JP6402623B2 - 基地局装置及び基地局装置制御方法 - Google Patents
基地局装置及び基地局装置制御方法 Download PDFInfo
- Publication number
- JP6402623B2 JP6402623B2 JP2014266494A JP2014266494A JP6402623B2 JP 6402623 B2 JP6402623 B2 JP 6402623B2 JP 2014266494 A JP2014266494 A JP 2014266494A JP 2014266494 A JP2014266494 A JP 2014266494A JP 6402623 B2 JP6402623 B2 JP 6402623B2
- Authority
- JP
- Japan
- Prior art keywords
- detection
- unit
- prach
- detection threshold
- sir
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims description 68
- 238000001514 detection method Methods 0.000 claims description 490
- 238000005259 measurement Methods 0.000 claims description 115
- 238000004891 communication Methods 0.000 claims description 66
- 230000005540 biological transmission Effects 0.000 claims description 46
- 238000012545 processing Methods 0.000 description 91
- 238000010586 diagram Methods 0.000 description 19
- 238000010295 mobile communication Methods 0.000 description 12
- 238000007796 conventional method Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 108010076504 Protein Sorting Signals Proteins 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- UOJMTSCORVQOHS-UHFFFAOYSA-N pachypodol Natural products COc1cc(ccc1O)C2=C(C)C(=O)c3c(O)cc(C)cc3O2 UOJMTSCORVQOHS-UHFFFAOYSA-N 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000013468 resource allocation Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Images
Classifications
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Description
2 上位ネットワーク
3 無線通信端末
11 送受信共用器
12 RF部
13 ベースバンド処理部
14 上位回線終端部
15 制御部
16 アンテナ
31 ベースバンド受信部
32 上りL2処理部
33 スケジューリング部
34 ベースバンド送信部
35 RACH処理部
36 下りL2処理部
131 帯域FFTデマッピング部
132 PUSCH受信部
133 PUCCH受信部
134 PRACH受信部
301 SIR測定部
302 PRACH検出部
303 PRACH誤検出測定部
304 検出閾値決定部
Claims (4)
- 無線端末装置との通信におけるランダムアクセスチャネルに用いる個別プリアンブルの中で使用されていない個別プリアンブルを用いてSIRを測定するSIR測定部と、
前記SIR測定部により測定された前記SIRを基に誤検出を検知する誤検出検知部と、
前記誤検出検知部により検知された誤検出を基に、予め決められた検出閾値候補毎の誤検出率を算出し、算出した各前記誤検出率を基に前記検出閾値候補の中から検出閾値を決定する検出閾値決定部と、
前記検出閾値決定部により決定された検出閾値を用いてランダムアクセスチャネルの検出を行う検出部と
を備えたことを特徴とする基地局装置。 - 特定の無線端末装置に対して個別プリアンブルを用いて送信された信号の受信結果を基に検出失敗率を算出する検出失敗率算出部をさらに備え、
前記検出閾値決定部は、各前記誤検出率及び前記検出失敗率を基に前記検出閾値を決定する
ことを特徴とする請求項1に記載の基地局装置。 - 前記検出部により前記ランダムアクセスチャネルが検出された場合に、使用されていない個別プリアンブルの中から特定の個別プリアンブルを選択し、選択した前記特定の個別プリアンブルを該ランダムアクセスチャネルの送信元の無線端末装置に対して通知する通知部をさらに備え、
前記検出閾値決定部は、前記通知部により通知された前記特定の個別プリアンブルを用いて前記送信元の無線端末装置から送信された信号のSIRを基に前記誤検出率を算出することを特徴とする請求項1又は2に記載の基地局装置。 - ランダムアクセスチャネルに用いる個別プリアンブルの中で使用されていない個別プリアンブルを用いてSIRを測定し、
測定された前記SIRを基に誤検出を測定し、
測定された誤検出を基に、予め決められた検出閾値候補毎の誤検出率を算出し、
算出した各前記誤検出率を基に前記検出閾値候補の中から検出閾値を決定し、
決定された検出閾値を用いてランダムアクセスチャネルの検出を行う
ことを特徴とする基地局装置制御方法。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014266494A JP6402623B2 (ja) | 2014-12-26 | 2014-12-26 | 基地局装置及び基地局装置制御方法 |
US14/969,371 US10149323B2 (en) | 2014-12-26 | 2015-12-15 | Base station and control method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014266494A JP6402623B2 (ja) | 2014-12-26 | 2014-12-26 | 基地局装置及び基地局装置制御方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016127414A JP2016127414A (ja) | 2016-07-11 |
JP6402623B2 true JP6402623B2 (ja) | 2018-10-10 |
Family
ID=56166022
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014266494A Expired - Fee Related JP6402623B2 (ja) | 2014-12-26 | 2014-12-26 | 基地局装置及び基地局装置制御方法 |
Country Status (2)
Country | Link |
---|---|
US (1) | US10149323B2 (ja) |
JP (1) | JP6402623B2 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108307408B (zh) * | 2017-01-11 | 2023-03-14 | 中兴通讯股份有限公司 | 识别干扰引起虚检的检测方法、装置及基站 |
CN108811155B (zh) * | 2017-05-05 | 2019-11-26 | 华为技术有限公司 | 随机接入方法、网络设备和终端设备 |
FR3089667A1 (fr) * | 2018-12-05 | 2020-06-12 | Orange | Procédé de surveillance de l’utilisation de ressources dans au moins une cellule d’un réseau de communication radio. |
CN113455091A (zh) * | 2019-02-15 | 2021-09-28 | 瑞典爱立信有限公司 | 终端设备、网络设备及其中的方法 |
TWI739349B (zh) * | 2020-03-18 | 2021-09-11 | 瑞昱半導體股份有限公司 | 通訊裝置與動態調整封包偵測閥值的方法 |
WO2024071558A1 (en) * | 2022-09-28 | 2024-04-04 | Samsung Electronics Co., Ltd. | A system and method for cross-layer optimization of uplink detection thresholds |
Family Cites Families (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7590386B2 (en) * | 2002-04-18 | 2009-09-15 | Interdigital Technology Corporation | Method for control of contention-based wireless access |
US8243634B2 (en) * | 2007-03-07 | 2012-08-14 | Telefonaktiebolaget L M Ericsson (Publ) | Random access in time division duplex communication systems |
EP2207290A1 (en) * | 2007-10-30 | 2010-07-14 | NTT DoCoMo, Inc. | Base station device, mobile station, and communication control method |
WO2009105003A1 (en) * | 2008-02-21 | 2009-08-27 | Telefonaktiebolaget Lm Ericsson (Publ) | Adjustment of radio detection level for request signals based observed false detection |
EP2319260A2 (en) * | 2008-08-19 | 2011-05-11 | Shared Spectrum Company | Method and system for dynamic spectrum access using specialty detectors and improved networking |
US9084119B2 (en) * | 2009-01-07 | 2015-07-14 | Qualcomm Incorporated | Carrier reuse in a multicarrier wireless communication environment |
JP2011114716A (ja) * | 2009-11-27 | 2011-06-09 | Fujitsu Ltd | ランダムアクセスチャネル受信装置およびその受信方法 |
CA2786083C (en) * | 2009-12-31 | 2015-08-25 | Huawei Technologies Co., Ltd. | Contention based resource configuration method and apparatus |
CN102714800A (zh) * | 2010-01-12 | 2012-10-03 | 住友电气工业株式会社 | 基站装置 |
US9277540B2 (en) * | 2010-05-12 | 2016-03-01 | Qualcomm Incorporated | System, apparatus and method for control channel configuration in wireless communication systems |
KR101141888B1 (ko) * | 2010-05-24 | 2012-05-03 | 포항공과대학교 산학협력단 | 무선 인지 기술을 기반으로 하는 무선통신 시스템에서 신호의 존재를 검출하는 방법 및 장치 |
EP2624651B1 (en) * | 2010-09-28 | 2019-06-12 | Nec Corporation | Wireless communication system, wireless-resource determination method therefor, communication management device, and control method and control program for said communication management device |
EP2676505A1 (en) * | 2011-02-17 | 2013-12-25 | Telefonaktiebolaget LM Ericsson (PUBL) | User equipment, radio base station and methods therein for transmitting information of an allocation of a radio resource |
CN103444110B (zh) * | 2011-03-25 | 2016-12-28 | 诺基亚通信公司 | 随机接入前导码配置 |
JP2013005299A (ja) * | 2011-06-17 | 2013-01-07 | Fujitsu Ltd | 基地局及び干渉電力測定方法 |
JP2013034149A (ja) * | 2011-08-03 | 2013-02-14 | Sony Corp | 端末装置、通信制御装置、無線通信システム及び通信制御方法 |
WO2013021551A1 (ja) * | 2011-08-05 | 2013-02-14 | パナソニック株式会社 | 送信装置、プリアンブル送信装置及び送信方法 |
WO2013023055A1 (en) * | 2011-08-11 | 2013-02-14 | Interdigital Patent Holdings, Inc. | Fallback to r99 prach |
WO2013040070A1 (en) * | 2011-09-12 | 2013-03-21 | Ntt Docomo, Inc. | Method and apparatus at the physical and link layer for mobile communications |
JP5772433B2 (ja) * | 2011-09-20 | 2015-09-02 | 富士通株式会社 | 無線通信システム、無線通信装置および無線通信方法 |
JP5787776B2 (ja) * | 2012-01-11 | 2015-09-30 | 三菱電機株式会社 | 電波分離装置 |
EP2813023A1 (en) * | 2012-02-10 | 2014-12-17 | Nokia Solutions and Networks Oy | Inter-site carrier aggregation |
JP6050028B2 (ja) * | 2012-05-25 | 2016-12-21 | シャープ株式会社 | 端末、基地局、通信方法及び集積回路 |
US20150181546A1 (en) * | 2012-07-23 | 2015-06-25 | Interdigital Patent Holdings, Inc. | Methods and apparatus for frequency synchronization, power control, and cell configuration for ul-only operation in dss bands |
TWI580235B (zh) * | 2012-09-26 | 2017-04-21 | 內數位專利控股公司 | 在長期發展(lte)系統中操作之方法、系統及裝置 |
WO2014129960A1 (en) * | 2013-02-20 | 2014-08-28 | Telefonaktiebolaget L M Ericsson (Publ) | Methods for configuring and performing ul measurements accounting for low-activity state configuration of the transmitting node |
US9565641B2 (en) * | 2013-07-12 | 2017-02-07 | Sharp Kabushiki Kaisha | Terminal device, method, and integrated circuit |
KR101874727B1 (ko) * | 2013-11-22 | 2018-07-04 | 후아웨이 테크놀러지 컴퍼니 리미티드 | 데이터 송신 방법, 사용자 장비, 및 기지국 |
KR102217075B1 (ko) * | 2014-04-21 | 2021-02-18 | 삼성전자 주식회사 | 무선 통신 시스템에서 랜덤 액세스 방법 및 장치 |
US20160119887A1 (en) * | 2014-10-27 | 2016-04-28 | Freescale Semiconductor, Inc. | Signal processing method for uplink in small cell base station |
-
2014
- 2014-12-26 JP JP2014266494A patent/JP6402623B2/ja not_active Expired - Fee Related
-
2015
- 2015-12-15 US US14/969,371 patent/US10149323B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20160192394A1 (en) | 2016-06-30 |
US10149323B2 (en) | 2018-12-04 |
JP2016127414A (ja) | 2016-07-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6402623B2 (ja) | 基地局装置及び基地局装置制御方法 | |
KR102623199B1 (ko) | 저비용 사용자 장비들을 위한 하향링크 제어 채널들의 전송 | |
JP6740130B2 (ja) | 通信デバイスおよび方法 | |
WO2019120260A1 (zh) | 通信方法和装置 | |
US20160269163A1 (en) | Method and apparatus for improving random access procedure in wireless network | |
JP6732955B2 (ja) | 無線リンク品質の測定方法および端末 | |
EP4048011A1 (en) | Method and apparatus for resource determination, resource configuration, transmitting random access preamble and random access | |
JP4759618B2 (ja) | E−hich送信を検出し復号化するための無線通信方法および装置 | |
EP3499829B1 (en) | Terminal device, base station device, communication method, and integrated circuit | |
US8059605B2 (en) | Apparatus and method for estimating cell load in wireless communication system | |
US10560950B2 (en) | User equipment sending signal directly to user equipment | |
KR20170043539A (ko) | 면허 및 비면허 대역에 대한 통신 | |
GB2470891A (en) | A method of setting the maximum permited downlink power of a base station dependent on the proximity of mobile devices not served by the base station. | |
US9585173B2 (en) | Communications system, communications method, mobile communications terminal, and base station | |
CN115361745A (zh) | 在载波频率中执行基于竞争的随机接入的方法和装置 | |
CN110583088B (zh) | 从多种类型的前导码组中的随机接入前导码选择 | |
EP3952427A1 (en) | Terminal and transmission method | |
WO2018130037A1 (zh) | 识别干扰引起虚检的检测方法、装置及基站 | |
US10432269B2 (en) | Connection failure detection in wireless network based on coordinated multi-cell communication technique | |
CN107994964B (zh) | 信道干扰的感知方法、***、设备、存储介质和基站 | |
US10660116B2 (en) | False scheduling request prevention | |
US10470216B2 (en) | Methods and devices for controlling antenna points | |
KR102214852B1 (ko) | 센싱 기반의 랜덤액세스 방법 및 장치 | |
US20170188261A1 (en) | User equipment, collision reporting method, base station, and resource allocation method | |
WO2019191902A1 (en) | Systems and methods for radio link monitoring |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20171113 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20180809 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20180814 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20180827 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6402623 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
LAPS | Cancellation because of no payment of annual fees |