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WO2011123971A1 - Procédé et dispositif de commande de liaison montante pour une liaison terrestre relais à évolution à long terme (lte) - Google Patents

Procédé et dispositif de commande de liaison montante pour une liaison terrestre relais à évolution à long terme (lte) Download PDF

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Publication number
WO2011123971A1
WO2011123971A1 PCT/CN2010/000441 CN2010000441W WO2011123971A1 WO 2011123971 A1 WO2011123971 A1 WO 2011123971A1 CN 2010000441 W CN2010000441 W CN 2010000441W WO 2011123971 A1 WO2011123971 A1 WO 2011123971A1
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WO
WIPO (PCT)
Prior art keywords
priority
level
group
priority processing
dynamic
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/CN2010/000441
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English (en)
Chinese (zh)
Inventor
冷晓冰
郑武
韩锋
张凯宾
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.)
Nokia Shanghai Bell Co Ltd
Alcatel Lucent SAS
Original Assignee
Alcatel Lucent Shanghai Bell Co Ltd
Alcatel Lucent SAS
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 Alcatel Lucent Shanghai Bell Co Ltd, Alcatel Lucent SAS filed Critical Alcatel Lucent Shanghai Bell Co Ltd
Priority to PCT/CN2010/000441 priority Critical patent/WO2011123971A1/fr
Priority to CN201080064373.5A priority patent/CN102792728B/zh
Publication of WO2011123971A1 publication Critical patent/WO2011123971A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/18—Negotiating wireless communication parameters
    • H04W28/22—Negotiating communication rate

Definitions

  • Embodiments of the present invention design a Long Term Evolution (LTE) system, and in particular, an uplink control method and apparatus for LTE-Advanced relay backhaul. Background technique
  • a relay node In an LTE-Advanced relay system, a relay node (RN) is connected to an eNB via an Un interface (backhaul link) and to its UE via a Uu interface (access link).
  • RN relay node
  • uplink rate control is performed by the UE to manage the sharing of uplink resources between the RBs.
  • Uplink rate control is achieved by performing logical channel (i.e., radio bearer (RB)) prioritization.
  • RB radio bearer
  • parameters can be utilized, including priority level, priority processing bit rate (PBR), and leaky bucket size duration (BSD), based on the token leaky bucket algorithm to control the uplink rate of each RB.
  • PBR priority processing bit rate
  • BSD leaky bucket size duration
  • the RN also needs uplink rate control and performs priority processing operations.
  • the Un interface has different service behaviors. For example, a large number of RBs from different UEs are aggregated on the Un interface. These RBs carry different service types, voice, data, video, and so on.
  • Figure 1 shows a schematic block diagram of an existing uplink rate control on a relay backhaul in an LTE-Advanced relay system.
  • Uu RBs on the access link (RB3-2, RB3-1 from UE3, RB2-3, RB2- from UE2) 2.
  • RB2-1, and RBl-2, RB1-1 from UE1 are RN mapped (multiplexed) into Un RB on the backhaul link (Un interface) (for example, Un RB3 for UE3, Un for UE2) RB2, for Un RB1 of UE1, the RN allocates uplink resources only for these Un RBs, SP, manages the sharing of uplink resources between Un RBs, and does not consider resource scheduling between each Uu RB.
  • RN devices that improve the quality of service (QoS) of user services.
  • QoS quality of service
  • An aspect of the present invention provides an uplink rate control method on a backhaul link, including: implementing uplink rate control by performing two-level priority processing.
  • the performing the two-level priority processing according to the QoS mapping comprises: performing a first-level priority processing on the backhaul link radio bearer Un RB, where the Uri RB is an access link of the at least one user equipment UE
  • the radio bearer Uu RB is mapped into a Uu RB group according to the quality of service QoS; and the second level of priority processing is performed on the Uu RB aggregated by each Un RB.
  • the performing the two-level priority processing according to the UE mapping includes: performing a first-level priority processing on the Un RB, where the Un RB is an RB group formed by the Uu RB of the at least one UE according to the UE image And perform a second level of priority processing on the Uu RBs aggregated by each Un RB.
  • the performing two-level priority processing includes: performing first-level priority processing on the Uu RB group corresponding to the specific rule of the Uu RB of the at least one UE; and for each Uu The Uu RB in the RB group performs the second level of priority processing.
  • the performing the two-level priority processing includes: performing a first level on the Un RB group corresponding to the U RB of the at least one UE and the Un RB corresponding to the specific rule. Priority processing; and performing second-level prioritization on Un RBs in each Un RB group.
  • the method of the embodiment of the present invention may further include: setting a static priority and a dynamic priority for each RB to perform the second-level priority processing, and performing static priority according to each RB, before performing the first-level priority processing.
  • Level and dynamic priority to calculate the static priority and dynamic priority of the corresponding RB group to perform the first-level priority processing.
  • the initial value of the dynamic priority of the RB is set to the static priority value of the RB, and the dynamic priority of the RB is increased when the RB experiences a delay, and is reduced when the RB obtains the transmission resource, and is not low.
  • Another aspect of the present invention provides a relay node RN device for uplink rate control on a backhaul link, including: priority processing means for implementing uplink speed by performing two-level priority processing Rate control.
  • the priority processing apparatus includes: a first priority processing unit, configured to perform first level priority processing on a backhaul link radio bearer Un RB, where the Un RB is an access link of at least one user equipment UE
  • the radio bearer Uu RB is mapped into an RB group according to the quality of service QoS
  • the second priority processing unit is configured to perform second-level priority processing on the Uu RBs aggregated by each Un RB.
  • the priority processing apparatus includes: a first priority processing unit, configured to perform a first level prioritization process on the Un RB, where the Un RB is an RB group formed by the Uu RB of the at least one UE according to the UE image And a second priority processing unit, configured to perform second-level priority processing on the Uu RBs aggregated by each Un RB.
  • the priority processing apparatus includes: a first priority processing unit, configured to perform first level priority processing on a Uu RB group corresponding to a Uu RB of the at least one UE according to a specific rule; and a second priority processing unit Used to perform second-level priority processing on the Uu RB in each Uu RB group.
  • the priority processing apparatus includes: a first priority processing unit, configured to perform first-level priority on the Un RB group corresponding to the U RB of the at least one UE that is one-to-one mapped to the Un RB group corresponding to the specific rule And a second priority processing unit, configured to perform second level priority processing on the Un RB in each Un RB group.
  • the RN device provided by the embodiment of the present invention may further include: an RB priority providing apparatus, configured to set a static priority and an RB for each RB that performs the second-level priority processing before performing the first-level priority processing. Dynamic priority, and storing the static priority and dynamic priority of the RB, where the initial value of the dynamic priority of the RB is set to the static priority value of the RB; the RB group priority providing device; used for static according to each RB Priority and dynamic priority to respectively calculate a static priority and a dynamic priority of the corresponding RB group to perform the first-level priority processing; and dynamic priority maintaining means for increasing the RB when the RB experiences a delay
  • the priority of the RB is the priority of the RB, and the dynamic priority of the RB in the RB priority providing apparatus is reduced when the RB obtains the transmission resource, and the dynamic priority of the RB is not lower than the RB.
  • the dynamic priority maintaining device also sends the changed RB dynamic priority to the RB group priority providing device to recalculate the dynamic priority Dynamic priority to the RB group is changed corresponding to B.
  • the first-level priority processing unit performs the first-level priority processing according to the dynamic priority of the RB group in the RB group priority providing apparatus, and the second-level priority unit is provided according to the RB priority providing apparatus. Dynamic RB The first level to perform the second level of priority processing.
  • Quality of service can be improved by performing two levels of prioritization rather than first level prioritization. At the same time, due to the introduction of dynamic priority, it is possible to compensate for delays due to retransmissions or calls.
  • Fig. 2 shows a schematic block diagram of uplink rate control on a backhaul link in accordance with a first embodiment of the present invention.
  • Figure 3 shows a schematic block diagram of uplink rate control on a backhaul link in accordance with a second embodiment of the present invention.
  • FIG. 4 is a schematic block diagram showing uplink rate control on a backhaul link in accordance with a third embodiment of the present invention.
  • Figure 5 shows a schematic block diagram of uplink rate control on a backhaul link in accordance with a fourth embodiment of the present invention.
  • FIG. 6 shows a flow chart of an uplink control method on a backhaul link in accordance with an embodiment of the present invention.
  • Figure 7 shows a comparison of the results of an uplink rate control scheme on a backhaul link employing the present invention and an uplink rate control scheme of a prior art backhaul link.
  • Figure 8 shows a functional block diagram of a relay node RN device 800 for uplink rate control on a backhaul link in accordance with an embodiment of the present invention. detailed description
  • FIGS 2 through 5 illustrate schematic block diagrams of uplink rate control on a backhaul link in accordance with an embodiment of the present invention.
  • the first digit after the RB in the figure represents the UE to which the RB belongs, and the next digit represents the QoS level of the RB.
  • RB3-1 indicates an RB of QoS class 1 belonging to UE3.
  • Fig. 2 shows a schematic block diagram of uplink rate control on a backhaul link in accordance with a first embodiment of the present invention.
  • the system is based on a QoS image.
  • the first-level priority processing is performed on the backhaul link radio bearer (Un RB ), which is the access link radio bearer (Uu RB ) of at least one user equipment (UE) according to the quality of service QoS.
  • Un RB the backhaul link radio bearer
  • Uu RB access link radio bearer
  • the mapped RB group and performing a second level of priority processing on the Uu RBs aggregated by each Un RB.
  • the Uu RB of at least one UE is mapped into an RB group, SP Un RB according to the quality of service QoS.
  • Uu RBs are classified according to QoS class, and Uu RBs of the same or similar QoS class are grouped.
  • the first level priority processing is performed on Un RB 3, Un RB2, and Un RB1 'that is, the sharing of uplink resources between the RB groups is managed; and respectively, the Uu aggregated by the Un RB 3 RB2-3, Uu RBl-3 performs the second-level priority processing, and performs the second-level priority processing on Uu RB3-2, Uu RB2-2, and Uu RBI-2 aggregated by Un RB2, and the Uu RB3 aggregated by Un RBI.
  • -K Uu RB2-1 and Uu RBl-1 perform second-level prioritization, that is, manage sharing of Un RB resources to which these Uu RBs belong between Uu RBs.
  • the uplink rate control on the backhaul link is thus achieved by these two levels of priority processing.
  • FIG. 3 shows a schematic block diagram of uplink rate control on a backhaul link in accordance with a second embodiment of the present invention.
  • the system adopts a UE image, in this case, for Un RB
  • the first level of priority processing is performed, where the Un RB is an RB group that is mapped by the Uu RB of the at least one UE according to the UE; and the second level of priority processing is performed on the Uu RB that is aggregated by each Un RB.
  • the UuRB of at least one UE is in accordance with the RB group formed by the UE, that is, the UnRB, for example, the Uu RB3-2 and the UuRB3-l belonging to the UE3 are mapped (multiplexed) into the UnRB3.
  • UuRB2-3, Uu RB2-2 and Uu RB2-1 belonging to UE2 are mapped (multiplexed) into Un RB2, UuRBl-3, Uu RB1-2 and Uu RB1-1 images belonging to UE1 (multiplexed) into UnRBl .
  • the first level priority processing is performed on the UnRB 3, the UnRB2, and the UnRB1, that is, the sharing of the uplink resources between the RB groups is managed; and the UuRB3-l aggregated by the Un RB 3, respectively.
  • the UuRB3-2 performs the second-level priority processing, and performs the second-level priority processing on the Uu RB2-3, Uu RB2-2, and Uu RB2-1 aggregated by the Un RB2, and the Uu RBl-3 and Uu RB1 aggregated by the Un RBI.
  • -2 and Uu RBl-1 perform second-level prioritization, that is, manage sharing of Un RB resources to which these Uu RBs belong between Uu RBs.
  • the uplink rate control on the backhaul link is thus achieved by these two levels of priority processing.
  • FIG. 4 is a schematic block diagram showing uplink rate control on a backhaul link in accordance with a third embodiment of the present invention.
  • all pairs of images are employed.
  • the first level of priority processing is performed on the Uu RB group corresponding to the specific rule of the Uu RB of at least one UE; and the second level priority processing is performed on the Uu RB in each Uu RB group.
  • UuRBs are mapped into one Un RB. Since there is only one Un RB, there is no need to perform priority processing on UnRB, but prior to multiplexing, priority processing is required. Therefore, UuRBs are virtually grouped according to a certain rule (e.g., according to the UE to which they belong, QoS class, etc.).
  • Uu RBs belonging to the same UE are considered to be a group. Therefore, according to the embodiment of the present invention, the following priority processing may be performed on the following UuRB groups: a UuRB group composed of UuRB3-2 and UuRB3-l, and a UuRB group composed of UuRB2-3, UuRB2-2, and UuRB2-l, And a UuRB group consisting of UuRBl-3, UuRBl-2, and UuRBl-1, that is, managing sharing of uplink resources between UuRB groups; and separately performing second-level priority on UuRBs in each UuRB group Processing, that is, managing the sharing of UuRB group resources to which these UuRBs belong to the UuRB.
  • the uplink rate control on the backhaul link is achieved by performing two levels of prioritization.
  • FIG. 5 shows an indication of uplink rate control on a backhaul link according to a fourth embodiment of the present invention.
  • Intentional block diagram In this embodiment, a one-to-one image is employed.
  • the Un RB that is one-to-one mapped to the Uu RB of the at least one UE performs the first-level priority processing according to the Un RB group corresponding to the specific rule; and performs the execution of the Un RB in each Un RB group. Second-level priority processing.
  • each Uu RB is mapped into a corresponding Un RB.
  • the Un RBs are considered to belong to a group according to a certain rule (for example, according to the UE to which they belong or according to the QoS class).
  • the Un RBs belonging to the same UE are considered as a group.
  • an Un RB group composed of Un RBs (Un RB3-2 and Un RB3-l ) belonging to UE3 and Un RBs belonging to UE2 (Un RB2-3, Un RB2-2, and Un RB2-) 1)
  • the Un RB group formed by the Un RB group and the Un RB (Un RBl-3, Un RB1-2, and Un RBl-1) belonging to UE1 performs the first-level priority processing, SP, and manages the Un RB group. Sharing of uplink resources between them; and separately performing second-level priority processing on Un RBs in each Un RB group, that is, managing sharing of uplink resources between Un RBs.
  • uplink rate control on the backhaul link is achieved by performing two levels of priority processing.
  • the resource scheduling is further refined by adopting two-level priority processing, thereby improving the quality of service.
  • all RB groups are finally multiplexed into the uplink shared channel (UL-SCH) by the RN and sent to the eNB.
  • static priority and dynamic priority may be set for each RB to perform the second-level priority processing before performing the first-level priority processing, and according to the static priority and dynamic priority of each RB.
  • the static priority and dynamic priority of the corresponding RB group to perform the first-level priority processing are respectively calculated.
  • the initial value of the dynamic priority of the RB is set to the static priority value of the RB, and the dynamic priority of the RB is increased when the RB experiences a delay, and is reduced when the RB obtains the transmission resource, and is not low.
  • step 601 static parameters are set for each RB that is to perform the second level of priority processing.
  • the static parameters shown may include static priority, priority processing bit rate (PBR), and leaky bucket size duration (BSD).
  • PBR priority processing bit rate
  • BSD leaky bucket size duration
  • the static priority is fixed throughout the lifetime of the RB, and its value can be, for example, an integer of 1 to 16. It is assumed in the present embodiment that 1 represents the highest priority 16 represents the lowest priority.
  • step 602 the dynamic priority of each RB is set to the static priority of the RB.
  • Dynamic priority is a temporary value that has the same range of values as the static priority value (for example, 1 to 16).
  • the group priority processing bit rate (GPBR) of the RB group can be obtained by summing the PBRs of all the RBs in the RB group, and similarly, all the RBs of all the RBs in the RB group can be obtained.
  • the BSD is summed to obtain the group leak bucket size duration (GBSD) of the RB group.
  • step 604 the static priority and the dynamic priority of the corresponding RB group to be processed in the first level are respectively calculated according to the static priority and the dynamic priority of each RB.
  • the static priority of the RB group can be obtained by averaging the static priorities of all the RBs in the RB group.
  • the dynamic priority of all the RBs in the RB group can be obtained. On average, to get the dynamic priority of the RB group.
  • step 605 it is determined whether the current transport block (TB) is an uplink access TB or an uplink backhaul TB. If it is an uplink access TB, step 606 is performed, and if it is an uplink backhaul TB, step 611 is performed.
  • step 606 all Uu RBs are demultiplexed.
  • step 607 it is determined whether the TB is subjected to retransmission, and if so, step 608 is performed, otherwise step 609 is performed.
  • step 608 the dynamic priority of each RB in the current TB is increased. It should be noted that in this step, it is ensured that the priority of the RB cannot be increased beyond the highest priority. For example, the dynamic priority value of the RB cannot exceed the highest value of 1.
  • step 609 it is determined whether all of the RBs have undergone the above processing, and if so, step 610 is performed, otherwise returning to step 607.
  • step 610 the dynamic priority of each RB group is recalculated, and the process returns to step 605.
  • a first level of priority processing is performed on all RB groups based on the dynamic priority of the RB group. For example, related parameters (eg, group priority, group priority processing bit rate (GPBR), and group leaky bucket size duration (BGSD)) may be used to share uplink resources between RB groups based on a token leaky bucket algorithm.
  • related parameters eg, group priority, group priority processing bit rate (GPBR), and group leaky bucket size duration (BGSD)
  • GPBR group priority processing bit rate
  • BGSD group leaky bucket size duration
  • step 612 it is determined whether an RB group obtains transmission resources, and if so, step 613 is performed, otherwise step 616 is performed.
  • the second level of priority processing is performed based on the dynamic priority of the RB.
  • the second level of priority processing can be implemented by the token leaky bucket algorithm.
  • related parameters e.g., priority, priority processing bit rate (PBR), and leaky bucket size duration (BSD)
  • PBR priority processing bit rate
  • BSD leaky bucket size duration
  • the RB group control parameters may be calculated according to the RB parameters by some rules.
  • the group priority may be the average of its RB priorities
  • the GPBR is the sum of its RB PBRs
  • the GBSD is the sum of its RB BSDs.
  • the relevant parameters of the RB group can also be configured by the upper layer.
  • the dynamic priority of each RB that obtained the transmission resource is reduced. It should be noted that in this step, it should be ensured that the dynamic priority of the RB cannot be lower than the static priority of the RB. For example, if the dynamic priority of the RB that obtained the transmission resource is lowered below its static priority, the dynamic priority of the RB is forcibly set to the static priority of the RB.
  • steps 612 through 614 are performed for the next RB group.
  • step 616 it is determined whether all of the RB groups have undergone the processing of steps 602 through 615 above, and if so, step 617 is performed, otherwise step 612 is returned.
  • the associated RBs are multiplexed into TBs.
  • step 608 the dynamic priority of each RB group is recalculated, and the process returns to step 605.
  • the priority of the RB group to which the RB belongs also changes. Therefore, the priority of the RB group needs to be recalculated to ensure the first priority processing and The second priority processing is based on the new priority.
  • Figure 7 shows a comparison of the results of an uplink rate control scheme on a backhaul link employing the present invention and an uplink rate control scheme of a prior art backhaul link.
  • the traffic from UE1 is delayed due to retransmission, in which case its dynamic priority is increased according to an embodiment of the present invention, so that the delayed traffic can be preferentially transmitted. Therefore, it can be seen from FIG. 7 that the embodiment of the present invention is introduced by comparison with the prior art.
  • the dynamic priority mechanism makes it possible to effectively compensate for delays due to retransmissions or calls.
  • the quality of service can be improved by performing two-level priority processing instead of first-level priority processing by using the method provided by the embodiment of the present invention.
  • the introduction of dynamic priority it is possible to compensate for delays caused by retransmissions or calls.
  • the present invention also provides a relay node (RN) device.
  • RN relay node
  • FIG. 8 shows a functional block diagram of a relay node RN device 800 for uplink rate control on a backhaul link in accordance with an embodiment of the present invention.
  • the RN device 800 includes: a priority processing device 801 for implementing uplink rate control by performing two levels of priority processing.
  • the priority processing device 801 includes a first priority processing unit 8011 and a second priority processing unit 8012.
  • the first priority processing unit 8011 is configured to perform a first level priority processing on the backhaul link radio bearer Un RB, where the Un RB is an RB formed by the access link radio bearer Uu RB of the at least one user equipment UE according to the quality of service QoS.
  • the second priority processing unit 8012 is configured to perform second-level priority processing on the Uu RBs aggregated by each Un RB.
  • the first priority processing unit is configured to perform first level priority processing on the Un RB, where the Un RB is an RB group formed by the Uu RB of the at least one UE according to the UE mapping; the second priority processing unit is used for each Un RB The aggregated Uu RB performs the second level of priority processing.
  • the first priority processing unit is configured to perform first-level priority processing on the Uu RB group corresponding to the Uu RB of the at least one UE according to the specific rule; and the second priority processing > element is used to collect the Uu RB for each Uu RB group. Perform second level priority processing.
  • the first priority processing unit is configured to perform first-level priority processing on the Un RB group corresponding to the Un RB of the at least one UE according to the specific rule; the second priority processing unit is used for each Un RB The Un RB aggregated by the group performs the second level of priority processing.
  • the RN device 800 may further include: an RB priority providing device 802, configured to set a static priority for each RB to perform the second-level priority processing before performing the first-level priority processing. Level and dynamic priority, and storing the static priority and the dynamic priority of the RB, wherein the initial value of the dynamic priority of the RB is set to the static priority value of the RB; the RB group priority providing means 803 is configured to The static priority and the dynamic priority of the RB respectively calculate a static priority and a dynamic priority of the corresponding RB group to perform the first-level priority processing; the dynamic priority maintenance device 804 is configured to experience the delay in the RB The dynamic priority of the RB in the RB priority providing apparatus is increased, and the dynamic priority of the RB in the RB priority providing apparatus 802 is reduced in the case that the RB obtains the transmission resource, and the dynamic priority of the RB is guaranteed.
  • an RB priority providing device 802 configured to set a static priority for each RB to perform the second-level priority processing before performing the first-level priority processing
  • the dynamic priority maintaining means 804 also sends the changed RB dynamic priority to the RB group priority providing means 803 to recalculate the RB corresponding to the dynamic priority change.
  • Dynamic priority of the RB group In this case, the first level priority processing unit 8011 is based on the first level priority processing performed according to the dynamic priority of the RB group in the RB group priority providing means 803, and the second level priority unit 8012 is based on the RB priority level.
  • the dynamic priority of the RBs in the device 802 is provided to perform the second level of priority processing.
  • the RN device provided by the embodiment of the present invention can improve the quality of service by performing two-level priority processing instead of first-level priority processing. At the same time, due to the introduction of dynamic priority, it is possible to compensate for delays caused by retransmissions or calls.
  • each of the components shown in FIG. 8 can be implemented by a plurality of devices in practical applications, and the plurality of components shown are In practice, it can also be integrated into a chip or a device.
  • the RN device in embodiments of the present invention may also include any unit or device for other purposes.
  • the different steps of the above methods can be implemented by a programmed computer.
  • some embodiments also include a machine readable or computer readable program storage device (eg, a digital data storage medium) and encoding machine executable or computer executable program instructions, wherein the instructions perform some of the above methods or All steps.
  • the program storage device can be a digital memory, a magnetic storage medium (such as a disk and tape), a hardware or an optically readable digital data storage medium.
  • the implementation also includes a programming computer that performs the steps of the above method.

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  • Computer Networks & Wireless Communication (AREA)
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  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention porte sur un procédé et un dispositif de commande de débit en liaison montante sur une liaison terrestre. Un procédé de priorité à deux niveaux est mis en œuvre pour permettre la commande de débit en liaison montante, afin que la qualité de service puisse être améliorée. Les modes de réalisation de la présente invention concernent, en outre, un mécanisme de priorité dynamique, afin que les retards provoqués par des retransmissions ou des transferts puissent être compensés.
PCT/CN2010/000441 2010-04-06 2010-04-06 Procédé et dispositif de commande de liaison montante pour une liaison terrestre relais à évolution à long terme (lte) Ceased WO2011123971A1 (fr)

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PCT/CN2010/000441 WO2011123971A1 (fr) 2010-04-06 2010-04-06 Procédé et dispositif de commande de liaison montante pour une liaison terrestre relais à évolution à long terme (lte)
CN201080064373.5A CN102792728B (zh) 2010-04-06 2010-04-06 Lte中继回程的上行链路控制方法和设备

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PCT/CN2010/000441 WO2011123971A1 (fr) 2010-04-06 2010-04-06 Procédé et dispositif de commande de liaison montante pour une liaison terrestre relais à évolution à long terme (lte)

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WO2009079842A1 (fr) * 2007-12-19 2009-07-02 Alcatel Shanghai Bell Company, Ltd. Procédé et dispositif de commande de transmission de paquet de données dans un réseau à relais sans fil
CN101335715A (zh) * 2008-07-21 2008-12-31 华为技术有限公司 无线自回传的方法、装置和系统

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