GB2531221A - RAN overload control for M2M communications in LTE networks - Google Patents

RAN overload control for M2M communications in LTE networks Download PDF

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Publication number
GB2531221A
GB2531221A GB1601604.0A GB201601604A GB2531221A GB 2531221 A GB2531221 A GB 2531221A GB 201601604 A GB201601604 A GB 201601604A GB 2531221 A GB2531221 A GB 2531221A
Authority
GB
United Kingdom
Prior art keywords
prioritised
communications
requests
devices
random access
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.)
Granted
Application number
GB1601604.0A
Other versions
GB201601604D0 (en
GB2531221B (en
Inventor
Harsha Chetan
Fan Zhong
Cao Fengming
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.)
Toshiba Europe Ltd
Original Assignee
Toshiba Research Europe 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 Toshiba Research Europe Ltd filed Critical Toshiba Research Europe Ltd
Publication of GB201601604D0 publication Critical patent/GB201601604D0/en
Publication of GB2531221A publication Critical patent/GB2531221A/en
Application granted granted Critical
Publication of GB2531221B publication Critical patent/GB2531221B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0057—Physical resource allocation for CQI
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058—Allocation criteria
    • H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H04W74/002—Transmission of channel access control information
    • H04W74/008—Transmission of channel access control information with additional processing of random access related information at receiving side
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
    • H04W74/0833—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a random access procedure

Abstract

In a 3GPP LTE-A support for Mobile Type Communications, that is, M2M communications scheme, improvements of the random access are necessary to prevent random channel overload. Enhanced back¬ off in the presence of overload is such a mechanism, Counting the number of devices seeking RACH based on the number of received random access requests or else responses, and allocating Random Access resources on the basis of the number of requests, is another. Further, a channel aware resource allocation approach provides a way of determining, from the received requests, delay-tolerance of the M2M devices, based on which they are prioritised in accessing the random channel. Even within the prioritised devices, a smaller subset thereof may be prioritised further, according to radio conditions, to provide better access to those with higher SNR RBs.
GB1601604.0A 2013-08-01 2013-08-01 RAN overload control for M2M communications in LTE networks Expired - Fee Related GB2531221B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/GB2013/052067 WO2015015136A1 (en) 2013-08-01 2013-08-01 Ran overload control for m2m communications in lte networks

Publications (3)

Publication Number Publication Date
GB201601604D0 GB201601604D0 (en) 2016-03-16
GB2531221A true GB2531221A (en) 2016-04-13
GB2531221B GB2531221B (en) 2020-04-15

Family

ID=48949182

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1601604.0A Expired - Fee Related GB2531221B (en) 2013-08-01 2013-08-01 RAN overload control for M2M communications in LTE networks

Country Status (3)

Country Link
US (1) US10034121B2 (en)
GB (1) GB2531221B (en)
WO (1) WO2015015136A1 (en)

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US20160309516A1 (en) * 2015-04-19 2016-10-20 Shin Horng Wong Power reduction on random access response reception for coverage enhanced low complexity machine type communication
US9843923B2 (en) 2015-07-08 2017-12-12 At&T Intellectual Property I, L.P. Adaptive group paging for a communication network
TWI569656B (en) * 2015-09-30 2017-02-01 Chunghwa Telecom Co Ltd Estimate the number of network devices
KR101707163B1 (en) * 2015-10-02 2017-02-15 성균관대학교산학협력단 Method and apparatus for dynamic random access control and resource allocation in wireless communication system
WO2017075790A1 (en) * 2015-11-05 2017-05-11 华为技术有限公司 Random access device, method and system
KR101726371B1 (en) * 2016-05-04 2017-04-12 숙명여자대학교산학협력단 Method and apparatus for setting barring factor for controlling access of user equipments in consideration of slope of variation in the number of access attempting terminals
TWI638573B (en) * 2016-08-03 2018-10-11 中華電信股份有限公司 Radio resource allocation method for mobile communication system
CN114786269A (en) 2017-03-27 2022-07-22 中兴通讯股份有限公司 Indication method and device for random access of physical resources
CN109392017B (en) * 2017-08-11 2021-07-09 大唐移动通信设备有限公司 Random access response method, device, base station and terminal
US11259329B2 (en) * 2017-08-21 2022-02-22 Qualcomm Incorporated Prioritized random access procedure
US11678368B2 (en) * 2017-10-24 2023-06-13 Telefonaktiebolaget Lm Ericsson (Publ) Technique for listening after talk

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KR101429276B1 (en) * 2007-04-30 2014-08-12 엘지전자 주식회사 Method for controlling radio resource allocation in mobile communication system
MY164719A (en) * 2010-02-12 2018-01-30 Interdigital Patent Holdings Inc Method and apparatus for optimizing uplink random access channel transmission
WO2011097767A1 (en) * 2010-02-12 2011-08-18 上海贝尔股份有限公司 Network access method and system for machine type communications
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EP2120371A1 (en) * 2007-01-19 2009-11-18 NTT DoCoMo, Inc. Base station device, mobile station, mobile communication system, and communication control method
US20120033613A1 (en) * 2010-08-04 2012-02-09 National Taiwan University Enhanced rach design for machine-type communications
WO2012135996A1 (en) * 2011-04-02 2012-10-11 Alcatel Lucent Slotted access for wireless communication devices and control thereof

Also Published As

Publication number Publication date
GB201601604D0 (en) 2016-03-16
GB2531221B (en) 2020-04-15
US10034121B2 (en) 2018-07-24
WO2015015136A1 (en) 2015-02-05
US20160165378A1 (en) 2016-06-09

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PCNP Patent ceased through non-payment of renewal fee

Effective date: 20230801