Method and arrangement for improved channel-dependent time-and- frequency-domain scheduling

A method of improved channel-dependent time- and frequency-domain scheduling in an Orthogonal Frequency-Division Multiplexing (OFDM) based telecommunication system, said system comprising a plurality of user terminals, the method comprising:

• determining a parameter value representative of a system load;
• pre-selecting a subset of said plurality of user terminals, the subset being limited to a pre-defined scale, if said determined parameter value is larger than or equal to a predetermined threshold;
• performing frequency-domain scheduling of said pre-selected subset of user terminals to reduce the downlink signalling overhead and to enable improved efficiency of the channel-dependent time- and frequency-domain scheduling.

A node in an Orthogonal Frequency-Division Multiplexing (OFDM) communication system, said system comprising a plurality of user terminals, said node comprising:

• means for determining a parameter value representative of a system load;
• means for pre-selecting a subset of the plurality of user terminals, the subset being limited to a pre-defined scale, if said determined parameter value is larger than or equal to a predetermined threshold value;
• means for performing frequency-domain scheduling of said pre-selected subset of user terminals to reduce the downlink signalling overhead and to enable improved efficiency of channel-dependent frequency domain scheduling.