Method and apparatus for communicating in a dominant interference scenario

A method for wireless communication, comprising:

• determining a first frequency band for a first base station, the first frequency band overlapping at least partially with a second frequency band for a second base station and further extending beyond the second frequency band;
• broadcasting information indicative of the first frequency band for the first base station;
• and
• communicating with at least one user equipment (UE) on the first frequency band by the first base station, the communicating comprising accounting for high interference from the second base station in a portion of the first frequency band overlapping the second frequency band by sending a control channel with a lower modulation and coding scheme.

A method for wireless communication, comprising:

• determining a first frequency band for a first base station, the first frequency band overlapping at least partially with a second frequency band for a second base station and further extending beyond the second frequency band;
• broadcasting information indicative of the first frequency band for the first base station;
• and
• communicating with at least one user equipment (UE) on the first frequency band by the first base station, the communicating comprising,
• sending one or more of a primary synchronization signal (PSS), a secondary synchronization signal (SSS), or a Physical Broadcast Channel (PBCH) in a center portion of the first frequency band non-overlapping with the second frequency band,
• sending one or more of a Physical Control Format Indicator Channel (PCFICH) or a Physical HARQ Indicator Channel (PHICH) across the first frequency band, and
• sending one or more of a Physical Downlink Control Channel (PDCCH) or a Physical Downlink Shared Channel (PDSCH) in the first frequency band.

A method for wireless communication, comprising:

• determining a first frequency band for a first base station, the first frequency band overlapping at least partially with a second frequency band for a second base station and further extending beyond the second frequency band;
• broadcasting information indicative of the first frequency band for the first base station;
• and
• communicating with at least one user equipment (UE) on the first frequency band by the first base station, the communicating comprising,
• receiving a Physical Uplink Control Channel (PUCCH) sent by the at least one UE in a control region of the first frequency band, the control region being non-overlapping with the second frequency band, and
• receiving a Physical Uplink Shared Channel (PUSCH) sent by the at least one UE in a data region of the first frequency band, the data region being assignable for data transmission on uplink and non-overlapping with the second frequency band and the control region.

An apparatus for wireless communication, comprising:

• means for determining a first frequency band for a first base station, the first frequency band overlapping at least partially with a second frequency band for a second base station and further extending beyond the second frequency band;
• means for broadcasting information indicative of the first frequency band for the first base station;
• and
• means for communicating with at least one user equipment (UE) on the first frequency band by the first base station, wherein the means for communicating,
• receives a control channel sent by the at least one UE in a control region of the first frequency band, the control region being non-overlapping with the second frequency band, and
• receives a data channel sent by the at least one UE in a data region of the first frequency band, the data region being assignable for data transmission on uplink and non-overlapping with the second frequency band and the control region.

An apparatus for wireless communication, comprising:

• at least one processor configured
• to determine a first frequency band for a first base station, the first frequency band overlapping at least partially with a second frequency band for a second base station and further extending beyond the second frequency band,
• to broadcast information indicative of the first frequency band for the first base station, and
• to communicate with at least one user equipment (UE) on the first frequency band by the first base station, the communicating comprising;
• receiving a control channel sent by the at least one UE in a control region on the first frequency band, the control region being non-overlapping with the second frequency band, and
• receiving a data channel sent by the at least one UE in a data region on the first frequency band, the data region being assignable for data transmission on uplink and non-overlapping with the second frequency band and the control region.

A method for wireless communication, comprising:

• receiving broadcast information indicative of a first frequency band for a first base station, the first frequency band overlapping at least partially with a second frequency band for a second base station and further extending beyond the second frequency band;
• and
• communicating with the first base station on the first frequency band by a user equipment (UE), the communicating with the first base station comprising,
• obtaining received symbols for a control channel sent by the first base station across the first frequency band,
• estimating interference observed by the received symbols, and
• recovering information sent in the control channel by taking into account the estimated interference when decoding the received symbols.

A method for wireless communication, comprising:

• receiving broadcast information indicative of a first frequency band for a first base station, the first frequency band overlapping at least partially with a second frequency band for a second base station and further extending beyond the second frequency band;
• and
• communicating with the first base station on the first frequency band by a user equipment (UE), the communicating comprising,
• determining whether a control channel from the first base station can be reliably decoded by the UE,
• decoding the control channel, if the control channel can be reliably decoded, and
• using a default value for the control channel, if the control channel cannot be reliably decoded.

A method for wireless communication, comprising:

• receiving broadcast information indicative of a first frequency band for a first base station, the first frequency band overlapping at least partially with a second frequency band for a second base station and further extending beyond the second frequency band;
• and
• communicating with the first base station on the first frequency band by a user equipment (UE), the communicating with the first base station comprising,
• receiving a primary synchronization signal (PSS), a secondary synchronization signal (SSS), a Physical Broadcast Channel (PBCH), or a combination thereof sent by the first base station in a center portion of the first frequency band, the center portion being non-overlapping with the second frequency band,
• receiving at least one of a Physical Control Format Indicator Channel (PCFICH) a Physical HARQ Indicator Channel (PHICH) sent by the first base station across the first frequency band, and
• receiving at least one of a Physical Downlink Control Channel (PDCCH)or a Physical Downlink Shared Channel (PDSCH) sent by the first base station in the first frequency band.

A method for wireless communication, comprising:

• receiving broadcast information indicative of a first frequency band for a first base station, the first frequency band overlapping at least partially with a second frequency band for a second base station and further extending beyond the second frequency band;
• and
• communicating with the first base station on the first frequency band by a user equipment (UE), the communicating with the first base station comprising,
• sending a Physical Uplink Control Channel (PUCCH) to the first base station in a control region of the first frequency band, the control region being non-overlapping with the second frequency band, and
• sending a Physical Uplink Shared Channel (PUSCH) to the first base station in a data region of the first frequency band, the data region being assignable for data transmission on uplink and non-overlapping with the second frequency band and the control region.

An apparatus for wireless communication, comprising:

• means for receiving broadcast information indicative of a first frequency band for a first base station, the first frequency band overlapping at least partially with a second frequency band for a second base station and further extending beyond the second frequency band;
• and
• means for communicating with the first base station on the first frequency band by a user equipment (UE), wherein the means for communicating
• obtains received symbols for a control channel sent by the first base station across the first frequency band,
• estimates interference observed by the received symbols, and
• decodes the received symbols by taking into account the estimated interference to recover information sent in the control channel.

An apparatus for wireless communication, comprising:

• means for receiving broadcast information indicative of a first frequency band for a first base station, the first frequency band overlapping at least partially with a second frequency band for a second base station and further extending beyond the second frequency band;
• and
• means for communicating with the first base station on the first frequency band by a user equipment (UE), wherein the means for communicating
• sends a control channel to the first base station in a control region of the first frequency band, the control region being non-overlapping with the second frequency band, and
• sends a data channel to the first base station in a data region of the first frequency band, the data region being assignable for data transmission on uplink and non-overlapping with the second frequency band and the control region.

A method for wireless communication, comprising:

• determining a first frequency band for a first base station, the first frequency band overlapping at least partially with a second frequency band for a second base station, the second frequency band extending beyond the first frequency band;
• broadcasting information indicative of the first frequency band for the first base station;
• communicating with at least one user equipment (UE) on the first frequency band by the first base station;
• obtaining interference estimates for different parts of the second frequency band;
• and
• selecting the first frequency band based on the interference estimates.

An apparatus for wireless communication, comprising:

• means for determining a first frequency band for a first base station, the first frequency band overlapping at least partially with a second frequency band for a second base station and further extending beyond the second frequency band;
• means for broadcasting information indicative of the first frequency band for the first base station;
• means for communicating with at least one user equipment (UE) on the first frequency band by the first base station;
• and
• means for sending at least one synchronization signal in a center portion of the first frequency band for use by UEs to detect the first base station, wherein the second frequency band is non-overlapping with the center portion of the first frequency band, and a third frequency band for a third base station is non-overlapping with the second frequency band and is further non-overlapping with the center portion of the first frequency band.

An apparatus for wireless communication, comprising at least one processor configured to:

• determine a first frequency band for a first base station, the first frequency band overlapping at least partially with a second frequency band for a second base station and further extending beyond the second frequency band;
• broadcast information indicative of the first frequency band for the first base station;
• communicating with at least one user equipment (UE) on the first frequency band by the first base station;
• and
• sending at least one synchronization signal in a center portion of the first frequency band for use by UEs to detect the first base station, wherein the second frequency band is non-overlapping with the center portion of the first frequency band, and a third frequency band for a third base station is non-overlapping with the second frequency band and is further non-overlapping with the center portion of the first frequency band.

A computer program stored on a non-transitory computer readable meadium containing code for:

• at least one processor configured to
• determining a first frequency band for a first base station, the first frequency band overlapping at least partially with a second frequency band for a second base station and further extending beyond the second frequency band;
• broadcasting information indicative of the first frequency band for the first base station;
• communicating with at least one user equipment (UE) on the first frequency band by the first base station;
• and
• sending at least one synchronization signal in a center portion of the first frequency band for use by UEs to detect the first base station, wherein the second frequency band is non-overlapping with the center portion of the first frequency band, and a third frequency band for a third base station is non-overlapping with the second frequency band and is further non-overlapping with the center portion of the first frequency band.

An apparatus for wireless communication, comprising:

• means for determining a first frequency band for a first base station, the first frequency band overlapping at least partially with a second frequency band for a second base station and further extending beyond the second frequency band;
• means for broadcasting information indicative of the first frequency band for the first base station;
• and
• means for communicating with at least one user equipment (UE) on the first frequency band by the first base station, the communicating comprising accounting for high interference from the second base station in a portion of the first frequency band overlapping the second frequency band by sending a control channel with a lower modulation and coding scheme.

An apparatus for wireless communication, comprising at least one processor configured to:

• determine a first frequency band for a first base station, the first frequency band overlapping at least partially with a second frequency band for a second base station and further extending beyond the second frequency band;
• broadcast information indicative of the first frequency band for the first base station;
• and
• communicate with at least one user equipment (UE) on the first frequency band by the first base station, the communicating comprising accounting for high interference from the second base station in a portion of the first frequency band overlapping the second frequency band by sending a control channel with a lower modulation and coding scheme.

A computer program stored on a non-transitory computer readable meadium containing code for:

• determining a first frequency band for a first base station, the first frequency band overlapping at least partially with a second frequency band for a second base station and further extending beyond the second frequency band;
• broadcasting information indicative of the first frequency band for the first base station;
• and
• communicating with at least one user equipment (UE) on the first frequency band by the first base station, the communicating comprising accounting for high interference from the second base station in a portion of the first frequency band overlapping the second frequency band by sending a control channel with a lower modulation and coding scheme.

An apparatus for wireless communication, comprising:

• means for determining a first frequency band for a first base station, the first frequency band overlapping at least partially with a second frequency band for a second base station and further extending beyond the second frequency band;
• means for broadcasting information indicative of the first frequency band for the first base station;
• and
• means for communicating with at least one user equipment (UE) on the first frequency band by the first base station, wherein the means for the communicating
• sends one or more of a primary synchronization signal (PSS), a secondary synchronization signal (SSS), or a Physical Broadcast Channel (PBCH) in a center portion of the first frequency band non-overlapping with the second frequency band,
• sends one or more of a Physical Control Format Indicator Channel (PCFICH) or a Physical HARQ Indicator Channel (PHICH) across the first frequency band, and
• sends one or more of a Physical Downlink Control Channel (PDCCH) or a Physical Downlink Shared Channel (PDSCH) in the first frequency band.

An apparatus for wireless communication, comprising at least one processor configured to:

• determine a first frequency band for a first base station, the first frequency band overlapping at least partially with a second frequency band for a second base station and further extending beyond the second frequency band;
• broadcast information indicative of the first frequency band for the first base station;
• and
• communicate with at least one user equipment (UE) on the first frequency band by the first base station, the communicating comprising,
• sending one or more of a primary synchronization signal (PSS), a secondary synchronization signal (SSS), or a Physical Broadcast Channel (PBCH) in a center portion of the first frequency band non-overlapping with the second frequency band,
• sending one or more of a Physical Control Format Indicator Channel (PCFICH) or a Physical HARQ Indicator Channel (PHICH) across the first frequency band, and
• sending one or more of a Physical Downlink Control Channel (PDCCH) or a Physical Downlink Shared Channel (PDSCH) in the first frequency band.

A computer program stored on a non-transitory computer readable meadium containing code for:

• determining a first frequency band for a first base station, the first frequency band overlapping at least partially with a second frequency band for a second base station and further extending beyond the second frequency band;
• broadcasting information indicative of the first frequency band for the first base station;
• and
• communicating with at least one user equipment (UE) on the first frequency band by the first base station, the communicating comprising,
• sending one or more of a primary synchronization signal (PSS), a secondary synchronization signal (SSS), or a Physical Broadcast Channel (PBCH) in a center portion of the first frequency band non-overlapping with the second frequency band,
• sending one or more of a Physical Control Format Indicator Channel (PCFICH) or a Physical HARQ Indicator Channel (PHICH) across the first frequency band, and
• sending one or more of a Physical Downlink Control Channel (PDCCH) or a Physical Downlink Shared Channel (PDSCH) in the first frequency band.

An apparatus for wireless communication, comprising:

• means for determining a first frequency band for a first base station, the first frequency band overlapping at least partially with a second frequency band for a second base station and further extending beyond the second frequency band;
• means for broadcasting information indicative of the first frequency band for the first base station;
• and
• means for communicating with at least one user equipment (UE) on the first frequency band by the first base station, wherein the means the communicating,
• receives a Physical Uplink Control Channel (PUCCH) sent by the at least one UE in a control region of the first frequency band, the control region being non-overlapping with the second frequency band, and
• receives a Physical Uplink Shared Channel (PUSCH) sent by the at least one UE in a data region of the first frequency band, the data region being assignable for data transmission on uplink and non-overlapping with the second frequency band and the control region.

An apparatus for wireless communication, comprising at least one processor configured to:

• determine a first frequency band for a first base station, the first frequency band overlapping at least partially with a second frequency band for a second base station and further extending beyond the second frequency band;
• broadcast information indicative of the first frequency band for the first base station;
• and
• communicate with at least one user equipment (UE) on the first frequency band by the first base station, the communicating comprising,
• receiving a Physical Uplink Control Channel (PUCCH) sent by the at least one UE in a control region of the first frequency band, the control region being non-overlapping with the second frequency band, and
• receiving a Physical Uplink Shared Channel (PUSCH) sent by the at least one UE in a data region of the first frequency band, the data region being assignable for data transmission on uplink and non-overlapping with the second frequency band and the control region.

A computer program stored on a non-transitory computer readable meadium containing code for:

• determining a first frequency band for a first base station, the first frequency band overlapping at least partially with a second frequency band for a second base station and further extending beyond the second frequency band;
• broadcasting information indicative of the first frequency band for the first base station;
• and
• communicating with at least one user equipment (UE) on the first frequency band by the first base station, the communicating comprising,
• receiving a Physical Uplink Control Channel (PUCCH) sent by the at least one UE in a control region of the first frequency band, the control region being non-overlapping with the second frequency band, and
• receiving a Physical Uplink Shared Channel (PUSCH) sent by the at least one UE in a data region of the first frequency band, the data region being assignable for data transmission on uplink and non-overlapping with the second frequency band and the control region.

A method for wireless communication, comprising:

• determining a first frequency band for a first base station, the first frequency band overlapping at least partially with a second frequency band for a second base station and further extending beyond the second frequency band;
• broadcasting information indicative of the first frequency band for the first base station;
• and
• communicating with at least one user equipment (UE) on the first frequency band by the first base station, the communicating comprising,
• receives a control channel sent by the at least one UE in a control region of the first frequency band, the control region being non-overlapping with the second frequency band, and
• receives a data channel sent by the at least one UE in a data region of the first frequency band, the data region being assignable for data transmission on uplink and non-overlapping with the second frequency band and the control region.

An apparatus for wireless communication, comprising at least one processor configured to:

• receive broadcast information indicative of a first frequency band for a first base station, the first frequency band overlapping at least partially with a second frequency band for a second base station and further extending beyond the second frequency band;
• and
• communicate with the first base station on the first frequency band by a user equipment (UE), the communicating with the first base station comprising,
• obtaining received symbols for a control channel sent by the first base station across the first frequency band,
• estimating interference observed by the received symbols, and
• decoding the received symbols by taking into account the estimated interference to recover information sent in the control channel.

A computer program stored on a non-transitory computer readable meadium containing code for:

• receiving broadcast information indicative of a first frequency band for a first base station, the first frequency band overlapping at least partially with a second frequency band for a second base station and further extending beyond the second frequency band;
• and
• communicating with the first base station on the first frequency band by a user equipment (UE), the communicating with the first base station comprising,
• obtaining received symbols for a control channel sent by the first base station across the first frequency band,
• estimating interference observed by the received symbols, and
• decoding the received symbols by taking into account the estimated interference to recover information sent in the control channel.

An apparatus for wireless communication, comprising:

• means for receiving broadcast information indicative of a first frequency band for a first base station, the first frequency band overlapping at least partially with a second frequency band for a second base station and further extending beyond the second frequency band;
• and
• means for communicating with the first base station on the first frequency band by a user equipment (UE), wherein the means for communicating with the first base station,
• determines whether a control channel from the first base station can be reliably decoded by the UE,
• decodes the control channel, if the control channel can be reliably decoded, and
• uses a default value for the control channel, if the control channel cannot be reliably decoded.

An apparatus for wireless communication, comprising at least one processor configured to:

• receive broadcast information indicative of a first frequency band for a first base station, the first frequency band overlapping at least partially with a second frequency band for a second base station and further extending beyond the second frequency band;
• and
• communicate with the first base station on the first frequency band by a user equipment (UE), the communicating with the first base station comprising,
• determining whether a control channel from the first base station can be reliably decoded by the UE,
• decoding the control channel, if the control channel can be reliably decoded, and
• using a default value for the control channel, if the control channel cannot be reliably decoded.

A computer program stored on a non-transitory computer readable meadium containing code for:

• receiving broadcast information indicative of a first frequency band for a first base station, the first frequency band overlapping at least partially with a second frequency band for a second base station and further extending beyond the second frequency band;
• and
• communicating with the first base station on the first frequency band by a user equipment (UE), the communicating with the first base station comprising,
• determining whether a control channel from the first base station can be reliably decoded by the UE,
• decoding the control channel, if the control channel can be reliably decoded, and
• using a default value for the control channel, if the control channel cannot be reliably decoded.

An apparatus for wireless communication, comprising:

• means for receiving broadcast information indicative of a first frequency band for a first base station, the first frequency band overlapping at least partially with a second frequency band for a second base station and further extending beyond the second frequency band;
• and
• means for communicating with the first base station on the first frequency band by a user equipment (UE), wherin the means for the communicating
• receives one or more of a primary synchronization signal (PSS), a secondary synchronization signal (SSS), a Physical Broadcast Channel (PBCH) sent by the first base station in a center portion of the first frequency band, the center portion being non-overlapping with the second frequency band,
• receives one or more of a Physical Control Format Indicator Channel (PCFICH) or a Physical HARQ Indicator Channel (PHICH) sent by the first base station across the first frequency band, and
• receives one or more of a Physical Downlink Control Channel (PDCCH) or a Physical Downlink Shared Channel (PDSCH) sent by the first base station in the first frequency band.

An apparatus for wireless communication, comprising at least one processor configured to:

• receives broadcast information indicative of a first frequency band for a first base station, the first frequency band overlapping at least partially with a second frequency band for a second base station and further extending beyond the second frequency band;
• and
• communicates with the first base station on the first frequency band by a user equipment (UE), the communicating with the first base station comprising,
• receiving one or more of a primary synchronization signal (PSS), a secondary synchronization signal (SSS), or a Physical Broadcast Channel (PBCH) sent by the first base station in a center portion of the first frequency band, the center portion being non-overlapping with the second frequency band,
• receiving one or more of a Physical Control Format Indicator Channel (PCFICH) or a Physical HARQ Indicator Channel (PHICH), or both sent by the first base station across the first frequency band, and
• receiving one or more of a Physical Downlink Control Channel (PDCCH) or a Physical Downlink Shared Channel (PDSCH) sent by the first base station in the first frequency band.

A computer program stored on a non-transitory computer readable meadium containing code for:

• receiving broadcast information indicative of a first frequency band for a first base station, the first frequency band overlapping at least partially with a second frequency band for a second base station and further extending beyond the second frequency band;
• and
• communicating with the first base station on the first frequency band by a user equipment (UE), the communicating with the first base station comprising,
• receiving one or more of a primary synchronization signal (PSS), a secondary synchronization signal (SSS), or a Physical Broadcast Channel (PBCH) sent by the first base station in a center portion of the first frequency band, the center portion being non-overlapping with the second frequency band,
• receiving one or more of a Physical Control Format Indicator Channel (PCFICH) or a Physical HARQ Indicator Channel (PHICH) sent by the first base station across the first frequency band, and
• receiving a one or more of Physical Downlink Control Channel (PDCCH) or a Physical Downlink Shared Channel (PDSCH) sent by the first base station in the first frequency band.

An apparatus for wireless communication, comprising:

• means for receiving broadcast information indicative of a first frequency band for a first base station, the first frequency band overlapping at least partially with a second frequency band for a second base station and further extending beyond the second frequency band;
• and
• means for communicating with the first base station on the first frequency band by a user equipment (UE), wherein the means for communicating with the first base station,
• sends a Physical Uplink Control Channel (PUCCH) to the first base station in a control region of the first frequency band, the control region being non-overlapping with the second frequency band, and
• sends a Physical Uplink Shared Channel (PUSCH) to the first base station in a data region of the first frequency band, the data region being assignable for data transmission on uplink and non-overlapping with the second frequency band and the control region.

An apparatus for wireless communication, comprising at least one processor configured to:

• receive broadcast information indicative of a first frequency band for a first base station, the first frequency band overlapping at least partially with a second frequency band for a second base station and further extending beyond the second frequency band;
• and
• communicate with the first base station on the first frequency band by a user equipment (UE), the communicating with the first base station comprising,
• sending a Physical Uplink Control Channel (PUCCH) to the first base station in a control region of the first frequency band, the control region being non-overlapping with the second frequency band, and
• sending a Physical Uplink Shared Channel (PUSCH) to the first base station in a data region of the first frequency band, the data region being assignable for data transmission on uplink and non-overlapping with the second frequency band and the control region.

A computer program stored on a non-transitory computer readable meadium containing code for:

• receiving broadcast information indicative of a first frequency band for a first base station, the first frequency band overlapping at least partially with a second frequency band for a second base station and further extending beyond the second frequency band;
• and
• communicating with the first base station on the first frequency band by a user equipment (UE), the communicating with the first base station comprising,
• sending a Physical Uplink Control Channel (PUCCH) to the first base station in a control region of the first frequency band, the control region being non-overlapping with the second frequency band, and
• sending a Physical Uplink Shared Channel (PUSCH) to the first base station in a data region of the first frequency band, the data region being assignable for data transmission on uplink and non-overlapping with the second frequency band and the control region.