer of the terminal determines whether the serving cell is reconfigured to a new TAG, and one or more of the terminals may be maintained in the terminal.
  • TAG if the currently reconfigured TAG is the same as the TAG being maintained by the terminal, the reconfigured TAG is not a new TAG, and the process proceeds to step 805; otherwise, the reconfigured TAG is a new TAG, and the process proceeds to step 803. If the terminal maintains other TAGs, the corresponding TA value is known, and the terminal can use the TA value for uplink communication without causing interference to other terminals.
  • Step 803 The terminal stops the transmission of the Type-0 SRS on the secondary serving cell; the terminal cancels the transmission of the Type-1 SRS on the secondary serving cell; and clears all the uplink HARQ buffers corresponding to the secondary serving cell.
  • the terminal may adopt one or several of the above three processing methods, which is determined according to which uplink communication the terminal has in the serving cell.
  • Step 804 after the terminal receives the TA value for the current TAG, for example, receiving the TA value in the manner of the embodiment in FIG. 2, restarting the transmission of the Type-0 SRS of the terminal on the serving cell, the foregoing restarting Retransmission is also dependent on the uplink communication requirements that the terminal may have in the serving cell.
  • Step 805 The terminal performs uplink communication normally by using the known TA value in the serving cell.
  • FIG. 9 is a flowchart of a method for avoiding uplink interference after re-allocation of time advance quantity groups according to an embodiment of the present invention.
  • Step 901 The terminal reconfigures the TAG to which the secondary serving cell belongs.
  • Step 902 After the terminal completes the TAG reconfiguration of the serving cell, if the current TAG is a new TAG, the terminal releases the Type-0 SRS configuration, and/or clears all uplink HARQ buffers corresponding to the serving cell. .
  • the clearing of the uplink HARQ buffer corresponding to the secondary serving cell may prevent the terminal from performing uplink non-adaptive retransmission, and the Type-0 SRS configuration of the releasing terminal prevents the terminal from performing Type-0 SRS uplink communication. .
  • the foregoing step 902 further includes: if there is an aperiodic channel sounding reference signal waiting to be transmitted on the serving cell, the terminal cancels the Type-1 SRS transmission on the secondary serving cell.
  • the embodiment of the present invention can prevent the terminal from updating the TA value after performing TAG reconfiguration, thereby using the old TA value to communicate with the access point in the new TAG, causing interference to other terminals, especially for the terminal service.
  • FIG. 10 is a specific flowchart of a method for avoiding uplink interference after re-allocation of time advance group according to an embodiment of the present invention.
  • Step 1001 For the secondary serving cell, after the RRC layer of the terminal completes the TAG reconfiguration of the secondary serving cell, the TAG index (TAG index) of the TAG to which the secondary serving cell belongs and the TAG The Time Advance Timer (TAT) used is notified to the Medium Access Control Protocol layer (MAC layer).
  • TAG index TAG index
  • TAG index Time Advance Timer
  • MAC layer Medium Access Control Protocol layer
  • Step 1002 The RRC layer of the terminal determines whether the serving cell is re-allocated to a new TAG, and one or more TAGs may be maintained in the terminal. If the currently reconfigured TAG is the same as the TAG being maintained by the terminal, the reconfigured TAG is not a new TAG, and the process proceeds to step 1006; otherwise, the reconfigured TAG is a new TAG, and the process proceeds to step 1003.
  • Step 1003 The terminal releases the configuration of the Type-0 SRS of the serving cell.
  • Step 1004 After receiving the TAG reconfiguration notification of the serving cell from the RRC layer, the MAC layer of the terminal determines whether the serving cell is reconfigured to a new TAG, and one or more of the TAG may be maintained in the terminal. TAG. If the currently reconfigured TAG is the same as a certain TAG being maintained by the terminal, the process proceeds to step 1006, otherwise, the process proceeds to step 1005. If the terminal maintains other TAGs, the corresponding TA value is known, and the terminal can use the TA value for uplink communication without causing interference to other terminals. Step 1005: The terminal cancels the transmission of Type-1 SRS on the serving cell; clears all uplink HARQ buffers corresponding to the serving cell.
  • the terminal may adopt one or more of the three processing methods in the foregoing steps 1003 and 1005, which is determined according to which uplink communication exists in the serving cell by the terminal.
  • Step 1006 The terminal performs uplink communication normally in the serving cell by using a known TA value.
  • FIG. 11 is a structural diagram of an uplink interference device after avoiding time advance group reconfiguration according to an embodiment of the present invention.
  • the TAG reconfiguration unit 1101, the judging unit 1102, and the executing unit 1103 are included.
  • the TAG reconfiguration unit 1101 is configured to reconfigure a TAG to which the secondary serving cell belongs.
  • the determining unit 1102 is configured to determine whether the reconfigured TAG is a new TAG, and if yes, notify the executing unit 1103.
  • the executing unit 1103 is configured to stop the Type-0 SRS transmission of the terminal on the secondary serving cell according to the notification sent by the determining unit 1102, and/or stop the uplink non-location of the terminal on the secondary serving cell. Adaptive retransmission.
  • the executing unit 1103 is further configured to cancel the Type-1 SRS transmission of the terminal on the secondary service cell according to the notification sent by the determining unit 1102.
  • the apparatus further includes a notifying unit 1104, and when the terminal receives the TA value of the new TAG, that is, for example, the time point T2 in FIG. 2, the execution unit 1103 is notified. At this time, the executing unit 1103 may restart the transmission of the Type-0 SRS of the terminal on the serving cell, and/or restart the uplink non-adaptive retransmission of the terminal on the serving cell.
  • the embodiment of the device of the present invention can prevent the terminal from updating the TA value after performing TAG reconfiguration, thereby using the old TA value to communicate with the access point in the new TAG, causing interference to other terminals, especially for the terminal.
  • FIG. 12 is a structural diagram of an uplink interference device after avoiding time advance group reconfiguration according to an embodiment of the present invention.
  • the TAG reconfiguration unit 1201, the judging unit 1202, and the executing unit 1203 are included.
  • the TAG reconfiguration unit 1201 is configured to reconfigure the TAG to which the secondary serving cell belongs.
  • the determining unit 1202 is configured to determine whether the TAG after the reconfiguration is a new TAG, and if yes, notify the executing unit 1203.
  • the executing unit 1203 is configured to release the Type-0 SRS configuration of the terminal on the secondary serving cell according to the notification sent by the determining unit 1202, and/or stop the uplink of the terminal on the secondary serving cell. Non-adaptive retransmission.
  • the executing unit 1203 is further configured to cancel, according to the notification sent by the determining unit 1202, that the terminal is small in the service. Type-1 SRS transmission on the zone.
  • the apparatus further includes a notification unit 1204, when the terminal receives After the TA value of the new TAG, that is, for example, the time point T2 in FIG. 2, the execution unit 1203 is notified. At this time, the execution unit 1203 can also restart the uplink non-adaptive retransmission on the serving cell.
  • the embodiment of the device of the present invention can prevent the terminal from updating the threshold after the TAG reconfiguration, so that the old TA value is used to communicate with the access point in the new TAG, causing interference to other terminals, especially for the terminal.
  • FIG. 13 is a structural diagram of an uplink interference device after avoiding time advance quantity group reconfiguration according to an embodiment of the present invention.
  • the TAG reconfiguration unit 1301, the judging unit 1302, and the executing unit 1303 are included.
  • the TAG reconfiguration unit 1301 is configured to reconfigure the TAG to which the secondary serving cell belongs.
  • the determining unit 1302 is configured to determine whether the reconfigured TAG is a new TAG, and if yes, notify the executing unit 1303.
  • the executing unit 1303 is configured to stop the Type-0 SRS transmission of the terminal in the secondary serving cell according to the notification sent by the determining unit 1302, and/or clear all uplinks corresponding to the secondary serving cell of the terminal.
  • the executing unit 1303 is further configured to cancel the Type-1 SRS transmission of the terminal on the secondary service cell according to the notification sent by the determining unit 1302.
  • the apparatus further includes a notifying unit 1304, and when the terminal receives the TA value of the new TAG, that is, for example, the time point T2 in FIG. 2, the execution unit 1303 is notified. At this time, the execution unit 1303 can also restart the transmission of the Type-0 SRS on the serving cell.
  • the embodiment of the device of the present invention can prevent the terminal from updating the TA value after performing TAG reconfiguration, thereby using the old TA value to communicate with the access point in the new TAG, causing interference to other terminals, especially for the terminal.
  • FIG. 14 is a structural diagram of an uplink interference device after avoiding time advance group reconfiguration according to an embodiment of the present invention.
  • the TAG reconfiguration unit 1401, the determining unit 1402, and the executing unit 1403 are included.
  • the TAG reconfiguration unit 1401 is configured to reconfigure the TAG to which the secondary serving cell belongs.
  • the determining unit 1402 is configured to determine whether the reconfigured TAG is a new TAG, and if yes, notify the execution order Yuan 1403.
  • the executing unit 1403 is configured to release the Type-0 SRS configuration of the secondary serving cell of the terminal according to the notification sent by the determining unit 1302, and/or clear all uplink HARQs corresponding to the secondary serving cell of the terminal. Buffer.
  • the executing unit 1403 is further configured to cancel the Type-1 SRS transmission of the terminal on the secondary service cell according to the notification sent by the determining unit 1402.
  • the embodiment of the device of the present invention can prevent the terminal from updating the TA value after performing TAG reconfiguration, thereby using the old TA value to communicate with the access point in the new TAG, causing interference to other terminals, especially for the terminal.
  • the above apparatus and method of the present invention may be implemented by hardware, or may be implemented by hardware in combination with software.
  • the present invention relates to a computer readable program that, when executed by a logic component, enables the logic component to implement the apparatus or components described above, or to cause the logic component to implement the various methods described above Or steps.
  • Logic components such as field programmable logic components, microprocessors, processors used in computers, and the like.
  • the present invention also relates to a storage medium for storing the above program, such as a hard disk, a magnetic disk, an optical disk, a DVD, a flash memory, or the like.

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Abstract

本发明实施例提供一种避免时间提前量组重配后上行干扰的方法及装置,其中方法包括终端进行次服务小区所属的TAG的重配过程;该终端完成TAG重配后,如果当前的TAG是新的TAG则所述终端停止在该次服务小区中的周期性信道探测参考信号Type-0 SRS传输,和/或停止所述终端在该次服务小区上的上行非自适应重传。通过本发明实施例可以避免终端在次服务小区上根据错误的TA值来发送上行信号,导致的与其它终端的相互干扰的问题。

Description

避免时间提前量组重配后上行干扰的方法及装置
技术领域
本发明涉及通信领域, 特别涉及一种避免时间提前量组重配后上行干扰的方法及装置。 背景技术
在增强的长期演进 (LTE-Advanced, LTE-A)系统的 Rel-10中, 为了向终端提供更高的 传输速率引入了载波聚合技术, 并且定义了载波聚合技术的 5 种部署场景。 但是 Rel-10 中, 对于上行链路, 只支持频段内的载波聚合。 同时, 对于场景 4和场景 5, 即不同载波 的上行信号的接收站点不同的场景, 不支持上行链路的载波聚合技术。 在 LTE-A Rel-11 中, 对载波聚合技术进行了进一步增强, 其中增强的一方面为对于上行链路, 可以支持不 同频段内的载波聚合, 同时在场景 4和场景 5也要支持上行载波聚合。
当终端配置的次服务小区的上行信号的时间提前量与该次服务小区当前所在的时间 提前量组 (Timing Advance Group, TAG) 的时间提前量不同时, 需要将该次服务小区重新 配置到一个正确的 TAG中, 如图 1所示为需要重新配置时间提前量组的示意图, 在该图中 基站 (eNB) 为终端配置了主服务小区 fl, 次服务小区 f2, 且它们属于同一个频段。
第 1种情况, 在 T1时刻终端位于 A点, 此时次服务小区(Scell )和主服务小区(Pcell ) 的接收站点相同都为 eNB, 因此属于同一个 TAG, 定义为 pTAG (gpPCell所在的 TAG)。 在 T2 时刻, 终端移动到了中继设备 (repeater) 覆盖的范围内 (例如 B点) , 此时次服务小区 上的上行信号的接收站点变为 repeater,与主服务小区的接收站点不同。 因此次服务小区 不再适合与主服务小区归属于同一个 TAG, 需要将该次服务小区重配置到一个新的 TAG中, 定义为 sTAG (即只有 SCell的 TAG)。
第 2种情况, 与第 1种情况相反, 终端从 repeater覆盖的范围内移动到 eNB覆盖的范内。 这种情况下, 需要将该终端的次服务小区从 sTAG重配置到 pTAG中。
对于上述的第 2种情况, 当将次服务小区重配置到 pTAG中后, 由于 pTAG的时间提前 量(TA)值是已知, 因此当重配过程完成后, 终端可以立刻在次服务小区上发送上行信号。 而对于第 1种情况, 当次服务小区重配置到一个新的 sTAG后, 由于新的 sTAG的上行 TA 值未知, 当重配过程完成后, 终端需要在该次服务小区上执行随机接入过程来获得该 sTAG 的初始的 TA值。 但是终端在获得该 sTAG的 TA值过程中, 如果终端在 Scell 上根据 pTAG 的 TA值来发送上行信号, 由于该 TA值无法保证该终端的上行信号到达 repeater的时间 与其它终端的到达时间是同步的, 因此有可能会导致与其它终端的相互干扰。 应该注意, 上面对技术背景的介绍只是为了方便对本发明的技术方案进行清楚、 完整 的说明, 并方便本领域技术人员的理解而阐述的。 不能仅仅因为这些方案在本发明的背景 技术部分进行了阐述而认为上述技术方案为本领域技术人员所公知。 发明内容
本发明实施例提供了一种避免时间提前量组重配后上行干扰的方法及装置, 用于解决 现有技术中终端进行 TAG重配后使用旧的 TA值与新的上行接入点进行上行通信时, 由于上 行信号到达上行接入点的时间与其它终端不同步的原因造成干扰的问题。
本发明实施例提供了一种避免时间提前量组重配后上行干扰的方法, 所述方法包括, 终端对次服务小区所属的时间提前量组进行重配;
该终端完成该次服务小区的时间提前量组的重配后, 如果当前的时间提前量组是新的 时间提前量组则所述终端停止在该次服务小区上的周期性信道探测参考信号传输, 和 /或 所述终端停止在该次服务小区上的上行非自适应重传。
本发明实施例还提供了一种避免时间提前量组重配后上行干扰的方法, 所述方法包括, 终端对次服务小区所属的时间提前量组进行重配;
该终端完成该次服务小区的时间提前量组重配后, 如果当前的时间提前量组是新的时 间提前量组则所述终端释放该次服务小区的周期性信道探测参考信号配置, 和 /或停止在 该次服务小区上的上行非自适应重传。
本发明实施例还提供了一种避免时间提前量组重配后上行干扰的方法, 所述方法包括, 终端对次服务小区所属的时间提前量组进行重配;
该终端完成该次服务小区的时间提前量组重配后, 如果当前的时间提前量组是新的时 间提前量组则所述终端停止在该次服务小区上的周期性信道探测参考信号传输, 和 /或清 空该次服务小区对应的的所有上行混合自动重传请求的缓存。
本发明实施例还提供了一种避免时间提前量组重配后上行干扰的方法, 所述方法包括, 终端对次服务小区所属的时间提前量组进行重配;
该终端完成该次服务小区的时间提前量组重配后, 如果当前的时间提前量组是新的时 间提前量组则所述终端释放该次服务小区的周期性信道探测参考信号配置, 和 /或清空该 次服务小区对应的所有上行混合自动重传请求的缓存。
本发明实施例还提供了一种避免时间提前量组重配后上行干扰的装置, 所述装置包括, 时间提前量组重配单元, 用于对次服务小区所属的时间提前量组进行重配; 判断单元, 用于判断重配后的时间提前量组是否是新的时间提前量组, 如果是则通知 所述执行单元;
所述执行单元, 用于根据所述判断单元发送的通知停止所述终端在该次服务小区上的 周期性信道探测参考信号传输, 和 /或停止所述终端在该次服务小区上的上行非自适应重传。
本发明实施例还提供了一种避免时间提前量组重配后上行干扰的装置, 所述装置包括, 时间提前量组重配单元, 用于对次服务小区所属的时间提前量组进行重配; 判断单元, 用于判断重配后的时间提前量组是否是新的时间提前量组, 如果是则通知 所述执行单元;
所述执行单元, 用于根据所述判断单元发送的通知释放所述终端在所述次服务小区上 的周期性信道探测参考信号配置, 和 /或停止所述终端在该次服务小区上的上行非自适应 重传。
本发明实施例还提供了一种避免时间提前量组重配后上行干扰的装置, 所述装置包括, 时间提前量组重配单元, 用于对次服务小区所属的时间提前量组进行重配; 判断单元, 用于判断重配后的时间提前量组是否是新的时间提前量组, 如果是则通知 所述执行单元;
所述执行单元, 用于根据所述判断单元发送的通知停止所述终端在该次服务小区上的 周期性信道探测参考信号传输, 和 /或清空所述终端的次服务小区对应的所有上行混合自 动重传请求的缓存。
本发明实施例还提供了一种避免时间提前量组重配后上行干扰的装置, 所述装置包括, 时间提前量组重配单元, 用于对次服务小区所属的时间提前量组进行重配; 判断单元, 用于判断重配后的时间提前量组是否是新的时间提前量组, 如果是则通知 所述执行单元;
所述执行单元, 用于根据所述判断单元发送的通知释放所述终端的该次服务小区的周 期性信道探测参考信号配置, 和 /或清空所述终端的该次服务小区对应的所有上行混合自 动重传请求的缓存。
本发明实施例的有益效果在于, 可以避免终端在由于进行 TAG重配后还未更新 TA值, 从而使用旧的 TA值与新的 TAG中的接入点通信造成对其它终端的干扰。
参照后文的说明和附图, 详细公开了本发明的特定实施方式, 指明了本发明的原理可 以被采用的方式。 应该理解, 本发明的实施方式在范围上并不因而受到限制。 在所附权利 要求的精神和条款的范围内, 本发明的实施方式包括许多改变、 修改和等同。 针对一种实施方式描述和 /或示出的特征可以以相同或类似的方式在一个或更多个其 它实施方式中使用, 与其它实施方式中的特征相组合, 或替代其它实施方式中的特征。
应该强调, 术语 "包括 /包含"在本文使用时指特征、 整件、 步骤或组件的存在, 但 并不排除一个或更多个其它特征、 整件、 步骤或组件的存在或附加。
附图说明
此处所说明的附图用来提供对本发明的进一步理解, 构成本申请的一部分, 并不构成 对本发明的限定。 在附图中:
图 1所示为需要重新配置时间提前量组的示意图;
图 2所示为本发明实施例终端从 pTAG重配置到一个新的 sTAG并获得 TA值的流程图; 图 3所示为本发明实施例一种避免时间提前量组重配后上行干扰方法的流程图; 图 4所示为本发明实施例一种避免时间提前量组重配后上行干扰方法的具体流程图; 图 5所示为本发明实施例一种避免时间提前量组重配后上行干扰方法的流程图; 图 6所示为本发明实施例一种避免时间提前量组重配后上行干扰方法的具体流程图; 图 7所示为本发明实施例一种避免时间提前量组重配后上行干扰方法的流程图; 图 8所示为本发明实施例一种避免时间提前量组重配后上行干扰方法的具体流程图; 图 9所示为本发明实施例一种避免时间提前量组重配后上行干扰方法的流程图; 图 10所示为本发明实施例一种避免时间提前量组重配后上行干扰方法的具体流程图; 图 11所示为本发明实施例一种避免时间提前量组重配后上行干扰装置的结构图; 图 12所示为本发明实施例一种避免时间提前量组重配后上行干扰装置的结构图; 图 13所示为本发明实施例一种避免时间提前量组重配后上行干扰装置的结构图; 图 14所示为本发明实施例一种避免时间提前量组重配后上行干扰装置的结构图。 具体实施方式
为使本发明的目的、 技术方案和优点更加清楚, 下面结合附图对本发明的具体实施例 进行详细说明。 在此, 本发明的示意性实施例及其说明用于解释本发明, 但并不作为对本 发明的限定。
实施例一
如图 2所示为本发明实施例终端从 pTAG重配置到一个新的 sTAG并获得 TA值的流程图。 本实施例可以适用于图 1中的第 2中情况, 还可以适用于载波聚合的场景 2和场景 3, 在 场景 2和场景 3下当配置给终端的多个服务小区为不同频段内的载波时, 在 2%-3%的概率情 况下, 这些服务小区的上行时间提前量会不相同, 需要进行 pTAG重配置到一个新的 sTAG中 并获得 TA值的过程。
步骤 201, 基站判断出终端的次服务小区需要进行 TAG的重配置。 基站向该终端发送无 线资源重配信令。 终端执行所述次服务小区的 TAG重配, 即将所述次服务小区从 pTAG重配 至 IJsTAG。 重配完成的时间点记为 Tl。
步骤 202, 终端向基站返回重配完成的消息。
步骤 203, 基站向终端发送物理下行控制信道命令 (PDCCH order ) 触发终端在所述次 服务小区上发起随机接入过程。
步骤 204, 终端在所述次服务小区发送前导码 (Preamble ) 。
步骤 205, 基站向终端返回针对所述次服务小区的响应(RAR), 在该响应中包括 TA值。 此时终端接收到新 TAG的 TA值的时间记为 T2。
通过上述步骤 203-205获得的 TA值以外, 还可以从 TA命令媒体接入控制协议层控制元 素 (TA command MAC CE ) 中获得 TA值。
实施例二
如图 3所示为本发明实施例一种避免时间提前量组重配后上行干扰方法的流程图。 步骤 301, 终端对次服务小区所属的 TAG进行重配。
步骤 302, 该终端完成该次服务小区的 TAG重配后, 如果当前的 TAG是新的 TAG则所述终 端停止在该次服务小区上的周期性信道探测参考信号 (Type-0 SRS ) 传输, 和 /或所述终 端停止在该次服务小区上的上行非自适应重传。
在步骤 302中还包括, 如果该次服务小区上有等待传输的非周期信道探测参考信号, 终端取消在该次服务小区中的非周期性 SRS ( Type-1 SRS ) 传输。
在所述步骤 302之后还包括, 当终端接收到新 TAG的 TA值后, 即例如图 2中时间点 T2, 该终端还可以重新开始该次服务小区上的 Type-0 SRS的传输, 和 /或重新开始该次服务小 区上的上行非自适应重传。
通过本发明实施例可以避免终端在由于进行 TAG重配后还未更新 TA值, 从而使用旧的 TA值与新的 TAG中的接入点通信造成对其它终端的干扰, 特别针对终端在次服务小区上根 据错误的 TA值来发送上行信号, 导致的与其它终端的相互干扰的问题。
实施例三 如图 4所示为本发明实施例一种避免时间提前量组重配后上行干扰方法的具体流程图。 步骤 401, 对于次服务小区, 终端的无线资源控制协议层 (RRC层) 完成对所述次服务 小区的 TAG重配后, 将该次服务小区所属的 TAG的 TAG索引 (TAG index ) 和该 TAG使用的时 间提前量计时器 (TAT ) 通知给媒体接入控制协议层 (MAC层) 。
步骤 402, MAC层收到来自 RRC层的该次服务小区的 TAG重配置通知后, 终端的 MAC层判 断该次服务小区是否重配到了一个新的 TAG。 在终端中可能维护有一个或者多个 TAG, 如果 当前重配后的 TAG与终端正在维护的某个 TAG相同, 则说明当前重配的 TAG不是新的, 进入 步骤 405 ; 否则说明当前重配的 TAG是新的, 进入步骤 403。其中, 如果终端维护有其它 TAG, 则相应的 TA值已知, 终端可以利用该 TA值进行上行通信而不会对其它终端产生干扰。
步骤 403, 终端停止在该次服务小区上的 Type-0 SRS的传输; 终端取消在该次服务小 区上的 Type-1 SRS的传输; 终端停止在该次服务小区上的上行非自适应重传。 终端可以采 用以上三种处理方法的一种或者数种, 这是根据终端在该次服务小区上存在哪种上行通信 而定。
其中, 终端停止在该次服务小区上的上行非自适应重传时可以采用下面两种方式中的 任意一种, 第一种方式为, 所述终端保持所有上行混合自动重传请求反馈标志不变 (其中 可能包括传输成功的标志和传输失败的标志) , 并停止在该次服务小区上的上行非自适应 重传; 第二种方式为, 终端将上行混合自动重传请求反馈标志设置为传输成功的标志, 这 样就可以使得在该次服务小区上的上行非自适应重传停止。
步骤 404, 当终端收到针对新配置的 TAG的 TA值后, 例如通过图 2中实施例的方式接收 到 TA值, 终端重新开始在该次服务小区上的 Type-0 SRS的传输, 和 /或终端重新开始在该 次服务小区上的上行非自适应重传 (针对上述第一种方式) , 上述两种重新开始的传输也 是视终端在该次服务小区中可能存在的上行通信需求而定。
步骤 405, 终端在该次服务小区中利用已知的 TA值正常进行上行通信。
实施例四
如图 5所示为本发明实施例一种避免时间提前量组重配后上行干扰方法的流程图。 步骤 501, 终端对次服务小区所属的 TAG进行重配。
步骤 502, 该终端完成该次服务小区的 TAG重配后, 如果当前的 TAG是新的 TAG则所述终 端释放该次服务小区的 Type-0 SRS配置, 和 /或所述终端停止在该次服务小区上的上行非 自适应重传。 所述释放终端的 Type-0 SRS配置使得终端不能够进行 Type-0 SRS上行通信。
在上述步骤 502中还包括, 如果该次服务小区上有等待传输的非周期信道探测参考信 号, 终端取消在该次服务小区上的 Type-1 SRS传输。
在所述步骤 502之后还包括, 当终端接收到新 TAG的 TA值后, 即例如图 2中时间点 T2, 该终端还可以重新开始该次服务小区上的上行非自适应重传。
通过本发明实施例可以避免终端在由于进行 TAG重配后还未更新 ΤΑ值, 从而使用旧的 TA值与新的 TAG中的接入点通信造成对其它终端的干扰, 特别针对终端在次服务小区上根 据错误的 TA值来发送上行信号, 导致的与其它终端的相互干扰的问题。
实施例五
如图 6所示为本发明实施例一种避免时间提前量组重配后上行干扰方法的具体流程图。 步骤 601, 对于次服务小区, 终端的无线资源控制协议层 (RRC层) 完成对所述次服务 小区的 TAG重配后, 将该次服务小区所属的 TAG的 TAG索引 (TAG index ) 和该 TAG使用的时 间提前量计时器 (TAT ) 通知给终端的媒体接入控制协议层 (MAC层) 。
步骤 602, 终端的 RRC层判断该次服务小区是否重配到了一个新的 TAG, 在终端中可能 维护有一个或者多个 TAG, 如果重配后的 TAG与终端正在维护的某个 TAG相同, 则该重配的 TAG不是新的, 进入步骤 607 ; 否则该重配的 TAG是新的, 进入步骤 603。
步骤 603, 终端释放 Type-0 SRS的配置。
步骤 604, MAC层收到来自 RRC层的该次服务小区的 TAG重配置通知后, 终端的 MAC层判 断该次服务小区是否重配到了一个新的 TAG。 在终端中可能维护有一个或者多个 TAG, 如果 当前重配后的 TAG与终端正在维护的某个 TAG相同, 则当前重配的 TAG不是新的, 进入步骤 607; 否则重配的 TAG是新的, 进入步骤 605。 其中, 如果终端维护有其它 TAG, 则相应的 TA 值已知, 终端可以利用该 TA值进行上行通信而不会对其它终端产生干扰。 。
步骤 605, 终端取消在该次服务小区上的 Type-1 SRS的传输; 终端停止在该次服务小 区上的上行非自适应重传。
终端可以采用上述步骤 603、 步骤 605三种处理方法的一种或者数种, 这是根据终端在 该次服务小区中存在哪种上行通信而定。
其中, 终端停止在该次服务小区上的上行非自适应重传时可以采用下面两种方式中的 任意一种, 第一种方式为, 所述终端保持所有上行混合自动重传请求反馈标志不变 (其中 可能包括传输成功的标志和传输失败的标志) , 并停止在该次服务小区上的上行非自适应 重传; 第二种方式为, 终端将上行混合自动重传请求反馈标志设置为传输成功的标志, 这 样就可以使得在该次服务小区上的上行非自适应重传停止。
步骤 606, 当终端收到针对当前 TAG的 TA值后, 例如通过图 2中实施例的方式接收到 TA 值, 重新开始终端在该次服务小区上的上行非自适应重传 (针对上述第一种方式) 。 步骤 607, 终端在该次服务小区中利用已知的 TA值正常进行上行通信。
实施例六
如图 7所示为本发明实施例一种避免时间提前量组重配后上行干扰方法的流程图。 步骤 701, 终端对次服务小区所属的 TAG进行重配。
步骤 702, 该终端完成该次服务小区的 TAG重配后, 如果当前的 TAG是新的 TAG则所述终 端停止在该次服务小区上的 Type-0 SRS传输, 和 /或清空该次服务小区对应的所有上行混 合自动重传请求的缓存(HARQ buffer )。其中,清空所述终端在该次服务小区的 HARQ buffer 可以使得所述终端不能够进行上行非自适应重传。
在步骤 702中还包括, 如果该次服务小区上有等待传输的非周期信道探测参考信号, 终端取消在该次服务小区上的 Type-1 SRS传输。
在所述步骤 702之后还包括, 当终端接收到新 TAG的 TA值后, 即例如图 2中时间点 T2, 该终端还可以重新开始该次服务小区上的 Type-0 SRS的传输。
通过本发明实施例可以避免终端在由于进行 TAG重配后还未更新 TA值, 从而使用旧的 TA值与新的 TAG中的接入点通信造成对其它终端的干扰, 特别针对终端在次服务小区上根 据错误的 TA值来发送上行信号, 导致的与其它终端的相互干扰的问题。
实施例七
如图 8所示为本发明实施例一种避免时间提前量组重配后上行干扰方法的具体流程图。 步骤 801, 对于次服务小区, 终端的无线资源控制协议层 (RRC层) 完成对所述次服务 小区的 TAG重配后, 将该次服务小区所属的 TAG的 TAG索引 (TAG index ) 和该 TAG使用的时 间提前量计时器 (TAT ) 通知给媒体接入控制协议层 (MAC层) 。
步骤 802, MAC层收到来自 RRC层的该次服务小区的 TAG重配置通知后, 终端的 MAC层判 断该次服务小区是否重配到了一个新的 TAG, 在终端中可能维护有一个或者多个 TAG, 如果 当前重配后的 TAG与终端正在维护的某个 TAG相同, 则该重配的 TAG不是新的 TAG, 进入步骤 805; 否则该重配的 TAG为新的 TAG, 进入步骤 803。 其中, 如果终端维护有其它 TAG, 则相 应的 TA值已知, 终端可以利用该 TA值进行上行通信而不会对其它终端产生干扰。
步骤 803, 终端停止在该次服务小区上的 Type-0 SRS的传输; 终端取消在该次服务小 区上的 Type-1 SRS的传输; 清空该次服务小区对应的所有上行 HARQ buffer。 终端可以采 用以上三种处理方法的一种或者数种, 这是根据终端在该次服务小区中存在哪种上行通信 而定。 步骤 804, 当终端收到针对当前 TAG的 TA值后, 例如通过图 2中实施例的方式接收到 TA 值, 重新开始终端在该次服务小区上的 Type-0 SRS的传输, 上述重新开始的重传也是视终 端在该次服务小区中可能存在的上行通信需求而定。
步骤 805, 终端在该次服务小区中利用已知的 TA值正常进行上行通信。
实施例八
如图 9所示为本发明实施例一种避免时间提前量组重配后上行干扰方法的流程图。 步骤 901, 终端对次服务小区所属的 TAG进行重配。
步骤 902, 该终端完成该次服务小区的 TAG重配后, 如果当前的 TAG是新的 TAG则所述终 端释放 Type-0 SRS配置, 和 /或清空在该次服务小区对应的所有上行 HARQ buffer。 其中, 清空在该次服务小区对应的所有上行 HARQ buffer可以使得所述终端不能够进行上行非自 适应重传, 所述释放终端的 Type-0 SRS配置使得终端不能够进行 Type-0 SRS上行通信。
在上述步骤 902中还包括, 如果该次服务小区上有等待传输的非周期信道探测参考信 号, 终端取消在该次服务小区上的 Type-1 SRS传输。
通过本发明实施例可以避免终端在由于进行 TAG重配后还未更新 TA值, 从而使用旧的 TA值与新的 TAG中的接入点通信造成对其它终端的干扰, 特别针对终端在次服务小区上根 据错误的 TA值来发送上行信号, 导致的与其它终端的相互干扰的问题。
实施例九
如图 10所示为本发明实施例一种避免时间提前量组重配后上行干扰方法的具体流程图。 步骤 1001, 对于次服务小区, 终端的无线资源控制协议层 (RRC层) 完成对所述次服 务小区的 TAG重配后, 将该次服务小区所属的 TAG的 TAG索引 (TAG index ) 和该 TAG使用的 时间提前量计时器 (TAT ) 通知给媒体接入控制协议层 (MAC层) 。
步骤 1002, 终端的 RRC层判断该次服务小区是否重配到了一个新的 TAG, 在终端中可能 维护有一个或者多个 TAG。 如果当前重配后的 TAG与终端正在维护的某个 TAG相同, 则该重 配的 TAG不是新的 TAG, 进入步骤 1006 ; 否则该重配的 TAG为新的 TAG, 进入步骤 1003。
步骤 1003, 终端释放该次服务小区的 Type-0 SRS的配置。
步骤 1004, MAC层收到来自 RRC层的该次服务小区的 TAG重配置通知后, 终端的 MAC层判 断该次服务小区是否重配到了一个新的 TAG, 在终端中可能维护有一个或者多个 TAG。 如果 当前重配后的 TAG与终端正在维护的某个 TAG相同, 则进入步骤 1006, 否则进入步骤 1005。 其中, 如果终端维护有其它 TAG, 则相应的 TA值已知, 终端可以利用该 TA值进行上行通信 而不会对其它终端产生干扰。 步骤 1005, 终端取消在该次服务小区上的 Type-1 SRS的传输; 清空该次服务小区对应 的所有上行 HARQ buffer o
终端可以采用上述步骤 1003、 步骤 1005三种处理方法的一种或者数种, 这是根据终端 在该次服务小区中存在哪种上行通信而定。
步骤 1006, 终端在该次服务小区中利用已知的 TA值正常进行上行通信。
实施例十
如图 11所示为本发明实施例一种避免时间提前量组重配后上行干扰装置的结构图。 包括 TAG重配单元 1101, 判断单元 1102, 执行单元 1103。
所述 TAG重配单元 1101, 用于对次服务小区所属的 TAG进行重配。
所述判断单元 1102, 用于判断重配后的 TAG是否是新的 TAG, 如果是则通知所述执行单 元 1103。
所述执行单元 1103, 用于根据所述判断单元 1102发送的通知停止所述终端在该次服务 小区上的 Type-0 SRS传输, 和 /或停止所述终端在该次服务小区上的上行非自适应重传。
所述执行单元 1103还用于根据所述判断单元 1102发送的通知取消终端在该次服务小 区上的 Type-1 SRS传输。
所述装置还包括通知单元 1104,当终端接收到新 TAG的 TA值后, 即例如图 2中时间点 T2, 通知所述执行单元 1103。 此时执行单元 1103还可以重新开始终端在该次服务小区上的 Type-0 SRS的传输, 和 /或重新开始终端在该次服务小区上的上行非自适应重传。
通过本发明装置的实施例可以避免终端在由于进行 TAG重配后还未更新 TA值, 从而使 用旧的 TA值与新的 TAG中的接入点通信造成对其它终端的干扰, 特别针对终端在次服务小 区上根据错误的 TA值来发送上行信号, 导致的与其它终端的相互干扰的问题。
实施例 ^一
如图 12所示为本发明实施例一种避免时间提前量组重配后上行干扰装置的结构图。 包括 TAG重配单元 1201, 判断单元 1202, 执行单元 1203。
所述 TAG重配单元 1201, 用于对次服务小区所属的 TAG进行重配。
所述判断单元 1202, 用于判断重配后 TAG是否是新的 TAG, 如果是则通知所述执行单元 1203 ο
所述执行单元 1203, 用于根据所述判断单元 1202发送的通知释放所述终端在所述次服 务小区上的 Type-0 SRS配置, 和 /或停止所述终端在该次服务小区上的上行非自适应重传。
所述执行单元 1203还用于根据所述判断单元 1202发送的通知取消终端在该次服务小 区上的 Type-1 SRS传输。
如果所述执行单元保持所有上行混合自动重传请求反馈标志不变, 并停止所述终端在 该次服务小区上的上行非自适应重传时, 所述装置还包括通知单元 1204, 当终端接收到新 TAG的 TA值后, 即例如图 2中时间点 T2, 通知所述执行单元 1203。 此时执行单元 1203还可以 重新开始该次服务小区上的上行非自适应重传。
通过本发明装置的实施例可以避免终端在由于进行 TAG重配后还未更新 ΤΑ值, 从而使 用旧的 TA值与新的 TAG中的接入点通信造成对其它终端的干扰, 特别针对终端在次服务小 区上根据错误的 TA值来发送上行信号, 导致的与其它终端的相互干扰的问题。
实施例十二
如图 13所示为本发明实施例一种避免时间提前量组重配后上行干扰装置的结构图。 包括 TAG重配单元 1301, 判断单元 1302, 执行单元 1303。
所述 TAG重配单元 1301, 用于对次服务小区所属的 TAG进行重配。
所述判断单元 1302, 用于判断重配后的 TAG是否是新的 TAG, 如果是则通知所述执行单 元 1303。
所述执行单元 1303, 用于根据所述判断单元 1302发送的通知停止所述终端在该次服务 小区中的 Type-0 SRS传输, 和 /或清空所述终端的该次服务小区对应的所有上行 HARQ buffer 0
所述执行单元 1303还用于根据所述判断单元 1302发送的通知取消终端在该次服务小 区上的 Type-1 SRS传输。
所述装置还包括通知单元 1304,当终端接收到新 TAG的 TA值后, 即例如图 2中时间点 T2, 通知所述执行单元 1303。 此时执行单元 1303还可以重新开始该次服务小区上的 Type-0 SRS 的传输。
通过本发明装置的实施例可以避免终端在由于进行 TAG重配后还未更新 TA值, 从而使 用旧的 TA值与新的 TAG中的接入点通信造成对其它终端的干扰, 特别针对终端在次服务小 区上根据错误的 TA值来发送上行信号, 导致的与其它终端的相互干扰的问题。
实施例十三
如图 14所示为本发明实施例一种避免时间提前量组重配后上行干扰装置的结构图。 包括 TAG重配单元 1401, 判断单元 1402, 执行单元 1403。
所述 TAG重配单元 1401, 用于对次服务小区所属的 TAG进行重配。
所述判断单元 1402, 用于判断重配后的 TAG是否是新的 TAG, 如果是则通知所述执行单 元 1403。
所述执行单元 1403, 用于根据所述判断单元 1302发送的通知释放所述终端的该次服务 小区的 Type-0 SRS配置, 和 /或清空所述终端的该次服务小区对应的所有上行 HARQ buffer。
所述执行单元 1403还用于根据所述判断单元 1402发送的通知取消终端在该次服务小 区上的 Type-1 SRS传输。
通过本发明装置的实施例可以避免终端在由于进行 TAG重配后还未更新 TA值, 从而使 用旧的 TA值与新的 TAG中的接入点通信造成对其它终端的干扰, 特别针对终端在次服务小 区上根据错误的 TA值来发送上行信号, 导致的与其它终端的相互干扰的问题。
本发明以上的装置和方法可以由硬件实现, 也可以由硬件结合软件实现。 本发明涉及 这样的计算机可读程序, 当该程序被逻辑部件所执行时, 能够使该逻辑部件实现上文所述 的装置或构成部件, 或使该逻辑部件实现上文所述的各种方法或步骤。 逻辑部件例如现场 可编程逻辑部件、 微处理器、 计算机中使用的处理器等。 本发明还涉及用于存储以上程序 的存储介质, 如硬盘、 磁盘、 光盘、 DVD、 flash存储器等。
以上所述的具体实施例, 对本发明的目的、 技术方案和有益效果进行了进一步详细说 明, 所应理解的是, 以上所述仅为本发明的具体实施例而已, 并不用于限定本发明的保护 范围, 凡在本发明的精神和原则之内, 所做的任何修改、 等同替换、 改进等, 均应包含在 本发明的保护范围之内。

Claims

权 利 要 求 书
1.一种避免时间提前量组重配后上行干扰的方法, 所述方法包括,
终端对次服务小区所属的时间提前量组进行重配;
该终端完成该次服务小区的时间提前量组的重配后, 如果当前的时间提前量组是新的 时间提前量组则所述终端停止在该次服务小区上的周期性信道探测参考信号传输, 和 /或 所述终端停止在该次服务小区上的上行非自适应重传。
2.根据权力要求 1所述的方法, 其中, 该终端完成该次服务小区的时间提前量组的重 配后, 如果当前的时间提前量组是新的时间提前量组, 所述终端保持所有上行混合自动重 传请求反馈标志不变, 并停止在该次服务小区上的上行非自适应重传; 当所述终端接收到 所述新时间提前量组的时间提前量值后, 该终端重新开始该次服务小区上的上行非自适应 重传。
3. 根据权力要求 1所述的方法其中, 该终端完成该次服务小区的时间提前量组的重配 后, 如果当前的时间提前量组是新的时间提前量组, 终端将所有上行混合自动重传请求反 馈标志设为传输成功。
4.根据权利要求 1所述的方法, 其中, 在该终端完成该次服务小区的时间提前量组的 重配后, 如果当前的时间提前量组是新的时间提前量组还包括, 如果该次服务小区上有等 待传输的非周期信道探测参考信号, 则所述终端取消在该次服务小区上的非周期性信道探 测参考信号传输。
5.根据权利要求 1所述的方法, 其中, 当所述终端接收到所述新时间提前量组的时间 提前量值后, 该终端重新开始该次服务小区上的周期性信道探测参考信号的传输。
6.根据权利要求 1所述的方法, 其中, 所述终端的无线资源控制协议层对所述次服务 小区进行所述时间提前量组重配, 通知媒体接入控制协议层所述次服务小区重配后所属的 时间提前量组的时间提前量组索引和该时间提前量组使用的时间提前量计时器; 所述终端 的媒体接入控制协议层判断当前时间提前量组是否为新的时间提前量组, 若是则所述终端 停止在该次服务小区上的周期性信道探测参考信号传输, 和 /或取消在该次服务小区上的 非周期性信道探测参考信号传输, 和 /或停止在该次服务小区上的上行非自适应重传。
7.一种避免时间提前量组重配后上行干扰的方法, 所述方法包括,
终端对次服务小区所属的时间提前量组进行重配;
该终端完成该次服务小区的时间提前量组重配后, 如果当前的时间提前量组是新的时 间提前量组则所述终端释放该次服务小区的周期性信道探测参考信号配置, 和 /或停止在 该次服务小区上的上行非自适应重传。
8. 根据权力要求 7所述的方法, 其中, 该终端完成该次服务小区的时间提前量组的重 配后, 如果当前的时间提前量组是新的时间提前量组, 所述终端保持所有上行混合自动重 传请求反馈标志不变, 并停止在该次服务小区上的上行非自适应重传; 当所述终端接收到 所述新时间提前量组的时间提前量值后, 该终端重新开始该次服务小区上的上行非自适应 重传。
9. 根据权力要求 7所述的方法其中, 该终端完成该次服务小区的时间提前量组的重配 后, 如果当前的时间提前量组是新的时间提前量组, 终端将所有上行混合自动重传请求反 馈标志设为传输成功。
10.根据权利要求 7所述的方法, 其中, 在该终端完成该次服务小区的时间提前量组重 配后, 如果当前的时间提前量组是新的时间提前量组还包括, 如果该次服务小区上有等待 传输的非周期信道探测参考信号, 则所述终端取消在该次服务小区上的非周期性信道探测 参考信号传输。
11.根据权利要求 10所述的方法, 其中, 所述终端的无线资源控制协议层对所述次服 务小区进行所述时间提前量组重配, 通知所属终端的媒体接入控制协议层所述次服务小区 重配后所属的时间提前量组的时间提前量组索引和该时间提前量组使用的时间提前量计 时器; 所述终端的无线资源控制协议层判断当前时间提前量组是否为新的时间提前量组, 若是则所述终端释放周期性信道探测参考信号配置; 所述终端的媒体接入控制协议层判断 当前时间提前量组是否为新的时间提前量组, 若是则所述终端取消在该次服务小区上的非 周期性信道探测参考信号传输, 和 /或停止在该次服务小区上的上行非自适应重传。
12.一种避免时间提前量组重配后上行干扰的方法, 所述方法包括,
终端对次服务小区所属的时间提前量组进行重配;
该终端完成该次服务小区的时间提前量组重配后, 如果当前的时间提前量组是新的时 间提前量组则所述终端停止在该次服务小区上的周期性信道探测参考信号传输, 和 /或清 空该次服务小区对应的所有上行混合自动重传请求的缓存。
13.根据权利要求 12所述的方法, 其中, 在该终端完成时间提前量组重配后, 如果当 前的时间提前量组是新的时间提前量组还包括, 如果该次服务小区上有等待传输的非周期 信道探测参考信号, 则所述终端取消在该次服务小区上的非周期性信道探测参考信号传输。
14.根据权利要求 12所述的方法, 其中, 当所述终端接收到所述新时间提前量组的时 间提前量值后, 该终端重新开始该次服务小区上的周期性信道探测参考信号的传输。
15.根据权利要求 13所述的方法, 其中, 所述终端的无线资源控制协议层进行所述时 间提前量组重配, 通知媒体接入控制协议层当前时间提前量组的时间提前量组索引和该时 间提前量组使用的时间提前量计时器; 所述终端的媒体接入控制协议层判断当前时间提前 量组是否为新的时间提前量组, 若是则终端停止在该次服务小区上的周期性信道探测参考 信号的传输, 和 /或取消在该次服务小区中的非周期性信道探测参考信号传输, 和 /或清空 该次服务小区对应的所有上行混合自动重传请求的缓存。
16.—种避免时间提前量组重配后上行干扰的方法, 所述方法包括,
终端对次服务小区所属的时间提前量组进行重配;
该终端完成该次服务小区的时间提前量组重配后, 如果当前的时间提前量组是新的时 间提前量组则所述终端释放该次服务小区的周期性信道探测参考信号配置, 和 /或清空该 次服务小区对应的所有上行混合自动重传请求的缓存。
17.根据权利要求 16所述的方法, 其中, 在该终端完成时间提前量组重配后, 如果当 前的时间提前量组是新的时间提前量组还包括, 如果该次服务小区上有等待传输的非周期 信道探测参考信号, 则所述终端取消在该次服务小区上的非周期性信道探测参考信号传输。
18.根据权利要求 17所述的方法, 其中, 所述终端的无线资源控制协议层进行所述时 间提前量组重配, 通知媒体接入控制协议层当前时间提前量组的时间提前量组索引和该时 间提前量组使用的时间提前量计时器; 所述终端的无线资源控制协议层判断当前时间提前 量组是否为新的时间提前量组, 若是则所述终端释放该次服务小区的周期性信道探测参考 信号配置; 所述终端的媒体接入控制协议层判断当前时间提前量组是否为新的时间提前量 组, 若是则终端取消在该次服务小区上的非周期性信道探测参考信号传输, 和 /或清空该 次服务小区对应的所有上行混合自动重传请求的缓存。
19.一种避免时间提前量组重配后上行干扰的装置, 所述装置包括,
时间提前量组重配单元, 用于对次服务小区所属的时间提前量组进行重配; 判断单元, 用于判断重配后的时间提前量组是否是新的时间提前量组, 如果是则通知 所述执行单元;
所述执行单元, 用于根据所述判断单元发送的通知停止所述终端在该次服务小区上的 周期性信道探测参考信号传输, 和 /或停止所述终端在该次服务小区上的上行非自适应重传。
20.根据权利要求 19所述的装置, 其中, 所述执行单元还用于根据所述判断单元发送 的通知取消终端在该次服务小区上的非周期性信道探测参考信号传输。
21.根据权利要求 19所述的装置, 其中还包括, 通知单元, 用于当终端接收到新时间 提前量组的时间提前量值后, 通知所述执行单元重新开始终端在该次服务小区上的周期性 信道探测参考信号的传输, 和 /或重新开始终端在该次服务小区上的上行非自适应重传。
22.一种避免时间提前量组重配后上行干扰的装置, 所述装置包括,
时间提前量组重配单元, 用于对次服务小区所属的时间提前量组进行重配; 判断单元, 用于判断重配后的时间提前量组是否是新的时间提前量组, 如果是则通知 所述执行单元;
所述执行单元, 用于根据所述判断单元发送的通知释放所述终端在所述次服务小区上 的周期性信道探测参考信号配置, 和 /或停止所述终端在该次服务小区上的上行非自适应 重传。
23.根据权利要求 22所述的装置, 其中, 所述执行单元还用于根据所述判断单元发送 的通知取消终端在该次服务小区上的非周期性信道探测参考信号传输。
24.根据权利要求 22所述的装置, 其中, 如果所述执行单元保持所有上行混合自动重 传请求反馈标志不变, 并停止所述终端在该次服务小区上的上行非自适应重传时, 还包括 通知单元, 用于当终端接收到新时间提前量组的时间提前量值后, 通知所述执行单元重新 开始该次服务小区上的上行非自适应重传。
25.一种避免时间提前量组重配后上行干扰的装置, 所述装置包括,
时间提前量组重配单元, 用于对次服务小区所属的时间提前量组进行重配; 判断单元, 用于判断重配后的时间提前量组是否是新的时间提前量组, 如果是则通知 所述执行单元;
所述执行单元, 用于根据所述判断单元发送的通知停止所述终端在该次服务小区上的 周期性信道探测参考信号传输, 和 /或清空所述终端的次服务小区对应的所有上行混合自 动重传请求的缓存。
26.根据权利要求 25所述的装置, 其中, 所述执行单元还用于根据所述判断单元发送 的通知取消终端在该次服务小区上的非周期性信道探测参考信号传输。
27.根据权利要求 25所述的装置, 其中还包括通知单元, 用于当终端接收到新时间提 前量组的时间提前量值后, 通知所述执行单元重新开始该次服务小区上的周期性信道探测 参考信号的传输。
28.一种避免时间提前量组重配后上行干扰的装置, 所述装置包括,
时间提前量组重配单元, 用于对次服务小区所属的时间提前量组进行重配; 判断单元, 用于判断重配后的时间提前量组是否是新的时间提前量组, 如果是则通知 所述执行单元;
所述执行单元, 用于根据所述判断单元发送的通知释放所述终端的该次服务小区的周 期性信道探测参考信号配置, 和 /或清空所述终端的该次服务小区对应的所有上行混合自 动重传请求的缓存。
29.根据权利要求 28所述的装置, 其中, 所述执行单元还用于根据所述判断单元发送 的通知取消终端在该次服务小区上的非周期性信道探测参考信号传输。
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