WO2017193921A1 - Procédé et dispositif d'envoi et de détection d'informations de planification de liaison montante et de liaison descendante - Google Patents

Procédé et dispositif d'envoi et de détection d'informations de planification de liaison montante et de liaison descendante Download PDF

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Publication number
WO2017193921A1
WO2017193921A1 PCT/CN2017/083666 CN2017083666W WO2017193921A1 WO 2017193921 A1 WO2017193921 A1 WO 2017193921A1 CN 2017083666 W CN2017083666 W CN 2017083666W WO 2017193921 A1 WO2017193921 A1 WO 2017193921A1
Authority
WO
WIPO (PCT)
Prior art keywords
grant
downlink control
basic
control channel
downlink
Prior art date
Application number
PCT/CN2017/083666
Other languages
English (en)
Chinese (zh)
Inventor
王磊
高雪娟
郑方政
Original Assignee
电信科学技术研究院
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 电信科学技术研究院 filed Critical 电信科学技术研究院
Publication of WO2017193921A1 publication Critical patent/WO2017193921A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Definitions

  • n s is the number of a slot in a radio frame.
  • the EREG number is:
  • the formula for the EPDCCH search space is defined as:
  • p PRB-set
  • L is the aggregation level
  • the specific frequency domain location is shared to all terminals or terminal specific.
  • the downlink control region on the TTI includes one or more UL grants of terminals that need to transmit data.
  • the specific frequency domain location is shared to all terminals or terminal specific.
  • the next most recent uplink transmission time period is the first uplink transmission time period after the terminal correctly parses the UL grant.
  • the multiple UL grants are carried by different downlink control channels, and the terminal schedules its own UL grant according to RNTI blind detection;
  • the multiple UL grants are carried by the same downlink control channel, and after receiving the UL grants carried by the downlink control channel, the terminal schedules its own UL grant according to the identifier in the UL grant.
  • a scheduling information determining module configured to determine a DL grant and a UL grant sent to the terminal
  • the scheduling information sending module is further configured to adopt the N symbols or N basic TTIs in which one or more downlink control regions exist.
  • the scheduling information sending module is further configured to send the one or more UL grants for indicating allocation of uplink transmission resources of one or more terminals in a next most recent uplink transmission period.
  • FIG. 1 is a schematic structural view of a Frame structure type 1 in the background art
  • FIG. 12 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
  • the downlink control channel carrying the DL grant is detected in a fixed frequency domain position in each of the basic TTIs in the downlink transmission time period, and A is a positive integer greater than or equal to 1.
  • the downlink control channel carrying the UL grant is detected in N symbols at a specific position in the downlink transmission time period or a specific frequency domain position on the N basic TTIs, and N is a positive integer greater than or equal to 1.
  • the one or more UL grants are carried by the same downlink control channel, and after receiving the UL grants carried by the downlink control channel, the terminal schedules its own UL grant according to the identifier in the UL grant.
  • Step 502 Detect a DL grant on the first downlink control channel, and detect a UL grant on the second downlink control channel.
  • the length of the basic TTI is B symbols, and the B is a positive integer greater than or equal to 1; the length of the basic TTI is predefined or pre-configured.
  • each of the fixed frequency domain locations includes at most one DL grant for one terminal or a group of terminals.
  • the terminal may blindly check its own UL grant according to the RNTI, or obtain its own uplink scheduling information (for example, UE ID) according to the identifier carried by the UL grant.
  • UE ID uplink scheduling information
  • the scheduling information sending module is further configured to include at most one DL grant for one terminal or a group of terminals in each fixed frequency domain location.
  • the scheduling information sending module is further configured to use the one or more UL grants carried by different downlink control channels, and the terminal schedules its own UL grant according to the RNTI blind check; or, is carried by the same downlink control channel.
  • the one or more UL grants after receiving all the UL grants carried by the downlink control channel, and scheduling their own UL grants according to the identifiers in the UL grants.
  • the detection module is further configured to detect each of the fixed frequency domain locations including at most one DL grant for a terminal or a group of terminals.
  • the detecting module is further configured to detect the N symbols or N basic TTIs in which one or more downlink control regions exist.
  • one or more downlink control regions exist on the N symbols or N basic TTIs.
  • the one or more UL grants are used to indicate allocation of uplink transmission resources of one or more terminals in a next most recent uplink transmission period.
  • the next most recent uplink transmission time period is the first uplink transmission time period after the terminal correctly parses the UL grant.
  • the one or more UL grants are carried by the same downlink control channel, and after receiving the UL grants carried by the downlink control channel, the terminal schedules its own UL grant according to the identifier in the UL grant.
  • the downlink control region on the TTI includes one or more UL grants of terminals that need to transmit data.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé et un dispositif permettant d'envoyer et de recevoir des informations de planification de liaison montante et de liaison descendante. Le procédé consiste : pendant l'envoi, à envoyer des informations de programmation de liaison descendante sur un premier canal de commande de liaison descendante, et à envoyer des informations de planification de liaison montante sur un second canal de commande de liaison descendante ; et pendant la détection d'un terminal, à détecter des informations de programmation de liaison descendante sur le premier canal de commande de liaison descendante, et à détecter les informations de planification de liaison montante sur le second canal de commande de liaison descendante, le premier canal de commande de liaison descendante et le second canal de commande de liaison descendante étant indépendants l'un de l'autre. Dans la présente invention, des espaces de recherche d'informations de planification de liaison montante et de liaison descendante sont définis indépendamment, et le terminal reçoit des informations de planification de liaison montante et des informations de planification de liaison descendante au niveau de différents emplacements de ressources. Par conséquent, les ressources temps-fréquence peuvent être planifiées de manière plus souple, et un intervalle de temps de transmission plus court et divers types de services peuvent être pris en charge.
PCT/CN2017/083666 2016-05-12 2017-05-09 Procédé et dispositif d'envoi et de détection d'informations de planification de liaison montante et de liaison descendante WO2017193921A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610316520.2A CN107371262B (zh) 2016-05-12 2016-05-12 一种上下行调度信息的发送、检测方法及装置
CN201610316520.2 2016-05-12

Publications (1)

Publication Number Publication Date
WO2017193921A1 true WO2017193921A1 (fr) 2017-11-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/083666 WO2017193921A1 (fr) 2016-05-12 2017-05-09 Procédé et dispositif d'envoi et de détection d'informations de planification de liaison montante et de liaison descendante

Country Status (2)

Country Link
CN (1) CN107371262B (fr)
WO (1) WO2017193921A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102209392A (zh) * 2010-03-31 2011-10-05 电信科学技术研究院 一种下行控制资源分配方法和设备
CN102624507A (zh) * 2011-02-01 2012-08-01 华为技术有限公司 上/下行调度信息发送方法和接收方法及装置
US20150181571A1 (en) * 2012-08-15 2015-06-25 Lg Electronics Inc. Method monitoring pdcch based on drx and communication device thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102209392A (zh) * 2010-03-31 2011-10-05 电信科学技术研究院 一种下行控制资源分配方法和设备
CN102624507A (zh) * 2011-02-01 2012-08-01 华为技术有限公司 上/下行调度信息发送方法和接收方法及装置
US20150181571A1 (en) * 2012-08-15 2015-06-25 Lg Electronics Inc. Method monitoring pdcch based on drx and communication device thereof

Also Published As

Publication number Publication date
CN107371262A (zh) 2017-11-21
CN107371262B (zh) 2019-08-06

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