1. Glossaryفەرهەنگی زاراوەکان
Hidden node problem
کێشەی نۆدی شاراوە
Proposed Kurdish term — under reviewزاراوەی پێشنیارکراو — لە ژێر پێداچوونەوەدایە

Definitionپێناسە

Two Wi-Fi stations that both reach the access point but cannot hear each other, so they send at the same time and collide at the access point. RTS/CTS messages, in which the access point gives the right to send, reduce the problem.

دوو وێستگەی کە هەردووکیان دەگەنە بەڵام یەکتر نابیستن، بۆیە لە هەمان کاتدا دەنێرن و لە پێکدادان ڕوو دەدات. پەیامەکانی ⁦RTS/CTS⁩، کە تێیاندا مافی ناردن دەدات، کێشەکە کەم دەکەنەوە.

Picturesوێنەکان

An animation in seven steps. Laptop A on the left and laptop C on the right, the access point in the middle; dashed ovals show the range of A and the range of C, which overlap only around the AP. 1 A and C both reach the AP but cannot hear each other. 2 The channel sounds quiet to A, so A sends a long data frame. 3 C cannot hear A, so the channel sounds quiet to C as well, and C sends too. 4 The two frames collide at the AP and no ACKs come back: this is the hidden node problem. 5 The fix: before a long frame A sends a short RTS, request to send. 6 The AP answers with CTS, clear to send; everyone near the AP hears it, C too, and stays quiet; C waits. 7 A sends its data safely, the AP replies with an ACK, and only then does C get its turn.
An animation in seven steps. Laptop A on the left and laptop C on the right, the access point in the middle; dashed ovals show the range of A and the range of C, which overlap only around the AP. 1 A and C both reach the AP but cannot hear each other. 2 The channel sounds quiet to A, so A sends a long data frame. 3 C cannot hear A, so the channel sounds quiet to C as well, and C sends too. 4 The two frames collide at the AP and no ACKs come back: this is the hidden node problem. 5 The fix: before a long frame A sends a short RTS, request to send. 6 The AP answers with CTS, clear to send; everyone near the AP hears it, C too, and stays quiet; C waits. 7 A sends its data safely, the AP replies with an ACK, and only then does C get its turn.
A and C cannot hear each other, so the AP's CTS keeps C quiet.A و C گوێیان لە یەکتر نابێت، بۆیە CTSـی AP وا لە C دەکات بێدەنگ بێت.CêIT

Exampleنموونە

Laptops in two rooms on opposite sides of the access point are hidden from each other.

دوو لاپتۆپ لە دوو ژوور لە دوو لای پێچەوانەی لە یەکتر شاراوەن.

Other Kurdish renderings in useوەرگێڕانە کوردییەکانی تر

کێشەی گرێی شاراوە، کێشەی نۆدی شاراوەکە، کێشەیەکی نۆدی شاراوە، کێشەی نۆدی شاراوەی، کێشەیەکی نۆدی شاراوەی

Note on the Kurdish termتێبینی لەبارەی زاراوە کوردییەکە

The registry's node «نۆد» (network-node «نۆدی ڕایەڵە») + «شاراوە» (hidden); the owner's «گرێ» (node) is an alternative. Proposed.

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