Patent ID: 11923972
Assignee: SKYWAVE NETWORKS LLC
Field: Digital communication (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 13:
14. A method, comprising:
developing a set of trading commands based on a financial trading strategy;
estimating probabilities that the trading commands will be issued;
assigning highest probability trading commands to a shortest message group;
assigning next priority commands to a next longer message group that has message lengths longer than the shortest message group;
creating a message code table that includes the shortest message group and the next longer message group;
communicating messages having variable lengths based on the message code table over a communication channel from a transmitter to a receiver;
wherein the communication channel includes a skywave propagation channel;
wherein the skywave propagation channel includes at least one skip zone;
wherein the receiver is located past a radio horizon for the transmitter; and
decoding the messages without knowledge of length and timing of the messages.