This document provides multiple network optimization methods and related cases to guide WLAN maintenance engineers through WLAN optimization. 4 UWB Concepts. Dengan memposisikan routers di tempat yang strategis, maka jangkauan wifi juga akan lebih maksimal. • Helps improve data rate in Up/Down if both AP and STA support Short GI. Beacon Interval - Sets the amount of time between beacon transmissions in milliseconds. By using different SCS in 5G NR, different slot durations and TTIs are configurable. UWB devices operate in license-free. Wi-Fi 6 can carry more more data to one device. Meant to replace both 802. If it's set to any, it defaults to 400ns for compatible clients. 11n guard interval is the period in nanoseconds between packets. fc. TWT is a power-saving technology that allows an AP and client to negotiate when and how long a client can put its wireless radio into power-save mode. 11ac物理层帧结构时，协议设计者会列出新的成帧需求。Disclosed are a method and a device for transmitting and receiving a frame using a short guard interval. Higher performance with high-order modulation. 11n (5 GHz or 2. If you are constantly getting disconnects then it might be a faulty router or an issue with overlapping. The goal is. TDMA (time division multiple access) is a technology used in digital cellular telephone communication that divides each cellular channel into three time slots in order to increase the amount of data that can be carried. A data frame, or simply called a “ frame ” is a package of data exchanged between wireless devices. Short guard interval time is 400ns, which is half of what it was previously. Nah, selanjutnya, tekan login. The 802. When the delays are small. of inserting between symbols a small time interval known as a guard interval (GI). since 802. Long Symbol Duration and Guard Interval A key characteristic of WiFi 6 is the narrower subcarrier spacing (78. MCS 9 is not allowed for 20MHz BW. 4G - your settings may vary. Using the short guard interval, the symbol length becomes 3. ap (config-if)#guard-interval long. 11n, short guard intervals are possible. 11n guard interval: Long (I can select Short but I thought to minimize interference and have it on Long). VLAN TRUNK Tugas 10-KJ-UINK-10651033. Ensure to keep at least 6 dB lower value on 2. 802. 11 Network | Purpose. When Short GI is enabled, the guard interval will be set as 400ns and this function will boost the performance about 11%. 4GHz, tendrás peor rendimiento ;. When the wireless radio is configured for 802. 11a/n /ac or 802. Short GI = good, association and signal is robust, so wireless frames use a shorter interval spacing to save time on the channel, thus increasing throughput. 1 ความเร็First, turn on WMM. MCS = higher is better. 11a/g的GI时长为800ns，而Short GI时长为400ns，在使用Short GI的情况下，可提高10%的速率。 另外，Short GI与带宽无关，支持20MHz、40MHz带宽。 保护间隔（Short Guard Interval)：是OFDM符号中用于减少符号间干扰的时间。There are three modes of wfb_rx: Local receiver -- I. 11ac data rates . 1 summarizes the most recent records for high SE multicarrier transmission. The receiver is typically configured to discard the cyclic prefix samples, but the cyclic prefix serves two purposes: It provides a guard interval to eliminate intersymbol interference from the previous symbol. Next thing is disable fat channels and short guard interval. 4 GHz than 5 GHz band to make 5 GHz signal stronger than 2. 125 KHz, compared to 312. Using personal security mode for your. ) tackle delay spread by adding a cyclic prefix (CP) before the start of the OFDM symbol. MCS = higher is better. It will build upon 802. Beginning in privileged EXEC mode, follow these steps to set the 802. 800 ns short guard interval. When Short GI is enabled, the guard interval will be set as 400ns and this function will boost the performance about 11%. 11n added optional support for a shorter 0. 11n: A Survival Guide的第三章 。 2. Setting the 802. The 802. Wi-Fi 6. Received signal for CP-OFDM, ZP-OFDM and KSP-OFDM. To enable SGI, you must enable WMM in both the wireless access point and the router. 6, or 3. 11 guard interval The standard symbol guard interval used in IEEE 802. The available channels depend on which IEEE wireless protocol you selected in Band. Do not mess around with setting you do not full understand. uploading content. 4. Short guard intervals are possible with 802. Short Inter-frame Spacing (SIFS), is the time interval required by a wireless device in between receiving a frame and responding to the frame. Overview. The guard interval is at a very basic level. Guard Interval. Top. OFDM. Enclose each property name in quotation marks. Example: Device (config)# ap dot11 5ghz dot11n rifs rx: Configures the Reduced Interframe Space (RIFS) for the network. VHTBandwidth. 11n and 802. 1. 802. Bandwidth is the key here. 4) Alternatively, if your setup has all latest. I forgot to mention enabling long preamble, which really helps with mobile wifi clients as they spin up from low radio power modes. 802. Systems, methods, and other embodiments associated with a single stream wireless communication with a greenfield preamble that uses a short guard interval are described. In order to dissect the Guard Interval it is important to think of the signal transmissions from the viewpoint of the Time domain rather than the frequency domain. Every new 802. Other: User entered Guard Interval values between 0 to 1. With the internet connection you have you can max it out by using single stream with a 40MHz wide channel short guard interval enabled since that goes up to 150Mbps. Symbols are what carry the bits (0s and 1s). 11a/g 所做的改进。 射频芯片在使用 OFDM 调制方式发送数据时，整个帧是被划分成不同的数据块进行发送的，为了数据传输的可靠性，数据块之间会有 GI ，用以保证接收侧能够正确的解析出各个数据块。 GI，即Guard Interval，中文叫保护间隔。 射频芯片在使用OFDM调制方式发送数据时，整个帧是被划分成不同的数据块进行发送的，为了数据传输的可靠性，数据块之间会有GI，用以保证接收侧能够正确的解析出各个数据块。 802. 11 {a | b} 11nsupport guard_interval {any | long} Configure the Reduced Interframe Space (RIFS) for the network by entering this command: config 802. Wi-Fi 6 isn’t faster than Wi-Fi 5. To increase data rate, 802. In the past few years, there have been impressive advances in experimental demonstrations of high SE multicarrier transmission employing narrow frequency guard interval and higher-order modulation format [20,71,76–78]. Guard Interval เป็นห้วงเวลาที่ป้องกัน Packet ของข้อมูลชนกันเอง ซึ่งจะมีสองแบบ คือ Short 400 และ Long 800 ns. 11n dan TDMA. Another optional feature is using a shorter guard interval. Occasional Visitor. Enable/disable WiFi multimedia (WMM) call admission control to optimize WiFi bandwidth use for VoIP calls. Figure 4. # wireless client association limit 50 interval 1000:. 4 GHz ISM band using signalling rates up to 54 Mbit/s. However for office environments, having a Short Guard Interval (SGI), which lowers the interval to 400ns, can give you an increased data rate of 11%. 11ax is no exception. VIP Options. 11n standard amendment was the introduction. 11b/g/n > Network to open the Global Parameters page. 400 Mbps (two spatial streams at 40 MHz short guard interval) This is a full third faster than the comparable 802. Beacon Interval: Beacon Interval berarti periode waktu antara satu suar dan yang berikutnya. Why ROS doesn't support short GI? Currently "long" is. Figure 33: 800 nanosecond GI (long guard interval) Long Guard Interval – 802. By reducing the overhead of extra idle time between transmissions of two successive symbols, SGI helps to enhance the average system throughput, compared to the. 2 µs. ohara Member Posts: 387 Joined: Mon Jun 13, 2011 9:30 pm Location: Warsaw. Enable or disable use of short guard interval (400 ns) in 40 MHz mode of operation. subtype == 2) Here is what you see in the packet capture: Two information fields are very interesting:Learn how to create a FortiAP profile to configure the radio and network settings of your FortiAP devices. 11ac had. 2,493. Guard Interval เป็นห้วงเวลาที่ป้องกัน Packet ของข้อมูลชนกันเอง ซึ่งจะมีสองแบบ คือ Short 400 และ Long 800 ns (นาโนวินาที) โดยแบบ Short 400 ns จะสามารถใช้งานได้. Guard Interval (GI) refers to the amount of time in between the transmission of frames. These data rates, which are calculated for a 20-MHz channel width using a short guard interval, are available: 0 (7 Mbps) 1 (14 Mbps) 2 (21 Mbps). 27,538. and a short guard interval. 11b/g used a longer guard interval than 802. • Enable Short GI - It is recommended to enable this function, for it will increase the data capacity by reducing the guard interval time. 11n) to open the 802. guard time. In most of the cases clients negotiate with SGI-False (LGI) flag. An entire OFDM symbol, as used in Wi-Fi on standard width channels, requires four. 11 standard includes the RTS (Request to Send) threshold function to control station access to the medium. 11n standard specifies two guard intervals: 400 ns (short) and 800 ns (long). With outdoor Wi-Fi, the guard interval needs to be increased to compensate for extended or distant reflections. Introduction; 8 Introduction 9 About NETGEAR Insight 9 About netgear insight 9 Additional documentation 10 2. NOTE: The short frame is only available when the specified wireless mode includes 802. MAC Improvements In normal 802. 802. 11a/b/g requires guard interval (GI) to be 800 ns. Hence wifi signal becomes more robust for outdoor applications. About This Document. it enables the support of a short guard interval for the first station. Mode. These parameters are presented in Figure 5, which provides a simple equation to calculate the physical layer data rate. Short is ideal, but I'd imagine most people need to use Long, again, unless you have your AP's very close to the SS devices they're connected to. GI模式配置为short <AC> system-view [AC] wlan [AC-wlan-view] radio-5g-profile name default [AC-wlan-radio-5g-prof-default] guard-interval-mode short: 无线信号在空间传输会因多径等因素在接收侧形成时延，若数据帧之间间隔太短，容易和前后的数据帧形成干扰，而GI就是用来规避这个干扰的。Short GI: disabled – Short Guard Interval decreases the time between data characters being sent wirelessly. 11n mode allows for a reduction in this guard interval from the a and g definition of 800 nanoseconds to 400 nanoseconds. 900 Mbps (two spatial streams at 80 MHz, short guard interval) Technically, it’s only 867 Mbps, but it’s nicer to round up and get that much closer to 1 Gbps. 11 operation, the guard interval is 800 ns. However, for office environments, having a Short Guard Interval (SGI), which lowers the interval to 400ns, can give you an increased data rate of 11%. You should be able to change that by setting up steering on your AP/WiFi router. First you should never play games on wifi in the first place if you care about good performance. 4µs). The duration of the CP is pre. At runtime, the calling function validates object settings for properties. 11 • Proliferation in the number of devices that use WiFi today: smartphones, tablets, digital cameras, video-game consoles, TVs, etc • Devices connect to the internet via wireless network access point (AP)In various embodiments, the disclosure describes the design of guard interval sequence for 3 types of guard intervals having lengths that can be classified as short, medium, and long. The slower Wi-Fi devices can be slow from either long physical distance, weak signal strength, or simply being a. 4. If the symbol waveform is extended periodically. View client’s signal strength detected by the AP on GWN web GUI under -> -> , and check user RSSI level. 2. OFDM, OFDMA. If you would use mixed mode, always make sure these are disabled, as these features were designed to be used with 802. It’s generally recommended that you maintain a short GI. The. 802. 11, the channel bandwidth was 20MHz with later amendments adding support for 5 and 10MHz bandwidths. At the receiver,. 11n/g/b, and 5GHz 802. 64 QAM. 11n in its Draft 2 form in June 2007. 802. In an optimal radio environment that could increase throughput but in less than optimal conditions it will instead lead to errors, retransmissions, instability and decreased performance. The 802. 2,501. Default value for guard interval in 802. Step 1 : Choose Wireless > 802. VHT Guard Interval. 5kbps. Deployments in the last couple of years are more likely to enable a short guard interval on 2. MenuChoose Wireless > 802. cfgHT = wlanHTConfig(Name,Value) sets properties using one or more name-value pairs. 11n, interval penjaga telah dikurangi dari 800 ns menjadi 400 ns untuk meningkatkan throughput. 11ac). Select the Symbol interval (with guard interval) for the HE-LTF field. The Other selection inputs a non-standard Guard Interval value between 0 and 1. Frequency Modulation. For example, wlanVHTConfig('GuardInterval','Short') specifies a 400-nanosecond guard interval (cyclic prefix) duration. Choose Wireless > Advanced Settings. This option will allow us to wait less time to check if there is someone transferring on the network. 802. Wi-Fi 6. 5G has bigger slot widths but. Yes, it should be 50-60 MB/s as shown on windows explorer speed. 11g/n devices are present. Request PDF | On Feb 1, 2011, Xiang Liu and others published 448-Gb/s reduced-guard-interval CO-OFDM transmission over 2000 km of ultra-large-area fiber and five 80-GHz-grid ROADMs | Find, read. (with short/long guard interval (GI)), 1 MHz channel bandwidth. 1 、 GI 的作用. Specified period of time used to separate transmissions so that they do not interfere with each other. #1. 11a/n /ac or 802. Wi-Fi beacons consume airtime and erode the capacity of your network. This should only be a temporary configuration change. <AC> system-view [AC] wlan [AC-wlan-view] radio-5g-profile name default [AC-wlan-radio-5g-prof-default] guard-interval-mode short: During spatial propagation, latency is generated on radio signals at the receive end because of multipath. Below are some reference values: Level (dBm) Between -80 and -70. 11g, 802. Di IEEE 802. In this case study, we apply a formal approach to compute optimal safe guard times, i. Guard Interval. Klik ApplyA short preamble improves throughput performance. 11ax delivers a 25% improvement over 802. 8µs) and short GI (0. Adjust channel bandwidth. ap (config-if)#end. -ให้ปรับ 11n guard interval เปลี่ยนจาก Long >>>short แล้วเซฟ เราก็จะได้สปีดการเชื่อมต่อ WiFi ที่ 150 mbps หรือ 300 mbps (MIMO) ขอให้โชคดีครับGuard Interval For outdoor devices, Max WiFi allows data to be sent using a longer guard interval with only minimal impact on efficiency, providing extra protection against inter-symbol interference caused by multipath delay spread as the data moves longer distances. VLAN TRUNK Tugas 10-KJ-UINK-10651033. Thus, for different circumstances a wireless communication device can choose to transmit communications with either a short or long guard interval. Figure 1-2 High-density and high-bandwidth scenarios. Nv2 wireless protocol supports short guard interval. Number of extension spatial streams: only 0 is supported. 1. From 802. Menambah Konsumsi Daya Baterai. That interval can be reduced to 400ns by turning on SGI. 125,640. 11a/g的GI时长为800ns，而Short GI时长为400ns，在使用Short GI的情况下，可提高10%的速率。 另外，Short GI与带宽无关，支持20MHz、40MHz带宽。 保护间隔（Short Guard Interval)：是OFDM符号中用于减少符号间干扰的时间。 There are three modes of wfb_rx: Local receiver -- I. 11b 11nSupport. On the other hand. 6 microseconds, and 3. The default interval is 100 milliseconds. "Short" and "Long" training symbols. The invention relates to a switching method for a long guard interval and a short guard interval and a module thereof. RE: Short Guard Interval - 20MHz. 802. Two settings are available: short (400ns) and long (800ns). A shorter DTIM interval could theoretically make your wireless devices use up their batteries faster, because they'd have to wake up more often for multicasts. 4GHz como para la banda de 5GHz. WPS (Wi-Fi Protected Setup) can help you to quickly and securely connect to a network. 400msec - short guard interval. IEEE802. WiFi-5 supports maximum data rate of 6. I recently got a Unifi system, thinking they would be customization since it's enterprise, but there is no way to adjust advanced wireless settings such as "Frame aggregation", "Preamble Length", and "Short Guard Interval". 在接收和发送数据的过程中或者是多次传输的过程中，由于无线信号在空间传输存在多径干扰，设置间隔时间可以降低干扰影响，这个间隔时间称为Guard Interval，简称GI。. When short guard interval is used (400ns GI), a subcarrier carries 312. Support of the 400ns GI is optional for transmitting and receive. Você vai mexer com ajustes wifi de sincronização, de transmissão de pacotes, semáforos, e outras configurações de ajustes avançados do sinal Wi-fi. Since you asked, the guard interval is the tiny amount of time (like 400 nanoseconds) that the transmitter waits between sending one "symbol" (think, "one indivisible group of up to. Dan berikut cara mempersempit / memperkecil jaringan wifi Indihome. 11n-2. 11b/g Wireless Settings. Devices that take advantage of the phase 2 parameters (8 spatial streams, 160 MHz of bandwidth and 256-QAM 5/6 with a short guard interval) can achieve almost 7 Gbps. Long Guard Interval Controls on SmartZone Greg_WiGuy. This is kind of half right. 11nsupport guard_interval {any | long} Configure the Reduced Interframe Space (RIFS). Soft Perfect Wi-Fi Guard is a network scanner that allows you to monitor your home Wi-Fi network and find criminals who have illegally connected to it. Table of Content. The Other selection allows the input of a non-standard Guard Interval value between 0 and 1. run short unless you are seeing issues, or even better, try both and see what effects it has on your network. 802. Short GI NSYM Disambiguation — A bit that indicates if an extra symbol is required when the short GI is used. Gartner Glossary Information Technology Glossary G Guard Interval. This can improve outdoor Wi-Fi throughput for these devices by 50%. In an optimal radio environment that could increase throughput but in less than optimal conditions it will instead lead to errors, retransmissions, instability and decreased performance. For 802. Short GI for 80 (1 bit) and Short GI for 160 & 80+80 (1 bit) These fields are each set to 1 if the transmitter can receive frames transmitted using the short guard interval with the indicated channel bandwidth. kelompok 4. The purpose of a guard interval is to introduce immunity to propagation delays, echoes, and reflections to which digital data is normally very sensitive. If you use 40 MHz channel the max data rate will be 270 Mbps and 300 Mbps for long and short guard interval respectively. 11n/ac, where the value of the guard interval is set to 400ns instead of general 800ns. 11ac was primarily about Very High Throughput However, Wi-Fi 5 has these limitations… 1. Otherwise said, you should set a relatively short amount of time between the transmission of. You cannot configure this in Dashboard. In IEEE 802. 11a, the only selection is a Guard Interval of 1/4 (1/8 is greyed). TWT is a power-saving technology that allows an AP and client to negotiate when and how long a client can put its wireless radio into power-save mode. Wireless Reliability - Guard Intervals. A data frame, or simply called a “ frame ” is a package of data exchanged between. What is the 11n guard interval? Intersymbol interference, also known as ISI, is eliminated by the guard interval. Beginning with the introduction of IEEE 802. . MCS: SU MCS/MU. orange pi voron. SGI lowers the interval to 400ns, and you will notice a significant boost in your data rate. When to use short GI? When intending to improve the throughput, enable short GI can improve the throughput about 10% . 802. WPS (Wi-Fi Protected Setup) can help you to quickly and securely connect to a network. 2. The. The switching method comprises the following steps of: receiving first data symbols which comprise a cyclic prefix and valid data; generating second data symbols according to the cyclic prefix, wherein the second data symbols comprise. It can be cut down properly to shorten the interval between two frames when the delays are small. Masukkan URL admin Indihome 192. You need this mode if your wifi cards connected to multiple hosts. Overview. ap (config-if)#interface dot11radio0. 4Ghz any to allow either short or long guard interval. According to one embodiment, a wireless communication device includes a receiver configured to receive an orthogonal frequency-division multiplexing (OFDM) signal. 11n-2. Enabling a short guard interval can decrease network overhead by reducing unnecessary idle time on each AP. Nilai default adalah 100 (unit adalah milidetik, atau 1/1000 detik). Spatial Streams VHT MCS Index Modulation Coding Rate 20 MHz Data Rates (Mb/s) 40 MHz Data Rates (Mb/s) 80 MHz Data Rates (Mb/s) 160 MHz / 80+80 MHz Data Rates. 11€{a€|€b}11nsupport guard-interval€{any€|€long} Sniffer Tools Wireless Sniffing with a Mac with OS X 10. #2. 802. Increase the signaling interval or «Beacon Interval«. protected by a Guard Interval (short or long)* Note: The wider the channel, the more sub-channels available however, range is reduced because the same amount of poweris now spread across wider spectrum–so receiver has to work harder to hear the weaker signal. Previous. Wi-Fi beacons are relatively short, regular transmissions from access points (APs) with a purpose to inform user devices (clients) about available Wi-Fi services and near-by access points. Jangka waktu yang ditentukan digunakan untuk memisahkan transmisi sehingga tidak saling mengganggu. We would like to show you a description here but the site won’t allow us. 25 KHz for 802. Enable/disable WiFi multimedia (WMM) call admission control to optimize WiFi bandwidth use for VoIP calls. การพิจารณาออกแบบ Wireless LAN (6) ทางเลือกสำหรับมาตรฐานต่างๆ การใช้งาน Guard Interval Guard Interval ซึ่งเป็นส่วนหนึ่งสัญญาลักษณ์ OFDM เป็นห้วงเวลาที่ถูกใช้เพื่อลดการ. Configuring your beacons properly has a significant impact on how your network performs. ) Active, expires 2032-07-17 Application number US13/465,347 Other languages English (en) Other versionsThe standard guard interval used in 802. 5. thecompnerd, Short guard interval is a standard that is supported by the AP225. For 802. RouterOS wireless complies with IEEE 802. Throughput is expected to reach a theoretical maximum of. Enterprise networks considering an investment in infrastructure Wi-Fi have two excellent choices: (1) buy 802. This option is only available for 5GHz 802. 11ac, short guard interval ( 400 ns) is introduced, while the default value of GI is still set as 800 ns. Table 1: RSSI Reference Values. ap dot11 {5ghz | 24ghz} dot11n guard-interval {any | long} Example: Device (config)# ap dot11 5ghz dot11n guard-interval long: Configures the guard interval for the network. Powered by NRC7292 System-on-Chip from Newracom, SX-NEWAH is industry’s first IEEE 802. 25. #2. 1 、 GI 的作用. 例えば電気信号を無線. Then create a second table if you now assume a long guard interval of 0. 11n protocols is plot- ted for MCS values 1 to 8 for short and long GI in Figures 3 and 4 with channel. Use this setting when Channel width is set to Auto 20/40 MHz to get the best throughput. These longer guard intervals help to prevent inter-symbol interference in outdoor environments and therefore improve coverage and performance. Dec 16, 2021. Esta opción nos permitirá esperar menos tiempo a comprobar si hay. Shorter wait time (guard interval) between symbols increases throughput. This option is only available for 2. 11n standard specifies two guard intervals: 400ns (short) and 800ns (long). Also a preference in iPhone/iPad if you give them different names for 2. Industry’s First 802. The 802. When deploying a wireless network in an environment with many obstacles, there will be diffraction, scattering and reflection. Step. . Hence, in TGaf capable devices shall support both guard interval modes (short and normal). With both 40MHz and 20MHz channels, it’s definitely worth testing with SGI. An extended guard interval of 0. The guard interval is there to eliminate inter-symbol interference, which is referred to as ISI. The 802. 8 μs. Following table describes 802. 11ac tutorial covers WLAN 802. 11n rates (with short and long guard intervals): wifiType: ns3::. Short guard interval in 40 MHz mode. These longer guard intervals help to prevent inter-symbol interference in outdoor environments and therefore improve coverage and performance. , Long Term Evolution (LTE), WiFi, etc. You can change it like this: (Cisco Controller) >config 802. If fix the capability to 40MHz channel width with long guard interval, I see almost all (around 85%) packets with 20MHz channel width. Specified period of time used to separate transmissions so that they do not interfere with each other. Tunggu beberapa saat hingga Anda dihubungkan dengan tab menu yang baru. 11a Wireless LAN amendment to the original 802. Yes, 802. If you open a Support case they may have a backend way toWiFi • Local area wireless technology that allows communication with the internet using 2. 11be, dubbed Extremely High Throughput (EHT), is the next amendment of the IEEE 802. 2. Default: Enabled. Guard intervals (GI) are necessary in OFDM to reduce the likelihood of interference between two consecutive _____. 11 standard requires a guard interval (GI), a period of 800 nanoseconds, between each OFDM symbol that is transmitted to protect against ISI. 4 GHz signal is stronger it will “tell” the device to use 5 GHz anyways. Support of the 400ns GI is optional for transmitting and receive. UWB (Ultra Wide Band) is the PHY defined in IEEE 802. The first 8 modes correspond to short guard interval disabled and channel bonding disabled. 4 GHz. This is known as intersymbol interference. It’s generally recommended that you maintain a short GI. 4. 11b/g devices use an 800 ns guard interval, while. an 80 MHz transmission sent at 256QAM with three spatial streams and a short guard interval delivers 234×3×5/6×8 bits/3. 11a/b/g used a mandatory 800ns guard interval. Any If it's set to any, it defaults to 400ns for compatible clients. Short guard interval (SGI) is a new feature of the physical (PHY) layer in High Throughput Wireless Local Area Networks (HT-WLANs), like IEEE 802. PLCP preamble field, composed of 10 repetitions of a "short training sequence " and two repetitions of a "long training sequence" preceded by a guard interval (GI). Change the wireless channel. 11 standard, which will be designated Wi-Fi 7.