Frequency and time domain range expansion

摘要

For range expansion, a determination to enter range expansion may be made based on a signal strength differential for user equipment (UE) communications between a first class of base stations and a second class of base stations. If the signal strength differential is beyond a certain threshold, range expansion may be implemented. In range expansion, a signal is transmitted, on a resource coordinated with at least one of the first class of base stations, from one of the second class of base stations to the UE which could experience dominant interference from one of the first class of base stations if coordination were not performed. Transmission power may be reduced from one of the first class of base stations on that resource. The second signal may be transmitted within the region of the Physical Downlink Shared Channel.

主权项

1. A method of wireless communication, comprising:
processing information from a user equipment (UE) to obtain a signal strength difference between UE communications with at least one of a first class of base stations and UE communications with at least one of a second class of base stations; comparing the signal strength difference to a predetermined threshold; and scheduling the UE in a range expansion mode based on the comparison of the signal strength difference to the predetermined threshold, the range expansion mode enabling the UE to receive communications from at least one of the second class of base stations on a resource coordinated with at least one of the first class of base stations, wherein the resource comprises a predetermined time-frequency resource in a data region of the at least one of the first class of base stations.