CA2977154C - Random access procedures under coverage limitations - Google Patents

Random access procedures under coverage limitations Download PDF

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Publication number
CA2977154C
CA2977154C CA2977154A CA2977154A CA2977154C CA 2977154 C CA2977154 C CA 2977154C CA 2977154 A CA2977154 A CA 2977154A CA 2977154 A CA2977154 A CA 2977154A CA 2977154 C CA2977154 C CA 2977154C
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Prior art keywords
random access
level
prach
message
base station
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CA2977154A
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English (en)
French (fr)
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CA2977154A1 (en
Inventor
Madhavan Srinivasan Vajapeyam
Hao Xu
Wanshi Chen
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Qualcomm Inc
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Qualcomm Inc
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H04W74/006—Transmission of channel access control information in the downlink, i.e. towards the terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/02—Selection of wireless resources by user or terminal
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
CA2977154A 2015-04-03 2016-04-03 Random access procedures under coverage limitations Active CA2977154C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201562143001P 2015-04-03 2015-04-03
US62/143,001 2015-04-03
US15/089,528 2016-04-02
US15/089,528 US10631330B2 (en) 2015-04-03 2016-04-02 Random access procedures under coverage limitations
PCT/US2016/025797 WO2016161408A1 (en) 2015-04-03 2016-04-03 Random access procedures under coverage limitations

Publications (2)

Publication Number Publication Date
CA2977154A1 CA2977154A1 (en) 2016-10-06
CA2977154C true CA2977154C (en) 2023-08-01

Family

ID=55745855

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2977154A Active CA2977154C (en) 2015-04-03 2016-04-03 Random access procedures under coverage limitations

Country Status (9)

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US (2) US10631330B2 (enExample)
EP (1) EP3278620A1 (enExample)
JP (2) JP2018510583A (enExample)
KR (2) KR102483808B1 (enExample)
CN (1) CN107432042B (enExample)
BR (1) BR112017021188B1 (enExample)
CA (1) CA2977154C (enExample)
TW (1) TWI716395B (enExample)
WO (1) WO2016161408A1 (enExample)

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