JPWO2018203696A5 - - Google Patents

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JPWO2018203696A5
JPWO2018203696A5 JP2019560714A JP2019560714A JPWO2018203696A5 JP WO2018203696 A5 JPWO2018203696 A5 JP WO2018203696A5 JP 2019560714 A JP2019560714 A JP 2019560714A JP 2019560714 A JP2019560714 A JP 2019560714A JP WO2018203696 A5 JPWO2018203696 A5 JP WO2018203696A5
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好ましくは、前記方法は、前記ＮＰＲＡＣＨプリアンブルの最後の繰り返し送信に前記保護時間を適用するか否かを指示する情報を受信するステップをさらに含み、前記情報が、前記ＮＰＲＡＣＨプリアンブルの最後の繰り返し送信に前記保護時間が適用されないこと、及び、前記時間間隔（ｔｉｍｅ ｇａｐ）が保護時間（ｇｕａｒｄ ｔｉｍｅ）よりも小さいことを指示する場合、前記ＮＰＲＡＣＨプリアンブルの最後の繰り返し送信はドロップされないか、パンクチャーされないことがありうる。
Preferably, the method further comprises the step of receiving information indicating whether or not to apply the protection time to the last repeat transmission of the NPRACH preamble, the information being the last repeat transmission of the NPRACH preamble. The last repeated transmission of the NPRACH preamble is not dropped or punctured if it indicates that the protection time does not apply and that the time interval (time gap) is less than the protection time (guard time). It is possible .

好ましくは、前記情報が、前記ＮＰＲＡＣＨプリアンブルの最後の繰り返し送信に前記保護時間が適用されること、及び、前記時間間隔（ｔｉｍｅ ｇａｐ）が保護時間（ｇｕａｒｄ ｔｉｍｅ）よりも小さいことを指示する場合、前記ＮＰＲＡＣＨプリアンブルの最後の繰り返し送信はドロップされるか、前記保護時間と前記時間間隔との差分だけパンクチャーされることができる。
Preferably, if the information indicates that the protection time is applied to the last repeated transmission of the NPRACH preamble and that the time interval (time gap) is less than the protection time (guard time). The last repetitive transmission of the NPRACH preamble can be dropped or punctured by the difference between the protection time and the time interval.

Claims (15)

ＮＢ－ＩｏＴ（ｎａｒｒｏｗｂａｎｄ－ｉｎｔｅｒｎｅｔ ｏｆ ｔｈｉｎｇｓ）を支援する無線通信システムにおいて、端末がランダム接続過程を行う方法であって、
基地局から、ＮＰＲＡＣＨ（Ｎａｒｒｏｗｂａｎｄ Ｐｈｙｓｉｃａｌ Ｒａｎｄｏｍ Ａｃｃｅｓｓ Ｃｈａｎｎｅｌ）プリアンブル繰り返し数を含むＮＰＲＡＣＨ構成情報（ｃｏｎｆｉｇｕｒａｔｉｏｎ ｉｎｆｏｒｍａｔｉｏｎ）を受信するステップと、
前記ＮＢ－ＩｏＴに対して前記ランダム接続過程を実行するステップとを含み、
前記ランダム接続過程を実行するステップは、
前記ＮＰＲＡＣＨ構成情報に基づき、ＮＰＲＡＣＨプリアンブルを繰り返し前記基地局へ送信するステップと、
前記ＮＰＲＡＣＨプリアンブルに応答してランダム接続応答（ＲＡＲ）を、前記基地局から、受信するステップを含み、
前記ＮＰＲＡＣＨプリアンブルの最後の繰り返し送信が完了する時と、次のサブフレームとの間の時間間隔（ｔｉｍｅ ｇａｐ）が保護時間（ｇｕｒａｄ ｔｉｍｅ）より短いことに基づいて、前記ＮＰＲＡＣＨプリアンブルの最後の繰り返し送信はドロップされるか、又は、前記保護時間と前記時間間隔の間の差分によりパンクチャー（ｐｕｎｃｔｕｒｅ）される、方法。 In a wireless communication system that supports NB-IoT (narrowband-internet of things), it is a method in which a terminal performs a random connection process.
A step of receiving NPRAC H configuration information (configuration information) including the number of repeats of the NPRACH (Narrowband Physical Random Access Channel) preamble from the base station, and
Including the step of executing the random connection process for the NB-IoT .
The step of executing the random connection process is
A step of repeatedly transmitting the NPRACH preamble to the base station based on the NPRACH configuration information, and
Including the step of receiving a random connection response (RAR) from the base station in response to the NPRACH preamble .
The last repetitive transmission of the NPRACH preamble based on the fact that the time interval (time gap) between the time when the last repetitive transmission of the NPRACH preamble is completed and the next subframe is shorter than the protection time (gurad time). Is dropped or punctured by the difference between the protection time and the time interval . 前記保護時間は、前記ＮＰＲＡＣＨ構成情報によって設定される、請求項１に記載の方法。 The method of claim 1, wherein the protection time is set by the NPRACH configuration information. 前記ＮＰＲＡＣＨプリアンブルの繰り返し送信回数は、前記ＮＰＲＡＣＨ構成情報によって設定される、請求項１に記載の方法。 The method according to claim 1, wherein the number of repeated transmissions of the NPRACH preamble is set by the NPRACH configuration information. 前記繰り返し送信回数は、１、２、４、８、１６、３２、６４又は１２８の１つに設定され、
前記繰り返し送信回数が１、２又は４の１つである場合、前記ＮＰＲＡＣＨプリアンブルの繰り返し送信回数は、次上位繰り返し送信回数に設定される、請求項３に記載の方法。 The number of repeated transmissions is set to one of 1, 2, 4, 8, 16, 32, 64 or 128.
The method according to claim 3, wherein when the number of repeated transmissions is one of 1, 2 or 4, the number of repeated transmissions of the NPRACH preamble is set to the next higher number of repeated transmissions. 前記ＮＰＲＡＣＨプリアンブルは、４個のシンボルグループを含み、前記４個のシンボルグループのそれぞれは、３個のシンボルに対応する循環前置部分と、３個のシンボルに対応するシーケンス部分を含む、請求項１に記載の方法。 A claim that the NPRACH preamble comprises four symbol groups, each of the four symbol groups comprising a circular preposition corresponding to the three symbols and a sequence portion corresponding to the three symbols. The method according to 1. 前記４個のシンボルグループのそれぞれに対して、シンボルレベルスクランブリングが適用される、請求項５に記載の方法。 The method of claim 5, wherein symbol level scrambling is applied to each of the four symbol groups. 前記４個のシンボルグループに対して、シンボルグループレベルスクランブリングが適用される、請求項５に記載の方法。 The method of claim 5, wherein symbol group level scrambling is applied to the four symbol groups. 前記ＮＰＲＡＣＨプリアンブルは、４個のシンボルグループを含み、前記４個のシンボルグループのそれぞれは、３個のシンボル長さを有する循環前置部分と、５個のシンボル長さを有するシーケンス部分を含む、請求項１に記載の方法。 The NPRACH preamble comprises four symbol groups, each of which comprises a circular preposition having three symbol lengths and a sequence portion having five symbol lengths. The method according to claim 1. 前記４個のシンボルグループのそれぞれに対して、シンボルレベルスクランブリングが適用される、請求項８に記載の方法。 The method of claim 8, wherein symbol level scrambling is applied to each of the four symbol groups. 前記４個のシンボルグループに対して、シンボルグループレベルスクランブリングが適用される、請求項８に記載の方法。 The method of claim 8, wherein symbol group level scrambling is applied to the four symbol groups. 前記ＮＰＲＡＣＨプリアンブルのためのサブキャリア間隔は、１．５キロヘルツ（ｋＨｚ）以下に設定される、請求項１に記載の方法。 The method of claim 1, wherein the subcarrier spacing for the NPRACH preamble is set to 1.5 kHz (kHz) or less. 前記ＮＰＲＡＣＨプリアンブルは、４個のシンボルグループを含み、前記４個のシンボルグループのそれぞれは、１個のシンボルに対応する循環前置部分と、１個のシンボルに対応するシーケンス部分を含む、請求項１１に記載の方法。 The NPRACH preamble comprises four symbol groups, each of which comprises a circular preposition corresponding to one symbol and a sequence portion corresponding to one symbol. 11. The method according to 11. 前記ＮＰＲＡＣＨプリアンブルの最後の繰り返し送信に前記保護時間を適用するか否かを指示する情報を受信するステップをさらに含み、
前記情報が、前記ＮＰＲＡＣＨプリアンブルの最後の繰り返し送信に前記保護時間が適用されないこと、及び、前記時間間隔（ｔｉｍｅ ｇａｐ）が保護時間（ｇｕａｒｄ ｔｉｍｅ）よりも小さいことを指示する場合、前記ＮＰＲＡＣＨプリアンブルの最後の繰り返し送信はドロップされないか、パンクチャーされない、請求項１に記載の方法。 It further comprises the step of receiving information indicating whether or not to apply the protection time to the last repeated transmission of the NPRACH preamble.
If the information indicates that the protection time does not apply to the last repeated transmission of the NPRACH preamble and that the time interval (time gap) is less than the protection time (guard time), then the NPRACH preamble The method of claim 1, wherein the last repeat transmission is not dropped or punctured. 前記情報が、前記ＮＰＲＡＣＨプリアンブルの最後の繰り返し送信に前記保護時間が適用されること、及び、前記時間間隔（ｔｉｍｅ ｇａｐ）が保護時間（ｇｕａｒｄ ｔｉｍｅ）よりも小さいことを指示する場合、前記ＮＰＲＡＣＨプリアンブルの最後の繰り返し送信はドロップされるか、前記保護時間と前記時間間隔との差分だけパンクチャーされる、請求項１３に記載の方法。 If the information indicates that the protection time is applied to the last repeated transmission of the NPRACH preamble and that the time interval (time gap) is less than the protection time (guard time), the NPRACH preamble. 13. The method of claim 13, wherein the last repetitive transmission of is dropped or punctured by the difference between the protection time and the time interval. 無線通信システムにおいて、ランダム接続過程を行う端末であって、
送受信器（ｔｒａｎｓｃｅｉｖｅｒ）と、
前記送受信器に動作可能に接続される（ｏｐｅｒａｔｉｖｅｌｙ ｃｏｎｎｅｃｔｅｄ）プロセッサを含み、前記プロセッサは、
基地局から、ＮＰＲＡＣＨ（Ｎａｒｒｏｗｂａｎｄ Ｐｈｙｓｉｃａｌ Ｒａｎｄｏｍ Ａｃｃｅｓｓ Ｃｈａｎｎｅｌ）プリアンブル繰り返し数を含むＮＰＲＡＣＨ構成情報（ｃｏｎｆｉｇｕｒａｔｉｏｎ ｉｎｆｏｒｍａｔｉｏｎ）を受信し、
前記ＮＢ－ＩｏＴに対して前記ランダム接続過程を実行するように構成され、
前記ランダム接続過程を実行することは、
前記ＮＰＲＡＣＨ構成情報に基づき、ＮＰＲＡＣＨプリアンブルを繰り返し前記基地局へ送信ことと、
前記ＮＰＲＡＣＨプリアンブルに応答してランダム接続応答（ＲＡＲ）を、前記基地局から、受信することを含み、
前記ＮＰＲＡＣＨプリアンブルの最後の繰り返し送信が完了する時と、次のサブフレームとの間の時間間隔（ｔｉｍｅ ｇａｐ）が保護時間（ｇｕｒａｄ ｔｉｍｅ）より短いことに基づいて、前記ＮＰＲＡＣＨプリアンブルの最後の繰り返し送信はドロップされるか、又は、前記保護時間と前記時間間隔の間の差分だけパンクチャー（ｐｕｎｃｔｕｒｅ）される、端末。 A terminal that performs a random connection process in a wireless communication system.
Transceiver and
Includes an fully connected processor that is operably connected to the transmitter / receiver.
Upon receiving the NPRACH configuration information (configuration information) including the number of repeats of the NPRACH (Narrowband Physical Random Access Channel) preamble from the base station, the NPRACH configuration information is received.
It is configured to perform the random connection process for the NB-IoT .
Performing the random connection process is
Repeatedly transmitting the NPRACH preamble to the base station based on the NPRACH configuration information ,
Including receiving a random connection response (RAR) from the base station in response to the NPRACH preamble .
The last repetitive transmission of the NPRACH preamble based on the fact that the time interval (time gap) between the time when the last repetitive transmission of the NPRACH preamble is completed and the next subframe is shorter than the protection time (gurad time). Is a terminal that is either dropped or punctured by the difference between the protection time and the time interval .
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Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108882384B (en) * 2017-05-12 2022-08-02 华硕电脑股份有限公司 Method and apparatus for improved scheduling in a wireless communication system
JP6980899B2 (en) 2017-08-09 2021-12-15 エルジー エレクトロニクス インコーポレイティドLg Electronics Inc. How to perform a random connection process and the equipment for it
BR112020002784A2 (en) * 2017-08-10 2020-07-28 Huawei Technologies Co., Ltd. signal sending method and device and signal receiving method and device
US11039469B2 (en) * 2017-10-09 2021-06-15 Qualcomm Incorporated Different methods for PRACH and PUSCH separation in NR
WO2019241961A1 (en) * 2018-06-21 2019-12-26 华为技术有限公司 Communication method, base station, and terminal
WO2020020335A1 (en) * 2018-07-27 2020-01-30 Oppo广东移动通信有限公司 Random access method and apparatus
US20220225411A1 (en) * 2019-05-03 2022-07-14 Telefonaktiebolaget Lm Ericsson (Publ) Method for accessing a cellular communications network in unlicensed spectrum
CN114616909A (en) * 2019-11-07 2022-06-10 株式会社Ntt都科摩 Terminal device
WO2021108988A1 (en) * 2019-12-03 2021-06-10 Oppo广东移动通信有限公司 Resource conflict handling method and apparatus, terminal and storage medium
US11849488B2 (en) * 2020-06-05 2023-12-19 Qualcomm Incorporated Random access via an alternative frequency resource
US20230224886A1 (en) * 2020-08-07 2023-07-13 Qualcomm Incorporated Gap configuration in wireless communications
CN112272416A (en) * 2020-10-23 2021-01-26 锐迪科（重庆）微电子科技有限公司 Method and equipment for transmitting and receiving PRACH (physical random Access channel)
US11812479B2 (en) 2020-11-06 2023-11-07 Electronics And Telecommunications Research Institute Method and apparatus for random access in communication system
CN114866201B (en) * 2021-01-20 2023-07-25 大唐移动通信设备有限公司 Access transmission method, network side equipment, terminal and storage medium
CN113316260B (en) * 2021-07-29 2021-12-14 广东省新一代通信与网络创新研究院 Data transmission method and device and computer storage medium
CN117693005A (en) * 2022-09-07 2024-03-12 华为技术有限公司 Random access method and communication device

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102665225A (en) * 2007-03-20 2012-09-12 朗讯科技公司 Configurable random access channel structure for range extension in a wireless communication system
US8345804B2 (en) * 2007-06-14 2013-01-01 Alcatel Lucent Simplified RACH preamble detection receiver
US9462612B2 (en) * 2012-06-27 2016-10-04 Lg Electronics Inc. Method and terminal for random access to small cell
CN110048822B (en) * 2013-01-17 2021-12-28 富士通互联科技有限公司 Random access method, device and system
ES2769631T3 (en) * 2013-07-26 2020-06-26 Lg Electronics Inc Signal transmission procedure for MTC and corresponding device
WO2015035650A1 (en) * 2013-09-16 2015-03-19 华为技术有限公司 Method, user equipment, and base station for predetermination of resource in random access
US9661657B2 (en) * 2013-11-27 2017-05-23 Intel Corporation TCP traffic adaptation in wireless systems
KR102391121B1 (en) * 2014-01-29 2022-04-27 인터디지탈 패튼 홀딩스, 인크 Method of access and link adaptation for coverage enhanced wireless transmissions
EP3113569B1 (en) * 2014-03-21 2019-05-08 Huawei Technologies Co., Ltd. Random access response methods and terminal
US9860030B2 (en) * 2015-03-26 2018-01-02 Samsung Electronics Co., Ltd. Transmission of system information for low cost user equipment
CN108141334B (en) * 2015-07-27 2021-08-10 瑞典爱立信有限公司 NB LTE PRACH design
US20190068427A1 (en) * 2016-03-10 2019-02-28 Lg Electronics Inc. Method for performing random access procedure for single tone transmission in wireless comunication system and apparatus therefor
EP3879742B1 (en) * 2016-03-16 2023-05-03 Telefonaktiebolaget LM Ericsson (publ) Narrowband internet of things random access channel configuration design
TWI620461B (en) * 2016-06-17 2018-04-01 財團法人資訊工業策進會 Narrowband internet of things system and preamble transmission method thereof
US10291451B2 (en) * 2016-11-07 2019-05-14 Qualcomm Incorporated PRACH design for larger cell radius
US10798734B2 (en) * 2017-03-28 2020-10-06 Centre Of Excellence In Wireless Technology Method and wireless device for transmitting RACH preamble in wireless communication network

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