Medium access control protocol layer module of a mobile station in a mobile ad hoc network and method for transmitting/receiving frames of the module
First Claim
1. A method for transmitting and receiving frames of a MAC (Medium Access Control) protocol layer module that processes data frames and control frames transferred from a MANET (Mobile Ad Hoc Network) protocol layer module in a station that receives frames transmitted through a MANET including a plurality of stations, the method comprising the steps of:
- (1) distinguishing between control frames and data frames when analyzing frames transferred from the MANET protocol layer module;
(2) providing the control frames with a higher priority than the data frames, thereby enabling the control frames to preempt a medium earlier than the data frames; and
(3) transmitting the control frames and the data frames in an order according to their respective priorities.
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Abstract
A system method for transmitting/receiving frames of a MAC (Medium Access Control) protocol layer module that processes data frames and control frames transferred from a MANET (Mobile Ad Hoc Network) protocol layer module in a station receiving frames transmitted through a MANET including a plurality of stations. The method comprises: (1) distinguishing between control frames and data frames in analyzing frames transferred from the MANET protocol layer module; (2) providing the control frames with higher priority than the data frames so that the control frames firstly preempt a medium earlier than the data frames; and (3) transmitting the control frames and the data frames in order according to their respective priorities. By the construction, the control frames are processed first in preempting a medium, before the data frames, in the MAC layer of a station in which the MANET exists, thereby preventing the data loss caused by transmitting the data frames first.
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Citations
6 Claims
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1. A method for transmitting and receiving frames of a MAC (Medium Access Control) protocol layer module that processes data frames and control frames transferred from a MANET (Mobile Ad Hoc Network) protocol layer module in a station that receives frames transmitted through a MANET including a plurality of stations, the method comprising the steps of:
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(1) distinguishing between control frames and data frames when analyzing frames transferred from the MANET protocol layer module;
(2) providing the control frames with a higher priority than the data frames, thereby enabling the control frames to preempt a medium earlier than the data frames; and
(3) transmitting the control frames and the data frames in an order according to their respective priorities. - View Dependent Claims (2, 3, 4, 5)
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6. A MAC (Medium Access Control) protocol layer module for processing data frames and control frames transferred from a MANET (Mobile Ad Hoc Network) protocol layer module in a station receiving frames transmitted through a MANET including a plurality of stations, the MAC protocol layer module comprising:
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a frame generation section for generating frames to distinguish whether frames input from the MANET protocol layer module are control frames or data frames;
a priority setting section for providing the control frames with a higher priority as compared to the data frames in the frames generated from the frame generation section; and
a frame transmission/receipt process section for transmitting and receiving the control frames and the data frames according to priorities set by the priority setting section.
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Specification