Method for enabling interoperability between data transmission systems conforming to IEEE 802.11 and HIPERLAN standards
3 Assignments
0 Petitions
Accused Products
Abstract
Mechanisms, in a transmission channel shared by 802.11 systems and HIPERLAN/2 systems are provided to prevent 802.11 terminals from transmitting during time periods allocated to HIPERLAN, so that a single channel can be shared between the two standards. In a particular embodiment, a “super frame” format is used where HIPERLAN transmissions are offered the highest level of protection possible within 802.11, which is needed within the 802.11 Contention Free Period (CFP).
-
Citations
35 Claims
-
1-15. -15. (canceled)
-
16. A method comprising:
in a wireless network comprising a first device and a second device, the first device adapted to transmit a first wireless signal using a first access protocol, the second device adapted to transmit a second wireless signal using a second access protocol;
assembling a spoofing frame sequence from an RTS frame and a CTS frame, the RTS frame transmitted by an access point associated with the first access protocol, the CTS frame transmitted by the first device; and
transmitting the spoofing frame sequence to restrict data transmissions from the first device to the wireless network. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
-
27. A method comprising:
in a wireless network comprising a first device and a second device, the first device adapted to transmit a first wireless signal using an 802.11 access protocol, the second device adapted to transmit a second wireless signal using a HIPERLAN/2 access protocol;
defining a super frame comprising;
a contention free phase for 802.11 transmissions;
a HIPERLAN/2 phase for HIPERLAN/2 transmission; and
a contention phase for 802.11 transmissions, the contention phase started by a CF_End management frame adapted to reset an 802.11 network allocation vector, and transmitting the super frame. - View Dependent Claims (28, 29, 30, 31, 32, 33, 34, 35)
Specification