Method for establishing communication path between mobile stations

A method for establishing a communication path between a first mobile station positioned within an operating region of a base station and a second mobile station positioned outside said operating region of said base station in a cordless communication system, said method comprising the steps of:

• checking, via said first mobile station, subbands within an auxiliary communication band to determine whether an available subband exists;
• detecting, via said second mobile station, an initial synchronization frequency from among a plurality of network communication bands and said auxiliary communication band;
• transmitting a synchronization packet from said first mobile station to said second mobile station using said initial synchronization frequency when said available subband exists;
• receiving said synchronization packet at said second mobile station, identifying a corresponding leap frequency from said synchronization packet, and then transmitting a synchronization identification packet from said second mobile station to said first mobile station;
• and
• receiving said synchronization identification packet at said first mobile station, and performing a signalling process between said first mobile station and said second mobile station using a leaping pattern determined from said leap frequency to establish said communication path.

A method for establishing a communication path between a first mobile station positioned outside an operating region of a base station and a second mobile station positioned within said operating region of said base station in a cordless communication system, said method comprising the steps of:

• selecting, via said first mobile station, a leaping pattern to enable generation of a leap frequency;
• checking, via said second mobile station, subbands within an auxiliary communication band;
• transmitting a synchronization packet from said first mobile station to said second mobile station using an initial synchronization frequency;
• receiving said synchronization packet at said second mobile station, and transmitting a synchronization identification packet from said second mobile station to said first mobile station in response to receipt of said synchronization identification packet by said second mobile station;
• receiving said synchronization identification packet at said first mobile station, determining that leaping will be performed among said subbands when said second mobile station transmits said synchronization identification packet to said first mobile station using said subbands, and determining that said leaping will be performed among a plurality of network communication bands and said auxiliary communication band when said second mobile station does not transmit said synchronization identification packet to said first mobile station using said subbands;
• and
• performing a signalling process between said first mobile station and said second mobile station using said leaping pattern to establish said communication path.

A method for establishing a communication path between a first mobile station and a second mobile station both positioned outside an operating region of a base station in a cordless communication system, said method comprising the steps of:

• selecting, via said first mobile station, a leaping pattern to enable generation of a leap frequency;
• detecting, via said second mobile station, an initial synchronization frequency from among a plurality of network communication bands and an auxiliary communication band;
• transmitting a synchronization packet from said first mobile station to said second mobile station using said initial synchronization frequency;
• receiving said synchronization packet at said second mobile station, identifying said leap frequency from said synchronization packet, and then transmitting a synchronization identification packet from said second mobile station to said first mobile station;
• receiving said synchronization identification packet at said first mobile station, determining that leaping will be performed among subbands of said auxiliary communication band when said second mobile station transmits said synchronization identification packet to said first mobile station using said subbands, and determining that said leaping will be performed among said plurality of network communication bands and said auxiliary communication band when said second mobile station does not transmit said synchronization identification packet to said first mobile station using said subbands;
• and
• performing a signalling process between said first mobile station and said second mobile station using said leaping pattern to establish said communication path.