1. An apparatus providing an acoustic seal for a transducer, comprising:
a cup-style housing;
a sub-assembly, including:
a chassis having an aperture formed therein;
a compliant member coupled within the aperture for retaining the transducer; and
a substantially rigid member coupled to the transducer, the substantially rigid member providing a seal between the chassis and the housing; another transducer and a flexible circuit board, wherein the flexible circuit board mechanically couples the transducer and the other transducer, and wherein the other transducer forms an independent acoustic seal with the housing by using another compliant member and another substantially rigid member, wherein the transducer and the other transducer are assembled on different planes; first and second grills formed in the cup-style housing; and wherein the sub-assembly’s transducer and the other transducer comprises a speaker and a microphone, the sub-assembly being slideably insertable into the cup style housing such that the speaker and microphone align with the first and second audio grills.
2. The apparatus of claim 1, wherein the substantially rigid member is formed having a chamfered surface.
3. The apparatus of claim 1, further comprising adhesive disposed on the substantially rigid member.
4. The apparatus of claim 1, wherein the sub-assembly is slideably insertable into the cup style housing through a first assembly axis, the substantially rigid member forming a seal between the housing and chassis through a second assembly axis.
5. The acoustical assembly of claim 4, wherein the first assembly axis and the second assembly axis are substantially perpendicular to each other.
6. The apparatus of claim 5, wherein the sub-assembly slideably inserts into the cup-style housing such that the chassis, the substantially rigid member, and the compliant member compressibly align and form a seal about the transducer.
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. An apparatus comprising:
circuitry configured to
obtain information about a set of cells potentially taking part in coordinated mulitpoint transmission;
obtain information about a reference signal configuration for each cell of the set of cells;
generate and transmit feedback including channel state information and a recommendation of one or more transmitting points selected from among the set of cells;
obtain an indication of which reference signal configuration should be assumed in resource mapping for data in response to the feedback, wherein the indication is configured to selectively indicate at least a first state indicating serving cell-only transmission, a second state indicating that the recommendation of the one or more transmitting points selected from among the set of cells is followed, and a third state indicating a configuration different from the first state and the second state; and
receive data according to the resource mapping.
2. The apparatus according to claim 1, wherein the reference signal configuration further comprises at least one of a number of reference signal ports and a frequency shift.
3. The apparatus according to claim 1, wherein
the indication of which reference signal configuration should be assumed in resource mapping for data indicates the second state.
4. The apparatus according to claim 1, wherein the indication of which reference signal configuration should be assumed in resource mapping for data indicates the first state.
5. The apparatus according to claim 1, wherein the circuitry is to:
receive the data according to the resource mapping by performing rate matching around reference signals indicated by the indication of which reference signal configuration should be assumed in resource mapping for data.
6. The apparatus according to claim 1, wherein the reference signal configurations are different for at least two cells of the set of cells.
7. The apparatus according to claim 1, wherein the apparatus is a user equipment.
8. An apparatus comprising:
circuitry configured to
provide information about signal configuration for each cell of a set of cells potentially taking part in coordinated multipoint transmission,
receive feedback including channel state information and a recommendation of one or more transmitting points selected from among the set of cells; and
provide an indication of which reference signal configuration should be assumed in resource mapping for data based on the feedback, wherein the indication is configured to selectively indicate at least a first state indicating serving cell-only transmission, a second state indicating that the recommendation of the one or more transmitting points selected from among the set of cells is followed, and a third state indicating a configuration different from the first state and the second state.
9. The apparatus according to claim 8, wherein the reference signal configuration further comprises at least one of a number of reference signal ports and a frequency shift.
10. The apparatus according to claim 8, wherein
the indication of which reference signal configuration should be assumed in resource mapping for data indicates the second state.
11. The apparatus according to claim 8, wherein the
indication of which reference signal configuration should be assumed in resource mapping for the data indicates the first state.
12. The apparatus according to claim 8, wherein the reference signal configurations are different for at least two cells of the set of cells.
13. The apparatus according to claim 8, wherein the apparatus is an enhanced NodeB (eNB).
14. A method comprising:
obtaining information about a set of cells potentially taking part in coordinated multipoint transmission;
obtaining information about a reference signal configuration for each cell of the set of cells;
generating and transmitting feedback including channel state information and a recommendation of one or more transmitting points selected from among the set of cells;
obtaining an indication of which reference signal configuration should be assumed in resource mapping for data in response to the feedback, wherein the indication is configured to selectively indicate at least a first state indicating serving cell-only transmission, a second state indicating that the recommendation of the one or more transmitting points selected from among the set of cells is followed, and a third state indicating a configuration different from the first state and the second state; and
receiving data according to the resource mapping.
15. The method according to claim 14, wherein the reference signal configuration further comprises at least one of a number of reference signal ports and a frequency shift.
16. The method according to claim 14, wherein the indication of which reference signal configuration should be assumed in resource mapping for data indicates the second state.
17. The method according to claim 14, wherein the indication of which reference signal configuration should be assumed in resource mapping for data indicates the first state.
18. The method according to claim 14, wherein the receiving data according to the resource mapping comprises rate matching around reference signals indicated by the indication of which reference signal configuration should be assumed in resource mapping for data.
19. The method according to, claim 14, wherein the reference signal configurations are different for at least two cells of the set of cells.
20. The method according to claim 14, wherein the method is performed by a user equipment.