Mid ka mid ah sababaha ugu badan ee xididka u yeelashada isku xirka shabakada wireless-ka oo gaabis ah oo aan degganayn waa faragelin. Waxyaabo badan ayaa farageliya shabakada wireless-ka: wax walba laga bilaabo gidaarada ilaa microwave-yada aad ku isticmaasho jikada ilaa shabakadaha kale ee wireless. Taasi waa sababta aan u go'aansaday in aan wax badan ka barto mawduuca, tijaabiyo shabakad aan fiilo lahayn oo aan la wadaago waxaan bartay.

Maqaalkan, waxaad wax badan ka fahmi doontaa waxa faragelin kara shabakadaada wireless oo aad baran doontaa sida loola macaamilo faragelinta shabakadaha kale ee wireless.

Sababaha & Calaamadaha ^(Causes)loogu^(Symptoms) talagalay Dhibaatooyinka Faragelinta Shabakadda Wireless^{(Wireless Network Interference Problems)}

Waxaa jira sababo badan oo suurtagal ah oo kugu sababi kara faragelinta shabakadaada wireless:

• Muuqaalka muuqaalka ah ee shabakadaada la dhigo: aqalka, dhismaha xafiiska ama guriga meesha laga helo shabakada wirelesska. Darbiyada iyo albaabaduba waxay farageliyaan calaamada shabakadaada, hoos u dhig xooggeeda iyo xawaaraha wareejinta.
• Qalabka elegtarooniga ah ee aad isticmaalayso: foornooyinka microwave-ka, telefoonada bilaa xadhiga ah, madax-madaxeedka bilaa-waayirka ah, aaladaha Bluetooth -ka, kamaradaha ilaalada waxa ay ku shaqeeyaan inta jeer ee 2.4 gigahertz ( GHz ) ee ay isticmaalaan inta badan shabakadaha wireless-ka.
• Fogaanta jireed ee router-ka ama aaladda sii deyneysa calaamadda wireless-ka. Markasta oo fogaato, waxaa sii daciifa calaamadda. Tani waxay mar walba u tarjumeysaa suurtogalnimo sare oo ay saameyn ku yeelanayaan faragelinta kala duwan.
• Ugu dambayn, laakiin ugu yaraan, shabakadaha kale ee wirelessku waxay faragelin karaan kaaga.

Marka shabakadaada wirelessku ay leedahay dhibaatooyin faragelin ah waxaad la kulmi kartaa hal ama dhowr calaamadood: hoos u dhac ku yimid shabakada WiFi (guud ahaan aad uga yar waxa soo saaraha routerkaaga ku sheegay qeexida qalabka), hoos u dhaca degdega ah ee xawaaraha wareejinta, signalka wireless ayaa sii dhacaya. Meelo gaar ah ama waqtiyo gaar ah inta lagu jiro maalinta, xoogga calaamada wirelesska ayaa kor iyo hoos u socda si aan kala sooc lahayn.

Maxaa ka dhigaya Shabakadaha Wireless-ka inay is farageliyaan^{(Makes Wireless Networks Interfere)} ?

Haddii laba ama in ka badan oo shabakad wireless ah la dhigo meel u dhow midba midka kale, markaa way faragelin karaan midba midka kale haddii:

• Waxay isticmaalaan inta jeer ee hawlgalka (2.4 GHz ama 5 GHz ). Heerarka 802.11g iyo 802.11b waxay adeegsadaan 2.4 GHz soo noqnoqda, 802.11n waxay ku shaqayn karaan 2.4 GHz iyo 5 GHz labadaba halka 802.11a uu ku shaqayn karo 5 GHz oo kaliya .
• Waxay isticmaalaan kanaalka isku midka ah ama kanaalada deriska ah kuwaas oo is dul saaran. Ruuter-ka bilaa-waayirka ah waxa uu soo diri karaa signalka bilaa-waayirka isagoo isticmaalaya kanaal go'an, laga bilaabo 1 ilaa 11 ama 13 (waxay kuxirantahay nooca router-ka iyo halka lagu iibiyo). Si aad u hubiso inay jirto suurtogalnimo yar oo ku saabsan kanaalada kale, waa inaad doorataa kanaalka 1, 6 ama 11 (ama 13 haddii loo heli karo router kaaga). Sida caadiga ah, router-yada badankood waxaa loo dejiyay inay isticmaalaan kanaalka 6, sidaas darteed sababta isku dhacyada.

Aqoonso Dhibaatooyinka Faragelinta^{(Identify Interference Problems)} Shabakadaha Kale ee Wireless-^{(Wireless Networks)} ka ee leh inSSIDer

Aqoonsiga asalka saxda ah ee dhibaatooyinkaaga faragelinta waxay noqon kartaa mid aad u xanuun badan, iyadoo ku xiran goobtaada. Haddii aad ku sugan tahay meel mashquul ah oo ay ku hareeraysan yihiin shabakado badan oo fiilo-la'aan ah, markaa dhibaatooyinkaaga waxay u badan tahay inay sababaan shabakadaha kale.

Markaa... sidee u hagaajinaysaa? Waxaad isticmaali kartaa qalab lagu magacaabo inSSIDer (isku xirka soo dejinta shaqada: halkan^(here) ). Waxaan casharkii hore ku soo qaadannay aasaaska isticmaalka: Raadi Shabakadaha Wireless-ka ee Qarsoon & Arag macluumaadka faa'iidada leh (oo ay ku jirto SSID)^{(Find Hidden Wireless Networks & View Useful Information (Including the SSID))} . Waxaan kugula talinayaa inaad marka hore akhrido, ka hor intaadan u gudbin tilmaamaha maqaalkan.

Aynu ka soo qaadno inaad isku dayayso inaad hagaajiso dhibaatooyinka faragelinta ee gurigaaga. Ku rakib qalabka kumbuyuutarka oo dab. Fiiri shabakadaha wireless-ka ay aqoonsato oo eeg sida loo dejiyay. Ka bilow^(Start) meel u dhow router-ka oo u guuri guriga ilaa cidhifyada iyo meelaha aad la kulanto arrimaha ugu badan.

U^(Pay) fiirso sida shabakadaha bilaa-waayuhu uga baaba'aan raadaarka ama ay uga muuqdaan. Arag sida uu signalka shabakadaadu u kobcayo. Meelaha aad la kulanto arrimaha ugu badan, waxa ay u badan tahay in aad leedahay shabakado kale oo bilaa-waayirka ah oo firfircoon.

Kadib, fiiri xogta oo weydii naftaada su'aalaha soo socda:

• Waa kuwee inta jeer ee shabakadayda bilaa-waayirka ah (5 GHz ama 2.4 GHz )
• Ma u beddeli karaa router-ka inta jeer ee hawlgalka halkaasoo tirada ugu yar ee shabakadaha laga helo?
• Kanaalkee ayay shabakadaydu isticmaashaa?
• Waa kuwee kanaalada ugu yar ee ay adeegsadaan shabakadaha wireless-ka ee aaggayga?

Xalka suurtogalka ah ee dhibaatooyinkaaga^(Problems) faragelinta

Haddii router-kaagu uu si buuxda u taageero heerka 802.11n, waad isticmaali kartaa oo aad u wareegi kartaa inta jeer ee 5 GHz . Si kastaba ha ahaatee, tani waxay keeni kartaa qaar ka mid ah dhibaatooyinka aad u baahan tahay inaad ka warqabto. Marka hore^(First) , signalka shabakada wirelessku ma awoodo inuu dhex galo ilaa inta la isticmaalayo heerka 802.11b, tusaale ahaan. Waxay si fiican u nuugaan derbiyada, albaabada iyo walxaha kale ee adag. Haddii daboolida aag weyn ay muhiim tahay, waxaa laga yaabaa inaadan rabin inaad marto jidkan. Dabadeed, arrin kale waxaa keenay taageerada heerkan. Laptop-yadii hore, taleefannada casriga ah iyo adapters-ka wireless-ka ma taageeraan. Tijaabi qalabkaagii hore oo baro haddii ay ogaan karto oo ku xidhi karto shabakadda wireless-ka marka la isticmaalayo heerka 802.11n.

Haddii aad leedahay router dual band, kaas oo ku shaqayn kara labadaba 2.4 GHz iyo 5 GHz , markaa waxaad ku xidhi kartaa qalabka cusub ee shabakada wireless 5 GHz iyo qalabkii hore ee shabakada 2.4 GHz . Iyada oo ku xidhan router-kaaga, muuqaalkan, waxaad la kulmi kartaa arrimo la xidhiidha wadaaga faylka iyo sida aaladaha iyo kombuyuutarku ay iskaga ogaadaan shabakadda. Ha ka waaban inaad walxaha ku tijaabiso oo aad hubiso in wadaagista faylalka ay u shaqeyso sidii loogu baahdo.

Haddii beddelidda inta jeer ee hawlgalka iyo heerka wireless-ku aanay ahayn ikhtiyaar, markaa waa inaad falanqeyso calaamadaha ay adeegsadaan dhammaan shabakadaha wireless-ka ee agagaarkaaga.

Shaashadaha lagu isticmaalay maqaalkan, shabakada gurigayga waxaa lagu magacaabaa C1pr1an . Waxay isticmaashaa kanaalka 7 si ay u shaqeyso. Inta badan shabakadaha aaggaygu waxay isticmaalaan kanaalka 6. Haddii aad eegto tabka 2.4 GHz , waxaan arki karaa sida shebekadda wireless-ka ee calaamadeeyuhu ay la socdaan shabakado badan, gaar ahaan kuwa isticmaala kanaalka 6. Waxaa cad in ay ugu fiican tahay in la beddelo kanaalka.

Kanaalkee ayaan doortaa? 1, 11 ama 13? Xusuusnow^(Remember) ... in aad aado meelaha ugu daran ayaa ka wanaagsan.

Waxaan arkaa in kanaalka 1 loo isticmaalo aaggayga 3 shabakadood oo leh awood calaamad hoose. Tiirka RSSI ayaa i tusinaya xooggiisa - mar kasta oo nambarku uu sarreeyo, waa ka sii xoogeysanayaa calaamadda.

Kanaalka 11 waxaa jira laba shabakadood oo leh calaamad wax yar ka wanaagsan. Nasiib wanaag, routerkeygu wuxuu bixiyaa ilaa 13 kanaal (qaar ka mid ah router-yada ma bixiyaan). Kanaalka 13 waxaa jira hal shabakad oo aaggayga ah oo leh awood calaamad hoose.

Haddaba.. kanaalkee ayaan u wareegayaa? Kanaalka 13. Haddii aanan isticmaali karin kanaalka 13, markaas doorashadayda ugu fiican waxay ahaan lahayd kanaalka 11 sababtoo ah shabakado yar ayaa ka shaqeeya.

Soo koobid fiidiyoow ah oo wanaagsan oo ku saabsan sida aan u isticmaalo inSSIDer ayaa laga heli karaa hoosta:

Ugu dambayn, laakiin ugu yaraan, eeg ikhtiyaarka habaynta shabakadaada wireless. Router-yada qaarkood waxay leeyihiin astaamo, marka la shido, ka caawiya wax ka qabashada faragelinta si ka wanaagsan. Tusaale ahaan, Belkin router waxay leeyihiin hab la ilaaliyo^{(Protected Mode)} oo loo sahlo meelaha faragelinta sare leh.

Natiijadii Dhamaadka: Ku dhawaad ​​ma jiraan^{(No Conflicts)} iskahorimaadyo & ka- qaadis ka wanaagsan^{(Better Throughput)}

Beddelka kanaalka ka dib, waxaan xaaladda mar kale ku falanqeeyay inSSIDer .

Aagga aan dhibka ugu badan kala kulmay, xaaladdu waxay u muuqataa mid aad uga wanaagsan. Shabakaddayda wireless-ku hadda kama farageliso shabakadaha leh xoogga calaamadaha wanaagsan, iyaga oo isticmaalaya kanaalka 6.

Aagga guriga oo aan ku dhawaaday wax dhibaato ah, arrimuhu hadda way qumman yihiin. Shabakaddayda bilaa-waayirka ah waxay ku shaqaynaysaa kanaal aan faragelin eber ah ka helin shabakadaha kale ee wireless-ka.

Ka warran meelaha kale ee faragelinta^{(Interference)} ?

Ujeedada maqaalkani waxay ahayd in la tuso sida loola macaamilo shabakadaha kale ee bilaa-waayirka ah ee farageliya kuwaaga. Haddii aad xiisaynayso inaad barato sida loola tacaalo sababaha kale ee suurtagalka ah, waxaan ku talinayaa ilahan soo socda:

10 tabo oo kaa caawinaya hagaajinta shabakadaada bilaa-waayirka ah ^{(10 tips to help improve your wireless network)}
20 khuraafaad ah faragelinta Wi-Fi^{(20 Myths of Wi-Fi Interference)}

Dadka abuuray inSSIDer sidoo kale waxay leeyihiin kanaal fiidiyoow ah oo YouTube ah halkaas oo ay ku dhejiyaan casharro waxtar leh oo ku saabsan aaladaha kale ee waaweyn ee aad isticmaali karto si aad u aqoonsato isha dhibaatooyinkaaga faragelinta. Waxaad ka heli kartaa halkan: MetaGeek Trent .

The Layman's Guide to Solving Wireless Network Interference Problems

One of the most common root causes for havіng slow and unstable wireless network connеctions iѕ interference. Many thingѕ interfere with a wіreless network: everything from walls to the microwaves you use in thе kitchen to оther wireless nеtworks. That's why I deсided to learn more on the subject, exрeriment with my own wirelеss network and share what I have learned.

In this article, you will understand more about what can interfere with your wireless network and learn how to deal with interferences from other wireless networks.

The Causes & Symptoms for Wireless Network Interference Problems

There are many possible causes for having interference problems with your wireless network:

• The physical landscape where your network is placed: the apartment, office building or house where the wireless network is found. Walls and doors interfere with the signal of your network, lower its strength and the transfer speed.
• Electronic equipment you are using: microwave ovens, cordless phones, wireless headsets, Bluetooth devices, surveillance cameras operate at the 2.4 gigahertz (GHz) frequency used by most wireless networks.
• The physical distance from the router or the device emitting the wireless signal. The further away, the weaker the signal weaker. This always translates into a higher likelihood of being impacted by different kinds of interference.
• Last but not least, other wireless networks can interfere with yours.

When your wireless network has interference problems you can encounter one or more symptoms: reduced range for your WiFi network (generally much lower than what the manufacturer of your router mentions in the hardware specifications), sudden drops in transfer speeds, the wireless signal dropping out in certain places or at certain times during the day, your wireless signal strength going up and down randomly.

What Makes Wireless Networks Interfere With Each Other?

If two or more wireless network are placed close to one another, then they can interfere with each other if:

• They use the same operating frequency (2.4 GHz or 5 GHz). The 802.11g and 802.11b standards use the 2.4 GHz operating frequency, 802.11n can operate both at 2.4 GHz and 5 GHz while 802.11a can operate only at 5 GHz.
• They use the same channel or neighboring channels which overlap. A wireless router can send the wireless signal using a set channel, from 1 to 11 or 13 (depending on the router model and where it is sold). To make sure there is a smaller likelihood of overlapping with other channels, you should choose channel 1, 6 or 11 (or 13 if available for your router). By default, most routers are set to use channel 6, thus the reason for conflicts.

Identify Interference Problems from Other Wireless Networks With inSSIDer

Identifying the exact root cause for your interference problems can be quite a pain, depending on your location. If you are in a busy area with lots of wireless networks around, then your problems are most likely caused by the other networks.

So... how do you fix them? You can use a tool named inSSIDer (working download link: here). We covered the basics of using it in a previous tutorial: Find Hidden Wireless Networks & View Useful Information (Including the SSID). I recommend that you read it first, before going ahead with the instructions in this article.

Let's assume you are trying to fix interference problems in your own home. Install the tool on a laptop and fire it up. Look at the wireless networks it identifies and look at how they are set. Start somewhere close to the router and move around the house to its extremities and to the areas where you encounter most issues.

Pay attention to how wireless networks disappear from the radar or show up on it. View how your network signal evolves. In the areas where you encounter most issues, you most probably have other wireless networks active.

Then, look at the data and ask yourself the following questions:

• On which frequency is my wireless network (5 GHz or 2.4 GHz)?
• Can I switch the router to the operating frequency where the fewest number of networks is found?
• Which channel is my network using?
• Which channels are least used by the wireless networks in my area?

Possible Solutions to Your Interference Problems

If your router fully supports the 802.11n standard, you can use it and switch to the 5 GHz operating frequency. However, this can cause some problems you need to be aware of. First, the wireless network signal will not be able to penetrate as far as when using the 802.11b standard, for example. It is better absorbed by walls, doors and other solid objects. If covering a large area is important, you might not want to go this route. Then, another issue is caused by support for this standard. Older laptops, smartphones and wireless adapters do not support it. Test your older equipment and learn if it can detect and connect to the wireless network when using the 802.11n standard.

If you have a dual band router, that can operate both at 2.4 GHz and 5 GHz, then you can connect the newer devices to the 5 GHz wireless network and the older equipment to the 2.4 GHz network. Depending on your router, in this scenario, you can encounter issues with file sharing and how devices and computer detect each other over the network. Don't hesitate to test things through and check if file sharing works as needed.

If changing the operating frequency and the wireless standard is not an option, then you have to analyze the signal used by all wireless networks in your area.

In the screenshots used in this article, my home network is named C1pr1an. It uses channel 7 to operate. Most networks in my area use channel 6. If look on the 2.4 GHz tab, I can see how my wireless network signal overlaps with many networks, especially with those using channel 6. It is clear that it is best to change the channel.

Which channel should I pick? 1, 11 or 13? Remember... going to the extremes is better.

I see that channel 1 is used in my area by 3 networks with low signal strength. The RSSI column shows me its strength - the higher the number, the stronger the signal.

On channel 11 there are two networks with slightly better signal. Luckily, my router provides up to 13 channels (some routers do not). On channel 13 there is only one network in my area with low signal strength.

So.. to which channel should I switch? You guessed it... channel 13. If I could not use channel 13, then my best choice would have been channel 11 because fewer networks are active on it.

A good video summary of how I used inSSIDer can be found below:

Last but not least, look at the configuration options for your wireless network. Some routers have features that, when turned on, help in dealing with interference in a better way. For example, Belkin routers have a Protected Mode setting that can be enabled for areas with high interference.

The End Result: Almost No Conflicts & Better Throughput

After changing the channel, I have analyzed the situation one more time with inSSIDer.

In the area where I had the most problems, the situation looks much better. My wireless network no longer interferes with those networks with good signal strength, using channel 6.

In the area of the house where I had almost no issues, things are perfect now. My wireless network is functioning on a channel with zero interference from other wireless networks.

What About the Other Sources of Interference?

The intent of this article was to show how to deal with other wireless networks interfering with yours. If you are interested in learning how to deal with other possible root causes, I recommend the following sources:

10 tips to help improve your wireless network
20 Myths of Wi-Fi Interference

The folks that created inSSIDer also have a YouTube video channel where they post useful tutorials about other great tools you can use to identify the source of your interference problems. You can find it here: MetaGeek Trent.

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