A pinging electronic device, a pingable electronic device and a network for the devices are disclosed. A first region of the memory cell is in electrical contact with the floating body region. Predistortion circuitry receives the estimates and the source signal as inputs and provides the transmitter input signal as a function of the estimates. As a result, adverse effects of load scheduling based on obsolete reverse channel information are minimized. The receptors, which are alternately spliced versions of MCP-1 receptor protein may be used in an assay to identify antagonists of MCP-1 which are therapeutically useful in the treatment of atherosclerosis and other diseases characterized by monocytic infiltrates. The initiating peer may send the most recent version information to peers that added version update requests to the payload.