Wideband code division multiple access user equipment for receiving multimedia broadcast/multicast service
View Patent ↗A wideband code division multiple access (W-CDMA) user equipment (UE) for receiving a multimedia broadcast/multicast service (MBMS). The UE comprises an MBMS receiver configured to receive data of an MBMS service over one of a secondary common control physical channel (S-CCPCH) or a dedicated channel. After the reception of the data of the MBMS service over the one of the S-CCPCH or dedicated channel, configured to receive data of the MBMS service over the other of the S-CCPCH or dedicated channel.
1. A method for transferring multimedia broadcasts/multicast services (MBMS) in a wireless communication system, the method comprising:
determining a number of users in a cell to receive an MBMS service;
using the determined number of users and cell condition information to determine whether a dedicated channel or a shared/common channel is to be used for the MBMS service;
receiving MBMS data; and
mapping the MBMS data to the determined dedicated or shared/common channel;
wherein the determined dedicated or shared/common channel is at least based on a threshold test, wherein on a condition that the determined number of users is below a threshold, a dedicated channel is used for the MBMS and on a condition that the determined number of users is above the threshold, a shared/common channel is used for the MBMS, and wherein the shared/common channel includes a secondary common control physical channel (S-CCPCH).
2. The method of claim 1 , wherein on a condition that the determined number of users is equal to or below the threshold, a dedicated channel is used for the MBMS.
3. The method of claim 1 , wherein the cell condition information includes expected congestion of the cell.
4. The method of claim 1 , wherein the dedicated channel is a dedicated shared channel and the shared/common channel is a common shared channel.
5. The method of claim 1 , wherein the dedicated channel is a dedicated high speed shared channel and the shared/common channel is a common high speed shared channel.
6. The method of claim 1 , wherein determining the dedicated channel or shared/common channel and mapping the MBMS data onto the determined dedicated channel or shared/common channel is repeated during an MBMS service.
7. The method of claim 1 , wherein the method is implemented in a radio network controller (RNC).
8. The method of claim 7 , wherein the RNC is a controlling RNC (C-RNC).
9. A radio network controller (RNC) for transferring multimedia broadcasts/multicast services (MBMS) in a wireless communication system, the method comprising:
circuitry configured to determine a number of users in a cell to receive an MBMS service;
circuitry configured to use the determined number of users and cell condition information to determine whether a dedicated channel or a shared/common channel is to be used for the MBMS service;
circuitry configured to receive MBMS data; and
circuitry configured to map the MBMS data to the determined dedicated or shared/common channel;
wherein the determined dedicated or shared/common channel is at least based on a threshold test, wherein on a condition that the determined number of users is below a threshold, a dedicated channel is used for the MBMS and on a condition that the determined number of users is above the threshold, a shared/common channel is used for the MBMS, and wherein the shared/common channel includes a secondary common control physical channel (S-CCPCH).
10. The RNC of claim 9 , wherein on a condition that the determined number of users is equal to or below the threshold, a dedicated channel is used for the MBMS.
11. The RNC of claim 9 , wherein the cell condition information includes expected congestion of the cell.
12. The RNC of claim 9 , wherein the dedicated channel is a dedicated shared channel and the shared/common channel is a common shared channel.
13. The RNC of claim 9 , wherein the dedicated channel is a dedicated high speed shared channel and the shared/common channel is a common high speed shared channel.
14. The RNC of claim 9 , wherein determining the dedicated channel or shared/common channel and mapping the MBMS data onto the determined dedicated channel or shared/common channel is repeated during an MBMS service.
15. The RNC of claim 9 , wherein the RNC is a controlling RNC (C-RNC).