JP2009515400A5 - - Google Patents

Claims (37)

Receiving at the first node, point or terminal in the wireless local area network a signal including information on the multicast waiting period for the specific multicast group from the second node, point or terminal in the wireless local area network;
Determining, at the first node, point or terminal, a multicast service period for communicating with the second node, point or terminal based at least in part on the information contained in the signal;
Having a method. The first node, point or terminal and the second node, point or terminal are an access point in the wireless local area network, another appropriate network node or terminal, a radio station, or another appropriate network. A method according to claim 1, comprising a node or a terminal. 3. The access point and the wireless station can indicate the ability to accommodate multicast and broadcast variable waiting periods using new fields in beacons and probe response frames and (re) association request frames. the method of. The method according to claim 1, further comprising setting a multicast service by multicast and broadcast service setting signal notification. In this signaling step, a waiting period for multicast and broadcast services may be agreed between the first node, point or terminal and the second node, point or terminal in the wireless local area network. The method of claim 1, which can be performed. The signal from the radio station contains information on the proposed waiting period according to multicast and broadcast service characteristics, and the access point accepts the proposed waiting period or defines a new waiting period The method of claim 2, wherein the method is capable. The method according to claim 6, wherein the access point is also capable of transmitting multicast service information / information element to advertise that the active waiting period is each beacon and probe response frame. 8. The method of claim 7, wherein the access point can also indicate whether there is buffered broadcast data and / or buffered multicast information belonging to a multicast group. Transmitting at the first node, point or terminal in the wireless local area network a signal including information on the multicast waiting period for the specific multicast group from the second node, point or terminal in the wireless local area network;
Receiving a multicast service period for communicating with the second node, point or terminal at the first node, point or terminal;
Having a method. The first node, point or terminal and the second node, point or terminal are an access point in the wireless local area network, another appropriate network node or terminal, a radio station, or another appropriate network. 10. A method according to claim 9, comprising a node or a terminal. 11. The access point and the wireless station can indicate the ability to accommodate multicast and broadcast variable waiting periods using new fields in beacons and probe response frames and (re) association request frames. the method of. The method according to claim 9, further comprising setting a multicast service by multicast and broadcast service setting signal notification. In this signaling step, a waiting period for the multicast and broadcast services is agreed between the first node, point or terminal and the second node, point or terminal in the wireless local area network. The method according to claim 9, which can be performed. The signal from the radio station contains information about the proposed waiting period according to the multicast and broadcast service characteristics, and the access point accepts the proposed waiting period or defines a new waiting period The method according to claim 10, which can be performed. 15. The method according to claim 14, wherein the access point is also capable of transmitting a multicast service information / information element to advertise that the active waiting period is each beacon and probe response frame. The method of claim 15, wherein the access point can also indicate whether there is buffered broadcast data and / or buffered multicast information belonging to a multicast group. A first node, point or terminal,
A signal including information related to a multicast waiting period for a specific multicast group is received from a second node, point or terminal in the wireless local area network, and the second node, point or terminal A first node, point or terminal comprising one or more modules configured to determine a multicast service period for communication. The first node, point or terminal and the second node, point or terminal are an access point in the wireless local area network, another appropriate network node or terminal, a radio station, or another appropriate network. 18. The first node, point or terminal according to claim 17, comprising a node or terminal. 19. The access point and the wireless station can use a new field in a beacon and probe response frame and a (re) association request frame to indicate the ability to accommodate multicast and broadcast variable waiting periods. First node, point or terminal. 18. The first node, point, or terminal according to claim 17, wherein the one or more modules are configured to set up a multicast and broadcast service by multicast and broadcast service setup signal notification. In this signaling step, a waiting period for multicast and broadcast services may be agreed between the first node, point or terminal and the second node, point or terminal in the wireless local area network. 18. A first node, point or terminal according to claim 17 capable. The signal from the radio station contains information about the proposed waiting period according to the multicast and broadcast service characteristics, and the access point accepts the proposed waiting period or defines a new waiting period 19. A first node, point or terminal according to claim 18 capable of being. The first node, point or terminal according to claim 22, wherein the access point is also capable of transmitting multicast service information / information element and advertising that the active waiting period is each beacon and probe response frame. . 24. The first node, point or terminal of claim 23, wherein the access point can also indicate whether there is buffered broadcast data and / or buffered multicast information belonging to a multicast group. 18. The multicast or broadcast information is transmitted using a “continuation data” bit indicating that the first node, point, or terminal is buffering data from the same multicast or broadcast address. The first node, point or terminal described. A computer program stored on a machine readable medium when executed on a module of a first node, point or terminal, such as an access point in a wireless local area network,
Receiving at the first node, point or terminal a signal including information on a multicast waiting period for a specific multicast group from a second node, point or terminal in the wireless local area network;
Determining, at the first node, point or terminal, a multicast service period for communicating with the second node, point or terminal based at least in part on the information contained in the signal;
A computer program for executing a method comprising: The method of claim 1, further comprising the step of implementing the method steps by a computer program executed by a processor, controller or other suitable module in the first node, point or terminal. Transmitting the multicast or broadcast information using a “continuation data” bit indicating that the first node, point, or terminal is buffering data from the same multicast or broadcast address Item 2. The method according to Item 1. A signal including information on a multicast waiting period for a specific multicast group is transmitted from a first node, point or terminal in the wireless local area network to a second node, point or terminal in the wireless local area network; One or more modules configured to receive a multicast service period for communicating with the second node, point or terminal in the wireless local area network at the first node, point or terminal in the network; Equipment provided. 30. The apparatus of claim 29, wherein the apparatus and the second apparatus include an access point in the wireless local area network, other appropriate network node or terminal, and a wireless station, other appropriate network node or terminal. . 30. The apparatus of claim 29, wherein in this signaling step, a waiting period for multicast and broadcast services can be agreed between the apparatus in the wireless local area network and the second apparatus. 31. The access point and the wireless station can indicate the ability to accommodate multicast and broadcast variable waiting periods using new fields in beacons and probe response frames and (re) association request frames. Equipment. 30. The apparatus of claim 29, wherein the one or more modules are further configured to set up a multicast service by multicast and broadcast service setup signal notification. The signal from the radio station contains information about the proposed waiting period according to the multicast and broadcast service characteristics, and the access point accepts the proposed waiting period or defines a new waiting period 32. The apparatus of claim 30, wherein the apparatus is capable of. The method of claim 1, further comprising providing a communication signal to the second node, point or terminal using at least in part the multicast and / or broadcast variable waiting period. 18. The one or more modules are configured to provide a communication signal to the second node, point, or terminal, at least in part using the multicast and / or broadcast variable waiting period. The first node, point or terminal described. 35. The apparatus of claim 34, wherein the access point can also send multicast service information / information elements to advertise that the active waiting period is each beacon and probe response frame.