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11 September, 20:44

Consider five wireless stations A, B, C, D, E. Station

A can communicate with all other stations.

B can communicate with A, C, E.

C can communicate with A, B, D, and

D can communicate with A, C, E. Also

E can communicate with A, D, B.

1) When A is sending to B, what other communications are possible?

2) When B is sending to A, what other communications are possible?

3) When B is sending to C, what other communications are possible?

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Answers (2)
  1. 11 September, 20:48
    0
    Solution to 1. When A is sending to B, then communication is established within A, C, E.

    Solution to 2. When B is sending to A, A can communicate with other stations and in this case, there is a possibility of communication with C, D, E as B is sending to A.

    Solution to 3. When B is sending to C, communication is established between A, B and D.
  2. 11 September, 21:12
    0
    Answer and Explanation:

    Communication is possible when sender and reciever both communicates in well manner and communication is only possible when there is a sender available to communicate.

    1) Sending data from A to B, there is no possible communication between A and other stations because while A is communicating with B the packet's of station A will interfere with other packets by other stations. Thus while transmission from A to B there is no other communication possible between any other station.

    2) In this case also there is no communication possible as B can communicate with other stations except D. If E and C try to send some data to D at the same time then this would interfere B's transmission to A. Thus while transmission from B to A there is no communication possible between any other station.

    3) Station B can communicate with E, A and C but not with D. while sending data from B to C the communication will be interfered by the station B's transmission to A. But station E can safely transmit data to D while communication between station B to C. Thus there is one communication possible while sending data from B to C which is E to D.
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Home » Engineering » Consider five wireless stations A, B, C, D, E. Station A can communicate with all other stations. B can communicate with A, C, E. C can communicate with A, B, D, and D can communicate with A, C, E. Also E can communicate with A, D, B.
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