# Paper-backed ARQ window formulas

Subject: Computer Networks

Exam: TEE

Reader: https://deep-learning-study-room.vercel.app/cn/#tee/formulas/tee-formulas/exam-arq

Canonical: https://deep-learning-study-room.vercel.app/read/cn/tee/formulas/tee-formulas--exam-arq/

TEE · Complete six-unit quick reference · current syllabus 702AI0C023

Question families present in the supplied papers: final Q5(a); re-exam Q5(a) explains GBN.



$$
N=2^m,\quad W_{GBN}\le N-1,\quad W_{R,GBN}=1
$$



m sequence bits; sequence numbers 0…N−1. GBN receiver accepts only next in order.



$$
W_{S,SR}=W_{R,SR}\le N/2
$$



Standard equal-window SR bound; prevent successive windows overlapping.