From: An Efficient Scheduling Scheme to Enhance the Capacity of VoIP Services in Evolved UTRA Uplink
Number | 1st pairing user's | 2nd pairing user's | Status |
---|---|---|---|
 | ACK channel | ACK channel |  |
1 | ACK | ACK | Maintaining |
2 | ACK | NACK | Changing |
3 | NACK | ACK | Changing |
4 | NACK | NACK | Maintaining |