WO2014000505A1 - Procédé de gestion de ressources radio, station de base et terminal - Google Patents

Procédé de gestion de ressources radio, station de base et terminal Download PDF

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Publication number
WO2014000505A1
WO2014000505A1 PCT/CN2013/074931 CN2013074931W WO2014000505A1 WO 2014000505 A1 WO2014000505 A1 WO 2014000505A1 CN 2013074931 W CN2013074931 W CN 2013074931W WO 2014000505 A1 WO2014000505 A1 WO 2014000505A1
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WO
WIPO (PCT)
Prior art keywords
cell
reference signal
terminal
positioning
arrival time
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PCT/CN2013/074931
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English (en)
Chinese (zh)
Inventor
刘劲楠
冯淑兰
李亚娟
时洁
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华为技术有限公司
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Publication of WO2014000505A1 publication Critical patent/WO2014000505A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/10—Position of receiver fixed by co-ordinating a plurality of position lines defined by path-difference measurements, e.g. omega or decca systems

Definitions

  • the present invention relates to the field of communications, and in particular, to a radio resource management method, a base station, and a terminal.
  • the location information of the terminal can be applied to the radio resource management, and the auxiliary service base station manages the radio resources used by the terminal. For example, according to the location information, the distance from the terminal to each neighbor base station (D), the estimated propagation delay (PD), the estimated path loss (PL), and the uplink advance time (TA) are used to assist the radio resource management.
  • the terminal is also called a User Equipment (UE).
  • UE User Equipment
  • LTE Long Term Evolution
  • LPP Long Term Evolution Positioning Protocol
  • OTDOA observed Time Difference of Arrival
  • Each cell sends a positioning reference signal (PRS), wherein the cell transmitting device may be different types of transmission points, including a macro base station Macro, a micro base station Micro, a pico base station Pico, and a radio remote RRH; the service terminal positioning center will measure the OTDOA measurement request and the OTDOA The auxiliary message is sent to the terminal; after receiving the OTDOA auxiliary message, the terminal starts the RSTD (Reference Signal Time Difference) measurement.
  • PRS positioning reference signal
  • the cell transmitting device may be different types of transmission points, including a macro base station Macro, a micro base station Micro, a pico base station Pico, and a radio remote RRH; the service terminal positioning center will measure the OTDOA measurement request and the OTDOA The auxiliary message is sent to the terminal; after receiving the OTDOA auxiliary message, the terminal starts the RSTD (Reference Signal Time Difference) measurement.
  • RSTD Reference Signal Time Difference
  • the terminal receives the RSTD of the PRS signal in one or more PRS positioning occasions, and reports the RSTD measurement result within the specified maximum reporting time.
  • the service terminal positioning center performs positioning calculation according to the RSTD.
  • the measurement of OTDOA positioning RSTD report is transparently transmitted to the service terminal positioning center through the LPP layer. Therefore, the serving base station does not parse the LPP layer signaling, but transparently transmits it to the service terminal positioning center.
  • the UE is the coordinates of the terminal on the X-axis and the Y-axis, respectively
  • the radio resource management has a certain delay, including the transmission delay from the UE to the serving base station, the transmission delay of the serving base station to the serving terminal positioning center, and the calculation processing delay of the service terminal positioning center.
  • the purpose of the embodiments of the present invention is to provide a method for managing a radio resource, which aims to reduce the delay of positioning assisted radio resource management and provide a more real-time radio resource management method.
  • the first aspect a method for managing a radio resource, where the method includes:
  • Radio resource control RRC signaling after completing a reference signal arrival time difference RSTD measurement in one or more positioning reference signal positioning measurement opportunities, where the RRC signaling includes: positioning the measurement signal by one or more positioning reference signals The result of the RSTD measurement, where the RSTD measurement result is represented as a reference signal arrival time difference of a plurality of cell reference signal subframe arrival times TO A or a plurality of cell relative positioning reference cell arrival times;
  • the radio resource management is performed according to the reference signal subframe arrival time or the reference signal arrival time difference of the plurality of cells.
  • the radio resource management includes any combination of the following: assisting the terminal to determine downlink assisted multi-point transmission CoMP measurement Assessing, assisting the terminal to determine whether multiple cells of the multi-carrier aggregation CA are suitable for adoption (Detail 20.6) Use the same upstream advance TA, and determine the upstream high interference indicator.
  • the RRC signaling further includes:
  • the performing radio resource management according to the reference signal subframe arrival time of the multiple cells includes:
  • Sorting the reference signal subframe arrival times of the plurality of cells searching for the tth cell and the kth cell that satisfy the ITO A t -TOA k l ⁇ first preset threshold, and TO A t is the tth cell Reference signal subframe arrival time, TOA k is the reference signal subframe arrival time of the kth cell; determining that the transmission point corresponding to at least one of the tth to kth cells is the UE downlink ComP measurement set
  • the first preset threshold is smaller than the length of the current cyclic prefix of the base station.
  • the performing radio resource management according to the reference signal arrival time difference of the multiple cells includes:
  • TOAi is the reference signal sub-frame arrival time of the i-th cell
  • TOA k is The reference signal subframe arrival time of the kth cell
  • ⁇ PRSi is the time difference between the ith cell and the serving cell transmitting the positioning reference signal PRS or the cell reference signal CRS
  • the A PRS k is the kth cell and the serving cell transmitting the positioning reference signal
  • the upstream time advance TA is adopted for the i-th cell and the k-th cell.
  • a radio resource management method according to the first aspect, the first option or the first aspect of the first aspect
  • the signal arrival time difference for radio resource management includes:
  • the uplink interference range of the terminal Determining, according to the uplink transmit power of the terminal, the uplink interference range of the terminal, determining whether the distance from the terminal to each base station is smaller than the uplink interference range of the terminal, such as the terminal, according to the uplink timing advance of the terminal and the uplink interference range of the terminal. If the distance to the base station of the cell i is smaller than the uplink interference range of the terminal, the HII is indicated by the uplink high interference in the X2 interface, and the base station of the cell i is notified that there is interference on the resource scheduled by the terminal.
  • a base station in a second aspect, includes:
  • a receiving unit configured to send, by the receiving terminal, radio resource control RRC signaling after completing a reference signal arrival time difference RSTD measurement in one or more positioning reference signal positioning measurement opportunities, where the RRC signaling includes: one or more positioning reference signals Locating an RSTD measurement result of the measurement opportunity, where the RSTD measurement result is represented as a reference signal subframe arrival time of multiple cells or a reference signal arrival time difference of a plurality of cells relative positioning reference cell arrival time, and a reference of the multiple cells The signal subframe arrival time or the reference signal arrival time difference is sent to the management unit;
  • a management unit configured to perform radio resource management according to a reference signal subframe arrival time of multiple cells or a reference signal arrival time difference.
  • the radio resource management includes any combination of the following: assisting the terminal to determine a downlink assisted multi-point transmission CoMP measurement set, and assisting The terminal determines whether multiple cells of the multi-carrier aggregation CA are suitable to adopt the same uplink advancement TA and determine the uplink high interference indication HII.
  • the RRC signaling further includes:
  • the management unit when the radio resource management is to select a downlink CoMP measurement set, is further configured to:
  • Sorting the reference signal subframe arrival times of the plurality of cells searching for the tth cell and the kth cell that satisfy the ITO A t -TOA k l ⁇ first preset threshold, and TO A t is the tth cell Reference signal subframe arrival time, TOA k is the reference signal subframe arrival time of the kth cell; determining that the transmission point corresponding to at least one of the tth to kth cells is the terminal downlink ComP measurement set
  • the first preset threshold is smaller than the length of the current cyclic prefix of the base station.
  • the management unit when the radio resource management assists the terminal to determine a determined time advance set of the multi-carrier aggregation CA, the management unit further includes :
  • the time difference between the positioning reference signal PRS or the cell reference signal CRS, ⁇ PRSk is the time difference between the kth cell and the serving cell transmitting the positioning reference signal PRS or the cell reference signal CRS; when the i th cell and the kth cell are respectively at different frequencies
  • the same uplink timing advance TA is adopted for the i-th cell and the k-th cell.
  • the management unit when the radio resource management is the uplink high-power 4, the management unit further includes:
  • the uplink interference range is determined according to the uplink timing advance of the terminal, the uplink interference range of the terminal, and the uplink interference range, whether the distance from the terminal to each base station is smaller than the uplink interference range of the terminal, for example, the distance from the terminal to the base station of the cell i is smaller than the terminal.
  • the uplink interference range indicates that HII is indicated by the uplink high interference in the X2 interface, and the base station of the cell i is notified that there is interference on the resources scheduled by the terminal.
  • a third aspect a method for supporting a base station to perform radio resource management, where the method includes: a reference signal arrival time difference in performing one or more positioning reference signal positioning measurement opportunities
  • the RSTD measurement result obtained after the RSTD measurement where the RSTD measurement result is represented as a reference signal arrival time difference of a plurality of cell reference signal subframe arrival times or a plurality of cell relative positioning reference cell arrival times;
  • the RRC signaling is sent to the base station, and the RRC signaling includes: RSTD measurement score of one or more positioning reference signal positioning measurement opportunities.
  • a fourth aspect a terminal, where the terminal includes:
  • a measuring unit configured to perform an RSTD measurement result after completing a reference signal arrival time difference RSTD measurement in one or more positioning reference signal positioning measurement opportunities, where the RSTD measurement result is represented as a plurality of cell reference signal subframe arrival times or more The reference signal arrival time difference of the cell arrival time relative to the reference cell arrival time;
  • a sending unit configured to send, to the base station, RRC signaling, where the RRC signaling includes: one or more positioning reference signal positioning measurement opportunity RSTD measurement results.
  • the technical solution avoids the transmission delay of the serving base station to the positioning center of the service terminal in the traditional method, the calculation processing delay of the service terminal positioning center, the delay of the service terminal positioning center to the serving base station, and real-time wireless resource management. . DRAWINGS
  • FIG. 1 is a flowchart of a method for managing a radio resource according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a base station according to an embodiment of the present invention
  • FIG. 3 is a flowchart of a method for supporting a base station to perform radio resource management according to an embodiment of the present invention
  • FIG. 4 is a schematic structural diagram of a terminal according to an embodiment of the present invention. detailed description
  • OTDOA is a method for supporting user positioning.
  • OTDOA is a user positioning method specified by the standard.
  • the RSTD and the arrival time can be obtained through the OTDOA (Time). Of Arrival, ⁇ ).
  • OTDOA Time
  • ⁇ the above ⁇ 0 ⁇ is actually the reference signal sub-frame arrival time.
  • the cell is identified by a cell ID (identifier), and the cell ID has a cell physical layer ID and a cell global ID.
  • a base station may include multiple cells, or may only include one cell.
  • the macro base station is generally considered to include a plurality of cells, and the micro base station and the pico base station have a smaller coverage than the macro base station, and may also include a plurality of cells.
  • the macro base station can also connect to the radio remote device through the optical fiber to form a cell split, and the radio remote device does not include the radio resource management unit.
  • the PRS signal is distinguished by the cell physical layer ID, and a signal that is orthogonal in the time domain or code domain is generated.
  • the terminal distinguishes different cell signals according to different PRS signals.
  • a specific embodiment of the present invention provides a method for managing a radio resource, where the method is performed by a base station eNB, and the method is as shown in FIG.
  • the result of the RSTD measurement, the RSTD measurement result is represented as a plurality of cell reference signal subframe arrival time TOA or reference signal subframe arrival time difference RSTD of multiple cells;
  • the foregoing RRC signaling may further include: a cell identifier corresponding to the RSTD measurement result; of course, in an actual situation, the cell identifier may not be included, because the base station may match the sequence of the location request sending to determine the RSTD measurement result. Community.
  • the serving cell system frame number SFN is known, and the PLS subframe arrival time of the J service base station, that is, the downlink timing of the subframe corresponding to the PRS, may be obtained according to the OTDOA auxiliary message.
  • the arrival time of the PRS subframe of the serving cell may also be similar to that of the neighbor cell, by receiving the PRS.
  • the signal is correlated with the local PRS to obtain a more accurate arrival time of the serving cell PRS subframe. Therefore, the measured arrival time of each cell PRS subframe is a relative time difference of the downlink timing of the subframe corresponding to the PRS.
  • RSTDi cell reference signal subframe arrival time difference
  • RSTD TOAi - TOAo, when the serving base station PRS subframe arrival time, the downlink timing of the subframe corresponding to the PRS, TO A.
  • reporting RSTD is equivalent to reporting TOA. The following is reported as an example of TOA. Where TO A. It indicates that the positioning reference cell is also the serving cell of the UE.
  • the base station can parse the RRC signaling. And performing related radio resource management operations according to the content of the signaling.
  • the method provided by the embodiment of the present invention directly sends the TOA or the RSTD to the serving base station by using the RRC signaling, and the base station directly performs the RRM management, so that the transmission delay from the UE transmission to the serving terminal positioning center is reduced, and the service terminal positioning center is calculated. Processing delay, the service terminal locates the delay from the center to the serving base station, so it has the advantage of small transmission delay.
  • the base station herein may include radio resource scheduling for managing multiple cells, which may be a macro base station, a micro base station, and a pico base station.
  • the technical solution of the embodiment of the present invention can perform RSTD measurement result transmission when one or more PRS positioning opportunities are completed, which further reduces the delay.
  • the foregoing radio resource management includes any combination of the following: assisting the terminal to determine a downlink assisted multi-point transmission CoMP measurement set, and assisting the terminal to determine whether multiple cells of the multi-carrier aggregation CA are suitable for adopting the same uplink.
  • the TA is advanced and the upstream high interference indication is determined.
  • the implementation method of the S12 includes:
  • Sorting the arrival times of multiple cell reference signal sub-frames (this ordering can be from high to low, also It can be from low to high;), find the tth cell and the kth cell that satisfy ITOAt -TOAkl ⁇ first preset threshold T0A_TH, T0A t is the reference signal subframe arrival time of the tth cell, TOA k is a reference signal subframe arrival time of the kth cell; determining at least one of the tth to kth cells (of course, in actual cases, preferably all cells in the tth to kth cells)
  • the transmission point is the UE downlink ComP measurement set, where TOA_TH may be smaller than the length of the current cyclic prefix of the base station.
  • the CoMP measurement set is selected only in multiple cells in the same frequency layer managed by the serving base station, when the CoMP measurement set is selected, the reference signal subframe arrival time of multiple cells is corresponding to multiple cells.
  • the plurality of cells may be a plurality of cells on the same frequency layer managed by the serving base station matched by the cell identifier.
  • the transmission point here refers to a macro base station and a radio remote device connected through an optical fiber, and can be a plurality of radio remote devices or one macro base station and multiple radio remote devices for the same macro station.
  • the radio resource management unit is located at the macro base station.
  • the implementation method of the S12 specifically includes:
  • the time difference of the CRS determines that the absolute value of the inter-cell propagation delay difference does not exceed the second preset threshold PD_TH, that is, ITAi - ⁇ PRSi - (TOA k - ⁇ PRS K ) I ⁇ PD_TH, and the determined cell is suitable for the same
  • the A PRSi is a time difference between the ith cell and the serving cell transmitting the positioning reference signal PRS or the cell reference signal CRS
  • the A PRSk is a time difference between the kth cell and the serving cell transmitting the positioning reference signal PRS or the cell reference signal CRS.
  • the TOA may be a TOA of a transmission point corresponding to multiple cells; the multiple cells may be matched according to a cell identifier.
  • the serving base station manages multiple cells on different frequency layers.
  • the plurality of cell sending devices may be different types of transmission points, including a macro base station Macro, a micro base station Pico, and a radio frequency remote RRH.
  • the implementation method of the S12 includes: obtaining a time difference between each positioning cell and the serving cell of the multiple cells to send the positioning reference signal PRS or the cell reference signal CRS; said terminal uplink time advance the TA; [tau] [rho] the uplink transmission power of the UE, the default receiver sensitivity P R, the UE estimates the uplink interference range ULJnterference- range, the amount is determined in advance and the UE according to the uplink interference range to be scheduled, and uplink time Whether the eNBi of the resource on the same frequency layer is in the uplink interference range of the UE, specifically includes:
  • Determining whether the uplink signal of the UE can reach the base station of the cell i if yes, determining that the eNBi that the UE is to schedule resources on the same frequency layer is in the uplink interference range of the UE, and if not, determining that the UE is to schedule resources at the same frequency layer.
  • the upper eNBi is not in the uplink interference range of the UE;
  • the corresponding eNBi is notified through the uplink in the X2 interface, and the resources scheduled by the UE are interfered.
  • the TOA at the above HII is a TOA of a transmission point corresponding to a plurality of cells.
  • the plurality of cells may be a plurality of cells managed by non-serving base stations matched according to cell identifiers.
  • the method for determining whether the uplink signal of the UE can reach the base station of the cell i may be:
  • Judging (TA_ref/2 + ⁇ 0 + ⁇ , - ⁇ PRSi ) xc ⁇ UL_Interference_ range -L offset is established, if yes, it is judged that there is interference, that is, the UE uplink signal can reach the cell i base station, and is in the uplink interference range of the UE. If no, it is determined that there is no interference, that is, the UE uplink signal cannot reach the cell i base station, and is not in the UE uplink 4 no range; wherein UL_Interference_range indicates the UE interference range, L.
  • Ffset represents the offset margin (can be zero or a non-zero positive number)
  • c represents the speed of light
  • TA_ref is the advance time of the serving cell.
  • the transmitting device of the cell may be a different type of transmission point, including the macro base station Macro, the micro base station Micro, and the pico base station Pico, but does not include the radio remote control. Since the macro base station directly allocates the radio resource for the allocated resource, the X2 interface is not used to coordinate the resource. .
  • the embodiment of the invention further provides a base station, as shown in FIG. 2, the base station includes:
  • the receiving unit 21 is configured to: the receiving terminal completes one or more positioning reference signal positioning measurement opportunities Transmitting the radio resource control RRC signaling after the reference signal arrival time difference RSTD measurement, where the RRC signaling includes: one or more positioning RSD measurement results of the positioning signal positioning measurement opportunity, the RSTD measurement result being represented as multiple cells Reference signal subframe arrival time or reference signal subframe arrival time difference of multiple cell relative positioning reference cell arrival times, and reference signal subframe arrival time of multiple cells or reference signal of multiple cell relative positioning reference cell arrival time
  • the frame arrival time difference is sent to the management unit 22;
  • the management unit 22 is configured to perform radio resource management according to a reference signal subframe arrival time of multiple cells or a reference signal subframe arrival time difference.
  • the foregoing radio resource management includes any combination of the following: assisting the terminal to determine a downlink assisted multi-point transmission CoMP measurement set, and assisting the terminal to determine whether multiple cells of the multi-carrier aggregation CA are suitable for using the same The uplink advancement TA and the determination of the uplink high interference indication.
  • the foregoing RRC signaling may further include:
  • the management unit 22 when the radio resource management is to select a downlink CoMP measurement set, the management unit 22 further uses:
  • the management unit 22 when the radio resource management assists the terminal to determine the determined time advance set of the multi-carrier aggregation CA, the management unit 22 further includes:
  • the time difference between the reference signal PRS or the cell reference signal CRS, A PRSk is the kth cell and the serving cell Sending a time difference between the positioning reference signal PRS or the cell reference signal CRS; when the i-th cell and the k-th cell respectively have uplink resources on different frequency layers serving the terminal simultaneously, then the i-th cell and the k-th Each cell uses the same uplink timing advance TA.
  • the management unit 22 further includes: obtaining a time difference between each of the plurality of cells and the serving cell to send the positioning reference signal PRS or the cell reference signal CRS; Obtaining an uplink timing advance TA of the terminal, estimating an uplink interference range of the terminal according to an uplink transmit power of the terminal, and determining, according to an uplink timing advance, an uplink interference range, and an uplink interference range of the terminal Whether the distance of each base station is smaller than the uplink interference range of the terminal, for example, the distance from the terminal to the base station of the cell i is smaller than the uplink interference range of the terminal, and the UL HII is indicated by the uplink high interference in the X2 interface, and the base station of the cell i is notified to schedule the terminal. There is interference on the resources.
  • the base station provided by the embodiment of the present invention is directly sent to the base station by using the RRC signaling TOA or the RSTD, and the base station directly performs the RRM management, thereby reducing the transmission delay from the UE to the positioning center of the service terminal, and calculating the processing time of the service terminal positioning center. Delay, the service terminal locates the delay from the center to the serving base station, so it has the advantage of small transmission delay.
  • the embodiment of the invention further provides a method for supporting a base station to perform radio resource management.
  • the method is as shown in FIG. 3, and includes:
  • RSTD measurement result obtained after a reference signal arrival time difference RSTD measurement in one or more positioning reference signal positioning measurement opportunities, where the RSTD measurement result is represented as a plurality of cell reference signal subframe arrival times or a plurality of cells relative to each other. Locating the reference signal arrival time difference of the reference cell arrival time;
  • RRC signaling Send RRC signaling to the base station, where the RRC signaling includes: RSTD measurement result of positioning the measurement opportunity by one or more positioning reference signals.
  • the method provided by the embodiment of the present invention sends RRC signaling to the base station, so that the base station performs RRM management through TO A or RSTD of RRC signaling, which reduces the transmission delay from the UE transmission to the serving terminal positioning center, and the service terminal locates.
  • the central processing delay, the service terminal locates the delay from the center to the serving base station, so it has the advantage of small transmission delay.
  • the embodiment of the present invention further provides a terminal.
  • the terminal includes: a measuring unit 41, and an RSTD obtained after completing a reference signal arrival time difference RSTD measurement in one or more positioning reference signal positioning measurement opportunities.
  • the RSTD measurement result is represented as a reference signal arrival time difference of a plurality of cell reference signal subframe arrival times or a plurality of cell relative positioning reference cell arrival times;
  • the sending unit 42 is configured to send RRC signaling to the base station, where the RRC signaling includes: one or more positioning reference signal positioning measurement opportunity RSTD measurement scores.
  • the foregoing terminal further includes:
  • the receiving indication unit 43 is configured to control the sending unit 32 to send RRC signaling by using a quality of service QoS level indication or a direct indication in the positioning request when the received positioning request is based on the radio resource management service.
  • the terminal provided by the embodiment of the present invention sends RRC signaling to the base station, so that the base station performs RRM management through TO A or RSTD of RRC signaling, which reduces the transmission delay from the UE transmission to the serving terminal positioning center, and the service terminal locates.
  • the central processing delay, the service terminal locates the delay from the center to the serving base station, so it has the advantage of small transmission delay.
  • each module or unit included is only divided according to functional logic, but is not limited to the above division, as long as the corresponding function can be realized; in addition, the specific name of each functional module is also They are only used to facilitate mutual differentiation and are not intended to limit the scope of the present invention.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)

Abstract

La présente invention est applicable au domaine des communications, et porte sur un dispositif et un procédé de gestion de ressources radio. Le procédé comprend : après l'achèvement de la mesure sur la différence de temps de signal de référence (RSTD) sur une ou plusieurs occasions de mesure de positionnement d'un signal de référence de positionnement observé, l'envoi par un terminal UE de réception d'une signalisation de commande de ressources radio (RRC), la signalisation RRC comprenant un résultat de mesure RSTD sur une ou plusieurs occasions de mesure de positionnement d'un signal de référence de positionnement, et le résultat de mesure RSTD étant exprimé par le temps d'arrivée (TOA) de sous-trames de signal de référence d'une pluralité de cellules ou par la différence de temps de signal de référence (RSTD) d'une pluralité de cellules en fonction du temps d'arrivée d'une cellule de référence de positionnement ; et en fonction du temps d'arrivée des sous-trames de signal de référence d'une pluralité de cellules ou de la différence de temps de signal de référence, la conduite d'une gestion de ressources radio. La solution technique fournie dans un mode de réalisation spécifique de la présente invention a l'avantage de réduire le retard temporel.
PCT/CN2013/074931 2012-06-27 2013-04-28 Procédé de gestion de ressources radio, station de base et terminal WO2014000505A1 (fr)

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CN201210215506.5A CN103517314A (zh) 2012-06-27 2012-06-27 无线资源管理方法、基站及终端

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CN111756472B (zh) * 2019-03-28 2022-03-29 华为技术有限公司 一种上行通信方法及通信装置
CN115278765A (zh) * 2019-07-04 2022-11-01 大唐移动通信设备有限公司 信号传输方法及装置
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