1460761440-bb7e6333-6dce-45ea-99eb-9186abe58a63

1. A receiver adapted to receive at least a first signal and a second signal, the first signal corresponding to a constellation having a first set of symbols and the second signal corresponding to a constellation having a second set of symbols, and having an equalizer with an output, the equalizer comprising:
a slicer adapted to slice a signal from the output of the equalizer; and
a memory adapted to store symbol coordinates corresponding to the symbols in the first and second sets of symbols, the memory further adapted to provide a symbol coordinate for use by the equalizer, the symbol coordinate selected from the stored symbol coordinates in response to the sliced signal and a select signal, the select signal for selecting one of the first and second sets of symbols.
2. The receiver of claim 1, the receiver further comprising:
a detector, coupled to the output of the equalizer, adapted to 1) detect whether the receiver is receiving the second signal and 2) assert the select signal in response thereto.
3. The receiver of claim 2, wherein the detector comprises:
a slicer coupled to the output of the equalizer and adapted to generate a bit stream output; and
a pattern matcher adapted to assert the select signal when the bit stream at least partially matches a known bit pattern;
wherein the second signal contains a bit pattern the same as the known bit pattern.
4. The receiver of claim 3, wherein the detector further comprises a descrambler, coupled to the slicer, adapted to descramble the bit pattern.
5. The receiver of claim 3, wherein the pattern matcher is adapted to assert the select signal after determining that at least a specified number of the known bit pattern bits are matched in the bit stream, the specified number of bits being less than all of the bits of the known bit pattern.
6. The receiver of claim 1, wherein the memory has therein a first table of symbol coordinates corresponding to the symbols in the first set of symbols and a second table of symbol coordinates corresponding to the symbols in the second sets of symbols; and wherein the symbol coordinates are selected from the first or the second table of symbol coordinates, the first or second table is selected in response to the select signal, and the symbol coordinate is selected from the selected table in response to the sliced signal.
7. The receiver of claim 1, wherein the second signal contains data related to the symbol coordinates of the symbols of the second set of symbols, the receiver further comprising:
a circuit, coupled to the output of the equalizer, adapted to extract the data from the second signal; and
a circuit, responsive to the extracted data, adapted to calculate the symbol coordinates for the symbols in the second set of symbols and load the calculated symbol coordinates into the memory.
8. The receiver of claim 7, wherein the symbol coordinates corresponding to the symbols in the first set of symbols are known a priori and stored in the memory, and wherein approximate symbol coordinates corresponding to the symbols in the second set of symbols are stored in the memory before the calculated symbol coordinates are loaded therein.
9. The receiver of claim 1, wherein the second set of symbols has more symbols than the first set of symbols, and the slicer has at least as many quantization levels as there are symbols in the second set of symbols.
10. The receiver of claim 1, wherein the equalizer is a decision-feedback equalizer.
11. A method of receiving at least a first signal and a second signal, the first signal corresponding to a constellation having a first set of symbols and the second signal corresponding to a constellation having a second set of symbols, comprising the step of equalizing the received signal with an equalizer to produce an equalized received signal;
wherein the step of equalizing comprises the steps of:
slicing the equalized received signal with a slicer; and,
in response to the sliced signal and a select signal, selecting from a memory a symbol coordinate for use by the equalizer, the memory having therein symbol coordinates corresponding to the symbols in the first and second sets of symbols, the select signal for selecting one of the first and second sets of symbols in the memory.
12. The method of claim 11, further comprising the steps of:
detecting whether the second signal is being received; and
asserting the select signal in response to the step of detecting whether the second signal is being received.
13. The method of claim 11, further comprising the steps of:
slicing the equalized received signal to generate a bit stream;
comparing the bit stream with a known bit pattern; and
asserting the select signal when there is at least a partial match between the bit stream and the known bit pattern;
wherein the second signal contains a bit pattern the same as the known bit pattern.
14. The method of claim 13, further comprising the step, after the step of slicing the equalized receive signal, of descrambling the bit stream.
15. The method of claim 11, wherein the memory has therein a first table of symbol coordinates corresponding to the symbols in the first set of symbols and a second table of symbol coordinates corresponding to the symbols in the second sets of symbols; wherein the step of selecting from the memory the symbol coordinate comprises the steps of:
selecting the first or second table in response to the select signal; and
selecting the symbol coordinate from the selected table in response to the sliced signal.
16. The method of claim 11, wherein the second signal contains data related to the symbol coordinates of the symbols in the second set of symbols, further comprising the steps of:
extracting the data from the second signal;
calculating, from the extracted data, the symbol coordinates for the symbols in the second set of symbols; and
loading the calculated symbol coordinates into the memory.
17. The method of claim 16, wherein the symbol coordinates of the symbols in the first set of symbols are known a priori and stored in the memory, and wherein approximate symbol coordinates of the symbols in the second set of symbols are stored in the memory before the calculated symbol coordinates are loaded therein.
18. The method of claim 11, wherein the second set of symbols has more symbols than the first set of symbols, and the slicer has at least as many quantization levels as there are symbols in the second set of symbols.
19. A receiver adapted to receive at least a first signal and a second signal, the first signal corresponding to a constellation having a first set of symbols and the second signal corresponding to a constellation having a second set of symbols, the second set of symbols having more symbols than the first set of symbols, the receiver comprising:
an equalizer having an output; and
a detector, coupled to the output of the equalizer, adapted to 1) detect whether the receiver is receiving the second signal and 2) assert the select signal in response thereto;
wherein the equalizer comprises:
a slicer, having at least as many quantization levels as there are symbols in the second set of symbols, adapted to slice a signal from the output of the equalizer; and
a memory adapted to store therein a first table of symbol coordinates corresponding to the symbols in the first set of symbols and a second table of symbol coordinates corresponding to the symbols in the second set of symbols, and further adapted to provide a symbol coordinate selected from the first table or the second table for use by the equalizer, the first or second table being selected in response to the select signal, and the symbol coordinate being selected from the selected table in response to the sliced signal.
20. The receiver of claim 19, wherein the detector comprises:
a slicer coupled to the output of the equalizer and adapted to generate a bit stream output; and
a pattern matcher adapted to assert the select signal when the bit stream at least partially matches a known bit pattern;
wherein the second signal contains a bit pattern the same as the known bit pattern.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

1. A method for mobility management between large and small cells, comprising: in a user equipment:
receiving different first and second procedures for measurement gaps to be applied based on radio access coverage at the user equipment within a predetermined time duration;
applying at least one procedure for inter-frequency measurements of at least one carrier, wherein the first procedure is applied using a first set of measurement gaps when a carrier having at least one cell deployed for providing non-continuous coverage radio access is to be measured and the second procedure is applied using a second set of measurement gaps when a carrier having at least one cell deployed for providing continuous coverage radio access is to be measured, wherein the inter-frequency measurements are performed less frequently in the first procedure than in the second procedure; and
performing the inter-frequency measurements according to the first procedure after receiving an indication from a network to perform the inter-frequency measurement according to the first procedure.
2. The method of claim 1, further comprising:
obtaining information on whether the non-continuous coverage radio access is available in the current location or not; and
selecting the procedure of the inter-frequency measurement based on whether the non-continuous coverage radio access is available or not.
3. The method of claim 2, further comprising:
receiving at least one of following:
a neighbor list containing information on the cells deployed for providing non-continuous coverage radio access in the current location, and
information on physical cell identifications assigned to the cells deployed for providing non-continuous coverage radio access.
4. The method of claim 1, further comprising:
setting the procedure for the inter-frequency measurements on when the currently serving cell is overloaded or the signal quality andor the signal power of the current serving cell decreases to a predetermined threshold level, wherein a higher predetermined threshold level is applied for the first procedure than for the second.
5. The method of claim 1, further comprising:
having the first procedure on continuously.
6. The method of claim 1, wherein, when discontinuous reception is off and the first procedure is on, a cycle which comprises the following is repetitively carried out:
performing predetermined number of time-separated inter-frequency measurements by applying gap-assisted inter-frequency measurements; and
restraining from performing inter-frequency measurements for a predetermined time duration exceeding the time-separation after the predetermined number of inter-frequency measurements have been done.
7. The method of claim 1, further comprising, when discontinuous reception is on and the first procedure is on:
restraining from performing inter-frequency measurements in every predetermined discontinuous reception cycle.
8. The method of any of claim 1, further comprising:
providing a measurement report indicating that the inter-frequency measurement corresponding to the measurement report has been performed for a carrier of a cell deployed for providing non-continuous coverage radio access.
9. The method of any of claim 1, further comprising:
causing a transmission of a proximity indication or a request for a measurement gap configuration to measure the cell deployed for providing non-continuous coverage more accurately than an immediately previous measurement of the cell.
10. A computer program product embodied on a distribution medium readable by a computer and comprising program instructions which, when loaded into a user equipment, execute the method according to claim 1.
11. A method for mobility management between large and small cells, comprising: in a base station that provides continuous coverage radio access:
providing first and second procedures for measurement gaps to be applied based on radio access coverage at a user equipment within a predetermined time duration such that measurement gaps of the first procedure are less frequent than measurement gaps of the second procedure;
sending an indication to a user equipment to trigger the user equipment to perform inter-frequency measurements according to the first procedure utilizing a first set of measurement gaps;

and at least one of the following:
a neighbor list containing information on the cells deployed for providing non-continuous coverage radio access in the current location of the user equipment,
information on physical cell identifications assigned to the cells deployed for providing non-continuous coverage radio access,
information about a carrier having at least one cell deployed for providing non-continuous coverage radio access, wherein the carrier is to be measured using the first set of measurement gaps when performing inter-frequency measurements, and
information about at least one carrier for which an inter-frequency measurement procedure should be applied which inter-frequency measurement procedure is different from the inter-frequency measurement procedure applied for other carriers.
12. The method of claim 11, further comprising:
providing information of threshold levels for triggering the inter-frequency measurement procedure, wherein the threshold levels are separate for the first procedure and for the second procedure, wherein the first procedure is applied when a carrier having at least one cell deployed for providing non-continuous coverage radio access is to be measured and a second procedure is applied when a carrier having at least one cell deployed for providing continuous coverage radio access is to be measured.
13. A computer program product embodied on a distribution medium readable by a computer and comprising program instructions which, when loaded into a base station, execute the method according to claim 11.
14. A user equipment for mobility management between large and small cells, comprising:
at least one processor and at least one memory including a computer program code, wherein the at least one memory and the computer pro-gram code are configured to, with the at least one processor, cause the user equipment at least to:
receive different first and second procedures for measurement gaps to be applied based on radio access coverage at the user equipment within a predetermined time duration;
apply at least one procedure for inter-frequency measurements of at least one carrier, wherein the first procedure is applied using a first set of measurement gaps when a carrier having at least one cell deployed for providing non-continuous coverage radio access is to be measured and the second procedure is applied using a second set of measurement gaps when a carrier having at least one cell deployed for providing continuous coverage radio access is to be measured, wherein the inter-frequency measurements are performed less frequently in the first procedure than in the second procedure; and
perform the inter-frequency measurements according to the first procedure after receiving an indication from a network to perform the inter frequency measurements according to the first procedure.
15. The user equipment of claim 14, wherein the user equipment is further caused to:
obtain information on whether the non-continuous coverage radio access is available in the current location or not; and
select the procedure of the inter-frequency measurement based on whether the non-continuous coverage radio access is available or not.
16. The user equipment of claim 15, wherein the user equipment is further caused to:
receive at least one of following:
a neighbor list containing information on the cells deployed for providing non-continuous coverage radio access in the current location, and
information on physical cell identifications assigned to the cells deployed for providing non-continuous coverage radio access.
17. The user equipment of claim 14, wherein the user equipment is further caused to:
set the procedure for the inter-frequency measurements on when the currently serving cell is overloaded or the signal quality andor the signal power of the current serving cell decreases to a predetermined threshold level, wherein a higher predetermined threshold level is applied for the first procedure than for the second.
18. The user equipment of claim 14, wherein the user equipment is further caused to:
have the first procedure on continuously.
19. The user equipment of claim 14, wherein, when discontinuous reception is off and the first procedure is on, the user equipment is further caused to repetitively carry out the following:
perform predetermined number of time-separated inter-frequency measurements by applying gap-assisted inter-frequency measurements; and
restrain from performing inter-frequency measurements for a predetermined time duration exceeding the time-separation after the predetermined number of inter-frequency measurements have been done.
20. The user equipment of claim 14, wherein the user equipment is further caused to, when discontinuous reception is on and the first procedure is on:
restrain from performing inter-frequency measurements in every predetermined discontinuous reception cycle.
21. The user equipment of claim 14, wherein the user equipment is further caused to:
provide a measurement report indicating that the inter-frequency measurement corresponding to the measurement report has been performed for a carrier of a cell deployed for providing non-continuous coverage radio access.
22. The user equipment of claim 14, wherein the user equipment is further caused to:
transmit a proximity indication or a request for a measurement gap configuration to measure the cell deployed for providing non-continuous coverage more accurately than an immediately previous measurement of the cell.
23. A base station for mobility management between large and small cells, comprising:
at least one processor and at least one memory including a computer program code, wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the base station at least to:
provide first and second procedures for measurement gaps to be applied based on radio access coverage at a user equipment within a predetermined time duration such that measurement gaps of the first procedure are less frequent than the measurement gaps of the second procedure;
send an indication to a user equipment to trigger the user equipment to perform inter-frequency measurements according to the first procedure utilizing a first set of measurement gaps;