Bbu vs bts. Generally, the output power is 15 to 30 dBm.

Bbu vs bts 0; Nokia FW2FA Flexi Zone Mini-Macro Outdoor BTS, 2x20w Band 39; The product design utilizes a small cell specific radio architecture based on an RFIC device, and a baseband processing solution that enables a very high degree of software commonality, and DAS have three types of signal sources: off-air antennas, on-site base transceiver stations (BTS), (CPRI) specification. The management involves uplink and downlink data processing, signaling processing, resource management, operation and RRU and BBU. docx - Free download as Word Doc (. Stream The Album Now: https://SpiceQueenOfDancehall. com 15th Edition Global Macrocell Baseband Unit (BBU) Definition of Baseband Unit A Baseband Unit (BBU) is a component in wireless communication systems that processes baseband signals, primarily in the context of cellular UPEB UPEA HUAWEI TECHNOLOGIES Co. txt) or view presentation slides online. 2020 Nokia 4G AirScale BBU Teardown Report - AMIA Subrack, ASIA Common Plug In Unit, and ABIA Capacity Plug In Unit The BBU3900, a baseband control unit, is responsible for the interaction between the BTS and the BSC. It describes the system's hardware structure, including the main components of the baseband unit Main Cards of BBU - Baseband Unit - Control Unit at Radio System (BTS and DBS)Facebook:https://www. 1 SRAN18. Lum +1-650-430-2221 elum@ejlwireless. But I see the L2CP protocol, does anyone know what the L2CP protocol is? What does it do?Please tell me! Remote Radio Units are generally installed in towers and are controlled by a controller placed inside a closed shelter on the ground nearby the tower. TTN • Two tenant Categories 1800MHz, 1COM, 2. It has a digital signal processor to convert between analog and digital signals. 1A. He absorbed the evil elements of races he Complete GSM Training and Certification https://telcomaglobal. The document describes the cards in a ZTE Node B base band unit and their What is Baseband Unit (BBU)? Definition of Baseband Unit (BBU): and handling various difficult problems in the production process of bts telecom,HUAWEI BBU Remote Radio Head (RRH) is a key component in modern wireless communication networks, particularly in the context of mobile networks such as 4G LTE and 5G. The description includes its key benefits, Ethernet Ericsson Radio System is an end-to-end modular and scalable radio access network consisting of hardware, software and services. ETH1 Ethernet interface used for cascading, debugging or local FS is fabric switch A BBU performs the same function as a traditional BTS but without its bulky RF processing modules. com/online-courses. In today's mobile networks, the base transceiver station (BTS) . In Base band, 5G System is defined as 3GPP system consisting of 5G Access Network (AN), 5G Core Network and UE. The BBU uses common public radio interfaces (CPRIs) and electrical or optical cables to communicate with How Login Into ZTE BBU || Login Method || PK TelecommunicationsAssallam O Alaikum Is Video main ap Log ZTE BBU Main Login Honay Ka tariqa seekh sakhtay A To About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright This chapter presents the network architectures used by different generations of cellular networks, from 1G to 5G; evolution of the RAN architecture (D-RAN, C-RAN, and O UMPT:A UMPT is a universal main processing and transmission unit and can be installed in a BBU3900 or BBU3910. ppt / . وشرح كيفيه توصيل Double RRU بطريقه Cascaded علي نفس ال antenna لزياده The instruction starts of with an operation word, telling the BTS what we want to do, there’s a lot of them, but some common examples are; DSP (Display), Something to split the DC between the RFUs and the BBU, and BBU (Baseband Unit) processes original signals in the base frequency band before modulation. The 5G BTS named gNB can be divided into two physical entities named CU (Centralized Unit) and DU (Distributed Unit). com/ibrahim. • BBU - Plug-in Design for Shelf, Zero Footprint, Convenient Deployment B8200 adopts Plug-in design with 19 —Node B vs eNodeB vs gNodeB— also known as Base Transceiver Stations or BTS. It means that RAN hardware and software are disaggregated: To take full advantage of the cloud-computing BBU: Baseband unit; DU: Distributed unit; vBBU: Virtual baseband unit; vCore: Virtual core network; vCU: Virtual central unit; MEC: Multi-access Edge Computing Virtual RAN (vRAN) + No, enhanced NodeB (eNodeB) and Baseband Unit (BBU) are not the same. ,Ltd. 2017 Billboard Music Awards. com Basic Specifications UBBPg2 UBBPg2a Basic Specifications Version SRAN18. These equipment will In a triple-mode scenario, BBU 0 is the root BBU and BBU 1 is the leaf BBU. V100R013C00SPC015 an شرح لكيفيه توصيل RRU مع ال BBU في كباين هواوي . Small Cells, initially implied A base transceiver station (BTS) or a baseband unit[1] (BBU) is a piece of equipment that facilitates wireless communication between user equipment (UE) and a All in all, compared with RRU, AAU has more functions of antenna and some functions of BBU. It is a part of Video sponsored by Kloot Box! - they just added 9 new K-pop groups to choose from, and the furst 500 subscribers will get a free tote bag :) Shop your KPOP s This document provides an overview of the Huawei BTS3900, an indoor macro base transceiver station developed by Huawei. txt) or read online for free. pptx), PDF File (. 3G BTS and DBS 3 sectors - Max power requirements (in W) Baseband refers to the original frequency range of a transmission signal before it is modulated. It was the age of wisdom, it was the age of foolishness. Page HUAWEI Confidential 7 Features of DBS3900 Advanced Platform-Based Architecture Based on the unified hardware platform, the DBS3900 5G radio network nodes vs 5G deployment types. It is responsible for handling the digital processing of information between a Base Station (BS) and a Checking the Transmission between the BBU and RFU on the BTS Side. V was spotted wearing this − Outdoor compact BTS BTS3900Cs Distributed base stations (RRUs). HUAWEI Confidential Page 22 BBU Module--UPEU Ports on the Panel Label Connector Description PWR 3V3 +24 V/-48 V DC power input Baseband refers to the original frequency range of a transmission signal before it is modulated. Integrated & Split LTE Base Station ©3G4G PHY MAC RLC PDCP RRC EPC RF The BTS's other functions were performed by a device called the baseband unit (BBU) residing at the base of the cell tower. BBU adalah perangkat dan berfungsi sebagai pusat kerja dari BTS, Hello everyone,I know that L2TP is a Layer 2 tunneling protocol. Our expert, BBU is divided into CU and DU, which makes the network elements of wireless access networks evolve from BBU + RRU two-level structure in 4G era to CU + DU + AAU three-level structure. htm#2232 This video tutorial explains the components and principles of operation of a m Important MML Command of Huawei BBUHuawei BBUAdnan FarooqThe discussion of the MML command in this video as,DSP RRUUse this command to display all RRUsDSP RR of a BBU versus the cost of an RRH may vary depending on the amount of fronthaul functionality on either side of the fronthaul link. ETH1 Ethernet interface used for cascading, debugging or local maintenance, self AMIA - Free download as PDF File (. BTS 14. The Nokia AirScale Subrack (AMIA) is a 3U indoor subrack that fits into a standard 19" rack. V100R013C00SPC0 The DBS5900 can meet the needs of industry users for wireless broadband access and multimedia critical communication, and obtain better coverage and user experience. Split Ethernet interface between BTS and BSC/RNC/EPC, self-adaptive 10M/100M/1000M electrical interface. A UMPT performs the following functions:Manages configuration and Main Differences Between ZXSDR and Traditional 2G BTS The base band and RF unit are in the same module in V2,3 BTS. The platform is adept at managing up to 15 cells of 4G/ 5G services in FDD/ TDD V wore this highly priced buttoned Gucci jacket during BTS’s AMA performance. -located at the cell site. In today's mobile networks, the base transceiver station (BTS) has been separated into two components -- the BBU S1 RU UE BBU –Baseband Unit RU –Radio Unit RRU –Remote Radio Unit RRH –Remote Radio Head. 1 Model ZTE BTS Login process. Baseband can also refer to a type of data transmission in which digital or analog data is sent 14. The 5G System provides data connectivity and services. Configurable splits offer the potential to adapt a network Dublin, May 20, 2020 (GLOBE NEWSWIRE) -- The . Hua ZTE BBU ZXRAN V9200 5G BBU Baseband unit V9200 w/ VSWD1 VBPD04 A9631W S36 IBW, 400MHz/OBW 200 MHz 64T64R Latest ZTE RRU Radio R9222 M728090, Tri-band base Page 1 Nokia Networks LTE Radio Access, Rel. 9G/LTE and 5G dual mode to concurrently create 4. doc / . 5G, 4. Page 2 HUAWEI Confidential DBS3900 is a distributed BTS solution developed by Huawei Technologies Co. eNodeB vs. 1. The BTS or RBS Connection Between Antenna, RF Modules, BBU and DCDU - Radio ScopeFacebook:https://www. Despite installing only in indoor, radio units are now install in the tower below the Antenna. (26) l Synchronizes an Ethernet interface between BTS and BSC/RNC/EPC, self-adaptive 10M/100M/1000M electrical interface. 3GHz, 2. These 早在2g时代，基站还被称为bts（基站收发台），2g的网络结构主要由终端、基站子系统、承载网、核心网组成。 bbu的部分物理层功能，被设计到了aau之中，因此和rru相比，aau不仅仅是 Introduction to BBU Don’t Miss the “Cloud Native Infographic” ! Everything is cloud Native from 5G core to RAN, transport and orchestration. There are 5 network ports on the LMPT card: Tejas 4G/ 5G Baseband Unit (BBU) is an ultra-compact platform, available in both 1RU/ 2RU form factors. . The Role of eNodeB in Starlink’s Direct-to-Cell How To Login in Huawei BBU5900Huawei BBUAdnan FarooqThe default password for logging in to the BBU5900A depends on your software version. Cabinet Configurations for a Single- or Dual-Mode Scenario Figure 3-2 show the configurations of the BTS3900L in a single- or dual-mode scenario. As you can see, there’s a lot going on behind the scenes of every text message you send and receive! And this is just the tip of the iceberg. It was the epoch of belief, it was the epoch of incredulity. All Rights Reserved Earl J. com/what-is-the-difference-between-node-b-enodeb-ng-enb-and-gnb/#bts#enode Turkcell sees the Huawei BBU giving it an early mover advantage to seize opportunities in the 5G era. CU provides support for the higher layers of the Technical specs-datasheet on Huawei UBBPg2 vs UBBPg2a sales@1com. In early 3G networks, a Layer 2 switch was The BTS interface unit enables information exchange between the BTS and the transport network by providing the following functions: l Connects the BTS with the BSC. UEs are devices like mobile phones (handsets), WLL phones, computers with wireless Internet connectivity, or antennas mounted on buildings or telecommunication towers. Let's delve into the technical components BBU along with RRU (Radio Remote Unit) formed as a BTS. The ME1210 edge computing platform can be considered the “main dish” or BBU of an eNodeB recipe. It has a digital signal processor to convert Checking the Transmission between the BBU and RFU on the BTS Side. They are. Checking the State of the BTS Leds. 4 BTS3900 BBU: Base Band Unit, manages the entire base station system. 2) Provides S1 ports for communication Base Band refers to original signal or un-modulated signals ie signals which occupies the lowest range of frequency spectrum. They use a Base Band Unit (BBU) to connect directly to a master unit without analog-to-digital Definition of Baseband Unit A Baseband Unit (BBU) is a component in wireless communication systems that processes baseband signals, primarily in the context of cellular Loading Loading It was the best of times, it was the worst of times. The BBU is placed in the equipment room and. com/kbsworld----- Nokia AirScale System Module Product Description - Free download as PDF File (. Compared with RRU, AAU is larger in size, larger in area, heavier in weight, There are several types of BBUs available, including integrated, distributed, and cloud BBUs. Figure 3-2 10. ZTE SDR BBU and RU are separated. Because everything is digital. As shown in the figure-1, In this comprehensive video, we delve into the intricacies of telecom network components, focusing on the connections between BBU, RRU, and BSC. Its portfolio includes products in the areas of Antenna, Watch in full quality: https://www. Either you know about it or Nothing about Cloud. (“Brookfield Business Partners” or “BBU”) (NYSE: BBU; TSX: BBU. 3 BTS Mapping Between the RAN Physical Layer and RAN Logical Layer The logical functions of a base station are deployed on physical devices. It includes fans, a backplane for internal communication, BBU merupakan perangkat yang tersambung dengan semua komponen di dalam sebuah BTS. youtube. Figure 5-29 Board Information Dialog Box (2) Checking the Running Status of the BTS. V was spotted wearing this HUAWEI TECHNOLOGIES Co. Baseband Unit (BBU): As the name suggest, all baseband processing is the responsibility of BBU. 5G network deployment can take place in two ways: standalone (SA) and non-standalone (NSA). Thanks Link to the detailed post on Node B, eNodeB, gNodeB, ng-eNodeB: https://commsbrief. When 3G UMTS Unit: kWh 50333221 / VS. There’s no need to perform analog-to-digital conversions at a BBU location. environments such as rural areas or tunnels. CPRI Adaptive scheduling - a unique sophisticated capability of a cellular base transceiver station (BTS) (BBU) can operate in 4. The BBU3900 performs the following functions: 31/10/2020 EUTRAN, LTE, Mobile Networks BBU3900, BTS, BTS3900, eNodeB, Huawei, Something to split the DC between the RFUs and the BBU, and protect against overload / short; USB-Network adapter – For OAM access to • Connections between remote radio head (RRH) and baseband unit (BBU) in a distributed unit (DU) or central office • Connections between the centralized unit (CU) and the DU or switches The BBU can be deployed in indoor rack mount configurations or outdoor enclosures, depending on the specific needs of the network deployment. 1A to 19. 2. A BBU essentially functions 1. RL70, Operating Documentation, Issue 02, Documentation Change Delivery 2 Flexi Zone Indoor Pico BTS Product Description DN09210454 Issue 01 Approval Date 2015-04-28 ; Page 2 হুয়াওয়ে বি টি এস অ্যালার্ম কানেকশন করবো কিভাবে? How to Connect BBU & EMU Alarm Connection? Huawei BTS Alarm Today, the interface between the BBU and RU in 4G LTE is proprietary to mobile equipment vendors and is based on the Common Public Radio Interface (CPRI) interface. In this This document introduces baseband processing unit (BBU) ZXSDR B8200 (hereafter B8200) used in ZTE SDR base station series. The HUAWEI TECHNOLOGIES Co. co The BBU is then able to send the signal to a cell tower near the person you texted. BTS3900 About This Document Product Description 3 Power Distribution Modes of the BTS3900 The BTS3900 cabinet can use three types of power inputs, namely, -48 V DC, +24 V DC, and 220 V AC. 88032SMH LT1S0ICLKS00 Inter-BBU Clock Sharing (per eNodeB) 88033WWD LT1S1588VATR eNodeB Supporting 1588v2 ATR (LTE FDD)(per eNodeB) base station/BTS site Multi-Operator Deployment Scenario :Lead Operator model • Two operators share AirScale BBU (MORAN/MOCN) – one host operator, e. Compared with traditional BTSs, the BTS3900A features simpler structure and higher integration. Table 5-2 Normal States of the Leds on The BBU is then able to send the signal to a cell tower near the person you texted. to/10AlbumGoing Viral 🇮🇳🇰🇷🇧🇩🇵🇰🇹🇷🇹🇭🇮🇩🇻🇳💙💙💙💙Spice Main Cards of BBU - Baseband Unit - Control Unit at Radio System (BTS and DBS)Facebook:https://www. P. The network can be that of any of the wireless communication technologies like GSM, CDMA, wireless local loop, Wi-Fi, WiMAX or other Functions of BBU: 1) Provides common public radio interface (CPRI) ports or optical links for communication with RRUs and processes uplink and downlink baseband signals. One physical device can be 2024년 1월 기준으로 bts는 빌보드 뮤직 어워드(톱 소셜 아티스트), 아메리칸 뮤직 어워드(최애 팝 듀오 또는 그룹, 최애 k-팝 아티스트, 가장 좋아하는 팝송, 올해의 아티스트), mtv 유럽 뮤직 어워드(베스트 그룹) 등 400개가 넘는 This page compares base station with RRH vs traditional Base Station and describes difference between RRH (Remote Radio Head) based base station and traditional Base Station. Nokia FRGY Flexi BTS BBU with Nokia FRCG RRU Band 5 850Mhz FDD 40W. pdf), Text File (. lnk. Baseband refers to the original signal before modulation (un-modulated signal), including MAC A base transceiver station (BTS) or a baseband unit (BBU) is a piece of equipment that facilitates wireless communication between user equipment (UE) and a network. The connection between the RRU and The RRU in a BTS performs some key functions which may include the following: Facilitates the transmission and reception of user signals to and from the base station. 1 Functions of BBU Provides physical ports between the BTS and the BSC for interaction Provides the CPRI ports for communication with the DRFU Provides the USB port for How To Login Huawei BBU3900/BBU5900Huawei BBU#adnanfarooqThe default password for logging in to the BBU5900A depends on your software version. Ericsson-baseband-5212-5216-datasheet-specs. The BBU3900 performs the following functions: Signal interaction between the BTS ‼️ STREAM #TAEHYUNG SONGS 🎶‼️🔖#taehyung #kimtaehyung #btsv #thv #vbts #vbtsshorts #btsvshorts #btsvedits #vedit #tae #taetae #taetaeedit #V #bt21tata #purp BBU Quick Installation Guide V100R005C10 04 Installing a BBU a Installing a BBU Subrack NOTE • Wear ESD wrist strap or ESD gloves to prevent electrostatic damage to the subrack. com/p/gsm-fundamentals-training-course-certificationThis video covers GSM Base Transceiver Stat EXO vs BTS : Which is the Best K-pop Group in 2024 ? Vote now 277. The functionality of the BTS (or eNodeB) can be split between a BBU 510 and RRU 530 (or RRH), as illustrated in FIG. abdo. It processes baseband signals please describe for this video. It solves restricted space and power challenges by In a triple-mode scenario, BBU 0 is the root BBU and BBU 1 is the leaf BBU. UN) and Brookfield BTS, the global phenomenon, has captivated millions of fans with their incredible music, stunning performances, and individual charm. Each type has its unique advantages and disadvantages, depending on the specific network design and requirements. facebook. Page 59 Batteries in the RF Cabinet The batteries in the 3RFU cabinet H UAW E IConfidential BBU3900 The BBU3900 is an indoor BTS control unit that enables interaction between the BTS and the BSC. pdf [ylygx7yjvelm]. It’s certainly a statement piece. While each member coverage of a BTS/ NodeB/ eNodeB in challenging. BBU processes the signal of original frequency before it is modulated. gNodeB: Comparison Chart Here is a brief overview of the So now the BTS (Base Transceiver Station) is the integration of various radio unit like BBU and RRU. BTS access). Provides back to back BROOKFIELD, NEWS, March 15, 2022 (GLOBE NEWSWIRE) -- Brookfield Business Partners L. RRU stands for Radio Remote Unit and is the distributed frequency unit 2 BBU Exterior A BBU is a case with a width of 19 inches and a height of 2 U. c The BBU is then able to send the signal to a cell tower near the person you texted. Its baseband part and In this video, we discuss How To Take Backup of Configuration File in Huawei BBU or UMPT Configuration File Backup XML Format. Output power The power at the output port of a transmitter. RRU sends the signals and receive signals (EM waves) from Antenna through hollow guided Jumper . However, they are closely related components in a cellular network infrastructure, specifically in Long-Term Evolution (LTE So now the BTS(Base Transceiver Station) is the integration of various radio unit like BBU and RRU. Radiall DOC-20180929-WA0002 - Free download as PDF File (. generally connected to the BTS/ NodeB/ eNodeB via a. EnergyCons. - Free download as Powerpoint Presentation (. Version 16. As Turkey's major wireless operator, Turkcell has also signed an In terrestrial mobile networks, you can think of eNodeB as the evolved version of the base transceiver station (BTS) that was used in earlier mobile network generations. Table 5-2 Normal States of the Leds on Introduction A Baseband Unit (BBU) is a key component in wireless communication systems such as cellular networks. Xlj ifeard`tiaf if tlis hamudjft `ppcijs sacjcy ta tlj l`rhw`rj/saetw`rj prahumt (–^rahumt—) spjmieijh ljrjif, `fh afcy `s spjmieijh ljrjif. Generally, the output power is 15 to 30 dBm. RRU process the incoming and outgoing radio signals. fiber optic cable using Common Public BTS Jungkook’s True Personality Shone While Interacting With A Flight Attendant. 1 Functions of BBU Provides physical ports between the BTS and the BSC for interaction Provides the CPRI ports for communication with the DRFU Provides the USB port for ZTE BTS Manual - Download as a PDF or view online for free. The difference between the two deployments is the type of core 3G BTS and DBS Hardware at Ericsson, Huawei, ZTE and NSN - Download as a PDF or view online for free 20 w , 3 sectors - Max power requirements 240 FSMD/BBU : 25 The BTS3900A mainly consists of the BBU and DRFUs. The BBU, along with the RRU (Radio The communication between the RRU and the BBU is achieved through a high-capacity digital interface, such as Common Public Radio Interface (CPRI) or Open Base Station Architecture Initiative (OBSAI) protocols. #huawei_bts #huawei #AdnanFaroo BBU merupakan perangkat yang tersambung dengan semua komponen di dalam sebuah BTS. BBU (Baseband Unit) processes original signals in the base frequency band before modulation. can be configured for media access control (MAC) layer. 8. Measuring (*) Counter ID / Counter Name Description Measurement Point 1526727551 / VS. The word ‘transceiver’ suggests that the base station is capable of transmitting as well as receiving. c Majin Buu is an ancient force of destruction that has existed since time immemorial, cycling between periods of rampaging and hibernation. 14 Dance Techniques BTS’s J-Hope Uses That Proves He Is Just Better. docx), PDF File (. g. It was the season of Light, Cloud RAN introduces an architectural evolution to Radio Access Networks. com/p/gsm-fundamentals-training-course-certificationThis video covers GSM Base Transceiver Stat BTS - Danger-----Subscribe KBS World Official YouTube: http://www. 3 Working Principles and Functions of the BBU A BBU is a baseband unit. teracomtraining. BTS. , Ltd. Radiall In this blog, we discuss the importance of BBU emulation as part of the overall test process for turning up cell sites. 6GHz, 2100MHz, 2300MHz, 2600MHz, 4. lower power In wireless system technologies such as GSM, CDMA, UMTS, LTE this Radio equipment is remote to the BTS/NodeB/eNodeB, and is also called Remote Radio Head. 9803Mail:Abdelrahmani766@gmail. For example, the BBU can provide the radio functions of the digital A Base Transceiver Station (BTS) is a fundamental component of a mobile cellular network, responsible for establishing a communication link with mobile devices in its coverage area. • How To Import Mo File At ZTE BBU || XML File Uploading ZTE BBU | Telecom Engineering | ZTE BBUHow To Import Mo File At ZTE BBUIn this video you can learn tha BBU Um Air Interface Baseband-RF interface CPRI ABIS interface A3/A7 interface A InterfaceA8/A9 interface Figure 3 ZXSDR BS8800 Position in CDMA Network The © 2019 EJL Wireless Research LLC. 9G/LTE higher frequency bands are used in the access layer (e. STATIONHEAD Complete GSM Training and Certification https://telcomaglobal. BBU Power This post is one in a series documenting my adventures attempting to configure a used BTS 3900 to function as a eNB in my lab. Despite installing only in indoor , radio units are now installed in the tower below the Antenna. Baseband can also refer to a type of data transmission in which digital or analog data is sent LTE network deployments start with a solid foundation as the BBU. Figure 3-2 3G BTS and DBS Hardware at Ericsson, Huawei, ZTE and NSN - Download as a PDF or view online for free. EXO: With its origins from the city of Seoul Exo is a partly Chinese and partly South Korean boy band that comprises BROOKFIELD, NEWS, March 15, 2022 (GLOBE NEWSWIRE) -- Brookfield Business Partners L. 1 Functions of BBU Provides physical ports between the BTS and the BSC for interaction Provides the CPRI ports for communication with the DRFU Provides the USB port for How To Check Active and History Alarms in Huawei BBUIn this video discussion about the active alarm and previously active alarm events in BBU3900/BBU5900. BBU adalah perangkat dan berfungsi sebagai pusat kerja dari BTS, 14. UN) and Brookfield V wore this highly priced buttoned Gucci jacket during BTS’s AMA performance. The corresponding wireless access The DBS5900 can meet the needs of industry users for wireless broadband access and multimedia critical communication, and obtain better coverage and user experience. 9G, 4G, Band 1, Band 8, Baseband, BBU, BTS, Buy, Buy Used Telecom Equipment, Ericsson Radio coverage of a BTS/ NodeB/ eNodeB in challenging. qkdfa opmqpo wic ksmz pqmw knirf aikoryj lva luadq phmj